[FFmpeg-trac] #2811(avcodec:new): error shown for h264 I-frame

FFmpeg trac at avcodec.org
Fri Jul 26 15:34:25 CEST 2013


#2811: error shown for h264 I-frame
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  minor      |              Component:  avcodec
                Version:  git-       |               Keywords:  regression
  master                             |  h264
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://thread.gmane.org/gmane.comp.video.ffmpeg.user/44281/focus=46797
 A user uploaded a transport stream recorded with a camera for which FFmpeg
 shows an error message (only) when decoding the first frame (an I-frame,
 not an IDR-frame).
 The same error is shown when only reading the raw I-frame since d9ced9f
 (related to ticket #711), the frame can be decoded with the reference
 decoder (bit-identical with FFmpeg).
 {{{
 $ ffmpeg -i 00005.mts.Iframe.264 ^C
 cehoyos at lisbeth:~/test/cehoyos/Samples/users> mv 00005.mts.Iframe.264
 Iframe.264
 cehoyos at lisbeth:~/test/cehoyos/Samples/users> ~/test/cehoyos/FFmpeg/ffmpeg
 -i Iframe.264
 ffmpeg version N-54946-gaf2a196 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Jul 26 2013 15:31:59 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 40.100 / 52. 40.100
   libavcodec     55. 19.100 / 55. 19.100
   libavformat    55. 12.102 / 55. 12.102
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 81.103 /  3. 81.103
   libswscale      2.  4.100 /  2.  4.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100
 [h264 @ 0x1c19be0] mmco: unref short failure
 [h264 @ 0x1c19080] decoding for stream 0 failed
 Input #0, h264, from 'Iframe.264':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: h264 (High), yuv420p, 1280x720 [SAR 1:1 DAR 16:9],
 50 tbr, 1200k tbn, 100 tbc
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2811>
FFmpeg <http://ffmpeg.org>
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