[mythtv-users] transcoding H.264 for slower frontends

[Nick Rout]

On Wed, Apr 22, 2009 at 9:12 PM, John Taylor <john at vetsurgeon.org.uk> wrote:
> I have a diskless frontend based on an M10k- works brilliantly for standard TV
>
> Here in the UK, BBC have recently started broadcasting FTA HD
> typically at a resolution of 1440x1080i, and encoded in H.264/MPEG-4
> AVC
>
> Obviously this is too much for my little M10000, but I would like to
> transcode to MPEG-2 and offload it to the the built in hardware
> decoder which has a max resolution of 1024x768 think)
>
> Experimentation with ffmpeg has got me nothing but jerky video; best
> results so far:
>
> ffmpeg -i infile.mpg -s 1024x768 -r 25 -b 6000000 -acodec copy -map
> 0.0:0.0 -map 0.1:0.1 -f mpegts outfile.mpg
>
> Any help appreciated- I would like to transcode the original file so
> it will still play in the myth internal player
>

you have no -vcodec so I suspect whatever is the default will be used,
and IIRC thats not pretty!

Better still get a vdpau PCI card and enjoy the HD!