Paul B Mahol <one...@gmail.com> writes: > On 9/12/22, Cecil Westerhof via ffmpeg-user <ffmpeg-user@ffmpeg.org> wrote: >> For a certain conversion I use '-threads 1'. As I understand it ffmpeg >> should then only use one CPU. I see that the CPU usage is lower as >> without this parameter, but it goes up to 180%. So clearly it is using >> at least two CPU's. >> Or am I understanding this parameter wrongly? >> >> I am using ffmpeg version 4.3.4-0+deb11u1. (Debian always lags a >> little bit behind to be more stable.) >> > > threads can be used for input decoding, output encoding and filtering. > > You need to use threads = 1 for all 3 of them.
I see: -filter_threads -filter_complex_threads But nothing for input decoding and output decoding. By the way: does this mean that ffmpeg can always use 4 CPU's? (input, output, filtering and complex filtering) -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".