[MPlayer-users] mplayer / ens1371 / hwac3 passthrough

[Horst Eyermann]

Hello,
I do have a ens1371 soundcard, which has a ac3 passthrough-mode.

Using alsa (0.9.6) however I was not able to get it working:

+++++++++++++++
> mplayer -ac hwac3 -ao alsa9 dvd://1

MPlayer 1.0pre1-3.3 (C) 2000-2003 MPlayer Team
...
Forced audio codec: hwac3
Opening audio decoder: [hwac3] AC3/DTS pass-through SP/DIF
No accelerated IMDCT transform found
hwac3: switched to AC3, 448000 bps, 48000 Hz
AUDIO: 48000 Hz, 2 ch, 16 bit (0x400), ratio: 56000->192000 (448.0 kbit)
Selected audio codec: [hwac3] afm:hwac3 (AC3 through SPDIF)

...

Checking audio filter chain for 48000Hz/2ch/16bit -> 48000Hz/2ch/8bit...
AF_pre: af format: 2 bps, 2 ch, 48000 hz, big endian AC3 
AF_pre: 48000Hz 2ch AC3
alsa-init: requested format: 48000 Hz, 2 channels, AC3
alsa-init: soundcard set to iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2
alsa9: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little
Endian
AO: [alsa9] 48000Hz 2ch AC3 (1 bps)
Building audio filter chain for 48000Hz/2ch/16bit -> 48000Hz/2ch/8bit...
[format] Sample format big endian AC3  not yet supported 
Couldn't find matching filter / ao format!
+++++++++++++++


Is this a alsa or a mplayer problem????

Thnaks, for your help,

Horst