repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (C) 2009 David Conrad | |
| 3 | * | |
| 4 | * This file is part of FFmpeg. | |
| 5 | * | |
| 6 | * FFmpeg is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU Lesser General Public | |
| 8 | * License as published by the Free Software Foundation; either | |
| 9 | * version 2.1 of the License, or (at your option) any later version. | |
| 10 | * | |
| 11 | * FFmpeg is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * Lesser General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU Lesser General Public | |
| 17 | * License along with FFmpeg; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 | */ | |
| 20 | ||
| 21 | #include "avcodec.h" | |
| 22 | #include "diracdsp.h" | |
| 23 | #include "libavcodec/x86/diracdsp_mmx.h" | |
| 24 | ||
| 25 | #define FILTER(src, stride) \ | |
| 26 | ((21*((src)[ 0*stride] + (src)[1*stride]) \ | |
| 27 | -7*((src)[-1*stride] + (src)[2*stride]) \ | |
| 28 | +3*((src)[-2*stride] + (src)[3*stride]) \ | |
| 29 | -1*((src)[-3*stride] + (src)[4*stride]) + 16) >> 5) | |
| 30 | ||
| 31 | static void dirac_hpel_filter(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, | |
| 32 | int stride, int width, int height) | |
| 33 | { | |
| 34 | int x, y; | |
| 35 | ||
| 36 | for (y = 0; y < height; y++) { | |
| 37 | for (x = -3; x < width+5; x++) | |
| 38 | dstv[x] = av_clip_uint8(FILTER(src+x, stride)); | |
| 39 | ||
| 40 | for (x = 0; x < width; x++) | |
| 41 | dstc[x] = av_clip_uint8(FILTER(dstv+x, 1)); | |
| 42 | ||
| 43 | for (x = 0; x < width; x++) | |
| 44 | dsth[x] = av_clip_uint8(FILTER(src+x, 1)); | |
| 45 | ||
| 46 | src += stride; | |
| 47 | dsth += stride; | |
| 48 | dstv += stride; | |
| 49 | dstc += stride; | |
| 50 | } | |
| 51 | } | |
| 52 | ||
| 53 | #define PIXOP_BILINEAR(PFX, OP, WIDTH) \ | |
| 54 | static void ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c(uint8_t *dst, const uint8_t *src[5], int stride, int h) \ | |
| 55 | { \ | |
| 56 | int x; \ | |
| 57 | const uint8_t *s0 = src[0]; \ | |
| 58 | const uint8_t *s1 = src[1]; \ | |
| 59 | const uint8_t *s2 = src[2]; \ | |
| 60 | const uint8_t *s3 = src[3]; \ | |
| 61 | const uint8_t *w = src[4]; \ | |
| 62 | \ | |
| 63 | while (h--) { \ | |
| 64 | for (x = 0; x < WIDTH; x++) { \ | |
| 65 | OP(dst[x], (s0[x]*w[0] + s1[x]*w[1] + s2[x]*w[2] + s3[x]*w[3] + 8) >> 4); \ | |
| 66 | } \ | |
| 67 | \ | |
| 68 | dst += stride; \ | |
| 69 | s0 += stride; \ | |
| 70 | s1 += stride; \ | |
| 71 | s2 += stride; \ | |
| 72 | s3 += stride; \ | |
| 73 | } \ | |
| 74 | } | |
| 75 | ||
| 76 | #define OP_PUT(dst, val) (dst) = (val) | |
| 77 | #define OP_AVG(dst, val) (dst) = (((dst) + (val) + 1)>>1) | |
| 78 | ||
| 79 | PIXOP_BILINEAR(put, OP_PUT, 8) | |
| 80 | PIXOP_BILINEAR(put, OP_PUT, 16) | |
| 81 | PIXOP_BILINEAR(put, OP_PUT, 32) | |
| 82 | PIXOP_BILINEAR(avg, OP_AVG, 8) | |
| 83 | PIXOP_BILINEAR(avg, OP_AVG, 16) | |
| 84 | PIXOP_BILINEAR(avg, OP_AVG, 32) | |
| 85 | ||
| 86 | #define op_scale1(x) block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom) | |
| 87 | #define op_scale2(x) dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom) | |
| 88 | ||
| 89 | #define DIRAC_WEIGHT(W) \ | |
| 90 | static void weight_dirac_pixels ## W ## _c(uint8_t *block, int stride, int log2_denom, \ | |
| 91 | int weight, int h) { \ | |
| 92 | int x; \ | |
| 93 | while (h--) { \ | |
| 94 | for (x = 0; x < W; x++) { \ | |
| 95 | op_scale1(x); \ | |
| 96 | op_scale1(x+1); \ | |
| 97 | } \ | |
| 98 | block += stride; \ | |
| 99 | } \ | |
| 100 | } \ | |
| 101 | static void biweight_dirac_pixels ## W ## _c(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, \ | |
| 102 | int weightd, int weights, int h) { \ | |
| 103 | int x; \ | |
| 104 | while (h--) { \ | |
| 105 | for (x = 0; x < W; x++) { \ | |
| 106 | op_scale2(x); \ | |
| 107 | op_scale2(x+1); \ | |
| 108 | } \ | |
| 109 | dst += stride; \ | |
| 110 | src += stride; \ | |
| 111 | } \ | |
| 112 | } | |
| 113 | ||
| 114 | DIRAC_WEIGHT(8) | |
| 115 | DIRAC_WEIGHT(16) | |
| 116 | DIRAC_WEIGHT(32) | |
| 117 | ||
| 118 | #define ADD_OBMC(xblen) \ | |
| 119 | static void add_obmc ## xblen ## _c(uint16_t *dst, const uint8_t *src, int stride, \ | |
| 120 | const uint8_t *obmc_weight, int yblen) \ | |
| 121 | { \ | |
| 122 | int x; \ | |
| 123 | while (yblen--) { \ | |
| 124 | for (x = 0; x < xblen; x += 2) { \ | |
| 125 | dst[x ] += src[x ] * obmc_weight[x ]; \ | |
| 126 | dst[x+1] += src[x+1] * obmc_weight[x+1]; \ | |
| 127 | } \ | |
| 128 | dst += stride; \ | |
| 129 | src += stride; \ | |
| 130 | obmc_weight += 32; \ | |
| 131 | } \ | |
| 132 | } | |
| 133 | ||
| 134 | ADD_OBMC(8) | |
| 135 | ADD_OBMC(16) | |
| 136 | ADD_OBMC(32) | |
| 137 | ||
| 138 | static void put_signed_rect_clamped_c(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height) | |
| 139 | { | |
| 140 | int x, y; | |
| 141 | for (y = 0; y < height; y++) { | |
| 142 | for (x = 0; x < width; x+=4) { | |
| 143 | dst[x ] = av_clip_uint8(src[x ] + 128); | |
| 144 | dst[x+1] = av_clip_uint8(src[x+1] + 128); | |
| 145 | dst[x+2] = av_clip_uint8(src[x+2] + 128); | |
| 146 | dst[x+3] = av_clip_uint8(src[x+3] + 128); | |
| 147 | } | |
| 148 | dst += dst_stride; | |
| 149 | src += src_stride; | |
| 150 | } | |
| 151 | } | |
| 152 | ||
| 153 | static void add_rect_clamped_c(uint8_t *dst, const uint16_t *src, int stride, | |
| 154 | const int16_t *idwt, int idwt_stride, | |
| 155 | int width, int height) | |
| 156 | { | |
| 157 | int x, y; | |
| 158 | ||
| 159 | for (y = 0; y < height; y++) { | |
| 160 | for (x = 0; x < width; x+=2) { | |
| 161 | dst[x ] = av_clip_uint8(((src[x ]+32)>>6) + idwt[x ]); | |
| 162 | dst[x+1] = av_clip_uint8(((src[x+1]+32)>>6) + idwt[x+1]); | |
| 163 | } | |
| 164 | dst += stride; | |
| 165 | src += stride; | |
| 166 | idwt += idwt_stride; | |
| 167 | } | |
| 168 | } | |
| 169 | ||
| 170 | #define PIXFUNC(PFX, WIDTH) \ | |
| 171 | c->PFX ## _dirac_pixels_tab[WIDTH>>4][0] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _c; \ | |
| 172 | c->PFX ## _dirac_pixels_tab[WIDTH>>4][1] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l2_c; \ | |
| 173 | c->PFX ## _dirac_pixels_tab[WIDTH>>4][2] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l4_c; \ | |
| 174 | c->PFX ## _dirac_pixels_tab[WIDTH>>4][3] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c | |
| 175 | ||
| 176 | void ff_diracdsp_init(DiracDSPContext *c) | |
| 177 | { | |
| 178 | c->dirac_hpel_filter = dirac_hpel_filter; | |
| 179 | c->add_rect_clamped = add_rect_clamped_c; | |
| 180 | c->put_signed_rect_clamped = put_signed_rect_clamped_c; | |
| 181 | ||
| 182 | c->add_dirac_obmc[0] = add_obmc8_c; | |
| 183 | c->add_dirac_obmc[1] = add_obmc16_c; | |
| 184 | c->add_dirac_obmc[2] = add_obmc32_c; | |
| 185 | ||
| 186 | c->weight_dirac_pixels_tab[0] = weight_dirac_pixels8_c; | |
| 187 | c->weight_dirac_pixels_tab[1] = weight_dirac_pixels16_c; | |
| 188 | c->weight_dirac_pixels_tab[2] = weight_dirac_pixels32_c; | |
| 189 | c->biweight_dirac_pixels_tab[0] = biweight_dirac_pixels8_c; | |
| 190 | c->biweight_dirac_pixels_tab[1] = biweight_dirac_pixels16_c; | |
| 191 | c->biweight_dirac_pixels_tab[2] = biweight_dirac_pixels32_c; | |
| 192 | ||
| 193 | PIXFUNC(put, 8); | |
| 194 | PIXFUNC(put, 16); | |
| 195 | PIXFUNC(put, 32); | |
| 196 | PIXFUNC(avg, 8); | |
| 197 | PIXFUNC(avg, 16); | |
| 198 | PIXFUNC(avg, 32); | |
| 199 | ||
| 200 | if (HAVE_MMX && HAVE_YASM) ff_diracdsp_init_mmx(c); | |
| 201 | } |