Mar 20, 2024, 23:24 by mich...@niedermayer.cc: > Hi > > why is sizeof(HEVCVPS) is 7463476 ? > > If you think about this for a moment, a VPS in the bit stream is what, 5 > bytes ? > > Now iam not even talking about someone proving you a 10mb file with a million > VPSs > 7TB allocation, memsets memcpies, ... > > But even with a totally normal file 7mb is easily bigger than the frame buffer > that wastes memory, it wastes cpu time, it wastes data cache >
As discussed on IRC, Vulkan ran into this. The size of all HEVC structs (SPS, VPS, PPS) at their maximum array sizes is ~120 Mb. That's why there's a function in Vulkan to allocate them on demand. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
