[vdr] VDR-xine + ffmpeg? (h.264 problems)
goga777 at bk.ru
Sat May 24 09:27:54 CEST 2008
> > I followed a german tutorial on how to install VDR with xine. It had
> > some patches for better h.264 playback, but when I tune to BBC HD, it's
> > still painfully slow, and the image is quite bad, too!
> Try to cheat decoding in ~/.xine/config:
I have tried this options, but they don't help me on my slow CPU (P4 3GGz for 1080i)
> Regarding image quality: you'll have to use a deinterlacer
> xine ...
how is it possible to disable deinterlacing at all on xine for 1080i ?
> Using use_progressive_frame_flag=1 will disable the deinterlacer
> for progressive images automatically and save some CPU cycles but
> broadcasters often do not set this flag correctly in the images
> especially when there is only a little area with heavy movement
> (e. g. a football). Hence, those images do not get deinterlaced
> and look awfully.
> > I compiled xine with the ffmpeg option (external ffmpeg or something)
> > but I never installed ffmpeg nor are there any instructions on how to do so.
> configure ; make ; make install
> > I mean, I could compile ffmpeg eventually, I just need to know if I need
> > to apply any more patches or so ...
> > I installed ffmpeg from the repository, but it doesn't seem to have any
> > effect.
> Optimize your FFmpeg for your hardware, e. g.
> ../ffmpeg/configure --prefix=/soft/ffmpeg-video --arch=i686
> --cpu=pentium4 --enable-pthreads --enable-shared --enable-gpl
> --enable-postproc --disable-stripping
> Similar optimization for xine-lib / xine-ui:
> CFLAGS='-g3 -O3 -pipe -march=pentium4' ../xine-lib-1.2/configure
> --prefix=/soft/xine-lib-1.2-video --with-external-ffmpeg
> CFLAGS='-g3 -O3 -pipe -march=pentium4' ../xine-ui/configure
> --prefix=/soft/xine-ui-1.2-video --enable-vdr-keys
> Last but not least: make sure that you use a graphics board which
> supports hardware color space conversion and image scaling. Use
> an appropriate output driver, e. g.
> xine ... -V xv
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