News for hackers. Stuff that matters.

A comment on AV1 beats x264 and libvpx-vp9 in practical use case. Parent comment

Re:AV1 beats x264 and libvpx-vp9 in practical use case by ec109685 on Wednesday April 11, 2018 @01:10AM (#16808231)
To get to “sane time”, you break up the video and have more than one encoder running at a time: http://cseweb.ucsd.edu/~gmporter/papers/nsdi17-excamera.pdf
[ Parent | on HN ]
Re:AV1 beats x264 and libvpx-vp9 in practical use case by akvadrako on Wednesday April 11, 2018 @08:51AM (#16810569)
That's only going to give you a 4x improvement on typical devices and is something HEVC can do too.
[ Parent | on HN ]
Re:AV1 beats x264 and libvpx-vp9 in practical use case by ec109685 on Friday April 13, 2018 @12:01AM (#16827049)
Why only 4x? Video can be subdivided into more pieces.
[ Parent | on HN ]
Re:AV1 beats x264 and libvpx-vp9 in practical use case by bwbw223 on Saturday April 14, 2018 @12:11AM (#16835815)
Because most devices are quad-core. After a certain point context-switches create a diminishing return.
[ Parent | on HN ]
Re:AV1 beats x264 and libvpx-vp9 in practical use case by ec109685 on Saturday April 14, 2018 @10:56AM (#16837561)
Distribute across multiple machines.
[ Parent | on HN ]