Brandon ThomasandClaude Opus 5.5 d0304c41b8 M9.1: filmcraft-hevc — clean-room H.265 decoder (Main / Main 10) ...

Parameter sets (VPS/SPS/PPS incl. VUI, scaling lists, short/long-term RPS,
tiles, WPP entry points), slice segment headers, POC / RPS / DPB management
with bumping, CABAC for all Main/Main10 syntax elements, coding / transform
quadtrees, AMP, PCM, transform skip, lossless bypass, intra prediction (35
modes, substitution, filtering, strong smoothing), merge / AMVP / TMVP,
8-tap / 4-tap interpolation, weighted prediction, DCT 4..32 / DST, scaling,
deblocking and SAO run row-pipelined, frame-threaded decoding.

Syntax tables extracted from the ITU-T H.265 text by tools/extract_tables.py.
41 libx265 / VideoToolbox fixtures bit-exact vs ffmpeg (single and
multi-threaded).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-09-30 10:11:22 -04:00

..

extract_tables.py

M9.1: filmcraft-hevc — clean-room H.265 decoder (Main / Main 10)

2026-09-30 10:11:22 -04:00