[FFmpeg-trac] #384(undetermined:new): Incorrect number of frames reported with .3gp file

FFmpeg trac at avcodec.org
Mon Aug 8 06:17:01 CEST 2011

#384: Incorrect number of frames reported with .3gp file
 Reporter:  hackish       |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:  frame count   |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
 This problem was originally encountered debugging an openCV problem.
 ffmpeg reports an incorrect number of frames with .3gp files. I have
 verified this with 2 different sources.

 GSpot reports 684 frames with the attached file and I have verified this
 by decoding and counting all the frames. ffmpeg however reports 813
 frames. In another test I had a file with 10650 frames but ffmpeg reported
 21309 frames. (file is 50mb so not included).

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/384>
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