mirror of
https://chromium.googlesource.com/libyuv/libyuv
synced 2025-12-07 01:06:46 +08:00
a18ba50d23
BUG=none TEST=none R=johannkoenig@google.com Review URL: https://webrtc-codereview.appspot.com/1680004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@730 16f28f9a-4ce2-e073-06de-1de4eb20be90
2685 lines
114 KiB
C++
2685 lines
114 KiB
C++
/*
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* Copyright 2011 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "libyuv/row.h"
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#include <string.h> // For memcpy and memset.
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#include "libyuv/basic_types.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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// llvm x86 is poor at ternary operator, so use branchless min/max.
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#define USE_BRANCHLESS 1
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#if USE_BRANCHLESS
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static __inline int32 clamp0(int32 v) {
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return ((-(v) >> 31) & (v));
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}
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static __inline int32 clamp255(int32 v) {
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return (((255 - (v)) >> 31) | (v)) & 255;
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}
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static __inline uint32 Clamp(int32 val) {
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int v = clamp0(val);
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return static_cast<uint32>(clamp255(v));
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}
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static __inline uint32 Abs(int32 v) {
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int m = v >> 31;
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return (v + m) ^ m;
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}
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#else // USE_BRANCHLESS
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static __inline int32 clamp0(int32 v) {
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return (v < 0) ? 0 : v;
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}
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static __inline int32 clamp255(int32 v) {
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return (v > 255) ? 255 : v;
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}
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static __inline uint32 Clamp(int32 val) {
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int v = clamp0(val);
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return static_cast<uint32>(clamp255(v));
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}
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static __inline uint32 Abs(int32 v) {
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return (v < 0) ? -v : v;
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}
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#endif // USE_BRANCHLESS
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// floating point reciprocal.
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extern const float kRecipTable[4097] = {
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0.f, 65536.f, 32768., 21845.333984f, 16384.000000f, 13107.200195f,
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10922.666992f, 9362.286133f, 8192.000000f, 7281.777832f, 6553.600098f,
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5957.818359f, 5461.333496f, 5041.230957f, 4681.143066f, 4369.066895f,
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4096.000000f, 3855.058838f, 3640.888916f, 3449.263184f, 3276.800049f,
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|
3120.761963f, 2978.909180f, 2849.391357f, 2730.666748f, 2621.439941f,
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|
2520.615479f, 2427.259277f, 2340.571533f, 2259.862061f, 2184.533447f,
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|
2114.064453f, 2048.000000f, 1985.939453f, 1927.529419f, 1872.457153f,
|
|
1820.444458f, 1771.243286f, 1724.631592f, 1680.410278f, 1638.400024f,
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|
1598.438965f, 1560.380981f, 1524.093018f, 1489.454590f, 1456.355591f,
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|
1424.695679f, 1394.382935f, 1365.333374f, 1337.469360f, 1310.719971f,
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|
1285.019653f, 1260.307739f, 1236.528320f, 1213.629639f, 1191.563599f,
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|
1170.285767f, 1149.754395f, 1129.931030f, 1110.779663f, 1092.266724f,
|
|
1074.360596f, 1057.032227f, 1040.254028f, 1024.000000f, 1008.246155f,
|
|
992.969727f, 978.149231f, 963.764709f, 949.797119f, 936.228577f, 923.042236f,
|
|
910.222229f, 897.753418f, 885.621643f, 873.813354f, 862.315796f, 851.116882f,
|
|
840.205139f, 829.569641f, 819.200012f, 809.086426f, 799.219482f, 789.590332f,
|
|
780.190491f, 771.011780f, 762.046509f, 753.287354f, 744.727295f, 736.359558f,
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|
728.177795f, 720.175842f, 712.347839f, 704.688171f, 697.191467f, 689.852661f,
|
|
682.666687f, 675.628845f, 668.734680f, 661.979797f, 655.359985f, 648.871277f,
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|
642.509827f, 636.271851f, 630.153870f, 624.152405f, 618.264160f, 612.485962f,
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|
606.814819f, 601.247681f, 595.781799f, 590.414429f, 585.142883f, 579.964600f,
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|
574.877197f, 569.878235f, 564.965515f, 560.136780f, 555.389832f, 550.722717f,
|
|
546.133362f, 541.619812f, 537.180298f, 532.812988f, 528.516113f, 524.288025f,
|
|
520.127014f, 516.031494f, 512.000000f, 508.031006f, 504.123077f, 500.274811f,
|
|
496.484863f, 492.751892f, 489.074615f, 485.451843f, 481.882355f, 478.364960f,
|
|
474.898560f, 471.482025f, 468.114288f, 464.794312f, 461.521118f, 458.293701f,
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|
455.111115f, 451.972412f, 448.876709f, 445.823120f, 442.810822f, 439.838928f,
|
|
436.906677f, 434.013245f, 431.157898f, 428.339874f, 425.558441f, 422.812897f,
|
|
420.102570f, 417.426758f, 414.784821f, 412.176086f, 409.600006f, 407.055908f,
|
|
404.543213f, 402.061340f, 399.609741f, 397.187866f, 394.795166f, 392.431152f,
|
|
390.095245f, 387.786987f, 385.505890f, 383.251465f, 381.023254f, 378.820801f,
|
|
376.643677f, 374.491425f, 372.363647f, 370.259888f, 368.179779f, 366.122894f,
|
|
364.088898f, 362.077362f, 360.087921f, 358.120209f, 356.173920f, 354.248657f,
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|
352.344086f, 350.459900f, 348.595734f, 346.751312f, 344.926331f, 343.120422f,
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|
341.333344f, 339.564758f, 337.814423f, 336.082062f, 334.367340f, 332.670044f,
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|
330.989899f, 329.326630f, 327.679993f, 326.049744f, 324.435638f, 322.837433f,
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|
321.254913f, 319.687805f, 318.135925f, 316.599030f, 315.076935f, 313.569366f,
|
|
312.076202f, 310.597168f, 309.132080f, 307.680756f, 306.242981f, 304.818604f,
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|
303.407410f, 302.009216f, 300.623840f, 299.251129f, 297.890900f, 296.542999f,
|
|
295.207214f, 293.883423f, 292.571442f, 291.271118f, 289.982300f, 288.704834f,
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287.438599f, 286.183411f, 284.939117f, 283.705627f, 282.482758f, 281.270386f,
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280.068390f, 278.876587f, 277.694916f, 276.523193f, 275.361359f, 274.209198f,
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273.066681f, 271.933624f, 270.809906f, 269.695465f, 268.590149f, 267.493866f,
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266.406494f, 265.327942f, 264.258057f, 263.196777f, 262.144012f, 261.099609f,
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260.063507f, 259.035583f, 258.015747f, 257.003937f, 256.000000f, 255.003891f,
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254.015503f, 253.034744f, 252.061539f, 251.095779f, 250.137405f, 249.186310f,
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248.242432f, 247.305664f, 246.375946f, 245.453186f, 244.537308f, 243.628250f,
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242.725922f, 241.830261f, 240.941177f, 240.058609f, 239.182480f, 238.312729f,
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237.449280f, 236.592056f, 235.741013f, 234.896057f, 234.057144f, 233.224197f,
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|
232.397156f, 231.575974f, 230.760559f, 229.950882f, 229.146851f, 228.348434f,
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|
227.555557f, 226.768173f, 225.986206f, 225.209625f, 224.438354f, 223.672348f,
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|
222.911560f, 222.155930f, 221.405411f, 220.659927f, 219.919464f, 219.183945f,
|
|
218.453339f, 217.727570f, 217.006622f, 216.290436f, 215.578949f, 214.872131f,
|
|
214.169937f, 213.472305f, 212.779221f, 212.090622f, 211.406448f, 210.726685f,
|
|
210.051285f, 209.380188f, 208.713379f, 208.050797f, 207.392410f, 206.738174f,
|
|
206.088043f, 205.442001f, 204.800003f, 204.161987f, 203.527954f, 202.897827f,
|
|
202.271606f, 201.649231f, 201.030670f, 200.415909f, 199.804871f, 199.197571f,
|
|
198.593933f, 197.993958f, 197.397583f, 196.804810f, 196.215576f, 195.629852f,
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195.047623f, 194.468842f, 193.893494f, 193.321533f, 192.752945f, 192.187683f,
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191.625732f, 191.067062f, 190.511627f, 189.959427f, 189.410400f, 188.864548f,
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188.321838f, 187.782242f, 187.245712f, 186.712250f, 186.181824f, 185.654388f,
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185.129944f, 184.608444f, 184.089890f, 183.574234f, 183.061447f, 182.551529f,
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182.044449f, 181.540161f, 181.038681f, 180.539948f, 180.043961f, 179.550690f,
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179.060104f, 178.572205f, 178.086960f, 177.604340f, 177.124329f, 176.646896f,
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176.172043f, 175.699738f, 175.229950f, 174.762665f, 174.297867f, 173.835541f,
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173.375656f, 172.918213f, 172.463165f, 172.010498f, 171.560211f, 171.112274f,
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170.666672f, 170.223373f, 169.782379f, 169.343674f, 168.907211f, 168.473007f,
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168.041031f, 167.611252f, 167.183670f, 166.758270f, 166.335022f, 165.913925f,
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165.494949f, 165.078079f, 164.663315f, 164.250626f, 163.839996f, 163.431427f,
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163.024872f, 162.620346f, 162.217819f, 161.817291f, 161.418716f, 161.022110f,
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160.627457f, 160.234726f, 159.843903f, 159.454987f, 159.067963f, 158.682816f,
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158.299515f, 157.918076f, 157.538467f, 157.160675f, 156.784683f, 156.410507f,
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156.038101f, 155.667465f, 155.298584f, 154.931442f, 154.566040f, 154.202347f,
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153.840378f, 153.480087f, 153.121490f, 152.764572f, 152.409302f, 152.055679f,
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151.703705f, 151.353348f, 151.004608f, 150.657471f, 150.311920f, 149.967957f,
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149.625565f, 149.284744f, 148.945450f, 148.607712f, 148.271500f, 147.936798f,
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147.603607f, 147.271912f, 146.941711f, 146.612976f, 146.285721f, 145.959915f,
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|
145.635559f, 145.312637f, 144.991150f, 144.671082f, 144.352417f, 144.035172f,
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143.719299f, 143.404816f, 143.091705f, 142.779953f, 142.469559f, 142.160522f,
|
|
141.852814f, 141.546432f, 141.241379f, 140.937637f, 140.635193f, 140.334045f,
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|
140.034195f, 139.735611f, 139.438293f, 139.142258f, 138.847458f, 138.553909f,
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|
138.261597f, 137.970520f, 137.680679f, 137.392029f, 137.104599f, 136.818375f,
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136.533340f, 136.249481f, 135.966812f, 135.685303f, 135.404953f, 135.125778f,
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|
134.847733f, 134.570847f, 134.295074f, 134.020447f, 133.746933f, 133.474548f,
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|
133.203247f, 132.933060f, 132.663971f, 132.395966f, 132.129028f, 131.863174f,
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|
131.598389f, 131.334671f, 131.072006f, 130.810379f, 130.549805f, 130.290253f,
|
|
130.031754f, 129.774261f, 129.517792f, 129.262329f, 129.007874f, 128.754425f,
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128.501968f, 128.250488f, 128.000000f, 127.750488f, 127.501945f, 127.254372f,
|
|
127.007751f, 126.762093f, 126.517372f, 126.273605f, 126.030769f, 125.788864f,
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125.547890f, 125.307838f, 125.068703f, 124.830475f, 124.593155f, 124.356735f,
|
|
124.121216f, 123.886581f, 123.652832f, 123.419960f, 123.187973f, 122.956848f,
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122.726593f, 122.497200f, 122.268654f, 122.040970f, 121.814125f, 121.588127f,
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121.362961f, 121.138634f, 120.915131f, 120.692451f, 120.470589f, 120.249542f,
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120.029305f, 119.809875f, 119.591240f, 119.373405f, 119.156364f, 118.940109f,
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118.724640f, 118.509949f, 118.296028f, 118.082886f, 117.870506f, 117.658890f,
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117.448029f, 117.237923f, 117.028572f, 116.819962f, 116.612099f, 116.404976f,
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116.198578f, 115.992920f, 115.787987f, 115.583771f, 115.380280f, 115.177505f,
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114.975441f, 114.774078f, 114.573425f, 114.373474f, 114.174217f, 113.975655f,
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113.777779f, 113.580589f, 113.384087f, 113.188255f, 112.993103f, 112.798622f,
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112.604813f, 112.411667f, 112.219177f, 112.027351f, 111.836174f, 111.645653f,
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111.455780f, 111.266556f, 111.077965f, 110.890015f, 110.702705f, 110.516022f,
|
|
110.329964f, 110.144539f, 109.959732f, 109.775543f, 109.591972f, 109.409012f,
|
|
109.226669f, 109.044922f, 108.863785f, 108.683250f, 108.503311f, 108.323967f,
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108.145218f, 107.967049f, 107.789474f, 107.612480f, 107.436066f, 107.260231f,
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|
107.084969f, 106.910278f, 106.736153f, 106.562599f, 106.389610f, 106.217178f,
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106.045311f, 105.873993f, 105.703224f, 105.533012f, 105.363342f, 105.194221f,
|
|
105.025642f, 104.857597f, 104.690094f, 104.523125f, 104.356689f, 104.190781f,
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104.025398f, 103.860542f, 103.696205f, 103.532387f, 103.369087f, 103.206299f,
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103.044022f, 102.882263f, 102.721001f, 102.560249f, 102.400002f, 102.240250f,
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102.080994f, 101.922241f, 101.763977f, 101.606201f, 101.448914f, 101.292114f,
|
|
101.135803f, 100.979973f, 100.824615f, 100.669739f, 100.515335f, 100.361412f,
|
|
100.207954f, 100.054962f, 99.902435f, 99.750381f, 99.598785f, 99.447647f,
|
|
99.296967f, 99.146744f, 98.996979f, 98.847664f, 98.698792f, 98.550377f,
|
|
98.402405f, 98.254875f, 98.107788f, 97.961136f, 97.814926f, 97.669151f,
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|
97.523811f, 97.378899f, 97.234421f, 97.090370f, 96.946747f, 96.803543f,
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96.660767f, 96.518410f, 96.376472f, 96.234947f, 96.093842f, 95.953148f,
|
|
95.812866f, 95.672989f, 95.533531f, 95.394470f, 95.255814f, 95.117561f,
|
|
94.979713f, 94.842255f, 94.705200f, 94.568542f, 94.432274f, 94.296402f,
|
|
94.160919f, 94.025826f, 93.891121f, 93.756798f, 93.622856f, 93.489304f,
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|
93.356125f, 93.223328f, 93.090912f, 92.958862f, 92.827194f, 92.695900f,
|
|
92.564972f, 92.434418f, 92.304222f, 92.174400f, 92.044945f, 91.915848f,
|
|
91.787117f, 91.658745f, 91.530724f, 91.403069f, 91.275764f, 91.148819f,
|
|
91.022224f, 90.895981f, 90.770081f, 90.644539f, 90.519341f, 90.394485f,
|
|
90.269974f, 90.145805f, 90.021980f, 89.898491f, 89.775345f, 89.652534f,
|
|
89.530052f, 89.407913f, 89.286102f, 89.164627f, 89.043480f, 88.922661f,
|
|
88.802170f, 88.681999f, 88.562164f, 88.442642f, 88.323448f, 88.204575f,
|
|
88.086021f, 87.967789f, 87.849869f, 87.732262f, 87.614975f, 87.498001f,
|
|
87.381332f, 87.264977f, 87.148933f, 87.033203f, 86.917770f, 86.802650f,
|
|
86.687828f, 86.573318f, 86.459106f, 86.345192f, 86.231583f, 86.118263f,
|
|
86.005249f, 85.892532f, 85.780106f, 85.667976f, 85.556137f, 85.444588f,
|
|
85.333336f, 85.222366f, 85.111687f, 85.001297f, 84.891190f, 84.781372f,
|
|
84.671837f, 84.562584f, 84.453606f, 84.344917f, 84.236504f, 84.128372f,
|
|
84.020515f, 83.912933f, 83.805626f, 83.698593f, 83.591835f, 83.485352f,
|
|
83.379135f, 83.273186f, 83.167511f, 83.062103f, 82.956963f, 82.852089f,
|
|
82.747475f, 82.643127f, 82.539040f, 82.435219f, 82.331657f, 82.228355f,
|
|
82.125313f, 82.022530f, 81.919998f, 81.817726f, 81.715714f, 81.613945f,
|
|
81.512436f, 81.411179f, 81.310173f, 81.209419f, 81.108910f, 81.008652f,
|
|
80.908646f, 80.808876f, 80.709358f, 80.610085f, 80.511055f, 80.412270f,
|
|
80.313728f, 80.215424f, 80.117363f, 80.019539f, 79.921951f, 79.824608f,
|
|
79.727493f, 79.630623f, 79.533981f, 79.437576f, 79.341408f, 79.245468f,
|
|
79.149757f, 79.054283f, 78.959038f, 78.864021f, 78.769234f, 78.674667f,
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|
78.580338f, 78.486229f, 78.392342f, 78.298683f, 78.205254f, 78.112038f,
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|
78.019051f, 77.926277f, 77.833733f, 77.741402f, 77.649292f, 77.557396f,
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|
77.465721f, 77.374260f, 77.283020f, 77.191994f, 77.101173f, 77.010574f,
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|
76.920189f, 76.830009f, 76.740044f, 76.650291f, 76.560745f, 76.471413f,
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|
76.382286f, 76.293365f, 76.204651f, 76.116142f, 76.027840f, 75.939743f,
|
|
75.851852f, 75.764160f, 75.676674f, 75.589386f, 75.502304f, 75.415421f,
|
|
75.328735f, 75.242249f, 75.155960f, 75.069878f, 74.983978f, 74.898285f,
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|
|
16.549496f, 16.545317f, 16.541142f, 16.536966f, 16.532795f, 16.528625f,
|
|
16.524458f, 16.520292f, 16.516129f, 16.511969f, 16.507809f, 16.503651f,
|
|
16.499496f, 16.495344f, 16.491192f, 16.487043f, 16.482897f, 16.478752f,
|
|
16.474611f, 16.470470f, 16.466331f, 16.462196f, 16.458061f, 16.453930f,
|
|
16.449799f, 16.445671f, 16.441545f, 16.437422f, 16.433300f, 16.429180f,
|
|
16.425062f, 16.420948f, 16.416834f, 16.412722f, 16.408613f, 16.404505f,
|
|
16.400400f, 16.396297f, 16.392197f, 16.388098f, 16.384001f, 16.379906f,
|
|
16.375813f, 16.371721f, 16.367632f, 16.363546f, 16.359461f, 16.355377f,
|
|
16.351297f, 16.347219f, 16.343142f, 16.339067f, 16.334995f, 16.330925f,
|
|
16.326857f, 16.322790f, 16.318726f, 16.314663f, 16.310602f, 16.306543f,
|
|
16.302488f, 16.298433f, 16.294380f, 16.290331f, 16.286282f, 16.282236f,
|
|
16.278193f, 16.274149f, 16.270109f, 16.266071f, 16.262035f, 16.258001f,
|
|
16.253969f, 16.249939f, 16.245911f, 16.241884f, 16.237860f, 16.233837f,
|
|
16.229816f, 16.225798f, 16.221783f, 16.217768f, 16.213755f, 16.209745f,
|
|
16.205736f, 16.201731f, 16.197725f, 16.193724f, 16.189724f, 16.185724f,
|
|
16.181728f, 16.177734f, 16.173742f, 16.169750f, 16.165762f, 16.161776f,
|
|
16.157791f, 16.153809f, 16.149828f, 16.145849f, 16.141872f, 16.137897f,
|
|
16.133924f, 16.129953f, 16.125984f, 16.122017f, 16.118052f, 16.114088f,
|
|
16.110128f, 16.106169f, 16.102211f, 16.098255f, 16.094303f, 16.090351f,
|
|
16.086401f, 16.082455f, 16.078508f, 16.074564f, 16.070623f, 16.066683f,
|
|
16.062746f, 16.058809f, 16.054874f, 16.050943f, 16.047012f, 16.043085f,
|
|
16.039158f, 16.035234f, 16.031311f, 16.027391f, 16.023472f, 16.019556f,
|
|
16.015640f, 16.011728f, 16.007816f, 16.003908f, 16.000000f
|
|
};
|
|
|
|
#ifdef LIBYUV_LITTLE_ENDIAN
|
|
#define WRITEWORD(p, v) *reinterpret_cast<uint32*>(p) = v
|
|
#else
|
|
static inline void WRITEWORD(uint8* p, uint32 v) {
|
|
p[0] = (uint8)(v & 255);
|
|
p[1] = (uint8)((v >> 8) & 255);
|
|
p[2] = (uint8)((v >> 16) & 255);
|
|
p[3] = (uint8)((v >> 24) & 255);
|
|
}
|
|
#endif
|
|
|
|
void RGB24ToARGBRow_C(const uint8* src_rgb24, uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_rgb24[0];
|
|
uint8 g = src_rgb24[1];
|
|
uint8 r = src_rgb24[2];
|
|
dst_argb[0] = b;
|
|
dst_argb[1] = g;
|
|
dst_argb[2] = r;
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
src_rgb24 += 3;
|
|
}
|
|
}
|
|
|
|
void RAWToARGBRow_C(const uint8* src_raw, uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 r = src_raw[0];
|
|
uint8 g = src_raw[1];
|
|
uint8 b = src_raw[2];
|
|
dst_argb[0] = b;
|
|
dst_argb[1] = g;
|
|
dst_argb[2] = r;
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
src_raw += 3;
|
|
}
|
|
}
|
|
|
|
void RGB565ToARGBRow_C(const uint8* src_rgb565, uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_rgb565[0] & 0x1f;
|
|
uint8 g = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
|
|
uint8 r = src_rgb565[1] >> 3;
|
|
dst_argb[0] = (b << 3) | (b >> 2);
|
|
dst_argb[1] = (g << 2) | (g >> 4);
|
|
dst_argb[2] = (r << 3) | (r >> 2);
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
src_rgb565 += 2;
|
|
}
|
|
}
|
|
|
|
void ARGB1555ToARGBRow_C(const uint8* src_argb1555, uint8* dst_argb,
|
|
int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_argb1555[0] & 0x1f;
|
|
uint8 g = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
|
|
uint8 r = (src_argb1555[1] & 0x7c) >> 2;
|
|
uint8 a = src_argb1555[1] >> 7;
|
|
dst_argb[0] = (b << 3) | (b >> 2);
|
|
dst_argb[1] = (g << 3) | (g >> 2);
|
|
dst_argb[2] = (r << 3) | (r >> 2);
|
|
dst_argb[3] = -a;
|
|
dst_argb += 4;
|
|
src_argb1555 += 2;
|
|
}
|
|
}
|
|
|
|
void ARGB4444ToARGBRow_C(const uint8* src_argb4444, uint8* dst_argb,
|
|
int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_argb4444[0] & 0x0f;
|
|
uint8 g = src_argb4444[0] >> 4;
|
|
uint8 r = src_argb4444[1] & 0x0f;
|
|
uint8 a = src_argb4444[1] >> 4;
|
|
dst_argb[0] = (b << 4) | b;
|
|
dst_argb[1] = (g << 4) | g;
|
|
dst_argb[2] = (r << 4) | r;
|
|
dst_argb[3] = (a << 4) | a;
|
|
dst_argb += 4;
|
|
src_argb4444 += 2;
|
|
}
|
|
}
|
|
|
|
void ARGBToRGB24Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_argb[0];
|
|
uint8 g = src_argb[1];
|
|
uint8 r = src_argb[2];
|
|
dst_rgb[0] = b;
|
|
dst_rgb[1] = g;
|
|
dst_rgb[2] = r;
|
|
dst_rgb += 3;
|
|
src_argb += 4;
|
|
}
|
|
}
|
|
|
|
void ARGBToRAWRow_C(const uint8* src_argb, uint8* dst_rgb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_argb[0];
|
|
uint8 g = src_argb[1];
|
|
uint8 r = src_argb[2];
|
|
dst_rgb[0] = r;
|
|
dst_rgb[1] = g;
|
|
dst_rgb[2] = b;
|
|
dst_rgb += 3;
|
|
src_argb += 4;
|
|
}
|
|
}
|
|
|
|
void ARGBToRGB565Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 b0 = src_argb[0] >> 3;
|
|
uint8 g0 = src_argb[1] >> 2;
|
|
uint8 r0 = src_argb[2] >> 3;
|
|
uint8 b1 = src_argb[4] >> 3;
|
|
uint8 g1 = src_argb[5] >> 2;
|
|
uint8 r1 = src_argb[6] >> 3;
|
|
WRITEWORD(dst_rgb, b0 | (g0 << 5) | (r0 << 11) |
|
|
(b1 << 16) | (g1 << 21) | (r1 << 27));
|
|
dst_rgb += 4;
|
|
src_argb += 8;
|
|
}
|
|
if (width & 1) {
|
|
uint8 b0 = src_argb[0] >> 3;
|
|
uint8 g0 = src_argb[1] >> 2;
|
|
uint8 r0 = src_argb[2] >> 3;
|
|
*reinterpret_cast<uint16*>(dst_rgb) = b0 | (g0 << 5) | (r0 << 11);
|
|
}
|
|
}
|
|
|
|
void ARGBToARGB1555Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 b0 = src_argb[0] >> 3;
|
|
uint8 g0 = src_argb[1] >> 3;
|
|
uint8 r0 = src_argb[2] >> 3;
|
|
uint8 a0 = src_argb[3] >> 7;
|
|
uint8 b1 = src_argb[4] >> 3;
|
|
uint8 g1 = src_argb[5] >> 3;
|
|
uint8 r1 = src_argb[6] >> 3;
|
|
uint8 a1 = src_argb[7] >> 7;
|
|
*reinterpret_cast<uint32*>(dst_rgb) =
|
|
b0 | (g0 << 5) | (r0 << 10) | (a0 << 15) |
|
|
(b1 << 16) | (g1 << 21) | (r1 << 26) | (a1 << 31);
|
|
dst_rgb += 4;
|
|
src_argb += 8;
|
|
}
|
|
if (width & 1) {
|
|
uint8 b0 = src_argb[0] >> 3;
|
|
uint8 g0 = src_argb[1] >> 3;
|
|
uint8 r0 = src_argb[2] >> 3;
|
|
uint8 a0 = src_argb[3] >> 7;
|
|
*reinterpret_cast<uint16*>(dst_rgb) =
|
|
b0 | (g0 << 5) | (r0 << 10) | (a0 << 15);
|
|
}
|
|
}
|
|
|
|
void ARGBToARGB4444Row_C(const uint8* src_argb, uint8* dst_rgb, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 b0 = src_argb[0] >> 4;
|
|
uint8 g0 = src_argb[1] >> 4;
|
|
uint8 r0 = src_argb[2] >> 4;
|
|
uint8 a0 = src_argb[3] >> 4;
|
|
uint8 b1 = src_argb[4] >> 4;
|
|
uint8 g1 = src_argb[5] >> 4;
|
|
uint8 r1 = src_argb[6] >> 4;
|
|
uint8 a1 = src_argb[7] >> 4;
|
|
*reinterpret_cast<uint32*>(dst_rgb) =
|
|
b0 | (g0 << 4) | (r0 << 8) | (a0 << 12) |
|
|
(b1 << 16) | (g1 << 20) | (r1 << 24) | (a1 << 28);
|
|
dst_rgb += 4;
|
|
src_argb += 8;
|
|
}
|
|
if (width & 1) {
|
|
uint8 b0 = src_argb[0] >> 4;
|
|
uint8 g0 = src_argb[1] >> 4;
|
|
uint8 r0 = src_argb[2] >> 4;
|
|
uint8 a0 = src_argb[3] >> 4;
|
|
*reinterpret_cast<uint16*>(dst_rgb) =
|
|
b0 | (g0 << 4) | (r0 << 8) | (a0 << 12);
|
|
}
|
|
}
|
|
|
|
static __inline int RGBToY(uint8 r, uint8 g, uint8 b) {
|
|
return (66 * r + 129 * g + 25 * b + 0x1080) >> 8;
|
|
}
|
|
|
|
static __inline int RGBToU(uint8 r, uint8 g, uint8 b) {
|
|
return (112 * b - 74 * g - 38 * r + 0x8080) >> 8;
|
|
}
|
|
static __inline int RGBToV(uint8 r, uint8 g, uint8 b) {
|
|
return (112 * r - 94 * g - 18 * b + 0x8080) >> 8;
|
|
}
|
|
|
|
#define MAKEROWY(NAME, R, G, B, BPP) \
|
|
void NAME ## ToYRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
|
|
for (int x = 0; x < width; ++x) { \
|
|
dst_y[0] = RGBToY(src_argb0[R], src_argb0[G], src_argb0[B]); \
|
|
src_argb0 += BPP; \
|
|
dst_y += 1; \
|
|
} \
|
|
} \
|
|
void NAME ## ToUVRow_C(const uint8* src_rgb0, int src_stride_rgb, \
|
|
uint8* dst_u, uint8* dst_v, int width) { \
|
|
const uint8* src_rgb1 = src_rgb0 + src_stride_rgb; \
|
|
for (int x = 0; x < width - 1; x += 2) { \
|
|
uint8 ab = (src_rgb0[B] + src_rgb0[B + BPP] + \
|
|
src_rgb1[B] + src_rgb1[B + BPP]) >> 2; \
|
|
uint8 ag = (src_rgb0[G] + src_rgb0[G + BPP] + \
|
|
src_rgb1[G] + src_rgb1[G + BPP]) >> 2; \
|
|
uint8 ar = (src_rgb0[R] + src_rgb0[R + BPP] + \
|
|
src_rgb1[R] + src_rgb1[R + BPP]) >> 2; \
|
|
dst_u[0] = RGBToU(ar, ag, ab); \
|
|
dst_v[0] = RGBToV(ar, ag, ab); \
|
|
src_rgb0 += BPP * 2; \
|
|
src_rgb1 += BPP * 2; \
|
|
dst_u += 1; \
|
|
dst_v += 1; \
|
|
} \
|
|
if (width & 1) { \
|
|
uint8 ab = (src_rgb0[B] + src_rgb1[B]) >> 1; \
|
|
uint8 ag = (src_rgb0[G] + src_rgb1[G]) >> 1; \
|
|
uint8 ar = (src_rgb0[R] + src_rgb1[R]) >> 1; \
|
|
dst_u[0] = RGBToU(ar, ag, ab); \
|
|
dst_v[0] = RGBToV(ar, ag, ab); \
|
|
} \
|
|
}
|
|
|
|
MAKEROWY(ARGB, 2, 1, 0, 4)
|
|
MAKEROWY(BGRA, 1, 2, 3, 4)
|
|
MAKEROWY(ABGR, 0, 1, 2, 4)
|
|
MAKEROWY(RGBA, 3, 2, 1, 4)
|
|
MAKEROWY(RGB24, 2, 1, 0, 3)
|
|
MAKEROWY(RAW, 0, 1, 2, 3)
|
|
#undef MAKEROWY
|
|
|
|
// JPeg uses a variation on BT.601-1 full range
|
|
// y = 0.29900 * r + 0.58700 * g + 0.11400 * b
|
|
// u = -0.16874 * r - 0.33126 * g + 0.50000 * b + center
|
|
// v = 0.50000 * r - 0.41869 * g - 0.08131 * b + center
|
|
// BT.601 Mpeg range uses:
|
|
// b 0.1016 * 255 = 25.908 = 25
|
|
// g 0.5078 * 255 = 129.489 = 129
|
|
// r 0.2578 * 255 = 65.739 = 66
|
|
// JPeg 8 bit Y (not used):
|
|
// b 0.11400 * 256 = 29.184 = 29
|
|
// g 0.58700 * 256 = 150.272 = 150
|
|
// r 0.29900 * 256 = 76.544 = 77
|
|
// JPeg 7 bit Y:
|
|
// b 0.11400 * 128 = 14.592 = 15
|
|
// g 0.58700 * 128 = 75.136 = 75
|
|
// r 0.29900 * 128 = 38.272 = 38
|
|
// JPeg 8 bit U:
|
|
// b 0.50000 * 255 = 127.5 = 127
|
|
// g -0.33126 * 255 = -84.4713 = -84
|
|
// r -0.16874 * 255 = -43.0287 = -43
|
|
// JPeg 8 bit V:
|
|
// b -0.08131 * 255 = -20.73405 = -20
|
|
// g -0.41869 * 255 = -106.76595 = -107
|
|
// r 0.50000 * 255 = 127.5 = 127
|
|
|
|
static __inline int RGBToYJ(uint8 r, uint8 g, uint8 b) {
|
|
return (38 * r + 75 * g + 15 * b + 64) >> 7;
|
|
}
|
|
|
|
static __inline int RGBToUJ(uint8 r, uint8 g, uint8 b) {
|
|
return (127 * b - 84 * g - 43 * r + 0x8080) >> 8;
|
|
}
|
|
static __inline int RGBToVJ(uint8 r, uint8 g, uint8 b) {
|
|
return (127 * r - 107 * g - 20 * b + 0x8080) >> 8;
|
|
}
|
|
|
|
#define AVGB(a, b) (((a) + (b) + 1) >> 1)
|
|
|
|
#define MAKEROWYJ(NAME, R, G, B, BPP) \
|
|
void NAME ## ToYJRow_C(const uint8* src_argb0, uint8* dst_y, int width) { \
|
|
for (int x = 0; x < width; ++x) { \
|
|
dst_y[0] = RGBToYJ(src_argb0[R], src_argb0[G], src_argb0[B]); \
|
|
src_argb0 += BPP; \
|
|
dst_y += 1; \
|
|
} \
|
|
} \
|
|
void NAME ## ToUVJRow_C(const uint8* src_rgb0, int src_stride_rgb, \
|
|
uint8* dst_u, uint8* dst_v, int width) { \
|
|
const uint8* src_rgb1 = src_rgb0 + src_stride_rgb; \
|
|
for (int x = 0; x < width - 1; x += 2) { \
|
|
uint8 ab = AVGB(AVGB(src_rgb0[B], src_rgb1[B]), \
|
|
AVGB(src_rgb0[B + BPP], src_rgb1[B + BPP])); \
|
|
uint8 ag = AVGB(AVGB(src_rgb0[G], src_rgb1[G]), \
|
|
AVGB(src_rgb0[G + BPP], src_rgb1[G + BPP])); \
|
|
uint8 ar = AVGB(AVGB(src_rgb0[R], src_rgb1[R]), \
|
|
AVGB(src_rgb0[R + BPP], src_rgb1[R + BPP])); \
|
|
dst_u[0] = RGBToUJ(ar, ag, ab); \
|
|
dst_v[0] = RGBToVJ(ar, ag, ab); \
|
|
src_rgb0 += BPP * 2; \
|
|
src_rgb1 += BPP * 2; \
|
|
dst_u += 1; \
|
|
dst_v += 1; \
|
|
} \
|
|
if (width & 1) { \
|
|
uint8 ab = AVGB(src_rgb0[B], src_rgb1[B]); \
|
|
uint8 ag = AVGB(src_rgb0[G], src_rgb1[G]); \
|
|
uint8 ar = AVGB(src_rgb0[R], src_rgb1[R]); \
|
|
dst_u[0] = RGBToUJ(ar, ag, ab); \
|
|
dst_v[0] = RGBToVJ(ar, ag, ab); \
|
|
} \
|
|
}
|
|
|
|
MAKEROWYJ(ARGB, 2, 1, 0, 4)
|
|
#undef MAKEROWYJ
|
|
|
|
void RGB565ToYRow_C(const uint8* src_rgb565, uint8* dst_y, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_rgb565[0] & 0x1f;
|
|
uint8 g = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
|
|
uint8 r = src_rgb565[1] >> 3;
|
|
b = (b << 3) | (b >> 2);
|
|
g = (g << 2) | (g >> 4);
|
|
r = (r << 3) | (r >> 2);
|
|
dst_y[0] = RGBToY(r, g, b);
|
|
src_rgb565 += 2;
|
|
dst_y += 1;
|
|
}
|
|
}
|
|
|
|
void ARGB1555ToYRow_C(const uint8* src_argb1555, uint8* dst_y, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_argb1555[0] & 0x1f;
|
|
uint8 g = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
|
|
uint8 r = (src_argb1555[1] & 0x7c) >> 2;
|
|
b = (b << 3) | (b >> 2);
|
|
g = (g << 3) | (g >> 2);
|
|
r = (r << 3) | (r >> 2);
|
|
dst_y[0] = RGBToY(r, g, b);
|
|
src_argb1555 += 2;
|
|
dst_y += 1;
|
|
}
|
|
}
|
|
|
|
void ARGB4444ToYRow_C(const uint8* src_argb4444, uint8* dst_y, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 b = src_argb4444[0] & 0x0f;
|
|
uint8 g = src_argb4444[0] >> 4;
|
|
uint8 r = src_argb4444[1] & 0x0f;
|
|
b = (b << 4) | b;
|
|
g = (g << 4) | g;
|
|
r = (r << 4) | r;
|
|
dst_y[0] = RGBToY(r, g, b);
|
|
src_argb4444 += 2;
|
|
dst_y += 1;
|
|
}
|
|
}
|
|
|
|
void RGB565ToUVRow_C(const uint8* src_rgb565, int src_stride_rgb565,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
const uint8* next_rgb565 = src_rgb565 + src_stride_rgb565;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 b0 = src_rgb565[0] & 0x1f;
|
|
uint8 g0 = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
|
|
uint8 r0 = src_rgb565[1] >> 3;
|
|
uint8 b1 = src_rgb565[2] & 0x1f;
|
|
uint8 g1 = (src_rgb565[2] >> 5) | ((src_rgb565[3] & 0x07) << 3);
|
|
uint8 r1 = src_rgb565[3] >> 3;
|
|
uint8 b2 = next_rgb565[0] & 0x1f;
|
|
uint8 g2 = (next_rgb565[0] >> 5) | ((next_rgb565[1] & 0x07) << 3);
|
|
uint8 r2 = next_rgb565[1] >> 3;
|
|
uint8 b3 = next_rgb565[2] & 0x1f;
|
|
uint8 g3 = (next_rgb565[2] >> 5) | ((next_rgb565[3] & 0x07) << 3);
|
|
uint8 r3 = next_rgb565[3] >> 3;
|
|
uint8 b = (b0 + b1 + b2 + b3); // 565 * 4 = 787.
|
|
uint8 g = (g0 + g1 + g2 + g3);
|
|
uint8 r = (r0 + r1 + r2 + r3);
|
|
b = (b << 1) | (b >> 6); // 787 -> 888.
|
|
r = (r << 1) | (r >> 6);
|
|
dst_u[0] = RGBToU(r, g, b);
|
|
dst_v[0] = RGBToV(r, g, b);
|
|
src_rgb565 += 4;
|
|
next_rgb565 += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
if (width & 1) {
|
|
uint8 b0 = src_rgb565[0] & 0x1f;
|
|
uint8 g0 = (src_rgb565[0] >> 5) | ((src_rgb565[1] & 0x07) << 3);
|
|
uint8 r0 = src_rgb565[1] >> 3;
|
|
uint8 b2 = next_rgb565[0] & 0x1f;
|
|
uint8 g2 = (next_rgb565[0] >> 5) | ((next_rgb565[1] & 0x07) << 3);
|
|
uint8 r2 = next_rgb565[1] >> 3;
|
|
uint8 b = (b0 + b2); // 565 * 2 = 676.
|
|
uint8 g = (g0 + g2);
|
|
uint8 r = (r0 + r2);
|
|
b = (b << 2) | (b >> 4); // 676 -> 888
|
|
g = (g << 1) | (g >> 6);
|
|
r = (r << 2) | (r >> 4);
|
|
dst_u[0] = RGBToU(r, g, b);
|
|
dst_v[0] = RGBToV(r, g, b);
|
|
}
|
|
}
|
|
|
|
void ARGB1555ToUVRow_C(const uint8* src_argb1555, int src_stride_argb1555,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
const uint8* next_argb1555 = src_argb1555 + src_stride_argb1555;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 b0 = src_argb1555[0] & 0x1f;
|
|
uint8 g0 = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
|
|
uint8 r0 = (src_argb1555[1] & 0x7c) >> 2;
|
|
uint8 b1 = src_argb1555[2] & 0x1f;
|
|
uint8 g1 = (src_argb1555[2] >> 5) | ((src_argb1555[3] & 0x03) << 3);
|
|
uint8 r1 = (src_argb1555[3] & 0x7c) >> 2;
|
|
uint8 b2 = next_argb1555[0] & 0x1f;
|
|
uint8 g2 = (next_argb1555[0] >> 5) | ((next_argb1555[1] & 0x03) << 3);
|
|
uint8 r2 = (next_argb1555[1] & 0x7c) >> 2;
|
|
uint8 b3 = next_argb1555[2] & 0x1f;
|
|
uint8 g3 = (next_argb1555[2] >> 5) | ((next_argb1555[3] & 0x03) << 3);
|
|
uint8 r3 = (next_argb1555[3] & 0x7c) >> 2;
|
|
uint8 b = (b0 + b1 + b2 + b3); // 555 * 4 = 777.
|
|
uint8 g = (g0 + g1 + g2 + g3);
|
|
uint8 r = (r0 + r1 + r2 + r3);
|
|
b = (b << 1) | (b >> 6); // 777 -> 888.
|
|
g = (g << 1) | (g >> 6);
|
|
r = (r << 1) | (r >> 6);
|
|
dst_u[0] = RGBToU(r, g, b);
|
|
dst_v[0] = RGBToV(r, g, b);
|
|
src_argb1555 += 4;
|
|
next_argb1555 += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
if (width & 1) {
|
|
uint8 b0 = src_argb1555[0] & 0x1f;
|
|
uint8 g0 = (src_argb1555[0] >> 5) | ((src_argb1555[1] & 0x03) << 3);
|
|
uint8 r0 = (src_argb1555[1] & 0x7c) >> 2;
|
|
uint8 b2 = next_argb1555[0] & 0x1f;
|
|
uint8 g2 = (next_argb1555[0] >> 5) | ((next_argb1555[1] & 0x03) << 3);
|
|
uint8 r2 = next_argb1555[1] >> 3;
|
|
uint8 b = (b0 + b2); // 555 * 2 = 666.
|
|
uint8 g = (g0 + g2);
|
|
uint8 r = (r0 + r2);
|
|
b = (b << 2) | (b >> 4); // 666 -> 888.
|
|
g = (g << 2) | (g >> 4);
|
|
r = (r << 2) | (r >> 4);
|
|
dst_u[0] = RGBToU(r, g, b);
|
|
dst_v[0] = RGBToV(r, g, b);
|
|
}
|
|
}
|
|
|
|
void ARGB4444ToUVRow_C(const uint8* src_argb4444, int src_stride_argb4444,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
const uint8* next_argb4444 = src_argb4444 + src_stride_argb4444;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 b0 = src_argb4444[0] & 0x0f;
|
|
uint8 g0 = src_argb4444[0] >> 4;
|
|
uint8 r0 = src_argb4444[1] & 0x0f;
|
|
uint8 b1 = src_argb4444[2] & 0x0f;
|
|
uint8 g1 = src_argb4444[2] >> 4;
|
|
uint8 r1 = src_argb4444[3] & 0x0f;
|
|
uint8 b2 = next_argb4444[0] & 0x0f;
|
|
uint8 g2 = next_argb4444[0] >> 4;
|
|
uint8 r2 = next_argb4444[1] & 0x0f;
|
|
uint8 b3 = next_argb4444[2] & 0x0f;
|
|
uint8 g3 = next_argb4444[2] >> 4;
|
|
uint8 r3 = next_argb4444[3] & 0x0f;
|
|
uint8 b = (b0 + b1 + b2 + b3); // 444 * 4 = 666.
|
|
uint8 g = (g0 + g1 + g2 + g3);
|
|
uint8 r = (r0 + r1 + r2 + r3);
|
|
b = (b << 2) | (b >> 4); // 666 -> 888.
|
|
g = (g << 2) | (g >> 4);
|
|
r = (r << 2) | (r >> 4);
|
|
dst_u[0] = RGBToU(r, g, b);
|
|
dst_v[0] = RGBToV(r, g, b);
|
|
src_argb4444 += 4;
|
|
next_argb4444 += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
if (width & 1) {
|
|
uint8 b0 = src_argb4444[0] & 0x0f;
|
|
uint8 g0 = src_argb4444[0] >> 4;
|
|
uint8 r0 = src_argb4444[1] & 0x0f;
|
|
uint8 b2 = next_argb4444[0] & 0x0f;
|
|
uint8 g2 = next_argb4444[0] >> 4;
|
|
uint8 r2 = next_argb4444[1] & 0x0f;
|
|
uint8 b = (b0 + b2); // 444 * 2 = 555.
|
|
uint8 g = (g0 + g2);
|
|
uint8 r = (r0 + r2);
|
|
b = (b << 3) | (b >> 2); // 555 -> 888.
|
|
g = (g << 3) | (g >> 2);
|
|
r = (r << 3) | (r >> 2);
|
|
dst_u[0] = RGBToU(r, g, b);
|
|
dst_v[0] = RGBToV(r, g, b);
|
|
}
|
|
}
|
|
|
|
void ARGBToUV444Row_C(const uint8* src_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 ab = src_argb[0];
|
|
uint8 ag = src_argb[1];
|
|
uint8 ar = src_argb[2];
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
src_argb += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
void ARGBToUV422Row_C(const uint8* src_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 ab = (src_argb[0] + src_argb[4]) >> 1;
|
|
uint8 ag = (src_argb[1] + src_argb[5]) >> 1;
|
|
uint8 ar = (src_argb[2] + src_argb[6]) >> 1;
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
src_argb += 8;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
if (width & 1) {
|
|
uint8 ab = src_argb[0];
|
|
uint8 ag = src_argb[1];
|
|
uint8 ar = src_argb[2];
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
}
|
|
}
|
|
|
|
void ARGBToUV411Row_C(const uint8* src_argb,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
for (int x = 0; x < width - 3; x += 4) {
|
|
uint8 ab = (src_argb[0] + src_argb[4] + src_argb[8] + src_argb[12]) >> 2;
|
|
uint8 ag = (src_argb[1] + src_argb[5] + src_argb[9] + src_argb[13]) >> 2;
|
|
uint8 ar = (src_argb[2] + src_argb[6] + src_argb[10] + src_argb[14]) >> 2;
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
src_argb += 16;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
if ((width & 3) == 3) {
|
|
uint8 ab = (src_argb[0] + src_argb[4] + src_argb[8]) / 3;
|
|
uint8 ag = (src_argb[1] + src_argb[5] + src_argb[9]) / 3;
|
|
uint8 ar = (src_argb[2] + src_argb[6] + src_argb[10]) / 3;
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
} else if ((width & 3) == 2) {
|
|
uint8 ab = (src_argb[0] + src_argb[4]) >> 1;
|
|
uint8 ag = (src_argb[1] + src_argb[5]) >> 1;
|
|
uint8 ar = (src_argb[2] + src_argb[6]) >> 1;
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
} else if ((width & 3) == 1) {
|
|
uint8 ab = src_argb[0];
|
|
uint8 ag = src_argb[1];
|
|
uint8 ar = src_argb[2];
|
|
dst_u[0] = RGBToU(ar, ag, ab);
|
|
dst_v[0] = RGBToV(ar, ag, ab);
|
|
}
|
|
}
|
|
|
|
void ARGBGrayRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 y = RGBToYJ(src_argb[2], src_argb[1], src_argb[0]);
|
|
dst_argb[2] = dst_argb[1] = dst_argb[0] = y;
|
|
dst_argb[3] = src_argb[3];
|
|
dst_argb += 4;
|
|
src_argb += 4;
|
|
}
|
|
}
|
|
|
|
// Convert a row of image to Sepia tone.
|
|
void ARGBSepiaRow_C(uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
int b = dst_argb[0];
|
|
int g = dst_argb[1];
|
|
int r = dst_argb[2];
|
|
int sb = (b * 17 + g * 68 + r * 35) >> 7;
|
|
int sg = (b * 22 + g * 88 + r * 45) >> 7;
|
|
int sr = (b * 24 + g * 98 + r * 50) >> 7;
|
|
// b does not over flow. a is preserved from original.
|
|
dst_argb[0] = sb;
|
|
dst_argb[1] = clamp255(sg);
|
|
dst_argb[2] = clamp255(sr);
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
// Apply color matrix to a row of image. Matrix is signed.
|
|
void ARGBColorMatrixRow_C(uint8* dst_argb, const int8* matrix_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
int b = dst_argb[0];
|
|
int g = dst_argb[1];
|
|
int r = dst_argb[2];
|
|
int a = dst_argb[3];
|
|
int sb = (b * matrix_argb[0] + g * matrix_argb[1] +
|
|
r * matrix_argb[2] + a * matrix_argb[3]) >> 7;
|
|
int sg = (b * matrix_argb[4] + g * matrix_argb[5] +
|
|
r * matrix_argb[6] + a * matrix_argb[7]) >> 7;
|
|
int sr = (b * matrix_argb[8] + g * matrix_argb[9] +
|
|
r * matrix_argb[10] + a * matrix_argb[11]) >> 7;
|
|
dst_argb[0] = Clamp(sb);
|
|
dst_argb[1] = Clamp(sg);
|
|
dst_argb[2] = Clamp(sr);
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
// Apply color table to a row of image.
|
|
void ARGBColorTableRow_C(uint8* dst_argb, const uint8* table_argb, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
int b = dst_argb[0];
|
|
int g = dst_argb[1];
|
|
int r = dst_argb[2];
|
|
int a = dst_argb[3];
|
|
dst_argb[0] = table_argb[b * 4 + 0];
|
|
dst_argb[1] = table_argb[g * 4 + 1];
|
|
dst_argb[2] = table_argb[r * 4 + 2];
|
|
dst_argb[3] = table_argb[a * 4 + 3];
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
void ARGBQuantizeRow_C(uint8* dst_argb, int scale, int interval_size,
|
|
int interval_offset, int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
int b = dst_argb[0];
|
|
int g = dst_argb[1];
|
|
int r = dst_argb[2];
|
|
dst_argb[0] = (b * scale >> 16) * interval_size + interval_offset;
|
|
dst_argb[1] = (g * scale >> 16) * interval_size + interval_offset;
|
|
dst_argb[2] = (r * scale >> 16) * interval_size + interval_offset;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
#define REPEAT8(v) (v) | ((v) << 8)
|
|
#define SHADE(f, v) v * f >> 24
|
|
|
|
void ARGBShadeRow_C(const uint8* src_argb, uint8* dst_argb, int width,
|
|
uint32 value) {
|
|
const uint32 b_scale = REPEAT8(value & 0xff);
|
|
const uint32 g_scale = REPEAT8((value >> 8) & 0xff);
|
|
const uint32 r_scale = REPEAT8((value >> 16) & 0xff);
|
|
const uint32 a_scale = REPEAT8(value >> 24);
|
|
|
|
for (int i = 0; i < width; ++i) {
|
|
const uint32 b = REPEAT8(src_argb[0]);
|
|
const uint32 g = REPEAT8(src_argb[1]);
|
|
const uint32 r = REPEAT8(src_argb[2]);
|
|
const uint32 a = REPEAT8(src_argb[3]);
|
|
dst_argb[0] = SHADE(b, b_scale);
|
|
dst_argb[1] = SHADE(g, g_scale);
|
|
dst_argb[2] = SHADE(r, r_scale);
|
|
dst_argb[3] = SHADE(a, a_scale);
|
|
src_argb += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
#undef REPEAT8
|
|
#undef SHADE
|
|
|
|
#define REPEAT8(v) (v) | ((v) << 8)
|
|
#define SHADE(f, v) v * f >> 16
|
|
|
|
void ARGBMultiplyRow_C(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
const uint32 b = REPEAT8(src_argb0[0]);
|
|
const uint32 g = REPEAT8(src_argb0[1]);
|
|
const uint32 r = REPEAT8(src_argb0[2]);
|
|
const uint32 a = REPEAT8(src_argb0[3]);
|
|
const uint32 b_scale = src_argb1[0];
|
|
const uint32 g_scale = src_argb1[1];
|
|
const uint32 r_scale = src_argb1[2];
|
|
const uint32 a_scale = src_argb1[3];
|
|
dst_argb[0] = SHADE(b, b_scale);
|
|
dst_argb[1] = SHADE(g, g_scale);
|
|
dst_argb[2] = SHADE(r, r_scale);
|
|
dst_argb[3] = SHADE(a, a_scale);
|
|
src_argb0 += 4;
|
|
src_argb1 += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
#undef REPEAT8
|
|
#undef SHADE
|
|
|
|
#define SHADE(f, v) clamp255(v + f)
|
|
|
|
void ARGBAddRow_C(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
const int b = src_argb0[0];
|
|
const int g = src_argb0[1];
|
|
const int r = src_argb0[2];
|
|
const int a = src_argb0[3];
|
|
const int b_add = src_argb1[0];
|
|
const int g_add = src_argb1[1];
|
|
const int r_add = src_argb1[2];
|
|
const int a_add = src_argb1[3];
|
|
dst_argb[0] = SHADE(b, b_add);
|
|
dst_argb[1] = SHADE(g, g_add);
|
|
dst_argb[2] = SHADE(r, r_add);
|
|
dst_argb[3] = SHADE(a, a_add);
|
|
src_argb0 += 4;
|
|
src_argb1 += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
#undef SHADE
|
|
|
|
#define SHADE(f, v) clamp0(f - v)
|
|
|
|
void ARGBSubtractRow_C(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
const int b = src_argb0[0];
|
|
const int g = src_argb0[1];
|
|
const int r = src_argb0[2];
|
|
const int a = src_argb0[3];
|
|
const int b_sub = src_argb1[0];
|
|
const int g_sub = src_argb1[1];
|
|
const int r_sub = src_argb1[2];
|
|
const int a_sub = src_argb1[3];
|
|
dst_argb[0] = SHADE(b, b_sub);
|
|
dst_argb[1] = SHADE(g, g_sub);
|
|
dst_argb[2] = SHADE(r, r_sub);
|
|
dst_argb[3] = SHADE(a, a_sub);
|
|
src_argb0 += 4;
|
|
src_argb1 += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
#undef SHADE
|
|
|
|
// Sobel functions which mimics SSSE3.
|
|
void SobelXRow_C(const uint8* src_y0, const uint8* src_y1, const uint8* src_y2,
|
|
uint8* dst_sobelx, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
int a = src_y0[i];
|
|
int b = src_y1[i];
|
|
int c = src_y2[i];
|
|
int a_sub = src_y0[i + 2];
|
|
int b_sub = src_y1[i + 2];
|
|
int c_sub = src_y2[i + 2];
|
|
int a_diff = a - a_sub;
|
|
int b_diff = b - b_sub;
|
|
int c_diff = c - c_sub;
|
|
int sobel = Abs(a_diff + b_diff * 2 + c_diff);
|
|
dst_sobelx[i] = static_cast<uint8>(clamp255(sobel));
|
|
}
|
|
}
|
|
|
|
void SobelYRow_C(const uint8* src_y0, const uint8* src_y1,
|
|
uint8* dst_sobely, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
int a = src_y0[i + 0];
|
|
int b = src_y0[i + 1];
|
|
int c = src_y0[i + 2];
|
|
int a_sub = src_y1[i + 0];
|
|
int b_sub = src_y1[i + 1];
|
|
int c_sub = src_y1[i + 2];
|
|
int a_diff = a - a_sub;
|
|
int b_diff = b - b_sub;
|
|
int c_diff = c - c_sub;
|
|
int sobel = Abs(a_diff + b_diff * 2 + c_diff);
|
|
dst_sobely[i] = static_cast<uint8>(clamp255(sobel));
|
|
}
|
|
}
|
|
|
|
void SobelRow_C(const uint8* src_sobelx, const uint8* src_sobely,
|
|
uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
int r = src_sobelx[i];
|
|
int b = src_sobely[i];
|
|
int s = clamp255(r + b);
|
|
dst_argb[0] = static_cast<uint8>(s);
|
|
dst_argb[1] = static_cast<uint8>(s);
|
|
dst_argb[2] = static_cast<uint8>(s);
|
|
dst_argb[3] = static_cast<uint8>(255u);
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
void SobelXYRow_C(const uint8* src_sobelx, const uint8* src_sobely,
|
|
uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
int r = src_sobelx[i];
|
|
int b = src_sobely[i];
|
|
int g = clamp255(r + b);
|
|
dst_argb[0] = static_cast<uint8>(b);
|
|
dst_argb[1] = static_cast<uint8>(g);
|
|
dst_argb[2] = static_cast<uint8>(r);
|
|
dst_argb[3] = static_cast<uint8>(255u);
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
void I400ToARGBRow_C(const uint8* src_y, uint8* dst_argb, int width) {
|
|
// Copy a Y to RGB.
|
|
for (int x = 0; x < width; ++x) {
|
|
uint8 y = src_y[0];
|
|
dst_argb[2] = dst_argb[1] = dst_argb[0] = y;
|
|
dst_argb[3] = 255u;
|
|
dst_argb += 4;
|
|
++src_y;
|
|
}
|
|
}
|
|
|
|
// C reference code that mimics the YUV assembly.
|
|
|
|
#define YG 74 /* static_cast<int8>(1.164 * 64 + 0.5) */
|
|
|
|
#define UB 127 /* min(63,static_cast<int8>(2.018 * 64)) */
|
|
#define UG -25 /* static_cast<int8>(-0.391 * 64 - 0.5) */
|
|
#define UR 0
|
|
|
|
#define VB 0
|
|
#define VG -52 /* static_cast<int8>(-0.813 * 64 - 0.5) */
|
|
#define VR 102 /* static_cast<int8>(1.596 * 64 + 0.5) */
|
|
|
|
// Bias
|
|
#define BB UB * 128 + VB * 128
|
|
#define BG UG * 128 + VG * 128
|
|
#define BR UR * 128 + VR * 128
|
|
|
|
static __inline void YuvPixel(uint8 y, uint8 u, uint8 v,
|
|
uint8* b, uint8* g, uint8* r) {
|
|
int32 y1 = (static_cast<int32>(y) - 16) * YG;
|
|
*b = Clamp(static_cast<int32>((u * UB + v * VB) - (BB) + y1) >> 6);
|
|
*g = Clamp(static_cast<int32>((u * UG + v * VG) - (BG) + y1) >> 6);
|
|
*r = Clamp(static_cast<int32>((u * UR + v * VR) - (BR) + y1) >> 6);
|
|
}
|
|
|
|
#if !defined(LIBYUV_DISABLE_NEON) && \
|
|
(defined(__ARM_NEON__) || defined(LIBYUV_NEON))
|
|
// C mimic assembly.
|
|
// TODO(fbarchard): Remove subsampling from Neon.
|
|
void I444ToARGBRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint8 u = (src_u[0] + src_u[1] + 1) >> 1;
|
|
uint8 v = (src_v[0] + src_v[1] + 1) >> 1;
|
|
YuvPixel(src_y[0], u, v, rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], u, v, rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_y += 2;
|
|
src_u += 2;
|
|
src_v += 2;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
}
|
|
}
|
|
#else
|
|
void I444ToARGBRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width; ++x) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
src_y += 1;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 4; // Advance 1 pixel.
|
|
}
|
|
}
|
|
#endif
|
|
// Also used for 420
|
|
void I422ToARGBRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void I422ToRGB24Row_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 3, rgb_buf + 4, rgb_buf + 5);
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 6; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
}
|
|
}
|
|
|
|
void I422ToRAWRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 2, rgb_buf + 1, rgb_buf + 0);
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 5, rgb_buf + 4, rgb_buf + 3);
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 6; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 2, rgb_buf + 1, rgb_buf + 0);
|
|
}
|
|
}
|
|
|
|
void I422ToARGB4444Row_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* dst_argb4444,
|
|
int width) {
|
|
uint8 b0;
|
|
uint8 g0;
|
|
uint8 r0;
|
|
uint8 b1;
|
|
uint8 g1;
|
|
uint8 r1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0);
|
|
YuvPixel(src_y[1], src_u[0], src_v[0], &b1, &g1, &r1);
|
|
b0 = b0 >> 4;
|
|
g0 = g0 >> 4;
|
|
r0 = r0 >> 4;
|
|
b1 = b1 >> 4;
|
|
g1 = g1 >> 4;
|
|
r1 = r1 >> 4;
|
|
*reinterpret_cast<uint32*>(dst_argb4444) = b0 | (g0 << 4) | (r0 << 8) |
|
|
(b1 << 16) | (g1 << 20) | (r1 << 24) | 0xf000f000;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
dst_argb4444 += 4; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0);
|
|
b0 = b0 >> 4;
|
|
g0 = g0 >> 4;
|
|
r0 = r0 >> 4;
|
|
*reinterpret_cast<uint16*>(dst_argb4444) = b0 | (g0 << 4) | (r0 << 8) |
|
|
0xf000;
|
|
}
|
|
}
|
|
|
|
void I422ToARGB1555Row_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* dst_argb1555,
|
|
int width) {
|
|
uint8 b0;
|
|
uint8 g0;
|
|
uint8 r0;
|
|
uint8 b1;
|
|
uint8 g1;
|
|
uint8 r1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0);
|
|
YuvPixel(src_y[1], src_u[0], src_v[0], &b1, &g1, &r1);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 3;
|
|
r0 = r0 >> 3;
|
|
b1 = b1 >> 3;
|
|
g1 = g1 >> 3;
|
|
r1 = r1 >> 3;
|
|
*reinterpret_cast<uint32*>(dst_argb1555) = b0 | (g0 << 5) | (r0 << 10) |
|
|
(b1 << 16) | (g1 << 21) | (r1 << 26) | 0x80008000;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
dst_argb1555 += 4; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 3;
|
|
r0 = r0 >> 3;
|
|
*reinterpret_cast<uint16*>(dst_argb1555) = b0 | (g0 << 5) | (r0 << 10) |
|
|
0x8000;
|
|
}
|
|
}
|
|
|
|
void I422ToRGB565Row_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* dst_rgb565,
|
|
int width) {
|
|
uint8 b0;
|
|
uint8 g0;
|
|
uint8 r0;
|
|
uint8 b1;
|
|
uint8 g1;
|
|
uint8 r1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0);
|
|
YuvPixel(src_y[1], src_u[0], src_v[0], &b1, &g1, &r1);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 2;
|
|
r0 = r0 >> 3;
|
|
b1 = b1 >> 3;
|
|
g1 = g1 >> 2;
|
|
r1 = r1 >> 3;
|
|
*reinterpret_cast<uint32*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11) |
|
|
(b1 << 16) | (g1 << 21) | (r1 << 27);
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
dst_rgb565 += 4; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0], &b0, &g0, &r0);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 2;
|
|
r0 = r0 >> 3;
|
|
*reinterpret_cast<uint16*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11);
|
|
}
|
|
}
|
|
|
|
void I411ToARGBRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 3; x += 4) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
YuvPixel(src_y[2], src_u[0], src_v[0],
|
|
rgb_buf + 8, rgb_buf + 9, rgb_buf + 10);
|
|
rgb_buf[11] = 255;
|
|
YuvPixel(src_y[3], src_u[0], src_v[0],
|
|
rgb_buf + 12, rgb_buf + 13, rgb_buf + 14);
|
|
rgb_buf[15] = 255;
|
|
src_y += 4;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 16; // Advance 4 pixels.
|
|
}
|
|
if (width & 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_y += 2;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void NV12ToARGBRow_C(const uint8* src_y,
|
|
const uint8* usrc_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], usrc_v[0], usrc_v[1],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], usrc_v[0], usrc_v[1],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_y += 2;
|
|
usrc_v += 2;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], usrc_v[0], usrc_v[1],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void NV21ToARGBRow_C(const uint8* src_y,
|
|
const uint8* src_vu,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_vu[1], src_vu[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
|
|
YuvPixel(src_y[1], src_vu[1], src_vu[0],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
|
|
src_y += 2;
|
|
src_vu += 2;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_vu[1], src_vu[0],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void NV12ToRGB565Row_C(const uint8* src_y,
|
|
const uint8* usrc_v,
|
|
uint8* dst_rgb565,
|
|
int width) {
|
|
uint8 b0;
|
|
uint8 g0;
|
|
uint8 r0;
|
|
uint8 b1;
|
|
uint8 g1;
|
|
uint8 r1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], usrc_v[0], usrc_v[1], &b0, &g0, &r0);
|
|
YuvPixel(src_y[1], usrc_v[0], usrc_v[1], &b1, &g1, &r1);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 2;
|
|
r0 = r0 >> 3;
|
|
b1 = b1 >> 3;
|
|
g1 = g1 >> 2;
|
|
r1 = r1 >> 3;
|
|
*reinterpret_cast<uint32*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11) |
|
|
(b1 << 16) | (g1 << 21) | (r1 << 27);
|
|
src_y += 2;
|
|
usrc_v += 2;
|
|
dst_rgb565 += 4; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], usrc_v[0], usrc_v[1], &b0, &g0, &r0);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 2;
|
|
r0 = r0 >> 3;
|
|
*reinterpret_cast<uint16*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11);
|
|
}
|
|
}
|
|
|
|
void NV21ToRGB565Row_C(const uint8* src_y,
|
|
const uint8* vsrc_u,
|
|
uint8* dst_rgb565,
|
|
int width) {
|
|
uint8 b0;
|
|
uint8 g0;
|
|
uint8 r0;
|
|
uint8 b1;
|
|
uint8 g1;
|
|
uint8 r1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], vsrc_u[1], vsrc_u[0], &b0, &g0, &r0);
|
|
YuvPixel(src_y[1], vsrc_u[1], vsrc_u[0], &b1, &g1, &r1);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 2;
|
|
r0 = r0 >> 3;
|
|
b1 = b1 >> 3;
|
|
g1 = g1 >> 2;
|
|
r1 = r1 >> 3;
|
|
*reinterpret_cast<uint32*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11) |
|
|
(b1 << 16) | (g1 << 21) | (r1 << 27);
|
|
src_y += 2;
|
|
vsrc_u += 2;
|
|
dst_rgb565 += 4; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], vsrc_u[1], vsrc_u[0], &b0, &g0, &r0);
|
|
b0 = b0 >> 3;
|
|
g0 = g0 >> 2;
|
|
r0 = r0 >> 3;
|
|
*reinterpret_cast<uint16*>(dst_rgb565) = b0 | (g0 << 5) | (r0 << 11);
|
|
}
|
|
}
|
|
|
|
void YUY2ToARGBRow_C(const uint8* src_yuy2,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_yuy2[0], src_yuy2[1], src_yuy2[3],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_yuy2[2], src_yuy2[1], src_yuy2[3],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_yuy2 += 4;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_yuy2[0], src_yuy2[1], src_yuy2[3],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void UYVYToARGBRow_C(const uint8* src_uyvy,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_uyvy[1], src_uyvy[0], src_uyvy[2],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_uyvy[3], src_uyvy[0], src_uyvy[2],
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_uyvy += 4;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_uyvy[1], src_uyvy[0], src_uyvy[2],
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void I422ToBGRARow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 3, rgb_buf + 2, rgb_buf + 1);
|
|
rgb_buf[0] = 255;
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 7, rgb_buf + 6, rgb_buf + 5);
|
|
rgb_buf[4] = 255;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 3, rgb_buf + 2, rgb_buf + 1);
|
|
rgb_buf[0] = 255;
|
|
}
|
|
}
|
|
|
|
void I422ToABGRRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 2, rgb_buf + 1, rgb_buf + 0);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 6, rgb_buf + 5, rgb_buf + 4);
|
|
rgb_buf[7] = 255;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 2, rgb_buf + 1, rgb_buf + 0);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void I422ToRGBARow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 1, rgb_buf + 2, rgb_buf + 3);
|
|
rgb_buf[0] = 255;
|
|
YuvPixel(src_y[1], src_u[0], src_v[0],
|
|
rgb_buf + 5, rgb_buf + 6, rgb_buf + 7);
|
|
rgb_buf[4] = 255;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], src_u[0], src_v[0],
|
|
rgb_buf + 1, rgb_buf + 2, rgb_buf + 3);
|
|
rgb_buf[0] = 255;
|
|
}
|
|
}
|
|
|
|
void YToARGBRow_C(const uint8* src_y, uint8* rgb_buf, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
YuvPixel(src_y[0], 128, 128,
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
YuvPixel(src_y[1], 128, 128,
|
|
rgb_buf + 4, rgb_buf + 5, rgb_buf + 6);
|
|
rgb_buf[7] = 255;
|
|
src_y += 2;
|
|
rgb_buf += 8; // Advance 2 pixels.
|
|
}
|
|
if (width & 1) {
|
|
YuvPixel(src_y[0], 128, 128,
|
|
rgb_buf + 0, rgb_buf + 1, rgb_buf + 2);
|
|
rgb_buf[3] = 255;
|
|
}
|
|
}
|
|
|
|
void MirrorRow_C(const uint8* src, uint8* dst, int width) {
|
|
src += width - 1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst[x] = src[0];
|
|
dst[x + 1] = src[-1];
|
|
src -= 2;
|
|
}
|
|
if (width & 1) {
|
|
dst[width - 1] = src[0];
|
|
}
|
|
}
|
|
|
|
void MirrorUVRow_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
|
|
src_uv += (width - 1) << 1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_u[x] = src_uv[0];
|
|
dst_u[x + 1] = src_uv[-2];
|
|
dst_v[x] = src_uv[1];
|
|
dst_v[x + 1] = src_uv[-2 + 1];
|
|
src_uv -= 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_u[width - 1] = src_uv[0];
|
|
dst_v[width - 1] = src_uv[1];
|
|
}
|
|
}
|
|
|
|
void ARGBMirrorRow_C(const uint8* src, uint8* dst, int width) {
|
|
const uint32* src32 = reinterpret_cast<const uint32*>(src);
|
|
uint32* dst32 = reinterpret_cast<uint32*>(dst);
|
|
src32 += width - 1;
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst32[x] = src32[0];
|
|
dst32[x + 1] = src32[-1];
|
|
src32 -= 2;
|
|
}
|
|
if (width & 1) {
|
|
dst32[width - 1] = src32[0];
|
|
}
|
|
}
|
|
|
|
void SplitUVRow_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_u[x] = src_uv[0];
|
|
dst_u[x + 1] = src_uv[2];
|
|
dst_v[x] = src_uv[1];
|
|
dst_v[x + 1] = src_uv[3];
|
|
src_uv += 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_u[width - 1] = src_uv[0];
|
|
dst_v[width - 1] = src_uv[1];
|
|
}
|
|
}
|
|
|
|
void MergeUVRow_C(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
|
|
int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_uv[0] = src_u[x];
|
|
dst_uv[1] = src_v[x];
|
|
dst_uv[2] = src_u[x + 1];
|
|
dst_uv[3] = src_v[x + 1];
|
|
dst_uv += 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_uv[0] = src_u[width - 1];
|
|
dst_uv[1] = src_v[width - 1];
|
|
}
|
|
}
|
|
|
|
void CopyRow_C(const uint8* src, uint8* dst, int count) {
|
|
memcpy(dst, src, count);
|
|
}
|
|
|
|
void SetRow_C(uint8* dst, uint32 v8, int count) {
|
|
#ifdef _MSC_VER
|
|
// VC will generate rep stosb.
|
|
for (int x = 0; x < count; ++x) {
|
|
dst[x] = v8;
|
|
}
|
|
#else
|
|
memset(dst, v8, count);
|
|
#endif
|
|
}
|
|
|
|
void ARGBSetRows_C(uint8* dst, uint32 v32, int width,
|
|
int dst_stride, int height) {
|
|
for (int y = 0; y < height; ++y) {
|
|
uint32* d = reinterpret_cast<uint32*>(dst);
|
|
for (int x = 0; x < width; ++x) {
|
|
d[x] = v32;
|
|
}
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
|
|
// Filter 2 rows of YUY2 UV's (422) into U and V (420).
|
|
void YUY2ToUVRow_C(const uint8* src_yuy2, int src_stride_yuy2,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
// Output a row of UV values, filtering 2 rows of YUY2.
|
|
for (int x = 0; x < width; x += 2) {
|
|
dst_u[0] = (src_yuy2[1] + src_yuy2[src_stride_yuy2 + 1] + 1) >> 1;
|
|
dst_v[0] = (src_yuy2[3] + src_yuy2[src_stride_yuy2 + 3] + 1) >> 1;
|
|
src_yuy2 += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
// Copy row of YUY2 UV's (422) into U and V (422).
|
|
void YUY2ToUV422Row_C(const uint8* src_yuy2,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
// Output a row of UV values.
|
|
for (int x = 0; x < width; x += 2) {
|
|
dst_u[0] = src_yuy2[1];
|
|
dst_v[0] = src_yuy2[3];
|
|
src_yuy2 += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
// Copy row of YUY2 Y's (422) into Y (420/422).
|
|
void YUY2ToYRow_C(const uint8* src_yuy2, uint8* dst_y, int width) {
|
|
// Output a row of Y values.
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_y[x] = src_yuy2[0];
|
|
dst_y[x + 1] = src_yuy2[2];
|
|
src_yuy2 += 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_y[width - 1] = src_yuy2[0];
|
|
}
|
|
}
|
|
|
|
// Filter 2 rows of UYVY UV's (422) into U and V (420).
|
|
void UYVYToUVRow_C(const uint8* src_uyvy, int src_stride_uyvy,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
// Output a row of UV values.
|
|
for (int x = 0; x < width; x += 2) {
|
|
dst_u[0] = (src_uyvy[0] + src_uyvy[src_stride_uyvy + 0] + 1) >> 1;
|
|
dst_v[0] = (src_uyvy[2] + src_uyvy[src_stride_uyvy + 2] + 1) >> 1;
|
|
src_uyvy += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
// Copy row of UYVY UV's (422) into U and V (422).
|
|
void UYVYToUV422Row_C(const uint8* src_uyvy,
|
|
uint8* dst_u, uint8* dst_v, int width) {
|
|
// Output a row of UV values.
|
|
for (int x = 0; x < width; x += 2) {
|
|
dst_u[0] = src_uyvy[0];
|
|
dst_v[0] = src_uyvy[2];
|
|
src_uyvy += 4;
|
|
dst_u += 1;
|
|
dst_v += 1;
|
|
}
|
|
}
|
|
|
|
// Copy row of UYVY Y's (422) into Y (420/422).
|
|
void UYVYToYRow_C(const uint8* src_uyvy, uint8* dst_y, int width) {
|
|
// Output a row of Y values.
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_y[x] = src_uyvy[1];
|
|
dst_y[x + 1] = src_uyvy[3];
|
|
src_uyvy += 4;
|
|
}
|
|
if (width & 1) {
|
|
dst_y[width - 1] = src_uyvy[1];
|
|
}
|
|
}
|
|
|
|
#define BLEND(f, b, a) (((256 - a) * b) >> 8) + f
|
|
|
|
// Blend src_argb0 over src_argb1 and store to dst_argb.
|
|
// dst_argb may be src_argb0 or src_argb1.
|
|
// This code mimics the SSSE3 version for better testability.
|
|
void ARGBBlendRow_C(const uint8* src_argb0, const uint8* src_argb1,
|
|
uint8* dst_argb, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
uint32 fb = src_argb0[0];
|
|
uint32 fg = src_argb0[1];
|
|
uint32 fr = src_argb0[2];
|
|
uint32 a = src_argb0[3];
|
|
uint32 bb = src_argb1[0];
|
|
uint32 bg = src_argb1[1];
|
|
uint32 br = src_argb1[2];
|
|
dst_argb[0] = BLEND(fb, bb, a);
|
|
dst_argb[1] = BLEND(fg, bg, a);
|
|
dst_argb[2] = BLEND(fr, br, a);
|
|
dst_argb[3] = 255u;
|
|
|
|
fb = src_argb0[4 + 0];
|
|
fg = src_argb0[4 + 1];
|
|
fr = src_argb0[4 + 2];
|
|
a = src_argb0[4 + 3];
|
|
bb = src_argb1[4 + 0];
|
|
bg = src_argb1[4 + 1];
|
|
br = src_argb1[4 + 2];
|
|
dst_argb[4 + 0] = BLEND(fb, bb, a);
|
|
dst_argb[4 + 1] = BLEND(fg, bg, a);
|
|
dst_argb[4 + 2] = BLEND(fr, br, a);
|
|
dst_argb[4 + 3] = 255u;
|
|
src_argb0 += 8;
|
|
src_argb1 += 8;
|
|
dst_argb += 8;
|
|
}
|
|
|
|
if (width & 1) {
|
|
uint32 fb = src_argb0[0];
|
|
uint32 fg = src_argb0[1];
|
|
uint32 fr = src_argb0[2];
|
|
uint32 a = src_argb0[3];
|
|
uint32 bb = src_argb1[0];
|
|
uint32 bg = src_argb1[1];
|
|
uint32 br = src_argb1[2];
|
|
dst_argb[0] = BLEND(fb, bb, a);
|
|
dst_argb[1] = BLEND(fg, bg, a);
|
|
dst_argb[2] = BLEND(fr, br, a);
|
|
dst_argb[3] = 255u;
|
|
}
|
|
}
|
|
#undef BLEND
|
|
#define ATTENUATE(f, a) (a | (a << 8)) * (f | (f << 8)) >> 24
|
|
|
|
// Multiply source RGB by alpha and store to destination.
|
|
// This code mimics the SSSE3 version for better testability.
|
|
void ARGBAttenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width - 1; i += 2) {
|
|
uint32 b = src_argb[0];
|
|
uint32 g = src_argb[1];
|
|
uint32 r = src_argb[2];
|
|
uint32 a = src_argb[3];
|
|
dst_argb[0] = ATTENUATE(b, a);
|
|
dst_argb[1] = ATTENUATE(g, a);
|
|
dst_argb[2] = ATTENUATE(r, a);
|
|
dst_argb[3] = a;
|
|
b = src_argb[4];
|
|
g = src_argb[5];
|
|
r = src_argb[6];
|
|
a = src_argb[7];
|
|
dst_argb[4] = ATTENUATE(b, a);
|
|
dst_argb[5] = ATTENUATE(g, a);
|
|
dst_argb[6] = ATTENUATE(r, a);
|
|
dst_argb[7] = a;
|
|
src_argb += 8;
|
|
dst_argb += 8;
|
|
}
|
|
|
|
if (width & 1) {
|
|
const uint32 b = src_argb[0];
|
|
const uint32 g = src_argb[1];
|
|
const uint32 r = src_argb[2];
|
|
const uint32 a = src_argb[3];
|
|
dst_argb[0] = ATTENUATE(b, a);
|
|
dst_argb[1] = ATTENUATE(g, a);
|
|
dst_argb[2] = ATTENUATE(r, a);
|
|
dst_argb[3] = a;
|
|
}
|
|
}
|
|
#undef ATTENUATE
|
|
|
|
// Divide source RGB by alpha and store to destination.
|
|
// b = (b * 255 + (a / 2)) / a;
|
|
// g = (g * 255 + (a / 2)) / a;
|
|
// r = (r * 255 + (a / 2)) / a;
|
|
// Reciprocal method is off by 1 on some values. ie 125
|
|
// 8.8 fixed point inverse table with 1.0 in upper short and 1 / a in lower.
|
|
#define T(a) 0x01000000 + (0x10000 / a)
|
|
uint32 fixed_invtbl8[256] = {
|
|
0x01000000, 0x0100ffff, T(0x02), T(0x03), T(0x04), T(0x05), T(0x06), T(0x07),
|
|
T(0x08), T(0x09), T(0x0a), T(0x0b), T(0x0c), T(0x0d), T(0x0e), T(0x0f),
|
|
T(0x10), T(0x11), T(0x12), T(0x13), T(0x14), T(0x15), T(0x16), T(0x17),
|
|
T(0x18), T(0x19), T(0x1a), T(0x1b), T(0x1c), T(0x1d), T(0x1e), T(0x1f),
|
|
T(0x20), T(0x21), T(0x22), T(0x23), T(0x24), T(0x25), T(0x26), T(0x27),
|
|
T(0x28), T(0x29), T(0x2a), T(0x2b), T(0x2c), T(0x2d), T(0x2e), T(0x2f),
|
|
T(0x30), T(0x31), T(0x32), T(0x33), T(0x34), T(0x35), T(0x36), T(0x37),
|
|
T(0x38), T(0x39), T(0x3a), T(0x3b), T(0x3c), T(0x3d), T(0x3e), T(0x3f),
|
|
T(0x40), T(0x41), T(0x42), T(0x43), T(0x44), T(0x45), T(0x46), T(0x47),
|
|
T(0x48), T(0x49), T(0x4a), T(0x4b), T(0x4c), T(0x4d), T(0x4e), T(0x4f),
|
|
T(0x50), T(0x51), T(0x52), T(0x53), T(0x54), T(0x55), T(0x56), T(0x57),
|
|
T(0x58), T(0x59), T(0x5a), T(0x5b), T(0x5c), T(0x5d), T(0x5e), T(0x5f),
|
|
T(0x60), T(0x61), T(0x62), T(0x63), T(0x64), T(0x65), T(0x66), T(0x67),
|
|
T(0x68), T(0x69), T(0x6a), T(0x6b), T(0x6c), T(0x6d), T(0x6e), T(0x6f),
|
|
T(0x70), T(0x71), T(0x72), T(0x73), T(0x74), T(0x75), T(0x76), T(0x77),
|
|
T(0x78), T(0x79), T(0x7a), T(0x7b), T(0x7c), T(0x7d), T(0x7e), T(0x7f),
|
|
T(0x80), T(0x81), T(0x82), T(0x83), T(0x84), T(0x85), T(0x86), T(0x87),
|
|
T(0x88), T(0x89), T(0x8a), T(0x8b), T(0x8c), T(0x8d), T(0x8e), T(0x8f),
|
|
T(0x90), T(0x91), T(0x92), T(0x93), T(0x94), T(0x95), T(0x96), T(0x97),
|
|
T(0x98), T(0x99), T(0x9a), T(0x9b), T(0x9c), T(0x9d), T(0x9e), T(0x9f),
|
|
T(0xa0), T(0xa1), T(0xa2), T(0xa3), T(0xa4), T(0xa5), T(0xa6), T(0xa7),
|
|
T(0xa8), T(0xa9), T(0xaa), T(0xab), T(0xac), T(0xad), T(0xae), T(0xaf),
|
|
T(0xb0), T(0xb1), T(0xb2), T(0xb3), T(0xb4), T(0xb5), T(0xb6), T(0xb7),
|
|
T(0xb8), T(0xb9), T(0xba), T(0xbb), T(0xbc), T(0xbd), T(0xbe), T(0xbf),
|
|
T(0xc0), T(0xc1), T(0xc2), T(0xc3), T(0xc4), T(0xc5), T(0xc6), T(0xc7),
|
|
T(0xc8), T(0xc9), T(0xca), T(0xcb), T(0xcc), T(0xcd), T(0xce), T(0xcf),
|
|
T(0xd0), T(0xd1), T(0xd2), T(0xd3), T(0xd4), T(0xd5), T(0xd6), T(0xd7),
|
|
T(0xd8), T(0xd9), T(0xda), T(0xdb), T(0xdc), T(0xdd), T(0xde), T(0xdf),
|
|
T(0xe0), T(0xe1), T(0xe2), T(0xe3), T(0xe4), T(0xe5), T(0xe6), T(0xe7),
|
|
T(0xe8), T(0xe9), T(0xea), T(0xeb), T(0xec), T(0xed), T(0xee), T(0xef),
|
|
T(0xf0), T(0xf1), T(0xf2), T(0xf3), T(0xf4), T(0xf5), T(0xf6), T(0xf7),
|
|
T(0xf8), T(0xf9), T(0xfa), T(0xfb), T(0xfc), T(0xfd), T(0xfe), 0x01000100 };
|
|
#undef T
|
|
|
|
void ARGBUnattenuateRow_C(const uint8* src_argb, uint8* dst_argb, int width) {
|
|
for (int i = 0; i < width; ++i) {
|
|
uint32 b = src_argb[0];
|
|
uint32 g = src_argb[1];
|
|
uint32 r = src_argb[2];
|
|
const uint32 a = src_argb[3];
|
|
const uint32 ia = fixed_invtbl8[a] & 0xffff; // 8.8 fixed point
|
|
b = (b * ia) >> 8;
|
|
g = (g * ia) >> 8;
|
|
r = (r * ia) >> 8;
|
|
// Clamping should not be necessary but is free in assembly.
|
|
dst_argb[0] = clamp255(b);
|
|
dst_argb[1] = clamp255(g);
|
|
dst_argb[2] = clamp255(r);
|
|
dst_argb[3] = a;
|
|
src_argb += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
void ComputeCumulativeSumRow_C(const uint8* row, int32* cumsum,
|
|
const int32* previous_cumsum, int width) {
|
|
int32 row_sum[4] = {0, 0, 0, 0};
|
|
for (int x = 0; x < width; ++x) {
|
|
row_sum[0] += row[x * 4 + 0];
|
|
row_sum[1] += row[x * 4 + 1];
|
|
row_sum[2] += row[x * 4 + 2];
|
|
row_sum[3] += row[x * 4 + 3];
|
|
cumsum[x * 4 + 0] = row_sum[0] + previous_cumsum[x * 4 + 0];
|
|
cumsum[x * 4 + 1] = row_sum[1] + previous_cumsum[x * 4 + 1];
|
|
cumsum[x * 4 + 2] = row_sum[2] + previous_cumsum[x * 4 + 2];
|
|
cumsum[x * 4 + 3] = row_sum[3] + previous_cumsum[x * 4 + 3];
|
|
}
|
|
}
|
|
|
|
void CumulativeSumToAverageRow_C(const int32* tl, const int32* bl,
|
|
int w, int area, uint8* dst, int count) {
|
|
float ooa = 1.0f / area;
|
|
for (int i = 0; i < count; ++i) {
|
|
dst[0] = static_cast<uint8>((bl[w + 0] + tl[0] - bl[0] - tl[w + 0]) * ooa);
|
|
dst[1] = static_cast<uint8>((bl[w + 1] + tl[1] - bl[1] - tl[w + 1]) * ooa);
|
|
dst[2] = static_cast<uint8>((bl[w + 2] + tl[2] - bl[2] - tl[w + 2]) * ooa);
|
|
dst[3] = static_cast<uint8>((bl[w + 3] + tl[3] - bl[3] - tl[w + 3]) * ooa);
|
|
dst += 4;
|
|
tl += 4;
|
|
bl += 4;
|
|
}
|
|
}
|
|
|
|
// Copy pixels from rotated source to destination row with a slope.
|
|
LIBYUV_API
|
|
void ARGBAffineRow_C(const uint8* src_argb, int src_argb_stride,
|
|
uint8* dst_argb, const float* uv_dudv, int width) {
|
|
// Render a row of pixels from source into a buffer.
|
|
float uv[2];
|
|
uv[0] = uv_dudv[0];
|
|
uv[1] = uv_dudv[1];
|
|
for (int i = 0; i < width; ++i) {
|
|
int x = static_cast<int>(uv[0]);
|
|
int y = static_cast<int>(uv[1]);
|
|
*reinterpret_cast<uint32*>(dst_argb) =
|
|
*reinterpret_cast<const uint32*>(src_argb + y * src_argb_stride +
|
|
x * 4);
|
|
dst_argb += 4;
|
|
uv[0] += uv_dudv[2];
|
|
uv[1] += uv_dudv[3];
|
|
}
|
|
}
|
|
|
|
// C version 2x2 -> 2x1.
|
|
void InterpolateRow_C(uint8* dst_ptr, const uint8* src_ptr,
|
|
ptrdiff_t src_stride,
|
|
int width, int source_y_fraction) {
|
|
int y1_fraction = source_y_fraction;
|
|
int y0_fraction = 256 - y1_fraction;
|
|
const uint8* src_ptr1 = src_ptr + src_stride;
|
|
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_ptr[0] = (src_ptr[0] * y0_fraction + src_ptr1[0] * y1_fraction) >> 8;
|
|
dst_ptr[1] = (src_ptr[1] * y0_fraction + src_ptr1[1] * y1_fraction) >> 8;
|
|
src_ptr += 2;
|
|
src_ptr1 += 2;
|
|
dst_ptr += 2;
|
|
}
|
|
if (width & 1) {
|
|
dst_ptr[0] = (src_ptr[0] * y0_fraction + src_ptr1[0] * y1_fraction) >> 8;
|
|
}
|
|
}
|
|
|
|
// Blend 2 rows into 1 for conversions such as I422ToI420.
|
|
void HalfRow_C(const uint8* src_uv, int src_uv_stride,
|
|
uint8* dst_uv, int pix) {
|
|
for (int x = 0; x < pix; ++x) {
|
|
dst_uv[x] = (src_uv[x] + src_uv[src_uv_stride + x] + 1) >> 1;
|
|
}
|
|
}
|
|
|
|
// Select 2 channels from ARGB on alternating pixels. e.g. BGBGBGBG
|
|
void ARGBToBayerRow_C(const uint8* src_argb,
|
|
uint8* dst_bayer, uint32 selector, int pix) {
|
|
int index0 = selector & 0xff;
|
|
int index1 = (selector >> 8) & 0xff;
|
|
// Copy a row of Bayer.
|
|
for (int x = 0; x < pix - 1; x += 2) {
|
|
dst_bayer[0] = src_argb[index0];
|
|
dst_bayer[1] = src_argb[index1];
|
|
src_argb += 8;
|
|
dst_bayer += 2;
|
|
}
|
|
if (pix & 1) {
|
|
dst_bayer[0] = src_argb[index0];
|
|
}
|
|
}
|
|
|
|
// Use first 4 shuffler values to reorder ARGB channels.
|
|
void ARGBShuffleRow_C(const uint8* src_argb, uint8* dst_argb,
|
|
const uint8* shuffler, int pix) {
|
|
int index0 = shuffler[0];
|
|
int index1 = shuffler[1];
|
|
int index2 = shuffler[2];
|
|
int index3 = shuffler[3];
|
|
// Shuffle a row of ARGB.
|
|
for (int x = 0; x < pix; ++x) {
|
|
// To support in-place conversion.
|
|
uint8 b = src_argb[index0];
|
|
uint8 g = src_argb[index1];
|
|
uint8 r = src_argb[index2];
|
|
uint8 a = src_argb[index3];
|
|
dst_argb[0] = b;
|
|
dst_argb[1] = g;
|
|
dst_argb[2] = r;
|
|
dst_argb[3] = a;
|
|
src_argb += 4;
|
|
dst_argb += 4;
|
|
}
|
|
}
|
|
|
|
void I422ToYUY2Row_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* dst_frame, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_frame[0] = src_y[0];
|
|
dst_frame[1] = src_u[0];
|
|
dst_frame[2] = src_y[1];
|
|
dst_frame[3] = src_v[0];
|
|
dst_frame += 4;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
}
|
|
if (width & 1) {
|
|
dst_frame[0] = src_y[0];
|
|
dst_frame[1] = src_u[0];
|
|
dst_frame[2] = src_y[0]; // duplicate last y
|
|
dst_frame[3] = src_v[0];
|
|
}
|
|
}
|
|
|
|
void I422ToUYVYRow_C(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* dst_frame, int width) {
|
|
for (int x = 0; x < width - 1; x += 2) {
|
|
dst_frame[0] = src_u[0];
|
|
dst_frame[1] = src_y[0];
|
|
dst_frame[2] = src_v[0];
|
|
dst_frame[3] = src_y[1];
|
|
dst_frame += 4;
|
|
src_y += 2;
|
|
src_u += 1;
|
|
src_v += 1;
|
|
}
|
|
if (width & 1) {
|
|
dst_frame[0] = src_u[0];
|
|
dst_frame[1] = src_y[0];
|
|
dst_frame[2] = src_v[0];
|
|
dst_frame[3] = src_y[0]; // duplicate last y
|
|
}
|
|
}
|
|
|
|
#if !defined(LIBYUV_DISABLE_X86)
|
|
// row_win.cc has asm version, but GCC uses 2 step wrapper. 5% slower.
|
|
// TODO(fbarchard): Handle width > kMaxStride here instead of calling code.
|
|
#if defined(__x86_64__) || defined(__i386__)
|
|
void I422ToRGB565Row_SSSE3(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
I422ToARGBRow_SSSE3(src_y, src_u, src_v, row, width);
|
|
ARGBToRGB565Row_SSE2(row, rgb_buf, width);
|
|
}
|
|
#endif // defined(__x86_64__) || defined(__i386__)
|
|
|
|
#if defined(_M_IX86) || defined(__x86_64__) || defined(__i386__)
|
|
void I422ToARGB1555Row_SSSE3(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
I422ToARGBRow_SSSE3(src_y, src_u, src_v, row, width);
|
|
ARGBToARGB1555Row_SSE2(row, rgb_buf, width);
|
|
}
|
|
|
|
void I422ToARGB4444Row_SSSE3(const uint8* src_y,
|
|
const uint8* src_u,
|
|
const uint8* src_v,
|
|
uint8* rgb_buf,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
I422ToARGBRow_SSSE3(src_y, src_u, src_v, row, width);
|
|
ARGBToARGB4444Row_SSE2(row, rgb_buf, width);
|
|
}
|
|
|
|
void NV12ToRGB565Row_SSSE3(const uint8* src_y,
|
|
const uint8* src_uv,
|
|
uint8* dst_rgb565,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
NV12ToARGBRow_SSSE3(src_y, src_uv, row, width);
|
|
ARGBToRGB565Row_SSE2(row, dst_rgb565, width);
|
|
}
|
|
|
|
void NV21ToRGB565Row_SSSE3(const uint8* src_y,
|
|
const uint8* src_vu,
|
|
uint8* dst_rgb565,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row[kMaxStride]);
|
|
NV21ToARGBRow_SSSE3(src_y, src_vu, row, width);
|
|
ARGBToRGB565Row_SSE2(row, dst_rgb565, width);
|
|
}
|
|
|
|
void YUY2ToARGBRow_SSSE3(const uint8* src_yuy2,
|
|
uint8* dst_argb,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row_y[kMaxStride]);
|
|
SIMD_ALIGNED(uint8 row_u[kMaxStride / 2]);
|
|
SIMD_ALIGNED(uint8 row_v[kMaxStride / 2]);
|
|
YUY2ToUV422Row_SSE2(src_yuy2, row_u, row_v, width);
|
|
YUY2ToYRow_SSE2(src_yuy2, row_y, width);
|
|
I422ToARGBRow_SSSE3(row_y, row_u, row_v, dst_argb, width);
|
|
}
|
|
|
|
void YUY2ToARGBRow_Unaligned_SSSE3(const uint8* src_yuy2,
|
|
uint8* dst_argb,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row_y[kMaxStride]);
|
|
SIMD_ALIGNED(uint8 row_u[kMaxStride / 2]);
|
|
SIMD_ALIGNED(uint8 row_v[kMaxStride / 2]);
|
|
YUY2ToUV422Row_Unaligned_SSE2(src_yuy2, row_u, row_v, width);
|
|
YUY2ToYRow_Unaligned_SSE2(src_yuy2, row_y, width);
|
|
I422ToARGBRow_Unaligned_SSSE3(row_y, row_u, row_v, dst_argb, width);
|
|
}
|
|
|
|
void UYVYToARGBRow_SSSE3(const uint8* src_uyvy,
|
|
uint8* dst_argb,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row_y[kMaxStride]);
|
|
SIMD_ALIGNED(uint8 row_u[kMaxStride / 2]);
|
|
SIMD_ALIGNED(uint8 row_v[kMaxStride / 2]);
|
|
UYVYToUV422Row_SSE2(src_uyvy, row_u, row_v, width);
|
|
UYVYToYRow_SSE2(src_uyvy, row_y, width);
|
|
I422ToARGBRow_SSSE3(row_y, row_u, row_v, dst_argb, width);
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|
}
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|
|
|
void UYVYToARGBRow_Unaligned_SSSE3(const uint8* src_uyvy,
|
|
uint8* dst_argb,
|
|
int width) {
|
|
SIMD_ALIGNED(uint8 row_y[kMaxStride]);
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|
SIMD_ALIGNED(uint8 row_u[kMaxStride / 2]);
|
|
SIMD_ALIGNED(uint8 row_v[kMaxStride / 2]);
|
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UYVYToUV422Row_Unaligned_SSE2(src_uyvy, row_u, row_v, width);
|
|
UYVYToYRow_Unaligned_SSE2(src_uyvy, row_y, width);
|
|
I422ToARGBRow_Unaligned_SSSE3(row_y, row_u, row_v, dst_argb, width);
|
|
}
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|
|
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#endif // defined(_M_IX86) || defined(__x86_64__) || defined(__i386__)
|
|
#endif // !defined(LIBYUV_DISABLE_X86)
|
|
#undef clamp0
|
|
#undef clamp255
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|