Merge pull request #178 from crunchy-labs/feature/refactoring

Refactoring & library update

Cargo.toml

@@ -5,18 +5,16 @@ version = "3.0.0-dev.8"
 edition = "2021"
 
 [dependencies]
-tokio = { version = "1.24", features = ["macros", "rt-multi-thread", "time"], default-features = false }
+tokio = { version = "1.26", features = ["macros", "rt-multi-thread", "time"], default-features = false }
 
 crunchy-cli-core = { path = "./crunchy-cli-core" }
 
 [build-dependencies]
 chrono = "0.4"
-clap = { version = "4.0", features = ["string"] }
-clap_complete = "4.0"
+clap = { version = "4.1", features = ["string"] }
+clap_complete = "4.1"
 clap_mangen = "0.2"
 
-# The static-* features must be used here since build dependency features cannot be manipulated from the features
-# specified in this Cargo.toml [features].
 crunchy-cli-core = { path = "./crunchy-cli-core" }
 
 [profile.release]

crunchy-cli-core/Cargo.toml

@@ -7,12 +7,12 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0"
 async-trait = "0.1"
-clap = { version = "4.0", features = ["derive", "string"] }
+clap = { version = "4.1", features = ["derive", "string"] }
 chrono = "0.4"
-crunchyroll-rs = "0.2"
-csv = "1.1"
+crunchyroll-rs = { version = "0.3", features = ["dash-stream"] }
 ctrlc = "3.2"
-dirs = "4.0"
+dirs = "5.0"
+derive_setters = "0.1"
 indicatif = "0.17"
 lazy_static = "1.4"
 log = { version = "0.4", features = ["std"] }
@@ -23,9 +23,9 @@ serde = "1.0"
 serde_json = "1.0"
 shlex = "1.1"
 signal-hook = "0.3"
-tempfile = "3.3"
+tempfile = "3.4"
 terminal_size = "0.2"
-tokio = { version = "1.24", features = ["macros", "rt-multi-thread", "time"] }
+tokio = { version = "1.26", features = ["macros", "rt-multi-thread", "time"] }
 sys-locale = "0.2"
 
 [build-dependencies]

crunchy-cli-core/src/archive/command.rs

@@ -0,0 +1,185 @@
+use crate::archive::filter::ArchiveFilter;
+use crate::utils::context::Context;
+use crate::utils::download::MergeBehavior;
+use crate::utils::ffmpeg::FFmpegPreset;
+use crate::utils::filter::Filter;
+use crate::utils::format::formats_visual_output;
+use crate::utils::locale::all_locale_in_locales;
+use crate::utils::log::progress;
+use crate::utils::os::{free_file, has_ffmpeg, is_special_file};
+use crate::utils::parse::parse_url;
+use crate::Execute;
+use anyhow::bail;
+use anyhow::Result;
+use crunchyroll_rs::media::Resolution;
+use crunchyroll_rs::Locale;
+use log::debug;
+use std::path::PathBuf;
+
+#[derive(Clone, Debug, clap::Parser)]
+#[clap(about = "Archive a video")]
+#[command(arg_required_else_help(true))]
+#[command()]
+pub struct Archive {
+    #[arg(help = format!("Audio languages. Can be used multiple times. \
+    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
+    #[arg(long_help = format!("Audio languages. Can be used multiple times. \
+    Available languages are:\n{}", Locale::all().into_iter().map(|l| format!("{:<6} → {}", l.to_string(), l.to_human_readable())).collect::<Vec<String>>().join("\n  ")))]
+    #[arg(short, long, default_values_t = vec![Locale::ja_JP, crate::utils::locale::system_locale()])]
+    pub(crate) locale: Vec<Locale>,
+    #[arg(help = format!("Subtitle languages. Can be used multiple times. \
+    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
+    #[arg(long_help = format!("Subtitle languages. Can be used multiple times. \
+    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
+    #[arg(short, long, default_values_t = Locale::all())]
+    pub(crate) subtitle: Vec<Locale>,
+
+    #[arg(help = "Name of the output file")]
+    #[arg(long_help = "Name of the output file.\
+    If you use one of the following pattern they will get replaced:\n  \
+      {title}                   → Title of the video\n  \
+      {series_name}             → Name of the series\n  \
+      {season_name}             → Name of the season\n  \
+      {audio}                   → Audio language of the video\n  \
+      {resolution}              → Resolution of the video\n  \
+      {season_number}           → Number of the season\n  \
+      {episode_number}          → Number of the episode\n  \
+      {relative_episode_number} → Number of the episode relative to its season\
+      {series_id}               → ID of the series\n  \
+      {season_id}               → ID of the season\n  \
+      {episode_id}              → ID of the episode")]
+    #[arg(short, long, default_value = "{title}.mkv")]
+    pub(crate) output: String,
+
+    #[arg(help = "Video resolution")]
+    #[arg(long_help = "The video resolution.\
+    Can either be specified via the pixels (e.g. 1920x1080), the abbreviation for pixels (e.g. 1080p) or 'common-use' words (e.g. best). \
+    Specifying the exact pixels is not recommended, use one of the other options instead. \
+    Crunchyroll let you choose the quality with pixel abbreviation on their clients, so you might be already familiar with the available options. \
+    The available common-use words are 'best' (choose the best resolution available) and 'worst' (worst resolution available)")]
+    #[arg(short, long, default_value = "best")]
+    #[arg(value_parser = crate::utils::clap::clap_parse_resolution)]
+    pub(crate) resolution: Resolution,
+
+    #[arg(
+        help = "Sets the behavior of the stream merging. Valid behaviors are 'auto', 'audio' and 'video'"
+    )]
+    #[arg(
+        long_help = "Because of local restrictions (or other reasons) some episodes with different languages does not have the same length (e.g. when some scenes were cut out). \
+    With this flag you can set the behavior when handling multiple language.
+    Valid options are 'audio' (stores one video and all other languages as audio only), 'video' (stores the video + audio for every language) and 'auto' (detects if videos differ in length: if so, behave like 'video' else like 'audio')"
+    )]
+    #[arg(short, long, default_value = "auto")]
+    #[arg(value_parser = MergeBehavior::parse)]
+    pub(crate) merge: MergeBehavior,
+
+    #[arg(help = format!("Presets for video converting. Can be used multiple times. \
+    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
+    #[arg(long_help = format!("Presets for video converting. Can be used multiple times. \
+    Generally used to minify the file size with keeping (nearly) the same quality. \
+    It is recommended to only use this if you archive videos with high resolutions since low resolution videos tend to result in a larger file with any of the provided presets. \
+    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
+    #[arg(long)]
+    #[arg(value_parser = FFmpegPreset::parse)]
+    pub(crate) ffmpeg_preset: Option<FFmpegPreset>,
+
+    #[arg(
+        help = "Set which subtitle language should be set as default / auto shown when starting a video"
+    )]
+    #[arg(long)]
+    pub(crate) default_subtitle: Option<Locale>,
+
+    #[arg(help = "Skip files which are already existing")]
+    #[arg(long, default_value_t = false)]
+    pub(crate) skip_existing: bool,
+
+    #[arg(help = "Crunchyroll series url(s)")]
+    pub(crate) urls: Vec<String>,
+}
+
+#[async_trait::async_trait(?Send)]
+impl Execute for Archive {
+    fn pre_check(&mut self) -> Result<()> {
+        if !has_ffmpeg() {
+            bail!("FFmpeg is needed to run this command")
+        } else if PathBuf::from(&self.output)
+            .extension()
+            .unwrap_or_default()
+            .to_string_lossy()
+            != "mkv"
+            && !is_special_file(PathBuf::from(&self.output))
+            && self.output != "-"
+        {
+            bail!("File extension is not '.mkv'. Currently only matroska / '.mkv' files are supported")
+        }
+
+        self.locale = all_locale_in_locales(self.locale.clone());
+        self.subtitle = all_locale_in_locales(self.subtitle.clone());
+
+        Ok(())
+    }
+
+    async fn execute(self, ctx: Context) -> Result<()> {
+        let mut parsed_urls = vec![];
+
+        for (i, url) in self.urls.clone().into_iter().enumerate() {
+            let progress_handler = progress!("Parsing url {}", i + 1);
+            match parse_url(&ctx.crunchy, url.clone(), true).await {
+                Ok((media_collection, url_filter)) => {
+                    progress_handler.stop(format!("Parsed url {}", i + 1));
+                    parsed_urls.push((media_collection, url_filter))
+                }
+                Err(e) => bail!("url {} could not be parsed: {}", url, e),
+            };
+        }
+
+        for (i, (media_collection, url_filter)) in parsed_urls.into_iter().enumerate() {
+            let progress_handler = progress!("Fetching series details");
+            let archive_formats = ArchiveFilter::new(url_filter, self.clone())
+                .visit(media_collection)
+                .await?;
+
+            if archive_formats.is_empty() {
+                progress_handler.stop(format!("Skipping url {} (no matching videos found)", i + 1));
+                continue;
+            }
+            progress_handler.stop(format!("Loaded series information for url {}", i + 1));
+
+            formats_visual_output(archive_formats.iter().map(|(_, f)| f).collect());
+
+            for (downloader, mut format) in archive_formats {
+                let formatted_path = format.format_path((&self.output).into(), true);
+                let (path, changed) = free_file(formatted_path.clone());
+
+                if changed && self.skip_existing {
+                    debug!(
+                        "Skipping already existing file '{}'",
+                        formatted_path.to_string_lossy()
+                    );
+                    continue;
+                }
+
+                format.locales.sort_by(|(a, _), (b, _)| {
+                    self.locale
+                        .iter()
+                        .position(|l| l == a)
+                        .cmp(&self.locale.iter().position(|l| l == b))
+                });
+                for (_, subtitles) in format.locales.iter_mut() {
+                    subtitles.sort_by(|a, b| {
+                        self.subtitle
+                            .iter()
+                            .position(|l| l == a)
+                            .cmp(&self.subtitle.iter().position(|l| l == b))
+                    })
+                }
+
+                format.visual_output(&path);
+
+                downloader.download(&ctx, &path).await?
+            }
+        }
+
+        Ok(())
+    }
+}

crunchy-cli-core/src/archive/filter.rs

@@ -0,0 +1,493 @@
+use crate::archive::command::Archive;
+use crate::utils::download::{DownloadBuilder, DownloadFormat, Downloader, MergeBehavior};
+use crate::utils::filter::{real_dedup_vec, Filter};
+use crate::utils::format::{Format, SingleFormat};
+use crate::utils::parse::UrlFilter;
+use crate::utils::video::variant_data_from_stream;
+use anyhow::{bail, Result};
+use chrono::Duration;
+use crunchyroll_rs::media::{Subtitle, VariantData};
+use crunchyroll_rs::{Concert, Episode, Locale, Movie, MovieListing, MusicVideo, Season, Series};
+use log::warn;
+use std::collections::HashMap;
+use std::hash::Hash;
+
+pub(crate) struct FilterResult {
+    format: SingleFormat,
+    video: VariantData,
+    audio: VariantData,
+    duration: Duration,
+    subtitles: Vec<Subtitle>,
+}
+
+enum Visited {
+    Series,
+    Season,
+    None,
+}
+
+pub(crate) struct ArchiveFilter {
+    url_filter: UrlFilter,
+    archive: Archive,
+    season_episode_count: HashMap<u32, Vec<String>>,
+    season_subtitles_missing: Vec<u32>,
+    visited: Visited,
+}
+
+impl ArchiveFilter {
+    pub(crate) fn new(url_filter: UrlFilter, archive: Archive) -> Self {
+        Self {
+            url_filter,
+            archive,
+            season_episode_count: HashMap::new(),
+            season_subtitles_missing: vec![],
+            visited: Visited::None,
+        }
+    }
+}
+
+#[async_trait::async_trait]
+impl Filter for ArchiveFilter {
+    type T = Vec<FilterResult>;
+    type Output = (Downloader, Format);
+
+    async fn visit_series(&mut self, series: Series) -> Result<Vec<Season>> {
+        // `series.audio_locales` isn't always populated b/c of crunchyrolls api. so check if the
+        // audio is matching only if the field is populated
+        if !series.audio_locales.is_empty() {
+            let missing_audio = missing_locales(&series.audio_locales, &self.archive.locale);
+            if !missing_audio.is_empty() {
+                warn!(
+                    "Series {} is not available with {} audio",
+                    series.title,
+                    missing_audio
+                        .into_iter()
+                        .map(|l| l.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ")
+                )
+            }
+            let missing_subtitle =
+                missing_locales(&series.subtitle_locales, &self.archive.subtitle);
+            if !missing_subtitle.is_empty() {
+                warn!(
+                    "Series {} is not available with {} subtitles",
+                    series.title,
+                    missing_subtitle
+                        .into_iter()
+                        .map(|l| l.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ")
+                )
+            }
+            self.visited = Visited::Series
+        }
+        Ok(series.seasons().await?)
+    }
+
+    async fn visit_season(&mut self, mut season: Season) -> Result<Vec<Episode>> {
+        if !self.url_filter.is_season_valid(season.season_number) {
+            return Ok(vec![]);
+        }
+
+        let mut seasons = season.version(self.archive.locale.clone()).await?;
+        if self
+            .archive
+            .locale
+            .iter()
+            .any(|l| season.audio_locales.contains(l))
+        {
+            seasons.insert(0, season.clone());
+        }
+
+        if !matches!(self.visited, Visited::Series) {
+            let mut audio_locales: Vec<Locale> = seasons
+                .iter()
+                .map(|s| s.audio_locales.clone())
+                .flatten()
+                .collect();
+            real_dedup_vec(&mut audio_locales);
+            let missing_audio = missing_locales(&audio_locales, &self.archive.locale);
+            if !missing_audio.is_empty() {
+                warn!(
+                    "Season {} is not available with {} audio",
+                    season.season_number,
+                    missing_audio
+                        .into_iter()
+                        .map(|l| l.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ")
+                )
+            }
+
+            let subtitle_locales: Vec<Locale> = seasons
+                .iter()
+                .map(|s| s.subtitle_locales.clone())
+                .flatten()
+                .collect();
+            let missing_subtitle = missing_locales(&subtitle_locales, &self.archive.subtitle);
+            if !missing_subtitle.is_empty() {
+                warn!(
+                    "Season {} is not available with {} subtitles",
+                    season.season_number,
+                    missing_subtitle
+                        .into_iter()
+                        .map(|l| l.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ")
+                )
+            }
+            self.visited = Visited::Season
+        }
+
+        let mut episodes = vec![];
+        for season in seasons {
+            episodes.extend(season.episodes().await?)
+        }
+
+        if Format::has_relative_episodes_fmt(&self.archive.output) {
+            for episode in episodes.iter() {
+                self.season_episode_count
+                    .entry(episode.season_number)
+                    .or_insert(vec![])
+                    .push(episode.id.clone())
+            }
+        }
+
+        Ok(episodes)
+    }
+
+    async fn visit_episode(&mut self, mut episode: Episode) -> Result<Option<Self::T>> {
+        if !self
+            .url_filter
+            .is_episode_valid(episode.episode_number, episode.season_number)
+        {
+            return Ok(None);
+        }
+
+        let mut episodes = vec![];
+        if !matches!(self.visited, Visited::Series) && !matches!(self.visited, Visited::Season) {
+            if self.archive.locale.contains(&episode.audio_locale) {
+                episodes.push(episode.clone())
+            }
+            episodes.extend(episode.version(self.archive.locale.clone()).await?);
+            let audio_locales: Vec<Locale> =
+                episodes.iter().map(|e| e.audio_locale.clone()).collect();
+            let missing_audio = missing_locales(&audio_locales, &self.archive.locale);
+            if !missing_audio.is_empty() {
+                warn!(
+                    "Episode {} is not available with {} audio",
+                    episode.episode_number,
+                    missing_audio
+                        .into_iter()
+                        .map(|l| l.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ")
+                )
+            }
+
+            let mut subtitle_locales: Vec<Locale> = episodes
+                .iter()
+                .map(|e| e.subtitle_locales.clone())
+                .flatten()
+                .collect();
+            real_dedup_vec(&mut subtitle_locales);
+            let missing_subtitles = missing_locales(&subtitle_locales, &self.archive.subtitle);
+            if !missing_subtitles.is_empty()
+                && !self
+                    .season_subtitles_missing
+                    .contains(&episode.season_number)
+            {
+                warn!(
+                    "Episode {} is not available with {} subtitles",
+                    episode.episode_number,
+                    missing_subtitles
+                        .into_iter()
+                        .map(|l| l.to_string())
+                        .collect::<Vec<String>>()
+                        .join(", ")
+                );
+                self.season_subtitles_missing.push(episode.season_number)
+            }
+        } else {
+            episodes.push(episode.clone())
+        }
+
+        let mut formats = vec![];
+        for episode in episodes {
+            let stream = episode.streams().await?;
+            let (video, audio) = if let Some((video, audio)) =
+                variant_data_from_stream(&stream, &self.archive.resolution).await?
+            {
+                (video, audio)
+            } else {
+                bail!(
+                    "Resolution ({}) is not available for episode {} ({}) of {} season {}",
+                    &self.archive.resolution,
+                    episode.episode_number,
+                    episode.title,
+                    episode.series_title,
+                    episode.season_number,
+                );
+            };
+            let subtitles: Vec<Subtitle> = self
+                .archive
+                .subtitle
+                .iter()
+                .filter_map(|s| stream.subtitles.get(s).cloned())
+                .collect();
+
+            let relative_episode_number = if Format::has_relative_episodes_fmt(&self.archive.output)
+            {
+                if self
+                    .season_episode_count
+                    .get(&episode.season_number)
+                    .is_none()
+                {
+                    let season_episodes = episode.season().await?.episodes().await?;
+                    self.season_episode_count.insert(
+                        episode.season_number,
+                        season_episodes.into_iter().map(|e| e.id).collect(),
+                    );
+                }
+                let relative_episode_number = self
+                    .season_episode_count
+                    .get(&episode.season_number)
+                    .unwrap()
+                    .iter()
+                    .position(|id| id == &episode.id);
+                if relative_episode_number.is_none() {
+                    warn!(
+                        "Failed to get relative episode number for episode {} ({}) of {} season {}",
+                        episode.episode_number,
+                        episode.title,
+                        episode.series_title,
+                        episode.season_number,
+                    )
+                }
+                relative_episode_number
+            } else {
+                None
+            };
+
+            formats.push(FilterResult {
+                format: SingleFormat::new_from_episode(
+                    &episode,
+                    &video,
+                    subtitles.iter().map(|s| s.locale.clone()).collect(),
+                    relative_episode_number.map(|n| n as u32),
+                ),
+                video,
+                audio,
+                duration: episode.duration.clone(),
+                subtitles,
+            })
+        }
+
+        Ok(Some(formats))
+    }
+
+    async fn visit_movie_listing(&mut self, movie_listing: MovieListing) -> Result<Vec<Movie>> {
+        Ok(movie_listing.movies().await?)
+    }
+
+    async fn visit_movie(&mut self, movie: Movie) -> Result<Option<Self::T>> {
+        let stream = movie.streams().await?;
+        let subtitles: Vec<&Subtitle> = self
+            .archive
+            .subtitle
+            .iter()
+            .filter_map(|l| stream.subtitles.get(l))
+            .collect();
+
+        let missing_subtitles = missing_locales(
+            &subtitles.iter().map(|&s| s.locale.clone()).collect(),
+            &self.archive.subtitle,
+        );
+        if !missing_subtitles.is_empty() {
+            warn!(
+                "Movie '{}' is not available with {} subtitles",
+                movie.title,
+                missing_subtitles
+                    .into_iter()
+                    .map(|l| l.to_string())
+                    .collect::<Vec<String>>()
+                    .join(", ")
+            )
+        }
+
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.archive.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}) of movie {} is not available",
+                self.archive.resolution,
+                movie.title
+            )
+        };
+
+        Ok(Some(vec![FilterResult {
+            format: SingleFormat::new_from_movie(&movie, &video, vec![]),
+            video,
+            audio,
+            duration: movie.duration,
+            subtitles: vec![],
+        }]))
+    }
+
+    async fn visit_music_video(&mut self, music_video: MusicVideo) -> Result<Option<Self::T>> {
+        let stream = music_video.streams().await?;
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.archive.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}) of music video {} is not available",
+                self.archive.resolution,
+                music_video.title
+            )
+        };
+
+        Ok(Some(vec![FilterResult {
+            format: SingleFormat::new_from_music_video(&music_video, &video),
+            video,
+            audio,
+            duration: music_video.duration,
+            subtitles: vec![],
+        }]))
+    }
+
+    async fn visit_concert(&mut self, concert: Concert) -> Result<Option<Self::T>> {
+        let stream = concert.streams().await?;
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.archive.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}x{}) of music video {} is not available",
+                self.archive.resolution.width,
+                self.archive.resolution.height,
+                concert.title
+            )
+        };
+
+        Ok(Some(vec![FilterResult {
+            format: SingleFormat::new_from_concert(&concert, &video),
+            video,
+            audio,
+            duration: concert.duration,
+            subtitles: vec![],
+        }]))
+    }
+
+    async fn finish(self, input: Vec<Self::T>) -> Result<Vec<Self::Output>> {
+        let flatten_input: Vec<FilterResult> = input.into_iter().flatten().collect();
+
+        #[derive(Hash, Eq, PartialEq)]
+        struct SortKey {
+            season: u32,
+            episode: String,
+        }
+
+        let mut sorted: HashMap<SortKey, Vec<FilterResult>> = HashMap::new();
+        for data in flatten_input {
+            sorted
+                .entry(SortKey {
+                    season: data.format.season_number,
+                    episode: data.format.episode_number.to_string(),
+                })
+                .or_insert(vec![])
+                .push(data)
+        }
+
+        let mut values: Vec<Vec<FilterResult>> = sorted.into_values().collect();
+        values.sort_by(|a, b| {
+            a.first()
+                .unwrap()
+                .format
+                .sequence_number
+                .total_cmp(&b.first().unwrap().format.sequence_number)
+        });
+
+        let mut result = vec![];
+        for data in values {
+            let single_formats: Vec<SingleFormat> =
+                data.iter().map(|fr| fr.format.clone()).collect();
+            let format = Format::from_single_formats(single_formats);
+
+            let mut downloader = DownloadBuilder::new()
+                .default_subtitle(self.archive.default_subtitle.clone())
+                .ffmpeg_preset(self.archive.ffmpeg_preset.clone().unwrap_or_default())
+                .output_format(Some("matroska".to_string()))
+                .audio_sort(Some(self.archive.locale.clone()))
+                .subtitle_sort(Some(self.archive.subtitle.clone()))
+                .build();
+
+            match self.archive.merge.clone() {
+                MergeBehavior::Video => {
+                    for d in data {
+                        downloader.add_format(DownloadFormat {
+                            video: (d.video, d.format.audio.clone()),
+                            audios: vec![(d.audio, d.format.audio.clone())],
+                            subtitles: d.subtitles,
+                        })
+                    }
+                }
+                MergeBehavior::Audio => downloader.add_format(DownloadFormat {
+                    video: (
+                        data.first().unwrap().video.clone(),
+                        data.first().unwrap().format.audio.clone(),
+                    ),
+                    audios: data
+                        .iter()
+                        .map(|d| (d.audio.clone(), d.format.audio.clone()))
+                        .collect(),
+                    // mix all subtitles together and then reduce them via a map so that only one
+                    // subtitle per language exists
+                    subtitles: data
+                        .iter()
+                        .flat_map(|d| d.subtitles.clone())
+                        .map(|s| (s.locale.clone(), s))
+                        .collect::<HashMap<Locale, Subtitle>>()
+                        .into_values()
+                        .collect(),
+                }),
+                MergeBehavior::Auto => {
+                    let mut download_formats: HashMap<Duration, DownloadFormat> = HashMap::new();
+
+                    for d in data {
+                        if let Some(download_format) = download_formats.get_mut(&d.duration) {
+                            download_format.audios.push((d.audio, d.format.audio));
+                            download_format.subtitles.extend(d.subtitles)
+                        } else {
+                            download_formats.insert(
+                                d.duration,
+                                DownloadFormat {
+                                    video: (d.video, d.format.audio.clone()),
+                                    audios: vec![(d.audio, d.format.audio)],
+                                    subtitles: d.subtitles,
+                                },
+                            );
+                        }
+                    }
+
+                    for download_format in download_formats.into_values() {
+                        downloader.add_format(download_format)
+                    }
+                }
+            }
+
+            result.push((downloader, format))
+        }
+
+        Ok(result)
+    }
+}
+
+fn missing_locales<'a>(available: &Vec<Locale>, searched: &'a Vec<Locale>) -> Vec<&'a Locale> {
+    searched.iter().filter(|p| !available.contains(p)).collect()
+}

crunchy-cli-core/src/archive/mod.rs

@@ -0,0 +1,4 @@
+mod command;
+mod filter;
+
+pub use command::Archive;

crunchy-cli-core/src/cli/archive.rs

@@ -1,618 +0,0 @@
-use crate::cli::log::tab_info;
-use crate::cli::utils::{
-    all_locale_in_locales, download_segments, find_multiple_seasons_with_same_number,
-    find_resolution, interactive_season_choosing, FFmpegPreset,
-};
-use crate::utils::context::Context;
-use crate::utils::format::Format;
-use crate::utils::log::progress;
-use crate::utils::os::{free_file, has_ffmpeg, is_special_file, tempfile};
-use crate::utils::parse::{parse_url, UrlFilter};
-use crate::utils::sort::{sort_formats_after_seasons, sort_seasons_after_number};
-use crate::utils::subtitle::{download_subtitle, Subtitle};
-use crate::utils::video::get_video_length;
-use crate::Execute;
-use anyhow::{bail, Result};
-use crunchyroll_rs::media::Resolution;
-use crunchyroll_rs::{Locale, Media, MediaCollection, Series};
-use log::{debug, error, info};
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-use tempfile::TempPath;
-
-#[derive(Clone, Debug)]
-pub enum MergeBehavior {
-    Auto,
-    Audio,
-    Video,
-}
-
-impl MergeBehavior {
-    fn parse(s: &str) -> Result<MergeBehavior, String> {
-        Ok(match s.to_lowercase().as_str() {
-            "auto" => MergeBehavior::Auto,
-            "audio" => MergeBehavior::Audio,
-            "video" => MergeBehavior::Video,
-            _ => return Err(format!("'{}' is not a valid merge behavior", s)),
-        })
-    }
-}
-
-#[derive(Debug, clap::Parser)]
-#[clap(about = "Archive a video")]
-#[command(arg_required_else_help(true))]
-#[command()]
-pub struct Archive {
-    #[arg(help = format!("Audio languages. Can be used multiple times. \
-    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
-    #[arg(long_help = format!("Audio languages. Can be used multiple times. \
-    Available languages are:\n{}", Locale::all().into_iter().map(|l| format!("{:<6} → {}", l.to_string(), l.to_human_readable())).collect::<Vec<String>>().join("\n  ")))]
-    #[arg(short, long, default_values_t = vec![crate::utils::locale::system_locale(), Locale::ja_JP])]
-    locale: Vec<Locale>,
-    #[arg(help = format!("Subtitle languages. Can be used multiple times. \
-    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
-    #[arg(long_help = format!("Subtitle languages. Can be used multiple times. \
-    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
-    #[arg(short, long, default_values_t = Locale::all())]
-    subtitle: Vec<Locale>,
-
-    #[arg(help = "Name of the output file")]
-    #[arg(long_help = "Name of the output file.\
-    If you use one of the following pattern they will get replaced:\n  \
-      {title}                   → Title of the video\n  \
-      {series_name}             → Name of the series\n  \
-      {season_name}             → Name of the season\n  \
-      {audio}                   → Audio language of the video\n  \
-      {resolution}              → Resolution of the video\n  \
-      {season_number}           → Number of the season\n  \
-      {episode_number}          → Number of the episode\n  \
-      {relative_episode_number} → Number of the episode relative to its season\
-      {series_id}               → ID of the series\n  \
-      {season_id}               → ID of the season\n  \
-      {episode_id}              → ID of the episode")]
-    #[arg(short, long, default_value = "{title}.mkv")]
-    output: String,
-
-    #[arg(help = "Video resolution")]
-    #[arg(long_help = "The video resolution.\
-    Can either be specified via the pixels (e.g. 1920x1080), the abbreviation for pixels (e.g. 1080p) or 'common-use' words (e.g. best). \
-    Specifying the exact pixels is not recommended, use one of the other options instead. \
-    Crunchyroll let you choose the quality with pixel abbreviation on their clients, so you might be already familiar with the available options. \
-    The available common-use words are 'best' (choose the best resolution available) and 'worst' (worst resolution available)")]
-    #[arg(short, long, default_value = "best")]
-    #[arg(value_parser = crate::utils::clap::clap_parse_resolution)]
-    resolution: Resolution,
-
-    #[arg(
-        help = "Sets the behavior of the stream merging. Valid behaviors are 'auto', 'audio' and 'video'"
-    )]
-    #[arg(
-        long_help = "Because of local restrictions (or other reasons) some episodes with different languages does not have the same length (e.g. when some scenes were cut out). \
-    With this flag you can set the behavior when handling multiple language.
-    Valid options are 'audio' (stores one video and all other languages as audio only), 'video' (stores the video + audio for every language) and 'auto' (detects if videos differ in length: if so, behave like 'video' else like 'audio')"
-    )]
-    #[arg(short, long, default_value = "auto")]
-    #[arg(value_parser = MergeBehavior::parse)]
-    merge: MergeBehavior,
-
-    #[arg(help = format!("Presets for video converting. Can be used multiple times. \
-    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
-    #[arg(long_help = format!("Presets for video converting. Can be used multiple times. \
-    Generally used to minify the file size with keeping (nearly) the same quality. \
-    It is recommended to only use this if you archive videos with high resolutions since low resolution videos tend to result in a larger file with any of the provided presets. \
-    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
-    #[arg(long)]
-    #[arg(value_parser = FFmpegPreset::parse)]
-    ffmpeg_preset: Option<FFmpegPreset>,
-
-    #[arg(
-        help = "Set which subtitle language should be set as default / auto shown when starting a video"
-    )]
-    #[arg(long)]
-    default_subtitle: Option<Locale>,
-
-    #[arg(help = "Skip files which are already existing")]
-    #[arg(long, default_value_t = false)]
-    skip_existing: bool,
-
-    #[arg(help = "Ignore interactive input")]
-    #[arg(short, long, default_value_t = false)]
-    yes: bool,
-
-    #[arg(help = "Crunchyroll series url(s)")]
-    urls: Vec<String>,
-}
-
-#[async_trait::async_trait(?Send)]
-impl Execute for Archive {
-    fn pre_check(&mut self) -> Result<()> {
-        if !has_ffmpeg() {
-            bail!("FFmpeg is needed to run this command")
-        } else if PathBuf::from(&self.output)
-            .extension()
-            .unwrap_or_default()
-            .to_string_lossy()
-            != "mkv"
-            && !is_special_file(PathBuf::from(&self.output))
-        {
-            bail!("File extension is not '.mkv'. Currently only matroska / '.mkv' files are supported")
-        }
-
-        self.locale = all_locale_in_locales(self.locale.clone());
-        self.subtitle = all_locale_in_locales(self.subtitle.clone());
-
-        Ok(())
-    }
-
-    async fn execute(self, ctx: Context) -> Result<()> {
-        let mut parsed_urls = vec![];
-
-        for (i, url) in self.urls.iter().enumerate() {
-            let progress_handler = progress!("Parsing url {}", i + 1);
-            match parse_url(&ctx.crunchy, url.clone(), true).await {
-                Ok((media_collection, url_filter)) => {
-                    parsed_urls.push((media_collection, url_filter));
-                    progress_handler.stop(format!("Parsed url {}", i + 1))
-                }
-                Err(e) => bail!("url {} could not be parsed: {}", url, e),
-            }
-        }
-
-        for (i, (media_collection, url_filter)) in parsed_urls.into_iter().enumerate() {
-            let progress_handler = progress!("Fetching series details");
-            let archive_formats = match media_collection {
-                MediaCollection::Series(series) => {
-                    formats_from_series(&self, series, &url_filter).await?
-                }
-                MediaCollection::Season(_) => bail!("Archiving a season is not supported"),
-                MediaCollection::Episode(episode) => bail!("Archiving a episode is not supported. Use url filtering instead to specify the episode (https://www.crunchyroll.com/series/{}/{}[S{}E{}])", episode.metadata.series_id, episode.metadata.series_slug_title, episode.metadata.season_number, episode.metadata.episode_number),
-                MediaCollection::MovieListing(_) => bail!("Archiving a movie listing is not supported"),
-                MediaCollection::Movie(_) => bail!("Archiving a movie is not supported")
-            };
-
-            if archive_formats.is_empty() {
-                progress_handler.stop(format!(
-                    "Skipping url {} (no matching episodes found)",
-                    i + 1
-                ));
-                continue;
-            }
-            progress_handler.stop(format!("Loaded series information for url {}", i + 1));
-
-            if log::max_level() == log::Level::Debug {
-                let seasons = sort_formats_after_seasons(
-                    archive_formats
-                        .clone()
-                        .into_iter()
-                        .map(|(a, _)| a.get(0).unwrap().clone())
-                        .collect(),
-                );
-                debug!("Series has {} seasons", seasons.len());
-                for (i, season) in seasons.into_iter().enumerate() {
-                    info!("Season {} ({})", i + 1, season.get(0).unwrap().season_title);
-                    for format in season {
-                        info!(
-                            "{}: {}px, {:.02} FPS (S{:02}E{:02})",
-                            format.title,
-                            format.stream.resolution,
-                            format.stream.fps,
-                            format.season_number,
-                            format.episode_number,
-                        )
-                    }
-                }
-            } else {
-                for season in sort_formats_after_seasons(
-                    archive_formats
-                        .clone()
-                        .into_iter()
-                        .map(|(a, _)| a.get(0).unwrap().clone())
-                        .collect(),
-                ) {
-                    let first = season.get(0).unwrap();
-                    info!(
-                        "{} Season {} ({})",
-                        first.series_name, first.season_number, first.season_title
-                    );
-
-                    for (i, format) in season.into_iter().enumerate() {
-                        tab_info!(
-                            "{}. {} » {}px, {:.2} FPS (S{:02}E{:02})",
-                            i + 1,
-                            format.title,
-                            format.stream.resolution,
-                            format.stream.fps,
-                            format.season_number,
-                            format.episode_number
-                        )
-                    }
-                }
-            }
-
-            for (formats, mut subtitles) in archive_formats {
-                let (primary, additionally) = formats.split_first().unwrap();
-
-                let formatted_path = primary.format_path((&self.output).into(), true);
-                let (path, changed) = free_file(formatted_path.clone());
-
-                if changed && self.skip_existing {
-                    debug!(
-                        "Skipping already existing file '{}'",
-                        formatted_path.to_string_lossy()
-                    );
-                    continue;
-                }
-
-                info!(
-                    "Downloading {} to '{}'",
-                    primary.title,
-                    if is_special_file(&path) {
-                        path.to_str().unwrap()
-                    } else {
-                        path.file_name().unwrap().to_str().unwrap()
-                    }
-                );
-                tab_info!(
-                    "Episode: S{:02}E{:02}",
-                    primary.season_number,
-                    primary.episode_number
-                );
-                tab_info!(
-                    "Audio: {} (primary), {}",
-                    primary.audio,
-                    additionally
-                        .iter()
-                        .map(|a| a.audio.to_string())
-                        .collect::<Vec<String>>()
-                        .join(", ")
-                );
-                tab_info!(
-                    "Subtitle: {}",
-                    subtitles
-                        .iter()
-                        .filter(|s| s.primary) // Don't print subtitles of non-primary streams. They might get removed depending on the merge behavior.
-                        .map(|s| {
-                            if let Some(default) = &self.default_subtitle {
-                                if default == &s.stream_subtitle.locale {
-                                    return format!("{} (primary)", default);
-                                }
-                            }
-                            s.stream_subtitle.locale.to_string()
-                        })
-                        .collect::<Vec<String>>()
-                        .join(", ")
-                );
-                tab_info!("Resolution: {}", primary.stream.resolution);
-                tab_info!("FPS: {:.2}", primary.stream.fps);
-
-                let mut video_paths = vec![];
-                let mut audio_paths = vec![];
-                let mut subtitle_paths = vec![];
-
-                video_paths.push((download_video(&ctx, primary, false).await?, primary));
-                for additional in additionally {
-                    let identical_video = additionally
-                        .iter()
-                        .all(|a| a.stream.bandwidth == primary.stream.bandwidth);
-                    let only_audio = match self.merge {
-                        MergeBehavior::Auto => identical_video,
-                        MergeBehavior::Audio => true,
-                        MergeBehavior::Video => false,
-                    };
-                    let path = download_video(&ctx, additional, only_audio).await?;
-                    if only_audio {
-                        audio_paths.push((path, additional))
-                    } else {
-                        video_paths.push((path, additional))
-                    }
-
-                    // Remove subtitles of forcibly deleted video
-                    if matches!(self.merge, MergeBehavior::Audio) && !identical_video {
-                        subtitles.retain(|s| s.episode_id != additional.episode_id);
-                    }
-                }
-
-                let (primary_video, _) = video_paths.get(0).unwrap();
-                let primary_video_length = get_video_length(primary_video.to_path_buf()).unwrap();
-                for subtitle in subtitles {
-                    subtitle_paths.push((
-                        download_subtitle(subtitle.stream_subtitle.clone(), primary_video_length)
-                            .await?,
-                        subtitle,
-                    ))
-                }
-
-                let progess_handler = progress!("Generating mkv");
-                generate_mkv(&self, path, video_paths, audio_paths, subtitle_paths)?;
-                progess_handler.stop("Mkv generated")
-            }
-        }
-
-        Ok(())
-    }
-}
-
-async fn formats_from_series(
-    archive: &Archive,
-    series: Media<Series>,
-    url_filter: &UrlFilter,
-) -> Result<Vec<(Vec<Format>, Vec<Subtitle>)>> {
-    let mut seasons = series.seasons().await?;
-
-    // filter any season out which does not contain the specified audio languages
-    for season in sort_seasons_after_number(seasons.clone()) {
-        // get all locales which are specified but not present in the current iterated season and
-        // print an error saying this
-        let not_present_audio = archive
-            .locale
-            .clone()
-            .into_iter()
-            .filter(|l| !season.iter().any(|s| s.metadata.audio_locales.contains(l)))
-            .collect::<Vec<Locale>>();
-        if !not_present_audio.is_empty() {
-            error!(
-                "Season {} of series {} is not available with {} audio",
-                season.first().unwrap().metadata.season_number,
-                series.title,
-                not_present_audio
-                    .into_iter()
-                    .map(|l| l.to_string())
-                    .collect::<Vec<String>>()
-                    .join(", ")
-            )
-        }
-
-        // remove all seasons with the wrong audio for the current iterated season number
-        seasons.retain(|s| {
-            s.metadata.season_number != season.first().unwrap().metadata.season_number
-                || archive
-                    .locale
-                    .iter()
-                    .any(|l| s.metadata.audio_locales.contains(l))
-        });
-        // remove seasons which match the url filter. this is mostly done to not trigger the
-        // interactive season choosing when dupilcated seasons are excluded by the filter
-        seasons.retain(|s| url_filter.is_season_valid(s.metadata.season_number))
-    }
-
-    if !archive.yes && !find_multiple_seasons_with_same_number(&seasons).is_empty() {
-        info!(target: "progress_end", "Fetched seasons");
-        seasons = interactive_season_choosing(seasons);
-        info!(target: "progress", "Fetching series details")
-    }
-
-    #[allow(clippy::type_complexity)]
-    let mut result: Vec<(Vec<Format>, Vec<Subtitle>)> = Vec::new();
-    let mut primary_season = true;
-    for season in seasons {
-        let episodes = season.episodes().await?;
-
-        for episode in episodes.iter() {
-            if !url_filter.is_episode_valid(
-                episode.metadata.episode_number,
-                episode.metadata.season_number,
-            ) {
-                continue;
-            }
-
-            let streams = episode.streams().await?;
-            let streaming_data = streams.hls_streaming_data(None).await?;
-            let Some(stream) = find_resolution(streaming_data, &archive.resolution) else {
-                bail!(
-                    "Resolution ({}x{}) is not available for episode {} ({}) of season {} ({}) of {}",
-                    archive.resolution.width,
-                    archive.resolution.height,
-                    episode.metadata.episode_number,
-                    episode.title,
-                    episode.metadata.season_number,
-                    episode.metadata.season_title,
-                    episode.metadata.series_title
-                )
-            };
-
-            let mut formats: Vec<Format> = Vec::new();
-            let mut subtitles: Vec<Subtitle> = Vec::new();
-            subtitles.extend(archive.subtitle.iter().filter_map(|l| {
-                let stream_subtitle = streams.subtitles.get(l).cloned()?;
-                let subtitle = Subtitle {
-                    stream_subtitle,
-                    audio_locale: episode.metadata.audio_locale.clone(),
-                    episode_id: episode.id.clone(),
-                    forced: !episode.metadata.is_subbed,
-                    primary: primary_season,
-                };
-                Some(subtitle)
-            }));
-            formats.push(Format::new_from_episode(episode, &episodes, stream, vec![]));
-
-            result.push((formats, subtitles));
-        }
-
-        primary_season = false;
-    }
-
-    Ok(result)
-}
-
-async fn download_video(ctx: &Context, format: &Format, only_audio: bool) -> Result<TempPath> {
-    let tempfile = if only_audio {
-        tempfile(".aac")?
-    } else {
-        tempfile(".ts")?
-    };
-    let (_, path) = tempfile.into_parts();
-
-    let ffmpeg = Command::new("ffmpeg")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::null())
-        .stderr(Stdio::piped())
-        .arg("-y")
-        .args(["-f", "mpegts"])
-        .args(["-i", "pipe:"])
-        .args(["-c", "copy"])
-        .args(if only_audio { vec!["-vn"] } else { vec![] })
-        .arg(path.to_str().unwrap())
-        .spawn()?;
-
-    download_segments(
-        ctx,
-        &mut ffmpeg.stdin.unwrap(),
-        Some(format!("Download {}", format.audio)),
-        format.stream.clone(),
-    )
-    .await?;
-
-    Ok(path)
-}
-
-fn generate_mkv(
-    archive: &Archive,
-    target: PathBuf,
-    video_paths: Vec<(TempPath, &Format)>,
-    audio_paths: Vec<(TempPath, &Format)>,
-    subtitle_paths: Vec<(TempPath, Subtitle)>,
-) -> Result<()> {
-    let mut input = vec![];
-    let mut maps = vec![];
-    let mut metadata = vec![];
-    let mut dispositions = vec![vec![]; subtitle_paths.len()];
-
-    for (i, (video_path, format)) in video_paths.iter().enumerate() {
-        input.extend(["-i".to_string(), video_path.to_string_lossy().to_string()]);
-        maps.extend(["-map".to_string(), i.to_string()]);
-        metadata.extend([
-            format!("-metadata:s:v:{}", i),
-            format!("language={}", format.audio),
-        ]);
-        metadata.extend([
-            format!("-metadata:s:v:{}", i),
-            format!("title={}", format.audio.to_human_readable()),
-        ]);
-        metadata.extend([
-            format!("-metadata:s:a:{}", i),
-            format!("language={}", format.audio),
-        ]);
-        metadata.extend([
-            format!("-metadata:s:a:{}", i),
-            format!("title={}", format.audio.to_human_readable()),
-        ]);
-    }
-    for (i, (audio_path, format)) in audio_paths.iter().enumerate() {
-        input.extend(["-i".to_string(), audio_path.to_string_lossy().to_string()]);
-        maps.extend(["-map".to_string(), (i + video_paths.len()).to_string()]);
-        metadata.extend([
-            format!("-metadata:s:a:{}", i + video_paths.len()),
-            format!("language={}", format.audio),
-        ]);
-        metadata.extend([
-            format!("-metadata:s:a:{}", i + video_paths.len()),
-            format!("title={}", format.audio.to_human_readable()),
-        ]);
-    }
-    for (i, (subtitle_path, subtitle)) in subtitle_paths.iter().enumerate() {
-        input.extend([
-            "-i".to_string(),
-            subtitle_path.to_string_lossy().to_string(),
-        ]);
-        maps.extend([
-            "-map".to_string(),
-            (i + video_paths.len() + audio_paths.len()).to_string(),
-        ]);
-        metadata.extend([
-            format!("-metadata:s:s:{}", i),
-            format!("language={}", subtitle.stream_subtitle.locale),
-        ]);
-        metadata.extend([
-            format!("-metadata:s:s:{}", i),
-            format!(
-                "title={}",
-                subtitle.stream_subtitle.locale.to_human_readable()
-                    + if !subtitle.primary {
-                        format!(" [Video: {}]", subtitle.audio_locale.to_human_readable())
-                    } else {
-                        "".to_string()
-                    }
-                    .as_str()
-            ),
-        ]);
-
-        // mark forced subtitles
-        if subtitle.forced {
-            dispositions[i].push("forced");
-        }
-    }
-
-    let (input_presets, output_presets) = if let Some(preset) = archive.ffmpeg_preset.clone() {
-        preset.to_input_output_args()
-    } else {
-        (
-            vec![],
-            vec![
-                "-c:v".to_string(),
-                "copy".to_string(),
-                "-c:a".to_string(),
-                "copy".to_string(),
-            ],
-        )
-    };
-
-    let mut command_args = vec!["-y".to_string()];
-    command_args.extend(input_presets);
-    command_args.extend(input);
-    command_args.extend(maps);
-    command_args.extend(metadata);
-
-    // set default subtitle
-    if let Some(default_subtitle) = &archive.default_subtitle {
-        // if `--default_subtitle <locale>` is given set the default subtitle to the given locale
-        if let Some(position) = subtitle_paths
-            .iter()
-            .position(|(_, subtitle)| &subtitle.stream_subtitle.locale == default_subtitle)
-        {
-            dispositions[position].push("default");
-        }
-    }
-
-    let disposition_args: Vec<String> = dispositions
-        .iter()
-        .enumerate()
-        .flat_map(|(i, d)| {
-            vec![
-                format!("-disposition:s:{}", i),
-                if !d.is_empty() {
-                    d.join("+")
-                } else {
-                    "0".to_string()
-                },
-            ]
-        })
-        .collect();
-    command_args.extend(disposition_args);
-
-    command_args.extend(output_presets);
-    command_args.extend([
-        "-f".to_string(),
-        "matroska".to_string(),
-        target.to_string_lossy().to_string(),
-    ]);
-
-    debug!("ffmpeg {}", command_args.join(" "));
-
-    // create parent directory if it does not exist
-    if let Some(parent) = target.parent() {
-        if !parent.exists() {
-            std::fs::create_dir_all(parent)?
-        }
-    }
-
-    let ffmpeg = Command::new("ffmpeg")
-        .stdout(Stdio::null())
-        .stderr(Stdio::piped())
-        .args(command_args)
-        .output()?;
-    if !ffmpeg.status.success() {
-        bail!("{}", String::from_utf8_lossy(ffmpeg.stderr.as_slice()))
-    }
-
-    Ok(())
-}

crunchy-cli-core/src/cli/download.rs

@@ -1,603 +0,0 @@
-use crate::cli::log::tab_info;
-use crate::cli::utils::{
-    download_segments, find_multiple_seasons_with_same_number, find_resolution,
-    interactive_season_choosing, FFmpegPreset,
-};
-use crate::utils::context::Context;
-use crate::utils::format::Format;
-use crate::utils::log::progress;
-use crate::utils::os::{free_file, has_ffmpeg, is_special_file, tempfile};
-use crate::utils::parse::{parse_url, UrlFilter};
-use crate::utils::sort::{sort_formats_after_seasons, sort_seasons_after_number};
-use crate::utils::subtitle::download_subtitle;
-use crate::utils::video::get_video_length;
-use crate::Execute;
-use anyhow::{bail, Result};
-use crunchyroll_rs::media::{Resolution, StreamSubtitle, VariantData};
-use crunchyroll_rs::{
-    Episode, Locale, Media, MediaCollection, Movie, MovieListing, Season, Series,
-};
-use log::{debug, error, info, warn};
-use std::borrow::Cow;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-
-#[derive(Debug, clap::Parser)]
-#[clap(about = "Download a video")]
-#[command(arg_required_else_help(true))]
-pub struct Download {
-    #[arg(help = format!("Audio language. Can only be used if the provided url(s) point to a series. \
-    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
-    #[arg(long_help = format!("Audio language. Can only be used if the provided url(s) point to a series. \
-    Available languages are:\n{}", Locale::all().into_iter().map(|l| format!("{:<6} → {}", l.to_string(), l.to_human_readable())).collect::<Vec<String>>().join("\n  ")))]
-    #[arg(short, long, default_value_t = crate::utils::locale::system_locale())]
-    audio: Locale,
-    #[arg(help = format!("Subtitle language. Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
-    #[arg(long_help = format!("Subtitle language. If set, the subtitle will be burned into the video and cannot be disabled. \
-    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
-    #[arg(short, long)]
-    subtitle: Option<Locale>,
-
-    #[arg(help = "Name of the output file")]
-    #[arg(long_help = "Name of the output file.\
-    If you use one of the following pattern they will get replaced:\n  \
-      {title}                   → Title of the video\n  \
-      {series_name}             → Name of the series\n  \
-      {season_name}             → Name of the season\n  \
-      {audio}                   → Audio language of the video\n  \
-      {resolution}              → Resolution of the video\n  \
-      {season_number}           → Number of the season\n  \
-      {episode_number}          → Number of the episode\n  \
-      {relative_episode_number} → Number of the episode relative to its season\
-      {series_id}               → ID of the series\n  \
-      {season_id}               → ID of the season\n  \
-      {episode_id}              → ID of the episode")]
-    #[arg(short, long, default_value = "{title}.mp4")]
-    output: String,
-
-    #[arg(help = "Video resolution")]
-    #[arg(long_help = "The video resolution.\
-    Can either be specified via the pixels (e.g. 1920x1080), the abbreviation for pixels (e.g. 1080p) or 'common-use' words (e.g. best). \
-    Specifying the exact pixels is not recommended, use one of the other options instead. \
-    Crunchyroll let you choose the quality with pixel abbreviation on their clients, so you might be already familiar with the available options. \
-    The available common-use words are 'best' (choose the best resolution available) and 'worst' (worst resolution available)")]
-    #[arg(short, long, default_value = "best")]
-    #[arg(value_parser = crate::utils::clap::clap_parse_resolution)]
-    resolution: Resolution,
-
-    #[arg(help = format!("Presets for video converting. Can be used multiple times. \
-    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
-    #[arg(long_help = format!("Presets for video converting. Can be used multiple times. \
-    Generally used to minify the file size with keeping (nearly) the same quality. \
-    It is recommended to only use this if you download videos with high resolutions since low resolution videos tend to result in a larger file with any of the provided presets. \
-    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
-    #[arg(long)]
-    #[arg(value_parser = FFmpegPreset::parse)]
-    ffmpeg_preset: Option<FFmpegPreset>,
-
-    #[arg(help = "Skip files which are already existing")]
-    #[arg(long, default_value_t = false)]
-    skip_existing: bool,
-
-    #[arg(help = "Ignore interactive input")]
-    #[arg(short, long, default_value_t = false)]
-    yes: bool,
-
-    #[arg(help = "Url(s) to Crunchyroll episodes or series")]
-    urls: Vec<String>,
-}
-
-#[async_trait::async_trait(?Send)]
-impl Execute for Download {
-    fn pre_check(&mut self) -> Result<()> {
-        if !has_ffmpeg() {
-            bail!("FFmpeg is needed to run this command")
-        } else if Path::new(&self.output)
-            .extension()
-            .unwrap_or_default()
-            .is_empty()
-            && self.output != "-"
-        {
-            bail!("No file extension found. Please specify a file extension (via `-o`) for the output file")
-        }
-
-        if self.subtitle.is_some() {
-            if let Some(ext) = Path::new(&self.output).extension() {
-                if ext.to_string_lossy() != "mp4" {
-                    warn!("Detected a non mp4 output container. Adding subtitles may take a while")
-                }
-            }
-        }
-
-        Ok(())
-    }
-
-    async fn execute(self, ctx: Context) -> Result<()> {
-        let mut parsed_urls = vec![];
-
-        for (i, url) in self.urls.iter().enumerate() {
-            let progress_handler = progress!("Parsing url {}", i + 1);
-            match parse_url(&ctx.crunchy, url.clone(), true).await {
-                Ok((media_collection, url_filter)) => {
-                    parsed_urls.push((media_collection, url_filter));
-                    progress_handler.stop(format!("Parsed url {}", i + 1))
-                }
-                Err(e) => bail!("url {} could not be parsed: {}", url, e),
-            }
-        }
-
-        for (i, (media_collection, url_filter)) in parsed_urls.into_iter().enumerate() {
-            let progress_handler = progress!("Fetching series details");
-            let formats = match media_collection {
-                MediaCollection::Series(series) => {
-                    debug!("Url {} is series ({})", i + 1, series.title);
-                    formats_from_series(&self, series, &url_filter).await?
-                }
-                MediaCollection::Season(season) => {
-                    debug!(
-                        "Url {} is season {} ({})",
-                        i + 1,
-                        season.metadata.season_number,
-                        season.title
-                    );
-                    formats_from_season(&self, season, &url_filter).await?
-                }
-                MediaCollection::Episode(episode) => {
-                    debug!(
-                        "Url {} is episode {} ({}) of season {} ({}) of {}",
-                        i + 1,
-                        episode.metadata.episode_number,
-                        episode.title,
-                        episode.metadata.season_number,
-                        episode.metadata.season_title,
-                        episode.metadata.series_title
-                    );
-                    format_from_episode(&self, &episode, &url_filter, None, false)
-                        .await?
-                        .map(|fmt| vec![fmt])
-                }
-                MediaCollection::MovieListing(movie_listing) => {
-                    debug!("Url {} is movie listing ({})", i + 1, movie_listing.title);
-                    format_from_movie_listing(&self, movie_listing, &url_filter).await?
-                }
-                MediaCollection::Movie(movie) => {
-                    debug!("Url {} is movie ({})", i + 1, movie.title);
-                    format_from_movie(&self, movie, &url_filter)
-                        .await?
-                        .map(|fmt| vec![fmt])
-                }
-            };
-
-            let Some(formats) = formats else {
-                progress_handler.stop(format!("Skipping url {} (no matching episodes found)", i + 1));
-                continue;
-            };
-            progress_handler.stop(format!("Loaded series information for url {}", i + 1));
-
-            if log::max_level() == log::Level::Debug {
-                let seasons = sort_formats_after_seasons(formats.clone());
-                debug!("Series has {} seasons", seasons.len());
-                for (i, season) in seasons.into_iter().enumerate() {
-                    info!("Season {} ({})", i + 1, season.get(0).unwrap().season_title);
-                    for format in season {
-                        info!(
-                            "{}: {}px, {:.02} FPS (S{:02}E{:02})",
-                            format.title,
-                            format.stream.resolution,
-                            format.stream.fps,
-                            format.season_number,
-                            format.episode_number,
-                        )
-                    }
-                }
-            } else {
-                for season in sort_formats_after_seasons(formats.clone()) {
-                    let first = season.get(0).unwrap();
-                    info!(
-                        "{} Season {} ({})",
-                        first.series_name, first.season_number, first.season_title
-                    );
-
-                    for (i, format) in season.into_iter().enumerate() {
-                        tab_info!(
-                            "{}. {} » {}px, {:.2} FPS (S{:02}E{:02})",
-                            i + 1,
-                            format.title,
-                            format.stream.resolution,
-                            format.stream.fps,
-                            format.season_number,
-                            format.episode_number
-                        )
-                    }
-                }
-            }
-
-            for format in formats {
-                let formatted_path = format.format_path((&self.output).into(), true);
-                let (path, changed) = free_file(formatted_path.clone());
-
-                if changed && self.skip_existing {
-                    debug!(
-                        "Skipping already existing file '{}'",
-                        formatted_path.to_string_lossy()
-                    );
-                    continue;
-                }
-
-                info!(
-                    "Downloading {} to '{}'",
-                    format.title,
-                    if is_special_file(&path) {
-                        path.to_str().unwrap()
-                    } else {
-                        path.file_name().unwrap().to_str().unwrap()
-                    }
-                );
-                tab_info!(
-                    "Episode: S{:02}E{:02}",
-                    format.season_number,
-                    format.episode_number
-                );
-                tab_info!("Audio: {}", format.audio);
-                tab_info!(
-                    "Subtitles: {}",
-                    self.subtitle
-                        .clone()
-                        .map_or("None".to_string(), |l| l.to_string())
-                );
-                tab_info!("Resolution: {}", format.stream.resolution);
-                tab_info!("FPS: {:.2}", format.stream.fps);
-
-                download_ffmpeg(
-                    &ctx,
-                    &self,
-                    format.stream,
-                    format.subtitles.get(0).cloned(),
-                    path.to_path_buf(),
-                )
-                .await?;
-            }
-        }
-
-        Ok(())
-    }
-}
-
-async fn download_ffmpeg(
-    ctx: &Context,
-    download: &Download,
-    variant_data: VariantData,
-    subtitle: Option<StreamSubtitle>,
-    mut target: PathBuf,
-) -> Result<()> {
-    let (input_presets, mut output_presets) = if let Some(preset) = download.ffmpeg_preset.clone() {
-        preset.to_input_output_args()
-    } else {
-        (
-            vec![],
-            vec![
-                "-c:v".to_string(),
-                "copy".to_string(),
-                "-c:a".to_string(),
-                "copy".to_string(),
-            ],
-        )
-    };
-
-    // create parent directory if it does not exist
-    if let Some(parent) = target.parent() {
-        if !parent.exists() {
-            std::fs::create_dir_all(parent)?
-        }
-    }
-
-    let mut video_file = tempfile(".ts")?;
-    download_segments(ctx, &mut video_file, None, variant_data).await?;
-    let subtitle_file = if let Some(ref sub) = subtitle {
-        let video_len = get_video_length(video_file.path().to_path_buf())?;
-        Some(download_subtitle(sub.clone(), video_len).await?)
-    } else {
-        None
-    };
-
-    let stdout_tempfile = if target.to_string_lossy() == "-" {
-        let file = tempfile(".mp4")?;
-        target = file.path().to_path_buf();
-
-        Some(file)
-    } else {
-        None
-    };
-
-    let subtitle_presets = if let Some(sub_file) = &subtitle_file {
-        if target.extension().unwrap_or_default().to_string_lossy() == "mp4" {
-            vec![
-                "-i".to_string(),
-                sub_file.to_string_lossy().to_string(),
-                "-movflags".to_string(),
-                "faststart".to_string(),
-                "-c:s".to_string(),
-                "mov_text".to_string(),
-                "-disposition:s:s:0".to_string(),
-                "forced".to_string(),
-            ]
-        } else {
-            // remove '-c:v copy' and '-c:a copy' from output presets as its causes issues with
-            // burning subs into the video
-            let mut last = String::new();
-            let mut remove_count = 0;
-            for (i, s) in output_presets.clone().iter().enumerate() {
-                if (last == "-c:v" || last == "-c:a") && s == "copy" {
-                    // remove last
-                    output_presets.remove(i - remove_count - 1);
-                    remove_count += 1;
-                    output_presets.remove(i - remove_count);
-                    remove_count += 1;
-                }
-                last = s.clone();
-            }
-
-            vec![
-                "-vf".to_string(),
-                format!("subtitles={}", sub_file.to_string_lossy()),
-            ]
-        }
-    } else {
-        vec![]
-    };
-
-    let mut ffmpeg = Command::new("ffmpeg")
-        .stdout(Stdio::null())
-        .stderr(Stdio::piped())
-        .arg("-y")
-        .args(input_presets)
-        .args(["-i", video_file.path().to_string_lossy().as_ref()])
-        .args(subtitle_presets)
-        .args(output_presets)
-        .arg(target.to_str().unwrap())
-        .spawn()?;
-
-    let progress_handler = progress!("Generating output file");
-    if !ffmpeg.wait()?.success() {
-        bail!("{}", std::io::read_to_string(ffmpeg.stderr.unwrap())?)
-    }
-    progress_handler.stop("Output file generated");
-
-    if let Some(mut stdout_file) = stdout_tempfile {
-        let mut stdout = std::io::stdout();
-
-        std::io::copy(&mut stdout_file, &mut stdout)?;
-    }
-
-    Ok(())
-}
-
-async fn formats_from_series(
-    download: &Download,
-    series: Media<Series>,
-    url_filter: &UrlFilter,
-) -> Result<Option<Vec<Format>>> {
-    if !series.metadata.audio_locales.is_empty()
-        && !series.metadata.audio_locales.contains(&download.audio)
-    {
-        error!(
-            "Series {} is not available with {} audio",
-            series.title, download.audio
-        );
-        return Ok(None);
-    }
-
-    let mut seasons = series.seasons().await?;
-
-    // filter any season out which does not contain the specified audio language
-    for season in sort_seasons_after_number(seasons.clone()) {
-        // check if the current iterated season has the specified audio language
-        if !season
-            .iter()
-            .any(|s| s.metadata.audio_locales.contains(&download.audio))
-        {
-            error!(
-                "Season {} of series {} is not available with {} audio",
-                season.first().unwrap().metadata.season_number,
-                series.title,
-                download.audio
-            );
-        }
-
-        // remove all seasons with the wrong audio for the current iterated season number
-        seasons.retain(|s| {
-            s.metadata.season_number != season.first().unwrap().metadata.season_number
-                || s.metadata.audio_locales.contains(&download.audio)
-        });
-        // remove seasons which match the url filter. this is mostly done to not trigger the
-        // interactive season choosing when dupilcated seasons are excluded by the filter
-        seasons.retain(|s| url_filter.is_season_valid(s.metadata.season_number))
-    }
-
-    if !download.yes && !find_multiple_seasons_with_same_number(&seasons).is_empty() {
-        info!(target: "progress_end", "Fetched seasons");
-        seasons = interactive_season_choosing(seasons);
-        info!(target: "progress", "Fetching series details")
-    }
-
-    let mut formats = vec![];
-    for season in seasons {
-        if let Some(fmts) = formats_from_season(download, season, url_filter).await? {
-            formats.extend(fmts)
-        }
-    }
-
-    Ok(some_vec_or_none(formats))
-}
-
-async fn formats_from_season(
-    download: &Download,
-    season: Media<Season>,
-    url_filter: &UrlFilter,
-) -> Result<Option<Vec<Format>>> {
-    if !url_filter.is_season_valid(season.metadata.season_number) {
-        return Ok(None);
-    } else if !season.metadata.audio_locales.contains(&download.audio) {
-        error!(
-            "Season {} ({}) is not available with {} audio",
-            season.metadata.season_number, season.title, download.audio
-        );
-        return Ok(None);
-    }
-
-    let mut formats = vec![];
-
-    let episodes = season.episodes().await?;
-    for episode in episodes.iter() {
-        if let Some(fmt) =
-            format_from_episode(download, &episode, url_filter, Some(&episodes), true).await?
-        {
-            formats.push(fmt)
-        }
-    }
-
-    Ok(some_vec_or_none(formats))
-}
-
-async fn format_from_episode(
-    download: &Download,
-    episode: &Media<Episode>,
-    url_filter: &UrlFilter,
-    season_episodes: Option<&Vec<Media<Episode>>>,
-    filter_audio: bool,
-) -> Result<Option<Format>> {
-    if filter_audio && episode.metadata.audio_locale != download.audio {
-        error!(
-            "Episode {} ({}) of season {} ({}) of {} has no {} audio",
-            episode.metadata.episode_number,
-            episode.title,
-            episode.metadata.season_number,
-            episode.metadata.season_title,
-            episode.metadata.series_title,
-            download.audio
-        );
-        return Ok(None);
-    } else if !url_filter.is_episode_valid(
-        episode.metadata.episode_number,
-        episode.metadata.season_number,
-    ) {
-        return Ok(None);
-    }
-
-    let streams = episode.streams().await?;
-    let streaming_data = streams.hls_streaming_data(None).await?;
-    let subtitle = if let Some(subtitle) = &download.subtitle {
-        if let Some(sub) = streams.subtitles.get(subtitle) {
-            Some(sub.clone())
-        } else {
-            error!(
-                "Episode {} ({}) of season {} ({}) of {} has no {} subtitles",
-                episode.metadata.episode_number,
-                episode.title,
-                episode.metadata.season_number,
-                episode.metadata.season_title,
-                episode.metadata.series_title,
-                subtitle
-            );
-            return Ok(None);
-        }
-    } else {
-        None
-    };
-
-    let Some(stream) = find_resolution(streaming_data, &download.resolution) else {
-        bail!(
-            "Resolution ({}x{}) is not available for episode {} ({}) of season {} ({}) of {}",
-            download.resolution.width,
-            download.resolution.height,
-            episode.metadata.episode_number,
-            episode.title,
-            episode.metadata.season_number,
-            episode.metadata.season_title,
-            episode.metadata.series_title
-        )
-    };
-
-    let season_eps = if Format::has_relative_episodes_fmt(&download.output) {
-        if let Some(eps) = season_episodes {
-            Cow::from(eps)
-        } else {
-            Cow::from(episode.season().await?.episodes().await?)
-        }
-    } else {
-        Cow::from(vec![])
-    };
-
-    Ok(Some(Format::new_from_episode(
-        episode,
-        &season_eps.to_vec(),
-        stream,
-        subtitle.map_or_else(|| vec![], |s| vec![s]),
-    )))
-}
-
-async fn format_from_movie_listing(
-    download: &Download,
-    movie_listing: Media<MovieListing>,
-    url_filter: &UrlFilter,
-) -> Result<Option<Vec<Format>>> {
-    let mut formats = vec![];
-
-    for movie in movie_listing.movies().await? {
-        if let Some(fmt) = format_from_movie(download, movie, url_filter).await? {
-            formats.push(fmt)
-        }
-    }
-
-    Ok(some_vec_or_none(formats))
-}
-
-async fn format_from_movie(
-    download: &Download,
-    movie: Media<Movie>,
-    _: &UrlFilter,
-) -> Result<Option<Format>> {
-    let streams = movie.streams().await?;
-    let mut streaming_data = if let Some(subtitle) = &download.subtitle {
-        if !streams.subtitles.keys().cloned().any(|x| &x == subtitle) {
-            error!("Movie {} has no {} subtitles", movie.title, subtitle);
-            return Ok(None);
-        }
-        streams.hls_streaming_data(Some(subtitle.clone())).await?
-    } else {
-        streams.hls_streaming_data(None).await?
-    };
-
-    streaming_data.sort_by(|a, b| a.resolution.width.cmp(&b.resolution.width).reverse());
-    let stream = {
-        match download.resolution.height {
-            u64::MAX => streaming_data.into_iter().next().unwrap(),
-            u64::MIN => streaming_data.into_iter().last().unwrap(),
-            _ => {
-                if let Some(streaming_data) = streaming_data.into_iter().find(|v| {
-                    download.resolution.height == u64::MAX
-                        || v.resolution.height == download.resolution.height
-                }) {
-                    streaming_data
-                } else {
-                    bail!(
-                        "Resolution ({}x{}) is not available for movie {}",
-                        download.resolution.width,
-                        download.resolution.height,
-                        movie.title
-                    )
-                }
-            }
-        }
-    };
-
-    Ok(Some(Format::new_from_movie(&movie, stream)))
-}
-
-fn some_vec_or_none<T>(v: Vec<T>) -> Option<Vec<T>> {
-    if v.is_empty() {
-        None
-    } else {
-        Some(v)
-    }
-}

crunchy-cli-core/src/cli/log.rs

@@ -1,138 +0,0 @@
-use indicatif::{ProgressBar, ProgressStyle};
-use log::{
-    set_boxed_logger, set_max_level, Level, LevelFilter, Log, Metadata, Record, SetLoggerError,
-};
-use std::io::{stdout, Write};
-use std::sync::Mutex;
-use std::thread;
-use std::time::Duration;
-
-#[allow(clippy::type_complexity)]
-pub struct CliLogger {
-    all: bool,
-    level: LevelFilter,
-    progress: Mutex<Option<ProgressBar>>,
-}
-
-impl Log for CliLogger {
-    fn enabled(&self, metadata: &Metadata) -> bool {
-        metadata.level() <= self.level
-    }
-
-    fn log(&self, record: &Record) {
-        if !self.enabled(record.metadata())
-            || (record.target() != "progress"
-                && record.target() != "progress_end"
-                && (!self.all && !record.target().starts_with("crunchy_cli")))
-        {
-            return;
-        }
-
-        if self.level >= LevelFilter::Debug {
-            self.extended(record);
-            return;
-        }
-
-        match record.target() {
-            "progress" => self.progress(record, false),
-            "progress_end" => self.progress(record, true),
-            _ => {
-                if self.progress.lock().unwrap().is_some() {
-                    self.progress(record, false)
-                } else if record.level() > Level::Warn {
-                    self.normal(record)
-                } else {
-                    self.error(record)
-                }
-            }
-        }
-    }
-
-    fn flush(&self) {
-        let _ = stdout().flush();
-    }
-}
-
-impl CliLogger {
-    pub fn new(all: bool, level: LevelFilter) -> Self {
-        Self {
-            all,
-            level,
-            progress: Mutex::new(None),
-        }
-    }
-
-    pub fn init(all: bool, level: LevelFilter) -> Result<(), SetLoggerError> {
-        set_max_level(level);
-        set_boxed_logger(Box::new(CliLogger::new(all, level)))
-    }
-
-    fn extended(&self, record: &Record) {
-        println!(
-            "[{}] {}  {} ({}) {}",
-            chrono::Utc::now().format("%Y-%m-%d %H:%M:%S"),
-            record.level(),
-            // replace the 'progress' prefix if this function is invoked via 'progress!'
-            record
-                .target()
-                .replacen("crunchy_cli_core", "crunchy_cli", 1)
-                .replacen("progress_end", "crunchy_cli", 1)
-                .replacen("progress", "crunchy_cli", 1),
-            format!("{:?}", thread::current().id())
-                .replace("ThreadId(", "")
-                .replace(')', ""),
-            record.args()
-        )
-    }
-
-    fn normal(&self, record: &Record) {
-        println!(":: {}", record.args())
-    }
-
-    fn error(&self, record: &Record) {
-        eprintln!(":: {}", record.args())
-    }
-
-    fn progress(&self, record: &Record, stop: bool) {
-        let mut progress = self.progress.lock().unwrap();
-
-        let msg = format!("{}", record.args());
-        if stop && progress.is_some() {
-            if msg.is_empty() {
-                progress.take().unwrap().finish()
-            } else {
-                progress.take().unwrap().finish_with_message(msg)
-            }
-        } else if let Some(p) = &*progress {
-            p.println(format!(":: → {}", msg))
-        } else {
-            #[cfg(not(windows))]
-            let finish_str = "✔";
-            #[cfg(windows)]
-            // windows does not support all unicode characters by default in their consoles, so
-            // we're using this (square root?) symbol instead. microsoft.
-            let finish_str = "√";
-
-            let pb = ProgressBar::new_spinner();
-            pb.set_style(
-                ProgressStyle::with_template(":: {spinner} {msg}")
-                    .unwrap()
-                    .tick_strings(&["—", "\\", "|", "/", finish_str]),
-            );
-            pb.enable_steady_tick(Duration::from_millis(200));
-            pb.set_message(msg);
-            *progress = Some(pb)
-        }
-    }
-}
-
-macro_rules! tab_info {
-    ($($arg:tt)+) => {
-        if log::max_level() == log::LevelFilter::Debug {
-            info!($($arg)+)
-        } else {
-            info!("\t{}", format!($($arg)+))
-        }
-    }
-}
-pub(crate) use tab_info;

crunchy-cli-core/src/cli/mod.rs

@@ -1,5 +0,0 @@
-pub mod archive;
-pub mod download;
-pub mod log;
-pub mod login;
-mod utils;

crunchy-cli-core/src/cli/utils.rs

@@ -1,693 +0,0 @@
-use crate::utils::context::Context;
-use anyhow::{bail, Result};
-use crunchyroll_rs::media::{Resolution, VariantData, VariantSegment};
-use crunchyroll_rs::{Locale, Media, Season};
-use indicatif::{ProgressBar, ProgressFinish, ProgressStyle};
-use lazy_static::lazy_static;
-use log::{debug, LevelFilter};
-use regex::Regex;
-use std::borrow::{Borrow, BorrowMut};
-use std::collections::BTreeMap;
-use std::env;
-use std::io::{BufRead, Write};
-use std::str::FromStr;
-use std::sync::{mpsc, Arc, Mutex};
-use std::time::Duration;
-use tokio::task::JoinSet;
-
-pub fn find_resolution(
-    mut streaming_data: Vec<VariantData>,
-    resolution: &Resolution,
-) -> Option<VariantData> {
-    streaming_data.sort_by(|a, b| a.resolution.width.cmp(&b.resolution.width).reverse());
-    match resolution.height {
-        u64::MAX => Some(streaming_data.into_iter().next().unwrap()),
-        u64::MIN => Some(streaming_data.into_iter().last().unwrap()),
-        _ => streaming_data
-            .into_iter()
-            .find(|v| resolution.height == u64::MAX || v.resolution.height == resolution.height),
-    }
-}
-
-pub async fn download_segments(
-    ctx: &Context,
-    writer: &mut impl Write,
-    message: Option<String>,
-    variant_data: VariantData,
-) -> Result<()> {
-    let segments = variant_data.segments().await?;
-    let total_segments = segments.len();
-
-    let client = Arc::new(ctx.crunchy.client());
-    let count = Arc::new(Mutex::new(0));
-
-    let progress = if log::max_level() == LevelFilter::Info {
-        let estimated_file_size = (variant_data.bandwidth / 8)
-            * segments
-                .iter()
-                .map(|s| s.length.unwrap_or_default().as_secs())
-                .sum::<u64>();
-
-        let progress = ProgressBar::new(estimated_file_size)
-            .with_style(
-                ProgressStyle::with_template(
-                    ":: {msg}{bytes:>10} {bytes_per_sec:>12} [{wide_bar}] {percent:>3}%",
-                )
-                .unwrap()
-                .progress_chars("##-"),
-            )
-            .with_message(message.map(|m| m + " ").unwrap_or_default())
-            .with_finish(ProgressFinish::Abandon);
-        Some(progress)
-    } else {
-        None
-    };
-
-    let cpus = num_cpus::get();
-    let mut segs: Vec<Vec<VariantSegment>> = Vec::with_capacity(cpus);
-    for _ in 0..cpus {
-        segs.push(vec![])
-    }
-    for (i, segment) in segments.clone().into_iter().enumerate() {
-        segs[i - ((i / cpus) * cpus)].push(segment);
-    }
-
-    let (sender, receiver) = mpsc::channel();
-
-    let mut join_set: JoinSet<Result<()>> = JoinSet::new();
-    for num in 0..cpus {
-        let thread_client = client.clone();
-        let thread_sender = sender.clone();
-        let thread_segments = segs.remove(0);
-        let thread_count = count.clone();
-        join_set.spawn(async move {
-            let after_download_sender = thread_sender.clone();
-
-            // the download process is encapsulated in its own function. this is done to easily
-            // catch errors which get returned with `...?` and `bail!(...)` and that the thread
-            // itself can report that an error has occured
-            let download = || async move {
-                for (i, segment) in thread_segments.into_iter().enumerate() {
-                    let mut retry_count = 0;
-                    let mut buf = loop {
-                        let response = thread_client
-                            .get(&segment.url)
-                            .timeout(Duration::from_secs(60))
-                            .send()
-                            .await?;
-
-                        match response.bytes().await {
-                            Ok(b) => break b.to_vec(),
-                            Err(e) => {
-                                if e.is_body() {
-                                    if retry_count == 5 {
-                                        bail!("Max retry count reached ({}), multiple errors occured while receiving segment {}: {}", retry_count, num + (i * cpus), e)
-                                    }
-                                    debug!("Failed to download segment {} ({}). Retrying, {} out of 5 retries left", num + (i * cpus), e, 5 - retry_count)
-                                } else {
-                                    bail!("{}", e)
-                                }
-                            }
-                        }
-
-                        retry_count += 1;
-                    };
-
-                    buf = VariantSegment::decrypt(buf.borrow_mut(), segment.key)?.to_vec();
-
-                    let mut c = thread_count.lock().unwrap();
-                    debug!(
-                        "Downloaded and decrypted segment [{}/{} {:.2}%] {}",
-                        num + (i * cpus),
-                        total_segments,
-                        ((*c + 1) as f64 / total_segments as f64) * 100f64,
-                        segment.url
-                    );
-
-                    thread_sender.send((num as i32 + (i * cpus) as i32, buf))?;
-
-                    *c += 1;
-                }
-                Ok(())
-            };
-
-
-            let result = download().await;
-            if result.is_err() {
-                after_download_sender.send((-1 as i32, vec![]))?;
-            }
-
-            result
-        });
-    }
-    // drop the sender already here so it does not outlive all (download) threads which are the only
-    // real consumers of it
-    drop(sender);
-
-    // this is the main loop which writes the data. it uses a BTreeMap as a buffer as the write
-    // happens synchronized. the download consist of multiple segments. the map keys are representing
-    // the segment number and the values the corresponding bytes
-    let mut data_pos = 0;
-    let mut buf: BTreeMap<i32, Vec<u8>> = BTreeMap::new();
-    for (pos, bytes) in receiver.iter() {
-        // if the position is lower than 0, an error occured in the sending download thread
-        if pos < 0 {
-            break;
-        }
-
-        if let Some(p) = &progress {
-            let progress_len = p.length().unwrap();
-            let estimated_segment_len = (variant_data.bandwidth / 8)
-                * segments
-                    .get(pos as usize)
-                    .unwrap()
-                    .length
-                    .unwrap_or_default()
-                    .as_secs();
-            let bytes_len = bytes.len() as u64;
-
-            p.set_length(progress_len - estimated_segment_len + bytes_len);
-            p.inc(bytes_len)
-        }
-
-        // check if the currently sent bytes are the next in the buffer. if so, write them directly
-        // to the target without first adding them to the buffer.
-        // if not, add them to the buffer
-        if data_pos == pos {
-            writer.write_all(bytes.borrow())?;
-            data_pos += 1;
-        } else {
-            buf.insert(pos, bytes);
-        }
-        // check if the buffer contains the next segment(s)
-        while let Some(b) = buf.remove(&data_pos) {
-            writer.write_all(b.borrow())?;
-            data_pos += 1;
-        }
-    }
-
-    // if any error has occured while downloading it gets returned here
-    while let Some(joined) = join_set.join_next().await {
-        joined??
-    }
-
-    // write the remaining buffer, if existent
-    while let Some(b) = buf.remove(&data_pos) {
-        writer.write_all(b.borrow())?;
-        data_pos += 1;
-    }
-
-    if !buf.is_empty() {
-        bail!(
-            "Download buffer is not empty. Remaining segments: {}",
-            buf.into_keys()
-                .map(|k| k.to_string())
-                .collect::<Vec<String>>()
-                .join(", ")
-        )
-    }
-
-    Ok(())
-}
-
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub enum FFmpegPreset {
-    Predefined(FFmpegCodec, Option<FFmpegHwAccel>, FFmpegQuality),
-    Custom(Option<String>, Option<String>),
-}
-
-lazy_static! {
-    static ref PREDEFINED_PRESET: Regex = Regex::new(r"^\w+(-\w+)*?$").unwrap();
-}
-
-macro_rules! FFmpegEnum {
-    (enum $name:ident { $($field:ident),* }) => {
-        #[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
-        pub enum $name {
-            $(
-                $field
-            ),*,
-        }
-
-        impl $name {
-            fn all() -> Vec<$name> {
-                vec![
-                    $(
-                        $name::$field
-                    ),*,
-                ]
-            }
-        }
-
-        impl ToString for $name {
-            fn to_string(&self) -> String {
-                match self {
-                    $(
-                        &$name::$field => stringify!($field).to_string().to_lowercase()
-                    ),*
-                }
-            }
-        }
-
-        impl FromStr for $name {
-            type Err = anyhow::Error;
-
-            fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
-                match s {
-                    $(
-                        stringify!($field) => Ok($name::$field)
-                    ),*,
-                    _ => bail!("{} is not a valid {}", s, stringify!($name).to_lowercase())
-                }
-            }
-        }
-    }
-}
-
-FFmpegEnum! {
-    enum FFmpegCodec {
-        H264,
-        H265,
-        Av1
-    }
-}
-
-FFmpegEnum! {
-    enum FFmpegHwAccel {
-        Nvidia
-    }
-}
-
-FFmpegEnum! {
-    enum FFmpegQuality {
-        Lossless,
-        Normal,
-        Low
-    }
-}
-
-impl FFmpegPreset {
-    pub(crate) fn available_matches(
-    ) -> Vec<(FFmpegCodec, Option<FFmpegHwAccel>, Option<FFmpegQuality>)> {
-        let codecs = vec![
-            (
-                FFmpegCodec::H264,
-                FFmpegHwAccel::all(),
-                FFmpegQuality::all(),
-            ),
-            (
-                FFmpegCodec::H265,
-                FFmpegHwAccel::all(),
-                FFmpegQuality::all(),
-            ),
-            (FFmpegCodec::Av1, vec![], FFmpegQuality::all()),
-        ];
-
-        let mut return_values = vec![];
-
-        for (codec, hwaccels, qualities) in codecs {
-            return_values.push((codec.clone(), None, None));
-            for hwaccel in hwaccels.clone() {
-                return_values.push((codec.clone(), Some(hwaccel), None));
-            }
-            for quality in qualities.clone() {
-                return_values.push((codec.clone(), None, Some(quality)))
-            }
-            for hwaccel in hwaccels {
-                for quality in qualities.clone() {
-                    return_values.push((codec.clone(), Some(hwaccel.clone()), Some(quality)))
-                }
-            }
-        }
-
-        return_values
-    }
-
-    pub(crate) fn available_matches_human_readable() -> Vec<String> {
-        let mut return_values = vec![];
-
-        for (codec, hwaccel, quality) in FFmpegPreset::available_matches() {
-            let mut description_details = vec![];
-            if let Some(h) = &hwaccel {
-                description_details.push(format!("{} hardware acceleration", h.to_string()))
-            }
-            if let Some(q) = &quality {
-                description_details.push(format!("{} video quality/compression", q.to_string()))
-            }
-
-            let description = if description_details.len() == 0 {
-                format!(
-                    "{} encoded with default video quality/compression",
-                    codec.to_string()
-                )
-            } else if description_details.len() == 1 {
-                format!(
-                    "{} encoded with {}",
-                    codec.to_string(),
-                    description_details[0]
-                )
-            } else {
-                let first = description_details.remove(0);
-                let last = description_details.remove(description_details.len() - 1);
-                let mid = if !description_details.is_empty() {
-                    format!(", {} ", description_details.join(", "))
-                } else {
-                    "".to_string()
-                };
-
-                format!(
-                    "{} encoded with {}{} and {}",
-                    codec.to_string(),
-                    first,
-                    mid,
-                    last
-                )
-            };
-
-            return_values.push(format!(
-                "{} ({})",
-                vec![
-                    Some(codec.to_string()),
-                    hwaccel.map(|h| h.to_string()),
-                    quality.map(|q| q.to_string())
-                ]
-                .into_iter()
-                .flatten()
-                .collect::<Vec<String>>()
-                .join("-"),
-                description
-            ))
-        }
-        return_values
-    }
-
-    pub(crate) fn parse(s: &str) -> Result<FFmpegPreset, String> {
-        let env_ffmpeg_input_args = env::var("FFMPEG_INPUT_ARGS").ok();
-        let env_ffmpeg_output_args = env::var("FFMPEG_OUTPUT_ARGS").ok();
-
-        if env_ffmpeg_input_args.is_some() || env_ffmpeg_output_args.is_some() {
-            if let Some(input) = &env_ffmpeg_input_args {
-                if shlex::split(input).is_none() {
-                    return Err(format!("Failed to parse custom ffmpeg input '{}' (`FFMPEG_INPUT_ARGS` env variable)", input));
-                }
-            }
-            if let Some(output) = &env_ffmpeg_output_args {
-                if shlex::split(output).is_none() {
-                    return Err(format!("Failed to parse custom ffmpeg output '{}' (`FFMPEG_INPUT_ARGS` env variable)", output));
-                }
-            }
-
-            return Ok(FFmpegPreset::Custom(
-                env_ffmpeg_input_args,
-                env_ffmpeg_output_args,
-            ));
-        } else if !PREDEFINED_PRESET.is_match(s) {
-            return Ok(FFmpegPreset::Custom(None, Some(s.to_string())));
-        }
-
-        let mut codec: Option<FFmpegCodec> = None;
-        let mut hwaccel: Option<FFmpegHwAccel> = None;
-        let mut quality: Option<FFmpegQuality> = None;
-        for token in s.split('-') {
-            if let Some(c) = FFmpegCodec::all()
-                .into_iter()
-                .find(|p| p.to_string() == token.to_lowercase())
-            {
-                if let Some(cc) = codec {
-                    return Err(format!(
-                        "cannot use multiple codecs (found {} and {})",
-                        cc.to_string(),
-                        c.to_string()
-                    ));
-                }
-                codec = Some(c)
-            } else if let Some(h) = FFmpegHwAccel::all()
-                .into_iter()
-                .find(|p| p.to_string() == token.to_lowercase())
-            {
-                if let Some(hh) = hwaccel {
-                    return Err(format!(
-                        "cannot use multiple hardware accelerations (found {} and {})",
-                        hh.to_string(),
-                        h.to_string()
-                    ));
-                }
-                hwaccel = Some(h)
-            } else if let Some(q) = FFmpegQuality::all()
-                .into_iter()
-                .find(|p| p.to_string() == token.to_lowercase())
-            {
-                if let Some(qq) = quality {
-                    return Err(format!(
-                        "cannot use multiple ffmpeg preset qualities (found {} and {})",
-                        qq.to_string(),
-                        q.to_string()
-                    ));
-                }
-                quality = Some(q)
-            } else {
-                return Err(format!(
-                    "'{}' is not a valid ffmpeg preset (unknown token '{}'",
-                    s, token
-                ));
-            }
-        }
-
-        if let Some(c) = codec {
-            if !FFmpegPreset::available_matches().contains(&(
-                c.clone(),
-                hwaccel.clone(),
-                quality.clone(),
-            )) {
-                return Err(format!("ffmpeg preset is not supported"));
-            }
-            Ok(FFmpegPreset::Predefined(
-                c,
-                hwaccel,
-                quality.unwrap_or(FFmpegQuality::Normal),
-            ))
-        } else {
-            Err(format!("cannot use ffmpeg preset with without a codec"))
-        }
-    }
-
-    pub(crate) fn to_input_output_args(self) -> (Vec<String>, Vec<String>) {
-        match self {
-            FFmpegPreset::Custom(input, output) => (
-                input.map_or(vec![], |i| shlex::split(&i).unwrap_or_default()),
-                output.map_or(vec![], |o| shlex::split(&o).unwrap_or_default()),
-            ),
-            FFmpegPreset::Predefined(codec, hwaccel_opt, quality) => {
-                let mut input = vec![];
-                let mut output = vec![];
-
-                match codec {
-                    FFmpegCodec::H264 => {
-                        if let Some(hwaccel) = hwaccel_opt {
-                            match hwaccel {
-                                FFmpegHwAccel::Nvidia => {
-                                    input.extend(["-hwaccel", "cuda", "-hwaccel_output_format", "cuda", "-c:v", "h264_cuvid"]);
-                                    output.extend(["-c:v", "h264_nvenc", "-c:a", "copy"])
-                                }
-                            }
-                        } else {
-                            output.extend(["-c:v", "libx264", "-c:a", "copy"])
-                        }
-
-                        match quality {
-                            FFmpegQuality::Lossless => output.extend(["-crf", "18"]),
-                            FFmpegQuality::Normal => (),
-                            FFmpegQuality::Low => output.extend(["-crf", "35"]),
-                        }
-                    }
-                    FFmpegCodec::H265 => {
-                        if let Some(hwaccel) = hwaccel_opt {
-                            match hwaccel {
-                                FFmpegHwAccel::Nvidia => {
-                                    input.extend(["-hwaccel", "cuda", "-hwaccel_output_format", "cuda", "-c:v", "h264_cuvid"]);
-                                    output.extend(["-c:v", "hevc_nvenc", "-c:a", "copy"])
-                                }
-                            }
-                        } else {
-                            output.extend(["-c:v", "libx265", "-c:a", "copy"])
-                        }
-
-                        match quality {
-                            FFmpegQuality::Lossless => output.extend(["-crf", "20"]),
-                            FFmpegQuality::Normal => (),
-                            FFmpegQuality::Low => output.extend(["-crf", "35"]),
-                        }
-                    }
-                    FFmpegCodec::Av1 => {
-                        output.extend(["-c:v", "libsvtav1", "-c:a", "copy"]);
-
-                        match quality {
-                            FFmpegQuality::Lossless => output.extend(["-crf", "22"]),
-                            FFmpegQuality::Normal => (),
-                            FFmpegQuality::Low => output.extend(["-crf", "35"]),
-                        }
-                    }
-                }
-
-                (
-                    input
-                        .into_iter()
-                        .map(|s| s.to_string())
-                        .collect::<Vec<String>>(),
-                    output
-                        .into_iter()
-                        .map(|s| s.to_string())
-                        .collect::<Vec<String>>(),
-                )
-            }
-        }
-    }
-}
-
-lazy_static! {
-    static ref DUPLICATED_SEASONS_MULTILANG_REGEX: Regex = Regex::new(r"(-arabic|-castilian|-english|-english-in|-french|-german|-hindi|-italian|-portuguese|-russian|-spanish)$").unwrap();
-}
-
-pub(crate) fn find_multiple_seasons_with_same_number(seasons: &Vec<Media<Season>>) -> Vec<u32> {
-    let mut seasons_map: BTreeMap<u32, u32> = BTreeMap::new();
-    for season in seasons {
-        if let Some(s) = seasons_map.get_mut(&season.metadata.season_number) {
-            *s += 1;
-        } else {
-            seasons_map.insert(season.metadata.season_number, 1);
-        }
-    }
-
-    seasons_map
-        .into_iter()
-        .filter_map(|(k, v)| {
-            if v > 1 {
-                // check if the different seasons are actual the same but with different dub languages
-                let mut multilang_season_vec: Vec<String> = seasons
-                    .iter()
-                    .map(|s| {
-                        DUPLICATED_SEASONS_MULTILANG_REGEX
-                            .replace(s.slug_title.trim_end_matches("-dub"), "")
-                            .to_string()
-                    })
-                    .collect();
-                multilang_season_vec.dedup();
-
-                if multilang_season_vec.len() > 1 {
-                    return Some(k);
-                }
-            }
-            None
-        })
-        .collect()
-}
-
-/// Check if [`Locale::Custom("all")`] is in the provided locale list and return [`Locale::all`] if
-/// so. If not, just return the provided locale list.
-pub(crate) fn all_locale_in_locales(locales: Vec<Locale>) -> Vec<Locale> {
-    if locales
-        .iter()
-        .find(|l| l.to_string().to_lowercase().trim() == "all")
-        .is_some()
-    {
-        Locale::all()
-    } else {
-        locales
-    }
-}
-
-pub(crate) fn interactive_season_choosing(seasons: Vec<Media<Season>>) -> Vec<Media<Season>> {
-    let input_regex =
-        Regex::new(r"((?P<single>\d+)|(?P<range_from>\d+)-(?P<range_to>\d+)?)(\s|$)").unwrap();
-
-    let mut seasons_map: BTreeMap<u32, Vec<Media<Season>>> = BTreeMap::new();
-    for season in seasons {
-        if let Some(s) = seasons_map.get_mut(&season.metadata.season_number) {
-            s.push(season);
-        } else {
-            seasons_map.insert(season.metadata.season_number, vec![season]);
-        }
-    }
-
-    for (num, season_vec) in seasons_map.iter_mut() {
-        if season_vec.len() == 1 {
-            continue;
-        }
-
-        // check if the different seasons are actual the same but with different dub languages
-        let mut multilang_season_vec: Vec<String> = season_vec
-            .iter()
-            .map(|s| {
-                DUPLICATED_SEASONS_MULTILANG_REGEX
-                    .replace(s.slug_title.trim_end_matches("-dub"), "")
-                    .to_string()
-            })
-            .collect();
-        multilang_season_vec.dedup();
-
-        if multilang_season_vec.len() == 1 {
-            continue;
-        }
-
-        println!(":: Found multiple seasons for season number {}", num);
-        println!(":: Select the number of the seasons you want to download (eg \"1 2 4\", \"1-3\", \"1-3 5\"):");
-        for (i, season) in season_vec.iter().enumerate() {
-            println!(":: \t{}. {}", i + 1, season.title)
-        }
-        let mut stdout = std::io::stdout();
-        let _ = write!(stdout, ":: => ");
-        let _ = stdout.flush();
-        let mut user_input = String::new();
-        std::io::stdin()
-            .lock()
-            .read_line(&mut user_input)
-            .expect("cannot open stdin");
-
-        let mut nums = vec![];
-        for capture in input_regex.captures_iter(&user_input) {
-            if let Some(single) = capture.name("single") {
-                nums.push(single.as_str().parse::<usize>().unwrap() - 1);
-            } else {
-                let range_from = capture.name("range_from");
-                let range_to = capture.name("range_to");
-
-                // input is '-' which means use all seasons
-                if range_from.is_none() && range_to.is_none() {
-                    nums = vec![];
-                    break;
-                }
-                let from = range_from
-                    .map(|f| f.as_str().parse::<usize>().unwrap() - 1)
-                    .unwrap_or(usize::MIN);
-                let to = range_from
-                    .map(|f| f.as_str().parse::<usize>().unwrap() - 1)
-                    .unwrap_or(usize::MAX);
-
-                nums.extend(
-                    season_vec
-                        .iter()
-                        .enumerate()
-                        .filter_map(|(i, _)| if i >= from && i <= to { Some(i) } else { None })
-                        .collect::<Vec<usize>>(),
-                )
-            }
-        }
-        nums.dedup();
-
-        if !nums.is_empty() {
-            let mut remove_count = 0;
-            for i in 0..season_vec.len() - 1 {
-                if !nums.contains(&i) {
-                    season_vec.remove(i - remove_count);
-                    remove_count += 1
-                }
-            }
-        }
-    }
-
-    seasons_map
-        .into_values()
-        .into_iter()
-        .flatten()
-        .collect::<Vec<Media<Season>>>()
-}

crunchy-cli-core/src/download/command.rs

@@ -0,0 +1,151 @@
+use crate::download::filter::DownloadFilter;
+use crate::utils::context::Context;
+use crate::utils::ffmpeg::FFmpegPreset;
+use crate::utils::filter::Filter;
+use crate::utils::format::formats_visual_output;
+use crate::utils::log::progress;
+use crate::utils::os::{free_file, has_ffmpeg};
+use crate::utils::parse::parse_url;
+use crate::Execute;
+use anyhow::bail;
+use anyhow::Result;
+use crunchyroll_rs::media::Resolution;
+use crunchyroll_rs::Locale;
+use log::{debug, warn};
+use std::path::Path;
+
+#[derive(Clone, Debug, clap::Parser)]
+#[clap(about = "Download a video")]
+#[command(arg_required_else_help(true))]
+pub struct Download {
+    #[arg(help = format!("Audio language. Can only be used if the provided url(s) point to a series. \
+    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
+    #[arg(long_help = format!("Audio language. Can only be used if the provided url(s) point to a series. \
+    Available languages are:\n{}", Locale::all().into_iter().map(|l| format!("{:<6} → {}", l.to_string(), l.to_human_readable())).collect::<Vec<String>>().join("\n  ")))]
+    #[arg(short, long, default_value_t = crate::utils::locale::system_locale())]
+    pub(crate) audio: Locale,
+    #[arg(help = format!("Subtitle language. Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
+    #[arg(long_help = format!("Subtitle language. If set, the subtitle will be burned into the video and cannot be disabled. \
+    Available languages are: {}", Locale::all().into_iter().map(|l| l.to_string()).collect::<Vec<String>>().join(", ")))]
+    #[arg(short, long)]
+    pub(crate) subtitle: Option<Locale>,
+
+    #[arg(help = "Name of the output file")]
+    #[arg(long_help = "Name of the output file.\
+    If you use one of the following pattern they will get replaced:\n  \
+      {title}                   → Title of the video\n  \
+      {series_name}             → Name of the series\n  \
+      {season_name}             → Name of the season\n  \
+      {audio}                   → Audio language of the video\n  \
+      {resolution}              → Resolution of the video\n  \
+      {season_number}           → Number of the season\n  \
+      {episode_number}          → Number of the episode\n  \
+      {relative_episode_number} → Number of the episode relative to its season\
+      {series_id}               → ID of the series\n  \
+      {season_id}               → ID of the season\n  \
+      {episode_id}              → ID of the episode")]
+    #[arg(short, long, default_value = "{title}.mp4")]
+    pub(crate) output: String,
+
+    #[arg(help = "Video resolution")]
+    #[arg(long_help = "The video resolution.\
+    Can either be specified via the pixels (e.g. 1920x1080), the abbreviation for pixels (e.g. 1080p) or 'common-use' words (e.g. best). \
+    Specifying the exact pixels is not recommended, use one of the other options instead. \
+    Crunchyroll let you choose the quality with pixel abbreviation on their clients, so you might be already familiar with the available options. \
+    The available common-use words are 'best' (choose the best resolution available) and 'worst' (worst resolution available)")]
+    #[arg(short, long, default_value = "best")]
+    #[arg(value_parser = crate::utils::clap::clap_parse_resolution)]
+    pub(crate) resolution: Resolution,
+
+    #[arg(help = format!("Presets for video converting. Can be used multiple times. \
+    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
+    #[arg(long_help = format!("Presets for video converting. Can be used multiple times. \
+    Generally used to minify the file size with keeping (nearly) the same quality. \
+    It is recommended to only use this if you download videos with high resolutions since low resolution videos tend to result in a larger file with any of the provided presets. \
+    Available presets: \n  {}", FFmpegPreset::available_matches_human_readable().join("\n  ")))]
+    #[arg(long)]
+    #[arg(value_parser = FFmpegPreset::parse)]
+    pub(crate) ffmpeg_preset: Option<FFmpegPreset>,
+
+    #[arg(help = "Skip files which are already existing")]
+    #[arg(long, default_value_t = false)]
+    pub(crate) skip_existing: bool,
+
+    #[arg(help = "Url(s) to Crunchyroll episodes or series")]
+    pub(crate) urls: Vec<String>,
+}
+
+#[async_trait::async_trait(?Send)]
+impl Execute for Download {
+    fn pre_check(&mut self) -> Result<()> {
+        if !has_ffmpeg() {
+            bail!("FFmpeg is needed to run this command")
+        } else if Path::new(&self.output)
+            .extension()
+            .unwrap_or_default()
+            .is_empty()
+            && self.output != "-"
+        {
+            bail!("No file extension found. Please specify a file extension (via `-o`) for the output file")
+        }
+
+        if self.subtitle.is_some() {
+            if let Some(ext) = Path::new(&self.output).extension() {
+                if ext.to_string_lossy() != "mp4" {
+                    warn!("Detected a non mp4 output container. Adding subtitles may take a while")
+                }
+            }
+        }
+
+        Ok(())
+    }
+
+    async fn execute(self, ctx: Context) -> Result<()> {
+        let mut parsed_urls = vec![];
+
+        for (i, url) in self.urls.clone().into_iter().enumerate() {
+            let progress_handler = progress!("Parsing url {}", i + 1);
+            match parse_url(&ctx.crunchy, url.clone(), true).await {
+                Ok((media_collection, url_filter)) => {
+                    progress_handler.stop(format!("Parsed url {}", i + 1));
+                    parsed_urls.push((media_collection, url_filter))
+                }
+                Err(e) => bail!("url {} could not be parsed: {}", url, e),
+            };
+        }
+
+        for (i, (media_collection, url_filter)) in parsed_urls.into_iter().enumerate() {
+            let progress_handler = progress!("Fetching series details");
+            let download_formats = DownloadFilter::new(url_filter, self.clone())
+                .visit(media_collection)
+                .await?;
+
+            if download_formats.is_empty() {
+                progress_handler.stop(format!("Skipping url {} (no matching videos found)", i + 1));
+                continue;
+            }
+            progress_handler.stop(format!("Loaded series information for url {}", i + 1));
+
+            formats_visual_output(download_formats.iter().map(|(_, f)| f).collect());
+
+            for (downloader, format) in download_formats {
+                let formatted_path = format.format_path((&self.output).into(), true);
+                let (path, changed) = free_file(formatted_path.clone());
+
+                if changed && self.skip_existing {
+                    debug!(
+                        "Skipping already existing file '{}'",
+                        formatted_path.to_string_lossy()
+                    );
+                    continue;
+                }
+
+                format.visual_output(&path);
+
+                downloader.download(&ctx, &path).await?
+            }
+        }
+
+        Ok(())
+    }
+}

crunchy-cli-core/src/download/filter.rs

@@ -0,0 +1,355 @@
+use crate::download::Download;
+use crate::utils::download::{DownloadBuilder, DownloadFormat, Downloader};
+use crate::utils::filter::Filter;
+use crate::utils::format::{Format, SingleFormat};
+use crate::utils::parse::UrlFilter;
+use crate::utils::video::variant_data_from_stream;
+use anyhow::{bail, Result};
+use crunchyroll_rs::media::{Subtitle, VariantData};
+use crunchyroll_rs::{Concert, Episode, Movie, MovieListing, MusicVideo, Season, Series};
+use log::{error, warn};
+use std::collections::HashMap;
+
+pub(crate) struct FilterResult {
+    format: SingleFormat,
+    video: VariantData,
+    audio: VariantData,
+    subtitle: Option<Subtitle>,
+}
+
+pub(crate) struct DownloadFilter {
+    url_filter: UrlFilter,
+    download: Download,
+    season_episode_count: HashMap<u32, Vec<String>>,
+    season_subtitles_missing: Vec<u32>,
+}
+
+impl DownloadFilter {
+    pub(crate) fn new(url_filter: UrlFilter, download: Download) -> Self {
+        Self {
+            url_filter,
+            download,
+            season_episode_count: HashMap::new(),
+            season_subtitles_missing: vec![],
+        }
+    }
+}
+
+#[async_trait::async_trait]
+impl Filter for DownloadFilter {
+    type T = FilterResult;
+    type Output = (Downloader, Format);
+
+    async fn visit_series(&mut self, series: Series) -> Result<Vec<Season>> {
+        // `series.audio_locales` isn't always populated b/c of crunchyrolls api. so check if the
+        // audio is matching only if the field is populated
+        if !series.audio_locales.is_empty() {
+            if !series.audio_locales.contains(&self.download.audio) {
+                error!(
+                    "Series {} is not available with {} audio",
+                    series.title, self.download.audio
+                );
+                return Ok(vec![]);
+            }
+        }
+
+        let seasons = series.seasons().await?;
+
+        Ok(seasons)
+    }
+
+    async fn visit_season(&mut self, mut season: Season) -> Result<Vec<Episode>> {
+        if !self.url_filter.is_season_valid(season.season_number) {
+            return Ok(vec![]);
+        }
+
+        if !season
+            .audio_locales
+            .iter()
+            .any(|l| l == &self.download.audio)
+        {
+            if season
+                .available_versions()
+                .await?
+                .iter()
+                .any(|l| l == &self.download.audio)
+            {
+                season = season
+                    .version(vec![self.download.audio.clone()])
+                    .await?
+                    .remove(0)
+            } else {
+                error!(
+                    "Season {} - '{}' is not available with {} audio",
+                    season.season_number,
+                    season.title,
+                    self.download.audio.clone(),
+                );
+                return Ok(vec![]);
+            }
+        }
+
+        let mut episodes = season.episodes().await?;
+
+        if Format::has_relative_episodes_fmt(&self.download.output) {
+            for episode in episodes.iter() {
+                self.season_episode_count
+                    .entry(episode.season_number)
+                    .or_insert(vec![])
+                    .push(episode.id.clone())
+            }
+        }
+
+        episodes.retain(|e| {
+            self.url_filter
+                .is_episode_valid(e.episode_number, season.season_number)
+        });
+
+        Ok(episodes)
+    }
+
+    async fn visit_episode(&mut self, mut episode: Episode) -> Result<Option<Self::T>> {
+        if !self
+            .url_filter
+            .is_episode_valid(episode.episode_number, episode.season_number)
+        {
+            return Ok(None);
+        }
+
+        // check if the audio locale is correct.
+        // should only be incorrect if the console input was a episode url. otherwise
+        // `DownloadFilter::visit_season` returns the correct episodes with matching audio
+        if episode.audio_locale != self.download.audio {
+            // check if any other version (same episode, other language) of this episode is available
+            // with the requested audio. if not, return an error
+            if !episode
+                .available_versions()
+                .await?
+                .contains(&self.download.audio)
+            {
+                bail!(
+                    "Episode {} ({}) of {} season {} is not available with {} audio",
+                    episode.episode_number,
+                    episode.title,
+                    episode.series_title,
+                    episode.season_number,
+                    self.download.audio
+                )
+            }
+            // overwrite the current episode with the other version episode
+            episode = episode
+                .version(vec![self.download.audio.clone()])
+                .await?
+                .remove(0)
+        }
+
+        // check if the subtitles are supported
+        if let Some(subtitle_locale) = &self.download.subtitle {
+            if !episode.subtitle_locales.contains(subtitle_locale) {
+                // if the episode doesn't have the requested subtitles, print a error. to print this
+                // error only once per season, it's checked if an error got printed before by looking
+                // up if the season id is present in `self.season_subtitles_missing`. if not, print
+                // the error and add the season id to `self.season_subtitles_missing`. if it is
+                // present, skip the error printing
+                if !self
+                    .season_subtitles_missing
+                    .contains(&episode.season_number)
+                {
+                    self.season_subtitles_missing.push(episode.season_number);
+                    error!(
+                        "{} season {} is not available with {} subtitles",
+                        episode.series_title, episode.season_number, subtitle_locale
+                    );
+                }
+                return Ok(None);
+            }
+        }
+
+        // get the correct video stream
+        let stream = episode.streams().await?;
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.download.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}) is not available for episode {} ({}) of {} season {}",
+                self.download.resolution,
+                episode.episode_number,
+                episode.title,
+                episode.series_title,
+                episode.season_number,
+            )
+        };
+
+        // it is assumed that the subtitle, if requested, exists b/c the subtitle check above must
+        // be passed to reach this condition.
+        // the check isn't done in this if block to reduce unnecessary fetching of the stream
+        let subtitle = if let Some(subtitle_locale) = &self.download.subtitle {
+            stream.subtitles.get(subtitle_locale).map(|s| s.clone())
+        } else {
+            None
+        };
+
+        // get the relative episode number. only done if the output string has the pattern to include
+        // the relative episode number as this requires some extra fetching
+        let relative_episode_number = if Format::has_relative_episodes_fmt(&self.download.output) {
+            if self
+                .season_episode_count
+                .get(&episode.season_number)
+                .is_none()
+            {
+                let season_episodes = episode.season().await?.episodes().await?;
+                self.season_episode_count.insert(
+                    episode.season_number,
+                    season_episodes.into_iter().map(|e| e.id).collect(),
+                );
+            }
+            let relative_episode_number = self
+                .season_episode_count
+                .get(&episode.season_number)
+                .unwrap()
+                .iter()
+                .position(|id| id == &episode.id);
+            if relative_episode_number.is_none() {
+                warn!(
+                    "Failed to get relative episode number for episode {} ({}) of {} season {}",
+                    episode.episode_number,
+                    episode.title,
+                    episode.series_title,
+                    episode.season_number,
+                )
+            }
+            relative_episode_number
+        } else {
+            None
+        };
+
+        Ok(Some(FilterResult {
+            format: SingleFormat::new_from_episode(
+                &episode,
+                &video,
+                subtitle.clone().map_or(vec![], |s| vec![s.locale]),
+                relative_episode_number.map(|n| n as u32),
+            ),
+            video,
+            audio,
+            subtitle,
+        }))
+    }
+
+    async fn visit_movie_listing(&mut self, movie_listing: MovieListing) -> Result<Vec<Movie>> {
+        Ok(movie_listing.movies().await?)
+    }
+
+    async fn visit_movie(&mut self, movie: Movie) -> Result<Option<Self::T>> {
+        let stream = movie.streams().await?;
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.download.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}) of movie '{}' is not available",
+                self.download.resolution,
+                movie.title
+            )
+        };
+        let subtitle = if let Some(subtitle_locale) = &self.download.subtitle {
+            let Some(subtitle) = stream.subtitles.get(subtitle_locale) else {
+                error!(
+                    "Movie '{}' has no {} subtitles",
+                    movie.title,
+                    subtitle_locale
+                );
+                return Ok(None)
+            };
+            Some(subtitle.clone())
+        } else {
+            None
+        };
+
+        Ok(Some(FilterResult {
+            format: SingleFormat::new_from_movie(
+                &movie,
+                &video,
+                subtitle.clone().map_or(vec![], |s| vec![s.locale]),
+            ),
+            video,
+            audio,
+            subtitle,
+        }))
+    }
+
+    async fn visit_music_video(&mut self, music_video: MusicVideo) -> Result<Option<Self::T>> {
+        let stream = music_video.streams().await?;
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.download.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}) of music video {} is not available",
+                self.download.resolution,
+                music_video.title
+            )
+        };
+
+        Ok(Some(FilterResult {
+            format: SingleFormat::new_from_music_video(&music_video, &video),
+            video,
+            audio,
+            subtitle: None,
+        }))
+    }
+
+    async fn visit_concert(&mut self, concert: Concert) -> Result<Option<Self::T>> {
+        let stream = concert.streams().await?;
+        let (video, audio) = if let Some((video, audio)) =
+            variant_data_from_stream(&stream, &self.download.resolution).await?
+        {
+            (video, audio)
+        } else {
+            bail!(
+                "Resolution ({}) of music video {} is not available",
+                self.download.resolution,
+                concert.title
+            )
+        };
+
+        Ok(Some(FilterResult {
+            format: SingleFormat::new_from_concert(&concert, &video),
+            video,
+            audio,
+            subtitle: None,
+        }))
+    }
+
+    async fn finish(self, mut input: Vec<Self::T>) -> Result<Vec<Self::Output>> {
+        let mut result = vec![];
+        input.sort_by(|a, b| {
+            a.format
+                .sequence_number
+                .total_cmp(&b.format.sequence_number)
+        });
+        for data in input {
+            let mut download_builder =
+                DownloadBuilder::new().default_subtitle(self.download.subtitle.clone());
+            // set the output format to mpegts / mpeg transport stream if the output file is stdout.
+            // mp4 isn't used here as the output file must be readable which isn't possible when
+            // writing to stdout
+            if self.download.output == "-" {
+                download_builder = download_builder.output_format(Some("mpegts".to_string()))
+            }
+            let mut downloader = download_builder.build();
+            downloader.add_format(DownloadFormat {
+                video: (data.video, data.format.audio.clone()),
+                audios: vec![(data.audio, data.format.audio.clone())],
+                subtitles: data.subtitle.map_or(vec![], |s| vec![s]),
+            });
+            result.push((downloader, Format::from_single_formats(vec![data.format])))
+        }
+
+        Ok(result)
+    }
+}

crunchy-cli-core/src/download/mod.rs

@@ -0,0 +1,4 @@
+mod command;
+mod filter;
+
+pub use command::Download;

crunchy-cli-core/src/lib.rs

@@ -1,7 +1,6 @@
-use crate::cli::log::CliLogger;
 use crate::utils::context::Context;
 use crate::utils::locale::system_locale;
-use crate::utils::log::progress;
+use crate::utils::log::{progress, CliLogger};
 use anyhow::bail;
 use anyhow::Result;
 use clap::{Parser, Subcommand};
@@ -9,10 +8,14 @@ use crunchyroll_rs::{Crunchyroll, Locale};
 use log::{debug, error, warn, LevelFilter};
 use std::{env, fs};
 
-mod cli;
+mod archive;
+mod download;
+mod login;
 mod utils;
 
-pub use cli::{archive::Archive, download::Download, login::Login};
+pub use archive::Archive;
+pub use download::Download;
+pub use login::Login;
 
 #[async_trait::async_trait(?Send)]
 trait Execute {
@@ -35,6 +38,15 @@ pub struct Cli {
     #[arg(long)]
     lang: Option<Locale>,
 
+    #[arg(help = "Enable experimental fixes which may resolve some unexpected errors")]
+    #[arg(
+        long_help = "Enable experimental fixes which may resolve some unexpected errors. \
+            If everything works as intended this option isn't needed, but sometimes Crunchyroll mislabels \
+            the audio of a series/season or episode or returns a wrong season number. This is when using this option might help to solve the issue"
+    )]
+    #[arg(long, default_value_t = false)]
+    experimental_fixes: bool,
+
     #[clap(flatten)]
     login_method: LoginMethod,
 
@@ -222,9 +234,14 @@ async fn crunchyroll_session(cli: &Cli) -> Result<Crunchyroll> {
         lang
     };
 
-    let builder = Crunchyroll::builder()
+    let mut builder = Crunchyroll::builder()
         .locale(locale)
-        .stabilization_locales(true);
+        .stabilization_locales(cli.experimental_fixes)
+        .stabilization_season_number(cli.experimental_fixes);
+
+    if let Command::Download(download) = &cli.command {
+        builder = builder.preferred_audio_locale(download.audio.clone())
+    }
 
     let login_methods_count = cli.login_method.credentials.is_some() as u8
         + cli.login_method.etp_rt.is_some() as u8
@@ -232,7 +249,7 @@ async fn crunchyroll_session(cli: &Cli) -> Result<Crunchyroll> {
 
     let progress_handler = progress!("Logging in");
     if login_methods_count == 0 {
-        if let Some(login_file_path) = cli::login::login_file_path() {
+        if let Some(login_file_path) = login::login_file_path() {
             if login_file_path.exists() {
                 let session = fs::read_to_string(login_file_path)?;
                 if let Some((token_type, token)) = session.split_once(':') {

crunchy-cli-core/src/login/mod.rs

@@ -0,0 +1,4 @@
+mod command;
+
+pub use command::login_file_path;
+pub use command::Login;

crunchy-cli-core/src/utils/download.rs

@@ -0,0 +1,662 @@
+use crate::utils::context::Context;
+use crate::utils::ffmpeg::FFmpegPreset;
+use crate::utils::log::progress;
+use crate::utils::os::tempfile;
+use anyhow::{bail, Result};
+use chrono::NaiveTime;
+use crunchyroll_rs::media::{Subtitle, VariantData, VariantSegment};
+use crunchyroll_rs::Locale;
+use indicatif::{ProgressBar, ProgressFinish, ProgressStyle};
+use log::{debug, LevelFilter};
+use regex::Regex;
+use std::borrow::Borrow;
+use std::borrow::BorrowMut;
+use std::collections::BTreeMap;
+use std::io::Write;
+use std::path::Path;
+use std::process::{Command, Stdio};
+use std::sync::{mpsc, Arc, Mutex};
+use std::time::Duration;
+use tempfile::TempPath;
+use tokio::task::JoinSet;
+
+#[derive(Clone, Debug)]
+pub enum MergeBehavior {
+    Video,
+    Audio,
+    Auto,
+}
+
+impl MergeBehavior {
+    pub fn parse(s: &str) -> Result<MergeBehavior, String> {
+        Ok(match s.to_lowercase().as_str() {
+            "video" => MergeBehavior::Video,
+            "audio" => MergeBehavior::Audio,
+            "auto" => MergeBehavior::Auto,
+            _ => return Err(format!("'{}' is not a valid merge behavior", s)),
+        })
+    }
+}
+
+#[derive(derive_setters::Setters)]
+pub struct DownloadBuilder {
+    ffmpeg_preset: FFmpegPreset,
+    default_subtitle: Option<Locale>,
+    output_format: Option<String>,
+    audio_sort: Option<Vec<Locale>>,
+    subtitle_sort: Option<Vec<Locale>>,
+}
+
+impl DownloadBuilder {
+    pub fn new() -> DownloadBuilder {
+        Self {
+            ffmpeg_preset: FFmpegPreset::default(),
+            default_subtitle: None,
+            output_format: None,
+            audio_sort: None,
+            subtitle_sort: None,
+        }
+    }
+
+    pub fn build(self) -> Downloader {
+        Downloader {
+            ffmpeg_preset: self.ffmpeg_preset,
+            default_subtitle: self.default_subtitle,
+            output_format: self.output_format,
+            audio_sort: self.audio_sort,
+            subtitle_sort: self.subtitle_sort,
+
+            formats: vec![],
+        }
+    }
+}
+
+struct FFmpegMeta {
+    path: TempPath,
+    language: Locale,
+    title: String,
+}
+
+pub struct DownloadFormat {
+    pub video: (VariantData, Locale),
+    pub audios: Vec<(VariantData, Locale)>,
+    pub subtitles: Vec<Subtitle>,
+}
+
+pub struct Downloader {
+    ffmpeg_preset: FFmpegPreset,
+    default_subtitle: Option<Locale>,
+    output_format: Option<String>,
+    audio_sort: Option<Vec<Locale>>,
+    subtitle_sort: Option<Vec<Locale>>,
+
+    formats: Vec<DownloadFormat>,
+}
+
+impl Downloader {
+    pub fn add_format(&mut self, format: DownloadFormat) {
+        self.formats.push(format);
+    }
+
+    pub async fn download(mut self, ctx: &Context, dst: &Path) -> Result<()> {
+        if let Some(audio_sort_locales) = &self.audio_sort {
+            self.formats.sort_by(|a, b| {
+                audio_sort_locales
+                    .iter()
+                    .position(|l| l == &a.video.1)
+                    .cmp(&audio_sort_locales.iter().position(|l| l == &b.video.1))
+            });
+        }
+        for format in self.formats.iter_mut() {
+            if let Some(audio_sort_locales) = &self.audio_sort {
+                format.audios.sort_by(|(_, a), (_, b)| {
+                    audio_sort_locales
+                        .iter()
+                        .position(|l| l == a)
+                        .cmp(&audio_sort_locales.iter().position(|l| l == b))
+                })
+            }
+            if let Some(subtitle_sort) = &self.subtitle_sort {
+                format.subtitles.sort_by(|a, b| {
+                    subtitle_sort
+                        .iter()
+                        .position(|l| l == &a.locale)
+                        .cmp(&subtitle_sort.iter().position(|l| l == &b.locale))
+                })
+            }
+        }
+
+        let mut videos = vec![];
+        let mut audios = vec![];
+        let mut subtitles = vec![];
+
+        for (i, format) in self.formats.iter().enumerate() {
+            let fmt_space = format
+                .audios
+                .iter()
+                .map(|(_, locale)| format!("Downloading {} audio", locale).len())
+                .max()
+                .unwrap();
+
+            let video_path = self
+                .download_video(
+                    ctx,
+                    &format.video.0,
+                    format!("{:<1$}", format!("Downloading video #{}", i + 1), fmt_space),
+                )
+                .await?;
+            for (variant_data, locale) in format.audios.iter() {
+                let audio_path = self
+                    .download_audio(
+                        ctx,
+                        variant_data,
+                        format!("{:<1$}", format!("Downloading {} audio", locale), fmt_space),
+                    )
+                    .await?;
+                audios.push(FFmpegMeta {
+                    path: audio_path,
+                    language: locale.clone(),
+                    title: if i == 0 {
+                        locale.to_human_readable()
+                    } else {
+                        format!("{} [Video: #{}]", locale.to_human_readable(), i + 1)
+                    },
+                })
+            }
+            let len = get_video_length(&video_path)?;
+            for subtitle in format.subtitles.iter() {
+                let subtitle_path = self.download_subtitle(subtitle.clone(), len).await?;
+                subtitles.push(FFmpegMeta {
+                    path: subtitle_path,
+                    language: subtitle.locale.clone(),
+                    title: if i == 0 {
+                        subtitle.locale.to_human_readable()
+                    } else {
+                        format!(
+                            "{} [Video: #{}]",
+                            subtitle.locale.to_human_readable(),
+                            i + 1
+                        )
+                    },
+                })
+            }
+            videos.push(FFmpegMeta {
+                path: video_path,
+                language: format.video.1.clone(),
+                title: if self.formats.len() == 1 {
+                    "Default".to_string()
+                } else {
+                    format!("#{}", i + 1)
+                },
+            });
+        }
+
+        let mut input = vec![];
+        let mut maps = vec![];
+        let mut metadata = vec![];
+
+        for (i, meta) in videos.iter().enumerate() {
+            input.extend(["-i".to_string(), meta.path.to_string_lossy().to_string()]);
+            maps.extend(["-map".to_string(), i.to_string()]);
+            metadata.extend([
+                format!("-metadata:s:v:{}", i),
+                format!("title={}", meta.title),
+            ]);
+            // the empty language metadata is created to avoid that metadata from the original track
+            // is copied
+            metadata.extend([format!("-metadata:s:v:{}", i), format!("language=")])
+        }
+        for (i, meta) in audios.iter().enumerate() {
+            input.extend(["-i".to_string(), meta.path.to_string_lossy().to_string()]);
+            maps.extend(["-map".to_string(), (i + videos.len()).to_string()]);
+            metadata.extend([
+                format!("-metadata:s:a:{}", i),
+                format!("language={}", meta.language),
+            ]);
+            metadata.extend([
+                format!("-metadata:s:a:{}", i),
+                format!("title={}", meta.title),
+            ]);
+        }
+        for (i, meta) in subtitles.iter().enumerate() {
+            input.extend(["-i".to_string(), meta.path.to_string_lossy().to_string()]);
+            maps.extend([
+                "-map".to_string(),
+                (i + videos.len() + audios.len()).to_string(),
+            ]);
+            metadata.extend([
+                format!("-metadata:s:s:{}", i),
+                format!("language={}", meta.language),
+            ]);
+            metadata.extend([
+                format!("-metadata:s:s:{}", i),
+                format!("title={}", meta.title),
+            ]);
+        }
+
+        let (input_presets, mut output_presets) = self.ffmpeg_preset.into_input_output_args();
+
+        let mut command_args = vec!["-y".to_string(), "-hide_banner".to_string()];
+        command_args.extend(input_presets);
+        command_args.extend(input);
+        command_args.extend(maps);
+        command_args.extend(metadata);
+
+        // set default subtitle
+        if let Some(default_subtitle) = self.default_subtitle {
+            if let Some(position) = subtitles
+                .iter()
+                .position(|m| m.language == default_subtitle)
+            {
+                match dst.extension().unwrap_or_default().to_str().unwrap() {
+                    "mp4" => output_presets.extend([
+                        "-movflags".to_string(),
+                        "faststart".to_string(),
+                        "-c:s".to_string(),
+                        "mov_text".to_string(),
+                        format!("-disposition:s:s:{}", position),
+                        "forced".to_string(),
+                    ]),
+                    "mkv" => output_presets.extend([
+                        format!("-disposition:s:s:{}", position),
+                        "forced".to_string(),
+                    ]),
+                    _ => {
+                        // remove '-c:v copy' and '-c:a copy' from output presets as its causes issues with
+                        // burning subs into the video
+                        let mut last = String::new();
+                        let mut remove_count = 0;
+                        for (i, s) in output_presets.clone().iter().enumerate() {
+                            if (last == "-c:v" || last == "-c:a") && s == "copy" {
+                                // remove last
+                                output_presets.remove(i - remove_count - 1);
+                                remove_count += 1;
+                                output_presets.remove(i - remove_count);
+                                remove_count += 1;
+                            }
+                            last = s.clone();
+                        }
+
+                        output_presets.extend([
+                            "-vf".to_string(),
+                            format!(
+                                "subtitles={}",
+                                subtitles.get(position).unwrap().path.to_str().unwrap()
+                            ),
+                        ])
+                    }
+                }
+            }
+
+            if let Some(position) = subtitles
+                .iter()
+                .position(|meta| meta.language == default_subtitle)
+            {
+                command_args.extend([
+                    format!("-disposition:s:s:{}", position),
+                    "forced".to_string(),
+                ])
+            }
+        }
+
+        command_args.extend(output_presets);
+        if let Some(output_format) = self.output_format {
+            command_args.extend(["-f".to_string(), output_format]);
+        }
+        command_args.push(dst.to_str().unwrap().to_string());
+
+        debug!("ffmpeg {}", command_args.join(" "));
+
+        // create parent directory if it does not exist
+        if let Some(parent) = dst.parent() {
+            if !parent.exists() {
+                std::fs::create_dir_all(parent)?
+            }
+        }
+
+        let progress_handler = progress!("Generating output file");
+
+        let ffmpeg = Command::new("ffmpeg")
+            // pass ffmpeg stdout to real stdout only if output file is stdout
+            .stdout(if dst.to_str().unwrap() == "-" {
+                Stdio::inherit()
+            } else {
+                Stdio::null()
+            })
+            .stderr(Stdio::piped())
+            .args(command_args)
+            .output()?;
+        if !ffmpeg.status.success() {
+            bail!("{}", String::from_utf8_lossy(ffmpeg.stderr.as_slice()))
+        }
+
+        progress_handler.stop("Output file generated");
+
+        Ok(())
+    }
+
+    async fn download_video(
+        &self,
+        ctx: &Context,
+        variant_data: &VariantData,
+        message: String,
+    ) -> Result<TempPath> {
+        let tempfile = tempfile(".mp4")?;
+        let (mut file, path) = tempfile.into_parts();
+
+        download_segments(ctx, &mut file, Some(message), variant_data).await?;
+
+        Ok(path)
+    }
+
+    async fn download_audio(
+        &self,
+        ctx: &Context,
+        variant_data: &VariantData,
+        message: String,
+    ) -> Result<TempPath> {
+        let tempfile = tempfile(".m4a")?;
+        let (mut file, path) = tempfile.into_parts();
+
+        download_segments(ctx, &mut file, Some(message), variant_data).await?;
+
+        Ok(path)
+    }
+
+    async fn download_subtitle(
+        &self,
+        subtitle: Subtitle,
+        max_length: NaiveTime,
+    ) -> Result<TempPath> {
+        let tempfile = tempfile(".ass")?;
+        let (mut file, path) = tempfile.into_parts();
+
+        let mut buf = vec![];
+        subtitle.write_to(&mut buf).await?;
+        fix_subtitle_look_and_feel(&mut buf);
+        fix_subtitle_length(&mut buf, max_length);
+
+        file.write_all(buf.as_slice())?;
+
+        Ok(path)
+    }
+}
+
+pub async fn download_segments(
+    ctx: &Context,
+    writer: &mut impl Write,
+    message: Option<String>,
+    variant_data: &VariantData,
+) -> Result<()> {
+    let segments = variant_data.segments().await?;
+    let total_segments = segments.len();
+
+    let client = Arc::new(ctx.crunchy.client());
+    let count = Arc::new(Mutex::new(0));
+
+    let progress = if log::max_level() == LevelFilter::Info {
+        let estimated_file_size =
+            (variant_data.bandwidth / 8) * segments.iter().map(|s| s.length.as_secs()).sum::<u64>();
+
+        let progress = ProgressBar::new(estimated_file_size)
+            .with_style(
+                ProgressStyle::with_template(
+                    ":: {msg}{bytes:>10} {bytes_per_sec:>12} [{wide_bar}] {percent:>3}%",
+                )
+                .unwrap()
+                .progress_chars("##-"),
+            )
+            .with_message(message.map(|m| m + " ").unwrap_or_default())
+            .with_finish(ProgressFinish::Abandon);
+        Some(progress)
+    } else {
+        None
+    };
+
+    let cpus = num_cpus::get();
+    let mut segs: Vec<Vec<VariantSegment>> = Vec::with_capacity(cpus);
+    for _ in 0..cpus {
+        segs.push(vec![])
+    }
+    for (i, segment) in segments.clone().into_iter().enumerate() {
+        segs[i - ((i / cpus) * cpus)].push(segment);
+    }
+
+    let (sender, receiver) = mpsc::channel();
+
+    let mut join_set: JoinSet<Result<()>> = JoinSet::new();
+    for num in 0..cpus {
+        let thread_client = client.clone();
+        let thread_sender = sender.clone();
+        let thread_segments = segs.remove(0);
+        let thread_count = count.clone();
+        join_set.spawn(async move {
+            let after_download_sender = thread_sender.clone();
+
+            // the download process is encapsulated in its own function. this is done to easily
+            // catch errors which get returned with `...?` and `bail!(...)` and that the thread
+            // itself can report that an error has occurred
+            let download = || async move {
+                for (i, segment) in thread_segments.into_iter().enumerate() {
+                    let mut retry_count = 0;
+                    let mut buf = loop {
+                        let response = thread_client
+                            .get(&segment.url)
+                            .timeout(Duration::from_secs(60))
+                            .send()
+                            .await?;
+
+                        match response.bytes().await {
+                            Ok(b) => break b.to_vec(),
+                            Err(e) => {
+                                if e.is_body() {
+                                    if retry_count == 5 {
+                                        bail!("Max retry count reached ({}), multiple errors occurred while receiving segment {}: {}", retry_count, num + (i * cpus), e)
+                                    }
+                                    debug!("Failed to download segment {} ({}). Retrying, {} out of 5 retries left", num + (i * cpus), e, 5 - retry_count)
+                                } else {
+                                    bail!("{}", e)
+                                }
+                            }
+                        }
+
+                        retry_count += 1;
+                    };
+
+                    buf = VariantSegment::decrypt(buf.borrow_mut(), segment.key)?.to_vec();
+
+                    let mut c = thread_count.lock().unwrap();
+                    debug!(
+                        "Downloaded and decrypted segment [{}/{} {:.2}%] {}",
+                        num + (i * cpus) + 1,
+                        total_segments,
+                        ((*c + 1) as f64 / total_segments as f64) * 100f64,
+                        segment.url
+                    );
+
+                    thread_sender.send((num as i32 + (i * cpus) as i32, buf))?;
+
+                    *c += 1;
+                }
+                Ok(())
+            };
+
+
+            let result = download().await;
+            if result.is_err() {
+                after_download_sender.send((-1 as i32, vec![]))?;
+            }
+
+            result
+        });
+    }
+    // drop the sender already here so it does not outlive all download threads which are the only
+    // real consumers of it
+    drop(sender);
+
+    // this is the main loop which writes the data. it uses a BTreeMap as a buffer as the write
+    // happens synchronized. the download consist of multiple segments. the map keys are representing
+    // the segment number and the values the corresponding bytes
+    let mut data_pos = 0;
+    let mut buf: BTreeMap<i32, Vec<u8>> = BTreeMap::new();
+    for (pos, bytes) in receiver.iter() {
+        // if the position is lower than 0, an error occurred in the sending download thread
+        if pos < 0 {
+            break;
+        }
+
+        if let Some(p) = &progress {
+            let progress_len = p.length().unwrap();
+            let estimated_segment_len =
+                (variant_data.bandwidth / 8) * segments.get(pos as usize).unwrap().length.as_secs();
+            let bytes_len = bytes.len() as u64;
+
+            p.set_length(progress_len - estimated_segment_len + bytes_len);
+            p.inc(bytes_len)
+        }
+
+        // check if the currently sent bytes are the next in the buffer. if so, write them directly
+        // to the target without first adding them to the buffer.
+        // if not, add them to the buffer
+        if data_pos == pos {
+            writer.write_all(bytes.borrow())?;
+            data_pos += 1;
+        } else {
+            buf.insert(pos, bytes);
+        }
+        // check if the buffer contains the next segment(s)
+        while let Some(b) = buf.remove(&data_pos) {
+            writer.write_all(b.borrow())?;
+            data_pos += 1;
+        }
+    }
+
+    // if any error has occurred while downloading it gets returned here
+    while let Some(joined) = join_set.join_next().await {
+        joined??
+    }
+
+    // write the remaining buffer, if existent
+    while let Some(b) = buf.remove(&data_pos) {
+        writer.write_all(b.borrow())?;
+        data_pos += 1;
+    }
+
+    if !buf.is_empty() {
+        bail!(
+            "Download buffer is not empty. Remaining segments: {}",
+            buf.into_keys()
+                .map(|k| k.to_string())
+                .collect::<Vec<String>>()
+                .join(", ")
+        )
+    }
+
+    Ok(())
+}
+
+/// Add `ScaledBorderAndShadows: yes` to subtitles; without it they look very messy on some video
+/// players. See [crunchy-labs/crunchy-cli#66](https://github.com/crunchy-labs/crunchy-cli/issues/66)
+/// for more information.
+fn fix_subtitle_look_and_feel(raw: &mut Vec<u8>) {
+    let mut script_info = false;
+    let mut new = String::new();
+
+    for line in String::from_utf8_lossy(raw.as_slice()).split('\n') {
+        if line.trim().starts_with('[') && script_info {
+            new.push_str("ScaledBorderAndShadow: yes\n");
+            script_info = false
+        } else if line.trim() == "[Script Info]" {
+            script_info = true
+        }
+        new.push_str(line);
+        new.push('\n')
+    }
+
+    *raw = new.into_bytes()
+}
+
+/// Get the length of a video. This is required because sometimes subtitles have an unnecessary entry
+/// long after the actual video ends with artificially extends the video length on some video players.
+/// To prevent this, the video length must be hard set. See
+/// [crunchy-labs/crunchy-cli#32](https://github.com/crunchy-labs/crunchy-cli/issues/32) for more
+/// information.
+pub fn get_video_length(path: &Path) -> Result<NaiveTime> {
+    let video_length = Regex::new(r"Duration:\s(?P<time>\d+:\d+:\d+\.\d+),")?;
+
+    let ffmpeg = Command::new("ffmpeg")
+        .stdout(Stdio::null())
+        .stderr(Stdio::piped())
+        .arg("-y")
+        .arg("-hide_banner")
+        .args(["-i", path.to_str().unwrap()])
+        .output()?;
+    let ffmpeg_output = String::from_utf8(ffmpeg.stderr)?;
+    let caps = video_length.captures(ffmpeg_output.as_str()).unwrap();
+
+    Ok(NaiveTime::parse_from_str(caps.name("time").unwrap().as_str(), "%H:%M:%S%.f").unwrap())
+}
+
+/// Fix the length of subtitles to a specified maximum amount. This is required because sometimes
+/// subtitles have an unnecessary entry long after the actual video ends with artificially extends
+/// the video length on some video players. To prevent this, the video length must be hard set. See
+/// [crunchy-labs/crunchy-cli#32](https://github.com/crunchy-labs/crunchy-cli/issues/32) for more
+/// information.
+fn fix_subtitle_length(raw: &mut Vec<u8>, max_length: NaiveTime) {
+    let re =
+        Regex::new(r#"^Dialogue:\s\d+,(?P<start>\d+:\d+:\d+\.\d+),(?P<end>\d+:\d+:\d+\.\d+),"#)
+            .unwrap();
+
+    // chrono panics if we try to format NaiveTime with `%2f` and the nano seconds has more than 2
+    // digits so them have to be reduced manually to avoid the panic
+    fn format_naive_time(native_time: NaiveTime) -> String {
+        let formatted_time = native_time.format("%f").to_string();
+        format!(
+            "{}.{}",
+            native_time.format("%T"),
+            if formatted_time.len() <= 2 {
+                native_time.format("%2f").to_string()
+            } else {
+                formatted_time.split_at(2).0.parse().unwrap()
+            }
+        )
+    }
+
+    let length_as_string = format_naive_time(max_length);
+    let mut new = String::new();
+
+    for line in String::from_utf8_lossy(raw.as_slice()).split('\n') {
+        if let Some(capture) = re.captures(line) {
+            let start = capture.name("start").map_or(NaiveTime::default(), |s| {
+                NaiveTime::parse_from_str(s.as_str(), "%H:%M:%S.%f").unwrap()
+            });
+            let end = capture.name("end").map_or(NaiveTime::default(), |s| {
+                NaiveTime::parse_from_str(s.as_str(), "%H:%M:%S.%f").unwrap()
+            });
+
+            if start > max_length {
+                continue;
+            } else if end > max_length {
+                new.push_str(
+                    re.replace(
+                        line,
+                        format!(
+                            "Dialogue: {},{},",
+                            format_naive_time(start),
+                            &length_as_string
+                        ),
+                    )
+                    .to_string()
+                    .as_str(),
+                )
+            } else {
+                new.push_str(line)
+            }
+        } else {
+            new.push_str(line)
+        }
+        new.push('\n')
+    }
+
+    *raw = new.into_bytes()
+}

crunchy-cli-core/src/utils/ffmpeg.rs

@@ -0,0 +1,358 @@
+use lazy_static::lazy_static;
+use regex::Regex;
+use std::env;
+use std::str::FromStr;
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum FFmpegPreset {
+    Predefined(FFmpegCodec, Option<FFmpegHwAccel>, FFmpegQuality),
+    Custom(Option<String>, Option<String>),
+}
+
+lazy_static! {
+    static ref PREDEFINED_PRESET: Regex = Regex::new(r"^\w+(-\w+)*?$").unwrap();
+}
+
+macro_rules! ffmpeg_enum {
+    (enum $name:ident { $($field:ident),* }) => {
+        #[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
+        pub enum $name {
+            $(
+                $field
+            ),*,
+        }
+
+        impl $name {
+            fn all() -> Vec<$name> {
+                vec![
+                    $(
+                        $name::$field
+                    ),*,
+                ]
+            }
+        }
+
+        impl ToString for $name {
+            fn to_string(&self) -> String {
+                match self {
+                    $(
+                        &$name::$field => stringify!($field).to_string().to_lowercase()
+                    ),*
+                }
+            }
+        }
+
+        impl FromStr for $name {
+            type Err = anyhow::Error;
+
+            fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
+                match s {
+                    $(
+                        stringify!($field) => Ok($name::$field)
+                    ),*,
+                    _ => anyhow::bail!("{} is not a valid {}", s, stringify!($name).to_lowercase())
+                }
+            }
+        }
+    }
+}
+
+ffmpeg_enum! {
+    enum FFmpegCodec {
+        H264,
+        H265,
+        Av1
+    }
+}
+
+ffmpeg_enum! {
+    enum FFmpegHwAccel {
+        Nvidia
+    }
+}
+
+ffmpeg_enum! {
+    enum FFmpegQuality {
+        Lossless,
+        Normal,
+        Low
+    }
+}
+
+impl Default for FFmpegPreset {
+    fn default() -> Self {
+        Self::Custom(None, Some("-c:v copy -c:a copy".to_string()))
+    }
+}
+
+impl FFmpegPreset {
+    pub(crate) fn available_matches(
+    ) -> Vec<(FFmpegCodec, Option<FFmpegHwAccel>, Option<FFmpegQuality>)> {
+        let codecs = vec![
+            (
+                FFmpegCodec::H264,
+                FFmpegHwAccel::all(),
+                FFmpegQuality::all(),
+            ),
+            (
+                FFmpegCodec::H265,
+                FFmpegHwAccel::all(),
+                FFmpegQuality::all(),
+            ),
+            (FFmpegCodec::Av1, vec![], FFmpegQuality::all()),
+        ];
+
+        let mut return_values = vec![];
+
+        for (codec, hwaccels, qualities) in codecs {
+            return_values.push((codec.clone(), None, None));
+            for hwaccel in hwaccels.clone() {
+                return_values.push((codec.clone(), Some(hwaccel), None));
+            }
+            for quality in qualities.clone() {
+                return_values.push((codec.clone(), None, Some(quality)))
+            }
+            for hwaccel in hwaccels {
+                for quality in qualities.clone() {
+                    return_values.push((codec.clone(), Some(hwaccel.clone()), Some(quality)))
+                }
+            }
+        }
+
+        return_values
+    }
+
+    pub(crate) fn available_matches_human_readable() -> Vec<String> {
+        let mut return_values = vec![];
+
+        for (codec, hwaccel, quality) in FFmpegPreset::available_matches() {
+            let mut description_details = vec![];
+            if let Some(h) = &hwaccel {
+                description_details.push(format!("{} hardware acceleration", h.to_string()))
+            }
+            if let Some(q) = &quality {
+                description_details.push(format!("{} video quality/compression", q.to_string()))
+            }
+
+            let description = if description_details.len() == 0 {
+                format!(
+                    "{} encoded with default video quality/compression",
+                    codec.to_string()
+                )
+            } else if description_details.len() == 1 {
+                format!(
+                    "{} encoded with {}",
+                    codec.to_string(),
+                    description_details[0]
+                )
+            } else {
+                let first = description_details.remove(0);
+                let last = description_details.remove(description_details.len() - 1);
+                let mid = if !description_details.is_empty() {
+                    format!(", {} ", description_details.join(", "))
+                } else {
+                    "".to_string()
+                };
+
+                format!(
+                    "{} encoded with {}{} and {}",
+                    codec.to_string(),
+                    first,
+                    mid,
+                    last
+                )
+            };
+
+            return_values.push(format!(
+                "{} ({})",
+                vec![
+                    Some(codec.to_string()),
+                    hwaccel.map(|h| h.to_string()),
+                    quality.map(|q| q.to_string())
+                ]
+                .into_iter()
+                .flatten()
+                .collect::<Vec<String>>()
+                .join("-"),
+                description
+            ))
+        }
+        return_values
+    }
+
+    pub(crate) fn parse(s: &str) -> Result<FFmpegPreset, String> {
+        let env_ffmpeg_input_args = env::var("FFMPEG_INPUT_ARGS").ok();
+        let env_ffmpeg_output_args = env::var("FFMPEG_OUTPUT_ARGS").ok();
+
+        if env_ffmpeg_input_args.is_some() || env_ffmpeg_output_args.is_some() {
+            if let Some(input) = &env_ffmpeg_input_args {
+                if shlex::split(input).is_none() {
+                    return Err(format!("Failed to find custom ffmpeg input '{}' (`FFMPEG_INPUT_ARGS` env variable)", input));
+                }
+            }
+            if let Some(output) = &env_ffmpeg_output_args {
+                if shlex::split(output).is_none() {
+                    return Err(format!("Failed to find custom ffmpeg output '{}' (`FFMPEG_INPUT_ARGS` env variable)", output));
+                }
+            }
+
+            return Ok(FFmpegPreset::Custom(
+                env_ffmpeg_input_args,
+                env_ffmpeg_output_args,
+            ));
+        } else if !PREDEFINED_PRESET.is_match(s) {
+            return Ok(FFmpegPreset::Custom(None, Some(s.to_string())));
+        }
+
+        let mut codec: Option<FFmpegCodec> = None;
+        let mut hwaccel: Option<FFmpegHwAccel> = None;
+        let mut quality: Option<FFmpegQuality> = None;
+        for token in s.split('-') {
+            if let Some(c) = FFmpegCodec::all()
+                .into_iter()
+                .find(|p| p.to_string() == token.to_lowercase())
+            {
+                if let Some(cc) = codec {
+                    return Err(format!(
+                        "cannot use multiple codecs (found {} and {})",
+                        cc.to_string(),
+                        c.to_string()
+                    ));
+                }
+                codec = Some(c)
+            } else if let Some(h) = FFmpegHwAccel::all()
+                .into_iter()
+                .find(|p| p.to_string() == token.to_lowercase())
+            {
+                if let Some(hh) = hwaccel {
+                    return Err(format!(
+                        "cannot use multiple hardware accelerations (found {} and {})",
+                        hh.to_string(),
+                        h.to_string()
+                    ));
+                }
+                hwaccel = Some(h)
+            } else if let Some(q) = FFmpegQuality::all()
+                .into_iter()
+                .find(|p| p.to_string() == token.to_lowercase())
+            {
+                if let Some(qq) = quality {
+                    return Err(format!(
+                        "cannot use multiple ffmpeg preset qualities (found {} and {})",
+                        qq.to_string(),
+                        q.to_string()
+                    ));
+                }
+                quality = Some(q)
+            } else {
+                return Err(format!(
+                    "'{}' is not a valid ffmpeg preset (unknown token '{}'",
+                    s, token
+                ));
+            }
+        }
+
+        if let Some(c) = codec {
+            if !FFmpegPreset::available_matches().contains(&(
+                c.clone(),
+                hwaccel.clone(),
+                quality.clone(),
+            )) {
+                return Err(format!("ffmpeg preset is not supported"));
+            }
+            Ok(FFmpegPreset::Predefined(
+                c,
+                hwaccel,
+                quality.unwrap_or(FFmpegQuality::Normal),
+            ))
+        } else {
+            Err(format!("cannot use ffmpeg preset with without a codec"))
+        }
+    }
+
+    pub(crate) fn into_input_output_args(self) -> (Vec<String>, Vec<String>) {
+        match self {
+            FFmpegPreset::Custom(input, output) => (
+                input.map_or(vec![], |i| shlex::split(&i).unwrap_or_default()),
+                output.map_or(vec![], |o| shlex::split(&o).unwrap_or_default()),
+            ),
+            FFmpegPreset::Predefined(codec, hwaccel_opt, quality) => {
+                let mut input = vec![];
+                let mut output = vec![];
+
+                match codec {
+                    FFmpegCodec::H264 => {
+                        if let Some(hwaccel) = hwaccel_opt {
+                            match hwaccel {
+                                FFmpegHwAccel::Nvidia => {
+                                    input.extend([
+                                        "-hwaccel",
+                                        "cuda",
+                                        "-hwaccel_output_format",
+                                        "cuda",
+                                        "-c:v",
+                                        "h264_cuvid",
+                                    ]);
+                                    output.extend(["-c:v", "h264_nvenc", "-c:a", "copy"])
+                                }
+                            }
+                        } else {
+                            output.extend(["-c:v", "libx264", "-c:a", "copy"])
+                        }
+
+                        match quality {
+                            FFmpegQuality::Lossless => output.extend(["-crf", "18"]),
+                            FFmpegQuality::Normal => (),
+                            FFmpegQuality::Low => output.extend(["-crf", "35"]),
+                        }
+                    }
+                    FFmpegCodec::H265 => {
+                        if let Some(hwaccel) = hwaccel_opt {
+                            match hwaccel {
+                                FFmpegHwAccel::Nvidia => {
+                                    input.extend([
+                                        "-hwaccel",
+                                        "cuda",
+                                        "-hwaccel_output_format",
+                                        "cuda",
+                                        "-c:v",
+                                        "h264_cuvid",
+                                    ]);
+                                    output.extend(["-c:v", "hevc_nvenc", "-c:a", "copy"])
+                                }
+                            }
+                        } else {
+                            output.extend(["-c:v", "libx265", "-c:a", "copy"])
+                        }
+
+                        match quality {
+                            FFmpegQuality::Lossless => output.extend(["-crf", "20"]),
+                            FFmpegQuality::Normal => (),
+                            FFmpegQuality::Low => output.extend(["-crf", "35"]),
+                        }
+                    }
+                    FFmpegCodec::Av1 => {
+                        output.extend(["-c:v", "libsvtav1", "-c:a", "copy"]);
+
+                        match quality {
+                            FFmpegQuality::Lossless => output.extend(["-crf", "22"]),
+                            FFmpegQuality::Normal => (),
+                            FFmpegQuality::Low => output.extend(["-crf", "35"]),
+                        }
+                    }
+                }
+
+                (
+                    input
+                        .into_iter()
+                        .map(|s| s.to_string())
+                        .collect::<Vec<String>>(),
+                    output
+                        .into_iter()
+                        .map(|s| s.to_string())
+                        .collect::<Vec<String>>(),
+                )
+            }
+        }
+    }
+}

crunchy-cli-core/src/utils/filter.rs

@@ -0,0 +1,95 @@
+use anyhow::Result;
+use crunchyroll_rs::{
+    Concert, Episode, MediaCollection, Movie, MovieListing, MusicVideo, Season, Series,
+};
+
+// Check when https://github.com/dtolnay/async-trait/issues/224 is resolved and update async-trait
+// to the new fixed version (as this causes some issues)
+#[async_trait::async_trait]
+pub trait Filter {
+    type T: Send + Sized;
+    type Output: Send + Sized;
+
+    async fn visit_series(&mut self, series: Series) -> Result<Vec<Season>>;
+    async fn visit_season(&mut self, season: Season) -> Result<Vec<Episode>>;
+    async fn visit_episode(&mut self, episode: Episode) -> Result<Option<Self::T>>;
+    async fn visit_movie_listing(&mut self, movie_listing: MovieListing) -> Result<Vec<Movie>>;
+    async fn visit_movie(&mut self, movie: Movie) -> Result<Option<Self::T>>;
+    async fn visit_music_video(&mut self, music_video: MusicVideo) -> Result<Option<Self::T>>;
+    async fn visit_concert(&mut self, concert: Concert) -> Result<Option<Self::T>>;
+
+    async fn visit(mut self, media_collection: MediaCollection) -> Result<Vec<Self::Output>>
+    where
+        Self: Send + Sized,
+    {
+        let mut items = vec![media_collection];
+        let mut result = vec![];
+
+        while !items.is_empty() {
+            let mut new_items: Vec<MediaCollection> = vec![];
+
+            for i in items {
+                match i {
+                    MediaCollection::Series(series) => new_items.extend(
+                        self.visit_series(series)
+                            .await?
+                            .into_iter()
+                            .map(|s| s.into())
+                            .collect::<Vec<MediaCollection>>(),
+                    ),
+                    MediaCollection::Season(season) => new_items.extend(
+                        self.visit_season(season)
+                            .await?
+                            .into_iter()
+                            .map(|s| s.into())
+                            .collect::<Vec<MediaCollection>>(),
+                    ),
+                    MediaCollection::Episode(episode) => {
+                        if let Some(t) = self.visit_episode(episode).await? {
+                            result.push(t)
+                        }
+                    }
+                    MediaCollection::MovieListing(movie_listing) => new_items.extend(
+                        self.visit_movie_listing(movie_listing)
+                            .await?
+                            .into_iter()
+                            .map(|m| m.into())
+                            .collect::<Vec<MediaCollection>>(),
+                    ),
+                    MediaCollection::Movie(movie) => {
+                        if let Some(t) = self.visit_movie(movie).await? {
+                            result.push(t)
+                        }
+                    }
+                    MediaCollection::MusicVideo(music_video) => {
+                        if let Some(t) = self.visit_music_video(music_video).await? {
+                            result.push(t)
+                        }
+                    }
+                    MediaCollection::Concert(concert) => {
+                        if let Some(t) = self.visit_concert(concert).await? {
+                            result.push(t)
+                        }
+                    }
+                }
+            }
+
+            items = new_items
+        }
+
+        self.finish(result).await
+    }
+
+    async fn finish(self, input: Vec<Self::T>) -> Result<Vec<Self::Output>>;
+}
+
+/// Remove all duplicates from a [`Vec`].
+pub fn real_dedup_vec<T: Clone + Eq>(input: &mut Vec<T>) {
+    let mut dedup = vec![];
+    for item in input.clone() {
+        if !dedup.contains(&item) {
+            dedup.push(item);
+        }
+    }
+    *input = dedup
+}

crunchy-cli-core/src/utils/format.rs

@@ -1,19 +1,22 @@
-use crunchyroll_rs::media::{StreamSubtitle, VariantData};
-use crunchyroll_rs::{Episode, Locale, Media, Movie};
-use log::warn;
-use std::path::PathBuf;
-use std::time::Duration;
+use crate::utils::filter::real_dedup_vec;
+use crate::utils::log::tab_info;
+use crate::utils::os::is_special_file;
+use crunchyroll_rs::media::{Resolution, VariantData};
+use crunchyroll_rs::{Concert, Episode, Locale, Movie, MusicVideo};
+use log::{debug, info};
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
 
 #[derive(Clone)]
-pub struct Format {
+pub struct SingleFormat {
     pub title: String,
     pub description: String,
 
     pub audio: Locale,
-    pub subtitles: Vec<StreamSubtitle>,
+    pub subtitles: Vec<Locale>,
 
-    pub duration: Duration,
-    pub stream: VariantData,
+    pub resolution: Resolution,
+    pub fps: f64,
 
     pub series_id: String,
     pub series_name: String,
@@ -23,76 +26,148 @@ pub struct Format {
     pub season_number: u32,
 
     pub episode_id: String,
-    pub episode_number: f32,
-    pub relative_episode_number: f32,
+    pub episode_number: String,
+    pub sequence_number: f32,
+    pub relative_episode_number: Option<u32>,
 }
 
-impl Format {
+impl SingleFormat {
     pub fn new_from_episode(
-        episode: &Media<Episode>,
-        season_episodes: &Vec<Media<Episode>>,
-        stream: VariantData,
-        subtitles: Vec<StreamSubtitle>,
+        episode: &Episode,
+        video: &VariantData,
+        subtitles: Vec<Locale>,
+        relative_episode_number: Option<u32>,
     ) -> Self {
         Self {
             title: episode.title.clone(),
             description: episode.description.clone(),
-
-            audio: episode.metadata.audio_locale.clone(),
+            audio: episode.audio_locale.clone(),
             subtitles,
-
-            duration: episode.metadata.duration.to_std().unwrap(),
-            stream,
-
-            series_id: episode.metadata.series_id.clone(),
-            series_name: episode.metadata.series_title.clone(),
-
-            season_id: episode.metadata.season_id.clone(),
-            season_title: episode.metadata.season_title.clone(),
-            season_number: episode.metadata.season_number.clone(),
-
+            resolution: video.resolution.clone(),
+            fps: video.fps,
+            series_id: episode.series_id.clone(),
+            series_name: episode.series_title.clone(),
+            season_id: episode.season_id.clone(),
+            season_title: episode.season_title.to_string(),
+            season_number: episode.season_number,
             episode_id: episode.id.clone(),
-            episode_number: episode
-                .metadata
-                .episode
-                .parse()
-                .unwrap_or(episode.metadata.sequence_number),
-            relative_episode_number: season_episodes
-                .iter()
-                .enumerate()
-                .find_map(|(i, e)| if e == episode { Some((i + 1) as f32) } else { None })
-                .unwrap_or_else(|| {
-                    warn!("Cannot find relative episode number for episode {} ({}) of season {} ({}) of {}, using normal episode number", episode.metadata.episode_number, episode.title, episode.metadata.season_number, episode.metadata.season_title, episode.metadata.series_title);
-                    episode
-                        .metadata
-                        .episode
-                        .parse()
-                        .unwrap_or(episode.metadata.sequence_number)
-                }),
+            episode_number: if episode.episode.is_empty() {
+                episode.sequence_number.to_string()
+            } else {
+                episode.episode.clone()
+            },
+            sequence_number: episode.sequence_number,
+            relative_episode_number,
         }
     }
 
-    pub fn new_from_movie(movie: &Media<Movie>, stream: VariantData) -> Self {
+    pub fn new_from_movie(movie: &Movie, video: &VariantData, subtitles: Vec<Locale>) -> Self {
         Self {
             title: movie.title.clone(),
             description: movie.description.clone(),
-
             audio: Locale::ja_JP,
-
-            duration: movie.metadata.duration.to_std().unwrap(),
-            stream,
-            subtitles: vec![],
-
-            series_id: movie.metadata.movie_listing_id.clone(),
-            series_name: movie.metadata.movie_listing_title.clone(),
-
-            season_id: movie.metadata.movie_listing_id.clone(),
-            season_title: movie.metadata.movie_listing_title.clone(),
+            subtitles,
+            resolution: video.resolution.clone(),
+            fps: video.fps,
+            series_id: movie.movie_listing_id.clone(),
+            series_name: movie.movie_listing_title.clone(),
+            season_id: movie.movie_listing_id.clone(),
+            season_title: movie.movie_listing_title.to_string(),
             season_number: 1,
-
             episode_id: movie.id.clone(),
-            episode_number: 1.0,
-            relative_episode_number: 1.0,
+            episode_number: "1".to_string(),
+            sequence_number: 1.0,
+            relative_episode_number: Some(1),
+        }
+    }
+
+    pub fn new_from_music_video(music_video: &MusicVideo, video: &VariantData) -> Self {
+        Self {
+            title: music_video.title.clone(),
+            description: music_video.description.clone(),
+            audio: Locale::ja_JP,
+            subtitles: vec![],
+            resolution: video.resolution.clone(),
+            fps: video.fps,
+            series_id: music_video.id.clone(),
+            series_name: music_video.title.clone(),
+            season_id: music_video.id.clone(),
+            season_title: music_video.title.clone(),
+            season_number: 1,
+            episode_id: music_video.id.clone(),
+            episode_number: "1".to_string(),
+            sequence_number: 1.0,
+            relative_episode_number: Some(1),
+        }
+    }
+
+    pub fn new_from_concert(concert: &Concert, video: &VariantData) -> Self {
+        Self {
+            title: concert.title.clone(),
+            description: concert.description.clone(),
+            audio: Locale::ja_JP,
+            subtitles: vec![],
+            resolution: video.resolution.clone(),
+            fps: video.fps,
+            series_id: concert.id.clone(),
+            series_name: concert.title.clone(),
+            season_id: concert.id.clone(),
+            season_title: concert.title.clone(),
+            season_number: 1,
+            episode_id: concert.id.clone(),
+            episode_number: "1".to_string(),
+            sequence_number: 1.0,
+            relative_episode_number: Some(1),
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct Format {
+    pub title: String,
+    pub description: String,
+
+    pub locales: Vec<(Locale, Vec<Locale>)>,
+
+    pub resolution: Resolution,
+    pub fps: f64,
+
+    pub series_id: String,
+    pub series_name: String,
+
+    pub season_id: String,
+    pub season_title: String,
+    pub season_number: u32,
+
+    pub episode_id: String,
+    pub episode_number: String,
+    pub sequence_number: f32,
+    pub relative_episode_number: Option<u32>,
+}
+
+impl Format {
+    pub fn from_single_formats(mut single_formats: Vec<SingleFormat>) -> Self {
+        let locales: Vec<(Locale, Vec<Locale>)> = single_formats
+            .iter()
+            .map(|sf| (sf.audio.clone(), sf.subtitles.clone()))
+            .collect();
+        let first = single_formats.remove(0);
+
+        Self {
+            title: first.title,
+            description: first.description,
+            locales,
+            resolution: first.resolution,
+            fps: first.fps,
+            series_id: first.series_id,
+            series_name: first.series_name,
+            season_id: first.season_id,
+            season_title: first.season_title,
+            season_number: first.season_number,
+            episode_id: first.episode_id,
+            episode_number: first.episode_number,
+            sequence_number: first.sequence_number,
+            relative_episode_number: first.relative_episode_number,
         }
     }
 
@@ -111,11 +186,18 @@ impl Format {
         PathBuf::from(
             as_string
                 .replace("{title}", &sanitize_func(&self.title))
-                .replace("{audio}", &sanitize_func(&self.audio.to_string()))
                 .replace(
-                    "{resolution}",
-                    &sanitize_func(&self.stream.resolution.to_string()),
+                    "{audio}",
+                    &sanitize_func(
+                        &self
+                            .locales
+                            .iter()
+                            .map(|(a, _)| a.to_string())
+                            .collect::<Vec<String>>()
+                            .join("|"),
+                    ),
                 )
+                .replace("{resolution}", &sanitize_func(&self.resolution.to_string()))
                 .replace("{series_id}", &sanitize_func(&self.series_id))
                 .replace("{series_name}", &sanitize_func(&self.series_name))
                 .replace("{season_id}", &sanitize_func(&self.season_id))
@@ -131,12 +213,109 @@ impl Format {
                 )
                 .replace(
                     "{relative_episode_number}",
-                    &sanitize_func(&format!("{:0>2}", self.relative_episode_number.to_string())),
+                    &sanitize_func(&format!(
+                        "{:0>2}",
+                        self.relative_episode_number.unwrap_or_default().to_string()
+                    )),
                 ),
         )
     }
 
+    pub fn visual_output(&self, dst: &Path) {
+        info!(
+            "Downloading {} to {}",
+            self.title,
+            if is_special_file(&dst) || dst.to_str().unwrap() == "-" {
+                dst.to_string_lossy().to_string()
+            } else {
+                format!("'{}'", dst.to_str().unwrap())
+            }
+        );
+        tab_info!(
+            "Episode: S{:02}E{:0>2}",
+            self.season_number,
+            self.episode_number
+        );
+        tab_info!(
+            "Audio: {}",
+            self.locales
+                .iter()
+                .map(|(a, _)| a.to_string())
+                .collect::<Vec<String>>()
+                .join(", ")
+        );
+        let mut subtitles: Vec<Locale> = self.locales.iter().flat_map(|(_, s)| s.clone()).collect();
+        real_dedup_vec(&mut subtitles);
+        tab_info!(
+            "Subtitles: {}",
+            subtitles
+                .into_iter()
+                .map(|l| l.to_string())
+                .collect::<Vec<String>>()
+                .join(", ")
+        );
+        tab_info!("Resolution: {}", self.resolution);
+        tab_info!("FPS: {:.2}", self.fps)
+    }
+
     pub fn has_relative_episodes_fmt<S: AsRef<str>>(s: S) -> bool {
         return s.as_ref().contains("{relative_episode_number}");
     }
 }
+
+pub fn formats_visual_output(formats: Vec<&Format>) {
+    if log::max_level() == log::Level::Debug {
+        let seasons = sort_formats_after_seasons(formats);
+        debug!("Series has {} seasons", seasons.len());
+        for (i, season) in seasons.into_iter().enumerate() {
+            info!("Season {}", i + 1);
+            for format in season {
+                info!(
+                    "{}: {}px, {:.02} FPS (S{:02}E{:0>2})",
+                    format.title,
+                    format.resolution,
+                    format.fps,
+                    format.season_number,
+                    format.episode_number,
+                )
+            }
+        }
+    } else {
+        for season in sort_formats_after_seasons(formats) {
+            let first = season.get(0).unwrap();
+            info!("{} Season {}", first.series_name, first.season_number);
+
+            for (i, format) in season.into_iter().enumerate() {
+                tab_info!(
+                    "{}. {} » {}px, {:.2} FPS (S{:02}E{:0>2})",
+                    i + 1,
+                    format.title,
+                    format.resolution,
+                    format.fps,
+                    format.season_number,
+                    format.episode_number
+                )
+            }
+        }
+    }
+}
+
+fn sort_formats_after_seasons(formats: Vec<&Format>) -> Vec<Vec<&Format>> {
+    let mut season_map = BTreeMap::new();
+
+    for format in formats {
+        season_map
+            .entry(format.season_number)
+            .or_insert(vec![])
+            .push(format)
+    }
+
+    season_map
+        .into_values()
+        .into_iter()
+        .map(|mut fmts| {
+            fmts.sort_by(|a, b| a.sequence_number.total_cmp(&b.sequence_number));
+            fmts
+        })
+        .collect()
+}

crunchy-cli-core/src/utils/locale.rs

@@ -13,3 +13,17 @@ pub fn system_locale() -> Locale {
         Locale::en_US
     }
 }
+
+/// Check if [`Locale::Custom("all")`] is in the provided locale list and return [`Locale::all`] if
+/// so. If not, just return the provided locale list.
+pub fn all_locale_in_locales(locales: Vec<Locale>) -> Vec<Locale> {
+    if locales
+        .iter()
+        .find(|l| l.to_string().to_lowercase().trim() == "all")
+        .is_some()
+    {
+        Locale::all()
+    } else {
+        locales
+    }
+}

crunchy-cli-core/src/utils/log.rs

@@ -1,4 +1,12 @@
-use log::info;
+use indicatif::{ProgressBar, ProgressStyle};
+use log::{
+    info, set_boxed_logger, set_max_level, Level, LevelFilter, Log, Metadata, Record,
+    SetLoggerError,
+};
+use std::io::{stdout, Write};
+use std::sync::Mutex;
+use std::thread;
+use std::time::Duration;
 
 pub struct ProgressHandler {
     pub(crate) stopped: bool,
@@ -28,3 +36,133 @@ macro_rules! progress {
     }
 }
 pub(crate) use progress;
+
+macro_rules! tab_info {
+    ($($arg:tt)+) => {
+        if log::max_level() == log::LevelFilter::Debug {
+            info!($($arg)+)
+        } else {
+            info!("\t{}", format!($($arg)+))
+        }
+    }
+}
+pub(crate) use tab_info;
+
+#[allow(clippy::type_complexity)]
+pub struct CliLogger {
+    all: bool,
+    level: LevelFilter,
+    progress: Mutex<Option<ProgressBar>>,
+}
+
+impl Log for CliLogger {
+    fn enabled(&self, metadata: &Metadata) -> bool {
+        metadata.level() <= self.level
+    }
+
+    fn log(&self, record: &Record) {
+        if !self.enabled(record.metadata())
+            || (record.target() != "progress"
+                && record.target() != "progress_end"
+                && (!self.all && !record.target().starts_with("crunchy_cli")))
+        {
+            return;
+        }
+
+        if self.level >= LevelFilter::Debug {
+            self.extended(record);
+            return;
+        }
+
+        match record.target() {
+            "progress" => self.progress(record, false),
+            "progress_end" => self.progress(record, true),
+            _ => {
+                if self.progress.lock().unwrap().is_some() {
+                    self.progress(record, false)
+                } else if record.level() > Level::Warn {
+                    self.normal(record)
+                } else {
+                    self.error(record)
+                }
+            }
+        }
+    }
+
+    fn flush(&self) {
+        let _ = stdout().flush();
+    }
+}
+
+impl CliLogger {
+    pub fn new(all: bool, level: LevelFilter) -> Self {
+        Self {
+            all,
+            level,
+            progress: Mutex::new(None),
+        }
+    }
+
+    pub fn init(all: bool, level: LevelFilter) -> Result<(), SetLoggerError> {
+        set_max_level(level);
+        set_boxed_logger(Box::new(CliLogger::new(all, level)))
+    }
+
+    fn extended(&self, record: &Record) {
+        println!(
+            "[{}] {}  {} ({}) {}",
+            chrono::Utc::now().format("%Y-%m-%d %H:%M:%S"),
+            record.level(),
+            // replace the 'progress' prefix if this function is invoked via 'progress!'
+            record
+                .target()
+                .replacen("crunchy_cli_core", "crunchy_cli", 1)
+                .replacen("progress_end", "crunchy_cli", 1)
+                .replacen("progress", "crunchy_cli", 1),
+            format!("{:?}", thread::current().id())
+                .replace("ThreadId(", "")
+                .replace(')', ""),
+            record.args()
+        )
+    }
+
+    fn normal(&self, record: &Record) {
+        println!(":: {}", record.args())
+    }
+
+    fn error(&self, record: &Record) {
+        eprintln!(":: {}", record.args())
+    }
+
+    fn progress(&self, record: &Record, stop: bool) {
+        let mut progress = self.progress.lock().unwrap();
+
+        let msg = format!("{}", record.args());
+        if stop && progress.is_some() {
+            if msg.is_empty() {
+                progress.take().unwrap().finish()
+            } else {
+                progress.take().unwrap().finish_with_message(msg)
+            }
+        } else if let Some(p) = &*progress {
+            p.println(format!(":: → {}", msg))
+        } else {
+            #[cfg(not(windows))]
+            let finish_str = "✔";
+            #[cfg(windows)]
+            // windows does not support all unicode characters by default in their consoles, so
+            // we're using this (square root?) symbol instead. microsoft.
+            let finish_str = "√";
+
+            let pb = ProgressBar::new_spinner();
+            pb.set_style(
+                ProgressStyle::with_template(":: {spinner} {msg}")
+                    .unwrap()
+                    .tick_strings(&["—", "\\", "|", "/", finish_str]),
+            );
+            pb.enable_steady_tick(Duration::from_millis(200));
+            pb.set_message(msg);
+            *progress = Some(pb)
+        }
+    }
+}

crunchy-cli-core/src/utils/mod.rs

@@ -1,10 +1,11 @@
 pub mod clap;
 pub mod context;
+pub mod download;
+pub mod ffmpeg;
+pub mod filter;
 pub mod format;
 pub mod locale;
 pub mod log;
 pub mod os;
 pub mod parse;
-pub mod sort;
-pub mod subtitle;
 pub mod video;

crunchy-cli-core/src/utils/os.rs

@@ -37,7 +37,7 @@ pub fn tempfile<S: AsRef<str>>(suffix: S) -> io::Result<NamedTempFile> {
 
 /// Check if the given path exists and rename it until the new (renamed) file does not exist.
 pub fn free_file(mut path: PathBuf) -> (PathBuf, bool) {
-    // if it's a special file does not rename it
+    // do not rename it if it exists but is a special file
     if is_special_file(&path) {
         return (path, false);
     }

crunchy-cli-core/src/utils/parse.rs

@@ -4,8 +4,8 @@ use crunchyroll_rs::{Crunchyroll, MediaCollection, UrlType};
 use log::debug;
 use regex::Regex;
 
-/// Define a filter, based on season and episode number to filter episodes / movies.
-/// If a struct instance equals the [`Default::default()`] it's considered that no filter is applied.
+/// Define a find, based on season and episode number to find episodes / movies.
+/// If a struct instance equals the [`Default::default()`] it's considered that no find is applied.
 /// If `from_*` is [`None`] they're set to [`u32::MIN`].
 /// If `to_*` is [`None`] they're set to [`u32::MAX`].
 #[derive(Debug)]
@@ -62,7 +62,7 @@ impl UrlFilter {
 /// - `...[S3,S5]` - Download episode 3 and 5.
 /// - `...[S1-S3,S4E2-S4E6]` - Download season 1 to 3 and episode 2 to episode 6 of season 4.
 
-/// In practice, it would look like this: `https://beta.crunchyroll.com/series/12345678/example[S1E5-S3E2]`.
+/// In practice, it would look like this: `https://crunchyroll.com/series/12345678/example[S1E5-S3E2]`.
 pub async fn parse_url(
     crunchy: &Crunchyroll,
     mut url: String,
@@ -115,7 +115,7 @@ pub async fn parse_url(
 
         let url_filter = UrlFilter { inner: filters };
 
-        debug!("Url filter: {:?}", url_filter);
+        debug!("Url find: {:?}", url_filter);
 
         url_filter
     } else {
@@ -125,9 +125,11 @@ pub async fn parse_url(
     let parsed_url = crunchyroll_rs::parse_url(url).map_or(Err(anyhow!("Invalid url")), Ok)?;
     debug!("Url type: {:?}", parsed_url);
     let media_collection = match parsed_url {
-        UrlType::Series(id) | UrlType::MovieListing(id) | UrlType::EpisodeOrMovie(id) => {
-            crunchy.media_collection_from_id(id).await?
-        }
+        UrlType::Series(id)
+        | UrlType::MovieListing(id)
+        | UrlType::EpisodeOrMovie(id)
+        | UrlType::MusicVideo(id)
+        | UrlType::Concert(id) => crunchy.media_collection_from_id(id).await?,
     };
 
     Ok((media_collection, url_filter))
@@ -150,7 +152,7 @@ pub fn parse_resolution(mut resolution: String) -> Result<Resolution> {
     } else if resolution.ends_with('p') {
         let without_p = resolution.as_str()[0..resolution.len() - 1]
             .parse()
-            .map_err(|_| anyhow!("Could not parse resolution"))?;
+            .map_err(|_| anyhow!("Could not find resolution"))?;
         Ok(Resolution {
             width: without_p * 16 / 9,
             height: without_p,
@@ -159,12 +161,12 @@ pub fn parse_resolution(mut resolution: String) -> Result<Resolution> {
         Ok(Resolution {
             width: w
                 .parse()
-                .map_err(|_| anyhow!("Could not parse resolution"))?,
+                .map_err(|_| anyhow!("Could not find resolution"))?,
             height: h
                 .parse()
-                .map_err(|_| anyhow!("Could not parse resolution"))?,
+                .map_err(|_| anyhow!("Could not find resolution"))?,
         })
     } else {
-        bail!("Could not parse resolution")
+        bail!("Could not find resolution")
     }
 }

crunchy-cli-core/src/utils/sort.rs

@@ -1,52 +0,0 @@
-use crate::utils::format::Format;
-use crunchyroll_rs::{Media, Season};
-use std::collections::BTreeMap;
-
-/// Sort seasons after their season number. Crunchyroll may have multiple seasons for one season
-/// number. They generally store different language in individual seasons with the same season number.
-/// E.g. series X has one official season but crunchy has translations for it in 3 different languages
-/// so there exist 3 different "seasons" on Crunchyroll which are actual the same season but with
-/// different audio.
-pub fn sort_seasons_after_number(seasons: Vec<Media<Season>>) -> Vec<Vec<Media<Season>>> {
-    let mut as_map = BTreeMap::new();
-
-    for season in seasons {
-        as_map
-            .entry(season.metadata.season_number)
-            .or_insert_with(Vec::new);
-        as_map
-            .get_mut(&season.metadata.season_number)
-            .unwrap()
-            .push(season)
-    }
-
-    as_map.into_values().collect()
-}
-
-/// Sort formats after their seasons and episodes (inside it) ascending. Make sure to have only
-/// episodes from one series and in one language as argument since the function does not handle those
-/// differences which could then lead to a semi messed up result.
-pub fn sort_formats_after_seasons(formats: Vec<Format>) -> Vec<Vec<Format>> {
-    let mut as_map = BTreeMap::new();
-
-    for format in formats {
-        // the season title is used as key instead of season number to distinguish duplicated season
-        // numbers which are actually two different seasons; season id is not used as this somehow
-        // messes up ordering when duplicated seasons exist
-        as_map
-            .entry(format.season_title.clone())
-            .or_insert_with(Vec::new);
-        as_map.get_mut(&format.season_title).unwrap().push(format);
-    }
-
-    let mut sorted = as_map
-        .into_iter()
-        .map(|(_, mut values)| {
-            values.sort_by(|a, b| a.episode_number.total_cmp(&b.episode_number));
-            values
-        })
-        .collect::<Vec<Vec<Format>>>();
-    sorted.sort_by(|a, b| a[0].season_number.cmp(&b[0].season_number));
-
-    sorted
-}

crunchy-cli-core/src/utils/subtitle.rs

@@ -1,119 +0,0 @@
-use crate::utils::os::tempfile;
-use anyhow::Result;
-use chrono::NaiveTime;
-use crunchyroll_rs::media::StreamSubtitle;
-use crunchyroll_rs::Locale;
-use regex::Regex;
-use std::io::Write;
-use tempfile::TempPath;
-
-#[derive(Clone)]
-pub struct Subtitle {
-    pub stream_subtitle: StreamSubtitle,
-    pub audio_locale: Locale,
-    pub episode_id: String,
-    pub forced: bool,
-    pub primary: bool,
-}
-
-pub async fn download_subtitle(
-    subtitle: StreamSubtitle,
-    max_length: NaiveTime,
-) -> Result<TempPath> {
-    let tempfile = tempfile(".ass")?;
-    let (mut file, path) = tempfile.into_parts();
-
-    let mut buf = vec![];
-    subtitle.write_to(&mut buf).await?;
-    buf = fix_subtitle_look_and_feel(buf);
-    buf = fix_subtitle_length(buf, max_length);
-
-    file.write_all(buf.as_slice())?;
-
-    Ok(path)
-}
-
-/// Add `ScaledBorderAndShadows: yes` to subtitles; without it they look very messy on some video
-/// players. See [crunchy-labs/crunchy-cli#66](https://github.com/crunchy-labs/crunchy-cli/issues/66)
-/// for more information.
-fn fix_subtitle_look_and_feel(raw: Vec<u8>) -> Vec<u8> {
-    let mut script_info = false;
-    let mut new = String::new();
-
-    for line in String::from_utf8_lossy(raw.as_slice()).split('\n') {
-        if line.trim().starts_with('[') && script_info {
-            new.push_str("ScaledBorderAndShadow: yes\n");
-            script_info = false
-        } else if line.trim() == "[Script Info]" {
-            script_info = true
-        }
-        new.push_str(line);
-        new.push('\n')
-    }
-
-    new.into_bytes()
-}
-
-/// Fix the length of subtitles to a specified maximum amount. This is required because sometimes
-/// subtitles have an unnecessary entry long after the actual video ends with artificially extends
-/// the video length on some video players. To prevent this, the video length must be hard set. See
-/// [crunchy-labs/crunchy-cli#32](https://github.com/crunchy-labs/crunchy-cli/issues/32) for more
-/// information.
-fn fix_subtitle_length(raw: Vec<u8>, max_length: NaiveTime) -> Vec<u8> {
-    let re =
-        Regex::new(r#"^Dialogue:\s\d+,(?P<start>\d+:\d+:\d+\.\d+),(?P<end>\d+:\d+:\d+\.\d+),"#)
-            .unwrap();
-
-    // chrono panics if we try to format NaiveTime with `%2f` and the nano seconds has more than 2
-    // digits so them have to be reduced manually to avoid the panic
-    fn format_naive_time(native_time: NaiveTime) -> String {
-        let formatted_time = native_time.format("%f").to_string();
-        format!(
-            "{}.{}",
-            native_time.format("%T"),
-            if formatted_time.len() <= 2 {
-                native_time.format("%2f").to_string()
-            } else {
-                formatted_time.split_at(2).0.parse().unwrap()
-            }
-        )
-    }
-
-    let length_as_string = format_naive_time(max_length);
-    let mut new = String::new();
-
-    for line in String::from_utf8_lossy(raw.as_slice()).split('\n') {
-        if let Some(capture) = re.captures(line) {
-            let start = capture.name("start").map_or(NaiveTime::default(), |s| {
-                NaiveTime::parse_from_str(s.as_str(), "%H:%M:%S.%f").unwrap()
-            });
-            let end = capture.name("end").map_or(NaiveTime::default(), |s| {
-                NaiveTime::parse_from_str(s.as_str(), "%H:%M:%S.%f").unwrap()
-            });
-
-            if start > max_length {
-                continue;
-            } else if end > max_length {
-                new.push_str(
-                    re.replace(
-                        line,
-                        format!(
-                            "Dialogue: {},{},",
-                            format_naive_time(start),
-                            &length_as_string
-                        ),
-                    )
-                    .to_string()
-                    .as_str(),
-                )
-            } else {
-                new.push_str(line)
-            }
-        } else {
-            new.push_str(line)
-        }
-        new.push('\n')
-    }
-
-    new.into_bytes()
-}

crunchy-cli-core/src/utils/video.rs

@@ -1,25 +1,25 @@
 use anyhow::Result;
-use chrono::NaiveTime;
-use regex::Regex;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
+use crunchyroll_rs::media::{Resolution, Stream, VariantData};
 
-/// Get the length of a video. This is required because sometimes subtitles have an unnecessary entry
-/// long after the actual video ends with artificially extends the video length on some video players.
-/// To prevent this, the video length must be hard set. See
-/// [crunchy-labs/crunchy-cli#32](https://github.com/crunchy-labs/crunchy-cli/issues/32) for more
-/// information.
-pub fn get_video_length(path: PathBuf) -> Result<NaiveTime> {
-    let video_length = Regex::new(r"Duration:\s(?P<time>\d+:\d+:\d+\.\d+),")?;
+pub async fn variant_data_from_stream(
+    stream: &Stream,
+    resolution: &Resolution,
+) -> Result<Option<(VariantData, VariantData)>> {
+    let mut streaming_data = stream.dash_streaming_data(None).await?;
+    streaming_data
+        .0
+        .sort_by(|a, b| a.bandwidth.cmp(&b.bandwidth).reverse());
+    streaming_data
+        .1
+        .sort_by(|a, b| a.bandwidth.cmp(&b.bandwidth).reverse());
 
-    let ffmpeg = Command::new("ffmpeg")
-        .stdout(Stdio::null())
-        .stderr(Stdio::piped())
-        .arg("-y")
-        .args(["-i", path.to_str().unwrap()])
-        .output()?;
-    let ffmpeg_output = String::from_utf8(ffmpeg.stderr)?;
-    let caps = video_length.captures(ffmpeg_output.as_str()).unwrap();
-
-    Ok(NaiveTime::parse_from_str(caps.name("time").unwrap().as_str(), "%H:%M:%S%.f").unwrap())
+    let video_variant = match resolution.height {
+        u64::MAX => Some(streaming_data.0.into_iter().next().unwrap()),
+        u64::MIN => Some(streaming_data.0.into_iter().last().unwrap()),
+        _ => streaming_data
+            .0
+            .into_iter()
+            .find(|v| resolution.height == v.resolution.height),
+    };
+    Ok(video_variant.map(|v| (v, streaming_data.1.first().unwrap().clone())))
 }