[FFmpeg-trac] #6561(undetermined:new): Certain DTS in WAV can't be recognised

[FFmpeg]

#6561: Certain DTS in WAV can't be recognised
-------------------------------------+-------------------------------------
             Reporter:  macdavis     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  DTS          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 The attachments are two DTS files. One is 2ch/44.1KHz, the other is
 2ch/88.2KHz. FFmpeg fails to recognise either of them. They can be
 correctly decoded by VLC and MPC-BE.
 How to reproduce:



 2ch/44.1KHz
 {{{
 ffmpeg -i /Volumes/RamDisk/MUSIC_441_1234.wav -f null -
 ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
   built with Apple LLVM version 8.1.0 (clang-802.0.42)
   configuration: --optflags=-Ofast --prefix=/usr/local --extra-
 cflags='-march=haswell -mtune=intel -m64 -minline-all-stringops -fomit-
 frame-pointer -fforce-addr -finline-functions -funit-at-a-time -funroll-
 loops -ffunction-sections -fdata-sections -Ofast -pipe -fomit-frame-
 pointer -ftree-vectorize' --target-os=darwin --arch=x86_64 --cpu=haswell
 --disable-runtime-cpudetect --disable-debug --disable-opencl --disable-
 avdevice --disable-ffplay --disable-ffprobe --disable-postproc --disable-
 ffserver --disable-devices --disable-avresample --disable-indev=qtkit
 --disable-doc --enable-pthreads --enable-version3 --enable-hardcoded-
 tables --enable-gpl --enable-nonfree
   libavutil      55. 69.100 / 55. 69.100
   libavcodec     57.102.100 / 57.102.100
   libavformat    57. 76.100 / 57. 76.100
   libavfilter     6. 95.100 /  6. 95.100
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
 Guessed Channel Layout for Input Stream #0.0 : stereo
 Input #0, wav, from '/Volumes/RamDisk/MUSIC_441_1234.wav':
   Metadata:
     encoder         : Lavf57.76.100
   Duration: 00:00:07.01, bitrate: 1411 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
 stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.76.100
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
     Metadata:
       encoder         : Lavc57.102.100 pcm_s16le
 size=N/A time=00:00:07.01 bitrate=N/A speed=2.13e+03x
 video:0kB audio:1208kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}



 2ch/88.2KHz
 {{{
 ffmpeg -i /Volumes/RamDisk/MUSIC_882_1234.wav -f null -
 ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
   built with Apple LLVM version 8.1.0 (clang-802.0.42)
   configuration: --optflags=-Ofast --prefix=/usr/local --extra-
 cflags='-march=haswell -mtune=intel -m64 -minline-all-stringops -fomit-
 frame-pointer -fforce-addr -finline-functions -funit-at-a-time -funroll-
 loops -ffunction-sections -fdata-sections -Ofast -pipe -fomit-frame-
 pointer -ftree-vectorize' --target-os=darwin --arch=x86_64 --cpu=haswell
 --disable-runtime-cpudetect --disable-debug --disable-opencl --disable-
 avdevice --disable-ffplay --disable-ffprobe --disable-postproc --disable-
 ffserver --disable-devices --disable-avresample --disable-indev=qtkit
 --disable-doc --enable-pthreads --enable-version3 --enable-hardcoded-
 tables --enable-gpl --enable-nonfree
   libavutil      55. 69.100 / 55. 69.100
   libavcodec     57.102.100 / 57.102.100
   libavformat    57. 76.100 / 57. 76.100
   libavfilter     6. 95.100 /  6. 95.100
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
 Guessed Channel Layout for Input Stream #0.0 : stereo
 Input #0, wav, from '/Volumes/RamDisk/MUSIC_882_1234.wav':
   Metadata:
     encoder         : Lavf57.76.100
   Duration: 00:00:07.01, bitrate: 1411 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
 stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s16le (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.76.100
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
     Metadata:
       encoder         : Lavc57.102.100 pcm_s16le
 size=N/A time=00:00:07.01 bitrate=N/A speed=2.22e+03x
 video:0kB audio:1208kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown}}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6561>
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