[FFmpeg-trac] #5483(undetermined:new): g721: support stereo modes

[FFmpeg]

#5483: g721: support stereo modes
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 decodes ok with winamp

 decodes not so good with sox (probably buggy support)

 https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket1955/g721_2ch_44khz.au

 {{{
 C:\>ffmpeg -i C:\g721_2ch_44khz.au out.wav
 ffmpeg version N-79632-g3ce1988 Copyright (c) 2000-2016 the FFmpeg
 developers
   built 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-pthreads --enable-memalign-hack --enable-runtime-
 cpudetect --
 enable-cross-compile --enable-static --disable-shared --extra-
 libs='-lws2_32 -lw
 inmm -lpthread' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapsh
 ots/build/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/sna
 pshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
 version3 --
 enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
 --enable-li
 bvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
 --enable-li
 bopencore-amrwb --enable-libmp3lame --enable-libfreetype --enable-libvpx
 --disab
 le-decoder=libvpx
   libavutil      55. 22.101 / 55. 22.101
   libavcodec     57. 38.100 / 57. 38.100
   libavformat    57. 34.103 / 57. 34.103
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 44.100 /  6. 44.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [g726le @ 0x28ad4a0] Decoding more than one channel is not implemented.
 Update y
 our FFmpeg version to the newest one from Git. If the problem still
 occurs, it m
 eans that your file has a feature which has not been implemented.
 [g726le @ 0x28ad4a0] If you want to help, upload a sample of this file to
 ftp://
 upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list.
 (ffmpeg-d
 evel at ffmpeg.org)
 [au @ 0x28a4020] Failed to open codec in av_find_stream_info
 [g726le @ 0x28ad4a0] Decoding more than one channel is not implemented.
 Update y
 our FFmpeg version to the newest one from Git. If the problem still
 occurs, it m
 eans that your file has a feature which has not been implemented.
 [g726le @ 0x28ad4a0] If you want to help, upload a sample of this file to
 ftp://
 upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list.
 (ffmpeg-d
 evel at ffmpeg.org)
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, au, from 'C:\g721_2ch_44khz.au':
   Duration: 00:00:30.01, start: 0.000000, bitrate: 352 kb/s
     Stream #0:0: Audio: adpcm_g726le ([23][0][0][0] / 0x0017), 44100 Hz, 2
 chann
 els, 352 kb/s
 File 'out.wav' already exists. Overwrite ? [y/N] y
 [abuffer @ 0x2c49700] Unable to parse option value "(null)" as sample
 format
     Last message repeated 1 times
 [abuffer @ 0x2c49700] Error setting option sample_fmt to value (null).
 [graph 0 input from stream 0:0 @ 0x2c49640] Error applying options to the
 filter
 .
 Error opening filters!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5483>
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