[MPlayer-users] AC3 decoding problem.

Nicolas Noble Pixel at the-babel-tower.nobis-crew.org
Sat Nov 17 15:17:46 CET 2001


Hello,

  Since a few CVS versions I'm experiencing problems with files containing
AC3 audio streams:

Detected audio codec: [ac3] drv:3 (AC3)
!! libac3 (core v0.6.2) : using SSE optimization
2.0 Mode 48.0 KHz 192 kbps Complete Main Audio Service

MPlayer interrupted by signal 11 in module: init_audio_codec 


The funniest thing is that:

(gdb) bt
#0  0x400862df in bit_allocate () from /usr/lib/libffmpeg.so
#1  0x80a4790 in ac3_decode_frame ()
#2  0x8061cad in init_audio ()
#3  0x805d359 in main ()
#4  0x40443577 in __libc_start_main () from /lib/libc.so.6


I thought ac3 decoding was using internal libac3, so what's ffmpeg is
doing here?

Another thing: the hardware ac3 passthrough doesn't work (when doing -ac
hwac3) when it works perfectly using the alsa tool 'ac3dec'. (I've got a
SBLive! soundcard)




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