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Use precise durations for segment splits (needed in hardware transcode mode)

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This commit is contained in:
Zoe Roux 2024-02-24 15:05:00 +00:00
parent f5c629cb8a
commit 00831fdb61
1 changed files with 4 additions and 3 deletions
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7
transcoder/src/stream.go
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@ -218,9 +218,10 @@ func (ts *Stream) run(start int32) error {
"-segment_time_delta", "0.2", "-segment_time_delta", "0.2",
"-segment_format", "mpegts", "-segment_format", "mpegts",
"-segment_times", toSegmentStr(Map(segments, func(seg float64, _ int) float64 { "-segment_times", toSegmentStr(Map(segments, func(seg float64, _ int) float64 {
// for a strange reason, -segment-times does not respects -copyts so we must // segment_times want durations, not timestamps so we must substract the -ss param
// remove the start_ref (-ss param) // since we give a greater value to -ss to prevent wrong seeks but -segment_times
return seg - start_ref // needs precise segments, we use the keyframe we want to seek to as a reference.
return seg - ts.file.Keyframes[start]
})), })),
"-segment_list_type", "flat", "-segment_list_type", "flat",
"-segment_list", "pipe:1", "-segment_list", "pipe:1",