[FFmpeg-user] Strange CPU usage in MPEG2 encoding

[Roberto Ragusa]

On 09/01/2014 12:39 PM, SF wrote:

> Is someone here have ideas about what is going on ? Why the bufsize + maxrate option can create so much CPU load, 
> even with still pictures ? And why this does not occur with the same FFMPEG command-line ?
> 

Did you try to do some profiling and identify the code parts which
are taking so much additional time?

Something like:

valgrind --tool=callgrind --callgrind-out-file=/tmp/prof yourprogram

kcachegrind /tmp/prof

or whatever tool you prefer.

-- 
   Roberto Ragusa    mail at robertoragusa.it