The code is written from scratch by Laurent Aimar, Loren Merritt, Eric Petit(OS X), Min Chen (vfw/asm), Justin Clay(vfw), Mns Rullgrd, Christian Heine (asm), and Alex Izvorski (asm).

Note: x264 is still considered alpha, so errors can (and will) occur!

Here are some key features of “x264 Video Codec”:
· CAVLC/CABAC
· Multi-references
· Intra: all macroblock types (16×16, 8×8, and 4×4 with all predictions)
· Inter P: all partitions (from 16×16 down to 4×4)
· Inter B: partitions from 16×16 down to 8×8 (including skip/direct)
· Ratecontrol: optional VBV, single or multipass ABR, constant quantizer
· Scene cut detection
· Adaptive B-frame placement
· B-frames as references / arbitrary frame order
· 8×8 and 4×4 adaptive spatial transform
· Lossless mode
· Custom quantization matrices
· Parallel encoding of multiple slices
· Interlacing

What’s New in This Release:
· sync yasm macros to ffmpeg

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