[FFmpeg-trac] #1119(undetermined:new): voc enc: output frequency differs from input

FFmpeg trac at avcodec.org
Thu Mar 22 13:01:55 CET 2012


#1119: voc enc: output frequency differs from input
-------------------------------------+-------------------------------------
             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            |
-------------------------------------+-------------------------------------
 the same problem with "-ar 44100"

 also only half of the input audio is in the output

 {{{
 C:\>ffmpeg -i in_48.wav out.voc
 ffmpeg version N-39006-gf1fdd20 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Mar 22 2012 02:30:44 with gcc 4.5.0 20100414 (Fedora MinGW
 4.5.0-1.fc
 14)
   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' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapshots/buil
 d/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/snapshots/b
 uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3
 --enable-n
 onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-
 libvorbis
 --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-
 libopencor
 e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
   libavutil      51. 44.100 / 51. 44.100
   libavcodec     54. 12.100 / 54. 12.100
   libavformat    54.  2.100 / 54.  2.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 65.102 /  2. 65.102
   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_48.wav':
   Duration: 00:00:01.01, bitrate: 1536 kb/s
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2
 channels,
  s16, 1536 kb/s
 Incompatible sample format 's16' for codec 'pcm_u8', auto-selecting format
 'u8'
 Output #0, voc, to 'out.voc':
   Metadata:
     encoder         : Lavf54.2.100
     Stream #0:0: Audio: pcm_u8, 48000 Hz, 2 channels, u8, 768 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s16le -> pcm_u8)
 Press [q] to stop, [?] for help
 size=      64kB time=00:00:01.01 bitrate= 514.9kbits/s
 video:0kB audio:95kB global headers:0kB muxing overhead -32.958242%
 }}}

 {{{
 C:\>ffmpeg -i out.voc
 ffmpeg version N-39006-gf1fdd20 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Mar 22 2012 02:30:44 with gcc 4.5.0 20100414 (Fedora MinGW
 4.5.0-1.fc
 14)
   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' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapshots/buil
 d/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/snapshots/b
 uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3
 --enable-n
 onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-
 libvorbis
 --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-
 libopencor
 e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
   libavutil      51. 44.100 / 51. 44.100
   libavcodec     54. 12.100 / 54. 12.100
   libavformat    54.  2.100 / 54.  2.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 65.102 /  2. 65.102
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  7.100 /  0.  7.100
   libpostproc    52.  0.100 / 52.  0.100
 Truncating packet of size 2048 to 1885
 [voc @ 0x1da9be0] Estimating duration from bitrate, this may be inaccurate
 Input #0, voc, from 'out.voc':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Audio: pcm_u8, 48012 Hz, 2 channels, u8, 768 kb/s
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1119>
FFmpeg <http://ffmpeg.org>
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