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When using MacOS (iMac Intel) can I activate integrated graphics, but have ffmpeg/Video Toolbox use discrete graphics ?

10 juin 2023, par Jann

I have a 2019 Retina iMac with both integrated graphics (Intel HD Graphics CFL) and the Radeon Pro 560X. I never use this machine for anything except encoding videos as it is so old - and a desktop. So it generally sits on my desk handing ripping my Blurays and encoding them using a self-compiled version of ffmpeg.




I use the video-toolbox hardware acceleration w/ffmpeg.




If I tell the iMac to boot using integrated graphics, will ffmepg via video-toolbox use the Radeon card ? I ask cos when I boot using the Radeon card, then start an encode, screen sharing becomes unresponsive as the GPU is being used heavily by ffmpeg and the Radeon has issues driving the screen, doing acceleration on screen sharing AND encoding w/ffmpeg.




TIA




Jann



Revision 0c39318a8b : Missing _ means no sse3 for vp9_h_predictor_32x32. Error in script means vp9_h_

6 novembre 2013, par Paul Wilkins

Changed Paths :
Modify /vp9/common/vp9_rtcd_defs.sh

Missing _ means no sse3 for vp9_h_predictor_32x32.

Error in script means vp9_h_predictor_32x32 sse3 version
is not enabled.

Change-Id : Ia43672740da1ecdfb7fcd420490ef424b04accc4
Revision 27f809db91 : Merge "Disable using golden frame modes if golden frames are not being used"

14 février 2014, par Alex Converse

Merge "Disable using golden frame modes if golden frames are not being used"

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