[FFmpeg-trac] #5904(avformat:new): mov regression

FFmpeg trac at avcodec.org
Wed Feb 15 11:16:43 EET 2017

#5904: mov regression
             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov edts     |               Blocked By:
  regression                         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |

Comment (by cehoyos):

 Replying to [comment:2 isasi]:
 > stts:
 > sample count , sample duration
 > 688128 , 0
 > 0, 0
 > The sample duration of in stts atom is zero . I don't know if we need to
 support such file?

 It played fine by default in the past.

 > The problem is that there are 688128 audio samples with zero timestamp
 in the audio stream index. With edit list patch we are seeking to
 timestamp zero for the editlist entry, using av_index_search_timestamp
 which does a binary search and lands somewhere in the middle. So half the
 audio samples are removed from the index.

 This sounds as if it would be possible to fix this specific sample.

Ticket URL: <https://trac.ffmpeg.org/ticket/5904#comment:3>
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