[MPlayer-users] mplayer & AC5.1

[Łukasz "frogu" Proszek]

hi.

MPlayer 1.0pre3

gcc --version
gcc (GCC) 3.3.2 20031218 (Gentoo Linux 3.3.2-r5, propolice-3.3-7)

uname -a
Linux frogu.emdej.com 2.6.5-rc2 #1 Mon Mar 29 13:05:19 CEST 2004 i686
AMD Athlon(tm) XP 2500+ AuthenticAMD GNU/Linux


I've got a problem with ac5.1 sound

mplayer -channels 6
gives me all channels but center

mplayer -channels 5 
gives me no sound at all

mplayer -channels 4
gives somewhat surround audio but I don't know if it's 5.1

============parts from output=========================
frogu at frogu cdrom $ mplayer
\[KAA\]_Cat_Soup.DVD\(AC3-5.1\)\[0C388163\].avi
MPlayer 1.0pre3-3.2.3 (C) 2000-2003 MPlayer Team

[...]

Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe)  48000 Hz  384,0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, 16 bit (0x10), ratio: 48000->192000 (384,0 kbit)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)

[...]


Checking audio filter chain for 48000Hz/2ch/16bit ->
48000Hz/2ch/16bit...
AF_pre: af format: 2 bps, 2 ch, 48000 hz, little endian signed int
AF_pre: 48000Hz 2ch Signed 16-bit (Little-Endian)
AO: [oss] 48000Hz 2ch Signed 16-bit (Little-Endian) (2 bps)
Building audio filter chain for 48000Hz/2ch/16bit ->
48000Hz/2ch/16bit...

=========with -channels 6===================

Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe)  48000 Hz  384,0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 6 ch, 16 bit (0x10), ratio: 48000->576000 (384,0 kbit)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)

[...]
Checking audio filter chain for 48000Hz/6ch/16bit ->
48000Hz/6ch/16bit...
AF_pre: af format: 2 bps, 6 ch, 48000 hz, little endian signed int
AF_pre: 48000Hz 6ch Signed 16-bit (Little-Endian)
AO: [oss] 48000Hz 6ch Signed 16-bit (Little-Endian) (2 bps)
Building audio filter chain for 48000Hz/6ch/16bit ->
48000Hz/6ch/16bit...

===========================

am I doing something wrong?

-- 
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