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> Yes, currently there is no hardware encoder/decoder for AV1, but there is for h264 on many processors. This may change in the future if companies and users ad

> Yes, currently there is no hardware encoder/decoder for AV1, but there is for h264 on many processors. This may change in the future if companies and users adopt it. Does x86/x64 have any? What's the name of one of the instructions (for example)? I feel like mostly all I see is just bigger vector instructions...

vortico 8y ago
It's not a collection of x86_64 instructions, it's an separate specialized core on Intel CPUs. https://en.wikipedia.org/wiki/Intel_Quick_Sync_Video#Hardware_decoding_and_encoding https://en.wikipedia.org/wiki/Intel_Quick_Sync_Video#Hardwar... and AMD https://en.wikipedia.org/wiki/Video_Coding_Engine https://en.wikipedia.org/wiki/Video_Coding_Engine You need OS-dependent driver code to access it. Otherwise, if a decoder just uses x86_64 instructions, it's a software decoder.
- mehrdadn 8y ago
  Whoa!!! So there's a CPU, a GPU, and a dedicated video decoder?? I had no idea. Thanks for sharing this!!
  - brewrwe 8y ago
    Yeah, its called a VPU aka Video Processing Unit. If your hardware implements video decoding, they likely have licensed or designed their own VPU IP block.