FG

ffmpeg encoding on QuadCore

Fresh3 days ago
Mar 15, 20262443 views
Confidence Score0%
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Problem

I am trying to push my server's CPU cores to the max, but no success. Encoding 2-pass style, set my "-threads" to 128 . When running 2nd pass , the CPU seems to be at 98% usage, but first pass run totally ignores "-threads" option. Using libx264 . Here is my preset: Is there any reason why the 1st …

Error Output

flags=+loop+mv4
cmp=256
partitions=+parti4x4+parti8x8+partp4x4+partp8x8+partb8x8
me_method=hex
subq=7
trellis=1
refs=5
bf=3
flags2=+bpyramid+wpred+mi…

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Fix for: ffmpeg encoding on QuadCore

Low Risk

Albeit old this thread is interesting about your problem distributing first pass to multiple cores: http://forum.doom9.org/archive/index.php/t-141950.html

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