Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 1 | // Copyright 2011 Google Inc. All Rights Reserved. |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 2 | // |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 3 | // Use of this source code is governed by a BSD-style license |
| 4 | // that can be found in the COPYING file in the root of the source |
| 5 | // tree. An additional intellectual property rights grant can be found |
| 6 | // in the file PATENTS. All contributing project authors may |
| 7 | // be found in the AUTHORS file in the root of the source tree. |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 8 | // ----------------------------------------------------------------------------- |
| 9 | // |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 10 | // Speed-critical encoding functions. |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 11 | // |
| 12 | // Author: Skal (pascal.massimino@gmail.com) |
| 13 | |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 14 | #include <assert.h> |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 15 | #include <stdlib.h> // for abs() |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 16 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 17 | #include "./dsp.h" |
| 18 | #include "../enc/vp8enci.h" |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 19 | |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 20 | static WEBP_INLINE uint8_t clip_8b(int v) { |
| 21 | return (!(v & ~0xff)) ? v : (v < 0) ? 0 : 255; |
| 22 | } |
| 23 | |
| 24 | static WEBP_INLINE int clip_max(int v, int max) { |
| 25 | return (v > max) ? max : v; |
| 26 | } |
| 27 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 28 | //------------------------------------------------------------------------------ |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 29 | // Compute susceptibility based on DCT-coeff histograms: |
| 30 | // the higher, the "easier" the macroblock is to compress. |
| 31 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 32 | const int VP8DspScan[16 + 4 + 4] = { |
| 33 | // Luma |
| 34 | 0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS, |
| 35 | 0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS, |
| 36 | 0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS, |
| 37 | 0 + 12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS, |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 38 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 39 | 0 + 0 * BPS, 4 + 0 * BPS, 0 + 4 * BPS, 4 + 4 * BPS, // U |
| 40 | 8 + 0 * BPS, 12 + 0 * BPS, 8 + 4 * BPS, 12 + 4 * BPS // V |
| 41 | }; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 42 | |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 43 | static void CollectHistogram(const uint8_t* ref, const uint8_t* pred, |
| 44 | int start_block, int end_block, |
| 45 | VP8Histogram* const histo) { |
| 46 | int j; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 47 | for (j = start_block; j < end_block; ++j) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 48 | int k; |
| 49 | int16_t out[16]; |
| 50 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 51 | VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out); |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 52 | |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 53 | // Convert coefficients to bin. |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 54 | for (k = 0; k < 16; ++k) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 55 | const int v = abs(out[k]) >> 3; // TODO(skal): add rounding? |
| 56 | const int clipped_value = clip_max(v, MAX_COEFF_THRESH); |
| 57 | histo->distribution[clipped_value]++; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 58 | } |
| 59 | } |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 60 | } |
| 61 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 62 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 63 | // run-time tables (~4k) |
| 64 | |
| 65 | static uint8_t clip1[255 + 510 + 1]; // clips [-255,510] to [0,255] |
| 66 | |
| 67 | // We declare this variable 'volatile' to prevent instruction reordering |
| 68 | // and make sure it's set to true _last_ (so as to be thread-safe) |
| 69 | static volatile int tables_ok = 0; |
| 70 | |
| 71 | static void InitTables(void) { |
| 72 | if (!tables_ok) { |
| 73 | int i; |
| 74 | for (i = -255; i <= 255 + 255; ++i) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 75 | clip1[255 + i] = clip_8b(i); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 76 | } |
| 77 | tables_ok = 1; |
| 78 | } |
| 79 | } |
| 80 | |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 81 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 82 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 83 | // Transforms (Paragraph 14.4) |
| 84 | |
| 85 | #define STORE(x, y, v) \ |
| 86 | dst[(x) + (y) * BPS] = clip_8b(ref[(x) + (y) * BPS] + ((v) >> 3)) |
| 87 | |
| 88 | static const int kC1 = 20091 + (1 << 16); |
| 89 | static const int kC2 = 35468; |
| 90 | #define MUL(a, b) (((a) * (b)) >> 16) |
| 91 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 92 | static WEBP_INLINE void ITransformOne(const uint8_t* ref, const int16_t* in, |
| 93 | uint8_t* dst) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 94 | int C[4 * 4], *tmp; |
| 95 | int i; |
| 96 | tmp = C; |
| 97 | for (i = 0; i < 4; ++i) { // vertical pass |
| 98 | const int a = in[0] + in[8]; |
| 99 | const int b = in[0] - in[8]; |
| 100 | const int c = MUL(in[4], kC2) - MUL(in[12], kC1); |
| 101 | const int d = MUL(in[4], kC1) + MUL(in[12], kC2); |
| 102 | tmp[0] = a + d; |
| 103 | tmp[1] = b + c; |
| 104 | tmp[2] = b - c; |
| 105 | tmp[3] = a - d; |
| 106 | tmp += 4; |
| 107 | in++; |
| 108 | } |
| 109 | |
| 110 | tmp = C; |
| 111 | for (i = 0; i < 4; ++i) { // horizontal pass |
| 112 | const int dc = tmp[0] + 4; |
| 113 | const int a = dc + tmp[8]; |
| 114 | const int b = dc - tmp[8]; |
| 115 | const int c = MUL(tmp[4], kC2) - MUL(tmp[12], kC1); |
| 116 | const int d = MUL(tmp[4], kC1) + MUL(tmp[12], kC2); |
| 117 | STORE(0, i, a + d); |
| 118 | STORE(1, i, b + c); |
| 119 | STORE(2, i, b - c); |
| 120 | STORE(3, i, a - d); |
| 121 | tmp++; |
| 122 | } |
| 123 | } |
| 124 | |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 125 | static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst, |
| 126 | int do_two) { |
| 127 | ITransformOne(ref, in, dst); |
| 128 | if (do_two) { |
| 129 | ITransformOne(ref + 4, in + 16, dst + 4); |
| 130 | } |
| 131 | } |
| 132 | |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 133 | static void FTransform(const uint8_t* src, const uint8_t* ref, int16_t* out) { |
| 134 | int i; |
| 135 | int tmp[16]; |
| 136 | for (i = 0; i < 4; ++i, src += BPS, ref += BPS) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 137 | const int d0 = src[0] - ref[0]; // 9bit dynamic range ([-255,255]) |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 138 | const int d1 = src[1] - ref[1]; |
| 139 | const int d2 = src[2] - ref[2]; |
| 140 | const int d3 = src[3] - ref[3]; |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 141 | const int a0 = (d0 + d3); // 10b [-510,510] |
| 142 | const int a1 = (d1 + d2); |
| 143 | const int a2 = (d1 - d2); |
| 144 | const int a3 = (d0 - d3); |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 145 | tmp[0 + i * 4] = (a0 + a1) * 8; // 14b [-8160,8160] |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 146 | tmp[1 + i * 4] = (a2 * 2217 + a3 * 5352 + 1812) >> 9; // [-7536,7542] |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 147 | tmp[2 + i * 4] = (a0 - a1) * 8; |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 148 | tmp[3 + i * 4] = (a3 * 2217 - a2 * 5352 + 937) >> 9; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 149 | } |
| 150 | for (i = 0; i < 4; ++i) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 151 | const int a0 = (tmp[0 + i] + tmp[12 + i]); // 15b |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 152 | const int a1 = (tmp[4 + i] + tmp[ 8 + i]); |
| 153 | const int a2 = (tmp[4 + i] - tmp[ 8 + i]); |
| 154 | const int a3 = (tmp[0 + i] - tmp[12 + i]); |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 155 | out[0 + i] = (a0 + a1 + 7) >> 4; // 12b |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 156 | out[4 + i] = ((a2 * 2217 + a3 * 5352 + 12000) >> 16) + (a3 != 0); |
| 157 | out[8 + i] = (a0 - a1 + 7) >> 4; |
| 158 | out[12+ i] = ((a3 * 2217 - a2 * 5352 + 51000) >> 16); |
| 159 | } |
| 160 | } |
| 161 | |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 162 | static void FTransformWHT(const int16_t* in, int16_t* out) { |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 163 | // input is 12b signed |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 164 | int32_t tmp[16]; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 165 | int i; |
| 166 | for (i = 0; i < 4; ++i, in += 64) { |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 167 | const int a0 = (in[0 * 16] + in[2 * 16]); // 13b |
| 168 | const int a1 = (in[1 * 16] + in[3 * 16]); |
| 169 | const int a2 = (in[1 * 16] - in[3 * 16]); |
| 170 | const int a3 = (in[0 * 16] - in[2 * 16]); |
| 171 | tmp[0 + i * 4] = a0 + a1; // 14b |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 172 | tmp[1 + i * 4] = a3 + a2; |
| 173 | tmp[2 + i * 4] = a3 - a2; |
| 174 | tmp[3 + i * 4] = a0 - a1; |
| 175 | } |
| 176 | for (i = 0; i < 4; ++i) { |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 177 | const int a0 = (tmp[0 + i] + tmp[8 + i]); // 15b |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 178 | const int a1 = (tmp[4 + i] + tmp[12+ i]); |
| 179 | const int a2 = (tmp[4 + i] - tmp[12+ i]); |
| 180 | const int a3 = (tmp[0 + i] - tmp[8 + i]); |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 181 | const int b0 = a0 + a1; // 16b |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 182 | const int b1 = a3 + a2; |
| 183 | const int b2 = a3 - a2; |
| 184 | const int b3 = a0 - a1; |
Vikas Arora | 0406ce1 | 2013-08-09 15:57:12 -0700 | [diff] [blame] | 185 | out[ 0 + i] = b0 >> 1; // 15b |
| 186 | out[ 4 + i] = b1 >> 1; |
| 187 | out[ 8 + i] = b2 >> 1; |
| 188 | out[12 + i] = b3 >> 1; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 189 | } |
| 190 | } |
| 191 | |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 192 | #undef MUL |
| 193 | #undef STORE |
| 194 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 195 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 196 | // Intra predictions |
| 197 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 198 | #define DST(x, y) dst[(x) + (y) * BPS] |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 199 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 200 | static WEBP_INLINE void Fill(uint8_t* dst, int value, int size) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 201 | int j; |
| 202 | for (j = 0; j < size; ++j) { |
| 203 | memset(dst + j * BPS, value, size); |
| 204 | } |
| 205 | } |
| 206 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 207 | static WEBP_INLINE void VerticalPred(uint8_t* dst, |
| 208 | const uint8_t* top, int size) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 209 | int j; |
| 210 | if (top) { |
| 211 | for (j = 0; j < size; ++j) memcpy(dst + j * BPS, top, size); |
| 212 | } else { |
| 213 | Fill(dst, 127, size); |
| 214 | } |
| 215 | } |
| 216 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 217 | static WEBP_INLINE void HorizontalPred(uint8_t* dst, |
| 218 | const uint8_t* left, int size) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 219 | if (left) { |
| 220 | int j; |
| 221 | for (j = 0; j < size; ++j) { |
| 222 | memset(dst + j * BPS, left[j], size); |
| 223 | } |
| 224 | } else { |
| 225 | Fill(dst, 129, size); |
| 226 | } |
| 227 | } |
| 228 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 229 | static WEBP_INLINE void TrueMotion(uint8_t* dst, const uint8_t* left, |
| 230 | const uint8_t* top, int size) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 231 | int y; |
| 232 | if (left) { |
| 233 | if (top) { |
| 234 | const uint8_t* const clip = clip1 + 255 - left[-1]; |
| 235 | for (y = 0; y < size; ++y) { |
| 236 | const uint8_t* const clip_table = clip + left[y]; |
| 237 | int x; |
| 238 | for (x = 0; x < size; ++x) { |
| 239 | dst[x] = clip_table[top[x]]; |
| 240 | } |
| 241 | dst += BPS; |
| 242 | } |
| 243 | } else { |
| 244 | HorizontalPred(dst, left, size); |
| 245 | } |
| 246 | } else { |
| 247 | // true motion without left samples (hence: with default 129 value) |
| 248 | // is equivalent to VE prediction where you just copy the top samples. |
| 249 | // Note that if top samples are not available, the default value is |
| 250 | // then 129, and not 127 as in the VerticalPred case. |
| 251 | if (top) { |
| 252 | VerticalPred(dst, top, size); |
| 253 | } else { |
| 254 | Fill(dst, 129, size); |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 259 | static WEBP_INLINE void DCMode(uint8_t* dst, const uint8_t* left, |
| 260 | const uint8_t* top, |
| 261 | int size, int round, int shift) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 262 | int DC = 0; |
| 263 | int j; |
| 264 | if (top) { |
| 265 | for (j = 0; j < size; ++j) DC += top[j]; |
| 266 | if (left) { // top and left present |
| 267 | for (j = 0; j < size; ++j) DC += left[j]; |
| 268 | } else { // top, but no left |
| 269 | DC += DC; |
| 270 | } |
| 271 | DC = (DC + round) >> shift; |
| 272 | } else if (left) { // left but no top |
| 273 | for (j = 0; j < size; ++j) DC += left[j]; |
| 274 | DC += DC; |
| 275 | DC = (DC + round) >> shift; |
| 276 | } else { // no top, no left, nothing. |
| 277 | DC = 0x80; |
| 278 | } |
| 279 | Fill(dst, DC, size); |
| 280 | } |
| 281 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 282 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 283 | // Chroma 8x8 prediction (paragraph 12.2) |
| 284 | |
| 285 | static void IntraChromaPreds(uint8_t* dst, const uint8_t* left, |
| 286 | const uint8_t* top) { |
| 287 | // U block |
| 288 | DCMode(C8DC8 + dst, left, top, 8, 8, 4); |
| 289 | VerticalPred(C8VE8 + dst, top, 8); |
| 290 | HorizontalPred(C8HE8 + dst, left, 8); |
| 291 | TrueMotion(C8TM8 + dst, left, top, 8); |
| 292 | // V block |
| 293 | dst += 8; |
| 294 | if (top) top += 8; |
| 295 | if (left) left += 16; |
| 296 | DCMode(C8DC8 + dst, left, top, 8, 8, 4); |
| 297 | VerticalPred(C8VE8 + dst, top, 8); |
| 298 | HorizontalPred(C8HE8 + dst, left, 8); |
| 299 | TrueMotion(C8TM8 + dst, left, top, 8); |
| 300 | } |
| 301 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 302 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 303 | // luma 16x16 prediction (paragraph 12.3) |
| 304 | |
| 305 | static void Intra16Preds(uint8_t* dst, |
| 306 | const uint8_t* left, const uint8_t* top) { |
| 307 | DCMode(I16DC16 + dst, left, top, 16, 16, 5); |
| 308 | VerticalPred(I16VE16 + dst, top, 16); |
| 309 | HorizontalPred(I16HE16 + dst, left, 16); |
| 310 | TrueMotion(I16TM16 + dst, left, top, 16); |
| 311 | } |
| 312 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 313 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 314 | // luma 4x4 prediction |
| 315 | |
| 316 | #define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) |
| 317 | #define AVG2(a, b) (((a) + (b) + 1) >> 1) |
| 318 | |
| 319 | static void VE4(uint8_t* dst, const uint8_t* top) { // vertical |
| 320 | const uint8_t vals[4] = { |
| 321 | AVG3(top[-1], top[0], top[1]), |
| 322 | AVG3(top[ 0], top[1], top[2]), |
| 323 | AVG3(top[ 1], top[2], top[3]), |
| 324 | AVG3(top[ 2], top[3], top[4]) |
| 325 | }; |
| 326 | int i; |
| 327 | for (i = 0; i < 4; ++i) { |
| 328 | memcpy(dst + i * BPS, vals, 4); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | static void HE4(uint8_t* dst, const uint8_t* top) { // horizontal |
| 333 | const int X = top[-1]; |
| 334 | const int I = top[-2]; |
| 335 | const int J = top[-3]; |
| 336 | const int K = top[-4]; |
| 337 | const int L = top[-5]; |
| 338 | *(uint32_t*)(dst + 0 * BPS) = 0x01010101U * AVG3(X, I, J); |
| 339 | *(uint32_t*)(dst + 1 * BPS) = 0x01010101U * AVG3(I, J, K); |
| 340 | *(uint32_t*)(dst + 2 * BPS) = 0x01010101U * AVG3(J, K, L); |
| 341 | *(uint32_t*)(dst + 3 * BPS) = 0x01010101U * AVG3(K, L, L); |
| 342 | } |
| 343 | |
| 344 | static void DC4(uint8_t* dst, const uint8_t* top) { |
| 345 | uint32_t dc = 4; |
| 346 | int i; |
| 347 | for (i = 0; i < 4; ++i) dc += top[i] + top[-5 + i]; |
| 348 | Fill(dst, dc >> 3, 4); |
| 349 | } |
| 350 | |
| 351 | static void RD4(uint8_t* dst, const uint8_t* top) { |
| 352 | const int X = top[-1]; |
| 353 | const int I = top[-2]; |
| 354 | const int J = top[-3]; |
| 355 | const int K = top[-4]; |
| 356 | const int L = top[-5]; |
| 357 | const int A = top[0]; |
| 358 | const int B = top[1]; |
| 359 | const int C = top[2]; |
| 360 | const int D = top[3]; |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 361 | DST(0, 3) = AVG3(J, K, L); |
| 362 | DST(0, 2) = DST(1, 3) = AVG3(I, J, K); |
| 363 | DST(0, 1) = DST(1, 2) = DST(2, 3) = AVG3(X, I, J); |
| 364 | DST(0, 0) = DST(1, 1) = DST(2, 2) = DST(3, 3) = AVG3(A, X, I); |
| 365 | DST(1, 0) = DST(2, 1) = DST(3, 2) = AVG3(B, A, X); |
| 366 | DST(2, 0) = DST(3, 1) = AVG3(C, B, A); |
| 367 | DST(3, 0) = AVG3(D, C, B); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | static void LD4(uint8_t* dst, const uint8_t* top) { |
| 371 | const int A = top[0]; |
| 372 | const int B = top[1]; |
| 373 | const int C = top[2]; |
| 374 | const int D = top[3]; |
| 375 | const int E = top[4]; |
| 376 | const int F = top[5]; |
| 377 | const int G = top[6]; |
| 378 | const int H = top[7]; |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 379 | DST(0, 0) = AVG3(A, B, C); |
| 380 | DST(1, 0) = DST(0, 1) = AVG3(B, C, D); |
| 381 | DST(2, 0) = DST(1, 1) = DST(0, 2) = AVG3(C, D, E); |
| 382 | DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F); |
| 383 | DST(3, 1) = DST(2, 2) = DST(1, 3) = AVG3(E, F, G); |
| 384 | DST(3, 2) = DST(2, 3) = AVG3(F, G, H); |
| 385 | DST(3, 3) = AVG3(G, H, H); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | static void VR4(uint8_t* dst, const uint8_t* top) { |
| 389 | const int X = top[-1]; |
| 390 | const int I = top[-2]; |
| 391 | const int J = top[-3]; |
| 392 | const int K = top[-4]; |
| 393 | const int A = top[0]; |
| 394 | const int B = top[1]; |
| 395 | const int C = top[2]; |
| 396 | const int D = top[3]; |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 397 | DST(0, 0) = DST(1, 2) = AVG2(X, A); |
| 398 | DST(1, 0) = DST(2, 2) = AVG2(A, B); |
| 399 | DST(2, 0) = DST(3, 2) = AVG2(B, C); |
| 400 | DST(3, 0) = AVG2(C, D); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 401 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 402 | DST(0, 3) = AVG3(K, J, I); |
| 403 | DST(0, 2) = AVG3(J, I, X); |
| 404 | DST(0, 1) = DST(1, 3) = AVG3(I, X, A); |
| 405 | DST(1, 1) = DST(2, 3) = AVG3(X, A, B); |
| 406 | DST(2, 1) = DST(3, 3) = AVG3(A, B, C); |
| 407 | DST(3, 1) = AVG3(B, C, D); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | static void VL4(uint8_t* dst, const uint8_t* top) { |
| 411 | const int A = top[0]; |
| 412 | const int B = top[1]; |
| 413 | const int C = top[2]; |
| 414 | const int D = top[3]; |
| 415 | const int E = top[4]; |
| 416 | const int F = top[5]; |
| 417 | const int G = top[6]; |
| 418 | const int H = top[7]; |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 419 | DST(0, 0) = AVG2(A, B); |
| 420 | DST(1, 0) = DST(0, 2) = AVG2(B, C); |
| 421 | DST(2, 0) = DST(1, 2) = AVG2(C, D); |
| 422 | DST(3, 0) = DST(2, 2) = AVG2(D, E); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 423 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 424 | DST(0, 1) = AVG3(A, B, C); |
| 425 | DST(1, 1) = DST(0, 3) = AVG3(B, C, D); |
| 426 | DST(2, 1) = DST(1, 3) = AVG3(C, D, E); |
| 427 | DST(3, 1) = DST(2, 3) = AVG3(D, E, F); |
| 428 | DST(3, 2) = AVG3(E, F, G); |
| 429 | DST(3, 3) = AVG3(F, G, H); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 430 | } |
| 431 | |
| 432 | static void HU4(uint8_t* dst, const uint8_t* top) { |
| 433 | const int I = top[-2]; |
| 434 | const int J = top[-3]; |
| 435 | const int K = top[-4]; |
| 436 | const int L = top[-5]; |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 437 | DST(0, 0) = AVG2(I, J); |
| 438 | DST(2, 0) = DST(0, 1) = AVG2(J, K); |
| 439 | DST(2, 1) = DST(0, 2) = AVG2(K, L); |
| 440 | DST(1, 0) = AVG3(I, J, K); |
| 441 | DST(3, 0) = DST(1, 1) = AVG3(J, K, L); |
| 442 | DST(3, 1) = DST(1, 2) = AVG3(K, L, L); |
| 443 | DST(3, 2) = DST(2, 2) = |
| 444 | DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | static void HD4(uint8_t* dst, const uint8_t* top) { |
| 448 | const int X = top[-1]; |
| 449 | const int I = top[-2]; |
| 450 | const int J = top[-3]; |
| 451 | const int K = top[-4]; |
| 452 | const int L = top[-5]; |
| 453 | const int A = top[0]; |
| 454 | const int B = top[1]; |
| 455 | const int C = top[2]; |
| 456 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 457 | DST(0, 0) = DST(2, 1) = AVG2(I, X); |
| 458 | DST(0, 1) = DST(2, 2) = AVG2(J, I); |
| 459 | DST(0, 2) = DST(2, 3) = AVG2(K, J); |
| 460 | DST(0, 3) = AVG2(L, K); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 461 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 462 | DST(3, 0) = AVG3(A, B, C); |
| 463 | DST(2, 0) = AVG3(X, A, B); |
| 464 | DST(1, 0) = DST(3, 1) = AVG3(I, X, A); |
| 465 | DST(1, 1) = DST(3, 2) = AVG3(J, I, X); |
| 466 | DST(1, 2) = DST(3, 3) = AVG3(K, J, I); |
| 467 | DST(1, 3) = AVG3(L, K, J); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | static void TM4(uint8_t* dst, const uint8_t* top) { |
| 471 | int x, y; |
| 472 | const uint8_t* const clip = clip1 + 255 - top[-1]; |
| 473 | for (y = 0; y < 4; ++y) { |
| 474 | const uint8_t* const clip_table = clip + top[-2 - y]; |
| 475 | for (x = 0; x < 4; ++x) { |
| 476 | dst[x] = clip_table[top[x]]; |
| 477 | } |
| 478 | dst += BPS; |
| 479 | } |
| 480 | } |
| 481 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 482 | #undef DST |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 483 | #undef AVG3 |
| 484 | #undef AVG2 |
| 485 | |
| 486 | // Left samples are top[-5 .. -2], top_left is top[-1], top are |
| 487 | // located at top[0..3], and top right is top[4..7] |
| 488 | static void Intra4Preds(uint8_t* dst, const uint8_t* top) { |
| 489 | DC4(I4DC4 + dst, top); |
| 490 | TM4(I4TM4 + dst, top); |
| 491 | VE4(I4VE4 + dst, top); |
| 492 | HE4(I4HE4 + dst, top); |
| 493 | RD4(I4RD4 + dst, top); |
| 494 | VR4(I4VR4 + dst, top); |
| 495 | LD4(I4LD4 + dst, top); |
| 496 | VL4(I4VL4 + dst, top); |
| 497 | HD4(I4HD4 + dst, top); |
| 498 | HU4(I4HU4 + dst, top); |
| 499 | } |
| 500 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 501 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 502 | // Metric |
| 503 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 504 | static WEBP_INLINE int GetSSE(const uint8_t* a, const uint8_t* b, |
| 505 | int w, int h) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 506 | int count = 0; |
| 507 | int y, x; |
| 508 | for (y = 0; y < h; ++y) { |
| 509 | for (x = 0; x < w; ++x) { |
| 510 | const int diff = (int)a[x] - b[x]; |
| 511 | count += diff * diff; |
| 512 | } |
| 513 | a += BPS; |
| 514 | b += BPS; |
| 515 | } |
| 516 | return count; |
| 517 | } |
| 518 | |
| 519 | static int SSE16x16(const uint8_t* a, const uint8_t* b) { |
| 520 | return GetSSE(a, b, 16, 16); |
| 521 | } |
| 522 | static int SSE16x8(const uint8_t* a, const uint8_t* b) { |
| 523 | return GetSSE(a, b, 16, 8); |
| 524 | } |
| 525 | static int SSE8x8(const uint8_t* a, const uint8_t* b) { |
| 526 | return GetSSE(a, b, 8, 8); |
| 527 | } |
| 528 | static int SSE4x4(const uint8_t* a, const uint8_t* b) { |
| 529 | return GetSSE(a, b, 4, 4); |
| 530 | } |
| 531 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 532 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 533 | // Texture distortion |
| 534 | // |
| 535 | // We try to match the spectral content (weighted) between source and |
| 536 | // reconstructed samples. |
| 537 | |
| 538 | // Hadamard transform |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 539 | // Returns the weighted sum of the absolute value of transformed coefficients. |
| 540 | static int TTransform(const uint8_t* in, const uint16_t* w) { |
| 541 | int sum = 0; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 542 | int tmp[16]; |
| 543 | int i; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 544 | // horizontal pass |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 545 | for (i = 0; i < 4; ++i, in += BPS) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 546 | const int a0 = in[0] + in[2]; |
| 547 | const int a1 = in[1] + in[3]; |
| 548 | const int a2 = in[1] - in[3]; |
| 549 | const int a3 = in[0] - in[2]; |
| 550 | tmp[0 + i * 4] = a0 + a1; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 551 | tmp[1 + i * 4] = a3 + a2; |
| 552 | tmp[2 + i * 4] = a3 - a2; |
| 553 | tmp[3 + i * 4] = a0 - a1; |
| 554 | } |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 555 | // vertical pass |
| 556 | for (i = 0; i < 4; ++i, ++w) { |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 557 | const int a0 = tmp[0 + i] + tmp[8 + i]; |
| 558 | const int a1 = tmp[4 + i] + tmp[12+ i]; |
| 559 | const int a2 = tmp[4 + i] - tmp[12+ i]; |
| 560 | const int a3 = tmp[0 + i] - tmp[8 + i]; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 561 | const int b0 = a0 + a1; |
| 562 | const int b1 = a3 + a2; |
| 563 | const int b2 = a3 - a2; |
| 564 | const int b3 = a0 - a1; |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 565 | |
| 566 | sum += w[ 0] * abs(b0); |
| 567 | sum += w[ 4] * abs(b1); |
| 568 | sum += w[ 8] * abs(b2); |
| 569 | sum += w[12] * abs(b3); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 570 | } |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 571 | return sum; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | static int Disto4x4(const uint8_t* const a, const uint8_t* const b, |
| 575 | const uint16_t* const w) { |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 576 | const int sum1 = TTransform(a, w); |
| 577 | const int sum2 = TTransform(b, w); |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 578 | return abs(sum2 - sum1) >> 5; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | static int Disto16x16(const uint8_t* const a, const uint8_t* const b, |
| 582 | const uint16_t* const w) { |
| 583 | int D = 0; |
| 584 | int x, y; |
| 585 | for (y = 0; y < 16 * BPS; y += 4 * BPS) { |
| 586 | for (x = 0; x < 16; x += 4) { |
| 587 | D += Disto4x4(a + x + y, b + x + y, w); |
| 588 | } |
| 589 | } |
| 590 | return D; |
| 591 | } |
| 592 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 593 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 594 | // Quantization |
| 595 | // |
| 596 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 597 | static const uint8_t kZigzag[16] = { |
| 598 | 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 |
| 599 | }; |
| 600 | |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 601 | // Simple quantization |
| 602 | static int QuantizeBlock(int16_t in[16], int16_t out[16], |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 603 | const VP8Matrix* const mtx) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 604 | int last = -1; |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 605 | int n; |
| 606 | for (n = 0; n < 16; ++n) { |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 607 | const int j = kZigzag[n]; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 608 | const int sign = (in[j] < 0); |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 609 | const uint32_t coeff = (sign ? -in[j] : in[j]) + mtx->sharpen_[j]; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 610 | if (coeff > mtx->zthresh_[j]) { |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 611 | const uint32_t Q = mtx->q_[j]; |
| 612 | const uint32_t iQ = mtx->iq_[j]; |
| 613 | const uint32_t B = mtx->bias_[j]; |
| 614 | int level = QUANTDIV(coeff, iQ, B); |
| 615 | if (level > MAX_LEVEL) level = MAX_LEVEL; |
| 616 | if (sign) level = -level; |
| 617 | in[j] = level * Q; |
| 618 | out[n] = level; |
| 619 | if (level) last = n; |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 620 | } else { |
| 621 | out[n] = 0; |
| 622 | in[j] = 0; |
| 623 | } |
| 624 | } |
| 625 | return (last >= 0); |
| 626 | } |
| 627 | |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 628 | static int QuantizeBlockWHT(int16_t in[16], int16_t out[16], |
| 629 | const VP8Matrix* const mtx) { |
| 630 | int n, last = -1; |
| 631 | for (n = 0; n < 16; ++n) { |
| 632 | const int j = kZigzag[n]; |
| 633 | const int sign = (in[j] < 0); |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 634 | const uint32_t coeff = sign ? -in[j] : in[j]; |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 635 | assert(mtx->sharpen_[j] == 0); |
| 636 | if (coeff > mtx->zthresh_[j]) { |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 637 | const uint32_t Q = mtx->q_[j]; |
| 638 | const uint32_t iQ = mtx->iq_[j]; |
| 639 | const uint32_t B = mtx->bias_[j]; |
| 640 | int level = QUANTDIV(coeff, iQ, B); |
| 641 | if (level > MAX_LEVEL) level = MAX_LEVEL; |
| 642 | if (sign) level = -level; |
| 643 | in[j] = level * Q; |
| 644 | out[n] = level; |
| 645 | if (level) last = n; |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 646 | } else { |
| 647 | out[n] = 0; |
| 648 | in[j] = 0; |
| 649 | } |
| 650 | } |
| 651 | return (last >= 0); |
| 652 | } |
| 653 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 654 | //------------------------------------------------------------------------------ |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 655 | // Block copy |
| 656 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 657 | static WEBP_INLINE void Copy(const uint8_t* src, uint8_t* dst, int size) { |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 658 | int y; |
| 659 | for (y = 0; y < size; ++y) { |
| 660 | memcpy(dst, src, size); |
| 661 | src += BPS; |
| 662 | dst += BPS; |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | static void Copy4x4(const uint8_t* src, uint8_t* dst) { Copy(src, dst, 4); } |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 667 | |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 668 | //------------------------------------------------------------------------------ |
| 669 | // Initialization |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 670 | |
| 671 | // Speed-critical function pointers. We have to initialize them to the default |
| 672 | // implementations within VP8EncDspInit(). |
| 673 | VP8CHisto VP8CollectHistogram; |
| 674 | VP8Idct VP8ITransform; |
| 675 | VP8Fdct VP8FTransform; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 676 | VP8WHT VP8FTransformWHT; |
| 677 | VP8Intra4Preds VP8EncPredLuma4; |
| 678 | VP8IntraPreds VP8EncPredLuma16; |
| 679 | VP8IntraPreds VP8EncPredChroma8; |
| 680 | VP8Metric VP8SSE16x16; |
| 681 | VP8Metric VP8SSE8x8; |
| 682 | VP8Metric VP8SSE16x8; |
| 683 | VP8Metric VP8SSE4x4; |
| 684 | VP8WMetric VP8TDisto4x4; |
| 685 | VP8WMetric VP8TDisto16x16; |
| 686 | VP8QuantizeBlock VP8EncQuantizeBlock; |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 687 | VP8QuantizeBlockWHT VP8EncQuantizeBlockWHT; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 688 | VP8BlockCopy VP8Copy4x4; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 689 | |
| 690 | extern void VP8EncDspInitSSE2(void); |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 691 | extern void VP8EncDspInitAVX2(void); |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 692 | extern void VP8EncDspInitNEON(void); |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 693 | extern void VP8EncDspInitMIPS32(void); |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 694 | |
| 695 | void VP8EncDspInit(void) { |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 696 | VP8DspInit(); // common inverse transforms |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 697 | InitTables(); |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 698 | |
| 699 | // default C implementations |
| 700 | VP8CollectHistogram = CollectHistogram; |
| 701 | VP8ITransform = ITransform; |
| 702 | VP8FTransform = FTransform; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 703 | VP8FTransformWHT = FTransformWHT; |
| 704 | VP8EncPredLuma4 = Intra4Preds; |
| 705 | VP8EncPredLuma16 = Intra16Preds; |
| 706 | VP8EncPredChroma8 = IntraChromaPreds; |
| 707 | VP8SSE16x16 = SSE16x16; |
| 708 | VP8SSE8x8 = SSE8x8; |
| 709 | VP8SSE16x8 = SSE16x8; |
| 710 | VP8SSE4x4 = SSE4x4; |
| 711 | VP8TDisto4x4 = Disto4x4; |
| 712 | VP8TDisto16x16 = Disto16x16; |
| 713 | VP8EncQuantizeBlock = QuantizeBlock; |
Vikas Arora | 8b72022 | 2014-01-02 16:48:02 -0800 | [diff] [blame] | 714 | VP8EncQuantizeBlockWHT = QuantizeBlockWHT; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 715 | VP8Copy4x4 = Copy4x4; |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 716 | |
| 717 | // If defined, use CPUInfo() to overwrite some pointers with faster versions. |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 718 | if (VP8GetCPUInfo != NULL) { |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 719 | #if defined(WEBP_USE_SSE2) |
| 720 | if (VP8GetCPUInfo(kSSE2)) { |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 721 | VP8EncDspInitSSE2(); |
Vikas Arora | a241572 | 2012-08-09 16:18:58 -0700 | [diff] [blame] | 722 | } |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 723 | #endif |
| 724 | #if defined(WEBP_USE_AVX2) |
| 725 | if (VP8GetCPUInfo(kAVX2)) { |
| 726 | VP8EncDspInitAVX2(); |
| 727 | } |
| 728 | #endif |
| 729 | #if defined(WEBP_USE_NEON) |
Vikas Arora | 1e7bf88 | 2013-03-13 16:43:18 -0700 | [diff] [blame] | 730 | if (VP8GetCPUInfo(kNEON)) { |
| 731 | VP8EncDspInitNEON(); |
| 732 | } |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 733 | #endif |
Vikas Arora | af51b94 | 2014-08-28 10:51:12 -0700 | [diff] [blame] | 734 | #if defined(WEBP_USE_MIPS32) |
| 735 | if (VP8GetCPUInfo(kMIPS32)) { |
| 736 | VP8EncDspInitMIPS32(); |
| 737 | } |
| 738 | #endif |
Vikas Arora | 4667279 | 2011-07-13 16:37:55 +0530 | [diff] [blame] | 739 | } |
Vikas Arora | 7c970a0 | 2011-06-16 15:56:45 +0530 | [diff] [blame] | 740 | } |
| 741 | |