Optimized S-VHS subdeemphasis, removed VHS-HQ#193

Draft

Stefan-Olt wants to merge 2 commits intooyvindln:vhs_decodefrom

Stefan-Olt:svhs

Commits on Feb 10, 2025

remove VHS-HQ format, as it never worked correctly and --ire0_adjust is reliable in correcting the alternating luma offset
Stefan-Olt
committed

Commits on Feb 11, 2025

S-VHS linear subdemphasis now with calculated filter instead of table
Stefan-Olt
committed