Unsupported tak codec

[Carl Eugen Hoyos]

(bug 546)
A user uploaded a tak sample (cut with dd) that cannot be decoded with current git head.

$ ffmpeg -i 01.tak out.wav
ffmpeg version N-55249-ga7bb12a Copyright (c) 2000-2013 the FFmpeg developers
  built on Aug  6 2013 08:47:17 with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl --disable-indev=jack
  libavutil      52. 40.100 / 52. 40.100
  libavcodec     55. 20.100 / 55. 20.100
  libavformat    55. 13.102 / 55. 13.102
  libavdevice    55.  3.100 / 55.  3.100
  libavfilter     3. 82.100 /  3. 82.100
  libswscale      2.  4.100 /  2.  4.100
  libswresample   0. 17.103 /  0. 17.103
  libpostproc    52.  3.100 / 52.  3.100
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, tak, from '01.tak':
  Duration: 00:51:26.69, start: 0.000000, bitrate: 2 kb/s
    Stream #0:0: Audio: tak, 44100 Hz, stereo, s16p
Output #0, wav, to 'out.wav':
  Metadata:
    ISFT            : Lavf55.13.102
    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 (tak -> pcm_s16le)
Press [q] to stop, [?] for help
[tak @ 0x2357cc0] unsupported codec: 0
[tak @ 0x2358140] unsupported codec: 0
[tak @ 0x23694e0] unsupported codec: 0
[tak @ 0x2369d40] unsupported codec: 0
[tak @ 0x2341540] unsupported codec: 0
[tak @ 0x2343200] unsupported codec: 0
[tak @ 0x2344ee0] unsupported codec: 0
[tak @ 0x2346bc0] unsupported codec: 0
Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
[tak @ 0x23488a0] unsupported codec: 0
Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome

...

[tak @ 0x2346bc0] unsupported codec: 0
Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
[tak @ 0x23488a0] unsupported codec: 0
Error while decoding stream #0:0: Not yet implemented in FFmpeg, patches welcome
[tak @ 0x2357cc0] unsupported codec: 0
size=       0kB time=00:00:00.00 bitrate=N/A
video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead inf%
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

[ami_stuff]

some more samples are here:

​http://www.datafilehost.com/d/02dc11ed

[ami_stuff]

TAK 1.0 encodes such files, here are binaries:

​http://www.datafilehost.com/d/203027ee