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Choppy Video - Video Card?

O

Ozbastion

macrumors newbie
Original poster
Aug 5, 2017
14
0
Brisbane, Australia
Running a cMP 5.1 (Mid 2010) with 2 x 2.4GHz Quad-Core Intel Xeon, with 24GB RAM, ATI HD 5770, and a SATA SSD. When playing some of my own recorded videos (4K) from local disk, the playback is choppy.

With no other software running in the background, it would seem that there is a bottleneck in the hardware somewhere - would it be the poor video card that's letting me down?
 
Ozbastion said:
Interesting. I was hoping the 8 cores would compensate for the clock speed though I guessing playing video is not a multi thread process..
Click to expand...
If you tried to play it by just hitting the space bar, download IINA as a player. You should see a vast difference
 
Ozbastion said:
Interesting. I was hoping the 8 cores would compensate for the clock speed though I guessing playing video is not a multi thread process..
Click to expand...

AFAIK, it is multi thread process, however, not everything can go multi thread. My understanding is that there are lots of stuff going on in the background during video playback. As long as one of them is single threaded, you can get a choppy play back.

And I totally agree that try IINA before you do anything. It's the best free 4K player available in MacOS now.
 
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