[MPlayer-users] can't use dual core
lorenm at u.washington.edu
Thu Apr 19 23:10:52 CEST 2007
On Thu, 19 Apr 2007, Henry Garcia wrote:
> On 4/19/07, Vladimir Mosgalin <mosgalin at vm10124.spb.edu> wrote:
>> On 2007.04.19 at 13:16:29 -0400, Henry Garcia wrote next:
>>> -lavdopts threads=2
>>> That works for decoding with lavc on linux. Helps a little, not much.
>> Are you sure it ever helps at all? It doesn't seem that to me, at least
>> when decoding h264 and mpeg4. Haven't tested wmv3 and mpeg2, but I doubt
>> anything will change.
> Maybe it's my imagination. I feel better though. Actually, using the table
> of processess (top) from a console, I made a few comparisons, and it seems
> to cut down the processor usage about 5 - 6 % that's decoding an ffmpeg4
> file. But it shows up more on my system because I'm using 'slower' PIII 800
> Mhz processors.
The only decoders that support -lavdopts threads are mpeg1 and mpeg2. All
others silently ignore it.
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