[FFmpeg-trac] #1042(undetermined:new): Regression causes DV copy to fail

[FFmpeg]

#1042: Regression causes DV copy to fail
-------------------------------------+-------------------------------------
               Reporter:  llogan     |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  dv
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 7b2dba1c50c92c76f147727be7c27872252e29f6 bad
 084bd109fcaaddd30d90601aff1f987abebadbfb good

 input sample:
 http://www.mediafire.com/file/8agcdgs2f9kqlbi/submarine.dv

 Does not work.
 {{{
 $ ./ffmpeg -loglevel debug -i ~/vbox/submarine.dv -vcodec copy -acodec
 copy -y ~/copy.dv
 ffmpeg version N-36190-g7b2dba1, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Mar  6 2012 17:30:27 with gcc 4.4.5
   configuration:
   libavutil      51. 33.100 / 51. 33.100
   libavcodec     53. 48.100 / 53. 48.100
   libavformat    53. 28.100 / 53. 28.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 54.100 /  2. 54.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  5.100 /  0.  5.100
 [dv @ 0x23777e0] Format dv probed with size=131072 and score=75
 [dvvideo @ 0x237db80] err{or,}_recognition separate: 1; 1
 [dvvideo @ 0x237db80] err{or,}_recognition combined: 1; 10001
 [dvvideo @ 0x237db80] Unsupported bit depth: 0
 [pcm_s16le @ 0x237e8a0] err{or,}_recognition separate: 1; 1
 [pcm_s16le @ 0x237e8a0] err{or,}_recognition combined: 1; 10001
 [dv @ 0x23777e0] All info found
 [dv @ 0x23777e0] Estimating duration from bitrate, this may be inaccurate
 Input #0, dv, from '/home/lou/vbox/submarine.dv':
   Metadata:
     timecode        : 00:00:00:00
   Duration: 00:00:09.97, start: 0.000000, bitrate: 28771 kb/s
     Stream #0:0, 1, 1001/30000: Video: dvvideo, yuv411p, 720x480,
 1001/30000, 28771 kb/s, SAR 8:9 DAR 4:3, 29.97 tbr, 29.97 tbn, 29.97 tbc
     Stream #0:1, 1, 1/30000: Audio: pcm_s16le, 48000 Hz, 2 channels, s16,
 1536 kb/s
 [dv @ 0x237ed60] Can't initialize DV format!
 Make sure that you supply exactly two streams:
      video: 25fps or 29.97fps, audio: 2ch/48kHz/PCM
      (50Mbps allows an optional second audio stream)
 Output #0, dv, to '/home/lou/copy.dv':
   Metadata:
     timecode        : 00:00:00:00
     encoder         : Lavf53.28.100
     Stream #0:0, 0, 1/90000: Video: dvvideo, yuv411p, 720x480 [SAR 8:9 DAR
 4:3], 1001/30000, q=2-31, 28771 kb/s, 90k tbn, 29.97 tbc
     Stream #0:1, 0, 1/90000: Audio: pcm_s16le, 48000 Hz, 2 channels, 1536
 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
 Could not write header for output file #0 (incorrect codec parameters ?)
 }}}

 Works:
 {{{
 $ ./ffmpeg -i ~/vbox/test.dv -vcodec copy -acodec copy -y ~/cut.dv
 ffmpeg version N-36189-g084bd10, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Mar  6 2012 17:06:32 with gcc 4.4.5
   configuration:
   libavutil      51. 33.100 / 51. 33.100
   libavcodec     53. 48.100 / 53. 48.100
   libavformat    53. 28.100 / 53. 28.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 54.100 /  2. 54.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  5.100 /  0.  5.100
 [dv @ 0x219a7e0] Estimating duration from bitrate, this may be inaccurate
 Input #0, dv, from '/home/lou/vbox/test.dv':
   Metadata:
     timecode        : 00:00:00:00
   Duration: 00:00:09.97, start: 0.000000, bitrate: 28771 kb/s
     Stream #0:0: Video: dvvideo, yuv411p, 720x480, 28771 kb/s, SAR 8:9 DAR
 4:3, 29.97 tbr, 29.97 tbn, 29.97 tbc
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
 Output #0, dv, to '/home/lou/cut.dv':
   Metadata:
     timecode        : 00:00:00:00
     encoder         : Lavf53.28.100
     Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 8:9 DAR 4:3],
 q=2-31, 28771 kb/s, 90k tbn, 29.97 tbc
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, 2 channels, 1536 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 frame=  299 fps=  0 q=-1.0 Lsize=   35039kB time=00:00:09.97
 bitrate=28771.3kbits/s
 video:35039kB audio:1871kB global headers:0kB muxing overhead -5.068094%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1042>
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