[FFmpeg-trac] #3994(avformat:new): Support MO3 tracker format

[FFmpeg]

#3994: Support MO3 tracker format
-------------------------------------+------------------------------------
             Reporter:  DJX          |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by DJX):

 It produces audio from the file but not the expected output.
 {{{
 .\ffmpeg -skip_initial_bytes 65397 -f ogg -i Bejeweled3_suite.mo3 out.wav
 ffmpeg version N-66521-g3edb9aa Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Sep 27 2014 22:10:25 with gcc 4.9.1 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfi
 g --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-
 libbluray --enable-libbs2b --enable-libcaca --
 enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc
 --enable-libmodplug --enable-libmp3lame --enable-lib
 opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-
 libopus --enable-librtmp --enable-libschroedinge
 r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvo-aacenc --
 enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libwebp --enable-libx264 --enable-
 libx265 --enable-libxavs --enable-libxvid --enable-zlib
   libavutil      54.  7.101 / 54.  7.101
   libavcodec     56.  1.101 / 56.  1.101
   libavformat    56.  7.101 / 56.  7.101
   libavdevice    56.  1.100 / 56.  1.100
   libavfilter     5.  1.102 /  5.  1.102
   libswscale      3.  1.100 /  3.  1.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  1.100 / 53.  1.100
 [ogg @ 0000000002f4f380] Cannot identify new stream
 [ogg @ 0000000002f4f380] failed to create or replace stream
 [ogg @ 0000000002f4f380] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, ogg, from 'Bejeweled3_suite.mo3':
   Duration: 00:00:54.33, start: 0.000000, bitrate: 114 kb/s
     Stream #0:0: Audio: vorbis, 22050 Hz, stereo, fltp, 104 kb/s
 Output #0, wav, to 'out.wav':
   Metadata:
     ISFT            : Lavf56.7.101
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz,
 stereo, s16, 705 kb/s
     Metadata:
       encoder         : Lavc56.1.101 pcm_s16le
 Stream mapping:
   Stream #0:0 -> #0:0 (vorbis (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 [NULL @ 0000000002f81260] Invalid packet
     Last message repeated 1 times
 [wav @ 0000000002c8b0e0] Non-monotonous DTS in output stream 0:0;
 previous: 32768, current: 32677; changing to 32768. Th
 is may result in incorrect timestamps in the output file.
 [NULL @ 0000000002f81260] Invalid packet
     Last message repeated 1 times
 [wav @ 0000000002c8b0e0] Non-monotonous DTS in output stream 0:0;
 previous: 60837, current: 60693; changing to 60837. Th
 is may result in incorrect timestamps in the output file.
 [NULL @ 0000000002f81260] Invalid packet
 Input stream #0:0 frame changed from rate:22050 fmt:fltp ch:2 chl:stereo
 to rate:44100 fmt:fltp ch:2 chl:stereo
 [NULL @ 0000000002f81260] Invalid packet
     Last message repeated 3 times
 Input stream #0:0 frame changed from rate:44100 fmt:fltp ch:2 chl:stereo
 to rate:22050 fmt:fltp ch:2 chl:stereo
 [NULL @ 0000000002f81260] Invalid packet
     Last message repeated 1 times
 [wav @ 0000000002c8b0e0] Non-monotonous DTS in output stream 0:0;
 previous: 214859, current: 214651; changing to 214859.
  This may result in incorrect timestamps in the output file.
 [NULL @ 0000000002f81260] Invalid packet
     Last message repeated 1 times
 [wav @ 0000000002c8b0e0] Non-monotonous DTS in output stream 0:0;
 previous: 240251, current: 240198; changing to 240251.
  This may result in incorrect timestamps in the output file.
 [ogg @ 0000000002f4f380] Cannot identify new stream
 [ogg @ 0000000002f4f380] failed to create or replace stream
 Bejeweled3_suite.mo3: Invalid data found when processing input
 size=     846kB time=00:00:11.98 bitrate= 577.9kbits/s
 video:0kB audio:845kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.009010%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3994#comment:2>
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