[HN Gopher] Vulkan Video Extensions for Accelerated H.264 and H....
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Vulkan Video Extensions for Accelerated H.264 and H.265 Encode
Author : mshachkov
Score : 36 points
Date : 2023-12-19 21:21 UTC (1 hours ago)
(HTM) web link (www.khronos.org)
(TXT) w3m dump (www.khronos.org)
| shmerl wrote:
| _> In addition, given the high industry demand for AV1 codec
| support, an AV1 decode extension release is imminent, with an AV1
| encode extension development also underway._
|
| That's good.
|
| By the way, mpv already supports Vulkan video decoding:
|
| https://github.com/mpv-player/mpv/issues/11739
|
| Now we need OBS and Firefox supporting Vulkan video too.
| dist-epoch wrote:
| On Windows/Mac Firefox uses the system hardware video decoding
| APIs - DXVA and Video Toolbox.
| shmerl wrote:
| On Windows Vulkan video would work. But not on macOS (that
| mpv thread mentions it).
|
| On Linux it should be a better option than VAAPI once drivers
| will support it. Since Firefox is using ffmpeg anyway, it
| probably shouldn't be too hard to make it an option.
| jorvi wrote:
| Why would it be a better option than VAAPI?
|
| Decoding h264/h265 in fixed (CPU) hardware is much more
| efficient than on the GPU.
|
| Don't get me wrong, its still miles and miles better than
| software decode.
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(page generated 2023-12-19 23:00 UTC)