[Ffmpeg-devel] Re: MPEG-2 Acceleration Under Mac OS X - Can We Move This Forward?

Baptiste Coudurier baptiste.coudurier
Tue Aug 29 13:31:17 CEST 2006


galenz at zinkconsulting.com wrote:
> [...]
> I know the allure of such a function - but I question the reality of it,
> at least at the moment. Keep in mind, MPEG-2 is quality king at higher
> bitrates, and CPU usage climbs with bitrate, so it can be pretty
> intensive under the right circumstances. Try watching a 60 fps, 1920 x
> 1080 19 megabit stream - that's what they broadcast over the air in many
> countries - and let me know how your system fares. Now toss in the fact
> you may need to de-interlace this. MPEG-2 acceleration is a very real need.

Does anyone actually broadcast at 1080p ? I only know broadcasters at
720 60p(ESPN, ABC ?) and 1080 60i.

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