Is there a way to encode a multi channel wav file to an AC3 stream on
the fly?
sample multi channel file:
http://www.halfgaar.net/media/chan-id.zip
I tried the -af lavcac3enc option in mplayer, but I get an error:
$mplayer chan-id.wav -ao alsa:device=spdif -af lavcac3enc=1
MPlayer dev-SVN-r26940
CPU: Intel(R) Pentium(R) 4 CPU 3.60GHz (Family: 15, Model: 4,
Stepping: 3)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
Playing chan-id.wav.
Audio file file format detected.
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 6 ch, s16le, 4233.6 kbit/100.00% (ratio:
529200->529200)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
Audio LAVC, couldn't find encoder for codec ac3.
[libaf] Couldn't create or open audio filter 'lavcac3enc'
Error at audio filter chain pre-init!
but mplayer -af help will show lavac3enc
...
extrastereo : Extra stereo
lavcac3enc : runtime encode to ac3 using libavcodec
lavcresample : Sample frequency conversion using libavcodec
...
Floris
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