[mythtv] less CPU-intensive MPEG-2 decoding in CVS

Isaac Richards ijr at case.edu
Tue Jan 25 19:55:14 EST 2005


On Tuesday 25 January 2005 06:59 pm, Jeremiah Morris wrote:
> On 25 Jan 2005, at 5:17 PM, Thomas M. Pluth wrote:
> >   Will this handle HDTV MPEG-2 recordings as well?
>
> I believe so, although I don't have an HD system to try it out myself.
>
> For those familiar with the code, the change replaces the call to
> avcodec_decode_video in avformatdecoder.cpp. Since this file has code
> to handle AC3, I assume the HDTV passes through here.

It does - I'm now able to decode the couple 1080i test clips I have on my 
1800+ perfectly smoothly with the libmpeg2 stuff.  With ffmpeg, I can only 
decode up through 720p smoothly.

Isaac


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