[MPlayer-dev-eng] [patch] hwac3 alsa9 output fix

[Diego Biurrun]

Could you please read DOCS/tech/patches.txt (very short) and send a
proper patch?
Thank you

Diego

On Sun, Aug 18, 2002 at 03:34:43AM +0200, Benedikt 'Hunz' Heinz wrote:
> 
> Using the current cvs-code for hwac3-output on alsa9 fails:
> I got the following errormessage:
> 
> ALSA lib pcm_hw.c:926:(_snd_pcm_hw_open) Invalid value for card
> open: No such device
> 
> It won't find the "hw:0,2" device and does a fallback to normal PCM instead:
> 
> alsa9: 48000 Hz/2 channels/4 bpf/16384 bytes buffer/Signed 16 bit Little 
> Endian
> Start playing...
> 
> The soundcard then gets AC3 as PCM-data what results in ugly glitches.
> 
> I had a look at the ac3dec tool from the alsa-tools and changed MPlayer 
> accoringly by replacing line 501 in libao2/ao_alsa9.c ("alsa_handler = 
> spdif_init("hw:0,2");") to "alsa_handler = spdif_init("iec958");"
> 
> I tested it with my SBLive (with an external AC3 Denon decoder attached 
> to spdif-out) and Alsa9 and it plays correct now.
> 
> Maybe you want to change it in the CVS too.
> I'm not on the list so if you want to reply please reply directly to me.
> 
> Thanks and continue your great work! :-)