#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
e...@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
e...@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>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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