/***************************************************************************** * macroblock.h: macroblock encoding ***************************************************************************** * Copyright (C) 2003-2022 x264 project * * Authors: Loren Merritt * Laurent Aimar * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. * * This program is also available under a commercial proprietary license. * For more information, contact us at licensing@x264.com. *****************************************************************************/ #ifndef X264_ENCODER_MACROBLOCK_H #define X264_ENCODER_MACROBLOCK_H #include "common/macroblock.h" #define x264_rdo_init x264_template(rdo_init) void x264_rdo_init( void ); #define x264_macroblock_probe_skip x264_template(macroblock_probe_skip) int x264_macroblock_probe_skip( x264_t *h, int b_bidir ); #define x264_macroblock_probe_pskip( h )\ x264_macroblock_probe_skip( h, 0 ) #define x264_macroblock_probe_bskip( h )\ x264_macroblock_probe_skip( h, 1 ) #define x264_predict_lossless_4x4 x264_template(predict_lossless_4x4) void x264_predict_lossless_4x4( x264_t *h, pixel *p_dst, int p, int idx, int i_mode ); #define x264_predict_lossless_8x8 x264_template(predict_lossless_8x8) void x264_predict_lossless_8x8( x264_t *h, pixel *p_dst, int p, int idx, int i_mode, pixel edge[36] ); #define x264_predict_lossless_16x16 x264_template(predict_lossless_16x16) void x264_predict_lossless_16x16( x264_t *h, int p, int i_mode ); #define x264_predict_lossless_chroma x264_template(predict_lossless_chroma) void x264_predict_lossless_chroma( x264_t *h, int i_mode ); #define x264_macroblock_encode x264_template(macroblock_encode) void x264_macroblock_encode ( x264_t *h ); #define x264_macroblock_write_cabac x264_template(macroblock_write_cabac) void x264_macroblock_write_cabac ( x264_t *h, x264_cabac_t *cb ); #define x264_macroblock_write_cavlc x264_template(macroblock_write_cavlc) void x264_macroblock_write_cavlc ( x264_t *h ); #define x264_macroblock_encode_p8x8 x264_template(macroblock_encode_p8x8) void x264_macroblock_encode_p8x8( x264_t *h, int i8 ); #define x264_macroblock_encode_p4x4 x264_template(macroblock_encode_p4x4) void x264_macroblock_encode_p4x4( x264_t *h, int i4 ); #define x264_mb_encode_chroma x264_template(mb_encode_chroma) void x264_mb_encode_chroma( x264_t *h, int b_inter, int i_qp ); #define x264_cabac_mb_skip x264_template(cabac_mb_skip) void x264_cabac_mb_skip( x264_t *h, int b_skip ); #define x264_cabac_block_residual_c x264_template(cabac_block_residual_c) void x264_cabac_block_residual_c( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l ); #define x264_cabac_block_residual_8x8_rd_c x264_template(cabac_block_residual_8x8_rd_c) void x264_cabac_block_residual_8x8_rd_c( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l ); #define x264_cabac_block_residual_rd_c x264_template(cabac_block_residual_rd_c) void x264_cabac_block_residual_rd_c( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l ); #define x264_quant_luma_dc_trellis x264_template(quant_luma_dc_trellis) int x264_quant_luma_dc_trellis( x264_t *h, dctcoef *dct, int i_quant_cat, int i_qp, int ctx_block_cat, int b_intra, int idx ); #define x264_quant_chroma_dc_trellis x264_template(quant_chroma_dc_trellis) int x264_quant_chroma_dc_trellis( x264_t *h, dctcoef *dct, int i_qp, int b_intra, int idx ); #define x264_quant_4x4_trellis x264_template(quant_4x4_trellis) int x264_quant_4x4_trellis( x264_t *h, dctcoef *dct, int i_quant_cat, int i_qp, int ctx_block_cat, int b_intra, int b_chroma, int idx ); #define x264_quant_8x8_trellis x264_template(quant_8x8_trellis) int x264_quant_8x8_trellis( x264_t *h, dctcoef *dct, int i_quant_cat, int i_qp, int ctx_block_cat, int b_intra, int b_chroma, int idx ); #define x264_noise_reduction_update x264_template(noise_reduction_update) void x264_noise_reduction_update( x264_t *h ); static ALWAYS_INLINE int x264_quant_4x4( x264_t *h, dctcoef dct[16], int i_qp, int ctx_block_cat, int b_intra, int p, int idx ) { int i_quant_cat = b_intra ? (p?CQM_4IC:CQM_4IY) : (p?CQM_4PC:CQM_4PY); if( h->mb.b_noise_reduction ) h->quantf.denoise_dct( dct, h->nr_residual_sum[0+!!p*2], h->nr_offset[0+!!p*2], 16 ); if( h->mb.b_trellis ) return x264_quant_4x4_trellis( h, dct, i_quant_cat, i_qp, ctx_block_cat, b_intra, !!p, idx+p*16 ); else return h->quantf.quant_4x4( dct, h->quant4_mf[i_quant_cat][i_qp], h->quant4_bias[i_quant_cat][i_qp] ); } static ALWAYS_INLINE int x264_quant_8x8( x264_t *h, dctcoef dct[64], int i_qp, int ctx_block_cat, int b_intra, int p, int idx ) { int i_quant_cat = b_intra ? (p?CQM_8IC:CQM_8IY) : (p?CQM_8PC:CQM_8PY); if( h->mb.b_noise_reduction ) h->quantf.denoise_dct( dct, h->nr_residual_sum[1+!!p*2], h->nr_offset[1+!!p*2], 64 ); if( h->mb.b_trellis ) return x264_quant_8x8_trellis( h, dct, i_quant_cat, i_qp, ctx_block_cat, b_intra, !!p, idx+p*4 ); else return h->quantf.quant_8x8( dct, h->quant8_mf[i_quant_cat][i_qp], h->quant8_bias[i_quant_cat][i_qp] ); } #define STORE_8x8_NNZ( p, idx, nz )\ do\ {\ M16( &h->mb.cache.non_zero_count[x264_scan8[p*16+idx*4]+0] ) = (nz) * 0x0101;\ M16( &h->mb.cache.non_zero_count[x264_scan8[p*16+idx*4]+8] ) = (nz) * 0x0101;\ } while( 0 ) #define CLEAR_16x16_NNZ( p ) \ do\ {\ M32( &h->mb.cache.non_zero_count[x264_scan8[16*p] + 0*8] ) = 0;\ M32( &h->mb.cache.non_zero_count[x264_scan8[16*p] + 1*8] ) = 0;\ M32( &h->mb.cache.non_zero_count[x264_scan8[16*p] + 2*8] ) = 0;\ M32( &h->mb.cache.non_zero_count[x264_scan8[16*p] + 3*8] ) = 0;\ } while( 0 ) /* A special for loop that iterates branchlessly over each set * bit in a 4-bit input. */ #define FOREACH_BIT(idx,start,mask) for( int idx = start, msk = mask, skip; msk && (skip = x264_ctz_4bit(msk), idx += skip, msk >>= skip+1, 1); idx++ ) static ALWAYS_INLINE void x264_mb_encode_i4x4( x264_t *h, int p, int idx, int i_qp, int i_mode, int b_predict ) { int nz; pixel *p_src = &h->mb.pic.p_fenc[p][block_idx_xy_fenc[idx]]; pixel *p_dst = &h->mb.pic.p_fdec[p][block_idx_xy_fdec[idx]]; ALIGNED_ARRAY_64( dctcoef, dct4x4,[16] ); if( b_predict ) { if( h->mb.b_lossless ) x264_predict_lossless_4x4( h, p_dst, p, idx, i_mode ); else h->predict_4x4[i_mode]( p_dst ); } if( h->mb.b_lossless ) { nz = h->zigzagf.sub_4x4( h->dct.luma4x4[p*16+idx], p_src, p_dst ); h->mb.cache.non_zero_count[x264_scan8[p*16+idx]] = nz; h->mb.i_cbp_luma |= nz<<(idx>>2); return; } h->dctf.sub4x4_dct( dct4x4, p_src, p_dst ); nz = x264_quant_4x4( h, dct4x4, i_qp, ctx_cat_plane[DCT_LUMA_4x4][p], 1, p, idx ); h->mb.cache.non_zero_count[x264_scan8[p*16+idx]] = nz; if( nz ) { h->mb.i_cbp_luma |= 1<<(idx>>2); h->zigzagf.scan_4x4( h->dct.luma4x4[p*16+idx], dct4x4 ); h->quantf.dequant_4x4( dct4x4, h->dequant4_mf[p?CQM_4IC:CQM_4IY], i_qp ); h->dctf.add4x4_idct( p_dst, dct4x4 ); } } static ALWAYS_INLINE void x264_mb_encode_i8x8( x264_t *h, int p, int idx, int i_qp, int i_mode, pixel *edge, int b_predict ) { int x = idx&1; int y = idx>>1; int nz; pixel *p_src = &h->mb.pic.p_fenc[p][8*x + 8*y*FENC_STRIDE]; pixel *p_dst = &h->mb.pic.p_fdec[p][8*x + 8*y*FDEC_STRIDE]; ALIGNED_ARRAY_64( dctcoef, dct8x8,[64] ); ALIGNED_ARRAY_32( pixel, edge_buf,[36] ); if( b_predict ) { if( !edge ) { h->predict_8x8_filter( p_dst, edge_buf, h->mb.i_neighbour8[idx], x264_pred_i4x4_neighbors[i_mode] ); edge = edge_buf; } if( h->mb.b_lossless ) x264_predict_lossless_8x8( h, p_dst, p, idx, i_mode, edge ); else h->predict_8x8[i_mode]( p_dst, edge ); } if( h->mb.b_lossless ) { nz = h->zigzagf.sub_8x8( h->dct.luma8x8[p*4+idx], p_src, p_dst ); STORE_8x8_NNZ( p, idx, nz ); h->mb.i_cbp_luma |= nz<dctf.sub8x8_dct8( dct8x8, p_src, p_dst ); nz = x264_quant_8x8( h, dct8x8, i_qp, ctx_cat_plane[DCT_LUMA_8x8][p], 1, p, idx ); if( nz ) { h->mb.i_cbp_luma |= 1<zigzagf.scan_8x8( h->dct.luma8x8[p*4+idx], dct8x8 ); h->quantf.dequant_8x8( dct8x8, h->dequant8_mf[p?CQM_8IC:CQM_8IY], i_qp ); h->dctf.add8x8_idct8( p_dst, dct8x8 ); STORE_8x8_NNZ( p, idx, 1 ); } else STORE_8x8_NNZ( p, idx, 0 ); } #endif