[FFmpeg-trac] #3931(avformat:new): H264 streams in mov not analyzed long enough

FFmpeg trac at avcodec.org
Sun Sep 7 21:49:31 CEST 2014


#3931: H264 streams in mov not analyzed long enough
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  minor      |              Component:  avformat
                Version:  git-       |               Keywords:  mov h264
  master                             |  analyzeduration
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Users uploaded two mov files that cannot be probed correctly with the
 default value for {{{-analyzeduration}}}. The issue looks similar to
 ticket #3673, I will attach a poc that shows a possible fix.
 Both files work fine with {{{-analyzeduration 6M}}}.
 {{{
 $ ffmpeg -i PMS_transcoder_issue-GHI59.mp4
 ffmpeg version N-66181-ga5b20bf Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Sep  7 2014 20:59:32 with gcc 4.7 (SUSE Linux)
   configuration:
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  1.100 / 56.  1.100
   libavformat    56.  4.101 / 56.  4.101
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  1.100 /  5.  1.100
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x1dfbb20] Could not find codec parameters for
 stream 0 (Video: h264 (avc1 / 0x31637661), 1280x720, 4317 kb/s):
 unspecified pixel format
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'PMS_transcoder_issue-GHI59.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     title           : Dexter - Das Fest der Dankbarkeit (S04E09)
     encoder         : Lavf55.28.101
   Duration: 00:02:00.00, start: 0.010000, bitrate: 4577 kb/s
     Chapter #0.0: start 0.000000, end 120.000000
     Metadata:
       title           : 00:27:19.221
     Stream #0:0(und): Video: h264 (avc1 / 0x31637661), 1280x720, 4317
 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 48k tbc (default)
     Metadata:
       handler_name    : VideoHandler
     Stream #0:1(ger): Audio: aac (mp4a / 0x6134706D), 48000 Hz, 5.1, s16,
 468 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
     Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574)
     Metadata:
       handler_name    : SubtitleHandler
 At least one output file must be specified
 }}}
 {{{
 $ ffmpeg -i slice_00007.m4v
 ffmpeg version N-66181-ga5b20bf Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Sep  7 2014 20:59:32 with gcc 4.7 (SUSE Linux)
   configuration:
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  1.100 / 56.  1.100
   libavformat    56.  4.101 / 56.  4.101
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  1.100 /  5.  1.100
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x25f9b20] Could not find codec parameters for
 stream 0 (Video: h264 (avc1 / 0x31637661), 720x352, 1651 kb/s):
 unspecified pixel format
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'slice_00007.m4v':
   Metadata:
     major_brand     : M4V
     minor_version   : 512
     compatible_brands: isomiso2avc1
     encoder         : Lavf55.19.104
   Duration: 02:09:08.07, start: 0.018000, bitrate: 1036 kb/s
     Chapter #0.0: start 0.000000, end 172.140000
     Metadata:
       title           : Chapter 1
     Chapter #0.1: start 172.140000, end 421.689000
     Metadata:
       title           : Chapter 2
     Chapter #0.2: start 421.689000, end 525.360000
     Metadata:
       title           : Chapter 3
     Chapter #0.3: start 525.360000, end 659.827000
     Metadata:
       title           : Chapter 4
     Chapter #0.4: start 659.827000, end 787.088000
     Metadata:
       title           : Chapter 5
     Chapter #0.5: start 787.088000, end 981.415000
     Metadata:
       title           : Chapter 6
     Chapter #0.6: start 981.415000, end 1080.047000
     Metadata:
       title           : Chapter 7
     Chapter #0.7: start 1080.047000, end 1242.943000
     Metadata:
       title           : Chapter 8
     Chapter #0.8: start 1242.943000, end 1418.018000
     Metadata:
       title           : Chapter 9
     Chapter #0.9: start 1418.018000, end 1807.841000
     Metadata:
       title           : Chapter 10
     Chapter #0.10: start 1807.841000, end 1952.118000
     Metadata:
       title           : Chapter 11
     Chapter #0.11: start 1952.118000, end 2090.790000
     Metadata:
       title           : Chapter 12
     Chapter #0.12: start 2090.790000, end 2324.257000
     Metadata:
       title           : Chapter 13
     Chapter #0.13: start 2324.257000, end 2454.454000
     Metadata:
       title           : Chapter 14
     Chapter #0.14: start 2454.454000, end 2652.785000
     Metadata:
       title           : Chapter 15
     Chapter #0.15: start 2652.785000, end 2929.695000
     Metadata:
       title           : Chapter 16
     Chapter #0.16: start 2929.695000, end 3054.153000
     Metadata:
       title           : Chapter 17
     Chapter #0.17: start 3054.153000, end 3206.038000
     Metadata:
       title           : Chapter 18
     Chapter #0.18: start 3206.038000, end 3518.450000
     Metadata:
       title           : Chapter 19
     Chapter #0.19: start 3518.450000, end 3689.020000
     Metadata:
       title           : Chapter 20
     Chapter #0.20: start 3689.020000, end 4028.059000
     Metadata:
       title           : Chapter 21
     Chapter #0.21: start 4028.059000, end 4154.886000
     Metadata:
       title           : Chapter 22
     Chapter #0.22: start 4154.886000, end 4302.566000
     Metadata:
       title           : Chapter 23
     Chapter #0.23: start 4302.566000, end 4532.663000
     Metadata:
       title           : Chapter 24
     Chapter #0.24: start 4532.663000, end 4750.080000
     Metadata:
       title           : Chapter 25
     Chapter #0.25: start 4750.080000, end 4950.080000
     Metadata:
       title           : Chapter 26
     Chapter #0.26: start 4950.080000, end 5496.860000
     Metadata:
       title           : Chapter 27
     Chapter #0.27: start 5496.860000, end 5940.569000
     Metadata:
       title           : Chapter 28
     Chapter #0.28: start 5940.569000, end 6116.345000
     Metadata:
       title           : Chapter 29
     Chapter #0.29: start 6116.345000, end 6202.064000
     Metadata:
       title           : Chapter 30
     Chapter #0.30: start 6202.064000, end 6461.206000
     Metadata:
       title           : Chapter 31
     Chapter #0.31: start 6461.206000, end 6667.083000
     Metadata:
       title           : Chapter 32
     Chapter #0.32: start 6667.083000, end 6894.076000
     Metadata:
       title           : Chapter 33
     Chapter #0.33: start 6894.076000, end 6998.481000
     Metadata:
       title           : Chapter 34
     Chapter #0.34: start 6998.481000, end 7158.507000
     Metadata:
       title           : Chapter 35
     Chapter #0.35: start 7158.507000, end 7352.468000
     Metadata:
       title           : Chapter 36
     Chapter #0.36: start 7352.468000, end 7526.174000
     Metadata:
       title           : Chapter 37
     Chapter #0.37: start 7526.174000, end 7613.662000
     Metadata:
       title           : Chapter 38
     Chapter #0.38: start 7613.662000, end 7748.071000
     Metadata:
       title           : Chapter 39
     Stream #0:0(und): Video: h264 (avc1 / 0x31637661), 720x352, 1651 kb/s,
 SAR 704:783 DAR 160:87, 23.99 fps, 59.94 tbr, 90k tbn, 180k tbc (default)
     Metadata:
       handler_name    : VideoHandler
     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
 s16, 159 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
     Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574)
     Metadata:
       handler_name    : SubtitleHandler
 At least one output file must be specified
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3931>
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