[mythtv] Compilation problem after ffmpeg-resync

Janne Grunau janne-mythtv at grunau.be
Wed Jun 13 19:15:12 UTC 2007


On Wednesday 13 June 2007 20:54:06 Daniel Kristjansson wrote:
> On Wed, 2007-06-13 at 20:21 +0200, Janne Grunau wrote:
> > On Wednesday 13 June 2007 17:45:27 you wrote:
> > > We always use pthreads, this option just controls whether
> > > we use it internally in ffmpeg.
> >
> > I'm not sure whether we actually use threads in libavcodec. I don't
> > think we set the thread count in avcodeccontext. My multithreaded
> > H264 decoder patch does.
>
> We do when transcoding, if this option is used when compiling,
> and you set the number of threads to use as greater than one
> in the cfg.

Indeed, I missed that.

> I don't think we do this when just decoding for 
> display.

No, we don't and it is probably not that useful for mpeg2 HD decoding.

Janne


More information about the mythtv-dev mailing list