/***************************************************************************** * macroblock.h: h264 encoder library ***************************************************************************** * Copyright (C) 2003 Laurent Aimar * $Id: macroblock.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $ * * Authors: 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ #ifndef _MACROBLOCK_H #define _MACROBLOCK_H 1 enum macroblock_position_e { MB_LEFT = 0x01, MB_TOP = 0x02, MB_TOPRIGHT = 0x04, MB_PRIVATE = 0x10, }; /* XXX mb_type isn't the one written in the bitstream -> only internal usage */ #define IS_INTRA(type) ( (type) == I_4x4 || (type) == I_16x16 ) #define IS_SKIP(type) ( (type) == P_SKIP || (type) == B_SKIP ) #define IS_DIRECT(type) ( (type) == B_DIRECT ) enum mb_class_e { I_4x4 = 0, I_16x16 = 1, I_PCM = 2, P_L0 = 3, P_8x8 = 4, P_SKIP = 5, B_DIRECT = 6, B_L0_L0 = 7, B_L0_L1 = 8, B_L0_BI = 9, B_L1_L0 = 10, B_L1_L1 = 11, B_L1_BI = 12, B_BI_L0 = 13, B_BI_L1 = 14, B_BI_BI = 15, B_8x8 = 16, B_SKIP = 17, }; static const int x264_mb_type_list0_table[18][2] = { {0,0}, {0,0}, {0,0}, /* INTRA */ {1,1}, /* P_L0 */ {0,0}, /* P_8x8 */ {1,1}, /* P_SKIP */ {0,0}, /* B_DIRECT */ {1,1}, {1,0}, {1,1}, /* B_L0_* */ {0,1}, {0,0}, {0,1}, /* B_L1_* */ {1,1}, {1,0}, {1,1}, /* B_BI_* */ {0,0}, /* B_8x8 */ {0,0} /* B_SKIP */ }; static const int x264_mb_type_list1_table[18][2] = { {0,0}, {0,0}, {0,0}, /* INTRA */ {0,0}, /* P_L0 */ {0,0}, /* P_8x8 */ {0,0}, /* P_SKIP */ {0,0}, /* B_DIRECT */ {0,0}, {0,1}, {0,1}, /* B_L0_* */ {1,0}, {1,1}, {1,1}, /* B_L1_* */ {1,0}, {1,1}, {1,1}, /* B_BI_* */ {0,0}, /* B_8x8 */ {0,0} /* B_SKIP */ }; #define IS_SUB4x4(type) ( (type ==D_L0_4x4)||(type ==D_L1_4x4)||(type ==D_BI_4x4)) #define IS_SUB4x8(type) ( (type ==D_L0_4x8)||(type ==D_L1_4x8)||(type ==D_BI_4x8)) #define IS_SUB8x4(type) ( (type ==D_L0_8x4)||(type ==D_L1_8x4)||(type ==D_BI_8x4)) #define IS_SUB8x8(type) ( (type ==D_L0_8x8)||(type ==D_L1_8x8)||(type ==D_BI_8x8)||(type ==D_DIRECT_8x8)) enum mb_partition_e { /* sub partition type for P_8x8 and B_8x8 */ D_L0_4x4 = 0, D_L0_8x4 = 1, D_L0_4x8 = 2, D_L0_8x8 = 3, /* sub partition type for B_8x8 only */ D_L1_4x4 = 4, D_L1_8x4 = 5, D_L1_4x8 = 6, D_L1_8x8 = 7, D_BI_4x4 = 8, D_BI_8x4 = 9, D_BI_4x8 = 10, D_BI_8x8 = 11, D_DIRECT_8x8 = 12, /* partition */ D_8x8 = 13, D_16x8 = 14, D_8x16 = 15, D_16x16 = 16, }; static const int x264_mb_partition_listX_table[2][17] = {{ 1, 1, 1, 1, /* D_L0_* */ 0, 0, 0, 0, /* D_L1_* */ 1, 1, 1, 1, /* D_BI_* */ 0, /* D_DIRECT_8x8 */ 0, 0, 0, 0 /* 8x8 .. 16x16 */ }, { 0, 0, 0, 0, /* D_L0_* */ 1, 1, 1, 1, /* D_L1_* */ 1, 1, 1, 1, /* D_BI_* */ 0, /* D_DIRECT_8x8 */ 0, 0, 0, 0 /* 8x8 .. 16x16 */ }}; static const int x264_mb_partition_count_table[17] = { /* sub L0 */ 4, 2, 2, 1, /* sub L1 */ 4, 2, 2, 1, /* sub BI */ 4, 2, 2, 1, /* Direct */ 1, /* Partition */ 4, 2, 2, 1 }; void x264_macroblock_cache_init( x264_t *h ); void x264_macroblock_slice_init( x264_t *h ); void x264_macroblock_cache_load( x264_t *h, int i_mb_x, int i_mb_y ); void x264_macroblock_cache_save( x264_t *h ); void x264_macroblock_cache_end( x264_t *h ); void x264_macroblock_bipred_init( x264_t *h ); void x264_mb_dequant_4x4_dc( int16_t dct[4][4], int i_qscale ); void x264_mb_dequant_2x2_dc( int16_t dct[2][2], int i_qscale ); void x264_mb_dequant_4x4( int16_t dct[4][4], int i_qscale ); /* x264_mb_predict_mv_16x16: * set mvp with predicted mv for D_16x16 block * h->mb. need only valid values from other blocks */ void x264_mb_predict_mv_16x16( x264_t *h, int i_list, int i_ref, int mvp[2] ); /* x264_mb_predict_mv_pskip: * set mvp with predicted mv for P_SKIP * h->mb. need only valid values from other blocks */ void x264_mb_predict_mv_pskip( x264_t *h, int mv[2] ); /* x264_mb_predict_mv: * set mvp with predicted mv for all blocks except SKIP and DIRECT * h->mb. need valid ref/partition/sub of current block to be valid * and valid mv/ref from other blocks . */ void x264_mb_predict_mv( x264_t *h, int i_list, int idx, int i_width, int mvp[2] ); /* x264_mb_predict_mv_direct16x16: * set h->mb.cache.mv and h->mb.cache.ref for B_SKIP or B_DIRECT * h->mb. need only valid values from other blocks * return 1 on success, 0 on failure */ int x264_mb_predict_mv_direct16x16( x264_t *h ); /* x264_mb_load_mv_direct8x8: * set h->mb.cache.mv and h->mb.cache.ref for B_DIRECT * must be called only after x264_mb_predict_mv_direct16x16 */ void x264_mb_load_mv_direct8x8( x264_t *h, int idx ); /* x264_mb_predict_mv_ref16x16: * set mvc with D_16x16 prediction. * uses all neighbors, even those that didn't end up using this ref. * h->mb. need only valid values from other blocks */ void x264_mb_predict_mv_ref16x16( x264_t *h, int i_list, int i_ref, int mvc[5][2], int *i_mvc ); int x264_mb_predict_intra4x4_mode( x264_t *h, int idx ); int x264_mb_predict_non_zero_code( x264_t *h, int idx ); void x264_mb_encode_i4x4( x264_t *h, int idx, int i_qscale ); void x264_mb_mc( x264_t *h ); static inline void x264_macroblock_cache_ref( x264_t *h, int x, int y, int width, int height, int i_list, int ref ) { int dy, dx; for( dy = 0; dy < height; dy++ ) { for( dx = 0; dx < width; dx++ ) { h->mb.cache.ref[i_list][X264_SCAN8_0+x+dx+8*(y+dy)] = ref; } } } static inline void x264_macroblock_cache_mv( x264_t *h, int x, int y, int width, int height, int i_list, int mvx, int mvy ) { int dy, dx; for( dy = 0; dy < height; dy++ ) { for( dx = 0; dx < width; dx++ ) { h->mb.cache.mv[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][0] = mvx; h->mb.cache.mv[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][1] = mvy; } } } static inline void x264_macroblock_cache_mvd( x264_t *h, int x, int y, int width, int height, int i_list, int mdx, int mdy ) { int dy, dx; for( dy = 0; dy < height; dy++ ) { for( dx = 0; dx < width; dx++ ) { h->mb.cache.mvd[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][0] = mdx; h->mb.cache.mvd[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][1] = mdy; } } } static inline void x264_macroblock_cache_skip( x264_t *h, int x, int y, int width, int height, int b_skip ) { int dy, dx; for( dy = 0; dy < height; dy++ ) { for( dx = 0; dx < width; dx++ ) { h->mb.cache.skip[X264_SCAN8_0+x+dx+8*(y+dy)] = b_skip; } } } #endif
