On Wed, Nov 15, 2017 at 8:47 PM, Christian Johannesen < [email protected]> wrote: > > > On Wed, Nov 15, 2017 at 5:42 PM, Carl Eugen Hoyos <[email protected]> > wrote: >> >> Please also test "-filter_threads 1" and / or "-threads 1" with >> higher filter_threads value. >> >> Carl Eugen > > > I've tested different values and found that "-threads 12" is where the > memory allocation fails, setting -threads 11" works fine. Using "ffmpeg.exe > -filter_threads 1" also results in the same "Error while filtering: Cannot > allocate memory" error. The machine I am testing on has 20 physical cpu > cores with hyper threading enabled. > > I misread your question and re-tested again. There seems to be no limit of the threads I can have for filters. I can have a setting of "-threads 8 -filter_threads 128" and it works. I think the issue is related to how many threads FFmpeg tries to allocate on my system. I can adapt our command line use to limit our threads to 8 or 10.
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