forked from KolibriOS/kolibrios
896 lines
30 KiB
C
896 lines
30 KiB
C
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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 "libavutil/avassert.h"
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#include "libavutil/common.h"
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#include "h264chroma.h"
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#include "rnd_avg.h"
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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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static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
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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 rnd1 = 4, rnd2 = 3;
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for(i = 0; i < 8; i++) {
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a = top[48];
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b = top[56];
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c = bottom[0];
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d = bottom[8];
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d1 = a - d;
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d2 = a - d + b - c;
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top[48] = ((a << 3) - d1 + rnd1) >> 3;
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top[56] = ((b << 3) - d2 + rnd2) >> 3;
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bottom[0] = ((c << 3) + d2 + rnd1) >> 3;
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bottom[8] = ((d << 3) + d1 + rnd2) >> 3;
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bottom++;
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top++;
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rnd2 = 7 - rnd2;
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rnd1 = 7 - rnd1;
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}
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}
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static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
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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 rnd1 = 4, rnd2 = 3;
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for(i = 0; i < 8; i++) {
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a = left[6];
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b = left[7];
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c = right[0];
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d = right[1];
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d1 = a - d;
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d2 = a - d + b - c;
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left[6] = ((a << 3) - d1 + rnd1) >> 3;
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left[7] = ((b << 3) - d2 + rnd2) >> 3;
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right[0] = ((c << 3) + d2 + rnd1) >> 3;
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right[1] = ((d << 3) + d1 + rnd2) >> 3;
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right += 8;
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left += 8;
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rnd2 = 7 - rnd2;
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rnd1 = 7 - rnd1;
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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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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] = av_clip_uint8(src[-1*stride] - d);
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src[ 0*stride] = av_clip_uint8(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, int16_t *block)
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{
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int i;
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int dc = block[0];
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dc = (3 * dc + 1) >> 1;
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dc = (3 * dc + 16) >> 5;
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for(i = 0; i < 8; i++){
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dest[0] = av_clip_uint8(dest[0] + dc);
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dest[1] = av_clip_uint8(dest[1] + dc);
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dest[2] = av_clip_uint8(dest[2] + dc);
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dest[3] = av_clip_uint8(dest[3] + dc);
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dest[4] = av_clip_uint8(dest[4] + dc);
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dest[5] = av_clip_uint8(dest[5] + dc);
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dest[6] = av_clip_uint8(dest[6] + dc);
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dest[7] = av_clip_uint8(dest[7] + dc);
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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(int16_t 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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int16_t *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, int16_t *block)
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{
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int i;
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int dc = block[0];
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dc = ( 3 * dc + 1) >> 1;
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dc = (17 * dc + 64) >> 7;
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for(i = 0; i < 4; i++){
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dest[0] = av_clip_uint8(dest[0] + dc);
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dest[1] = av_clip_uint8(dest[1] + dc);
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dest[2] = av_clip_uint8(dest[2] + dc);
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dest[3] = av_clip_uint8(dest[3] + dc);
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dest[4] = av_clip_uint8(dest[4] + dc);
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dest[5] = av_clip_uint8(dest[5] + dc);
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dest[6] = av_clip_uint8(dest[6] + dc);
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dest[7] = av_clip_uint8(dest[7] + dc);
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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, int16_t *block)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
register int t1,t2,t3,t4,t5,t6,t7,t8;
|
||
|
|
int16_t *src, *dst;
|
||
|
|
|
||
|
|
src = block;
|
||
|
|
dst = block;
|
||
|
|
for(i = 0; i < 4; i++){
|
||
|
|
t1 = 12 * (src[0] + src[4]) + 4;
|
||
|
|
t2 = 12 * (src[0] - src[4]) + 4;
|
||
|
|
t3 = 16 * src[2] + 6 * src[6];
|
||
|
|
t4 = 6 * src[2] - 16 * src[6];
|
||
|
|
|
||
|
|
t5 = t1 + t3;
|
||
|
|
t6 = t2 + t4;
|
||
|
|
t7 = t2 - t4;
|
||
|
|
t8 = t1 - t3;
|
||
|
|
|
||
|
|
t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7];
|
||
|
|
t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7];
|
||
|
|
t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7];
|
||
|
|
t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7];
|
||
|
|
|
||
|
|
dst[0] = (t5 + t1) >> 3;
|
||
|
|
dst[1] = (t6 + t2) >> 3;
|
||
|
|
dst[2] = (t7 + t3) >> 3;
|
||
|
|
dst[3] = (t8 + t4) >> 3;
|
||
|
|
dst[4] = (t8 - t4) >> 3;
|
||
|
|
dst[5] = (t7 - t3) >> 3;
|
||
|
|
dst[6] = (t6 - t2) >> 3;
|
||
|
|
dst[7] = (t5 - t1) >> 3;
|
||
|
|
|
||
|
|
src += 8;
|
||
|
|
dst += 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
src = block;
|
||
|
|
for(i = 0; i < 8; i++){
|
||
|
|
t1 = 17 * (src[ 0] + src[16]) + 64;
|
||
|
|
t2 = 17 * (src[ 0] - src[16]) + 64;
|
||
|
|
t3 = 22 * src[ 8] + 10 * src[24];
|
||
|
|
t4 = 22 * src[24] - 10 * src[ 8];
|
||
|
|
|
||
|
|
dest[0*linesize] = av_clip_uint8(dest[0*linesize] + ((t1 + t3) >> 7));
|
||
|
|
dest[1*linesize] = av_clip_uint8(dest[1*linesize] + ((t2 - t4) >> 7));
|
||
|
|
dest[2*linesize] = av_clip_uint8(dest[2*linesize] + ((t2 + t4) >> 7));
|
||
|
|
dest[3*linesize] = av_clip_uint8(dest[3*linesize] + ((t1 - t3) >> 7));
|
||
|
|
|
||
|
|
src ++;
|
||
|
|
dest++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Do inverse transform on 4x8 parts of block
|
||
|
|
*/
|
||
|
|
static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
int dc = block[0];
|
||
|
|
dc = (17 * dc + 4) >> 3;
|
||
|
|
dc = (12 * dc + 64) >> 7;
|
||
|
|
for(i = 0; i < 8; i++){
|
||
|
|
dest[0] = av_clip_uint8(dest[0] + dc);
|
||
|
|
dest[1] = av_clip_uint8(dest[1] + dc);
|
||
|
|
dest[2] = av_clip_uint8(dest[2] + dc);
|
||
|
|
dest[3] = av_clip_uint8(dest[3] + dc);
|
||
|
|
dest += linesize;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, int16_t *block)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
register int t1,t2,t3,t4,t5,t6,t7,t8;
|
||
|
|
int16_t *src, *dst;
|
||
|
|
|
||
|
|
src = block;
|
||
|
|
dst = block;
|
||
|
|
for(i = 0; i < 8; i++){
|
||
|
|
t1 = 17 * (src[0] + src[2]) + 4;
|
||
|
|
t2 = 17 * (src[0] - src[2]) + 4;
|
||
|
|
t3 = 22 * src[1] + 10 * src[3];
|
||
|
|
t4 = 22 * src[3] - 10 * src[1];
|
||
|
|
|
||
|
|
dst[0] = (t1 + t3) >> 3;
|
||
|
|
dst[1] = (t2 - t4) >> 3;
|
||
|
|
dst[2] = (t2 + t4) >> 3;
|
||
|
|
dst[3] = (t1 - t3) >> 3;
|
||
|
|
|
||
|
|
src += 8;
|
||
|
|
dst += 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
src = block;
|
||
|
|
for(i = 0; i < 4; i++){
|
||
|
|
t1 = 12 * (src[ 0] + src[32]) + 64;
|
||
|
|
t2 = 12 * (src[ 0] - src[32]) + 64;
|
||
|
|
t3 = 16 * src[16] + 6 * src[48];
|
||
|
|
t4 = 6 * src[16] - 16 * src[48];
|
||
|
|
|
||
|
|
t5 = t1 + t3;
|
||
|
|
t6 = t2 + t4;
|
||
|
|
t7 = t2 - t4;
|
||
|
|
t8 = t1 - t3;
|
||
|
|
|
||
|
|
t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
|
||
|
|
t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
|
||
|
|
t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
|
||
|
|
t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
|
||
|
|
|
||
|
|
dest[0*linesize] = av_clip_uint8(dest[0*linesize] + ((t5 + t1) >> 7));
|
||
|
|
dest[1*linesize] = av_clip_uint8(dest[1*linesize] + ((t6 + t2) >> 7));
|
||
|
|
dest[2*linesize] = av_clip_uint8(dest[2*linesize] + ((t7 + t3) >> 7));
|
||
|
|
dest[3*linesize] = av_clip_uint8(dest[3*linesize] + ((t8 + t4) >> 7));
|
||
|
|
dest[4*linesize] = av_clip_uint8(dest[4*linesize] + ((t8 - t4 + 1) >> 7));
|
||
|
|
dest[5*linesize] = av_clip_uint8(dest[5*linesize] + ((t7 - t3 + 1) >> 7));
|
||
|
|
dest[6*linesize] = av_clip_uint8(dest[6*linesize] + ((t6 - t2 + 1) >> 7));
|
||
|
|
dest[7*linesize] = av_clip_uint8(dest[7*linesize] + ((t5 - t1 + 1) >> 7));
|
||
|
|
|
||
|
|
src ++;
|
||
|
|
dest++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Do inverse transform on 4x4 part of block
|
||
|
|
*/
|
||
|
|
static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
int dc = block[0];
|
||
|
|
dc = (17 * dc + 4) >> 3;
|
||
|
|
dc = (17 * dc + 64) >> 7;
|
||
|
|
for(i = 0; i < 4; i++){
|
||
|
|
dest[0] = av_clip_uint8(dest[0] + dc);
|
||
|
|
dest[1] = av_clip_uint8(dest[1] + dc);
|
||
|
|
dest[2] = av_clip_uint8(dest[2] + dc);
|
||
|
|
dest[3] = av_clip_uint8(dest[3] + dc);
|
||
|
|
dest += linesize;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, int16_t *block)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
register int t1,t2,t3,t4;
|
||
|
|
int16_t *src, *dst;
|
||
|
|
|
||
|
|
src = block;
|
||
|
|
dst = block;
|
||
|
|
for(i = 0; i < 4; i++){
|
||
|
|
t1 = 17 * (src[0] + src[2]) + 4;
|
||
|
|
t2 = 17 * (src[0] - src[2]) + 4;
|
||
|
|
t3 = 22 * src[1] + 10 * src[3];
|
||
|
|
t4 = 22 * src[3] - 10 * src[1];
|
||
|
|
|
||
|
|
dst[0] = (t1 + t3) >> 3;
|
||
|
|
dst[1] = (t2 - t4) >> 3;
|
||
|
|
dst[2] = (t2 + t4) >> 3;
|
||
|
|
dst[3] = (t1 - t3) >> 3;
|
||
|
|
|
||
|
|
src += 8;
|
||
|
|
dst += 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
src = block;
|
||
|
|
for(i = 0; i < 4; i++){
|
||
|
|
t1 = 17 * (src[ 0] + src[16]) + 64;
|
||
|
|
t2 = 17 * (src[ 0] - src[16]) + 64;
|
||
|
|
t3 = 22 * src[ 8] + 10 * src[24];
|
||
|
|
t4 = 22 * src[24] - 10 * src[ 8];
|
||
|
|
|
||
|
|
dest[0*linesize] = av_clip_uint8(dest[0*linesize] + ((t1 + t3) >> 7));
|
||
|
|
dest[1*linesize] = av_clip_uint8(dest[1*linesize] + ((t2 - t4) >> 7));
|
||
|
|
dest[2*linesize] = av_clip_uint8(dest[2*linesize] + ((t2 + t4) >> 7));
|
||
|
|
dest[3*linesize] = av_clip_uint8(dest[3*linesize] + ((t1 - t3) >> 7));
|
||
|
|
|
||
|
|
src ++;
|
||
|
|
dest++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* motion compensation functions */
|
||
|
|
/** Filter in case of 2 filters */
|
||
|
|
#define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
|
||
|
|
static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, int stride, int mode) \
|
||
|
|
{ \
|
||
|
|
switch(mode){ \
|
||
|
|
case 0: /* no shift - should not occur */ \
|
||
|
|
return 0; \
|
||
|
|
case 1: /* 1/4 shift */ \
|
||
|
|
return -4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2]; \
|
||
|
|
case 2: /* 1/2 shift */ \
|
||
|
|
return -src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2]; \
|
||
|
|
case 3: /* 3/4 shift */ \
|
||
|
|
return -3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2]; \
|
||
|
|
} \
|
||
|
|
return 0; /* should not occur */ \
|
||
|
|
}
|
||
|
|
|
||
|
|
VC1_MSPEL_FILTER_16B(ver, uint8_t)
|
||
|
|
VC1_MSPEL_FILTER_16B(hor, int16_t)
|
||
|
|
|
||
|
|
|
||
|
|
/** Filter used to interpolate fractional pel values
|
||
|
|
*/
|
||
|
|
static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
|
||
|
|
{
|
||
|
|
switch(mode){
|
||
|
|
case 0: //no shift
|
||
|
|
return src[0];
|
||
|
|
case 1: // 1/4 shift
|
||
|
|
return (-4*src[-stride] + 53*src[0] + 18*src[stride] - 3*src[stride*2] + 32 - r) >> 6;
|
||
|
|
case 2: // 1/2 shift
|
||
|
|
return (-src[-stride] + 9*src[0] + 9*src[stride] - src[stride*2] + 8 - r) >> 4;
|
||
|
|
case 3: // 3/4 shift
|
||
|
|
return (-3*src[-stride] + 18*src[0] + 53*src[stride] - 4*src[stride*2] + 32 - r) >> 6;
|
||
|
|
}
|
||
|
|
return 0; //should not occur
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Function used to do motion compensation with bicubic interpolation
|
||
|
|
*/
|
||
|
|
#define VC1_MSPEL_MC(OP, OP4, OPNAME)\
|
||
|
|
static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int hmode, int vmode, int rnd)\
|
||
|
|
{\
|
||
|
|
int i, j;\
|
||
|
|
\
|
||
|
|
if (vmode) { /* Horizontal filter to apply */\
|
||
|
|
int r;\
|
||
|
|
\
|
||
|
|
if (hmode) { /* Vertical filter to apply, output to tmp */\
|
||
|
|
static const int shift_value[] = { 0, 5, 1, 5 };\
|
||
|
|
int shift = (shift_value[hmode]+shift_value[vmode])>>1;\
|
||
|
|
int16_t tmp[11*8], *tptr = tmp;\
|
||
|
|
\
|
||
|
|
r = (1<<(shift-1)) + rnd-1;\
|
||
|
|
\
|
||
|
|
src -= 1;\
|
||
|
|
for(j = 0; j < 8; j++) {\
|
||
|
|
for(i = 0; i < 11; i++)\
|
||
|
|
tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\
|
||
|
|
src += stride;\
|
||
|
|
tptr += 11;\
|
||
|
|
}\
|
||
|
|
\
|
||
|
|
r = 64-rnd;\
|
||
|
|
tptr = tmp+1;\
|
||
|
|
for(j = 0; j < 8; j++) {\
|
||
|
|
for(i = 0; i < 8; i++)\
|
||
|
|
OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\
|
||
|
|
dst += stride;\
|
||
|
|
tptr += 11;\
|
||
|
|
}\
|
||
|
|
\
|
||
|
|
return;\
|
||
|
|
}\
|
||
|
|
else { /* No horizontal filter, output 8 lines to dst */\
|
||
|
|
r = 1-rnd;\
|
||
|
|
\
|
||
|
|
for(j = 0; j < 8; j++) {\
|
||
|
|
for(i = 0; i < 8; i++)\
|
||
|
|
OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\
|
||
|
|
src += stride;\
|
||
|
|
dst += stride;\
|
||
|
|
}\
|
||
|
|
return;\
|
||
|
|
}\
|
||
|
|
}\
|
||
|
|
\
|
||
|
|
/* Horizontal mode with no vertical mode */\
|
||
|
|
for(j = 0; j < 8; j++) {\
|
||
|
|
for(i = 0; i < 8; i++)\
|
||
|
|
OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\
|
||
|
|
dst += stride;\
|
||
|
|
src += stride;\
|
||
|
|
}\
|
||
|
|
}\
|
||
|
|
static void OPNAME ## pixels8x8_c(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int rnd){\
|
||
|
|
int i;\
|
||
|
|
for(i=0; i<8; i++){\
|
||
|
|
OP4(*(uint32_t*)(block ), AV_RN32(pixels ));\
|
||
|
|
OP4(*(uint32_t*)(block+4), AV_RN32(pixels+4));\
|
||
|
|
pixels+=line_size;\
|
||
|
|
block +=line_size;\
|
||
|
|
}\
|
||
|
|
}
|
||
|
|
|
||
|
|
#define op_put(a, b) a = av_clip_uint8(b)
|
||
|
|
#define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1
|
||
|
|
#define op4_avg(a, b) a = rnd_avg32(a, b)
|
||
|
|
#define op4_put(a, b) a = b
|
||
|
|
|
||
|
|
VC1_MSPEL_MC(op_put, op4_put, put_)
|
||
|
|
VC1_MSPEL_MC(op_avg, op4_avg, avg_)
|
||
|
|
|
||
|
|
/* pixel functions - really are entry points to vc1_mspel_mc */
|
||
|
|
|
||
|
|
#define PUT_VC1_MSPEL(a, b)\
|
||
|
|
static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, \
|
||
|
|
const uint8_t *src, \
|
||
|
|
ptrdiff_t stride, int rnd) \
|
||
|
|
{ \
|
||
|
|
put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
|
||
|
|
} \
|
||
|
|
static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, \
|
||
|
|
const uint8_t *src, \
|
||
|
|
ptrdiff_t stride, int rnd) \
|
||
|
|
{ \
|
||
|
|
avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
|
||
|
|
}
|
||
|
|
|
||
|
|
PUT_VC1_MSPEL(1, 0)
|
||
|
|
PUT_VC1_MSPEL(2, 0)
|
||
|
|
PUT_VC1_MSPEL(3, 0)
|
||
|
|
|
||
|
|
PUT_VC1_MSPEL(0, 1)
|
||
|
|
PUT_VC1_MSPEL(1, 1)
|
||
|
|
PUT_VC1_MSPEL(2, 1)
|
||
|
|
PUT_VC1_MSPEL(3, 1)
|
||
|
|
|
||
|
|
PUT_VC1_MSPEL(0, 2)
|
||
|
|
PUT_VC1_MSPEL(1, 2)
|
||
|
|
PUT_VC1_MSPEL(2, 2)
|
||
|
|
PUT_VC1_MSPEL(3, 2)
|
||
|
|
|
||
|
|
PUT_VC1_MSPEL(0, 3)
|
||
|
|
PUT_VC1_MSPEL(1, 3)
|
||
|
|
PUT_VC1_MSPEL(2, 3)
|
||
|
|
PUT_VC1_MSPEL(3, 3)
|
||
|
|
|
||
|
|
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){
|
||
|
|
const int A=(8-x)*(8-y);
|
||
|
|
const int B=( x)*(8-y);
|
||
|
|
const int C=(8-x)*( y);
|
||
|
|
const int D=( x)*( y);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
av_assert2(x<8 && y<8 && x>=0 && y>=0);
|
||
|
|
|
||
|
|
for(i=0; i<h; i++)
|
||
|
|
{
|
||
|
|
dst[0] = (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6;
|
||
|
|
dst[1] = (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6;
|
||
|
|
dst[2] = (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6;
|
||
|
|
dst[3] = (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6;
|
||
|
|
dst[4] = (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6;
|
||
|
|
dst[5] = (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6;
|
||
|
|
dst[6] = (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6;
|
||
|
|
dst[7] = (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6;
|
||
|
|
dst+= stride;
|
||
|
|
src+= stride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y){
|
||
|
|
const int A=(8-x)*(8-y);
|
||
|
|
const int B=( x)*(8-y);
|
||
|
|
const int C=(8-x)*( y);
|
||
|
|
const int D=( x)*( y);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
av_assert2(x<8 && y<8 && x>=0 && y>=0);
|
||
|
|
|
||
|
|
for(i=0; i<h; i++)
|
||
|
|
{
|
||
|
|
dst[0] = (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6;
|
||
|
|
dst[1] = (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6;
|
||
|
|
dst[2] = (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6;
|
||
|
|
dst[3] = (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6;
|
||
|
|
dst+= stride;
|
||
|
|
src+= stride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define avg2(a,b) ((a+b+1)>>1)
|
||
|
|
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){
|
||
|
|
const int A=(8-x)*(8-y);
|
||
|
|
const int B=( x)*(8-y);
|
||
|
|
const int C=(8-x)*( y);
|
||
|
|
const int D=( x)*( y);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
av_assert2(x<8 && y<8 && x>=0 && y>=0);
|
||
|
|
|
||
|
|
for(i=0; i<h; i++)
|
||
|
|
{
|
||
|
|
dst[0] = avg2(dst[0], ((A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6));
|
||
|
|
dst[1] = avg2(dst[1], ((A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6));
|
||
|
|
dst[2] = avg2(dst[2], ((A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6));
|
||
|
|
dst[3] = avg2(dst[3], ((A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6));
|
||
|
|
dst[4] = avg2(dst[4], ((A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6));
|
||
|
|
dst[5] = avg2(dst[5], ((A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6));
|
||
|
|
dst[6] = avg2(dst[6], ((A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6));
|
||
|
|
dst[7] = avg2(dst[7], ((A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6));
|
||
|
|
dst+= stride;
|
||
|
|
src+= stride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){
|
||
|
|
const int A=(8-x)*(8-y);
|
||
|
|
const int B=( x)*(8-y);
|
||
|
|
const int C=(8-x)*( y);
|
||
|
|
const int D=( x)*( y);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
av_assert2(x<8 && y<8 && x>=0 && y>=0);
|
||
|
|
|
||
|
|
for(i=0; i<h; i++)
|
||
|
|
{
|
||
|
|
dst[0] = avg2(dst[0], ((A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6));
|
||
|
|
dst[1] = avg2(dst[1], ((A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6));
|
||
|
|
dst[2] = avg2(dst[2], ((A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6));
|
||
|
|
dst[3] = avg2(dst[3], ((A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6));
|
||
|
|
dst+= stride;
|
||
|
|
src+= stride;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
|
||
|
|
|
||
|
|
static void sprite_h_c(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
|
||
|
|
{
|
||
|
|
while (count--) {
|
||
|
|
int a = src[(offset >> 16) ];
|
||
|
|
int b = src[(offset >> 16) + 1];
|
||
|
|
*dst++ = a + ((b - a) * (offset&0xFFFF) >> 16);
|
||
|
|
offset += advance;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static av_always_inline void sprite_v_template(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
|
||
|
|
int two_sprites, const uint8_t *src2a, const uint8_t *src2b, int offset2,
|
||
|
|
int alpha, int scaled, int width)
|
||
|
|
{
|
||
|
|
int a1, b1, a2, b2;
|
||
|
|
while (width--) {
|
||
|
|
a1 = *src1a++;
|
||
|
|
if (scaled) {
|
||
|
|
b1 = *src1b++;
|
||
|
|
a1 = a1 + ((b1 - a1) * offset1 >> 16);
|
||
|
|
}
|
||
|
|
if (two_sprites) {
|
||
|
|
a2 = *src2a++;
|
||
|
|
if (scaled > 1) {
|
||
|
|
b2 = *src2b++;
|
||
|
|
a2 = a2 + ((b2 - a2) * offset2 >> 16);
|
||
|
|
}
|
||
|
|
a1 = a1 + ((a2 - a1) * alpha >> 16);
|
||
|
|
}
|
||
|
|
*dst++ = a1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void sprite_v_single_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width)
|
||
|
|
{
|
||
|
|
sprite_v_template(dst, src1a, src1b, offset, 0, NULL, NULL, 0, 0, 1, width);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void sprite_v_double_noscale_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width)
|
||
|
|
{
|
||
|
|
sprite_v_template(dst, src1a, NULL, 0, 1, src2a, NULL, 0, alpha, 0, width);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void sprite_v_double_onescale_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
|
||
|
|
const uint8_t *src2a, int alpha, int width)
|
||
|
|
{
|
||
|
|
sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, NULL, 0, alpha, 1, width);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void sprite_v_double_twoscale_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
|
||
|
|
const uint8_t *src2a, const uint8_t *src2b, int offset2,
|
||
|
|
int alpha, int width)
|
||
|
|
{
|
||
|
|
sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, src2b, offset2, alpha, 2, width);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) {
|
||
|
|
dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;
|
||
|
|
dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;
|
||
|
|
dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c;
|
||
|
|
dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c;
|
||
|
|
dsp->vc1_inv_trans_8x8_dc = vc1_inv_trans_8x8_dc_c;
|
||
|
|
dsp->vc1_inv_trans_4x8_dc = vc1_inv_trans_4x8_dc_c;
|
||
|
|
dsp->vc1_inv_trans_8x4_dc = vc1_inv_trans_8x4_dc_c;
|
||
|
|
dsp->vc1_inv_trans_4x4_dc = vc1_inv_trans_4x4_dc_c;
|
||
|
|
dsp->vc1_h_overlap = vc1_h_overlap_c;
|
||
|
|
dsp->vc1_v_overlap = vc1_v_overlap_c;
|
||
|
|
dsp->vc1_h_s_overlap = vc1_h_s_overlap_c;
|
||
|
|
dsp->vc1_v_s_overlap = vc1_v_s_overlap_c;
|
||
|
|
dsp->vc1_v_loop_filter4 = vc1_v_loop_filter4_c;
|
||
|
|
dsp->vc1_h_loop_filter4 = vc1_h_loop_filter4_c;
|
||
|
|
dsp->vc1_v_loop_filter8 = vc1_v_loop_filter8_c;
|
||
|
|
dsp->vc1_h_loop_filter8 = vc1_h_loop_filter8_c;
|
||
|
|
dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c;
|
||
|
|
dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c;
|
||
|
|
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 0] = put_pixels8x8_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
|
||
|
|
dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
|
||
|
|
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 0] = avg_pixels8x8_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c;
|
||
|
|
dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c;
|
||
|
|
|
||
|
|
dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c;
|
||
|
|
dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c;
|
||
|
|
dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = put_no_rnd_vc1_chroma_mc4_c;
|
||
|
|
dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = avg_no_rnd_vc1_chroma_mc4_c;
|
||
|
|
|
||
|
|
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
|
||
|
|
dsp->sprite_h = sprite_h_c;
|
||
|
|
dsp->sprite_v_single = sprite_v_single_c;
|
||
|
|
dsp->sprite_v_double_noscale = sprite_v_double_noscale_c;
|
||
|
|
dsp->sprite_v_double_onescale = sprite_v_double_onescale_c;
|
||
|
|
dsp->sprite_v_double_twoscale = sprite_v_double_twoscale_c;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (ARCH_PPC)
|
||
|
|
ff_vc1dsp_init_ppc(dsp);
|
||
|
|
if (ARCH_X86)
|
||
|
|
ff_vc1dsp_init_x86(dsp);
|
||
|
|
}
|