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

[belcampo]

John Taylor 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
It looks you use an old version of ffmpeg, because of -b 6000000, if my 
assumtion is true, that version won't be able to read the BBC-HD file. 
You need a pretty-recent version of ffmpeg.
-b 6000k and sameq might give decent results.
no vcodec mpeg2video defined.
> 
> Any help appreciated- I would like to transcode the original file so
> it will still play in the myth internal player
> 
> John
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