1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libyuv/source/convert_from_argb.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1096 @@
1.4 +/*
1.5 + * Copyright 2012 The LibYuv Project Authors. All rights reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#include "libyuv/convert_from_argb.h"
1.15 +
1.16 +#include "libyuv/basic_types.h"
1.17 +#include "libyuv/cpu_id.h"
1.18 +#include "libyuv/format_conversion.h"
1.19 +#include "libyuv/planar_functions.h"
1.20 +#include "libyuv/row.h"
1.21 +
1.22 +#ifdef __cplusplus
1.23 +namespace libyuv {
1.24 +extern "C" {
1.25 +#endif
1.26 +
1.27 +// ARGB little endian (bgra in memory) to I444
1.28 +LIBYUV_API
1.29 +int ARGBToI444(const uint8* src_argb, int src_stride_argb,
1.30 + uint8* dst_y, int dst_stride_y,
1.31 + uint8* dst_u, int dst_stride_u,
1.32 + uint8* dst_v, int dst_stride_v,
1.33 + int width, int height) {
1.34 + if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
1.35 + return -1;
1.36 + }
1.37 + if (height < 0) {
1.38 + height = -height;
1.39 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.40 + src_stride_argb = -src_stride_argb;
1.41 + }
1.42 + // Coalesce rows.
1.43 + if (src_stride_argb == width * 4 &&
1.44 + dst_stride_y == width &&
1.45 + dst_stride_u == width &&
1.46 + dst_stride_v == width) {
1.47 + width *= height;
1.48 + height = 1;
1.49 + src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
1.50 + }
1.51 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.52 + ARGBToYRow_C;
1.53 + void (*ARGBToUV444Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
1.54 + int pix) = ARGBToUV444Row_C;
1.55 +#if defined(HAS_ARGBTOUV444ROW_SSSE3)
1.56 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.57 + ARGBToUV444Row = ARGBToUV444Row_Any_SSSE3;
1.58 + if (IS_ALIGNED(width, 16)) {
1.59 + ARGBToUV444Row = ARGBToUV444Row_Unaligned_SSSE3;
1.60 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.61 + ARGBToUV444Row = ARGBToUV444Row_SSSE3;
1.62 + }
1.63 + }
1.64 + }
1.65 +#endif
1.66 +#if defined(HAS_ARGBTOYROW_SSSE3)
1.67 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.68 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.69 + if (IS_ALIGNED(width, 16)) {
1.70 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.71 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
1.72 + IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
1.73 + ARGBToYRow = ARGBToYRow_SSSE3;
1.74 + }
1.75 + }
1.76 + }
1.77 +
1.78 +#elif defined(HAS_ARGBTOYROW_NEON)
1.79 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.80 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.81 + ARGBToUV444Row = ARGBToUV444Row_Any_NEON;
1.82 + if (IS_ALIGNED(width, 8)) {
1.83 + ARGBToYRow = ARGBToYRow_NEON;
1.84 + ARGBToUV444Row = ARGBToUV444Row_NEON;
1.85 + }
1.86 + }
1.87 +#endif
1.88 +
1.89 + for (int y = 0; y < height; ++y) {
1.90 + ARGBToUV444Row(src_argb, dst_u, dst_v, width);
1.91 + ARGBToYRow(src_argb, dst_y, width);
1.92 + src_argb += src_stride_argb;
1.93 + dst_y += dst_stride_y;
1.94 + dst_u += dst_stride_u;
1.95 + dst_v += dst_stride_v;
1.96 + }
1.97 + return 0;
1.98 +}
1.99 +
1.100 +// ARGB little endian (bgra in memory) to I422
1.101 +LIBYUV_API
1.102 +int ARGBToI422(const uint8* src_argb, int src_stride_argb,
1.103 + uint8* dst_y, int dst_stride_y,
1.104 + uint8* dst_u, int dst_stride_u,
1.105 + uint8* dst_v, int dst_stride_v,
1.106 + int width, int height) {
1.107 + if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
1.108 + return -1;
1.109 + }
1.110 + if (height < 0) {
1.111 + height = -height;
1.112 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.113 + src_stride_argb = -src_stride_argb;
1.114 + }
1.115 + // Coalesce rows.
1.116 + if (src_stride_argb == width * 4 &&
1.117 + dst_stride_y == width &&
1.118 + dst_stride_u * 2 == width &&
1.119 + dst_stride_v * 2 == width) {
1.120 + width *= height;
1.121 + height = 1;
1.122 + src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
1.123 + }
1.124 + void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
1.125 + int pix) = ARGBToUV422Row_C;
1.126 +#if defined(HAS_ARGBTOUV422ROW_SSSE3)
1.127 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.128 + ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
1.129 + if (IS_ALIGNED(width, 16)) {
1.130 + ARGBToUV422Row = ARGBToUV422Row_Unaligned_SSSE3;
1.131 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.132 + ARGBToUV422Row = ARGBToUV422Row_SSSE3;
1.133 + }
1.134 + }
1.135 + }
1.136 +#endif
1.137 +
1.138 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.139 + ARGBToYRow_C;
1.140 +#if defined(HAS_ARGBTOYROW_SSSE3)
1.141 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.142 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.143 + if (IS_ALIGNED(width, 16)) {
1.144 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.145 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
1.146 + IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
1.147 + ARGBToYRow = ARGBToYRow_SSSE3;
1.148 + }
1.149 + }
1.150 + }
1.151 +#elif defined(HAS_ARGBTOYROW_NEON)
1.152 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.153 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.154 + if (IS_ALIGNED(width, 8)) {
1.155 + ARGBToYRow = ARGBToYRow_NEON;
1.156 + }
1.157 + if (width >= 16) {
1.158 + ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
1.159 + if (IS_ALIGNED(width, 16)) {
1.160 + ARGBToUV422Row = ARGBToUV422Row_NEON;
1.161 + }
1.162 + }
1.163 + }
1.164 +#endif
1.165 +
1.166 + for (int y = 0; y < height; ++y) {
1.167 + ARGBToUV422Row(src_argb, dst_u, dst_v, width);
1.168 + ARGBToYRow(src_argb, dst_y, width);
1.169 + src_argb += src_stride_argb;
1.170 + dst_y += dst_stride_y;
1.171 + dst_u += dst_stride_u;
1.172 + dst_v += dst_stride_v;
1.173 + }
1.174 + return 0;
1.175 +}
1.176 +
1.177 +// ARGB little endian (bgra in memory) to I411
1.178 +LIBYUV_API
1.179 +int ARGBToI411(const uint8* src_argb, int src_stride_argb,
1.180 + uint8* dst_y, int dst_stride_y,
1.181 + uint8* dst_u, int dst_stride_u,
1.182 + uint8* dst_v, int dst_stride_v,
1.183 + int width, int height) {
1.184 + if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
1.185 + return -1;
1.186 + }
1.187 + if (height < 0) {
1.188 + height = -height;
1.189 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.190 + src_stride_argb = -src_stride_argb;
1.191 + }
1.192 + // Coalesce rows.
1.193 + if (src_stride_argb == width * 4 &&
1.194 + dst_stride_y == width &&
1.195 + dst_stride_u * 4 == width &&
1.196 + dst_stride_v * 4 == width) {
1.197 + width *= height;
1.198 + height = 1;
1.199 + src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
1.200 + }
1.201 + void (*ARGBToUV411Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
1.202 + int pix) = ARGBToUV411Row_C;
1.203 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.204 + ARGBToYRow_C;
1.205 +#if defined(HAS_ARGBTOYROW_SSSE3)
1.206 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.207 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.208 + if (IS_ALIGNED(width, 16)) {
1.209 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.210 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
1.211 + IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
1.212 + ARGBToYRow = ARGBToYRow_SSSE3;
1.213 + }
1.214 + }
1.215 + }
1.216 +#endif
1.217 +#if defined(HAS_ARGBTOYROW_AVX2)
1.218 + if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
1.219 + ARGBToYRow = ARGBToYRow_Any_AVX2;
1.220 + if (IS_ALIGNED(width, 32)) {
1.221 + ARGBToYRow = ARGBToYRow_AVX2;
1.222 + }
1.223 + }
1.224 +#endif
1.225 +#if defined(HAS_ARGBTOYROW_NEON)
1.226 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.227 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.228 + if (IS_ALIGNED(width, 8)) {
1.229 + ARGBToYRow = ARGBToYRow_NEON;
1.230 + }
1.231 + if (width >= 32) {
1.232 + ARGBToUV411Row = ARGBToUV411Row_Any_NEON;
1.233 + if (IS_ALIGNED(width, 32)) {
1.234 + ARGBToUV411Row = ARGBToUV411Row_NEON;
1.235 + }
1.236 + }
1.237 + }
1.238 +#endif
1.239 +
1.240 + for (int y = 0; y < height; ++y) {
1.241 + ARGBToUV411Row(src_argb, dst_u, dst_v, width);
1.242 + ARGBToYRow(src_argb, dst_y, width);
1.243 + src_argb += src_stride_argb;
1.244 + dst_y += dst_stride_y;
1.245 + dst_u += dst_stride_u;
1.246 + dst_v += dst_stride_v;
1.247 + }
1.248 + return 0;
1.249 +}
1.250 +
1.251 +LIBYUV_API
1.252 +int ARGBToNV12(const uint8* src_argb, int src_stride_argb,
1.253 + uint8* dst_y, int dst_stride_y,
1.254 + uint8* dst_uv, int dst_stride_uv,
1.255 + int width, int height) {
1.256 + if (!src_argb ||
1.257 + !dst_y || !dst_uv ||
1.258 + width <= 0 || height == 0) {
1.259 + return -1;
1.260 + }
1.261 + // Negative height means invert the image.
1.262 + if (height < 0) {
1.263 + height = -height;
1.264 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.265 + src_stride_argb = -src_stride_argb;
1.266 + }
1.267 + void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
1.268 + uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
1.269 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.270 + ARGBToYRow_C;
1.271 +#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
1.272 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.273 + ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
1.274 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.275 + if (IS_ALIGNED(width, 16)) {
1.276 + ARGBToUVRow = ARGBToUVRow_Unaligned_SSSE3;
1.277 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.278 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.279 + ARGBToUVRow = ARGBToUVRow_SSSE3;
1.280 + if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
1.281 + ARGBToYRow = ARGBToYRow_SSSE3;
1.282 + }
1.283 + }
1.284 + }
1.285 + }
1.286 +#elif defined(HAS_ARGBTOYROW_NEON)
1.287 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.288 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.289 + if (IS_ALIGNED(width, 8)) {
1.290 + ARGBToYRow = ARGBToYRow_NEON;
1.291 + }
1.292 + if (width >= 16) {
1.293 + ARGBToUVRow = ARGBToUVRow_Any_NEON;
1.294 + if (IS_ALIGNED(width, 16)) {
1.295 + ARGBToUVRow = ARGBToUVRow_NEON;
1.296 + }
1.297 + }
1.298 + }
1.299 +#endif
1.300 + int halfwidth = (width + 1) >> 1;
1.301 + void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
1.302 + int width) = MergeUVRow_C;
1.303 +#if defined(HAS_MERGEUVROW_SSE2)
1.304 + if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
1.305 + MergeUVRow_ = MergeUVRow_Any_SSE2;
1.306 + if (IS_ALIGNED(halfwidth, 16)) {
1.307 + MergeUVRow_ = MergeUVRow_Unaligned_SSE2;
1.308 + if (IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
1.309 + MergeUVRow_ = MergeUVRow_SSE2;
1.310 + }
1.311 + }
1.312 + }
1.313 +#endif
1.314 +#if defined(HAS_MERGEUVROW_AVX2)
1.315 + if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
1.316 + MergeUVRow_ = MergeUVRow_Any_AVX2;
1.317 + if (IS_ALIGNED(halfwidth, 32)) {
1.318 + MergeUVRow_ = MergeUVRow_AVX2;
1.319 + }
1.320 + }
1.321 +#endif
1.322 +#if defined(HAS_MERGEUVROW_NEON)
1.323 + if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
1.324 + MergeUVRow_ = MergeUVRow_Any_NEON;
1.325 + if (IS_ALIGNED(halfwidth, 16)) {
1.326 + MergeUVRow_ = MergeUVRow_NEON;
1.327 + }
1.328 + }
1.329 +#endif
1.330 +
1.331 + // Allocate a rows of uv.
1.332 + align_buffer_64(row_u, ((halfwidth + 15) & ~15) * 2);
1.333 + uint8* row_v = row_u + ((halfwidth + 15) & ~15);
1.334 +
1.335 + for (int y = 0; y < height - 1; y += 2) {
1.336 + ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
1.337 + MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
1.338 + ARGBToYRow(src_argb, dst_y, width);
1.339 + ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
1.340 + src_argb += src_stride_argb * 2;
1.341 + dst_y += dst_stride_y * 2;
1.342 + dst_uv += dst_stride_uv;
1.343 + }
1.344 + if (height & 1) {
1.345 + ARGBToUVRow(src_argb, 0, row_u, row_v, width);
1.346 + MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
1.347 + ARGBToYRow(src_argb, dst_y, width);
1.348 + }
1.349 + free_aligned_buffer_64(row_u);
1.350 + return 0;
1.351 +}
1.352 +
1.353 +// Same as NV12 but U and V swapped.
1.354 +LIBYUV_API
1.355 +int ARGBToNV21(const uint8* src_argb, int src_stride_argb,
1.356 + uint8* dst_y, int dst_stride_y,
1.357 + uint8* dst_uv, int dst_stride_uv,
1.358 + int width, int height) {
1.359 + if (!src_argb ||
1.360 + !dst_y || !dst_uv ||
1.361 + width <= 0 || height == 0) {
1.362 + return -1;
1.363 + }
1.364 + // Negative height means invert the image.
1.365 + if (height < 0) {
1.366 + height = -height;
1.367 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.368 + src_stride_argb = -src_stride_argb;
1.369 + }
1.370 + void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
1.371 + uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
1.372 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.373 + ARGBToYRow_C;
1.374 +#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
1.375 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.376 + ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
1.377 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.378 + if (IS_ALIGNED(width, 16)) {
1.379 + ARGBToUVRow = ARGBToUVRow_Unaligned_SSSE3;
1.380 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.381 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.382 + ARGBToUVRow = ARGBToUVRow_SSSE3;
1.383 + if (IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
1.384 + ARGBToYRow = ARGBToYRow_SSSE3;
1.385 + }
1.386 + }
1.387 + }
1.388 + }
1.389 +#elif defined(HAS_ARGBTOYROW_NEON)
1.390 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.391 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.392 + if (IS_ALIGNED(width, 8)) {
1.393 + ARGBToYRow = ARGBToYRow_NEON;
1.394 + }
1.395 + if (width >= 16) {
1.396 + ARGBToUVRow = ARGBToUVRow_Any_NEON;
1.397 + if (IS_ALIGNED(width, 16)) {
1.398 + ARGBToUVRow = ARGBToUVRow_NEON;
1.399 + }
1.400 + }
1.401 + }
1.402 +#endif
1.403 + int halfwidth = (width + 1) >> 1;
1.404 + void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
1.405 + int width) = MergeUVRow_C;
1.406 +#if defined(HAS_MERGEUVROW_SSE2)
1.407 + if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
1.408 + MergeUVRow_ = MergeUVRow_Any_SSE2;
1.409 + if (IS_ALIGNED(halfwidth, 16)) {
1.410 + MergeUVRow_ = MergeUVRow_Unaligned_SSE2;
1.411 + if (IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
1.412 + MergeUVRow_ = MergeUVRow_SSE2;
1.413 + }
1.414 + }
1.415 + }
1.416 +#endif
1.417 +#if defined(HAS_MERGEUVROW_AVX2)
1.418 + if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
1.419 + MergeUVRow_ = MergeUVRow_Any_AVX2;
1.420 + if (IS_ALIGNED(halfwidth, 32)) {
1.421 + MergeUVRow_ = MergeUVRow_AVX2;
1.422 + }
1.423 + }
1.424 +#endif
1.425 +#if defined(HAS_MERGEUVROW_NEON)
1.426 + if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
1.427 + MergeUVRow_ = MergeUVRow_Any_NEON;
1.428 + if (IS_ALIGNED(halfwidth, 16)) {
1.429 + MergeUVRow_ = MergeUVRow_NEON;
1.430 + }
1.431 + }
1.432 +#endif
1.433 +
1.434 + // Allocate a rows of uv.
1.435 + align_buffer_64(row_u, ((halfwidth + 15) & ~15) * 2);
1.436 + uint8* row_v = row_u + ((halfwidth + 15) & ~15);
1.437 +
1.438 + for (int y = 0; y < height - 1; y += 2) {
1.439 + ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
1.440 + MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
1.441 + ARGBToYRow(src_argb, dst_y, width);
1.442 + ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
1.443 + src_argb += src_stride_argb * 2;
1.444 + dst_y += dst_stride_y * 2;
1.445 + dst_uv += dst_stride_uv;
1.446 + }
1.447 + if (height & 1) {
1.448 + ARGBToUVRow(src_argb, 0, row_u, row_v, width);
1.449 + MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
1.450 + ARGBToYRow(src_argb, dst_y, width);
1.451 + }
1.452 + free_aligned_buffer_64(row_u);
1.453 + return 0;
1.454 +}
1.455 +
1.456 +// Convert ARGB to YUY2.
1.457 +LIBYUV_API
1.458 +int ARGBToYUY2(const uint8* src_argb, int src_stride_argb,
1.459 + uint8* dst_yuy2, int dst_stride_yuy2,
1.460 + int width, int height) {
1.461 + if (!src_argb || !dst_yuy2 ||
1.462 + width <= 0 || height == 0) {
1.463 + return -1;
1.464 + }
1.465 + // Negative height means invert the image.
1.466 + if (height < 0) {
1.467 + height = -height;
1.468 + dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
1.469 + dst_stride_yuy2 = -dst_stride_yuy2;
1.470 + }
1.471 + // Coalesce rows.
1.472 + if (src_stride_argb == width * 4 &&
1.473 + dst_stride_yuy2 == width * 2) {
1.474 + width *= height;
1.475 + height = 1;
1.476 + src_stride_argb = dst_stride_yuy2 = 0;
1.477 + }
1.478 + void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
1.479 + int pix) = ARGBToUV422Row_C;
1.480 +#if defined(HAS_ARGBTOUV422ROW_SSSE3)
1.481 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.482 + ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
1.483 + if (IS_ALIGNED(width, 16)) {
1.484 + ARGBToUV422Row = ARGBToUV422Row_Unaligned_SSSE3;
1.485 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.486 + ARGBToUV422Row = ARGBToUV422Row_SSSE3;
1.487 + }
1.488 + }
1.489 + }
1.490 +#endif
1.491 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.492 + ARGBToYRow_C;
1.493 +#if defined(HAS_ARGBTOYROW_SSSE3)
1.494 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.495 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.496 + if (IS_ALIGNED(width, 16)) {
1.497 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.498 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.499 + ARGBToYRow = ARGBToYRow_SSSE3;
1.500 + }
1.501 + }
1.502 + }
1.503 +#elif defined(HAS_ARGBTOYROW_NEON)
1.504 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.505 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.506 + if (IS_ALIGNED(width, 8)) {
1.507 + ARGBToYRow = ARGBToYRow_NEON;
1.508 + }
1.509 + if (width >= 16) {
1.510 + ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
1.511 + if (IS_ALIGNED(width, 16)) {
1.512 + ARGBToUV422Row = ARGBToUV422Row_NEON;
1.513 + }
1.514 + }
1.515 + }
1.516 +#endif
1.517 +
1.518 + void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
1.519 + const uint8* src_v, uint8* dst_yuy2, int width) =
1.520 + I422ToYUY2Row_C;
1.521 +#if defined(HAS_I422TOYUY2ROW_SSE2)
1.522 + if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
1.523 + I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
1.524 + if (IS_ALIGNED(width, 16)) {
1.525 + I422ToYUY2Row = I422ToYUY2Row_SSE2;
1.526 + }
1.527 + }
1.528 +#elif defined(HAS_I422TOYUY2ROW_NEON)
1.529 + if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
1.530 + I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
1.531 + if (IS_ALIGNED(width, 16)) {
1.532 + I422ToYUY2Row = I422ToYUY2Row_NEON;
1.533 + }
1.534 + }
1.535 +#endif
1.536 +
1.537 + // Allocate a rows of yuv.
1.538 + align_buffer_64(row_y, ((width + 63) & ~63) * 2);
1.539 + uint8* row_u = row_y + ((width + 63) & ~63);
1.540 + uint8* row_v = row_u + ((width + 63) & ~63) / 2;
1.541 +
1.542 + for (int y = 0; y < height; ++y) {
1.543 + ARGBToUV422Row(src_argb, row_u, row_v, width);
1.544 + ARGBToYRow(src_argb, row_y, width);
1.545 + I422ToYUY2Row(row_y, row_u, row_v, dst_yuy2, width);
1.546 + src_argb += src_stride_argb;
1.547 + dst_yuy2 += dst_stride_yuy2;
1.548 + }
1.549 +
1.550 + free_aligned_buffer_64(row_y);
1.551 + return 0;
1.552 +}
1.553 +
1.554 +// Convert ARGB to UYVY.
1.555 +LIBYUV_API
1.556 +int ARGBToUYVY(const uint8* src_argb, int src_stride_argb,
1.557 + uint8* dst_uyvy, int dst_stride_uyvy,
1.558 + int width, int height) {
1.559 + if (!src_argb || !dst_uyvy ||
1.560 + width <= 0 || height == 0) {
1.561 + return -1;
1.562 + }
1.563 + // Negative height means invert the image.
1.564 + if (height < 0) {
1.565 + height = -height;
1.566 + dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
1.567 + dst_stride_uyvy = -dst_stride_uyvy;
1.568 + }
1.569 + // Coalesce rows.
1.570 + if (src_stride_argb == width * 4 &&
1.571 + dst_stride_uyvy == width * 2) {
1.572 + width *= height;
1.573 + height = 1;
1.574 + src_stride_argb = dst_stride_uyvy = 0;
1.575 + }
1.576 + void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
1.577 + int pix) = ARGBToUV422Row_C;
1.578 +#if defined(HAS_ARGBTOUV422ROW_SSSE3)
1.579 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.580 + ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
1.581 + if (IS_ALIGNED(width, 16)) {
1.582 + ARGBToUV422Row = ARGBToUV422Row_Unaligned_SSSE3;
1.583 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.584 + ARGBToUV422Row = ARGBToUV422Row_SSSE3;
1.585 + }
1.586 + }
1.587 + }
1.588 +#endif
1.589 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.590 + ARGBToYRow_C;
1.591 +#if defined(HAS_ARGBTOYROW_SSSE3)
1.592 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.593 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.594 + if (IS_ALIGNED(width, 16)) {
1.595 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.596 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.597 + ARGBToYRow = ARGBToYRow_SSSE3;
1.598 + }
1.599 + }
1.600 + }
1.601 +#elif defined(HAS_ARGBTOYROW_NEON)
1.602 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.603 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.604 + if (IS_ALIGNED(width, 8)) {
1.605 + ARGBToYRow = ARGBToYRow_NEON;
1.606 + }
1.607 + if (width >= 16) {
1.608 + ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
1.609 + if (IS_ALIGNED(width, 16)) {
1.610 + ARGBToUV422Row = ARGBToUV422Row_NEON;
1.611 + }
1.612 + }
1.613 + }
1.614 +#endif
1.615 +
1.616 + void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
1.617 + const uint8* src_v, uint8* dst_uyvy, int width) =
1.618 + I422ToUYVYRow_C;
1.619 +#if defined(HAS_I422TOUYVYROW_SSE2)
1.620 + if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
1.621 + I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
1.622 + if (IS_ALIGNED(width, 16)) {
1.623 + I422ToUYVYRow = I422ToUYVYRow_SSE2;
1.624 + }
1.625 + }
1.626 +#elif defined(HAS_I422TOUYVYROW_NEON)
1.627 + if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
1.628 + I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
1.629 + if (IS_ALIGNED(width, 16)) {
1.630 + I422ToUYVYRow = I422ToUYVYRow_NEON;
1.631 + }
1.632 + }
1.633 +#endif
1.634 +
1.635 + // Allocate a rows of yuv.
1.636 + align_buffer_64(row_y, ((width + 63) & ~63) * 2);
1.637 + uint8* row_u = row_y + ((width + 63) & ~63);
1.638 + uint8* row_v = row_u + ((width + 63) & ~63) / 2;
1.639 +
1.640 + for (int y = 0; y < height; ++y) {
1.641 + ARGBToUV422Row(src_argb, row_u, row_v, width);
1.642 + ARGBToYRow(src_argb, row_y, width);
1.643 + I422ToUYVYRow(row_y, row_u, row_v, dst_uyvy, width);
1.644 + src_argb += src_stride_argb;
1.645 + dst_uyvy += dst_stride_uyvy;
1.646 + }
1.647 +
1.648 + free_aligned_buffer_64(row_y);
1.649 + return 0;
1.650 +}
1.651 +
1.652 +// Convert ARGB to I400.
1.653 +LIBYUV_API
1.654 +int ARGBToI400(const uint8* src_argb, int src_stride_argb,
1.655 + uint8* dst_y, int dst_stride_y,
1.656 + int width, int height) {
1.657 + if (!src_argb || !dst_y || width <= 0 || height == 0) {
1.658 + return -1;
1.659 + }
1.660 + if (height < 0) {
1.661 + height = -height;
1.662 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.663 + src_stride_argb = -src_stride_argb;
1.664 + }
1.665 + // Coalesce rows.
1.666 + if (src_stride_argb == width * 4 &&
1.667 + dst_stride_y == width) {
1.668 + width *= height;
1.669 + height = 1;
1.670 + src_stride_argb = dst_stride_y = 0;
1.671 + }
1.672 + void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
1.673 + ARGBToYRow_C;
1.674 +#if defined(HAS_ARGBTOYROW_SSSE3)
1.675 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.676 + ARGBToYRow = ARGBToYRow_Any_SSSE3;
1.677 + if (IS_ALIGNED(width, 16)) {
1.678 + ARGBToYRow = ARGBToYRow_Unaligned_SSSE3;
1.679 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
1.680 + IS_ALIGNED(dst_y, 16) && IS_ALIGNED(dst_stride_y, 16)) {
1.681 + ARGBToYRow = ARGBToYRow_SSSE3;
1.682 + }
1.683 + }
1.684 + }
1.685 +#endif
1.686 +#if defined(HAS_ARGBTOYROW_AVX2)
1.687 + if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
1.688 + ARGBToYRow = ARGBToYRow_Any_AVX2;
1.689 + if (IS_ALIGNED(width, 32)) {
1.690 + ARGBToYRow = ARGBToYRow_AVX2;
1.691 + }
1.692 + }
1.693 +#endif
1.694 +#if defined(HAS_ARGBTOYROW_NEON)
1.695 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.696 + ARGBToYRow = ARGBToYRow_Any_NEON;
1.697 + if (IS_ALIGNED(width, 8)) {
1.698 + ARGBToYRow = ARGBToYRow_NEON;
1.699 + }
1.700 + }
1.701 +#endif
1.702 +
1.703 + for (int y = 0; y < height; ++y) {
1.704 + ARGBToYRow(src_argb, dst_y, width);
1.705 + src_argb += src_stride_argb;
1.706 + dst_y += dst_stride_y;
1.707 + }
1.708 + return 0;
1.709 +}
1.710 +
1.711 +// Shuffle table for converting ARGB to RGBA.
1.712 +static uvec8 kShuffleMaskARGBToRGBA = {
1.713 + 3u, 0u, 1u, 2u, 7u, 4u, 5u, 6u, 11u, 8u, 9u, 10u, 15u, 12u, 13u, 14u
1.714 +};
1.715 +
1.716 +// Convert ARGB to RGBA.
1.717 +LIBYUV_API
1.718 +int ARGBToRGBA(const uint8* src_argb, int src_stride_argb,
1.719 + uint8* dst_rgba, int dst_stride_rgba,
1.720 + int width, int height) {
1.721 + return ARGBShuffle(src_argb, src_stride_argb,
1.722 + dst_rgba, dst_stride_rgba,
1.723 + (const uint8*)(&kShuffleMaskARGBToRGBA),
1.724 + width, height);
1.725 +}
1.726 +
1.727 +// Convert ARGB To RGB24.
1.728 +LIBYUV_API
1.729 +int ARGBToRGB24(const uint8* src_argb, int src_stride_argb,
1.730 + uint8* dst_rgb24, int dst_stride_rgb24,
1.731 + int width, int height) {
1.732 + if (!src_argb || !dst_rgb24 || width <= 0 || height == 0) {
1.733 + return -1;
1.734 + }
1.735 + if (height < 0) {
1.736 + height = -height;
1.737 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.738 + src_stride_argb = -src_stride_argb;
1.739 + }
1.740 + // Coalesce rows.
1.741 + if (src_stride_argb == width * 4 &&
1.742 + dst_stride_rgb24 == width * 3) {
1.743 + width *= height;
1.744 + height = 1;
1.745 + src_stride_argb = dst_stride_rgb24 = 0;
1.746 + }
1.747 + void (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
1.748 + ARGBToRGB24Row_C;
1.749 +#if defined(HAS_ARGBTORGB24ROW_SSSE3)
1.750 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.751 + ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
1.752 + if (IS_ALIGNED(width, 16)) {
1.753 + ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
1.754 + }
1.755 + }
1.756 +#elif defined(HAS_ARGBTORGB24ROW_NEON)
1.757 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.758 + ARGBToRGB24Row = ARGBToRGB24Row_Any_NEON;
1.759 + if (IS_ALIGNED(width, 8)) {
1.760 + ARGBToRGB24Row = ARGBToRGB24Row_NEON;
1.761 + }
1.762 + }
1.763 +#endif
1.764 +
1.765 + for (int y = 0; y < height; ++y) {
1.766 + ARGBToRGB24Row(src_argb, dst_rgb24, width);
1.767 + src_argb += src_stride_argb;
1.768 + dst_rgb24 += dst_stride_rgb24;
1.769 + }
1.770 + return 0;
1.771 +}
1.772 +
1.773 +// Convert ARGB To RAW.
1.774 +LIBYUV_API
1.775 +int ARGBToRAW(const uint8* src_argb, int src_stride_argb,
1.776 + uint8* dst_raw, int dst_stride_raw,
1.777 + int width, int height) {
1.778 + if (!src_argb || !dst_raw || width <= 0 || height == 0) {
1.779 + return -1;
1.780 + }
1.781 + if (height < 0) {
1.782 + height = -height;
1.783 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.784 + src_stride_argb = -src_stride_argb;
1.785 + }
1.786 + // Coalesce rows.
1.787 + if (src_stride_argb == width * 4 &&
1.788 + dst_stride_raw == width * 3) {
1.789 + width *= height;
1.790 + height = 1;
1.791 + src_stride_argb = dst_stride_raw = 0;
1.792 + }
1.793 + void (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix) =
1.794 + ARGBToRAWRow_C;
1.795 +#if defined(HAS_ARGBTORAWROW_SSSE3)
1.796 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.797 + ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
1.798 + if (IS_ALIGNED(width, 16)) {
1.799 + ARGBToRAWRow = ARGBToRAWRow_SSSE3;
1.800 + }
1.801 + }
1.802 +#elif defined(HAS_ARGBTORAWROW_NEON)
1.803 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.804 + ARGBToRAWRow = ARGBToRAWRow_Any_NEON;
1.805 + if (IS_ALIGNED(width, 8)) {
1.806 + ARGBToRAWRow = ARGBToRAWRow_NEON;
1.807 + }
1.808 + }
1.809 +#endif
1.810 +
1.811 + for (int y = 0; y < height; ++y) {
1.812 + ARGBToRAWRow(src_argb, dst_raw, width);
1.813 + src_argb += src_stride_argb;
1.814 + dst_raw += dst_stride_raw;
1.815 + }
1.816 + return 0;
1.817 +}
1.818 +
1.819 +// Convert ARGB To RGB565.
1.820 +LIBYUV_API
1.821 +int ARGBToRGB565(const uint8* src_argb, int src_stride_argb,
1.822 + uint8* dst_rgb565, int dst_stride_rgb565,
1.823 + int width, int height) {
1.824 + if (!src_argb || !dst_rgb565 || width <= 0 || height == 0) {
1.825 + return -1;
1.826 + }
1.827 + if (height < 0) {
1.828 + height = -height;
1.829 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.830 + src_stride_argb = -src_stride_argb;
1.831 + }
1.832 + // Coalesce rows.
1.833 + if (src_stride_argb == width * 4 &&
1.834 + dst_stride_rgb565 == width * 2) {
1.835 + width *= height;
1.836 + height = 1;
1.837 + src_stride_argb = dst_stride_rgb565 = 0;
1.838 + }
1.839 + void (*ARGBToRGB565Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
1.840 + ARGBToRGB565Row_C;
1.841 +#if defined(HAS_ARGBTORGB565ROW_SSE2)
1.842 + if (TestCpuFlag(kCpuHasSSE2) && width >= 4 &&
1.843 + IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.844 + ARGBToRGB565Row = ARGBToRGB565Row_Any_SSE2;
1.845 + if (IS_ALIGNED(width, 4)) {
1.846 + ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
1.847 + }
1.848 + }
1.849 +#elif defined(HAS_ARGBTORGB565ROW_NEON)
1.850 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.851 + ARGBToRGB565Row = ARGBToRGB565Row_Any_NEON;
1.852 + if (IS_ALIGNED(width, 8)) {
1.853 + ARGBToRGB565Row = ARGBToRGB565Row_NEON;
1.854 + }
1.855 + }
1.856 +#endif
1.857 +
1.858 + for (int y = 0; y < height; ++y) {
1.859 + ARGBToRGB565Row(src_argb, dst_rgb565, width);
1.860 + src_argb += src_stride_argb;
1.861 + dst_rgb565 += dst_stride_rgb565;
1.862 + }
1.863 + return 0;
1.864 +}
1.865 +
1.866 +// Convert ARGB To ARGB1555.
1.867 +LIBYUV_API
1.868 +int ARGBToARGB1555(const uint8* src_argb, int src_stride_argb,
1.869 + uint8* dst_argb1555, int dst_stride_argb1555,
1.870 + int width, int height) {
1.871 + if (!src_argb || !dst_argb1555 || width <= 0 || height == 0) {
1.872 + return -1;
1.873 + }
1.874 + if (height < 0) {
1.875 + height = -height;
1.876 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.877 + src_stride_argb = -src_stride_argb;
1.878 + }
1.879 + // Coalesce rows.
1.880 + if (src_stride_argb == width * 4 &&
1.881 + dst_stride_argb1555 == width * 2) {
1.882 + width *= height;
1.883 + height = 1;
1.884 + src_stride_argb = dst_stride_argb1555 = 0;
1.885 + }
1.886 + void (*ARGBToARGB1555Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
1.887 + ARGBToARGB1555Row_C;
1.888 +#if defined(HAS_ARGBTOARGB1555ROW_SSE2)
1.889 + if (TestCpuFlag(kCpuHasSSE2) && width >= 4 &&
1.890 + IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.891 + ARGBToARGB1555Row = ARGBToARGB1555Row_Any_SSE2;
1.892 + if (IS_ALIGNED(width, 4)) {
1.893 + ARGBToARGB1555Row = ARGBToARGB1555Row_SSE2;
1.894 + }
1.895 + }
1.896 +#elif defined(HAS_ARGBTOARGB1555ROW_NEON)
1.897 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.898 + ARGBToARGB1555Row = ARGBToARGB1555Row_Any_NEON;
1.899 + if (IS_ALIGNED(width, 8)) {
1.900 + ARGBToARGB1555Row = ARGBToARGB1555Row_NEON;
1.901 + }
1.902 + }
1.903 +#endif
1.904 +
1.905 + for (int y = 0; y < height; ++y) {
1.906 + ARGBToARGB1555Row(src_argb, dst_argb1555, width);
1.907 + src_argb += src_stride_argb;
1.908 + dst_argb1555 += dst_stride_argb1555;
1.909 + }
1.910 + return 0;
1.911 +}
1.912 +
1.913 +// Convert ARGB To ARGB4444.
1.914 +LIBYUV_API
1.915 +int ARGBToARGB4444(const uint8* src_argb, int src_stride_argb,
1.916 + uint8* dst_argb4444, int dst_stride_argb4444,
1.917 + int width, int height) {
1.918 + if (!src_argb || !dst_argb4444 || width <= 0 || height == 0) {
1.919 + return -1;
1.920 + }
1.921 + if (height < 0) {
1.922 + height = -height;
1.923 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.924 + src_stride_argb = -src_stride_argb;
1.925 + }
1.926 + // Coalesce rows.
1.927 + if (src_stride_argb == width * 4 &&
1.928 + dst_stride_argb4444 == width * 2) {
1.929 + width *= height;
1.930 + height = 1;
1.931 + src_stride_argb = dst_stride_argb4444 = 0;
1.932 + }
1.933 + void (*ARGBToARGB4444Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
1.934 + ARGBToARGB4444Row_C;
1.935 +#if defined(HAS_ARGBTOARGB4444ROW_SSE2)
1.936 + if (TestCpuFlag(kCpuHasSSE2) && width >= 4 &&
1.937 + IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.938 + ARGBToARGB4444Row = ARGBToARGB4444Row_Any_SSE2;
1.939 + if (IS_ALIGNED(width, 4)) {
1.940 + ARGBToARGB4444Row = ARGBToARGB4444Row_SSE2;
1.941 + }
1.942 + }
1.943 +#elif defined(HAS_ARGBTOARGB4444ROW_NEON)
1.944 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.945 + ARGBToARGB4444Row = ARGBToARGB4444Row_Any_NEON;
1.946 + if (IS_ALIGNED(width, 8)) {
1.947 + ARGBToARGB4444Row = ARGBToARGB4444Row_NEON;
1.948 + }
1.949 + }
1.950 +#endif
1.951 +
1.952 + for (int y = 0; y < height; ++y) {
1.953 + ARGBToARGB4444Row(src_argb, dst_argb4444, width);
1.954 + src_argb += src_stride_argb;
1.955 + dst_argb4444 += dst_stride_argb4444;
1.956 + }
1.957 + return 0;
1.958 +}
1.959 +
1.960 +// Convert ARGB to J420. (JPeg full range I420).
1.961 +LIBYUV_API
1.962 +int ARGBToJ420(const uint8* src_argb, int src_stride_argb,
1.963 + uint8* dst_yj, int dst_stride_yj,
1.964 + uint8* dst_u, int dst_stride_u,
1.965 + uint8* dst_v, int dst_stride_v,
1.966 + int width, int height) {
1.967 + if (!src_argb ||
1.968 + !dst_yj || !dst_u || !dst_v ||
1.969 + width <= 0 || height == 0) {
1.970 + return -1;
1.971 + }
1.972 + // Negative height means invert the image.
1.973 + if (height < 0) {
1.974 + height = -height;
1.975 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.976 + src_stride_argb = -src_stride_argb;
1.977 + }
1.978 + void (*ARGBToUVJRow)(const uint8* src_argb0, int src_stride_argb,
1.979 + uint8* dst_u, uint8* dst_v, int width) = ARGBToUVJRow_C;
1.980 + void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_yj, int pix) =
1.981 + ARGBToYJRow_C;
1.982 +#if defined(HAS_ARGBTOYJROW_SSSE3) && defined(HAS_ARGBTOUVJROW_SSSE3)
1.983 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.984 + ARGBToUVJRow = ARGBToUVJRow_Any_SSSE3;
1.985 + ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
1.986 + if (IS_ALIGNED(width, 16)) {
1.987 + ARGBToUVJRow = ARGBToUVJRow_Unaligned_SSSE3;
1.988 + ARGBToYJRow = ARGBToYJRow_Unaligned_SSSE3;
1.989 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
1.990 + ARGBToUVJRow = ARGBToUVJRow_SSSE3;
1.991 + if (IS_ALIGNED(dst_yj, 16) && IS_ALIGNED(dst_stride_yj, 16)) {
1.992 + ARGBToYJRow = ARGBToYJRow_SSSE3;
1.993 + }
1.994 + }
1.995 + }
1.996 + }
1.997 +#endif
1.998 +#if defined(HAS_ARGBTOYJROW_AVX2) && defined(HAS_ARGBTOUVJROW_AVX2)
1.999 + if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
1.1000 + ARGBToYJRow = ARGBToYJRow_Any_AVX2;
1.1001 + if (IS_ALIGNED(width, 32)) {
1.1002 + ARGBToYJRow = ARGBToYJRow_AVX2;
1.1003 + }
1.1004 + }
1.1005 +#endif
1.1006 +#if defined(HAS_ARGBTOYJROW_NEON)
1.1007 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.1008 + ARGBToYJRow = ARGBToYJRow_Any_NEON;
1.1009 + if (IS_ALIGNED(width, 8)) {
1.1010 + ARGBToYJRow = ARGBToYJRow_NEON;
1.1011 + }
1.1012 + if (width >= 16) {
1.1013 + ARGBToUVJRow = ARGBToUVJRow_Any_NEON;
1.1014 + if (IS_ALIGNED(width, 16)) {
1.1015 + ARGBToUVJRow = ARGBToUVJRow_NEON;
1.1016 + }
1.1017 + }
1.1018 + }
1.1019 +#endif
1.1020 +
1.1021 + for (int y = 0; y < height - 1; y += 2) {
1.1022 + ARGBToUVJRow(src_argb, src_stride_argb, dst_u, dst_v, width);
1.1023 + ARGBToYJRow(src_argb, dst_yj, width);
1.1024 + ARGBToYJRow(src_argb + src_stride_argb, dst_yj + dst_stride_yj, width);
1.1025 + src_argb += src_stride_argb * 2;
1.1026 + dst_yj += dst_stride_yj * 2;
1.1027 + dst_u += dst_stride_u;
1.1028 + dst_v += dst_stride_v;
1.1029 + }
1.1030 + if (height & 1) {
1.1031 + ARGBToUVJRow(src_argb, 0, dst_u, dst_v, width);
1.1032 + ARGBToYJRow(src_argb, dst_yj, width);
1.1033 + }
1.1034 + return 0;
1.1035 +}
1.1036 +
1.1037 +// Convert ARGB to J400.
1.1038 +LIBYUV_API
1.1039 +int ARGBToJ400(const uint8* src_argb, int src_stride_argb,
1.1040 + uint8* dst_yj, int dst_stride_yj,
1.1041 + int width, int height) {
1.1042 + if (!src_argb || !dst_yj || width <= 0 || height == 0) {
1.1043 + return -1;
1.1044 + }
1.1045 + if (height < 0) {
1.1046 + height = -height;
1.1047 + src_argb = src_argb + (height - 1) * src_stride_argb;
1.1048 + src_stride_argb = -src_stride_argb;
1.1049 + }
1.1050 + // Coalesce rows.
1.1051 + if (src_stride_argb == width * 4 &&
1.1052 + dst_stride_yj == width) {
1.1053 + width *= height;
1.1054 + height = 1;
1.1055 + src_stride_argb = dst_stride_yj = 0;
1.1056 + }
1.1057 + void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_yj, int pix) =
1.1058 + ARGBToYJRow_C;
1.1059 +#if defined(HAS_ARGBTOYJROW_SSSE3)
1.1060 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
1.1061 + ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
1.1062 + if (IS_ALIGNED(width, 16)) {
1.1063 + ARGBToYJRow = ARGBToYJRow_Unaligned_SSSE3;
1.1064 + if (IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16) &&
1.1065 + IS_ALIGNED(dst_yj, 16) && IS_ALIGNED(dst_stride_yj, 16)) {
1.1066 + ARGBToYJRow = ARGBToYJRow_SSSE3;
1.1067 + }
1.1068 + }
1.1069 + }
1.1070 +#endif
1.1071 +#if defined(HAS_ARGBTOYJROW_AVX2)
1.1072 + if (TestCpuFlag(kCpuHasAVX2) && width >= 32) {
1.1073 + ARGBToYJRow = ARGBToYJRow_Any_AVX2;
1.1074 + if (IS_ALIGNED(width, 32)) {
1.1075 + ARGBToYJRow = ARGBToYJRow_AVX2;
1.1076 + }
1.1077 + }
1.1078 +#endif
1.1079 +#if defined(HAS_ARGBTOYJROW_NEON)
1.1080 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.1081 + ARGBToYJRow = ARGBToYJRow_Any_NEON;
1.1082 + if (IS_ALIGNED(width, 8)) {
1.1083 + ARGBToYJRow = ARGBToYJRow_NEON;
1.1084 + }
1.1085 + }
1.1086 +#endif
1.1087 +
1.1088 + for (int y = 0; y < height; ++y) {
1.1089 + ARGBToYJRow(src_argb, dst_yj, width);
1.1090 + src_argb += src_stride_argb;
1.1091 + dst_yj += dst_stride_yj;
1.1092 + }
1.1093 + return 0;
1.1094 +}
1.1095 +
1.1096 +#ifdef __cplusplus
1.1097 +} // extern "C"
1.1098 +} // namespace libyuv
1.1099 +#endif
