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The CPU isn’t used for encoding video
by brigade 2y ago
The CPU isn’t used for encoding video
- LtdJorge 2y agoEncoding a single image with the CPU takes nothing compared to modern video codecs.
- brigade 2y agoBurst mode captures 10 images per second, for encode demands of 120 MP/s. That’s half the throughput of 4k30.
- lupusreal 2y agoIs there a cool down between bursts or can you do 10 a second for as many consecutive seconds as you like? You only have to get the images encoded and stored before the next burst starts, or at least before the user runs out of memory.
- supriyo-biswas 2y agoI’ve done bursts that lasted for 2 minutes.
- lonjil 2y agoThere's literally no way Apple developed a hardware accelerator for JXL encoding. So they're definitely using some kind of a CPU or generic DSP.
- JyrkiAlakuijala 2y agoThey might have some things like DCTs and colorspace transforms accelerated.