[MPlayer-dev-eng] [RFC] threaded decoding/filtering
dalias at aerifal.cx
Tue Feb 27 01:02:49 CET 2007
On Wed, Feb 28, 2007 at 04:00:51PM -0700, Loren Merritt wrote:
> On Wed, 28 Feb 2007, Benjamin Zores wrote:
> >I had a quick test on a 1080p VC-1 HD-DVD and it lags (seems to require
> >80% cpu time for vdec and 35% for adec, so only few power is missing).
> >For sure the playback would be smooth if the 2 cores were used.
> What kind of audio codec takes 35% cpu? Even faad isn't that slow. That
> seems a much more obvious target for optimization than threading.
>From my experience, once load hits near-100%, "audio percentage"
shoots way up. Also, the audio percentage includes demuxing, which can
be quite expensive simply due to memory operations when bitrate is
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