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Fix audio sync issue

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This commit is contained in:
Zoe Roux 2024-02-11 16:51:41 +01:00
parent 1e0ff4a950
commit 4167704f85
1 changed files with 16 additions and 3 deletions
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19
transcoder/src/stream.go
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@ -178,9 +178,22 @@ func (ts *Stream) run(start int32) error {
// sometimes, the duration is shorter than expected (only during transcode it seems)
// always include more and use the -f segment to split the file where we want
end_ref := ts.file.Keyframes[end+1]
args = append(args,
"-t", fmt.Sprintf("%.6f", end_ref-start_ref),
)
if ts.handle.getFlags()&AudioF != 0 {
// for reasons i don't understand, not using -copyts breaks hls.js
// segments are split where they should but hls.js think this is not the right segment and seek after
// another weird think is that -t can't be used with -copyts, ffmpeg creates 1 empty segment and stops
args = append(args,
"-copyts",
"-to", fmt.Sprintf("%.6f", end_ref),
)
} else {
// videos on the other end needs to not use -copyts and instead use -t
// if -copyts and -to are used, sometimes the video is cut too short so
// we miss a segment or two at the end
args = append(args,
"-t", fmt.Sprintf("%.6f", end_ref-start_ref),
)
}
}
args = append(args, ts.handle.getTranscodeArgs(segments_str)...)
args = append(args,