[mythtv-users] Mythcommflag and multi-core cpu setups

[Michael T. Dean]

  On 01/21/2011 11:07 PM, Robert McNamara wrote:
> On Fri, Jan 21, 2011 at 8:05 PM, Derek&  Cindi Cass wrote:
>> I see in mythcommflag that --hogcpu will cause the flagger to use as
>> much of 1 cpu as it can.  I have a quad-core cpu (AMD @ 3GHz), but I can
>> still only get ~33fps for 1080i content, and I like to flag sports
>> events real-time so that I can start watching them about 1 hour after
>> they start.  Is there any way to get mythcommflag to use more than 1
>> cpu?  I only have 1 hdpvr on this system, so I would only be running 1
>> commflag at a time anyway.  I already have the JobQueueCPU setting at 2.
> No.  We are limited by the decoding capabilities of libavcodec, which
> is predominantly (but not completely) single-threaded.  When ffmpeg
> evolves more comprehensive multithreaded decode and encode support, so
> too can/will we.

Also, if you set appropriate jump and skip amounts in your Playback 
Groups, you can skip over commercials quite easily even in non-flagged 
(or mis-flagged) content.

Mike