avcodec/x86/hevc: add SSE2 and AVX transform_4x4_luma

23 July 17:58 - FFmpeg - Marcos Ashton Iglesias

Implements the 4x4 luma DST-VII inverse transform for 8 and 10 bit, using pmaddwd on (src0,src2)/(src1,src3) pairs, mirroring the existing 4x4 IDCT structure.

avutil/hwcontext_cuda: remove format allowlist, accept any pixel format

22 July 21:42 - FFmpeg - Philip Langdale

Remove the static supported_formats[] allowlist from hwcontext_cuda.

hurd: Make setitimer clear interval on value being 0

22 July 20:26 - glibc - Samuel Thibault

posix says value being 0 means disabling a timer, regardless of the interval, so we should clear the interval in that case, so a further setitimer call does not see a non-zero interval.