[Mplayer-dev-eng] S/PDIF passthrough patch "nearly" finished... need a hint.Mon Aug 6 12:20:12 2001

[Arpi]

Hi,

> as the open-source emu10k driver now supports AC3 passthrough for
> the Soundblaster 5.1 as well (worked only on Soundblaster Live, before),
> I could resume my little "S/PDIF passthrough support for mplayer" project.
> 
> Well, the passthrough works and my receiver correctly plays the AC3
> sound... but there's one big problem left: While AC3 is playing, the
> decoded video frames are not displayed... and some seconds after starting
> the replay, mplayer stops with this error message:
> 
> if(demux->video->packs>=MAX_PACKS || demux->video->bytes>=MAX_PACK_BYTES){
>    printf("\nDEMUXER: Too many (%d in %d bytes) video packets in the buffer!\n",demux->video->packs,demux->video->bytes);
>    printf("(maybe you play a non-interleaved stream/file or video codec failed)\n");
>    break;
> }
> 
> I don't know the mplayer code good enough yet to draw the right conclusions:
> What exactly is going wrong here? Can you tell me how a change in the audio
> output code may influence the player in a way that causes this error?
> I didn't change anything video-related...

Timing problem.

Video is synced to audio. But i think that AC3 passthrough doesn't
handle timing properly (like buffer state (as no buffer), and audio
position is wrongly calculated.

Send me the patch, I'll check it.


A'rpi / Astral & ESP-team

--
mailto:arpi at thot.banki.hu
http://esp-team.scene.hu

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