support zygoaudio

[ami_stuff]

it uses speex codec ("zygoa8k_q10.mov" decodes without any tweaks to the decoder with "-acodec speex").

 http://www.datafilehost.com/download-4bf8975f.html

C:\>ffmpeg -i zygoa8k_q10.mov
ffmpeg version N-45867-g3318d6b Copyright (c) 2000-2012 the FFmpeg developers
  built on Oct 23 2012 02:39:33 with gcc 4.5.0 (GCC) 20100414 (Fedora MinGW 4.5.
0-1.fc14)
  configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build --arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-libs='-lws2_32 -
lwinmm -lpthread' --extra-cflags='--static -I/var/www/users/research/ffmpeg/snap
shots/build/include' --extra-ldflags='-static -L/var/www/users/research/ffmpeg/s
napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3
--enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-
libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-
libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
  libavutil      51. 77.100 / 51. 77.100
  libavcodec     54. 68.100 / 54. 68.100
  libavformat    54. 33.100 / 54. 33.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 20.104 /  3. 20.104
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 16.100 /  0. 16.100
  libpostproc    52.  1.100 / 52.  1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x1edbe20] max_analyze_duration 5000000 reached at 50
00000
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x1edbe20] Could not find codec parameters for stream
 0 (Audio: none (SPXN / 0x4E585053), 8000 Hz, 1 channels): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Guessed Channel Layout for  Input Stream #0.0 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'zygoa8k_q10.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537199360
    compatible_brands: qt
    creation_time   : 2012-10-30 15:26:21
  Duration: 00:01:12.00, start: 0.000000, bitrate: 61 kb/s
    Stream #0:0(eng): Audio: none (SPXN / 0x4E585053), 8000 Hz, mono
    Metadata:
      creation_time   : 2012-10-30 15:26:21
      handler_name    : Procedura obs│ugi skrˇtˇw danych Apple
    Stream #0:1(eng): Video: mjpeg (mjpa / 0x61706A6D), yuvj422p, 160x120 [SAR 7
2:72 DAR 4:3], 36 kb/s, 0.25 fps, 0.25 tbr, 1 tbn, 1 tbc
    Metadata:
      creation_time   : 2012-10-30 15:26:21
      handler_name    : Procedura obs│ugi skrˇtˇw danych Apple
At least one output file must be specified

[ami_stuff]

my try to support compression mode 10

[richardpl]

This looks bad and is just guessing.

[ami_stuff]

Replying to richardpl:

This looks bad and is just guessing.

which part of the patch you mean is guessing?

[compn]

hi, please submit patch to ffmpeg-devel , include link to sample.
also, if you can find a spec with the extradata that may be good for commenting the source.

[michael]

link to sample is dead

[ami_stuff]

Replying to michael:

link to sample is dead

 http://www.datafilehost.com/download-34ee8f94.html

here is the latest patch:

 http://comments.gmane.org/gmane.comp.video.ffmpeg.devel/157696

[compn]

someone has uploaded the samples here:

 http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket1873/

(i have now updated the allsamples.txt , last updated aug 2012. maybe it should be scripted?)

[compn]

patch applied in e26b066cd8db361feba90e943c6cfdf062c52272

[cehoyos]

@compn: If you want to close this ticket (which is definitely ok), please open a new one for the remaining samples. It is not ok to close this ticket without opening a new one.