[mythtv] Updated patch for directshow filters with MythTV (for CoreAVC)

Mark Kendall mark.kendall at gmail.com
Wed Feb 7 20:46:18 UTC 2007

On 2/7/07, Alan Nisota <alannisota at gmail.com> wrote:
> Andrew Lyon wrote:
> > Its working, colours are a bit off but its playing back in realtime!,
> > I'm going to upgrade my kernel and nvidia drivers and do more testing,
> > ive been meaning to bring them up to date anyway..
> The color issue may be due to the output format we're using.  I am using
> I420 because that is what Myth wants, but it may be that YV12 works
> better.  If I can get a sample that shows the problem in myth, I can
> test it in mplayer and see if I can figure out what needs to be done.
> Also, I now have multiple CPUs almost working, and it gives a huge
> speedup.  The only problem is that I get a segfault at the end of
> playback (inside the codec).  Once I get that worked out, I'll update
> the patch with the fixes that have come up so far.


The problem is in avformatdecoder

+           bih.biCompression = 0x34363268; //0x30323449;

If I revert to the commented out (I420) fourcc, colourspace is as expected.



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