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Search: Posts Made By: benwaggoner
Forum: VP9 and AV1 11th October 2023, 22:40
Replies: 25
Views: 4,897
Posted By benwaggoner
Hmm, perhaps they're doing some sort of 4x scale...

Hmm, perhaps they're doing some sort of 4x scale factor for chroma instead of using bicubic interpolation or something. A straight multiple would round down chroma value a bit. Inverse dithering with...
Forum: VP9 and AV1 6th October 2023, 22:56
Replies: 25
Views: 4,897
Posted By benwaggoner
Uote]

Yeah, frame threading is hard, and can cause unpredictable problems in a few frames here and there that require somewhat complex evaluation of per-frame metrics to predict. I always try to use a...
Forum: VP9 and AV1 4th October 2023, 18:51
Replies: 25
Views: 4,897
Posted By benwaggoner
Be warned that some early SoCs don't properly...

Be warned that some early SoCs don't properly implement FGS, so you'll definitely want to test it on your intended hardware before making a lot of content using it.

And yeah, tiles>1 can help...
Forum: VP9 and AV1 22nd September 2023, 22:56
Replies: 25
Views: 4,897
Posted By benwaggoner
Also, SVT-AV1 isn't really all that great an...

Also, SVT-AV1 isn't really all that great an encoder, particularly for Film Grain Synthesis. I don't know of a great free AV1 encoder, but commercial ones are getting quite good. But aomenc and...
Forum: VP9 and AV1 14th September 2023, 19:54
Replies: 25
Views: 4,897
Posted By benwaggoner
Although chunked encoding can have its own...

Although chunked encoding can have its own challenges, particularly as chunks get smaller. Like maintain VBV compliance across chunk boundaries, and potentially adding extra intra frames at chunk...
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