code wiki / (root) / nx_vcodec_color_frame.nx

nx_vcodec_color_frame.nx

buildroot/runtime/nx_vcodec_color_frame.nx

3786 B75 linesdepth 3pulls 3 transitivereach 10 importersview sourcekind tooltopic vcodec

docs dependencies structs consts functions

about

nx_vcodec_color_frame.nx -- RUNG H5 of the sovereign s-class video codec: the COLOR frame codec. Takes an RGB frame -> YCbCr (H4) -> 4:2:0 (chroma at half resolution = half the chroma data) -> per-plane 4x4 integer transform + quantization (the proven WHT block codec) -> reconstruct -> upsample -> RGB. This is the grayscale-demo's successor: real color, real compression, pure integer, built on the ALU/transform hardware rungs. No float, no third-party. license_tier: ORIGINAL

dependencies 1 imports · 4 importers

imports: nx_vcodec_color.nx

imported by: nx_vcodec_color_codec.nxnx_vcodec_color_frame_test.nxnx_vcodec_inter.nxnx_vcodec_stream.nx

structs

none

consts

none

functions

9	func wht4(X: i64, tmp: i64, out: *i64) -> i64 called by 2: enc_block dec_block
17	func enc_block(blk: i64, tmp: i64, T: i64, q: i64, QSTEP: i64) -> i64 called by 3: code_plane inter_code_plane encode_plane_stream calls 1: wht4
24	func dec_block(q: i64, tmp: i64, T: i64, out: i64, QSTEP: i64) -> i64 called by 3: code_plane inter_code_plane decode_plane_stream calls 1: wht4
31	func code_plane(plane: u8, W: i64, H: i64, QSTEP: i64, rec: u8) -> i64 called by 2: main main calls 2: enc_block dec_block
51	func subsample420(plane: u8, W: i64, H: i64, out: u8) -> i64 called by 3: vc_color_encode_key vc_color_encode_p main
63	func upsample420(ps: u8, Ws: i64, Hs: i64, out: u8) -> i64 called by 3: vc_color_decode_key vc_color_decode_p main
75	func main() -> i64 { return 0 }