[FFmpeg-trac] #10802(undetermined:new): misleading error message in dv muxer?

[FFmpeg]

#10802: misleading error message in dv muxer?
-------------------------------------+-------------------------------------
             Reporter:  Andrew-R     |                     Type:  defect
               Status:  new          |                 Priority:  minor
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  dvvideo      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:

 download dv-avi-test.avi from http://samples.mplayerhq.hu/avi/DV-type2/

 I tried to un-wrap it to make raw dv stream for testing

 {{{
 /dev/shm/ffmpeg/ffmpeg -i  dv-avi-test.avi -c:v copy -an dv-test.dv
 ffmpeg version N-112149-ga87a52ed0b Copyright (c) 2000-2024 the FFmpeg
 developers
   built with gcc 11.2.0 (GCC)
   configuration:
   libavutil      58. 36.101 / 58. 36.101
   libavcodec     60. 37.100 / 60. 37.100
   libavformat    60. 20.100 / 60. 20.100
   libavdevice    60.  4.100 / 60.  4.100
   libavfilter     9. 17.100 /  9. 17.100
   libswscale      7.  6.100 /  7.  6.100
   libswresample   4. 13.100 /  4. 13.100
 [avi @ 0xb2c3700] Switching to NI mode, due to poor interleaving
 Input #0, avi, from 'dv-avi-test.avi':
   Duration: 00:04:53.09, start: 0.000000, bitrate: 286 kb/s
   Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 32:27 DAR 16:9],
 28771 kb/s, 60k fps, 29.97 tbr, 60k tbn
   Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Output #0, dv, to 'dv-test.dv':
   Metadata:
     encoder         : Lavf60.20.100
   Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 32:27 DAR 16:9],
 q=2-31, 28771 kb/s, 60k fps, 29.97 tbr, 29.97 tbn
 Press [q] to stop, [?] for help
 [dv @ 0xb368a00] Unexpected frame size, 0 != 120000
 [vost#0:0/copy @ 0xb3693c0] Error submitting a packet to the muxer:
 Function not implemented
     Last message repeated 1 times
 [out#0/dv @ 0xb2c6a40] Error muxing a packet
 [out#0/dv @ 0xb2c6a40] Task finished with error code: -38 (Function not
 implemented)
 [out#0/dv @ 0xb2c6a40] Terminating thread with return code -38 (Function
 not implemented)
 [out#0/dv @ 0xb2c6a40] video:10078kB audio:0kB subtitle:0kB other
 streams:0kB global headers:0kB muxing overhead: 0.000000%
 size=   10078kB time=00:00:02.90 bitrate=28440.5kbits/s speed= 190x
 Conversion failed!


 }}}


 yet in fact (?) conversion worked, I see file
 {{{
 /dev/shm/ffmpeg/ffprobe dv-test.dv
 ffprobe version N-112149-ga87a52ed0b Copyright (c) 2007-2024 the FFmpeg
 developers
   built with gcc 11.2.0 (GCC)
   configuration:
   libavutil      58. 36.101 / 58. 36.101
   libavcodec     60. 37.100 / 60. 37.100
   libavformat    60. 20.100 / 60. 20.100
   libavdevice    60.  4.100 / 60.  4.100
   libavfilter     9. 17.100 /  9. 17.100
   libswscale      7.  6.100 /  7.  6.100
   libswresample   4. 13.100 /  4. 13.100
 [dv @ 0xc1f4bc0] Estimating duration from bitrate, this may be inaccurate
 Input #0, dv, from 'dv-test.dv':
   Metadata:
     timecode        : 00:00:00:00
   Duration: 00:00:02.87, start: 0.000000, bitrate: 28771 kb/s
   Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 32:27 DAR 16:9],
 28771 kb/s, 60k fps, 29.97 tbr, 60k tbn
   Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
 }}}



 If I try to make it encode audio, I get:

 {{{
 /dev/shm/ffmpeg/ffmpeg -i  dv-avi-test.avi -c:v copy -c:a pcm_s16be -af
 aresample=48000 dv-test.dv
 ffmpeg version N-112149-ga87a52ed0b Copyright (c) 2000-2024 the FFmpeg
 developers
   built with gcc 11.2.0 (GCC)
   configuration:
   libavutil      58. 36.101 / 58. 36.101
   libavcodec     60. 37.100 / 60. 37.100
   libavformat    60. 20.100 / 60. 20.100
   libavdevice    60.  4.100 / 60.  4.100
   libavfilter     9. 17.100 /  9. 17.100
   libswscale      7.  6.100 /  7.  6.100
   libswresample   4. 13.100 /  4. 13.100
 [avi @ 0xb48b700] Switching to NI mode, due to poor interleaving
 Input #0, avi, from 'dv-avi-test.avi':
   Duration: 00:04:53.09, start: 0.000000, bitrate: 286 kb/s
   Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 32:27 DAR 16:9],
 28771 kb/s, 60k fps, 29.97 tbr, 60k tbn
   Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (pcm_s16le (native) -> pcm_s16be (native))
 Press [q] to stop, [?] for help
 [dv @ 0xb530ac0] Can't initialize DV format!
 Make sure that you supply exactly two streams:
      video: 25fps or 29.97fps, audio: 2ch/48|44|32kHz/PCM
      (50Mbps allows an optional second audio stream)
 [out#0/dv @ 0xb5309c0] Could not write header (incorrect codec parameters
 ?): Operation not permitted
 [af#0:1 @ 0xb532b00] Error sending frames to consumers: Operation not
 permitted
 [af#0:1 @ 0xb532b00] Task finished with error code: -1 (Operation not
 permitted)
 [af#0:1 @ 0xb532b00] Terminating thread with return code -1 (Operation not
 permitted)
 [out#0/dv @ 0xb5309c0] Nothing was written into output file, because at
 least one of its streams received no packets.
 size=       0kB time=N/A bitrate=N/A speed=N/A
 Conversion failed!
 }}}

 Note that example itself appear to be black frame.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10802>
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