[MPlayer-dev-eng] udp/mpeg2-ts streaming

Nico Sabbi nsabbi at tiscali.it
Thu May 20 15:46:09 CEST 2004


Dermot McGahon wrote:

> On Thu, 20 May 2004 15:14:38 +0200, Nico Sabbi <nsabbi at tiscali.it> wrote:
>
>> A:   7.7 V:   7.2 A-V:  0.468 ct:  0.172   53/ 53  38% 26% 78.6% 49 
>> 0  
>> 0%                                                                          
>>                                                           ^^^^^^
>> this is the percentage of CPU used by the  audio codec: 78.6% vs 1.8%.
>> How can it be so high? Maybe a timing problem/PTS mismatch?
>> It's becoming an interesting issue, worth investigating :)
>
>
> I don't know how it can be so high, but my instincts were telling
> me that it was audio related, hence upgrading to fc2 with alsa and
> trying the sdl audio output, which has improved matters fairly
> significantly.
>
> At an earlier stage on a pii-400, I was getting "too many video
> packets for this buffer" message, and traced through the demuxing.
>

yes, but surely this message was preceded by "your system is too slow to 
handle this", right?


> It wasn't clear to me, but it was demuxing audio data.
>
> I'm not sure where next to look for this.
>
> demux_ts ?
>

yes, but the audio demuxing code is right, as you can see playing the 
file directly.
Is the video smooth until the end if you append -nosound?

> or the audio codecs themselves?
>

no

>
> Dermot.
> -- 
>
Nico




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