[FFmpeg-trac] #3830(avformat:new): pcm in wav detected as dca

FFmpeg trac at avcodec.org
Wed Aug 6 21:38:22 CEST 2014


#3830: pcm in wav detected as dca
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avformat
                Version:  git-       |               Keywords:  wav dca
  master                             |  probe regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 User Adrien Montfort uploaded a wav file containing pcm audio that is
 incorrectly detected as dca since 697b476c
 {{{
 $ ffmpeg -i 664461_flac_16_44100_2_cut.wav
 ffmpeg version N-65350-g40a820d Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug  6 2014 21:37:45 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 98.100 / 52. 98.100
   libavcodec     55. 72.102 / 55. 72.102
   libavformat    55. 51.101 / 55. 51.101
   libavdevice    55. 13.102 / 55. 13.102
   libavfilter     4. 11.102 /  4. 11.102
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 [dca @ 0x2a2e4e0] Not a valid DCA frame
 [dca @ 0x2a2e4e0] Invalid LFE value: 0
     Last message repeated 1 times
 [dca @ 0x2a2e4e0] LFEScaleIndex larger than 127 is not implemented. Update
 your FFmpeg version to the newest one from Git. If the problem still
 occurs, it means that your file has a feature which has not been
 implemented.
 [dca @ 0x2a2e4e0] If you want to help, upload a sample of this file to
 ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing
 list. (ffmpeg-devel at ffmpeg.org)
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] Invalid bit allocation index
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] LFEScaleIndex larger than 127 is not implemented. Update
 your FFmpeg version to the newest one from Git. If the problem still
 occurs, it means that your file has a feature which has not been
 implemented.
 [dca @ 0x2a2e4e0] If you want to help, upload a sample of this file to
 ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing
 list. (ffmpeg-devel at ffmpeg.org)
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] ERROR: block code look-up failed
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] Invalid bit allocation index
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] LFEScaleIndex larger than 127 is not implemented. Update
 your FFmpeg version to the newest one from Git. If the problem still
 occurs, it means that your file has a feature which has not been
 implemented.
 [dca @ 0x2a2e4e0] If you want to help, upload a sample of this file to
 ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing
 list. (ffmpeg-devel at ffmpeg.org)
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] ERROR: block code look-up failed
 [dca @ 0x2a2e4e0] error decoding block
     Last message repeated 1 times
 [dca @ 0x2a2e4e0] Invalid bit allocation index
 [dca @ 0x2a2e4e0] error decoding block
     Last message repeated 1 times
 [dca @ 0x2a2e4e0] ERROR: block code look-up failed
 [dca @ 0x2a2e4e0] error decoding block
 [dca @ 0x2a2e4e0] Invalid LFE value: 0
 [dca @ 0x2a2e4e0] ERROR: block code look-up failed
 [dca @ 0x2a2e4e0] error decoding block
     Last message repeated 1 times
 [dca @ 0x2a2e4e0] ERROR: block code look-up failed
 [dca @ 0x2a2e4e0] error decoding block
 [wav @ 0x2a2db20] decoding for stream 0 failed
 [wav @ 0x2a2db20] Estimating duration from bitrate, this may be inaccurate
 [wav @ 0x2a2db20] Could not find codec parameters for stream 0 (Audio: dts
 ([1][0][0][0] / 0x0001), 192000 Hz, 2 channels, fltp, 0 kb/s): no
 decodable DTS frames
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 664461_flac_16_44100_2_cut.wav: could not find codec parameters
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, wav, from '664461_flac_16_44100_2_cut.wav':
   Duration: 1896:17:46.67, bitrate: 0 kb/s
     Stream #0:0: Audio: dts ([1][0][0][0] / 0x0001), 192000 Hz, 2
 channels, fltp, 0 kb/s
 At least one output file must be specified
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3830>
FFmpeg <https://ffmpeg.org>
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