4 ms·
Note that the encoders are slower largely because it's not hardware-accelerated yet. We can reasonably assume that will change, as basically every major player
by kagenouta 6y ago
Note that the encoders are slower largely because it's not hardware-accelerated yet.
We can reasonably assume that will change, as basically every major player in the CPU/GPU spaces[1] has signed on to back this. Even Apple is a member.
[1] the exceptions are mostly downstream ARM vendors - notably, Qualcomm
- kasabali 6y ago> Note that the encoders are slower largely because it's not hardware-accelerated yet. This is a very misleading statement. AV1 encoders are slow because they're slow, not because they're not hardware accelerated. x264 and x265 are not hardware accelerated, either.
- zamalek 6y ago> x264 and x265 are not hardware accelerated, either. This is incredibly false. https://en.wikipedia.org/wiki/Intel_Quick_Sync_Video https://en.wikipedia.org/wiki/Intel_Quick_Sync_Video https://en.wikipedia.org/wiki/Nvidia_NVENC https://en.wikipedia.org/wiki/Nvidia_NVENC https://en.wikipedia.org/wiki/Video_Coding_Engine https://en.wikipedia.org/wiki/Video_Coding_Engine (this has been widely available for 8 years)
- citrusui 6y agox264 and x265 refer to the specific set of software programs of the same name, right? Most chips nowadays can hardware accel H.264 and H.265, but they don't use x264/x265 (or do they? Not sure...). I think the confusion is that the terms x264 and H.264 are not interchangeable
- clouddrover 6y agoI think kasabali was talking about x264 (https://www.videolan.org/developers/x264.html https://www.videolan.org/developers/x264.html) and x265 (http://x265.org/ http://x265.org/) specifically rather than the H.264 and H.265 video formats in general.
- izacus 6y agoYou've linked competing hardware encoding APIs which are not x264/x265. x264/x265 are software encoding libraries for H264/H.265 video formats and don't really use hardware acceleration beyond SIMD instructions on CPUs. x264 is known for its great output quality while still being fast on x86 CPUs.
- kagenouta 6y ago> x264 and x265 are not hardware accelerated, either. Huh, TIL. Though I would also sort of want to know where x264 and x265 were a year in, tbf.