/* * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file h264pred.c * H.264 / AVC / MPEG4 part10 prediction functions. * @author Michael Niedermayer <michaelni@gmx.at> */ #include "avcodec.h" #include "mpegvideo.h" #include "h264pred.h" static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){ const uint32_t a= ((uint32_t*)(src-stride))[0]; ((uint32_t*)(src+0*stride))[0]= a; ((uint32_t*)(src+1*stride))[0]= a; ((uint32_t*)(src+2*stride))[0]= a; ((uint32_t*)(src+3*stride))[0]= a; } static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){ ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101; ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101; ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101; ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101; } static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){ const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3; ((uint32_t*)(src+0*stride))[0]= ((uint32_t*)(src+1*stride))[0]= ((uint32_t*)(src+2*stride))[0]= ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101; } static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){ const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2; ((uint32_t*)(src+0*stride))[0]= ((uint32_t*)(src+1*stride))[0]= ((uint32_t*)(src+2*stride))[0]= ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101; } static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){ const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2; ((uint32_t*)(src+0*stride))[0]= ((uint32_t*)(src+1*stride))[0]= ((uint32_t*)(src+2*stride))[0]= ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101; } static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){ ((uint32_t*)(src+0*stride))[0]= ((uint32_t*)(src+1*stride))[0]= ((uint32_t*)(src+2*stride))[0]= ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U; } #define LOAD_TOP_RIGHT_EDGE\ const int av_unused t4= topright[0];\ const int av_unused t5= topright[1];\ const int av_unused t6= topright[2];\ const int av_unused t7= topright[3];\ #define LOAD_DOWN_LEFT_EDGE\ const int av_unused l4= src[-1+4*stride];\ const int av_unused l5= src[-1+5*stride];\ const int av_unused l6= src[-1+6*stride];\ const int av_unused l7= src[-1+7*stride];\ #define LOAD_LEFT_EDGE\ const int av_unused l0= src[-1+0*stride];\ const int av_unused l1= src[-1+1*stride];\ const int av_unused l2= src[-1+2*stride];\ const int av_unused l3= src[-1+3*stride];\ #define LOAD_TOP_EDGE\ const int av_unused t0= src[ 0-1*stride];\ const int av_unused t1= src[ 1-1*stride];\ const int av_unused t2= src[ 2-1*stride];\ const int av_unused t3= src[ 3-1*stride];\ static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){ const int lt= src[-1-1*stride]; LOAD_TOP_EDGE LOAD_LEFT_EDGE src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2; src[0+2*stride]= src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2; src[0+1*stride]= src[1+2*stride]= src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2; src[0+0*stride]= src[1+1*stride]= src[2+2*stride]= src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2; src[1+0*stride]= src[2+1*stride]= src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2; src[2+0*stride]= src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2; src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2; } static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE // LOAD_LEFT_EDGE src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2; src[1+0*stride]= src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2; src[2+0*stride]= src[1+1*stride]= src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2; src[3+0*stride]= src[2+1*stride]= src[1+2*stride]= src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2; src[3+1*stride]= src[2+2*stride]= src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2; src[3+2*stride]= src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2; src[3+3*stride]=(t6 + 3*t7 + 2)>>2; } static void pred4x4_down_left_svq3_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_TOP_EDGE LOAD_LEFT_EDGE const av_unused int unu0= t0; const av_unused int unu1= l0; src[0+0*stride]=(l1 + t1)>>1; src[1+0*stride]= src[0+1*stride]=(l2 + t2)>>1; src[2+0*stride]= src[1+1*stride]= src[0+2*stride]= src[3+0*stride]= src[2+1*stride]= src[1+2*stride]= src[0+3*stride]= src[3+1*stride]= src[2+2*stride]= src[1+3*stride]= src[3+2*stride]= src[2+3*stride]= src[3+3*stride]=(l3 + t3)>>1; } static void pred4x4_down_left_rv40_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE LOAD_LEFT_EDGE LOAD_DOWN_LEFT_EDGE src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3; src[1+0*stride]= src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3; src[2+0*stride]= src[1+1*stride]= src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3; src[3+0*stride]= src[2+1*stride]= src[1+2*stride]= src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3; src[3+1*stride]= src[2+2*stride]= src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3; src[3+2*stride]= src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3; src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2; } static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE LOAD_LEFT_EDGE src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3; src[1+0*stride]= src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3; src[2+0*stride]= src[1+1*stride]= src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3; src[3+0*stride]= src[2+1*stride]= src[1+2*stride]= src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3; src[3+1*stride]= src[2+2*stride]= src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3; src[3+2*stride]= src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3; src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2; } static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){ const int lt= src[-1-1*stride]; LOAD_TOP_EDGE LOAD_LEFT_EDGE src[0+0*stride]= src[1+2*stride]=(lt + t0 + 1)>>1; src[1+0*stride]= src[2+2*stride]=(t0 + t1 + 1)>>1; src[2+0*stride]= src[3+2*stride]=(t1 + t2 + 1)>>1; src[3+0*stride]=(t2 + t3 + 1)>>1; src[0+1*stride]= src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2; src[1+1*stride]= src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2; src[2+1*stride]= src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2; src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2; src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2; src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2; } static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE src[0+0*stride]=(t0 + t1 + 1)>>1; src[1+0*stride]= src[0+2*stride]=(t1 + t2 + 1)>>1; src[2+0*stride]= src[1+2*stride]=(t2 + t3 + 1)>>1; src[3+0*stride]= src[2+2*stride]=(t3 + t4+ 1)>>1; src[3+2*stride]=(t4 + t5+ 1)>>1; src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2; src[1+1*stride]= src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2; src[2+1*stride]= src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2; src[3+1*stride]= src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2; src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2; } static void pred4x4_vertical_left_rv40(uint8_t *src, uint8_t *topright, int stride, const int l0, const int l1, const int l2, const int l3, const int l4){ LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE src[0+0*stride]=(2*t0 + 2*t1 + l1 + 2*l2 + l3 + 4)>>3; src[1+0*stride]= src[0+2*stride]=(t1 + t2 + 1)>>1; src[2+0*stride]= src[1+2*stride]=(t2 + t3 + 1)>>1; src[3+0*stride]= src[2+2*stride]=(t3 + t4+ 1)>>1; src[3+2*stride]=(t4 + t5+ 1)>>1; src[0+1*stride]=(t0 + 2*t1 + t2 + l2 + 2*l3 + l4 + 4)>>3; src[1+1*stride]= src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2; src[2+1*stride]= src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2; src[3+1*stride]= src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2; src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2; } static void pred4x4_vertical_left_rv40_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_LEFT_EDGE LOAD_DOWN_LEFT_EDGE pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4); } static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_LEFT_EDGE pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3); } static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_LEFT_EDGE src[0+0*stride]=(l0 + l1 + 1)>>1; src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2; src[2+0*stride]= src[0+1*stride]=(l1 + l2 + 1)>>1; src[3+0*stride]= src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2; src[2+1*stride]= src[0+2*stride]=(l2 + l3 + 1)>>1; src[3+1*stride]= src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2; src[3+2*stride]= src[1+3*stride]= src[0+3*stride]= src[2+2*stride]= src[2+3*stride]= src[3+3*stride]=l3; } static void pred4x4_horizontal_up_rv40_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_LEFT_EDGE LOAD_DOWN_LEFT_EDGE LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3; src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3; src[2+0*stride]= src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3; src[3+0*stride]= src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3; src[2+1*stride]= src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3; src[3+1*stride]= src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3; src[3+2*stride]= src[1+3*stride]=(l3 + 2*l4 + l5 + 2)>>2; src[0+3*stride]= src[2+2*stride]=(t6 + t7 + l3 + l4 + 2)>>2; src[2+3*stride]=(l4 + l5 + 1)>>1; src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2; } static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){ LOAD_LEFT_EDGE LOAD_TOP_EDGE LOAD_TOP_RIGHT_EDGE src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3; src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3; src[2+0*stride]= src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3; src[3+0*stride]= src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3; src[2+1*stride]= src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3; src[3+1*stride]= src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3; src[3+2*stride]= src[1+3*stride]=l3; src[0+3*stride]= src[2+2*stride]=(t6 + t7 + 2*l3 + 2)>>2; src[2+3*stride]= src[3+3*stride]=l3; } static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){ const int lt= src[-1-1*stride]; LOAD_TOP_EDGE LOAD_LEFT_EDGE src[0+0*stride]= src[2+1*stride]=(lt + l0 + 1)>>1; src[1+0*stride]= src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2; src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2; src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2; src[0+1*stride]= src[2+2*stride]=(l0 + l1 + 1)>>1; src[1+1*stride]= src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2; src[0+2*stride]= src[2+3*stride]=(l1 + l2+ 1)>>1; src[1+2*stride]= src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2; src[0+3*stride]=(l2 + l3 + 1)>>1; src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2; } static void pred16x16_vertical_c(uint8_t *src, int stride){ int i; const uint32_t a= ((uint32_t*)(src-stride))[0]; const uint32_t b= ((uint32_t*)(src-stride))[1]; const uint32_t c= ((uint32_t*)(src-stride))[2]; const uint32_t d= ((uint32_t*)(src-stride))[3]; for(i=0; i<16; i++){ ((uint32_t*)(src+i*stride))[0]= a; ((uint32_t*)(src+i*stride))[1]= b; ((uint32_t*)(src+i*stride))[2]= c; ((uint32_t*)(src+i*stride))[3]= d; } } static void pred16x16_horizontal_c(uint8_t *src, int stride){ int i; for(i=0; i<16; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= ((uint32_t*)(src+i*stride))[2]= ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101; } } static void pred16x16_dc_c(uint8_t *src, int stride){ int i, dc=0; for(i=0;i<16; i++){ dc+= src[-1+i*stride]; } for(i=0;i<16; i++){ dc+= src[i-stride]; } dc= 0x01010101*((dc + 16)>>5); for(i=0; i<16; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= ((uint32_t*)(src+i*stride))[2]= ((uint32_t*)(src+i*stride))[3]= dc; } } static void pred16x16_left_dc_c(uint8_t *src, int stride){ int i, dc=0; for(i=0;i<16; i++){ dc+= src[-1+i*stride]; } dc= 0x01010101*((dc + 8)>>4); for(i=0; i<16; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= ((uint32_t*)(src+i*stride))[2]= ((uint32_t*)(src+i*stride))[3]= dc; } } static void pred16x16_top_dc_c(uint8_t *src, int stride){ int i, dc=0; for(i=0;i<16; i++){ dc+= src[i-stride]; } dc= 0x01010101*((dc + 8)>>4); for(i=0; i<16; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= ((uint32_t*)(src+i*stride))[2]= ((uint32_t*)(src+i*stride))[3]= dc; } } static void pred16x16_128_dc_c(uint8_t *src, int stride){ int i; for(i=0; i<16; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= ((uint32_t*)(src+i*stride))[2]= ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U; } } static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3, const int rv40){ int i, j, k; int a; uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; const uint8_t * const src0 = src+7-stride; const uint8_t *src1 = src+8*stride-1; const uint8_t *src2 = src1-2*stride; // == src+6*stride-1; int H = src0[1] - src0[-1]; int V = src1[0] - src2[ 0]; for(k=2; k<=8; ++k) { src1 += stride; src2 -= stride; H += k*(src0[k] - src0[-k]); V += k*(src1[0] - src2[ 0]); } if(svq3){ H = ( 5*(H/4) ) / 16; V = ( 5*(V/4) ) / 16; /* required for 100% accuracy */ i = H; H = V; V = i; }else if(rv40){ H = ( H + (H>>2) ) >> 4; V = ( V + (V>>2) ) >> 4; }else{ H = ( 5*H+32 ) >> 6; V = ( 5*V+32 ) >> 6; } a = 16*(src1[0] + src2[16] + 1) - 7*(V+H); for(j=16; j>0; --j) { int b = a; a += V; for(i=-16; i<0; i+=4) { src[16+i] = cm[ (b ) >> 5 ]; src[17+i] = cm[ (b+ H) >> 5 ]; src[18+i] = cm[ (b+2*H) >> 5 ]; src[19+i] = cm[ (b+3*H) >> 5 ]; b += 4*H; } src += stride; } } static void pred16x16_plane_c(uint8_t *src, int stride){ pred16x16_plane_compat_c(src, stride, 0, 0); } static void pred16x16_plane_svq3_c(uint8_t *src, int stride){ pred16x16_plane_compat_c(src, stride, 1, 0); } static void pred16x16_plane_rv40_c(uint8_t *src, int stride){ pred16x16_plane_compat_c(src, stride, 0, 1); } static void pred8x8_vertical_c(uint8_t *src, int stride){ int i; const uint32_t a= ((uint32_t*)(src-stride))[0]; const uint32_t b= ((uint32_t*)(src-stride))[1]; for(i=0; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= a; ((uint32_t*)(src+i*stride))[1]= b; } } static void pred8x8_horizontal_c(uint8_t *src, int stride){ int i; for(i=0; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101; } } static void pred8x8_128_dc_c(uint8_t *src, int stride){ int i; for(i=0; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U; } } static void pred8x8_left_dc_c(uint8_t *src, int stride){ int i; int dc0, dc2; dc0=dc2=0; for(i=0;i<4; i++){ dc0+= src[-1+i*stride]; dc2+= src[-1+(i+4)*stride]; } dc0= 0x01010101*((dc0 + 2)>>2); dc2= 0x01010101*((dc2 + 2)>>2); for(i=0; i<4; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= dc0; } for(i=4; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= dc2; } } static void pred8x8_left_dc_rv40_c(uint8_t *src, int stride){ int i; int dc0; dc0=0; for(i=0;i<8; i++) dc0+= src[-1+i*stride]; dc0= 0x01010101*((dc0 + 4)>>3); for(i=0; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= dc0; } } static void pred8x8_top_dc_c(uint8_t *src, int stride){ int i; int dc0, dc1; dc0=dc1=0; for(i=0;i<4; i++){ dc0+= src[i-stride]; dc1+= src[4+i-stride]; } dc0= 0x01010101*((dc0 + 2)>>2); dc1= 0x01010101*((dc1 + 2)>>2); for(i=0; i<4; i++){ ((uint32_t*)(src+i*stride))[0]= dc0; ((uint32_t*)(src+i*stride))[1]= dc1; } for(i=4; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= dc0; ((uint32_t*)(src+i*stride))[1]= dc1; } } static void pred8x8_top_dc_rv40_c(uint8_t *src, int stride){ int i; int dc0; dc0=0; for(i=0;i<8; i++) dc0+= src[i-stride]; dc0= 0x01010101*((dc0 + 4)>>3); for(i=0; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= ((uint32_t*)(src+i*stride))[1]= dc0; } } static void pred8x8_dc_c(uint8_t *src, int stride){ int i; int dc0, dc1, dc2, dc3; dc0=dc1=dc2=0; for(i=0;i<4; i++){ dc0+= src[-1+i*stride] + src[i-stride]; dc1+= src[4+i-stride]; dc2+= src[-1+(i+4)*stride]; } dc3= 0x01010101*((dc1 + dc2 + 4)>>3); dc0= 0x01010101*((dc0 + 4)>>3); dc1= 0x01010101*((dc1 + 2)>>2); dc2= 0x01010101*((dc2 + 2)>>2); for(i=0; i<4; i++){ ((uint32_t*)(src+i*stride))[0]= dc0; ((uint32_t*)(src+i*stride))[1]= dc1; } for(i=4; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= dc2; ((uint32_t*)(src+i*stride))[1]= dc3; } } //the following 4 function should not be optimized! static void pred8x8_mad_cow_dc_l0t(uint8_t *src, int stride){ pred8x8_top_dc_c(src, stride); pred4x4_dc_c(src, NULL, stride); } static void pred8x8_mad_cow_dc_0lt(uint8_t *src, int stride){ pred8x8_dc_c(src, stride); pred4x4_top_dc_c(src, NULL, stride); } static void pred8x8_mad_cow_dc_l00(uint8_t *src, int stride){ pred8x8_left_dc_c(src, stride); pred4x4_128_dc_c(src + 4*stride , NULL, stride); pred4x4_128_dc_c(src + 4*stride + 4, NULL, stride); } static void pred8x8_mad_cow_dc_0l0(uint8_t *src, int stride){ pred8x8_left_dc_c(src, stride); pred4x4_128_dc_c(src , NULL, stride); pred4x4_128_dc_c(src + 4, NULL, stride); } static void pred8x8_dc_rv40_c(uint8_t *src, int stride){ int i; int dc0=0; for(i=0;i<4; i++){ dc0+= src[-1+i*stride] + src[i-stride]; dc0+= src[4+i-stride]; dc0+= src[-1+(i+4)*stride]; } dc0= 0x01010101*((dc0 + 8)>>4); for(i=0; i<4; i++){ ((uint32_t*)(src+i*stride))[0]= dc0; ((uint32_t*)(src+i*stride))[1]= dc0; } for(i=4; i<8; i++){ ((uint32_t*)(src+i*stride))[0]= dc0; ((uint32_t*)(src+i*stride))[1]= dc0; } } static void pred8x8_plane_c(uint8_t *src, int stride){ int j, k; int a; uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; const uint8_t * const src0 = src+3-stride; const uint8_t *src1 = src+4*stride-1; const uint8_t *src2 = src1-2*stride; // == src+2*stride-1; int H = src0[1] - src0[-1]; int V = src1[0] - src2[ 0]; for(k=2; k<=4; ++k) { src1 += stride; src2 -= stride; H += k*(src0[k] - src0[-k]); V += k*(src1[0] - src2[ 0]); } H = ( 17*H+16 ) >> 5; V = ( 17*V+16 ) >> 5; a = 16*(src1[0] + src2[8]+1) - 3*(V+H); for(j=8; j>0; --j) { int b = a; a += V; src[0] = cm[ (b ) >> 5 ]; src[1] = cm[ (b+ H) >> 5 ]; src[2] = cm[ (b+2*H) >> 5 ]; src[3] = cm[ (b+3*H) >> 5 ]; src[4] = cm[ (b+4*H) >> 5 ]; src[5] = cm[ (b+5*H) >> 5 ]; src[6] = cm[ (b+6*H) >> 5 ]; src[7] = cm[ (b+7*H) >> 5 ]; src += stride; } } #define SRC(x,y) src[(x)+(y)*stride] #define PL(y) \ const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2; #define PREDICT_8x8_LOAD_LEFT \ const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \ + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \ PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \ const int l7 av_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2 #define PT(x) \ const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2; #define PREDICT_8x8_LOAD_TOP \ const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \ + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \ PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \ const int t7 av_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \ + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2 #define PTR(x) \ t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2; #define PREDICT_8x8_LOAD_TOPRIGHT \ int t8, t9, t10, t11, t12, t13, t14, t15; \ if(has_topright) { \ PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \ t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \ } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1); #define PREDICT_8x8_LOAD_TOPLEFT \ const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2 #define PREDICT_8x8_DC(v) \ int y; \ for( y = 0; y < 8; y++ ) { \ ((uint32_t*)src)[0] = \ ((uint32_t*)src)[1] = v; \ src += stride; \ } static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_DC(0x80808080); } static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_LEFT; const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101; PREDICT_8x8_DC(dc); } static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101; PREDICT_8x8_DC(dc); } static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_LEFT; PREDICT_8x8_LOAD_TOP; const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7 +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101; PREDICT_8x8_DC(dc); } static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_LEFT; #define ROW(y) ((uint32_t*)(src+y*stride))[0] =\ ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7); #undef ROW } static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride) { int y; PREDICT_8x8_LOAD_TOP; src[0] = t0; src[1] = t1; src[2] = t2; src[3] = t3; src[4] = t4; src[5] = t5; src[6] = t6; src[7] = t7; for( y = 1; y < 8; y++ ) *(uint64_t*)(src+y*stride) = *(uint64_t*)src; } static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_TOPRIGHT; SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2; SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2; SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2; SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2; SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2; SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2; SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2; SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2; SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2; SRC(7,7)= (t14 + 3*t15 + 2) >> 2; } static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_LEFT; PREDICT_8x8_LOAD_TOPLEFT; SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2; SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2; SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2; SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2; SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2; SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2; SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2; SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2; SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2; SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2; } static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_LEFT; PREDICT_8x8_LOAD_TOPLEFT; SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2; SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2; SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2; SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2; SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2; SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2; SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2; SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1; SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2; SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1; SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1; SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1; SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1; SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1; SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1; SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2; SRC(7,0)= (t6 + t7 + 1) >> 1; } static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_LEFT; PREDICT_8x8_LOAD_TOPLEFT; SRC(0,7)= (l6 + l7 + 1) >> 1; SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2; SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1; SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2; SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1; SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2; SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1; SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2; SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1; SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2; SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1; SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2; SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1; SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2; SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1; SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2; SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2; SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2; SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2; SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2; SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2; SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2; } static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_TOPRIGHT; SRC(0,0)= (t0 + t1 + 1) >> 1; SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1; SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1; SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1; SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1; SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1; SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2; SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1; SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2; SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1; SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2; SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1; SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2; SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1; SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2; SRC(7,6)= (t10 + t11 + 1) >> 1; SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2; } static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_LEFT; SRC(0,0)= (l0 + l1 + 1) >> 1; SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2; SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1; SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2; SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1; SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2; SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1; SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2; SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1; SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2; SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1; SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2; SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1; SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2; SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)= SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)= SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)= SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7; } #undef PREDICT_8x8_LOAD_LEFT #undef PREDICT_8x8_LOAD_TOP #undef PREDICT_8x8_LOAD_TOPLEFT #undef PREDICT_8x8_LOAD_TOPRIGHT #undef PREDICT_8x8_DC #undef PTR #undef PT #undef PL #undef SRC static void pred4x4_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){ int i; pix -= stride; for(i=0; i<4; i++){ uint8_t v = pix[0]; pix[1*stride]= v += block[0]; pix[2*stride]= v += block[4]; pix[3*stride]= v += block[8]; pix[4*stride]= v += block[12]; pix++; block++; } } static void pred4x4_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){ int i; for(i=0; i<4; i++){ uint8_t v = pix[-1]; pix[0]= v += block[0]; pix[1]= v += block[1]; pix[2]= v += block[2]; pix[3]= v += block[3]; pix+= stride; block+= 4; } } static void pred8x8l_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){ int i; pix -= stride; for(i=0; i<8; i++){ uint8_t v = pix[0]; pix[1*stride]= v += block[0]; pix[2*stride]= v += block[8]; pix[3*stride]= v += block[16]; pix[4*stride]= v += block[24]; pix[5*stride]= v += block[32]; pix[6*stride]= v += block[40]; pix[7*stride]= v += block[48]; pix[8*stride]= v += block[56]; pix++; block++; } } static void pred8x8l_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){ int i; for(i=0; i<8; i++){ uint8_t v = pix[-1]; pix[0]= v += block[0]; pix[1]= v += block[1]; pix[2]= v += block[2]; pix[3]= v += block[3]; pix[4]= v += block[4]; pix[5]= v += block[5]; pix[6]= v += block[6]; pix[7]= v += block[7]; pix+= stride; block+= 8; } } static void pred16x16_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){ int i; for(i=0; i<16; i++) pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride); } static void pred16x16_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){ int i; for(i=0; i<16; i++) pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride); } static void pred8x8_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){ int i; for(i=0; i<4; i++) pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride); } static void pred8x8_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){ int i; for(i=0; i<4; i++) pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride); } /** * Sets the intra prediction function pointers. */ void ff_h264_pred_init(H264PredContext *h, int codec_id){ // MpegEncContext * const s = &h->s; if(codec_id != CODEC_ID_RV40){ h->pred4x4[VERT_PRED ]= pred4x4_vertical_c; h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c; h->pred4x4[DC_PRED ]= pred4x4_dc_c; if(codec_id == CODEC_ID_SVQ3) h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_svq3_c; else h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c; h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c; h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c; h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c; h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c; h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c; h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c; h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c; h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c; }else{ h->pred4x4[VERT_PRED ]= pred4x4_vertical_c; h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c; h->pred4x4[DC_PRED ]= pred4x4_dc_c; h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_rv40_c; h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c; h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c; h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c; h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_rv40_c; h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_rv40_c; h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c; h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c; h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c; h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= pred4x4_down_left_rv40_nodown_c; h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= pred4x4_horizontal_up_rv40_nodown_c; h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= pred4x4_vertical_left_rv40_nodown_c; } h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c; h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c; h->pred8x8l[DC_PRED ]= pred8x8l_dc_c; h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c; h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c; h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c; h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c; h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c; h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c; h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c; h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c; h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c; h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c; h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c; h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c; if(codec_id != CODEC_ID_RV40){ h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c; h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c; h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c; h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= pred8x8_mad_cow_dc_l0t; h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= pred8x8_mad_cow_dc_0lt; h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= pred8x8_mad_cow_dc_l00; h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= pred8x8_mad_cow_dc_0l0; }else{ h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_rv40_c; h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_rv40_c; h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_rv40_c; } h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c; h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c; h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c; h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c; h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c; switch(codec_id){ case CODEC_ID_SVQ3: h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_svq3_c; break; case CODEC_ID_RV40: h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_rv40_c; break; default: h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c; } h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c; h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c; h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c; //special lossless h/v prediction for h264 h->pred4x4_add [VERT_PRED ]= pred4x4_vertical_add_c; h->pred4x4_add [ HOR_PRED ]= pred4x4_horizontal_add_c; h->pred8x8l_add [VERT_PRED ]= pred8x8l_vertical_add_c; h->pred8x8l_add [ HOR_PRED ]= pred8x8l_horizontal_add_c; h->pred8x8_add [VERT_PRED8x8]= pred8x8_vertical_add_c; h->pred8x8_add [ HOR_PRED8x8]= pred8x8_horizontal_add_c; h->pred16x16_add[VERT_PRED8x8]= pred16x16_vertical_add_c; h->pred16x16_add[ HOR_PRED8x8]= pred16x16_horizontal_add_c; }