predict.c
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上传日期:2021-12-09
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文件大小:28k
源码类别:
Audio
开发平台:
Visual C++
- /*****************************************************************************
- * predict.c: h264 encoder
- *****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: predict.c,v 1.1 2004/06/03 19:27:07 fenrir Exp $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Loren Merritt <lorenm@u.washington.edu>
- *
- * 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.
- *****************************************************************************/
- /* predict4x4 are inspired from ffmpeg h264 decoder */
- #include "common.h"
- #include "clip1.h"
- #ifdef _MSC_VER
- #undef HAVE_MMXEXT /* not finished now */
- #endif
- #ifdef HAVE_MMXEXT
- # include "i386/predict.h"
- #endif
- /****************************************************************************
- * 16x16 prediction for intra luma block
- ****************************************************************************/
- #define PREDICT_16x16_DC(v)
- for( i = 0; i < 16; i++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = v;
- *p++ = v;
- *p++ = v;
- *p++ = v;
- src += FDEC_STRIDE;
- }
- static void predict_16x16_dc( uint8_t *src )
- {
- uint32_t dc = 0;
- int i;
- for( i = 0; i < 16; i++ )
- {
- dc += src[-1 + i * FDEC_STRIDE];
- dc += src[i - FDEC_STRIDE];
- }
- dc = (( dc + 16 ) >> 5) * 0x01010101;
- PREDICT_16x16_DC(dc);
- }
- static void predict_16x16_dc_left( uint8_t *src )
- {
- uint32_t dc = 0;
- int i;
- for( i = 0; i < 16; i++ )
- {
- dc += src[-1 + i * FDEC_STRIDE];
- }
- dc = (( dc + 8 ) >> 4) * 0x01010101;
- PREDICT_16x16_DC(dc);
- }
- static void predict_16x16_dc_top( uint8_t *src )
- {
- uint32_t dc = 0;
- int i;
- for( i = 0; i < 16; i++ )
- {
- dc += src[i - FDEC_STRIDE];
- }
- dc = (( dc + 8 ) >> 4) * 0x01010101;
- PREDICT_16x16_DC(dc);
- }
- static void predict_16x16_dc_128( uint8_t *src )
- {
- int i;
- PREDICT_16x16_DC(0x80808080);
- }
- static void predict_16x16_h( uint8_t *src )
- {
- int i;
- for( i = 0; i < 16; i++ )
- {
- const uint32_t v = 0x01010101 * src[-1];
- uint32_t *p = (uint32_t*)src;
- *p++ = v;
- *p++ = v;
- *p++ = v;
- *p++ = v;
- src += FDEC_STRIDE;
- }
- }
- static void predict_16x16_v( uint8_t *src )
- {
- uint32_t v0 = *(uint32_t*)&src[ 0-FDEC_STRIDE];
- uint32_t v1 = *(uint32_t*)&src[ 4-FDEC_STRIDE];
- uint32_t v2 = *(uint32_t*)&src[ 8-FDEC_STRIDE];
- uint32_t v3 = *(uint32_t*)&src[12-FDEC_STRIDE];
- int i;
- for( i = 0; i < 16; i++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = v0;
- *p++ = v1;
- *p++ = v2;
- *p++ = v3;
- src += FDEC_STRIDE;
- }
- }
- static void predict_16x16_p( uint8_t *src )
- {
- int x, y, i;
- int a, b, c;
- int H = 0;
- int V = 0;
- int i00;
- /* calcule H and V */
- for( i = 0; i <= 7; i++ )
- {
- H += ( i + 1 ) * ( src[ 8 + i - FDEC_STRIDE ] - src[6 -i -FDEC_STRIDE] );
- V += ( i + 1 ) * ( src[-1 + (8+i)*FDEC_STRIDE] - src[-1 + (6-i)*FDEC_STRIDE] );
- }
- a = 16 * ( src[-1 + 15*FDEC_STRIDE] + src[15 - FDEC_STRIDE] );
- b = ( 5 * H + 32 ) >> 6;
- c = ( 5 * V + 32 ) >> 6;
- i00 = a - b * 7 - c * 7 + 16;
- for( y = 0; y < 16; y++ )
- {
- int pix = i00;
- for( x = 0; x < 16; x++ )
- {
- src[x] = x264_clip_uint8( pix>>5 );
- pix += b;
- }
- src += FDEC_STRIDE;
- i00 += c;
- }
- }
- /****************************************************************************
- * 8x8 prediction for intra chroma block
- ****************************************************************************/
- static void predict_8x8c_dc_128( uint8_t *src )
- {
- int y;
- for( y = 0; y < 8; y++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = 0x80808080;
- *p++ = 0x80808080;
- src += FDEC_STRIDE;
- }
- }
- static void predict_8x8c_dc_left( uint8_t *src )
- {
- int y;
- uint32_t dc0 = 0, dc1 = 0;
- for( y = 0; y < 4; y++ )
- {
- dc0 += src[y * FDEC_STRIDE - 1];
- dc1 += src[(y+4) * FDEC_STRIDE - 1];
- }
- dc0 = (( dc0 + 2 ) >> 2)*0x01010101;
- dc1 = (( dc1 + 2 ) >> 2)*0x01010101;
- for( y = 0; y < 4; y++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = dc0;
- *p++ = dc0;
- src += FDEC_STRIDE;
- }
- for( y = 0; y < 4; y++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = dc1;
- *p++ = dc1;
- src += FDEC_STRIDE;
- }
- }
- static void predict_8x8c_dc_top( uint8_t *src )
- {
- int y, x;
- uint32_t dc0 = 0, dc1 = 0;
- for( x = 0; x < 4; x++ )
- {
- dc0 += src[x - FDEC_STRIDE];
- dc1 += src[x + 4 - FDEC_STRIDE];
- }
- dc0 = (( dc0 + 2 ) >> 2)*0x01010101;
- dc1 = (( dc1 + 2 ) >> 2)*0x01010101;
- for( y = 0; y < 8; y++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = dc0;
- *p++ = dc1;
- src += FDEC_STRIDE;
- }
- }
- static void predict_8x8c_dc( uint8_t *src )
- {
- int y;
- int s0 = 0, s1 = 0, s2 = 0, s3 = 0;
- uint32_t dc0, dc1, dc2, dc3;
- int i;
- /*
- s0 s1
- s2
- s3
- */
- for( i = 0; i < 4; i++ )
- {
- s0 += src[i - FDEC_STRIDE];
- s1 += src[i + 4 - FDEC_STRIDE];
- s2 += src[-1 + i * FDEC_STRIDE];
- s3 += src[-1 + (i+4)*FDEC_STRIDE];
- }
- /*
- dc0 dc1
- dc2 dc3
- */
- dc0 = (( s0 + s2 + 4 ) >> 3)*0x01010101;
- dc1 = (( s1 + 2 ) >> 2)*0x01010101;
- dc2 = (( s3 + 2 ) >> 2)*0x01010101;
- dc3 = (( s1 + s3 + 4 ) >> 3)*0x01010101;
- for( y = 0; y < 4; y++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = dc0;
- *p++ = dc1;
- src += FDEC_STRIDE;
- }
- for( y = 0; y < 4; y++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = dc2;
- *p++ = dc3;
- src += FDEC_STRIDE;
- }
- }
- static void predict_8x8c_h( uint8_t *src )
- {
- int i;
- for( i = 0; i < 8; i++ )
- {
- uint32_t v = 0x01010101 * src[-1];
- uint32_t *p = (uint32_t*)src;
- *p++ = v;
- *p++ = v;
- src += FDEC_STRIDE;
- }
- }
- static void predict_8x8c_v( uint8_t *src )
- {
- uint32_t v0 = *(uint32_t*)&src[0-FDEC_STRIDE];
- uint32_t v1 = *(uint32_t*)&src[4-FDEC_STRIDE];
- int i;
- for( i = 0; i < 8; i++ )
- {
- uint32_t *p = (uint32_t*)src;
- *p++ = v0;
- *p++ = v1;
- src += FDEC_STRIDE;
- }
- }
- static void predict_8x8c_p( uint8_t *src )
- {
- int i;
- int x,y;
- int a, b, c;
- int H = 0;
- int V = 0;
- int i00;
- for( i = 0; i < 4; i++ )
- {
- H += ( i + 1 ) * ( src[4+i - FDEC_STRIDE] - src[2 - i -FDEC_STRIDE] );
- V += ( i + 1 ) * ( src[-1 +(i+4)*FDEC_STRIDE] - src[-1+(2-i)*FDEC_STRIDE] );
- }
- a = 16 * ( src[-1+7*FDEC_STRIDE] + src[7 - FDEC_STRIDE] );
- b = ( 17 * H + 16 ) >> 5;
- c = ( 17 * V + 16 ) >> 5;
- i00 = a -3*b -3*c + 16;
- for( y = 0; y < 8; y++ )
- {
- int pix = i00;
- for( x = 0; x < 8; x++ )
- {
- src[x] = x264_clip_uint8( pix>>5 );
- pix += b;
- }
- src += FDEC_STRIDE;
- i00 += c;
- }
- }
- /****************************************************************************
- * 4x4 prediction for intra luma block
- ****************************************************************************/
- #define PREDICT_4x4_DC(v)
- {
- *(uint32_t*)&src[0*FDEC_STRIDE] =
- *(uint32_t*)&src[1*FDEC_STRIDE] =
- *(uint32_t*)&src[2*FDEC_STRIDE] =
- *(uint32_t*)&src[3*FDEC_STRIDE] = v;
- }
- static void predict_4x4_dc_128( uint8_t *src )
- {
- PREDICT_4x4_DC(0x80808080);
- }
- static void predict_4x4_dc_left( uint8_t *src )
- {
- uint32_t dc = (( src[-1+0*FDEC_STRIDE] + src[-1+FDEC_STRIDE]+
- src[-1+2*FDEC_STRIDE] + src[-1+3*FDEC_STRIDE] + 2 ) >> 2)*0x01010101;
- PREDICT_4x4_DC(dc);
- }
- static void predict_4x4_dc_top( uint8_t *src )
- {
- uint32_t dc = (( src[0 - FDEC_STRIDE] + src[1 - FDEC_STRIDE] +
- src[2 - FDEC_STRIDE] + src[3 - FDEC_STRIDE] + 2 ) >> 2)*0x01010101;
- PREDICT_4x4_DC(dc);
- }
- static void predict_4x4_dc( uint8_t *src )
- {
- uint32_t dc = (( src[-1+0*FDEC_STRIDE] + src[-1+FDEC_STRIDE] +
- src[-1+2*FDEC_STRIDE] + src[-1+3*FDEC_STRIDE] +
- src[0 - FDEC_STRIDE] + src[1 - FDEC_STRIDE] +
- src[2 - FDEC_STRIDE] + src[3 - FDEC_STRIDE] + 4 ) >> 3)*0x01010101;
- PREDICT_4x4_DC(dc);
- }
- static void predict_4x4_h( uint8_t *src )
- {
- *(uint32_t*)&src[0*FDEC_STRIDE] = src[0*FDEC_STRIDE-1] * 0x01010101;
- *(uint32_t*)&src[1*FDEC_STRIDE] = src[1*FDEC_STRIDE-1] * 0x01010101;
- *(uint32_t*)&src[2*FDEC_STRIDE] = src[2*FDEC_STRIDE-1] * 0x01010101;
- *(uint32_t*)&src[3*FDEC_STRIDE] = src[3*FDEC_STRIDE-1] * 0x01010101;
- }
- static void predict_4x4_v( uint8_t *src )
- {
- uint32_t top = *((uint32_t*)&src[-FDEC_STRIDE]);
- PREDICT_4x4_DC(top);
- }
- #define PREDICT_4x4_LOAD_LEFT
- const int l0 = src[-1+0*FDEC_STRIDE];
- const int l1 = src[-1+1*FDEC_STRIDE];
- const int l2 = src[-1+2*FDEC_STRIDE];
- UNUSED const int l3 = src[-1+3*FDEC_STRIDE];
- #define PREDICT_4x4_LOAD_TOP
- const int t0 = src[0-1*FDEC_STRIDE];
- const int t1 = src[1-1*FDEC_STRIDE];
- const int t2 = src[2-1*FDEC_STRIDE];
- UNUSED const int t3 = src[3-1*FDEC_STRIDE];
- #define PREDICT_4x4_LOAD_TOP_RIGHT
- const int t4 = src[4-1*FDEC_STRIDE];
- const int t5 = src[5-1*FDEC_STRIDE];
- const int t6 = src[6-1*FDEC_STRIDE];
- UNUSED const int t7 = src[7-1*FDEC_STRIDE];
- static void predict_4x4_ddl( uint8_t *src )
- {
- PREDICT_4x4_LOAD_TOP
- PREDICT_4x4_LOAD_TOP_RIGHT
- src[0*FDEC_STRIDE+0] = ( t0 + 2*t1 + t2 + 2 ) >> 2;
- src[0*FDEC_STRIDE+1] =
- src[1*FDEC_STRIDE+0] = ( t1 + 2*t2 + t3 + 2 ) >> 2;
- src[0*FDEC_STRIDE+2] =
- src[1*FDEC_STRIDE+1] =
- src[2*FDEC_STRIDE+0] = ( t2 + 2*t3 + t4 + 2 ) >> 2;
- src[0*FDEC_STRIDE+3] =
- src[1*FDEC_STRIDE+2] =
- src[2*FDEC_STRIDE+1] =
- src[3*FDEC_STRIDE+0] = ( t3 + 2*t4 + t5 + 2 ) >> 2;
- src[1*FDEC_STRIDE+3] =
- src[2*FDEC_STRIDE+2] =
- src[3*FDEC_STRIDE+1] = ( t4 + 2*t5 + t6 + 2 ) >> 2;
- src[2*FDEC_STRIDE+3] =
- src[3*FDEC_STRIDE+2] = ( t5 + 2*t6 + t7 + 2 ) >> 2;
- src[3*FDEC_STRIDE+3] = ( t6 + 3*t7 + 2 ) >> 2;
- }
- static void predict_4x4_ddr( uint8_t *src )
- {
- const int lt = src[-1-FDEC_STRIDE];
- PREDICT_4x4_LOAD_LEFT
- PREDICT_4x4_LOAD_TOP
- src[0*FDEC_STRIDE+0] =
- src[1*FDEC_STRIDE+1] =
- src[2*FDEC_STRIDE+2] =
- src[3*FDEC_STRIDE+3] = ( t0 + 2 * lt + l0 + 2 ) >> 2;
- src[0*FDEC_STRIDE+1] =
- src[1*FDEC_STRIDE+2] =
- src[2*FDEC_STRIDE+3] = ( lt + 2 * t0 + t1 + 2 ) >> 2;
- src[0*FDEC_STRIDE+2] =
- src[1*FDEC_STRIDE+3] = ( t0 + 2 * t1 + t2 + 2 ) >> 2;
- src[0*FDEC_STRIDE+3] = ( t1 + 2 * t2 + t3 + 2 ) >> 2;
- src[1*FDEC_STRIDE+0] =
- src[2*FDEC_STRIDE+1] =
- src[3*FDEC_STRIDE+2] = ( lt + 2 * l0 + l1 + 2 ) >> 2;
- src[2*FDEC_STRIDE+0] =
- src[3*FDEC_STRIDE+1] = ( l0 + 2 * l1 + l2 + 2 ) >> 2;
- src[3*FDEC_STRIDE+0] = ( l1 + 2 * l2 + l3 + 2 ) >> 2;
- }
- static void predict_4x4_vr( uint8_t *src )
- {
- const int lt = src[-1-FDEC_STRIDE];
- PREDICT_4x4_LOAD_LEFT
- PREDICT_4x4_LOAD_TOP
- src[0*FDEC_STRIDE+0]=
- src[2*FDEC_STRIDE+1]= ( lt + t0 + 1 ) >> 1;
- src[0*FDEC_STRIDE+1]=
- src[2*FDEC_STRIDE+2]= ( t0 + t1 + 1 ) >> 1;
- src[0*FDEC_STRIDE+2]=
- src[2*FDEC_STRIDE+3]= ( t1 + t2 + 1 ) >> 1;
- src[0*FDEC_STRIDE+3]= ( t2 + t3 + 1 ) >> 1;
- src[1*FDEC_STRIDE+0]=
- src[3*FDEC_STRIDE+1]= ( l0 + 2 * lt + t0 + 2 ) >> 2;
- src[1*FDEC_STRIDE+1]=
- src[3*FDEC_STRIDE+2]= ( lt + 2 * t0 + t1 + 2 ) >> 2;
- src[1*FDEC_STRIDE+2]=
- src[3*FDEC_STRIDE+3]= ( t0 + 2 * t1 + t2 + 2) >> 2;
- src[1*FDEC_STRIDE+3]= ( t1 + 2 * t2 + t3 + 2 ) >> 2;
- src[2*FDEC_STRIDE+0]= ( lt + 2 * l0 + l1 + 2 ) >> 2;
- src[3*FDEC_STRIDE+0]= ( l0 + 2 * l1 + l2 + 2 ) >> 2;
- }
- static void predict_4x4_hd( uint8_t *src )
- {
- const int lt= src[-1-1*FDEC_STRIDE];
- PREDICT_4x4_LOAD_LEFT
- PREDICT_4x4_LOAD_TOP
- src[0*FDEC_STRIDE+0]=
- src[1*FDEC_STRIDE+2]= ( lt + l0 + 1 ) >> 1;
- src[0*FDEC_STRIDE+1]=
- src[1*FDEC_STRIDE+3]= ( l0 + 2 * lt + t0 + 2 ) >> 2;
- src[0*FDEC_STRIDE+2]= ( lt + 2 * t0 + t1 + 2 ) >> 2;
- src[0*FDEC_STRIDE+3]= ( t0 + 2 * t1 + t2 + 2 ) >> 2;
- src[1*FDEC_STRIDE+0]=
- src[2*FDEC_STRIDE+2]= ( l0 + l1 + 1 ) >> 1;
- src[1*FDEC_STRIDE+1]=
- src[2*FDEC_STRIDE+3]= ( lt + 2 * l0 + l1 + 2 ) >> 2;
- src[2*FDEC_STRIDE+0]=
- src[3*FDEC_STRIDE+2]= ( l1 + l2+ 1 ) >> 1;
- src[2*FDEC_STRIDE+1]=
- src[3*FDEC_STRIDE+3]= ( l0 + 2 * l1 + l2 + 2 ) >> 2;
- src[3*FDEC_STRIDE+0]= ( l2 + l3 + 1 ) >> 1;
- src[3*FDEC_STRIDE+1]= ( l1 + 2 * l2 + l3 + 2 ) >> 2;
- }
- static void predict_4x4_vl( uint8_t *src )
- {
- PREDICT_4x4_LOAD_TOP
- PREDICT_4x4_LOAD_TOP_RIGHT
- src[0*FDEC_STRIDE+0]= ( t0 + t1 + 1 ) >> 1;
- src[0*FDEC_STRIDE+1]=
- src[2*FDEC_STRIDE+0]= ( t1 + t2 + 1 ) >> 1;
- src[0*FDEC_STRIDE+2]=
- src[2*FDEC_STRIDE+1]= ( t2 + t3 + 1 ) >> 1;
- src[0*FDEC_STRIDE+3]=
- src[2*FDEC_STRIDE+2]= ( t3 + t4 + 1 ) >> 1;
- src[2*FDEC_STRIDE+3]= ( t4 + t5 + 1 ) >> 1;
- src[1*FDEC_STRIDE+0]= ( t0 + 2 * t1 + t2 + 2 ) >> 2;
- src[1*FDEC_STRIDE+1]=
- src[3*FDEC_STRIDE+0]= ( t1 + 2 * t2 + t3 + 2 ) >> 2;
- src[1*FDEC_STRIDE+2]=
- src[3*FDEC_STRIDE+1]= ( t2 + 2 * t3 + t4 + 2 ) >> 2;
- src[1*FDEC_STRIDE+3]=
- src[3*FDEC_STRIDE+2]= ( t3 + 2 * t4 + t5 + 2 ) >> 2;
- src[3*FDEC_STRIDE+3]= ( t4 + 2 * t5 + t6 + 2 ) >> 2;
- }
- static void predict_4x4_hu( uint8_t *src )
- {
- PREDICT_4x4_LOAD_LEFT
- src[0*FDEC_STRIDE+0]= ( l0 + l1 + 1 ) >> 1;
- src[0*FDEC_STRIDE+1]= ( l0 + 2 * l1 + l2 + 2 ) >> 2;
- src[0*FDEC_STRIDE+2]=
- src[1*FDEC_STRIDE+0]= ( l1 + l2 + 1 ) >> 1;
- src[0*FDEC_STRIDE+3]=
- src[1*FDEC_STRIDE+1]= ( l1 + 2*l2 + l3 + 2 ) >> 2;
- src[1*FDEC_STRIDE+2]=
- src[2*FDEC_STRIDE+0]= ( l2 + l3 + 1 ) >> 1;
- src[1*FDEC_STRIDE+3]=
- src[2*FDEC_STRIDE+1]= ( l2 + 2 * l3 + l3 + 2 ) >> 2;
- src[2*FDEC_STRIDE+3]=
- src[3*FDEC_STRIDE+1]=
- src[3*FDEC_STRIDE+0]=
- src[2*FDEC_STRIDE+2]=
- src[3*FDEC_STRIDE+2]=
- src[3*FDEC_STRIDE+3]= l3;
- }
- /****************************************************************************
- * 8x8 prediction for intra luma block
- ****************************************************************************/
- #define SRC(x,y) src[(x)+(y)*FDEC_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(have_tl)
- const int l0 = ((have_tl || (i_neighbor&MB_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)
- UNUSED const int l7 = (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(have_tl)
- const int t0 = ((have_tl || (i_neighbor&MB_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)
- UNUSED const int t7 = ((i_neighbor&MB_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(i_neighbor&MB_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 += FDEC_STRIDE;
- }
- static void predict_8x8_dc_128( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_DC(0x80808080);
- }
- static void predict_8x8_dc_left( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_LEFT(0)
- const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
- PREDICT_8x8_DC(dc);
- }
- static void predict_8x8_dc_top( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_TOP(0)
- const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
- PREDICT_8x8_DC(dc);
- }
- static void predict_8x8_dc( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_LEFT(0)
- PREDICT_8x8_LOAD_TOP(0)
- 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 predict_8x8_h( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_LEFT(0)
- #define ROW(y) ((uint32_t*)(src+y*FDEC_STRIDE))[0] =
- ((uint32_t*)(src+y*FDEC_STRIDE))[1] = 0x01010101U * l##y
- ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
- #undef ROW
- }
- static void predict_8x8_v( uint8_t *src, int i_neighbor )
- {
- int y;
- PREDICT_8x8_LOAD_TOP(0);
- 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*FDEC_STRIDE) = *(uint64_t*)src;
- }
- static void predict_8x8_ddl( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_TOP(0)
- 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 predict_8x8_ddr( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_TOP(1)
- PREDICT_8x8_LOAD_LEFT(1)
- 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 predict_8x8_vr( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_TOP(1)
- PREDICT_8x8_LOAD_LEFT(1)
- 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 predict_8x8_hd( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_TOP(1)
- PREDICT_8x8_LOAD_LEFT(1)
- 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 predict_8x8_vl( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_TOP(0)
- 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 predict_8x8_hu( uint8_t *src, int i_neighbor )
- {
- PREDICT_8x8_LOAD_LEFT(0)
- 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;
- }
- /****************************************************************************
- * Exported functions:
- ****************************************************************************/
- void x264_predict_16x16_init( int cpu, x264_predict_t pf[7] )
- {
- pf[I_PRED_16x16_V ] = predict_16x16_v;
- pf[I_PRED_16x16_H ] = predict_16x16_h;
- pf[I_PRED_16x16_DC] = predict_16x16_dc;
- pf[I_PRED_16x16_P ] = predict_16x16_p;
- pf[I_PRED_16x16_DC_LEFT]= predict_16x16_dc_left;
- pf[I_PRED_16x16_DC_TOP ]= predict_16x16_dc_top;
- pf[I_PRED_16x16_DC_128 ]= predict_16x16_dc_128;
- #ifdef HAVE_MMXEXT
- if( cpu&X264_CPU_MMXEXT )
- {
- x264_predict_16x16_init_mmxext( pf );
- }
- #endif
- }
- void x264_predict_8x8c_init( int cpu, x264_predict_t pf[7] )
- {
- pf[I_PRED_CHROMA_V ] = predict_8x8c_v;
- pf[I_PRED_CHROMA_H ] = predict_8x8c_h;
- pf[I_PRED_CHROMA_DC] = predict_8x8c_dc;
- pf[I_PRED_CHROMA_P ] = predict_8x8c_p;
- pf[I_PRED_CHROMA_DC_LEFT]= predict_8x8c_dc_left;
- pf[I_PRED_CHROMA_DC_TOP ]= predict_8x8c_dc_top;
- pf[I_PRED_CHROMA_DC_128 ]= predict_8x8c_dc_128;
- #ifdef HAVE_MMXEXT
- if( cpu&X264_CPU_MMXEXT )
- {
- x264_predict_8x8c_init_mmxext( pf );
- }
- #endif
- }
- void x264_predict_8x8_init( int cpu, x264_predict8x8_t pf[12] )
- {
- pf[I_PRED_8x8_V] = predict_8x8_v;
- pf[I_PRED_8x8_H] = predict_8x8_h;
- pf[I_PRED_8x8_DC] = predict_8x8_dc;
- pf[I_PRED_8x8_DDL] = predict_8x8_ddl;
- pf[I_PRED_8x8_DDR] = predict_8x8_ddr;
- pf[I_PRED_8x8_VR] = predict_8x8_vr;
- pf[I_PRED_8x8_HD] = predict_8x8_hd;
- pf[I_PRED_8x8_VL] = predict_8x8_vl;
- pf[I_PRED_8x8_HU] = predict_8x8_hu;
- pf[I_PRED_8x8_DC_LEFT]= predict_8x8_dc_left;
- pf[I_PRED_8x8_DC_TOP] = predict_8x8_dc_top;
- pf[I_PRED_8x8_DC_128] = predict_8x8_dc_128;
- #ifdef HAVE_MMXEXT
- if( cpu&X264_CPU_MMXEXT )
- {
- x264_predict_8x8_init_mmxext( pf );
- }
- #endif
- #ifdef HAVE_SSE2
- if( cpu&X264_CPU_SSE2 )
- {
- x264_predict_8x8_init_sse2( pf );
- }
- #endif
- }
- void x264_predict_4x4_init( int cpu, x264_predict_t pf[12] )
- {
- pf[I_PRED_4x4_V] = predict_4x4_v;
- pf[I_PRED_4x4_H] = predict_4x4_h;
- pf[I_PRED_4x4_DC] = predict_4x4_dc;
- pf[I_PRED_4x4_DDL] = predict_4x4_ddl;
- pf[I_PRED_4x4_DDR] = predict_4x4_ddr;
- pf[I_PRED_4x4_VR] = predict_4x4_vr;
- pf[I_PRED_4x4_HD] = predict_4x4_hd;
- pf[I_PRED_4x4_VL] = predict_4x4_vl;
- pf[I_PRED_4x4_HU] = predict_4x4_hu;
- pf[I_PRED_4x4_DC_LEFT]= predict_4x4_dc_left;
- pf[I_PRED_4x4_DC_TOP] = predict_4x4_dc_top;
- pf[I_PRED_4x4_DC_128] = predict_4x4_dc_128;
- #ifdef HAVE_MMXEXT
- if( cpu&X264_CPU_MMXEXT )
- {
- x264_predict_4x4_init_mmxext( pf );
- }
- #endif
- }