[FFmpeg-trac] #1085(undetermined:new): mmf: 2ch audio encoded with adpcm_yamaha is identified as 1ch
FFmpeg
trac at avcodec.org
Fri Mar 16 21:12:44 CET 2012
#1085: mmf: 2ch audio encoded with adpcm_yamaha is identified as 1ch
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
{{{
C:\>ffmpeg -i in_22.wav out.mmf
ffmpeg version N-38622-g1eabd71 Copyright (c) 2000-2012 the FFmpeg
developers
built on Mar 7 2012 00:18:03 with gcc 4.6.2
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-
amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
--enable-
libxvid --enable-zlib
libavutil 51. 42.100 / 51. 42.100
libavcodec 54. 10.100 / 54. 10.100
libavformat 54. 2.100 / 54. 2.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 63.100 / 2. 63.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
libpostproc 52. 0.100 / 52. 0.100
Input #0, wav, from 'in_22.wav':
Duration: 00:00:01.01, bitrate: 705 kb/s
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, 2
channels,
s16, 705 kb/s
File 'out.mmf' already exists. Overwrite ? [y/N] y
Output #0, mmf, to 'out.mmf':
Metadata:
encoder : Lavf54.2.100
Stream #0:0: Audio: adpcm_yamaha, 22050 Hz, 2 channels, s16, 176 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_s16le -> adpcm_yamaha)
Press [q] to stop, [?] for help
size= 22kB time=00:00:01.02 bitrate= 177.0kbits/s
video:0kB audio:22kB global headers:0kB muxing overhead 0.359553%
}}}
{{{
C:\>ffmpeg -i out.mmf
ffmpeg version N-38622-g1eabd71 Copyright (c) 2000-2012 the FFmpeg
developers
built on Mar 7 2012 00:18:03 with gcc 4.6.2
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-
amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
--enable-
libxvid --enable-zlib
libavutil 51. 42.100 / 51. 42.100
libavcodec 54. 10.100 / 54. 10.100
libavformat 54. 2.100 / 54. 2.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 63.100 / 2. 63.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
libpostproc 52. 0.100 / 52. 0.100
[mmf @ 02159BE0] Estimating duration from bitrate, this may be inaccurate
Input #0, mmf, from 'out.mmf':
Duration: 00:00:02.05, bitrate: 88 kb/s
Stream #0:0: Audio: adpcm_yamaha, 22050 Hz, 1 channels, s16, 88 kb/s
At least one output file must be specified
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1085>
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