| /* |
| * 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 libavcodec/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; |
| } |
