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175 lines
6.0 KiB
175 lines
6.0 KiB
/* |
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* Copyright (c) 2000, 2001 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <assert.h> |
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#include <stddef.h> |
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#include "bit_depth_template.c" |
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#define H264_CHROMA_MC(OPNAME, OP)\ |
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static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\ |
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{\ |
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pixel *dst = (pixel*)_dst;\ |
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pixel *src = (pixel*)_src;\ |
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const int A=(8-x)*(8-y);\ |
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const int B=( x)*(8-y);\ |
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const int C=(8-x)*( y);\ |
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const int D=( x)*( y);\ |
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int i;\ |
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stride /= sizeof(pixel);\ |
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\ |
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assert(x<8 && y<8 && x>=0 && y>=0);\ |
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\ |
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if(D){\ |
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for(i=0; i<h; i++){\ |
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OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ |
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OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\ |
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dst+= stride;\ |
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src+= stride;\ |
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}\ |
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} else if (B + C) {\ |
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const int E= B+C;\ |
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const ptrdiff_t step = C ? stride : 1;\ |
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for(i=0; i<h; i++){\ |
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OP(dst[0], (A*src[0] + E*src[step+0]));\ |
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OP(dst[1], (A*src[1] + E*src[step+1]));\ |
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dst+= stride;\ |
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src+= stride;\ |
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}\ |
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} else {\ |
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for ( i = 0; i < h; i++){\ |
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OP(dst[0], A * src[0]);\ |
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OP(dst[1], A * src[1]);\ |
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dst += stride;\ |
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src += stride;\ |
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}\ |
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}\ |
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}\ |
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\ |
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static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\ |
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{\ |
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pixel *dst = (pixel*)_dst;\ |
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pixel *src = (pixel*)_src;\ |
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const int A=(8-x)*(8-y);\ |
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const int B=( x)*(8-y);\ |
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const int C=(8-x)*( y);\ |
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const int D=( x)*( y);\ |
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int i;\ |
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stride /= sizeof(pixel);\ |
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\ |
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assert(x<8 && y<8 && x>=0 && y>=0);\ |
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\ |
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if(D){\ |
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for(i=0; i<h; i++){\ |
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OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ |
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OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\ |
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OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\ |
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OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\ |
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dst+= stride;\ |
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src+= stride;\ |
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}\ |
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} else if (B + C) {\ |
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const int E= B+C;\ |
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const ptrdiff_t step = C ? stride : 1;\ |
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for(i=0; i<h; i++){\ |
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OP(dst[0], (A*src[0] + E*src[step+0]));\ |
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OP(dst[1], (A*src[1] + E*src[step+1]));\ |
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OP(dst[2], (A*src[2] + E*src[step+2]));\ |
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OP(dst[3], (A*src[3] + E*src[step+3]));\ |
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dst+= stride;\ |
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src+= stride;\ |
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}\ |
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} else {\ |
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for ( i = 0; i < h; i++){\ |
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OP(dst[0], A * src[0]);\ |
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OP(dst[1], A * src[1]);\ |
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OP(dst[2], A * src[2]);\ |
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OP(dst[3], A * src[3]);\ |
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dst += stride;\ |
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src += stride;\ |
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}\ |
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}\ |
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}\ |
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\ |
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static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst /*align 8*/, uint8_t *_src /*align 1*/, ptrdiff_t stride, int h, int x, int y)\ |
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{\ |
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pixel *dst = (pixel*)_dst;\ |
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pixel *src = (pixel*)_src;\ |
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const int A=(8-x)*(8-y);\ |
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const int B=( x)*(8-y);\ |
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const int C=(8-x)*( y);\ |
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const int D=( x)*( y);\ |
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int i;\ |
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stride /= sizeof(pixel);\ |
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\ |
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assert(x<8 && y<8 && x>=0 && y>=0);\ |
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\ |
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if(D){\ |
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for(i=0; i<h; i++){\ |
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OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\ |
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OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\ |
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OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\ |
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OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\ |
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OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5]));\ |
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OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6]));\ |
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OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7]));\ |
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OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8]));\ |
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dst+= stride;\ |
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src+= stride;\ |
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}\ |
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} else if (B + C) {\ |
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const int E= B+C;\ |
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const ptrdiff_t step = C ? stride : 1;\ |
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for(i=0; i<h; i++){\ |
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OP(dst[0], (A*src[0] + E*src[step+0]));\ |
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OP(dst[1], (A*src[1] + E*src[step+1]));\ |
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OP(dst[2], (A*src[2] + E*src[step+2]));\ |
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OP(dst[3], (A*src[3] + E*src[step+3]));\ |
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OP(dst[4], (A*src[4] + E*src[step+4]));\ |
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OP(dst[5], (A*src[5] + E*src[step+5]));\ |
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OP(dst[6], (A*src[6] + E*src[step+6]));\ |
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OP(dst[7], (A*src[7] + E*src[step+7]));\ |
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dst+= stride;\ |
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src+= stride;\ |
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}\ |
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} else {\ |
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for ( i = 0; i < h; i++){\ |
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OP(dst[0], A * src[0]);\ |
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OP(dst[1], A * src[1]);\ |
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OP(dst[2], A * src[2]);\ |
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OP(dst[3], A * src[3]);\ |
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OP(dst[4], A * src[4]);\ |
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OP(dst[5], A * src[5]);\ |
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OP(dst[6], A * src[6]);\ |
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OP(dst[7], A * src[7]);\ |
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dst += stride;\ |
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src += stride;\ |
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}\ |
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}\ |
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} |
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#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1) |
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#define op_put(a, b) a = (((b) + 32)>>6) |
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H264_CHROMA_MC(put_ , op_put) |
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H264_CHROMA_MC(avg_ , op_avg) |
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#undef op_avg |
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#undef op_put
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