[FFmpeg-trac] #6402(avformat:new): First frames incorrect after seeking on H264 file
FFmpeg
trac at avcodec.org
Thu Jul 13 01:19:00 EEST 2017
#6402: First frames incorrect after seeking on H264 file
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Reporter: jrummell | Owner:
Type: defect | Status: new
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: mov | Blocked By:
regression | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
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Comment (by dalecurtis):
Seems the code may be reading the wrong trun box?
good:
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc410020c00] mov_read_trun, ctts_index: 320,
duration: 3003, sample_duration:3003, file_position:860478
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc410020c00] mov_read_trun, ctts_index: 321,
duration: 9009, sample_duration:3003, file_position:860478
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc410020c00] mov_read_trun, ctts_index: 322,
duration: 0, sample_duration:3003, file_position:860478
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc410020c00] mov_read_trun, ctts_index: 323,
duration: 0, sample_duration:3003, file_position:860478
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc410020c00] mov_read_trun, ctts_index: 324,
duration: 3003, sample_duration:3003, file_position:860478
bad:
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc060836800] mov_read_trun, ctts_index: 320,
duration: 3003, sample_duration:3003, file_position:3350481
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc060836800] mov_read_trun, ctts_index: 321,
duration: 3003, sample_duration:3003, file_position:3350481
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc060836800] mov_read_trun, ctts_index: 322,
duration: 3003, sample_duration:3003, file_position:3350481
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc060836800] mov_read_trun, ctts_index: 323,
duration: 3003, sample_duration:3003, file_position:3350481
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc060836800] mov_read_trun, ctts_index: 324,
duration: 3003, sample_duration:3003, file_position:3350481
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6402#comment:8>
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