1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * Copyright (C) 2009 David Conrad 3cabdff1aSopenharmony_ci * 4cabdff1aSopenharmony_ci * This file is part of FFmpeg. 5cabdff1aSopenharmony_ci * 6cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 7cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 8cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 9cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 10cabdff1aSopenharmony_ci * 11cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 12cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 13cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14cabdff1aSopenharmony_ci * Lesser General Public License for more details. 15cabdff1aSopenharmony_ci * 16cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 17cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 18cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19cabdff1aSopenharmony_ci */ 20cabdff1aSopenharmony_ci 21cabdff1aSopenharmony_ci#include "config.h" 22cabdff1aSopenharmony_ci#include "libavutil/attributes.h" 23cabdff1aSopenharmony_ci#include "libavutil/common.h" 24cabdff1aSopenharmony_ci#include "diracdsp.h" 25cabdff1aSopenharmony_ci 26cabdff1aSopenharmony_ci#define FILTER(src, stride) \ 27cabdff1aSopenharmony_ci ((21*((src)[ 0*stride] + (src)[1*stride]) \ 28cabdff1aSopenharmony_ci -7*((src)[-1*stride] + (src)[2*stride]) \ 29cabdff1aSopenharmony_ci +3*((src)[-2*stride] + (src)[3*stride]) \ 30cabdff1aSopenharmony_ci -1*((src)[-3*stride] + (src)[4*stride]) + 16) >> 5) 31cabdff1aSopenharmony_ci 32cabdff1aSopenharmony_cistatic void dirac_hpel_filter(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, 33cabdff1aSopenharmony_ci int stride, int width, int height) 34cabdff1aSopenharmony_ci{ 35cabdff1aSopenharmony_ci int x, y; 36cabdff1aSopenharmony_ci 37cabdff1aSopenharmony_ci for (y = 0; y < height; y++) { 38cabdff1aSopenharmony_ci for (x = -3; x < width+5; x++) 39cabdff1aSopenharmony_ci dstv[x] = av_clip_uint8(FILTER(src+x, stride)); 40cabdff1aSopenharmony_ci 41cabdff1aSopenharmony_ci for (x = 0; x < width; x++) 42cabdff1aSopenharmony_ci dstc[x] = av_clip_uint8(FILTER(dstv+x, 1)); 43cabdff1aSopenharmony_ci 44cabdff1aSopenharmony_ci for (x = 0; x < width; x++) 45cabdff1aSopenharmony_ci dsth[x] = av_clip_uint8(FILTER(src+x, 1)); 46cabdff1aSopenharmony_ci 47cabdff1aSopenharmony_ci src += stride; 48cabdff1aSopenharmony_ci dsth += stride; 49cabdff1aSopenharmony_ci dstv += stride; 50cabdff1aSopenharmony_ci dstc += stride; 51cabdff1aSopenharmony_ci } 52cabdff1aSopenharmony_ci} 53cabdff1aSopenharmony_ci 54cabdff1aSopenharmony_ci#define PIXOP_BILINEAR(PFX, OP, WIDTH) \ 55cabdff1aSopenharmony_ci static void ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c(uint8_t *dst, const uint8_t *src[5], int stride, int h) \ 56cabdff1aSopenharmony_ci { \ 57cabdff1aSopenharmony_ci int x; \ 58cabdff1aSopenharmony_ci const uint8_t *s0 = src[0]; \ 59cabdff1aSopenharmony_ci const uint8_t *s1 = src[1]; \ 60cabdff1aSopenharmony_ci const uint8_t *s2 = src[2]; \ 61cabdff1aSopenharmony_ci const uint8_t *s3 = src[3]; \ 62cabdff1aSopenharmony_ci const uint8_t *w = src[4]; \ 63cabdff1aSopenharmony_ci \ 64cabdff1aSopenharmony_ci while (h--) { \ 65cabdff1aSopenharmony_ci for (x = 0; x < WIDTH; x++) { \ 66cabdff1aSopenharmony_ci OP(dst[x], (s0[x]*w[0] + s1[x]*w[1] + s2[x]*w[2] + s3[x]*w[3] + 8) >> 4); \ 67cabdff1aSopenharmony_ci } \ 68cabdff1aSopenharmony_ci \ 69cabdff1aSopenharmony_ci dst += stride; \ 70cabdff1aSopenharmony_ci s0 += stride; \ 71cabdff1aSopenharmony_ci s1 += stride; \ 72cabdff1aSopenharmony_ci s2 += stride; \ 73cabdff1aSopenharmony_ci s3 += stride; \ 74cabdff1aSopenharmony_ci } \ 75cabdff1aSopenharmony_ci } 76cabdff1aSopenharmony_ci 77cabdff1aSopenharmony_ci#define OP_PUT(dst, val) (dst) = (val) 78cabdff1aSopenharmony_ci#define OP_AVG(dst, val) (dst) = (((dst) + (val) + 1)>>1) 79cabdff1aSopenharmony_ci 80cabdff1aSopenharmony_ciPIXOP_BILINEAR(put, OP_PUT, 8) 81cabdff1aSopenharmony_ciPIXOP_BILINEAR(put, OP_PUT, 16) 82cabdff1aSopenharmony_ciPIXOP_BILINEAR(put, OP_PUT, 32) 83cabdff1aSopenharmony_ciPIXOP_BILINEAR(avg, OP_AVG, 8) 84cabdff1aSopenharmony_ciPIXOP_BILINEAR(avg, OP_AVG, 16) 85cabdff1aSopenharmony_ciPIXOP_BILINEAR(avg, OP_AVG, 32) 86cabdff1aSopenharmony_ci 87cabdff1aSopenharmony_ci#define op_scale1(x) block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom) 88cabdff1aSopenharmony_ci#define op_scale2(x) dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom) 89cabdff1aSopenharmony_ci 90cabdff1aSopenharmony_ci#define DIRAC_WEIGHT(W) \ 91cabdff1aSopenharmony_ci static void weight_dirac_pixels ## W ## _c(uint8_t *block, int stride, int log2_denom, \ 92cabdff1aSopenharmony_ci int weight, int h) { \ 93cabdff1aSopenharmony_ci int x; \ 94cabdff1aSopenharmony_ci while (h--) { \ 95cabdff1aSopenharmony_ci for (x = 0; x < W; x++) { \ 96cabdff1aSopenharmony_ci op_scale1(x); \ 97cabdff1aSopenharmony_ci op_scale1(x+1); \ 98cabdff1aSopenharmony_ci } \ 99cabdff1aSopenharmony_ci block += stride; \ 100cabdff1aSopenharmony_ci } \ 101cabdff1aSopenharmony_ci } \ 102cabdff1aSopenharmony_ci static void biweight_dirac_pixels ## W ## _c(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, \ 103cabdff1aSopenharmony_ci int weightd, int weights, int h) { \ 104cabdff1aSopenharmony_ci int x; \ 105cabdff1aSopenharmony_ci while (h--) { \ 106cabdff1aSopenharmony_ci for (x = 0; x < W; x++) { \ 107cabdff1aSopenharmony_ci op_scale2(x); \ 108cabdff1aSopenharmony_ci op_scale2(x+1); \ 109cabdff1aSopenharmony_ci } \ 110cabdff1aSopenharmony_ci dst += stride; \ 111cabdff1aSopenharmony_ci src += stride; \ 112cabdff1aSopenharmony_ci } \ 113cabdff1aSopenharmony_ci } 114cabdff1aSopenharmony_ci 115cabdff1aSopenharmony_ciDIRAC_WEIGHT(8) 116cabdff1aSopenharmony_ciDIRAC_WEIGHT(16) 117cabdff1aSopenharmony_ciDIRAC_WEIGHT(32) 118cabdff1aSopenharmony_ci 119cabdff1aSopenharmony_ci#define ADD_OBMC(xblen) \ 120cabdff1aSopenharmony_ci static void add_obmc ## xblen ## _c(uint16_t *dst, const uint8_t *src, int stride, \ 121cabdff1aSopenharmony_ci const uint8_t *obmc_weight, int yblen) \ 122cabdff1aSopenharmony_ci { \ 123cabdff1aSopenharmony_ci int x; \ 124cabdff1aSopenharmony_ci while (yblen--) { \ 125cabdff1aSopenharmony_ci for (x = 0; x < xblen; x += 2) { \ 126cabdff1aSopenharmony_ci dst[x ] += src[x ] * obmc_weight[x ]; \ 127cabdff1aSopenharmony_ci dst[x+1] += src[x+1] * obmc_weight[x+1]; \ 128cabdff1aSopenharmony_ci } \ 129cabdff1aSopenharmony_ci dst += stride; \ 130cabdff1aSopenharmony_ci src += stride; \ 131cabdff1aSopenharmony_ci obmc_weight += 32; \ 132cabdff1aSopenharmony_ci } \ 133cabdff1aSopenharmony_ci } 134cabdff1aSopenharmony_ci 135cabdff1aSopenharmony_ciADD_OBMC(8) 136cabdff1aSopenharmony_ciADD_OBMC(16) 137cabdff1aSopenharmony_ciADD_OBMC(32) 138cabdff1aSopenharmony_ci 139cabdff1aSopenharmony_cistatic void put_signed_rect_clamped_8bit_c(uint8_t *dst, int dst_stride, const uint8_t *_src, int src_stride, int width, int height) 140cabdff1aSopenharmony_ci{ 141cabdff1aSopenharmony_ci int x, y; 142cabdff1aSopenharmony_ci int16_t *src = (int16_t *)_src; 143cabdff1aSopenharmony_ci for (y = 0; y < height; y++) { 144cabdff1aSopenharmony_ci for (x = 0; x < width; x+=4) { 145cabdff1aSopenharmony_ci dst[x ] = av_clip_uint8(src[x ] + 128); 146cabdff1aSopenharmony_ci dst[x+1] = av_clip_uint8(src[x+1] + 128); 147cabdff1aSopenharmony_ci dst[x+2] = av_clip_uint8(src[x+2] + 128); 148cabdff1aSopenharmony_ci dst[x+3] = av_clip_uint8(src[x+3] + 128); 149cabdff1aSopenharmony_ci } 150cabdff1aSopenharmony_ci dst += dst_stride; 151cabdff1aSopenharmony_ci src += src_stride >> 1; 152cabdff1aSopenharmony_ci } 153cabdff1aSopenharmony_ci} 154cabdff1aSopenharmony_ci 155cabdff1aSopenharmony_ci#define PUT_SIGNED_RECT_CLAMPED(PX) \ 156cabdff1aSopenharmony_cistatic void put_signed_rect_clamped_ ## PX ## bit_c(uint8_t *_dst, int dst_stride, const uint8_t *_src, \ 157cabdff1aSopenharmony_ci int src_stride, int width, int height) \ 158cabdff1aSopenharmony_ci{ \ 159cabdff1aSopenharmony_ci int x, y; \ 160cabdff1aSopenharmony_ci uint16_t *dst = (uint16_t *)_dst; \ 161cabdff1aSopenharmony_ci int32_t *src = (int32_t *)_src; \ 162cabdff1aSopenharmony_ci for (y = 0; y < height; y++) { \ 163cabdff1aSopenharmony_ci for (x = 0; x < width; x+=4) { \ 164cabdff1aSopenharmony_ci dst[x ] = av_clip_uintp2(src[x ] + (1U << (PX - 1)), PX); \ 165cabdff1aSopenharmony_ci dst[x+1] = av_clip_uintp2(src[x+1] + (1U << (PX - 1)), PX); \ 166cabdff1aSopenharmony_ci dst[x+2] = av_clip_uintp2(src[x+2] + (1U << (PX - 1)), PX); \ 167cabdff1aSopenharmony_ci dst[x+3] = av_clip_uintp2(src[x+3] + (1U << (PX - 1)), PX); \ 168cabdff1aSopenharmony_ci } \ 169cabdff1aSopenharmony_ci dst += dst_stride >> 1; \ 170cabdff1aSopenharmony_ci src += src_stride >> 2; \ 171cabdff1aSopenharmony_ci } \ 172cabdff1aSopenharmony_ci} 173cabdff1aSopenharmony_ci 174cabdff1aSopenharmony_ciPUT_SIGNED_RECT_CLAMPED(10) 175cabdff1aSopenharmony_ciPUT_SIGNED_RECT_CLAMPED(12) 176cabdff1aSopenharmony_ci 177cabdff1aSopenharmony_cistatic void add_rect_clamped_c(uint8_t *dst, const uint16_t *src, int stride, 178cabdff1aSopenharmony_ci const int16_t *idwt, int idwt_stride, 179cabdff1aSopenharmony_ci int width, int height) 180cabdff1aSopenharmony_ci{ 181cabdff1aSopenharmony_ci int x, y; 182cabdff1aSopenharmony_ci 183cabdff1aSopenharmony_ci for (y = 0; y < height; y++) { 184cabdff1aSopenharmony_ci for (x = 0; x < width; x+=2) { 185cabdff1aSopenharmony_ci dst[x ] = av_clip_uint8(((src[x ]+32)>>6) + idwt[x ]); 186cabdff1aSopenharmony_ci dst[x+1] = av_clip_uint8(((src[x+1]+32)>>6) + idwt[x+1]); 187cabdff1aSopenharmony_ci } 188cabdff1aSopenharmony_ci dst += stride; 189cabdff1aSopenharmony_ci src += stride; 190cabdff1aSopenharmony_ci idwt += idwt_stride; 191cabdff1aSopenharmony_ci } 192cabdff1aSopenharmony_ci} 193cabdff1aSopenharmony_ci 194cabdff1aSopenharmony_ci#define DEQUANT_SUBBAND(PX) \ 195cabdff1aSopenharmony_cistatic void dequant_subband_ ## PX ## _c(uint8_t *src, uint8_t *dst, ptrdiff_t stride, \ 196cabdff1aSopenharmony_ci const int qf, const int qs, int tot_v, int tot_h) \ 197cabdff1aSopenharmony_ci{ \ 198cabdff1aSopenharmony_ci int i, y; \ 199cabdff1aSopenharmony_ci for (y = 0; y < tot_v; y++) { \ 200cabdff1aSopenharmony_ci PX c, *src_r = (PX *)src, *dst_r = (PX *)dst; \ 201cabdff1aSopenharmony_ci for (i = 0; i < tot_h; i++) { \ 202cabdff1aSopenharmony_ci c = *src_r++; \ 203cabdff1aSopenharmony_ci if (c < 0) c = -((-(unsigned)c*qf + qs) >> 2); \ 204cabdff1aSopenharmony_ci else if(c > 0) c = (( (unsigned)c*qf + qs) >> 2); \ 205cabdff1aSopenharmony_ci *dst_r++ = c; \ 206cabdff1aSopenharmony_ci } \ 207cabdff1aSopenharmony_ci src += tot_h << (sizeof(PX) >> 1); \ 208cabdff1aSopenharmony_ci dst += stride; \ 209cabdff1aSopenharmony_ci } \ 210cabdff1aSopenharmony_ci} 211cabdff1aSopenharmony_ci 212cabdff1aSopenharmony_ciDEQUANT_SUBBAND(int16_t) 213cabdff1aSopenharmony_ciDEQUANT_SUBBAND(int32_t) 214cabdff1aSopenharmony_ci 215cabdff1aSopenharmony_ci#define PIXFUNC(PFX, WIDTH) \ 216cabdff1aSopenharmony_ci c->PFX ## _dirac_pixels_tab[WIDTH>>4][0] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _c; \ 217cabdff1aSopenharmony_ci c->PFX ## _dirac_pixels_tab[WIDTH>>4][1] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l2_c; \ 218cabdff1aSopenharmony_ci c->PFX ## _dirac_pixels_tab[WIDTH>>4][2] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l4_c; \ 219cabdff1aSopenharmony_ci c->PFX ## _dirac_pixels_tab[WIDTH>>4][3] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c 220cabdff1aSopenharmony_ci 221cabdff1aSopenharmony_ciav_cold void ff_diracdsp_init(DiracDSPContext *c) 222cabdff1aSopenharmony_ci{ 223cabdff1aSopenharmony_ci c->dirac_hpel_filter = dirac_hpel_filter; 224cabdff1aSopenharmony_ci c->add_rect_clamped = add_rect_clamped_c; 225cabdff1aSopenharmony_ci c->put_signed_rect_clamped[0] = put_signed_rect_clamped_8bit_c; 226cabdff1aSopenharmony_ci c->put_signed_rect_clamped[1] = put_signed_rect_clamped_10bit_c; 227cabdff1aSopenharmony_ci c->put_signed_rect_clamped[2] = put_signed_rect_clamped_12bit_c; 228cabdff1aSopenharmony_ci 229cabdff1aSopenharmony_ci c->add_dirac_obmc[0] = add_obmc8_c; 230cabdff1aSopenharmony_ci c->add_dirac_obmc[1] = add_obmc16_c; 231cabdff1aSopenharmony_ci c->add_dirac_obmc[2] = add_obmc32_c; 232cabdff1aSopenharmony_ci 233cabdff1aSopenharmony_ci c->weight_dirac_pixels_tab[0] = weight_dirac_pixels8_c; 234cabdff1aSopenharmony_ci c->weight_dirac_pixels_tab[1] = weight_dirac_pixels16_c; 235cabdff1aSopenharmony_ci c->weight_dirac_pixels_tab[2] = weight_dirac_pixels32_c; 236cabdff1aSopenharmony_ci c->biweight_dirac_pixels_tab[0] = biweight_dirac_pixels8_c; 237cabdff1aSopenharmony_ci c->biweight_dirac_pixels_tab[1] = biweight_dirac_pixels16_c; 238cabdff1aSopenharmony_ci c->biweight_dirac_pixels_tab[2] = biweight_dirac_pixels32_c; 239cabdff1aSopenharmony_ci 240cabdff1aSopenharmony_ci c->dequant_subband[0] = c->dequant_subband[2] = dequant_subband_int16_t_c; 241cabdff1aSopenharmony_ci c->dequant_subband[1] = c->dequant_subband[3] = dequant_subband_int32_t_c; 242cabdff1aSopenharmony_ci 243cabdff1aSopenharmony_ci PIXFUNC(put, 8); 244cabdff1aSopenharmony_ci PIXFUNC(put, 16); 245cabdff1aSopenharmony_ci PIXFUNC(put, 32); 246cabdff1aSopenharmony_ci PIXFUNC(avg, 8); 247cabdff1aSopenharmony_ci PIXFUNC(avg, 16); 248cabdff1aSopenharmony_ci PIXFUNC(avg, 32); 249cabdff1aSopenharmony_ci 250cabdff1aSopenharmony_ci#if ARCH_X86 251cabdff1aSopenharmony_ci ff_diracdsp_init_x86(c); 252cabdff1aSopenharmony_ci#endif 253cabdff1aSopenharmony_ci} 254