summaryrefslogtreecommitdiff
path: root/contrib/ffmpeg/libavcodec/vc1dsp.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/ffmpeg/libavcodec/vc1dsp.c')
-rw-r--r--contrib/ffmpeg/libavcodec/vc1dsp.c459
1 files changed, 0 insertions, 459 deletions
diff --git a/contrib/ffmpeg/libavcodec/vc1dsp.c b/contrib/ffmpeg/libavcodec/vc1dsp.c
deleted file mode 100644
index 8a1a83411..000000000
--- a/contrib/ffmpeg/libavcodec/vc1dsp.c
+++ /dev/null
@@ -1,459 +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]) + 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;
- 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_c(uint8_t *dest, int linesize, DCTELEM *block)
-{
- int i;
- register int t1,t2,t3,t4,t5,t6,t7,t8;
- DCTELEM *src, *dst;
- const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-
- 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] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];
- dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];
- dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];
- dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3) >> 7)];
-
- src ++;
- dest++;
- }
-}
-
-/** Do inverse transform on 4x8 parts of block
-*/
-static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block)
-{
- int i;
- register int t1,t2,t3,t4,t5,t6,t7,t8;
- DCTELEM *src, *dst;
- const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-
- 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] = cm[dest[0*linesize] + ((t5 + t1) >> 7)];
- dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2) >> 7)];
- dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3) >> 7)];
- dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4) >> 7)];
- dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 1) >> 7)];
- dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 1) >> 7)];
- dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 1) >> 7)];
- dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 1) >> 7)];
-
- src ++;
- dest++;
- }
-}
-
-/** Do inverse transform on 4x4 part of block
-*/
-static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block)
-{
- int i;
- register int t1,t2,t3,t4;
- DCTELEM *src, *dst;
- const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
-
- 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] = cm[dest[0*linesize] + ((t1 + t3) >> 7)];
- dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4) >> 7)];
- dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4) >> 7)];
- dest[3*linesize] = cm[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
- */
-static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int 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++)
- dst[i] = av_clip_uint8((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++)
- dst[i] = av_clip_uint8(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++)
- dst[i] = av_clip_uint8(vc1_mspel_filter(src + i, 1, hmode, rnd));
- dst += stride;
- src += stride;
- }
-}
-
-/* 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);
-
-#define PUT_VC1_MSPEL(a, b)\
-static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
- 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)
-
-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] = 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-01 18:10:20 +0000