[FFmpeg-trac] #5258(undetermined:new): ffmpeg fails to decode opus test vectors correctly

[FFmpeg]

#5258: ffmpeg fails to decode opus test vectors correctly
-------------------------------------+-------------------------------------
             Reporter:  calestyo     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 taken from https://trac.ffmpeg.org/ticket/5238#comment:3

 ffmpeg fails to decode opus test vectors correctly, in especially:
 http://people.xiph.org/~greg/opus_testvectors/correctness_trimming_nobeeps.opus

 even using ffmpeg git:
 $ ./ffmpeg -i correctness_trimming_nobeeps.opus
 correctness_trimming_nobeeps.wav
 ffmpeg version N-78622-g2b5b001 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.1 (Debian 5.3.1-9) 20160220
   configuration: --enable-gpl --enable-shared --disable-stripping
 --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-
 avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-
 libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-
 libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype
 --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug
 --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-
 libpulse --enable-librtmp --enable-libschroedinger --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
 --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx
 --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid
 --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab
 --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r
 --enable-libx264 --enable-libopencv --enable-version3 --enable-
 libopencore_amrnb --enable-libopencore_amrwb --enable-libvo_amrwbenc
   libavutil      55. 18.100 / 55. 18.100
   libavcodec     57. 24.105 / 57. 24.105
   libavformat    57. 26.100 / 57. 26.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 34.100 /  6. 34.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, ogg, from 'correctness_trimming_nobeeps.opus':
   Duration: 00:00:12.72, start: 0.000000, bitrate: 40 kb/s
     Stream #0:0: Audio: opus, 48000 Hz, mono, fltp
     Metadata:
       ENCODER         : Xiph.Org Opus testvectormaker
       TESTDESCRIPTION : Beeps at the beginning and end of this stream MUST
 be hidden by preskip and end-trimming.
                       : If the beeps are heard the decoder is broken.
 Output #0, wav, to 'correctness_trimming_nobeeps.wav':
   Metadata:
     ISFT            : Lavf57.26.100
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, mono,
 s16, 768 kb/s
     Metadata:
       TESTDESCRIPTION : Beeps at the beginning and end of this stream MUST
 be hidden by preskip and end-trimming.
                       : If the beeps are heard the decoder is broken.
       encoder         : Lavc57.24.105 pcm_s16le
 Stream mapping:
   Stream #0:0 -> #0:0 (opus (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 size=    1193kB time=00:00:11.35 bitrate= 860.4kbits/s speed= 211x
 video:0kB audio:1193kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.006388%



 the resulting WAV files still contains the beep

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5258>
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