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Code Issues Releases Activity

avformat/movenc: Fix editlist with hybrid_fragmented

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The segment_duration must not be set to zero when writing the moov
atom for the second time. This is related to edit lists in standard
MP4 files.

Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili
2025-06-13 01:32:31 +08:00
parent 98c281152c
commit 920071355d
1 changed files with 7 additions and 2 deletions
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9
libavformat/movenc.c
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@@ -4036,8 +4036,13 @@ static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
/* For fragmented files, we don't know the full length yet. Setting
* duration to 0 allows us to only specify the offset, including
* the rest of the content (from all future fragments) without specifying
* an explicit duration. */
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
* an explicit duration.
*
* For hybrid_fragmented during mov_write_trailer (mov->moov_written != 0),
* don't reset duration to zero.
*/
if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
!(mov->flags & FF_MOV_FLAG_HYBRID_FRAGMENTED && mov->moov_written))
duration = 0;
/* duration */