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Fix subtitle burn-in error (#198)

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This commit is contained in:
ByteDream 2023-04-23 13:45:53 +02:00
parent ce358041be
commit 7b1ed30b20
1 changed files with 34 additions and 29 deletions
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63
crunchy-cli-core/src/utils/download.rs
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@ -252,20 +252,28 @@ impl Downloader {
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),
]);
// this formats are supporting embedding subtitles into the video container instead of
// burning it into the video stream directly
let container_supports_softsubs =
["mkv", "mp4"].contains(&dst.extension().unwrap_or_default().to_str().unwrap());
if container_supports_softsubs {
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();
@ -283,17 +291,12 @@ impl Downloader {
.position(|m| m.language == default_subtitle)
{
match dst.extension().unwrap_or_default().to_str().unwrap() {
"mkv" => (),
"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
@ -314,7 +317,7 @@ impl Downloader {
output_presets.extend([
"-vf".to_string(),
format!(
"subtitles={}",
"ass={}",
subtitles.get(position).unwrap().path.to_str().unwrap()
),
])
@ -322,14 +325,16 @@ impl Downloader {
}
}
if let Some(position) = subtitles
.iter()
.position(|meta| meta.language == default_subtitle)
{
command_args.extend([
format!("-disposition:s:s:{}", position),
"forced".to_string(),
])
if container_supports_softsubs {
if let Some(position) = subtitles
.iter()
.position(|meta| meta.language == default_subtitle)
{
command_args.extend([
format!("-disposition:s:s:{}", position),
"forced".to_string(),
])
}
}
}