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-rw-r--r--contrib/ffmpeg/libavcodec/vc1dsp.c463
1 files changed, 0 insertions, 463 deletions
diff --git a/contrib/ffmpeg/libavcodec/vc1dsp.c b/contrib/ffmpeg/libavcodec/vc1dsp.c
deleted file mode 100644
index 6102c0960..000000000
--- a/contrib/ffmpeg/libavcodec/vc1dsp.c
+++ /dev/null
@@ -1,463 +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 vc1dsp.c
- * VC-1 and WMV3 decoder
- *
- */
-
-#include "dsputil.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] = b - d2;
- src[0] = 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] = b - d2;
- src[0] = c + d2;
- src[1] = d + d1;
- src += stride;
- rnd = !rnd;
- }
-}
-
-
-/** Do inverse transform on 8x8 block
-*/
-static void vc1_inv_trans_8x8_c(DCTELEM block[64])
-{
- int i;
- register int t1,t2,t3,t4,t5,t6,t7,t8;
- DCTELEM *src, *dst;
-
- src = block;
- dst = block;
- for(i = 0; i < 8; i++){
- t1 = 12 * (src[0] + src[4]);
- t2 = 12 * (src[0] - src[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 + 4) >> 3;
- dst[1] = (t6 + t2 + 4) >> 3;
- dst[2] = (t7 + t3 + 4) >> 3;
- dst[3] = (t8 + t4 + 4) >> 3;
- dst[4] = (t8 - t4 + 4) >> 3;
- dst[5] = (t7 - t3 + 4) >> 3;
- dst[6] = (t6 - t2 + 4) >> 3;
- dst[7] = (t5 - t1 + 4) >> 3;
-
- src += 8;
- dst += 8;
- }
-
- src = block;
- dst = block;
- for(i = 0; i < 8; i++){
- t1 = 12 * (src[ 0] + src[32]);
- t2 = 12 * (src[ 0] - src[32]);
- 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 + 64) >> 7;
- dst[ 8] = (t6 + t2 + 64) >> 7;
- dst[16] = (t7 + t3 + 64) >> 7;
- dst[24] = (t8 + t4 + 64) >> 7;
- dst[32] = (t8 - t4 + 64 + 1) >> 7;
- dst[40] = (t7 - t3 + 64 + 1) >> 7;
- dst[48] = (t6 - t2 + 64 + 1) >> 7;
- dst[56] = (t5 - t1 + 64 + 1) >> 7;
-
- src++;
- dst++;
- }
-}
-
-/** Do inverse transform on 8x4 part of block
-*/
-static void vc1_inv_trans_8x4_c(DCTELEM block[64], int n)
-{
- int i;
- register int t1,t2,t3,t4,t5,t6,t7,t8;
- DCTELEM *src, *dst;
- int off;
-
- off = n * 32;
- src = block + off;
- dst = block + off;
- for(i = 0; i < 4; i++){
- t1 = 12 * (src[0] + src[4]);
- t2 = 12 * (src[0] - src[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 + 4) >> 3;
- dst[1] = (t6 + t2 + 4) >> 3;
- dst[2] = (t7 + t3 + 4) >> 3;
- dst[3] = (t8 + t4 + 4) >> 3;
- dst[4] = (t8 - t4 + 4) >> 3;
- dst[5] = (t7 - t3 + 4) >> 3;
- dst[6] = (t6 - t2 + 4) >> 3;
- dst[7] = (t5 - t1 + 4) >> 3;
-
- src += 8;
- dst += 8;
- }
-
- src = block + off;
- dst = block + off;
- for(i = 0; i < 8; i++){
- t1 = 17 * (src[ 0] + src[16]);
- t2 = 17 * (src[ 0] - src[16]);
- t3 = 22 * src[ 8];
- t4 = 22 * src[24];
- t5 = 10 * src[ 8];
- t6 = 10 * src[24];
-
- dst[ 0] = (t1 + t3 + t6 + 64) >> 7;
- dst[ 8] = (t2 - t4 + t5 + 64) >> 7;
- dst[16] = (t2 + t4 - t5 + 64) >> 7;
- dst[24] = (t1 - t3 - t6 + 64) >> 7;
-
- src ++;
- dst ++;
- }
-}
-
-/** Do inverse transform on 4x8 parts of block
-*/
-static void vc1_inv_trans_4x8_c(DCTELEM block[64], int n)
-{
- int i;
- register int t1,t2,t3,t4,t5,t6,t7,t8;
- DCTELEM *src, *dst;
- int off;
-
- off = n * 4;
- src = block + off;
- dst = block + off;
- for(i = 0; i < 8; i++){
- t1 = 17 * (src[0] + src[2]);
- t2 = 17 * (src[0] - src[2]);
- t3 = 22 * src[1];
- t4 = 22 * src[3];
- t5 = 10 * src[1];
- t6 = 10 * src[3];
-
- dst[0] = (t1 + t3 + t6 + 4) >> 3;
- dst[1] = (t2 - t4 + t5 + 4) >> 3;
- dst[2] = (t2 + t4 - t5 + 4) >> 3;
- dst[3] = (t1 - t3 - t6 + 4) >> 3;
-
- src += 8;
- dst += 8;
- }
-
- src = block + off;
- dst = block + off;
- for(i = 0; i < 4; i++){
- t1 = 12 * (src[ 0] + src[32]);
- t2 = 12 * (src[ 0] - src[32]);
- 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 + 64) >> 7;
- dst[ 8] = (t6 + t2 + 64) >> 7;
- dst[16] = (t7 + t3 + 64) >> 7;
- dst[24] = (t8 + t4 + 64) >> 7;
- dst[32] = (t8 - t4 + 64 + 1) >> 7;
- dst[40] = (t7 - t3 + 64 + 1) >> 7;
- dst[48] = (t6 - t2 + 64 + 1) >> 7;
- dst[56] = (t5 - t1 + 64 + 1) >> 7;
-
- src++;
- dst++;
- }
-}
-
-/** Do inverse transform on 4x4 part of block
-*/
-static void vc1_inv_trans_4x4_c(DCTELEM block[64], int n)
-{
- int i;
- register int t1,t2,t3,t4,t5,t6;
- DCTELEM *src, *dst;
- int off;
-
- off = (n&1) * 4 + (n&2) * 16;
- src = block + off;
- dst = block + off;
- for(i = 0; i < 4; i++){
- t1 = 17 * (src[0] + src[2]);
- t2 = 17 * (src[0] - src[2]);
- t3 = 22 * src[1];
- t4 = 22 * src[3];
- t5 = 10 * src[1];
- t6 = 10 * src[3];
-
- dst[0] = (t1 + t3 + t6 + 4) >> 3;
- dst[1] = (t2 - t4 + t5 + 4) >> 3;
- dst[2] = (t2 + t4 - t5 + 4) >> 3;
- dst[3] = (t1 - t3 - t6 + 4) >> 3;
-
- src += 8;
- dst += 8;
- }
-
- src = block + off;
- dst = block + off;
- for(i = 0; i < 4; i++){
- t1 = 17 * (src[ 0] + src[16]);
- t2 = 17 * (src[ 0] - src[16]);
- t3 = 22 * src[ 8];
- t4 = 22 * src[24];
- t5 = 10 * src[ 8];
- t6 = 10 * src[24];
-
- dst[ 0] = (t1 + t3 + t6 + 64) >> 7;
- dst[ 8] = (t2 - t4 + t5 + 64) >> 7;
- dst[16] = (t2 + t4 - t5 + 64) >> 7;
- dst[24] = (t1 - t3 - t6 + 64) >> 7;
-
- src ++;
- dst ++;
- }
-}
-
-/* motion compensation functions */
-
-/** 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
- */
-static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int mode, int rnd)
-{
- int i, j;
- uint8_t tmp[8*11], *tptr;
- int m, r;
-
- m = (mode & 3);
- r = rnd;
- src -= stride;
- tptr = tmp;
- for(j = 0; j < 11; j++) {
- for(i = 0; i < 8; i++)
- tptr[i] = av_clip_uint8(vc1_mspel_filter(src + i, 1, m, r));
- src += stride;
- tptr += 8;
- }
- r = 1 - rnd;
- m = (mode >> 2) & 3;
-
- tptr = tmp + 8;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = av_clip_uint8(vc1_mspel_filter(tptr + i, 8, m, r));
- dst += stride;
- tptr += 8;
- }
-}
-
-/* pixel functions - really are entry points to vc1_mspel_mc */
-
-/* this one is defined in dsputil.c */
-void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
-
-static void ff_put_vc1_mspel_mc10_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x1, rnd);
-}
-
-static void ff_put_vc1_mspel_mc20_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x2, rnd);
-}
-
-static void ff_put_vc1_mspel_mc30_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x3, rnd);
-}
-
-static void ff_put_vc1_mspel_mc01_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x4, rnd);
-}
-
-static void ff_put_vc1_mspel_mc11_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x5, rnd);
-}
-
-static void ff_put_vc1_mspel_mc21_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x6, rnd);
-}
-
-static void ff_put_vc1_mspel_mc31_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x7, rnd);
-}
-
-static void ff_put_vc1_mspel_mc02_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x8, rnd);
-}
-
-static void ff_put_vc1_mspel_mc12_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0x9, rnd);
-}
-
-static void ff_put_vc1_mspel_mc22_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xA, rnd);
-}
-
-static void ff_put_vc1_mspel_mc32_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xB, rnd);
-}
-
-static void ff_put_vc1_mspel_mc03_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xC, rnd);
-}
-
-static void ff_put_vc1_mspel_mc13_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xD, rnd);
-}
-
-static void ff_put_vc1_mspel_mc23_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xE, rnd);
-}
-
-static void ff_put_vc1_mspel_mc33_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) {
- vc1_mspel_mc(dst, src, stride, 0xF, rnd);
-}
-
-void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) {
- 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_h_overlap = vc1_h_overlap_c;
- dsp->vc1_v_overlap = vc1_v_overlap_c;
-
- dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_c;
- dsp->put_vc1_mspel_pixels_tab[ 1] = ff_put_vc1_mspel_mc10_c;
- dsp->put_vc1_mspel_pixels_tab[ 2] = ff_put_vc1_mspel_mc20_c;
- dsp->put_vc1_mspel_pixels_tab[ 3] = ff_put_vc1_mspel_mc30_c;
- dsp->put_vc1_mspel_pixels_tab[ 4] = ff_put_vc1_mspel_mc01_c;
- dsp->put_vc1_mspel_pixels_tab[ 5] = ff_put_vc1_mspel_mc11_c;
- dsp->put_vc1_mspel_pixels_tab[ 6] = ff_put_vc1_mspel_mc21_c;
- dsp->put_vc1_mspel_pixels_tab[ 7] = ff_put_vc1_mspel_mc31_c;
- dsp->put_vc1_mspel_pixels_tab[ 8] = ff_put_vc1_mspel_mc02_c;
- dsp->put_vc1_mspel_pixels_tab[ 9] = ff_put_vc1_mspel_mc12_c;
- dsp->put_vc1_mspel_pixels_tab[10] = ff_put_vc1_mspel_mc22_c;
- dsp->put_vc1_mspel_pixels_tab[11] = ff_put_vc1_mspel_mc32_c;
- dsp->put_vc1_mspel_pixels_tab[12] = ff_put_vc1_mspel_mc03_c;
- dsp->put_vc1_mspel_pixels_tab[13] = ff_put_vc1_mspel_mc13_c;
- dsp->put_vc1_mspel_pixels_tab[14] = ff_put_vc1_mspel_mc23_c;
- dsp->put_vc1_mspel_pixels_tab[15] = ff_put_vc1_mspel_mc33_c;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 09:00:58 +0000