[FFmpeg-trac] #2738(avcodec:new): Recovery point / I-frame missed on h264 stream

[FFmpeg]

#2738: Recovery point / I-frame missed on h264 stream
--------------------------------------+---------------------------------
               Reporter:  cehoyos     |                  Owner:
                   Type:  defect      |                 Status:  new
               Priority:  normal      |              Component:  avcodec
                Version:  git-master  |               Keywords:  h264
             Blocked By:              |               Blocking:
Reproduced by developer:  0           |  Analyzed by developer:  0
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 http://thread.gmane.org/gmane.comp.video.ffmpeg.user/46431
 I will attach an elementary stream for which FFmpeg decodes five frames
 before the first I-frame
 {{{
 $ ffmpeg -vsync 0 -i h264fail.h264 -vframes 10 out%2d.png
 ffmpeg version N-54342-gbf87908 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Jul  2 2013 01:54:34 with gcc 4.3 (SUSE Linux)
   configuration: --enable-gpl --enable-libopenjpeg --extra-ldflags=-lm
   libavutil      52. 38.100 / 52. 38.100
   libavcodec     55. 18.100 / 55. 18.100
   libavformat    55. 10.100 / 55. 10.100
   libavdevice    55.  2.100 / 55.  2.100
   libavfilter     3. 77.101 /  3. 77.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS referenced
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS 0 referenced
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] no frame!
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS referenced
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS 0 referenced
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] no frame!
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS referenced
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS 0 referenced
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] no frame!
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS referenced
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS 0 referenced
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] no frame!
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS referenced
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS 0 referenced
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] no frame!
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS referenced
 [h264 @ 0x90a54a0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0x90a54a0] non-existing PPS 0 referenced
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] no frame!
 [h264 @ 0x90a54a0] mmco: unref short failure
     Last message repeated 2 times
 Input #0, h264, from 'h264fail.h264':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: h264 (High), yuv420p, 1280x720 [SAR 1:1 DAR 16:9],
 47.67 fps, 50 tbr, 1200k tbn, 100 tbc
 Output #0, image2, to 'out%2d.png':
   Metadata:
     encoder         : Lavf55.10.100
     Stream #0:0: Video: png, rgb24, 1280x720 [SAR 1:1 DAR 16:9], q=2-31,
 200 kb/s, 90k tbn, 50 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> png)
 Press [q] to stop, [?] for help
 [h264 @ 0x90a54a0] Missing reference picture, default is 0
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] Missing reference picture, default is 0
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] reference picture missing during reorder
 [h264 @ 0x90a54a0] Missing reference picture, default is 0
 [h264 @ 0x90a54a0] decode_slice_header error
 [h264 @ 0x90a54a0] mmco: unref short failure
     Last message repeated 1 times
 frame=   10 fps=2.2 q=0.0 Lsize=N/A time=00:00:00.30 bitrate=N/A
 video:10475kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 -100.000205%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2738>
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