[MPlayer-users] hwac3 passthrough behavior in mplayer-1.0pre6

[Heiko Baumann]

anybody an idea ?

Heiko Baumann wrote:

> hello,
>
>
> i've tried mplayer-1.0pre6 these days and now i am back to pre5. the 
> reason is that i want to start player with "one" syntax for all 
> video/audio files. the exact problem is that pre6 uses exactly the 
> interface i give with -ao, even for hwac3.
>
> some examples
>
> mplayer -ao alsa -ac hwac3, <file>
> plays ac3 files fine but with non-ac3 files no sound comes out of my 
> sp/dif (however mplayer seems to play it)
>
> mplayer -ao alsa:device=iec958 -ac hwac3, <file>
> plays non-ac3 files via sp/dif but hwac3 passthrough with ac3 files 
> does not work (however mplayer seems to play the file)
>
> mplayer -ao alsa,alsa:device=iec958 -ac hwac3, <file>
> plays ac3 files via sp/dif (hwac3 passthrough) but no non-ac3 files 
> (however....)
>
> i've tried a lot more combinations but no one works
>
>
>
> with mplayer-1.0pre5 i just use this syntax an it plays non-ac3 files 
> and ac3 files without problems.
>
> mplayer -ao alsa:device=iec958 -ac hwac3, <file>
>
>
> the changelog for pre6 say this:
>
> ALSA audio output driver always uses specified device, even for hwac3
>
>
> so i guess from version pre5 -> pre6 mplayer behavior has changed. 
> maybe in pre5 it automatically selects the right audio output for 
> hwac3. and in pre6 it always uses the one given via -ao. but why? isnt 
> it a good idea to automaticaly select the right output device? sure, 
> there should be a way to force the output device. but there also 
> should be a way to let mplayer decide which device is best for hwac3!?
>
>
> or is there a way to get the same behavior with pre6?
>
> i need it because i use mplayer with freevo which uses a fix syntax to 
> call mplayer.
>
> my box is a via epia-m 10000 (snd_via82xx). but i guess this is not 
> important for this problem....
>
> regards
> the2nd
>
>
>
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