[vdr] HD suisse;SRG SSR idee suisse (H.264 under xine)

Reinhard Nissl rnissl at gmx.de
Mon Dec 3 22:01:12 CET 2007


Gregoire Favre schrieb:

> my country now as an HD channel :
> HD suisse;SRG SSR idee suisse:12399:hC34:S13.0E:27500:10180+180:0;131=deu,132=fra,133=ita,134=eng:0:0:990:318:8500:0
> It's 720p with AC3 for the four audio. I have a quiete strong CPU but
> it's barely enough to decode this as vdr/xine seems to only take one
> core of it, even if I have set 2/4 for the processing.ffmpeg thread count.
> (By the way, should I better set it to 2 as I have only two cores or to
> ??? )

Don't think that there will be much gain by setting it any higher than 2.

> Anyone know how to use both cores for this channel (like it's done for
> BBC HD;BSkyB:10847:vC56:S28.2E:22000:12318+2318:2320=NAR;2319=eng:2321:0:6940:0:0:0
> ?

The problem is that HD suisse codes each frame with only a single slice
but FFmpegs multithreaded decoding needs multiple slices per picture.

There are thoughts to add picture based multithreading in addition to
the currently existing slice based multithreading.

Dipl.-Inform. (FH) Reinhard Nissl
mailto:rnissl at gmx.de

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