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https://github.com/FliegendeWurst/ripgrep-all.git
synced 2024-11-08 14:00:37 +00:00
ffmpeg: process all subtitle streams
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58345767dc
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be4b4fb8fe
@ -54,7 +54,7 @@ struct FFprobeOutput {
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}
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#[derive(Serialize, Deserialize)]
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struct FFprobeStream {
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codec_type: String, // video,audio,subtitle
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index: i32, // stream index
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}
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#[async_trait]
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@ -80,17 +80,13 @@ impl WritingFileAdapter for FFmpegAdapter {
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}
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let inp_fname = filepath_hint;
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let spawn_fail = |e| map_exe_error(e, "ffprobe", "Make sure you have ffmpeg installed.");
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let has_subtitles = {
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let subtitle_streams = {
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let probe = Command::new("ffprobe")
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.args(vec![
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"-v",
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"error",
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"-select_streams",
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"s",
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"-of",
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"json",
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"-show_entries",
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"stream=codec_type",
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"-v", "error", // show all errors
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"-select_streams", "s", // show only subtitle streams
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"-of", "json", // use json as output format
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"-show_entries", "stream=index", // show index of subtitle streams
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])
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.arg("-i")
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.arg(&inp_fname)
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@ -105,7 +101,7 @@ impl WritingFileAdapter for FFmpegAdapter {
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));
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}
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let p: FFprobeOutput = serde_json::from_slice(&probe.stdout)?;
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!p.streams.is_empty()
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p.streams
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};
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{
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// extract file metadata (especially chapter names in a greppable format)
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@ -138,14 +134,16 @@ impl WritingFileAdapter for FFmpegAdapter {
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return Err(format_err!("ffprobe failed: {:?}", exit));
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}
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}
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if has_subtitles {
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if subtitle_streams.len() > 0 {
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for probe_stream in subtitle_streams.iter() {
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// extract subtitles
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let mut cmd = Command::new("ffmpeg");
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cmd.arg("-hide_banner")
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.arg("-loglevel")
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.arg("panic")
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.arg("-loglevel").arg("panic")
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.arg("-i")
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.arg(&inp_fname)
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.arg("-map")
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.arg(format!("0:{}", probe_stream.index.to_string())) // 0 for first input
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.arg("-f")
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.arg("webvtt")
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.arg("-");
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@ -166,6 +164,7 @@ impl WritingFileAdapter for FFmpegAdapter {
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}
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}
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}
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}
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Ok(())
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}
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}
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