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Old 6th January 2021, 22:47   #10  |  Link
Greenhorn
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Join Date: Apr 2018
Posts: 51
Quote:
Originally Posted by utack View Post
Not sure if ffmpeg currently works inefficently but mpv with an 8K AV1 Video it allocates just over 4000MB VRAM for me, so that would not work
Could someone cross-check with the native Windows Video Player?
don't have MPV installed to test, but testing with a 8K60 HDR clip downloaded from Youtube shows the native media player allocating ~800 megabytes. (MPC-BE with madVR allocates ~2.1 gigabytes.) 1660 TI with a 6GB buffer.

8K is going to have huge memory requirements regardless of the codec, though; I'd expect it to basically scale by the number of frames prerendered by the player rather with additional codec overhead being negligible. I almost wonder if the suspiciously low numbers are due to decoding being too slow to fill some internal buffer, with the MS (libaom) decoder being slower than dav1d in MPC.

Last edited by Greenhorn; 7th January 2021 at 03:16.
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