summaryrefslogtreecommitdiff
path: root/ffmpeg1/libavcodec/vc1dsp.c
diff options
context:
space:
mode:
Diffstat (limited to 'ffmpeg1/libavcodec/vc1dsp.c')
-rw-r--r--ffmpeg1/libavcodec/vc1dsp.c874
1 files changed, 0 insertions, 874 deletions
diff --git a/ffmpeg1/libavcodec/vc1dsp.c b/ffmpeg1/libavcodec/vc1dsp.c
deleted file mode 100644
index f66921a..0000000
--- a/ffmpeg1/libavcodec/vc1dsp.c
+++ /dev/null
@@ -1,874 +0,0 @@
-/*
- * VC-1 and WMV3 decoder - DSP functions
- * Copyright (c) 2006 Konstantin Shishkov
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
-* @file
- * VC-1 and WMV3 decoder
- *
- */
-
-#include "libavutil/avassert.h"
-#include "libavutil/common.h"
-#include "h264chroma.h"
-#include "rnd_avg.h"
-#include "vc1dsp.h"
-
-
-/** Apply overlap transform to horizontal edge
-*/
-static void vc1_v_overlap_c(uint8_t* src, int stride)
-{
- int i;
- int a, b, c, d;
- int d1, d2;
- int rnd = 1;
- for(i = 0; i < 8; i++) {
- a = src[-2*stride];
- b = src[-stride];
- c = src[0];
- d = src[stride];
- d1 = (a - d + 3 + rnd) >> 3;
- d2 = (a - d + b - c + 4 - rnd) >> 3;
-
- src[-2*stride] = a - d1;
- src[-stride] = av_clip_uint8(b - d2);
- src[0] = av_clip_uint8(c + d2);
- src[stride] = d + d1;
- src++;
- rnd = !rnd;
- }
-}
-
-/** Apply overlap transform to vertical edge
-*/
-static void vc1_h_overlap_c(uint8_t* src, int stride)
-{
- int i;
- int a, b, c, d;
- int d1, d2;
- int rnd = 1;
- for(i = 0; i < 8; i++) {
- a = src[-2];
- b = src[-1];
- c = src[0];
- d = src[1];
- d1 = (a - d + 3 + rnd) >> 3;
- d2 = (a - d + b - c + 4 - rnd) >> 3;
-
- src[-2] = a - d1;
- src[-1] = av_clip_uint8(b - d2);
- src[0] = av_clip_uint8(c + d2);
- src[1] = d + d1;
- src += stride;
- rnd = !rnd;
- }
-}
-
-static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
-{
- int i;
- int a, b, c, d;
- int d1, d2;
- int rnd1 = 4, rnd2 = 3;
- for(i = 0; i < 8; i++) {
- a = top[48];
- b = top[56];
- c = bottom[0];
- d = bottom[8];
- d1 = a - d;
- d2 = a - d + b - c;
-
- top[48] = ((a << 3) - d1 + rnd1) >> 3;
- top[56] = ((b << 3) - d2 + rnd2) >> 3;
- bottom[0] = ((c << 3) + d2 + rnd1) >> 3;
- bottom[8] = ((d << 3) + d1 + rnd2) >> 3;
-
- bottom++;
- top++;
- rnd2 = 7 - rnd2;
- rnd1 = 7 - rnd1;
- }
-}
-
-static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
-{
- int i;
- int a, b, c, d;
- int d1, d2;
- int rnd1 = 4, rnd2 = 3;
- for(i = 0; i < 8; i++) {
- a = left[6];
- b = left[7];
- c = right[0];
- d = right[1];
- d1 = a - d;
- d2 = a - d + b - c;
-
- left[6] = ((a << 3) - d1 + rnd1) >> 3;
- left[7] = ((b << 3) - d2 + rnd2) >> 3;
- right[0] = ((c << 3) + d2 + rnd1) >> 3;
- right[1] = ((d << 3) + d1 + rnd2) >> 3;
-
- right += 8;
- left += 8;
- rnd2 = 7 - rnd2;
- rnd1 = 7 - rnd1;
- }
-}
-
-/**
- * VC-1 in-loop deblocking filter for one line
- * @param src source block type
- * @param stride block stride
- * @param pq block quantizer
- * @return whether other 3 pairs should be filtered or not
- * @see 8.6
- */
-static av_always_inline int vc1_filter_line(uint8_t* src, int stride, int pq){
- int a0 = (2*(src[-2*stride] - src[ 1*stride]) - 5*(src[-1*stride] - src[ 0*stride]) + 4) >> 3;
- int a0_sign = a0 >> 31; /* Store sign */
- a0 = (a0 ^ a0_sign) - a0_sign; /* a0 = FFABS(a0); */
- if(a0 < pq){
- int a1 = FFABS((2*(src[-4*stride] - src[-1*stride]) - 5*(src[-3*stride] - src[-2*stride]) + 4) >> 3);
- int a2 = FFABS((2*(src[ 0*stride] - src[ 3*stride]) - 5*(src[ 1*stride] - src[ 2*stride]) + 4) >> 3);
- if(a1 < a0 || a2 < a0){
- int clip = src[-1*stride] - src[ 0*stride];
- int clip_sign = clip >> 31;
- clip = ((clip ^ clip_sign) - clip_sign)>>1;
- if(clip){
- int a3 = FFMIN(a1, a2);
- int d = 5 * (a3 - a0);
- int d_sign = (d >> 31);
- d = ((d ^ d_sign) - d_sign) >> 3;
- d_sign ^= a0_sign;
-
- if( d_sign ^ clip_sign )
- d = 0;
- else{
- d = FFMIN(d, clip);
- d = (d ^ d_sign) - d_sign; /* Restore sign */
- src[-1*stride] = av_clip_uint8(src[-1*stride] - d);
- src[ 0*stride] = av_clip_uint8(src[ 0*stride] + d);
- }
- return 1;
- }
- }
- }
- return 0;
-}
-
-/**
- * VC-1 in-loop deblocking filter
- * @param src source block type
- * @param step distance between horizontally adjacent elements
- * @param stride distance between vertically adjacent elements
- * @param len edge length to filter (4 or 8 pixels)
- * @param pq block quantizer
- * @see 8.6
- */
-static inline void vc1_loop_filter(uint8_t* src, int step, int stride, int len, int pq)
-{
- int i;
- int filt3;
-
- for(i = 0; i < len; i += 4){
- filt3 = vc1_filter_line(src + 2*step, stride, pq);
- if(filt3){
- vc1_filter_line(src + 0*step, stride, pq);
- vc1_filter_line(src + 1*step, stride, pq);
- vc1_filter_line(src + 3*step, stride, pq);
- }
- src += step * 4;
- }
-}
-
-static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
-{
- vc1_loop_filter(src, 1, stride, 4, pq);
-}
-
-static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
-{
- vc1_loop_filter(src, stride, 1, 4, pq);
-}
-
-static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
-{
- vc1_loop_filter(src, 1, stride, 8, pq);
-}
-
-static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
-{
- vc1_loop_filter(src, stride, 1, 8, pq);
-}
-
-static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
-{
- vc1_loop_filter(src, 1, stride, 16, pq);
-}
-
-static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
-{
- vc1_loop_filter(src, stride, 1, 16, pq);
-}
-
-/** Do inverse transform on 8x8 block
-*/
-static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
-{
- int i;
- int dc = block[0];
- dc = (3 * dc + 1) >> 1;
- dc = (3 * dc + 16) >> 5;
- 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[4] = av_clip_uint8(dest[4] + dc);
- dest[5] = av_clip_uint8(dest[5] + dc);
- dest[6] = av_clip_uint8(dest[6] + dc);
- dest[7] = av_clip_uint8(dest[7] + dc);
- dest += linesize;
- }
-}
-
-static void vc1_inv_trans_8x8_c(int16_t block[64])
-{
- int i;
- register int t1,t2,t3,t4,t5,t6,t7,t8;
- int16_t *src, *dst, temp[64];
-
- src = block;
- dst = temp;
- for(i = 0; i < 8; i++){
- t1 = 12 * (src[ 0] + src[32]) + 4;
- t2 = 12 * (src[ 0] - src[32]) + 4;
- 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];
-
- 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 += 1;
- dst += 8;
- }
-
- src = temp;
- dst = block;
- for(i = 0; i < 8; 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];
-
- dst[ 0] = (t5 + t1) >> 7;
- dst[ 8] = (t6 + t2) >> 7;
- dst[16] = (t7 + t3) >> 7;
- dst[24] = (t8 + t4) >> 7;
- dst[32] = (t8 - t4 + 1) >> 7;
- dst[40] = (t7 - t3 + 1) >> 7;
- dst[48] = (t6 - t2 + 1) >> 7;
- dst[56] = (t5 - t1 + 1) >> 7;
-
- src++;
- dst++;
- }
-}
-
-/** Do inverse transform on 8x4 part of block
-*/
-static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
-{
- int i;
- int dc = block[0];
- dc = ( 3 * dc + 1) >> 1;
- 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[4] = av_clip_uint8(dest[4] + dc);
- dest[5] = av_clip_uint8(dest[5] + dc);
- dest[6] = av_clip_uint8(dest[6] + dc);
- dest[7] = av_clip_uint8(dest[7] + dc);
- dest += linesize;
- }
-}
-
-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;
- }
-}
-
-#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;
-
-#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 (HAVE_ALTIVEC)
- ff_vc1dsp_init_altivec(dsp);
- if (ARCH_X86)
- ff_vc1dsp_init_x86(dsp);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 14:21:24 +0000