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avformat/movenc: avoid negative cts offsets when using an edit list with CMAF output

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Fixes issue #23417.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2026-06-10 18:14:42 +00:00
parent d05786cf23
commit cf0244aa38
1 changed files with 3 additions and 0 deletions
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libavformat/movenc.c
+3
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@@ -8206,6 +8206,9 @@ static int mov_init(AVFormatContext *s)
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist)
mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
!(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;