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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2023-09-29 16:17:56 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2023-10-02 12:22:05 +0200
commit0c1103d4dc4c6af56b09df6d4ecb252606666d7b (patch)
treeb31903adb0f6cd1be8b9893ac87025bc8657de39 /libavfilter/vf_spp.h
parent9e531370b3da27aa72703b9bb40cdd697e88607e (diff)
downloadffmpeg-0c1103d4dc4c6af56b09df6d4ecb252606666d7b.tar.gz
avformat/matroskaenc: Don't create wrong packet durations
We have to write an explicit BlockDuration element (and use a BlockGroup instead of a SimpleBlock) in case the Track has a DefaultDuration that is inconsistent with the duration of the packet. The matroska-h264-remux test uses a file with coded fields where the duration of a Block is the duration of a field, not of a frame, therefore this patch writes said BlockDuration elements. (When using a BlockGroup, one has to add ReferenceBlock elements to distinguish keyframes from non-keyframes. Unfortunately, the AV1 codec mapping [1] requires us to reference all references and to really use the real references, which requires a lot of effort for basically no gain. When BlockGroups are used with AV1, the created files are most likely invalid, both before and after this patch, but this patch makes this more likely to happen.) [1]: https://github.com/ietf-wg-cellar/matroska-specification/blob/master/codec/av1.md Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavfilter/vf_spp.h')
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