ffmpeg / libavcodec / vc1dsp.c @ 12802ec0
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/*
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* VC-1 and WMV3 decoder - DSP functions
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* Copyright (c) 2006 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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/**
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* @file
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* VC-1 and WMV3 decoder
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*
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*/
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#include "vc1dsp.h" |
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/** Apply overlap transform to horizontal edge
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*/
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static void vc1_v_overlap_c(uint8_t* src, int stride) |
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{ |
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int i;
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int a, b, c, d;
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int d1, d2;
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int rnd = 1; |
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for(i = 0; i < 8; i++) { |
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a = src[-2*stride];
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b = src[-stride]; |
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c = src[0];
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d = src[stride]; |
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d1 = (a - d + 3 + rnd) >> 3; |
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d2 = (a - d + b - c + 4 - rnd) >> 3; |
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src[-2*stride] = a - d1;
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src[-stride] = av_clip_uint8(b - d2); |
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src[0] = av_clip_uint8(c + d2);
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src[stride] = d + d1; |
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src++; |
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rnd = !rnd; |
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} |
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} |
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/** Apply overlap transform to vertical edge
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*/
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static void vc1_h_overlap_c(uint8_t* src, int stride) |
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{ |
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int i;
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int a, b, c, d;
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int d1, d2;
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int rnd = 1; |
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for(i = 0; i < 8; i++) { |
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a = src[-2];
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b = src[-1];
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c = src[0];
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d = src[1];
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d1 = (a - d + 3 + rnd) >> 3; |
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d2 = (a - d + b - c + 4 - rnd) >> 3; |
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src[-2] = a - d1;
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src[-1] = av_clip_uint8(b - d2);
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src[0] = av_clip_uint8(c + d2);
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src[1] = d + d1;
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src += stride; |
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rnd = !rnd; |
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} |
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} |
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/**
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* VC-1 in-loop deblocking filter for one line
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* @param src source block type
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* @param stride block stride
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* @param pq block quantizer
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* @return whether other 3 pairs should be filtered or not
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* @see 8.6
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*/
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static av_always_inline int vc1_filter_line(uint8_t* src, int stride, int pq){ |
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; |
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int a0 = (2*(src[-2*stride] - src[ 1*stride]) - 5*(src[-1*stride] - src[ 0*stride]) + 4) >> 3; |
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int a0_sign = a0 >> 31; /* Store sign */ |
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a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */
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if(a0 < pq){
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int a1 = FFABS((2*(src[-4*stride] - src[-1*stride]) - 5*(src[-3*stride] - src[-2*stride]) + 4) >> 3); |
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int a2 = FFABS((2*(src[ 0*stride] - src[ 3*stride]) - 5*(src[ 1*stride] - src[ 2*stride]) + 4) >> 3); |
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if(a1 < a0 || a2 < a0){
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int clip = src[-1*stride] - src[ 0*stride]; |
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int clip_sign = clip >> 31; |
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clip = ((clip ^ clip_sign) - clip_sign)>>1;
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if(clip){
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int a3 = FFMIN(a1, a2);
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int d = 5 * (a3 - a0); |
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int d_sign = (d >> 31); |
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d = ((d ^ d_sign) - d_sign) >> 3;
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d_sign ^= a0_sign; |
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if( d_sign ^ clip_sign )
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d = 0;
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else{
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d = FFMIN(d, clip); |
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d = (d ^ d_sign) - d_sign; /* Restore sign */
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src[-1*stride] = cm[src[-1*stride] - d]; |
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src[ 0*stride] = cm[src[ 0*stride] + d]; |
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} |
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return 1; |
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} |
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} |
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} |
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return 0; |
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} |
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/**
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* VC-1 in-loop deblocking filter
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* @param src source block type
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* @param step distance between horizontally adjacent elements
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* @param stride distance between vertically adjacent elements
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* @param len edge length to filter (4 or 8 pixels)
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* @param pq block quantizer
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* @see 8.6
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*/
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static inline void vc1_loop_filter(uint8_t* src, int step, int stride, int len, int pq) |
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{ |
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int i;
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int filt3;
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for(i = 0; i < len; i += 4){ |
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filt3 = vc1_filter_line(src + 2*step, stride, pq);
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if(filt3){
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vc1_filter_line(src + 0*step, stride, pq);
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vc1_filter_line(src + 1*step, stride, pq);
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vc1_filter_line(src + 3*step, stride, pq);
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} |
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src += step * 4;
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} |
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} |
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static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq) |
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{ |
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vc1_loop_filter(src, 1, stride, 4, pq); |
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} |
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static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq) |
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{ |
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vc1_loop_filter(src, stride, 1, 4, pq); |
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} |
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static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq) |
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{ |
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vc1_loop_filter(src, 1, stride, 8, pq); |
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} |
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static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq) |
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{ |
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vc1_loop_filter(src, stride, 1, 8, pq); |
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} |
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static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq) |
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{ |
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vc1_loop_filter(src, 1, stride, 16, pq); |
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} |
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static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq) |
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{ |
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vc1_loop_filter(src, stride, 1, 16, pq); |
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} |
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/** Do inverse transform on 8x8 block
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*/
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static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
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int dc = block[0]; |
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const uint8_t *cm;
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dc = (3 * dc + 1) >> 1; |
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dc = (3 * dc + 16) >> 5; |
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cm = ff_cropTbl + MAX_NEG_CROP + dc; |
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for(i = 0; i < 8; i++){ |
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dest[0] = cm[dest[0]]; |
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dest[1] = cm[dest[1]]; |
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dest[2] = cm[dest[2]]; |
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dest[3] = cm[dest[3]]; |
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dest[4] = cm[dest[4]]; |
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dest[5] = cm[dest[5]]; |
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dest[6] = cm[dest[6]]; |
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dest[7] = cm[dest[7]]; |
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dest += linesize; |
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} |
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} |
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static void vc1_inv_trans_8x8_c(DCTELEM block[64]) |
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{ |
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int i;
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register int t1,t2,t3,t4,t5,t6,t7,t8; |
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DCTELEM *src, *dst, temp[64];
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src = block; |
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dst = temp; |
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for(i = 0; i < 8; i++){ |
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t1 = 12 * (src[ 0] + src[32]) + 4; |
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t2 = 12 * (src[ 0] - src[32]) + 4; |
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t3 = 16 * src[16] + 6 * src[48]; |
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t4 = 6 * src[16] - 16 * src[48]; |
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t5 = t1 + t3; |
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t6 = t2 + t4; |
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t7 = t2 - t4; |
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t8 = t1 - t3; |
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t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; |
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t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; |
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t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; |
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t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; |
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dst[0] = (t5 + t1) >> 3; |
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dst[1] = (t6 + t2) >> 3; |
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dst[2] = (t7 + t3) >> 3; |
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dst[3] = (t8 + t4) >> 3; |
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dst[4] = (t8 - t4) >> 3; |
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dst[5] = (t7 - t3) >> 3; |
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dst[6] = (t6 - t2) >> 3; |
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dst[7] = (t5 - t1) >> 3; |
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src += 1;
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dst += 8;
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} |
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src = temp; |
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dst = block; |
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for(i = 0; i < 8; i++){ |
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t1 = 12 * (src[ 0] + src[32]) + 64; |
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t2 = 12 * (src[ 0] - src[32]) + 64; |
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t3 = 16 * src[16] + 6 * src[48]; |
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t4 = 6 * src[16] - 16 * src[48]; |
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t5 = t1 + t3; |
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t6 = t2 + t4; |
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t7 = t2 - t4; |
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t8 = t1 - t3; |
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t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; |
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t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; |
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t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; |
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t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; |
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dst[ 0] = (t5 + t1) >> 7; |
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dst[ 8] = (t6 + t2) >> 7; |
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dst[16] = (t7 + t3) >> 7; |
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dst[24] = (t8 + t4) >> 7; |
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dst[32] = (t8 - t4 + 1) >> 7; |
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dst[40] = (t7 - t3 + 1) >> 7; |
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dst[48] = (t6 - t2 + 1) >> 7; |
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dst[56] = (t5 - t1 + 1) >> 7; |
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src++; |
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dst++; |
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} |
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} |
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/** Do inverse transform on 8x4 part of block
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*/
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static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
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int dc = block[0]; |
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const uint8_t *cm;
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dc = ( 3 * dc + 1) >> 1; |
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dc = (17 * dc + 64) >> 7; |
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cm = ff_cropTbl + MAX_NEG_CROP + dc; |
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for(i = 0; i < 4; i++){ |
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dest[0] = cm[dest[0]]; |
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dest[1] = cm[dest[1]]; |
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dest[2] = cm[dest[2]]; |
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dest[3] = cm[dest[3]]; |
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dest[4] = cm[dest[4]]; |
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dest[5] = cm[dest[5]]; |
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dest[6] = cm[dest[6]]; |
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dest[7] = cm[dest[7]]; |
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dest += linesize; |
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} |
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} |
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static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
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register int t1,t2,t3,t4,t5,t6,t7,t8; |
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DCTELEM *src, *dst; |
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const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
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src = block; |
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dst = block; |
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for(i = 0; i < 4; i++){ |
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t1 = 12 * (src[0] + src[4]) + 4; |
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t2 = 12 * (src[0] - src[4]) + 4; |
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t3 = 16 * src[2] + 6 * src[6]; |
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t4 = 6 * src[2] - 16 * src[6]; |
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t5 = t1 + t3; |
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t6 = t2 + t4; |
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t7 = t2 - t4; |
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t8 = t1 - t3; |
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t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7]; |
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t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7]; |
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t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7]; |
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t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7]; |
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dst[0] = (t5 + t1) >> 3; |
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dst[1] = (t6 + t2) >> 3; |
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dst[2] = (t7 + t3) >> 3; |
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dst[3] = (t8 + t4) >> 3; |
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dst[4] = (t8 - t4) >> 3; |
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dst[5] = (t7 - t3) >> 3; |
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dst[6] = (t6 - t2) >> 3; |
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dst[7] = (t5 - t1) >> 3; |
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src += 8;
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dst += 8;
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} |
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src = block; |
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for(i = 0; i < 8; i++){ |
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t1 = 17 * (src[ 0] + src[16]) + 64; |
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t2 = 17 * (src[ 0] - src[16]) + 64; |
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t3 = 22 * src[ 8] + 10 * src[24]; |
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t4 = 22 * src[24] - 10 * src[ 8]; |
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dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; |
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dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; |
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dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; |
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dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; |
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src ++; |
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dest++; |
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} |
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} |
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/** Do inverse transform on 4x8 parts of block
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*/
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static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
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int dc = block[0]; |
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const uint8_t *cm;
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dc = (17 * dc + 4) >> 3; |
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dc = (12 * dc + 64) >> 7; |
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cm = ff_cropTbl + MAX_NEG_CROP + dc; |
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for(i = 0; i < 8; i++){ |
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dest[0] = cm[dest[0]]; |
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dest[1] = cm[dest[1]]; |
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dest[2] = cm[dest[2]]; |
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dest[3] = cm[dest[3]]; |
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dest += linesize; |
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} |
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} |
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static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
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register int t1,t2,t3,t4,t5,t6,t7,t8; |
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DCTELEM *src, *dst; |
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const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
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src = block; |
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dst = block; |
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for(i = 0; i < 8; i++){ |
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t1 = 17 * (src[0] + src[2]) + 4; |
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t2 = 17 * (src[0] - src[2]) + 4; |
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t3 = 22 * src[1] + 10 * src[3]; |
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t4 = 22 * src[3] - 10 * src[1]; |
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|
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dst[0] = (t1 + t3) >> 3; |
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dst[1] = (t2 - t4) >> 3; |
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dst[2] = (t2 + t4) >> 3; |
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dst[3] = (t1 - t3) >> 3; |
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src += 8;
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dst += 8;
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} |
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src = block; |
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for(i = 0; i < 4; i++){ |
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t1 = 12 * (src[ 0] + src[32]) + 64; |
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t2 = 12 * (src[ 0] - src[32]) + 64; |
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t3 = 16 * src[16] + 6 * src[48]; |
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t4 = 6 * src[16] - 16 * src[48]; |
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|
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t5 = t1 + t3; |
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t6 = t2 + t4; |
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t7 = t2 - t4; |
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t8 = t1 - t3; |
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|
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t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56]; |
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t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56]; |
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t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56]; |
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t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56]; |
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|
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dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1) >> 7)]; |
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dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)]; |
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dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)]; |
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dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)]; |
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dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)]; |
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dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)]; |
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dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)]; |
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dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)]; |
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|
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src ++; |
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dest++; |
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} |
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} |
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|
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/** Do inverse transform on 4x4 part of block
|
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*/
|
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static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
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int dc = block[0]; |
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const uint8_t *cm;
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dc = (17 * dc + 4) >> 3; |
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dc = (17 * dc + 64) >> 7; |
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cm = ff_cropTbl + MAX_NEG_CROP + dc; |
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for(i = 0; i < 4; i++){ |
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dest[0] = cm[dest[0]]; |
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dest[1] = cm[dest[1]]; |
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dest[2] = cm[dest[2]]; |
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dest[3] = cm[dest[3]]; |
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dest += linesize; |
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} |
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} |
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|
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static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block) |
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{ |
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int i;
|
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register int t1,t2,t3,t4; |
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DCTELEM *src, *dst; |
447 |
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
|
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|
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src = block; |
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dst = block; |
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for(i = 0; i < 4; i++){ |
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t1 = 17 * (src[0] + src[2]) + 4; |
453 |
t2 = 17 * (src[0] - src[2]) + 4; |
454 |
t3 = 22 * src[1] + 10 * src[3]; |
455 |
t4 = 22 * src[3] - 10 * src[1]; |
456 |
|
457 |
dst[0] = (t1 + t3) >> 3; |
458 |
dst[1] = (t2 - t4) >> 3; |
459 |
dst[2] = (t2 + t4) >> 3; |
460 |
dst[3] = (t1 - t3) >> 3; |
461 |
|
462 |
src += 8;
|
463 |
dst += 8;
|
464 |
} |
465 |
|
466 |
src = block; |
467 |
for(i = 0; i < 4; i++){ |
468 |
t1 = 17 * (src[ 0] + src[16]) + 64; |
469 |
t2 = 17 * (src[ 0] - src[16]) + 64; |
470 |
t3 = 22 * src[ 8] + 10 * src[24]; |
471 |
t4 = 22 * src[24] - 10 * src[ 8]; |
472 |
|
473 |
dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3) >> 7)]; |
474 |
dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)]; |
475 |
dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)]; |
476 |
dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)]; |
477 |
|
478 |
src ++; |
479 |
dest++; |
480 |
} |
481 |
} |
482 |
|
483 |
/* motion compensation functions */
|
484 |
/** Filter in case of 2 filters */
|
485 |
#define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
|
486 |
static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \ |
487 |
{ \ |
488 |
switch(mode){ \
|
489 |
case 0: /* no shift - should not occur */ \ |
490 |
return 0; \ |
491 |
case 1: /* 1/4 shift */ \ |
492 |
return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \ |
493 |
case 2: /* 1/2 shift */ \ |
494 |
return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \ |
495 |
case 3: /* 3/4 shift */ \ |
496 |
return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \ |
497 |
} \ |
498 |
return 0; /* should not occur */ \ |
499 |
} |
500 |
|
501 |
VC1_MSPEL_FILTER_16B(ver, uint8_t); |
502 |
VC1_MSPEL_FILTER_16B(hor, int16_t); |
503 |
|
504 |
|
505 |
/** Filter used to interpolate fractional pel values
|
506 |
*/
|
507 |
static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r) |
508 |
{ |
509 |
switch(mode){
|
510 |
case 0: //no shift |
511 |
return src[0]; |
512 |
case 1: // 1/4 shift |
513 |
return (-4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2] + 32 - r) >> 6; |
514 |
case 2: // 1/2 shift |
515 |
return (-src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2] + 8 - r) >> 4; |
516 |
case 3: // 3/4 shift |
517 |
return (-3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2] + 32 - r) >> 6; |
518 |
} |
519 |
return 0; //should not occur |
520 |
} |
521 |
|
522 |
/** Function used to do motion compensation with bicubic interpolation
|
523 |
*/
|
524 |
#define VC1_MSPEL_MC(OP, OPNAME)\
|
525 |
static void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\ |
526 |
{\ |
527 |
int i, j;\
|
528 |
\ |
529 |
if (vmode) { /* Horizontal filter to apply */\ |
530 |
int r;\
|
531 |
\ |
532 |
if (hmode) { /* Vertical filter to apply, output to tmp */\ |
533 |
static const int shift_value[] = { 0, 5, 1, 5 };\ |
534 |
int shift = (shift_value[hmode]+shift_value[vmode])>>1;\ |
535 |
int16_t tmp[11*8], *tptr = tmp;\ |
536 |
\ |
537 |
r = (1<<(shift-1)) + rnd-1;\ |
538 |
\ |
539 |
src -= 1;\
|
540 |
for(j = 0; j < 8; j++) {\ |
541 |
for(i = 0; i < 11; i++)\ |
542 |
tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\ |
543 |
src += stride;\ |
544 |
tptr += 11;\
|
545 |
}\ |
546 |
\ |
547 |
r = 64-rnd;\
|
548 |
tptr = tmp+1;\
|
549 |
for(j = 0; j < 8; j++) {\ |
550 |
for(i = 0; i < 8; i++)\ |
551 |
OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\ |
552 |
dst += stride;\ |
553 |
tptr += 11;\
|
554 |
}\ |
555 |
\ |
556 |
return;\
|
557 |
}\ |
558 |
else { /* No horizontal filter, output 8 lines to dst */\ |
559 |
r = 1-rnd;\
|
560 |
\ |
561 |
for(j = 0; j < 8; j++) {\ |
562 |
for(i = 0; i < 8; i++)\ |
563 |
OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\ |
564 |
src += stride;\ |
565 |
dst += stride;\ |
566 |
}\ |
567 |
return;\
|
568 |
}\ |
569 |
}\ |
570 |
\ |
571 |
/* Horizontal mode with no vertical mode */\
|
572 |
for(j = 0; j < 8; j++) {\ |
573 |
for(i = 0; i < 8; i++)\ |
574 |
OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\
|
575 |
dst += stride;\ |
576 |
src += stride;\ |
577 |
}\ |
578 |
} |
579 |
|
580 |
#define op_put(a, b) a = av_clip_uint8(b)
|
581 |
#define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1 |
582 |
|
583 |
VC1_MSPEL_MC(op_put, put_) |
584 |
VC1_MSPEL_MC(op_avg, avg_) |
585 |
|
586 |
/* pixel functions - really are entry points to vc1_mspel_mc */
|
587 |
|
588 |
#define PUT_VC1_MSPEL(a, b)\
|
589 |
static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \ |
590 |
put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ |
591 |
}\ |
592 |
static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \ |
593 |
avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \ |
594 |
} |
595 |
|
596 |
PUT_VC1_MSPEL(1, 0) |
597 |
PUT_VC1_MSPEL(2, 0) |
598 |
PUT_VC1_MSPEL(3, 0) |
599 |
|
600 |
PUT_VC1_MSPEL(0, 1) |
601 |
PUT_VC1_MSPEL(1, 1) |
602 |
PUT_VC1_MSPEL(2, 1) |
603 |
PUT_VC1_MSPEL(3, 1) |
604 |
|
605 |
PUT_VC1_MSPEL(0, 2) |
606 |
PUT_VC1_MSPEL(1, 2) |
607 |
PUT_VC1_MSPEL(2, 2) |
608 |
PUT_VC1_MSPEL(3, 2) |
609 |
|
610 |
PUT_VC1_MSPEL(0, 3) |
611 |
PUT_VC1_MSPEL(1, 3) |
612 |
PUT_VC1_MSPEL(2, 3) |
613 |
PUT_VC1_MSPEL(3, 3) |
614 |
|
615 |
static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){ |
616 |
const int A=(8-x)*(8-y); |
617 |
const int B=( x)*(8-y); |
618 |
const int C=(8-x)*( y); |
619 |
const int D=( x)*( y); |
620 |
int i;
|
621 |
|
622 |
assert(x<8 && y<8 && x>=0 && y>=0); |
623 |
|
624 |
for(i=0; i<h; i++) |
625 |
{ |
626 |
dst[0] = (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6; |
627 |
dst[1] = (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6; |
628 |
dst[2] = (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6; |
629 |
dst[3] = (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6; |
630 |
dst[4] = (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6; |
631 |
dst[5] = (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6; |
632 |
dst[6] = (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6; |
633 |
dst[7] = (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6; |
634 |
dst+= stride; |
635 |
src+= stride; |
636 |
} |
637 |
} |
638 |
|
639 |
#define avg2(a,b) ((a+b+1)>>1) |
640 |
static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){ |
641 |
const int A=(8-x)*(8-y); |
642 |
const int B=( x)*(8-y); |
643 |
const int C=(8-x)*( y); |
644 |
const int D=( x)*( y); |
645 |
int i;
|
646 |
|
647 |
assert(x<8 && y<8 && x>=0 && y>=0); |
648 |
|
649 |
for(i=0; i<h; i++) |
650 |
{ |
651 |
dst[0] = avg2(dst[0], ((A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6)); |
652 |
dst[1] = avg2(dst[1], ((A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6)); |
653 |
dst[2] = avg2(dst[2], ((A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6)); |
654 |
dst[3] = avg2(dst[3], ((A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6)); |
655 |
dst[4] = avg2(dst[4], ((A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6)); |
656 |
dst[5] = avg2(dst[5], ((A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6)); |
657 |
dst[6] = avg2(dst[6], ((A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6)); |
658 |
dst[7] = avg2(dst[7], ((A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6)); |
659 |
dst+= stride; |
660 |
src+= stride; |
661 |
} |
662 |
} |
663 |
|
664 |
av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) {
|
665 |
dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c; |
666 |
dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c; |
667 |
dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c; |
668 |
dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c; |
669 |
dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_c; |
670 |
dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_c; |
671 |
dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_c; |
672 |
dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_c; |
673 |
dsp->vc1_h_overlap = vc1_h_overlap_c; |
674 |
dsp->vc1_v_overlap = vc1_v_overlap_c; |
675 |
dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c; |
676 |
dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c; |
677 |
dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c; |
678 |
dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c; |
679 |
dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c; |
680 |
dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c; |
681 |
|
682 |
dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_pixels8x8_c;
|
683 |
dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c;
|
684 |
dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c;
|
685 |
dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c;
|
686 |
dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c;
|
687 |
dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c;
|
688 |
dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c;
|
689 |
dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c;
|
690 |
dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c;
|
691 |
dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c;
|
692 |
dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c;
|
693 |
dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c;
|
694 |
dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c;
|
695 |
dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;
|
696 |
dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
|
697 |
dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
|
698 |
|
699 |
dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_pixels8x8_c;
|
700 |
dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c;
|
701 |
dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c;
|
702 |
dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c;
|
703 |
dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c;
|
704 |
dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c;
|
705 |
dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c;
|
706 |
dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c;
|
707 |
dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c;
|
708 |
dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c;
|
709 |
dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c;
|
710 |
dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c;
|
711 |
dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c;
|
712 |
dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c;
|
713 |
dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c;
|
714 |
dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c;
|
715 |
|
716 |
dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c;
|
717 |
dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c;
|
718 |
|
719 |
if (HAVE_ALTIVEC)
|
720 |
ff_vc1dsp_init_altivec(dsp); |
721 |
if (HAVE_MMX)
|
722 |
ff_vc1dsp_init_mmx(dsp); |
723 |
} |