[FFmpeg-trac] #8692(avcodec:new): Support for VoxWare MetaVoice

FFmpeg trac at avcodec.org
Fri May 29 11:58:04 EEST 2020


#8692: Support for VoxWare MetaVoice
----------------------------------+---------------------------------------
             Reporter:  xd009642  |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avcodec   |                  Version:  unspecified
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+---------------------------------------
 So I've found ffmpeg works well with Voxware metasound but there's another
 Voxware codec designed for more efficient encoding of speech data which
 don't appear to work. Below is the ffprobe output for my attached test
 file:

 {{{
 ffprobe speechtest-mvoice3.asf
 ffprobe version 4.2.3 Copyright (c) 2007-2020 the FFmpeg developers
   built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
   configuration: --disable-debug --disable-doc --disable-ffplay --disable-
 x86asm --enable-libgsm --enable-shared --enable-avresample --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-gpl --enable-libass
 --enable-fontconfig --enable-libfreetype --enable-libvidstab --enable-
 libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis
 --enable-libvpx --enable-libwebp --enable-libxcb --enable-libx265
 --enable-libxvid --enable-libx264 --enable-nonfree --enable-openssl
 --enable-libfdk_aac --enable-postproc --enable-small --enable-version3
 --enable-libbluray --enable-libzmq --enable-libilbc --extra-libs=-ldl
 --prefix=/opt/ffmpeg --enable-libopenjpeg --enable-libkvazaar --enable-
 libaom --extra-libs=-lpthread --enable-libsrt --extra-
 cflags=-I/opt/ffmpeg/include --extra-ldflags=-L/opt/ffmpeg/lib
   libavutil      56. 31.100 / 56. 31.100
   libavcodec     58. 54.100 / 58. 54.100
   libavformat    58. 29.100 / 58. 29.100
   libavdevice    58.  8.100 / 58.  8.100
   libavfilter     7. 57.100 /  7. 57.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  5.100 /  5.  5.100
   libswresample   3.  5.100 /  3.  5.100
   libpostproc    55.  5.100 / 55.  5.100
 [asf @ 0x558d94756d00] Could not find codec parameters for stream 0
 (Audio: none (t[0][0][0] / 0x0074), 8000 Hz, 1 channels, 2 kb/s): unknown
 codec
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, asf, from 'speechtest-mvoice3.asf':
   Duration: 00:00:11.38, start: 0.000000, bitrate: 4 kb/s
     Stream #0:0: Audio: none (t[0][0][0] / 0x0074), 8000 Hz, 1 channels, 2
 kb/s
 Unsupported codec with id 0 for input stream 0
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8692>
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