[Speex-dev] ffmpeg to speexenc via pipe

[Tom Sparks]

I am transcoding mp3 to wave using ffmpeg
I am then piping it to speexenc for speex encoding
but the speex file size is 496 bytes after the command ends

https://lists.ubuntu.com/archives/ubuntu-users/2010-March/212927.html
https://lists.ubuntu.com/archives/ubuntu-users/2010-March/212949.html
https://lists.ubuntu.com/archives/ubuntu-users/2010-March/212954.html

what am I doing wrong?

bellow is the command line and the output


> tom at tom-laptop:~/Videos$ ffmpeg -i
> "ART_raw.mp3" -ac 1 -ar 16000 -f wav - | speexenc --skeleton
> -V - "test.spx"
> 
> FFmpeg version SVN-r19352-4:0.5+svn20090706-2ubuntu2,
> Copyright (c) 2000-2009 Fabrice Bellard, et al.
>   configuration:
> --extra-version=4:0.5+svn20090706-2ubuntu2 --prefix=/usr
> --enable-avfilter --enable-avfilter-lavf --enable-vdpau
> --enable-bzlib --enable-libgsm --enable-libschroedinger
> --enable-libspeex --enable-libtheora --enable-libvorbis
> --enable-pthreads --enable-zlib --disable-stripping
> --disable-vhook --enable-gpl --enable-postproc
> --enable-swscale --enable-x11grab --enable-libdc1394
> --extra-cflags=-I/build/buildd/ffmpeg-0.5+svn20090706/debian/include
> --enable-shared --disable-static
>   libavutil     49.15. 0 / 49.15.
> 0
>   libavcodec    52.20. 0 / 52.20. 0
>   libavformat   52.31. 0 / 52.31. 0
>   libavdevice   52. 1. 0 / 52. 1. 0
>   libavfilter    0. 4. 0 /  0. 4. 0
>   libswscale     0. 7. 1 / 
> 0. 7. 1
>   libpostproc   51. 2. 0 / 51. 2. 0
>   built on Oct 13 2009 22:15:16, gcc: 4.4.1
> Input #0, mp3, from 'ART_raw.mp3':
>   Duration: 01:57:49.77, start: 0.000000, bitrate: 128
> kb/s
>     Stream #0.0: Audio: mp3, 48000 Hz, stereo,
> s16, 128 kb/s
> Output #0, wav, to 'pipe:':
>     Stream #0.0: Audio: pcm_s16le, 16000 Hz,
> mono, s16, 256 kb/s
> Stream mapping:
>   Stream #0.0 -> #0.0
> Press [q] to stop encoding
> Encoding 16000 Hz audio using wideband (sub-band CELP) mode
> (mono)
> Warning: Enabling skeleton output may cause some decoders
> to fail.
> Bitrate is use: 27800 bps   
> tom at tom-laptop:~/Videos$

tom_a_sparks