Opened 3 years ago

Last modified 3 years ago

#3931 new defect

H264 streams in mov not analyzed long enough

Reported by: cehoyos Owned by:
Priority: minor Component: avformat
Version: git-master Keywords: mov h264 analyzeduration
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

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

Attachments (1)

patchmovanalyze.diff (724 bytes) - added by cehoyos 3 years ago.

Download all attachments as: .zip

Change History (2)

Changed 3 years ago by cehoyos

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