1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libyuv/source/convert_from.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1196 @@
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.h"
1.15 +
1.16 +#include "libyuv/basic_types.h"
1.17 +#include "libyuv/convert.h" // For I420Copy
1.18 +#include "libyuv/cpu_id.h"
1.19 +#include "libyuv/format_conversion.h"
1.20 +#include "libyuv/planar_functions.h"
1.21 +#include "libyuv/rotate.h"
1.22 +#include "libyuv/scale.h" // For ScalePlane()
1.23 +#include "libyuv/video_common.h"
1.24 +#include "libyuv/row.h"
1.25 +
1.26 +#ifdef __cplusplus
1.27 +namespace libyuv {
1.28 +extern "C" {
1.29 +#endif
1.30 +
1.31 +#define SUBSAMPLE(v, a, s) (v < 0) ? (-((-v + a) >> s)) : ((v + a) >> s)
1.32 +static __inline int Abs(int v) {
1.33 + return v >= 0 ? v : -v;
1.34 +}
1.35 +
1.36 +// I420 To any I4xx YUV format with mirroring.
1.37 +static int I420ToI4xx(const uint8* src_y, int src_stride_y,
1.38 + const uint8* src_u, int src_stride_u,
1.39 + const uint8* src_v, int src_stride_v,
1.40 + uint8* dst_y, int dst_stride_y,
1.41 + uint8* dst_u, int dst_stride_u,
1.42 + uint8* dst_v, int dst_stride_v,
1.43 + int src_y_width, int src_y_height,
1.44 + int dst_uv_width, int dst_uv_height) {
1.45 + if (src_y_width == 0 || src_y_height == 0 ||
1.46 + dst_uv_width <= 0 || dst_uv_height <= 0) {
1.47 + return -1;
1.48 + }
1.49 + const int dst_y_width = Abs(src_y_width);
1.50 + const int dst_y_height = Abs(src_y_height);
1.51 + const int src_uv_width = SUBSAMPLE(src_y_width, 1, 1);
1.52 + const int src_uv_height = SUBSAMPLE(src_y_height, 1, 1);
1.53 + ScalePlane(src_y, src_stride_y, src_y_width, src_y_height,
1.54 + dst_y, dst_stride_y, dst_y_width, dst_y_height,
1.55 + kFilterBilinear);
1.56 + ScalePlane(src_u, src_stride_u, src_uv_width, src_uv_height,
1.57 + dst_u, dst_stride_u, dst_uv_width, dst_uv_height,
1.58 + kFilterBilinear);
1.59 + ScalePlane(src_v, src_stride_v, src_uv_width, src_uv_height,
1.60 + dst_v, dst_stride_v, dst_uv_width, dst_uv_height,
1.61 + kFilterBilinear);
1.62 + return 0;
1.63 +}
1.64 +
1.65 +// 420 chroma is 1/2 width, 1/2 height
1.66 +// 422 chroma is 1/2 width, 1x height
1.67 +LIBYUV_API
1.68 +int I420ToI422(const uint8* src_y, int src_stride_y,
1.69 + const uint8* src_u, int src_stride_u,
1.70 + const uint8* src_v, int src_stride_v,
1.71 + uint8* dst_y, int dst_stride_y,
1.72 + uint8* dst_u, int dst_stride_u,
1.73 + uint8* dst_v, int dst_stride_v,
1.74 + int width, int height) {
1.75 + const int dst_uv_width = (Abs(width) + 1) >> 1;
1.76 + const int dst_uv_height = Abs(height);
1.77 + return I420ToI4xx(src_y, src_stride_y,
1.78 + src_u, src_stride_u,
1.79 + src_v, src_stride_v,
1.80 + dst_y, dst_stride_y,
1.81 + dst_u, dst_stride_u,
1.82 + dst_v, dst_stride_v,
1.83 + width, height,
1.84 + dst_uv_width, dst_uv_height);
1.85 +}
1.86 +
1.87 +// 420 chroma is 1/2 width, 1/2 height
1.88 +// 444 chroma is 1x width, 1x height
1.89 +LIBYUV_API
1.90 +int I420ToI444(const uint8* src_y, int src_stride_y,
1.91 + const uint8* src_u, int src_stride_u,
1.92 + const uint8* src_v, int src_stride_v,
1.93 + uint8* dst_y, int dst_stride_y,
1.94 + uint8* dst_u, int dst_stride_u,
1.95 + uint8* dst_v, int dst_stride_v,
1.96 + int width, int height) {
1.97 + const int dst_uv_width = Abs(width);
1.98 + const int dst_uv_height = Abs(height);
1.99 + return I420ToI4xx(src_y, src_stride_y,
1.100 + src_u, src_stride_u,
1.101 + src_v, src_stride_v,
1.102 + dst_y, dst_stride_y,
1.103 + dst_u, dst_stride_u,
1.104 + dst_v, dst_stride_v,
1.105 + width, height,
1.106 + dst_uv_width, dst_uv_height);
1.107 +}
1.108 +
1.109 +// 420 chroma is 1/2 width, 1/2 height
1.110 +// 411 chroma is 1/4 width, 1x height
1.111 +LIBYUV_API
1.112 +int I420ToI411(const uint8* src_y, int src_stride_y,
1.113 + const uint8* src_u, int src_stride_u,
1.114 + const uint8* src_v, int src_stride_v,
1.115 + uint8* dst_y, int dst_stride_y,
1.116 + uint8* dst_u, int dst_stride_u,
1.117 + uint8* dst_v, int dst_stride_v,
1.118 + int width, int height) {
1.119 + const int dst_uv_width = (Abs(width) + 3) >> 2;
1.120 + const int dst_uv_height = Abs(height);
1.121 + return I420ToI4xx(src_y, src_stride_y,
1.122 + src_u, src_stride_u,
1.123 + src_v, src_stride_v,
1.124 + dst_y, dst_stride_y,
1.125 + dst_u, dst_stride_u,
1.126 + dst_v, dst_stride_v,
1.127 + width, height,
1.128 + dst_uv_width, dst_uv_height);
1.129 +}
1.130 +
1.131 +// Copy to I400. Source can be I420,422,444,400,NV12,NV21
1.132 +LIBYUV_API
1.133 +int I400Copy(const uint8* src_y, int src_stride_y,
1.134 + uint8* dst_y, int dst_stride_y,
1.135 + int width, int height) {
1.136 + if (!src_y || !dst_y ||
1.137 + width <= 0 || height == 0) {
1.138 + return -1;
1.139 + }
1.140 + // Negative height means invert the image.
1.141 + if (height < 0) {
1.142 + height = -height;
1.143 + src_y = src_y + (height - 1) * src_stride_y;
1.144 + src_stride_y = -src_stride_y;
1.145 + }
1.146 + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
1.147 + return 0;
1.148 +}
1.149 +
1.150 +LIBYUV_API
1.151 +int I422ToYUY2(const uint8* src_y, int src_stride_y,
1.152 + const uint8* src_u, int src_stride_u,
1.153 + const uint8* src_v, int src_stride_v,
1.154 + uint8* dst_yuy2, int dst_stride_yuy2,
1.155 + int width, int height) {
1.156 + if (!src_y || !src_u || !src_v || !dst_yuy2 ||
1.157 + width <= 0 || height == 0) {
1.158 + return -1;
1.159 + }
1.160 + // Negative height means invert the image.
1.161 + if (height < 0) {
1.162 + height = -height;
1.163 + dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
1.164 + dst_stride_yuy2 = -dst_stride_yuy2;
1.165 + }
1.166 + // Coalesce rows.
1.167 + if (src_stride_y == width &&
1.168 + src_stride_u * 2 == width &&
1.169 + src_stride_v * 2 == width &&
1.170 + dst_stride_yuy2 == width * 2) {
1.171 + width *= height;
1.172 + height = 1;
1.173 + src_stride_y = src_stride_u = src_stride_v = dst_stride_yuy2 = 0;
1.174 + }
1.175 + void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
1.176 + const uint8* src_v, uint8* dst_yuy2, int width) =
1.177 + I422ToYUY2Row_C;
1.178 +#if defined(HAS_I422TOYUY2ROW_SSE2)
1.179 + if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
1.180 + I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
1.181 + if (IS_ALIGNED(width, 16)) {
1.182 + I422ToYUY2Row = I422ToYUY2Row_SSE2;
1.183 + }
1.184 + }
1.185 +#elif defined(HAS_I422TOYUY2ROW_NEON)
1.186 + if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
1.187 + I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
1.188 + if (IS_ALIGNED(width, 16)) {
1.189 + I422ToYUY2Row = I422ToYUY2Row_NEON;
1.190 + }
1.191 + }
1.192 +#endif
1.193 +
1.194 + for (int y = 0; y < height; ++y) {
1.195 + I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
1.196 + src_y += src_stride_y;
1.197 + src_u += src_stride_u;
1.198 + src_v += src_stride_v;
1.199 + dst_yuy2 += dst_stride_yuy2;
1.200 + }
1.201 + return 0;
1.202 +}
1.203 +
1.204 +LIBYUV_API
1.205 +int I420ToYUY2(const uint8* src_y, int src_stride_y,
1.206 + const uint8* src_u, int src_stride_u,
1.207 + const uint8* src_v, int src_stride_v,
1.208 + uint8* dst_yuy2, int dst_stride_yuy2,
1.209 + int width, int height) {
1.210 + if (!src_y || !src_u || !src_v || !dst_yuy2 ||
1.211 + width <= 0 || height == 0) {
1.212 + return -1;
1.213 + }
1.214 + // Negative height means invert the image.
1.215 + if (height < 0) {
1.216 + height = -height;
1.217 + dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
1.218 + dst_stride_yuy2 = -dst_stride_yuy2;
1.219 + }
1.220 + void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
1.221 + const uint8* src_v, uint8* dst_yuy2, int width) =
1.222 + I422ToYUY2Row_C;
1.223 +#if defined(HAS_I422TOYUY2ROW_SSE2)
1.224 + if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
1.225 + I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
1.226 + if (IS_ALIGNED(width, 16)) {
1.227 + I422ToYUY2Row = I422ToYUY2Row_SSE2;
1.228 + }
1.229 + }
1.230 +#elif defined(HAS_I422TOYUY2ROW_NEON)
1.231 + if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
1.232 + I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
1.233 + if (IS_ALIGNED(width, 16)) {
1.234 + I422ToYUY2Row = I422ToYUY2Row_NEON;
1.235 + }
1.236 + }
1.237 +#endif
1.238 +
1.239 + for (int y = 0; y < height - 1; y += 2) {
1.240 + I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
1.241 + I422ToYUY2Row(src_y + src_stride_y, src_u, src_v,
1.242 + dst_yuy2 + dst_stride_yuy2, width);
1.243 + src_y += src_stride_y * 2;
1.244 + src_u += src_stride_u;
1.245 + src_v += src_stride_v;
1.246 + dst_yuy2 += dst_stride_yuy2 * 2;
1.247 + }
1.248 + if (height & 1) {
1.249 + I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
1.250 + }
1.251 + return 0;
1.252 +}
1.253 +
1.254 +LIBYUV_API
1.255 +int I422ToUYVY(const uint8* src_y, int src_stride_y,
1.256 + const uint8* src_u, int src_stride_u,
1.257 + const uint8* src_v, int src_stride_v,
1.258 + uint8* dst_uyvy, int dst_stride_uyvy,
1.259 + int width, int height) {
1.260 + if (!src_y || !src_u || !src_v || !dst_uyvy ||
1.261 + width <= 0 || height == 0) {
1.262 + return -1;
1.263 + }
1.264 + // Negative height means invert the image.
1.265 + if (height < 0) {
1.266 + height = -height;
1.267 + dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
1.268 + dst_stride_uyvy = -dst_stride_uyvy;
1.269 + }
1.270 + // Coalesce rows.
1.271 + if (src_stride_y == width &&
1.272 + src_stride_u * 2 == width &&
1.273 + src_stride_v * 2 == width &&
1.274 + dst_stride_uyvy == width * 2) {
1.275 + width *= height;
1.276 + height = 1;
1.277 + src_stride_y = src_stride_u = src_stride_v = dst_stride_uyvy = 0;
1.278 + }
1.279 + void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
1.280 + const uint8* src_v, uint8* dst_uyvy, int width) =
1.281 + I422ToUYVYRow_C;
1.282 +#if defined(HAS_I422TOUYVYROW_SSE2)
1.283 + if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
1.284 + I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
1.285 + if (IS_ALIGNED(width, 16)) {
1.286 + I422ToUYVYRow = I422ToUYVYRow_SSE2;
1.287 + }
1.288 + }
1.289 +#elif defined(HAS_I422TOUYVYROW_NEON)
1.290 + if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
1.291 + I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
1.292 + if (IS_ALIGNED(width, 16)) {
1.293 + I422ToUYVYRow = I422ToUYVYRow_NEON;
1.294 + }
1.295 + }
1.296 +#endif
1.297 +
1.298 + for (int y = 0; y < height; ++y) {
1.299 + I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
1.300 + src_y += src_stride_y;
1.301 + src_u += src_stride_u;
1.302 + src_v += src_stride_v;
1.303 + dst_uyvy += dst_stride_uyvy;
1.304 + }
1.305 + return 0;
1.306 +}
1.307 +
1.308 +LIBYUV_API
1.309 +int I420ToUYVY(const uint8* src_y, int src_stride_y,
1.310 + const uint8* src_u, int src_stride_u,
1.311 + const uint8* src_v, int src_stride_v,
1.312 + uint8* dst_uyvy, int dst_stride_uyvy,
1.313 + int width, int height) {
1.314 + if (!src_y || !src_u || !src_v || !dst_uyvy ||
1.315 + width <= 0 || height == 0) {
1.316 + return -1;
1.317 + }
1.318 + // Negative height means invert the image.
1.319 + if (height < 0) {
1.320 + height = -height;
1.321 + dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
1.322 + dst_stride_uyvy = -dst_stride_uyvy;
1.323 + }
1.324 + void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
1.325 + const uint8* src_v, uint8* dst_uyvy, int width) =
1.326 + I422ToUYVYRow_C;
1.327 +#if defined(HAS_I422TOUYVYROW_SSE2)
1.328 + if (TestCpuFlag(kCpuHasSSE2) && width >= 16) {
1.329 + I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
1.330 + if (IS_ALIGNED(width, 16)) {
1.331 + I422ToUYVYRow = I422ToUYVYRow_SSE2;
1.332 + }
1.333 + }
1.334 +#elif defined(HAS_I422TOUYVYROW_NEON)
1.335 + if (TestCpuFlag(kCpuHasNEON) && width >= 16) {
1.336 + I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
1.337 + if (IS_ALIGNED(width, 16)) {
1.338 + I422ToUYVYRow = I422ToUYVYRow_NEON;
1.339 + }
1.340 + }
1.341 +#endif
1.342 +
1.343 + for (int y = 0; y < height - 1; y += 2) {
1.344 + I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
1.345 + I422ToUYVYRow(src_y + src_stride_y, src_u, src_v,
1.346 + dst_uyvy + dst_stride_uyvy, width);
1.347 + src_y += src_stride_y * 2;
1.348 + src_u += src_stride_u;
1.349 + src_v += src_stride_v;
1.350 + dst_uyvy += dst_stride_uyvy * 2;
1.351 + }
1.352 + if (height & 1) {
1.353 + I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
1.354 + }
1.355 + return 0;
1.356 +}
1.357 +
1.358 +LIBYUV_API
1.359 +int I420ToNV12(const uint8* src_y, int src_stride_y,
1.360 + const uint8* src_u, int src_stride_u,
1.361 + const uint8* src_v, int src_stride_v,
1.362 + uint8* dst_y, int dst_stride_y,
1.363 + uint8* dst_uv, int dst_stride_uv,
1.364 + int width, int height) {
1.365 + if (!src_y || !src_u || !src_v || !dst_y || !dst_uv ||
1.366 + width <= 0 || height == 0) {
1.367 + return -1;
1.368 + }
1.369 + // Negative height means invert the image.
1.370 + if (height < 0) {
1.371 + height = -height;
1.372 + int halfheight = (height + 1) >> 1;
1.373 + dst_y = dst_y + (height - 1) * dst_stride_y;
1.374 + dst_uv = dst_uv + (halfheight - 1) * dst_stride_uv;
1.375 + dst_stride_y = -dst_stride_y;
1.376 + dst_stride_uv = -dst_stride_uv;
1.377 + }
1.378 + // Coalesce rows.
1.379 + int halfwidth = (width + 1) >> 1;
1.380 + int halfheight = (height + 1) >> 1;
1.381 + if (src_stride_y == width &&
1.382 + dst_stride_y == width) {
1.383 + width *= height;
1.384 + height = 1;
1.385 + src_stride_y = dst_stride_y = 0;
1.386 + }
1.387 + // Coalesce rows.
1.388 + if (src_stride_u == halfwidth &&
1.389 + src_stride_v == halfwidth &&
1.390 + dst_stride_uv == halfwidth * 2) {
1.391 + halfwidth *= halfheight;
1.392 + halfheight = 1;
1.393 + src_stride_u = src_stride_v = dst_stride_uv = 0;
1.394 + }
1.395 + void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
1.396 + int width) = MergeUVRow_C;
1.397 +#if defined(HAS_MERGEUVROW_SSE2)
1.398 + if (TestCpuFlag(kCpuHasSSE2) && halfwidth >= 16) {
1.399 + MergeUVRow_ = MergeUVRow_Any_SSE2;
1.400 + if (IS_ALIGNED(halfwidth, 16)) {
1.401 + MergeUVRow_ = MergeUVRow_Unaligned_SSE2;
1.402 + if (IS_ALIGNED(src_u, 16) && IS_ALIGNED(src_stride_u, 16) &&
1.403 + IS_ALIGNED(src_v, 16) && IS_ALIGNED(src_stride_v, 16) &&
1.404 + IS_ALIGNED(dst_uv, 16) && IS_ALIGNED(dst_stride_uv, 16)) {
1.405 + MergeUVRow_ = MergeUVRow_SSE2;
1.406 + }
1.407 + }
1.408 + }
1.409 +#endif
1.410 +#if defined(HAS_MERGEUVROW_AVX2)
1.411 + if (TestCpuFlag(kCpuHasAVX2) && halfwidth >= 32) {
1.412 + MergeUVRow_ = MergeUVRow_Any_AVX2;
1.413 + if (IS_ALIGNED(halfwidth, 32)) {
1.414 + MergeUVRow_ = MergeUVRow_AVX2;
1.415 + }
1.416 + }
1.417 +#endif
1.418 +#if defined(HAS_MERGEUVROW_NEON)
1.419 + if (TestCpuFlag(kCpuHasNEON) && halfwidth >= 16) {
1.420 + MergeUVRow_ = MergeUVRow_Any_NEON;
1.421 + if (IS_ALIGNED(halfwidth, 16)) {
1.422 + MergeUVRow_ = MergeUVRow_NEON;
1.423 + }
1.424 + }
1.425 +#endif
1.426 +
1.427 + CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
1.428 + for (int y = 0; y < halfheight; ++y) {
1.429 + // Merge a row of U and V into a row of UV.
1.430 + MergeUVRow_(src_u, src_v, dst_uv, halfwidth);
1.431 + src_u += src_stride_u;
1.432 + src_v += src_stride_v;
1.433 + dst_uv += dst_stride_uv;
1.434 + }
1.435 + return 0;
1.436 +}
1.437 +
1.438 +LIBYUV_API
1.439 +int I420ToNV21(const uint8* src_y, int src_stride_y,
1.440 + const uint8* src_u, int src_stride_u,
1.441 + const uint8* src_v, int src_stride_v,
1.442 + uint8* dst_y, int dst_stride_y,
1.443 + uint8* dst_vu, int dst_stride_vu,
1.444 + int width, int height) {
1.445 + return I420ToNV12(src_y, src_stride_y,
1.446 + src_v, src_stride_v,
1.447 + src_u, src_stride_u,
1.448 + dst_y, src_stride_y,
1.449 + dst_vu, dst_stride_vu,
1.450 + width, height);
1.451 +}
1.452 +
1.453 +// Convert I420 to ARGB.
1.454 +LIBYUV_API
1.455 +int I420ToARGB(const uint8* src_y, int src_stride_y,
1.456 + const uint8* src_u, int src_stride_u,
1.457 + const uint8* src_v, int src_stride_v,
1.458 + uint8* dst_argb, int dst_stride_argb,
1.459 + int width, int height) {
1.460 + if (!src_y || !src_u || !src_v || !dst_argb ||
1.461 + width <= 0 || height == 0) {
1.462 + return -1;
1.463 + }
1.464 + // Negative height means invert the image.
1.465 + if (height < 0) {
1.466 + height = -height;
1.467 + dst_argb = dst_argb + (height - 1) * dst_stride_argb;
1.468 + dst_stride_argb = -dst_stride_argb;
1.469 + }
1.470 + void (*I422ToARGBRow)(const uint8* y_buf,
1.471 + const uint8* u_buf,
1.472 + const uint8* v_buf,
1.473 + uint8* rgb_buf,
1.474 + int width) = I422ToARGBRow_C;
1.475 +#if defined(HAS_I422TOARGBROW_SSSE3)
1.476 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.477 + I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
1.478 + if (IS_ALIGNED(width, 8)) {
1.479 + I422ToARGBRow = I422ToARGBRow_Unaligned_SSSE3;
1.480 + if (IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
1.481 + I422ToARGBRow = I422ToARGBRow_SSSE3;
1.482 + }
1.483 + }
1.484 + }
1.485 +#endif
1.486 +#if defined(HAS_I422TOARGBROW_AVX2)
1.487 + if (TestCpuFlag(kCpuHasAVX2) && width >= 16) {
1.488 + I422ToARGBRow = I422ToARGBRow_Any_AVX2;
1.489 + if (IS_ALIGNED(width, 16)) {
1.490 + I422ToARGBRow = I422ToARGBRow_AVX2;
1.491 + }
1.492 + }
1.493 +#endif
1.494 +#if defined(HAS_I422TOARGBROW_NEON)
1.495 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.496 + I422ToARGBRow = I422ToARGBRow_Any_NEON;
1.497 + if (IS_ALIGNED(width, 8)) {
1.498 + I422ToARGBRow = I422ToARGBRow_NEON;
1.499 + }
1.500 + }
1.501 +#endif
1.502 +#if defined(HAS_I422TOARGBROW_MIPS_DSPR2)
1.503 + if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
1.504 + IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
1.505 + IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
1.506 + IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) &&
1.507 + IS_ALIGNED(dst_argb, 4) && IS_ALIGNED(dst_stride_argb, 4)) {
1.508 + I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2;
1.509 + }
1.510 +#endif
1.511 +
1.512 + for (int y = 0; y < height; ++y) {
1.513 + I422ToARGBRow(src_y, src_u, src_v, dst_argb, width);
1.514 + dst_argb += dst_stride_argb;
1.515 + src_y += src_stride_y;
1.516 + if (y & 1) {
1.517 + src_u += src_stride_u;
1.518 + src_v += src_stride_v;
1.519 + }
1.520 + }
1.521 + return 0;
1.522 +}
1.523 +
1.524 +// Convert I420 to BGRA.
1.525 +LIBYUV_API
1.526 +int I420ToBGRA(const uint8* src_y, int src_stride_y,
1.527 + const uint8* src_u, int src_stride_u,
1.528 + const uint8* src_v, int src_stride_v,
1.529 + uint8* dst_bgra, int dst_stride_bgra,
1.530 + int width, int height) {
1.531 + if (!src_y || !src_u || !src_v || !dst_bgra ||
1.532 + width <= 0 || height == 0) {
1.533 + return -1;
1.534 + }
1.535 + // Negative height means invert the image.
1.536 + if (height < 0) {
1.537 + height = -height;
1.538 + dst_bgra = dst_bgra + (height - 1) * dst_stride_bgra;
1.539 + dst_stride_bgra = -dst_stride_bgra;
1.540 + }
1.541 + void (*I422ToBGRARow)(const uint8* y_buf,
1.542 + const uint8* u_buf,
1.543 + const uint8* v_buf,
1.544 + uint8* rgb_buf,
1.545 + int width) = I422ToBGRARow_C;
1.546 +#if defined(HAS_I422TOBGRAROW_SSSE3)
1.547 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.548 + I422ToBGRARow = I422ToBGRARow_Any_SSSE3;
1.549 + if (IS_ALIGNED(width, 8)) {
1.550 + I422ToBGRARow = I422ToBGRARow_Unaligned_SSSE3;
1.551 + if (IS_ALIGNED(dst_bgra, 16) && IS_ALIGNED(dst_stride_bgra, 16)) {
1.552 + I422ToBGRARow = I422ToBGRARow_SSSE3;
1.553 + }
1.554 + }
1.555 + }
1.556 +#elif defined(HAS_I422TOBGRAROW_NEON)
1.557 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.558 + I422ToBGRARow = I422ToBGRARow_Any_NEON;
1.559 + if (IS_ALIGNED(width, 8)) {
1.560 + I422ToBGRARow = I422ToBGRARow_NEON;
1.561 + }
1.562 + }
1.563 +#elif defined(HAS_I422TOBGRAROW_MIPS_DSPR2)
1.564 + if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
1.565 + IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
1.566 + IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
1.567 + IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) &&
1.568 + IS_ALIGNED(dst_bgra, 4) && IS_ALIGNED(dst_stride_bgra, 4)) {
1.569 + I422ToBGRARow = I422ToBGRARow_MIPS_DSPR2;
1.570 + }
1.571 +#endif
1.572 +
1.573 + for (int y = 0; y < height; ++y) {
1.574 + I422ToBGRARow(src_y, src_u, src_v, dst_bgra, width);
1.575 + dst_bgra += dst_stride_bgra;
1.576 + src_y += src_stride_y;
1.577 + if (y & 1) {
1.578 + src_u += src_stride_u;
1.579 + src_v += src_stride_v;
1.580 + }
1.581 + }
1.582 + return 0;
1.583 +}
1.584 +
1.585 +// Convert I420 to ABGR.
1.586 +LIBYUV_API
1.587 +int I420ToABGR(const uint8* src_y, int src_stride_y,
1.588 + const uint8* src_u, int src_stride_u,
1.589 + const uint8* src_v, int src_stride_v,
1.590 + uint8* dst_abgr, int dst_stride_abgr,
1.591 + int width, int height) {
1.592 + if (!src_y || !src_u || !src_v || !dst_abgr ||
1.593 + width <= 0 || height == 0) {
1.594 + return -1;
1.595 + }
1.596 + // Negative height means invert the image.
1.597 + if (height < 0) {
1.598 + height = -height;
1.599 + dst_abgr = dst_abgr + (height - 1) * dst_stride_abgr;
1.600 + dst_stride_abgr = -dst_stride_abgr;
1.601 + }
1.602 + void (*I422ToABGRRow)(const uint8* y_buf,
1.603 + const uint8* u_buf,
1.604 + const uint8* v_buf,
1.605 + uint8* rgb_buf,
1.606 + int width) = I422ToABGRRow_C;
1.607 +#if defined(HAS_I422TOABGRROW_SSSE3)
1.608 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.609 + I422ToABGRRow = I422ToABGRRow_Any_SSSE3;
1.610 + if (IS_ALIGNED(width, 8)) {
1.611 + I422ToABGRRow = I422ToABGRRow_Unaligned_SSSE3;
1.612 + if (IS_ALIGNED(dst_abgr, 16) && IS_ALIGNED(dst_stride_abgr, 16)) {
1.613 + I422ToABGRRow = I422ToABGRRow_SSSE3;
1.614 + }
1.615 + }
1.616 + }
1.617 +#elif defined(HAS_I422TOABGRROW_NEON)
1.618 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.619 + I422ToABGRRow = I422ToABGRRow_Any_NEON;
1.620 + if (IS_ALIGNED(width, 8)) {
1.621 + I422ToABGRRow = I422ToABGRRow_NEON;
1.622 + }
1.623 + }
1.624 +#endif
1.625 +
1.626 + for (int y = 0; y < height; ++y) {
1.627 + I422ToABGRRow(src_y, src_u, src_v, dst_abgr, width);
1.628 + dst_abgr += dst_stride_abgr;
1.629 + src_y += src_stride_y;
1.630 + if (y & 1) {
1.631 + src_u += src_stride_u;
1.632 + src_v += src_stride_v;
1.633 + }
1.634 + }
1.635 + return 0;
1.636 +}
1.637 +
1.638 +// Convert I420 to RGBA.
1.639 +LIBYUV_API
1.640 +int I420ToRGBA(const uint8* src_y, int src_stride_y,
1.641 + const uint8* src_u, int src_stride_u,
1.642 + const uint8* src_v, int src_stride_v,
1.643 + uint8* dst_rgba, int dst_stride_rgba,
1.644 + int width, int height) {
1.645 + if (!src_y || !src_u || !src_v || !dst_rgba ||
1.646 + width <= 0 || height == 0) {
1.647 + return -1;
1.648 + }
1.649 + // Negative height means invert the image.
1.650 + if (height < 0) {
1.651 + height = -height;
1.652 + dst_rgba = dst_rgba + (height - 1) * dst_stride_rgba;
1.653 + dst_stride_rgba = -dst_stride_rgba;
1.654 + }
1.655 + void (*I422ToRGBARow)(const uint8* y_buf,
1.656 + const uint8* u_buf,
1.657 + const uint8* v_buf,
1.658 + uint8* rgb_buf,
1.659 + int width) = I422ToRGBARow_C;
1.660 +#if defined(HAS_I422TORGBAROW_SSSE3)
1.661 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.662 + I422ToRGBARow = I422ToRGBARow_Any_SSSE3;
1.663 + if (IS_ALIGNED(width, 8)) {
1.664 + I422ToRGBARow = I422ToRGBARow_Unaligned_SSSE3;
1.665 + if (IS_ALIGNED(dst_rgba, 16) && IS_ALIGNED(dst_stride_rgba, 16)) {
1.666 + I422ToRGBARow = I422ToRGBARow_SSSE3;
1.667 + }
1.668 + }
1.669 + }
1.670 +#elif defined(HAS_I422TORGBAROW_NEON)
1.671 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.672 + I422ToRGBARow = I422ToRGBARow_Any_NEON;
1.673 + if (IS_ALIGNED(width, 8)) {
1.674 + I422ToRGBARow = I422ToRGBARow_NEON;
1.675 + }
1.676 + }
1.677 +#endif
1.678 +
1.679 + for (int y = 0; y < height; ++y) {
1.680 + I422ToRGBARow(src_y, src_u, src_v, dst_rgba, width);
1.681 + dst_rgba += dst_stride_rgba;
1.682 + src_y += src_stride_y;
1.683 + if (y & 1) {
1.684 + src_u += src_stride_u;
1.685 + src_v += src_stride_v;
1.686 + }
1.687 + }
1.688 + return 0;
1.689 +}
1.690 +
1.691 +// Convert I420 to RGB24.
1.692 +LIBYUV_API
1.693 +int I420ToRGB24(const uint8* src_y, int src_stride_y,
1.694 + const uint8* src_u, int src_stride_u,
1.695 + const uint8* src_v, int src_stride_v,
1.696 + uint8* dst_rgb24, int dst_stride_rgb24,
1.697 + int width, int height) {
1.698 + if (!src_y || !src_u || !src_v || !dst_rgb24 ||
1.699 + width <= 0 || height == 0) {
1.700 + return -1;
1.701 + }
1.702 + // Negative height means invert the image.
1.703 + if (height < 0) {
1.704 + height = -height;
1.705 + dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24;
1.706 + dst_stride_rgb24 = -dst_stride_rgb24;
1.707 + }
1.708 + void (*I422ToRGB24Row)(const uint8* y_buf,
1.709 + const uint8* u_buf,
1.710 + const uint8* v_buf,
1.711 + uint8* rgb_buf,
1.712 + int width) = I422ToRGB24Row_C;
1.713 +#if defined(HAS_I422TORGB24ROW_SSSE3)
1.714 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.715 + I422ToRGB24Row = I422ToRGB24Row_Any_SSSE3;
1.716 + if (IS_ALIGNED(width, 8)) {
1.717 + I422ToRGB24Row = I422ToRGB24Row_SSSE3;
1.718 + }
1.719 + }
1.720 +#elif defined(HAS_I422TORGB24ROW_NEON)
1.721 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.722 + I422ToRGB24Row = I422ToRGB24Row_Any_NEON;
1.723 + if (IS_ALIGNED(width, 8)) {
1.724 + I422ToRGB24Row = I422ToRGB24Row_NEON;
1.725 + }
1.726 + }
1.727 +#endif
1.728 +
1.729 + for (int y = 0; y < height; ++y) {
1.730 + I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, width);
1.731 + dst_rgb24 += dst_stride_rgb24;
1.732 + src_y += src_stride_y;
1.733 + if (y & 1) {
1.734 + src_u += src_stride_u;
1.735 + src_v += src_stride_v;
1.736 + }
1.737 + }
1.738 + return 0;
1.739 +}
1.740 +
1.741 +// Convert I420 to RAW.
1.742 +LIBYUV_API
1.743 +int I420ToRAW(const uint8* src_y, int src_stride_y,
1.744 + const uint8* src_u, int src_stride_u,
1.745 + const uint8* src_v, int src_stride_v,
1.746 + uint8* dst_raw, int dst_stride_raw,
1.747 + int width, int height) {
1.748 + if (!src_y || !src_u || !src_v || !dst_raw ||
1.749 + width <= 0 || height == 0) {
1.750 + return -1;
1.751 + }
1.752 + // Negative height means invert the image.
1.753 + if (height < 0) {
1.754 + height = -height;
1.755 + dst_raw = dst_raw + (height - 1) * dst_stride_raw;
1.756 + dst_stride_raw = -dst_stride_raw;
1.757 + }
1.758 + void (*I422ToRAWRow)(const uint8* y_buf,
1.759 + const uint8* u_buf,
1.760 + const uint8* v_buf,
1.761 + uint8* rgb_buf,
1.762 + int width) = I422ToRAWRow_C;
1.763 +#if defined(HAS_I422TORAWROW_SSSE3)
1.764 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.765 + I422ToRAWRow = I422ToRAWRow_Any_SSSE3;
1.766 + if (IS_ALIGNED(width, 8)) {
1.767 + I422ToRAWRow = I422ToRAWRow_SSSE3;
1.768 + }
1.769 + }
1.770 +#elif defined(HAS_I422TORAWROW_NEON)
1.771 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.772 + I422ToRAWRow = I422ToRAWRow_Any_NEON;
1.773 + if (IS_ALIGNED(width, 8)) {
1.774 + I422ToRAWRow = I422ToRAWRow_NEON;
1.775 + }
1.776 + }
1.777 +#endif
1.778 +
1.779 + for (int y = 0; y < height; ++y) {
1.780 + I422ToRAWRow(src_y, src_u, src_v, dst_raw, width);
1.781 + dst_raw += dst_stride_raw;
1.782 + src_y += src_stride_y;
1.783 + if (y & 1) {
1.784 + src_u += src_stride_u;
1.785 + src_v += src_stride_v;
1.786 + }
1.787 + }
1.788 + return 0;
1.789 +}
1.790 +
1.791 +// Convert I420 to ARGB1555.
1.792 +LIBYUV_API
1.793 +int I420ToARGB1555(const uint8* src_y, int src_stride_y,
1.794 + const uint8* src_u, int src_stride_u,
1.795 + const uint8* src_v, int src_stride_v,
1.796 + uint8* dst_argb1555, int dst_stride_argb1555,
1.797 + int width, int height) {
1.798 + if (!src_y || !src_u || !src_v || !dst_argb1555 ||
1.799 + width <= 0 || height == 0) {
1.800 + return -1;
1.801 + }
1.802 + // Negative height means invert the image.
1.803 + if (height < 0) {
1.804 + height = -height;
1.805 + dst_argb1555 = dst_argb1555 + (height - 1) * dst_stride_argb1555;
1.806 + dst_stride_argb1555 = -dst_stride_argb1555;
1.807 + }
1.808 + void (*I422ToARGB1555Row)(const uint8* y_buf,
1.809 + const uint8* u_buf,
1.810 + const uint8* v_buf,
1.811 + uint8* rgb_buf,
1.812 + int width) = I422ToARGB1555Row_C;
1.813 +#if defined(HAS_I422TOARGB1555ROW_SSSE3)
1.814 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.815 + I422ToARGB1555Row = I422ToARGB1555Row_Any_SSSE3;
1.816 + if (IS_ALIGNED(width, 8)) {
1.817 + I422ToARGB1555Row = I422ToARGB1555Row_SSSE3;
1.818 + }
1.819 + }
1.820 +#elif defined(HAS_I422TOARGB1555ROW_NEON)
1.821 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.822 + I422ToARGB1555Row = I422ToARGB1555Row_Any_NEON;
1.823 + if (IS_ALIGNED(width, 8)) {
1.824 + I422ToARGB1555Row = I422ToARGB1555Row_NEON;
1.825 + }
1.826 + }
1.827 +#endif
1.828 +
1.829 + for (int y = 0; y < height; ++y) {
1.830 + I422ToARGB1555Row(src_y, src_u, src_v, dst_argb1555, width);
1.831 + dst_argb1555 += dst_stride_argb1555;
1.832 + src_y += src_stride_y;
1.833 + if (y & 1) {
1.834 + src_u += src_stride_u;
1.835 + src_v += src_stride_v;
1.836 + }
1.837 + }
1.838 + return 0;
1.839 +}
1.840 +
1.841 +
1.842 +// Convert I420 to ARGB4444.
1.843 +LIBYUV_API
1.844 +int I420ToARGB4444(const uint8* src_y, int src_stride_y,
1.845 + const uint8* src_u, int src_stride_u,
1.846 + const uint8* src_v, int src_stride_v,
1.847 + uint8* dst_argb4444, int dst_stride_argb4444,
1.848 + int width, int height) {
1.849 + if (!src_y || !src_u || !src_v || !dst_argb4444 ||
1.850 + width <= 0 || height == 0) {
1.851 + return -1;
1.852 + }
1.853 + // Negative height means invert the image.
1.854 + if (height < 0) {
1.855 + height = -height;
1.856 + dst_argb4444 = dst_argb4444 + (height - 1) * dst_stride_argb4444;
1.857 + dst_stride_argb4444 = -dst_stride_argb4444;
1.858 + }
1.859 + void (*I422ToARGB4444Row)(const uint8* y_buf,
1.860 + const uint8* u_buf,
1.861 + const uint8* v_buf,
1.862 + uint8* rgb_buf,
1.863 + int width) = I422ToARGB4444Row_C;
1.864 +#if defined(HAS_I422TOARGB4444ROW_SSSE3)
1.865 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.866 + I422ToARGB4444Row = I422ToARGB4444Row_Any_SSSE3;
1.867 + if (IS_ALIGNED(width, 8)) {
1.868 + I422ToARGB4444Row = I422ToARGB4444Row_SSSE3;
1.869 + }
1.870 + }
1.871 +#elif defined(HAS_I422TOARGB4444ROW_NEON)
1.872 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.873 + I422ToARGB4444Row = I422ToARGB4444Row_Any_NEON;
1.874 + if (IS_ALIGNED(width, 8)) {
1.875 + I422ToARGB4444Row = I422ToARGB4444Row_NEON;
1.876 + }
1.877 + }
1.878 +#endif
1.879 +
1.880 + for (int y = 0; y < height; ++y) {
1.881 + I422ToARGB4444Row(src_y, src_u, src_v, dst_argb4444, width);
1.882 + dst_argb4444 += dst_stride_argb4444;
1.883 + src_y += src_stride_y;
1.884 + if (y & 1) {
1.885 + src_u += src_stride_u;
1.886 + src_v += src_stride_v;
1.887 + }
1.888 + }
1.889 + return 0;
1.890 +}
1.891 +
1.892 +// Convert I420 to RGB565.
1.893 +LIBYUV_API
1.894 +int I420ToRGB565(const uint8* src_y, int src_stride_y,
1.895 + const uint8* src_u, int src_stride_u,
1.896 + const uint8* src_v, int src_stride_v,
1.897 + uint8* dst_rgb565, int dst_stride_rgb565,
1.898 + int width, int height) {
1.899 + if (!src_y || !src_u || !src_v || !dst_rgb565 ||
1.900 + width <= 0 || height == 0) {
1.901 + return -1;
1.902 + }
1.903 + // Negative height means invert the image.
1.904 + if (height < 0) {
1.905 + height = -height;
1.906 + dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565;
1.907 + dst_stride_rgb565 = -dst_stride_rgb565;
1.908 + }
1.909 + void (*I422ToRGB565Row)(const uint8* y_buf,
1.910 + const uint8* u_buf,
1.911 + const uint8* v_buf,
1.912 + uint8* rgb_buf,
1.913 + int width) = I422ToRGB565Row_C;
1.914 +#if defined(HAS_I422TORGB565ROW_SSSE3)
1.915 + if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
1.916 + I422ToRGB565Row = I422ToRGB565Row_Any_SSSE3;
1.917 + if (IS_ALIGNED(width, 8)) {
1.918 + I422ToRGB565Row = I422ToRGB565Row_SSSE3;
1.919 + }
1.920 + }
1.921 +#elif defined(HAS_I422TORGB565ROW_NEON)
1.922 + if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
1.923 + I422ToRGB565Row = I422ToRGB565Row_Any_NEON;
1.924 + if (IS_ALIGNED(width, 8)) {
1.925 + I422ToRGB565Row = I422ToRGB565Row_NEON;
1.926 + }
1.927 + }
1.928 +#endif
1.929 +
1.930 + for (int y = 0; y < height; ++y) {
1.931 + I422ToRGB565Row(src_y, src_u, src_v, dst_rgb565, width);
1.932 + dst_rgb565 += dst_stride_rgb565;
1.933 + src_y += src_stride_y;
1.934 + if (y & 1) {
1.935 + src_u += src_stride_u;
1.936 + src_v += src_stride_v;
1.937 + }
1.938 + }
1.939 + return 0;
1.940 +}
1.941 +
1.942 +// Convert I420 to specified format
1.943 +LIBYUV_API
1.944 +int ConvertFromI420(const uint8* y, int y_stride,
1.945 + const uint8* u, int u_stride,
1.946 + const uint8* v, int v_stride,
1.947 + uint8* dst_sample, int dst_sample_stride,
1.948 + int width, int height,
1.949 + uint32 fourcc) {
1.950 + uint32 format = CanonicalFourCC(fourcc);
1.951 + if (!y || !u|| !v || !dst_sample ||
1.952 + width <= 0 || height == 0) {
1.953 + return -1;
1.954 + }
1.955 + int r = 0;
1.956 + switch (format) {
1.957 + // Single plane formats
1.958 + case FOURCC_YUY2:
1.959 + r = I420ToYUY2(y, y_stride,
1.960 + u, u_stride,
1.961 + v, v_stride,
1.962 + dst_sample,
1.963 + dst_sample_stride ? dst_sample_stride : width * 2,
1.964 + width, height);
1.965 + break;
1.966 + case FOURCC_UYVY:
1.967 + r = I420ToUYVY(y, y_stride,
1.968 + u, u_stride,
1.969 + v, v_stride,
1.970 + dst_sample,
1.971 + dst_sample_stride ? dst_sample_stride : width * 2,
1.972 + width, height);
1.973 + break;
1.974 + case FOURCC_RGBP:
1.975 + r = I420ToRGB565(y, y_stride,
1.976 + u, u_stride,
1.977 + v, v_stride,
1.978 + dst_sample,
1.979 + dst_sample_stride ? dst_sample_stride : width * 2,
1.980 + width, height);
1.981 + break;
1.982 + case FOURCC_RGBO:
1.983 + r = I420ToARGB1555(y, y_stride,
1.984 + u, u_stride,
1.985 + v, v_stride,
1.986 + dst_sample,
1.987 + dst_sample_stride ? dst_sample_stride : width * 2,
1.988 + width, height);
1.989 + break;
1.990 + case FOURCC_R444:
1.991 + r = I420ToARGB4444(y, y_stride,
1.992 + u, u_stride,
1.993 + v, v_stride,
1.994 + dst_sample,
1.995 + dst_sample_stride ? dst_sample_stride : width * 2,
1.996 + width, height);
1.997 + break;
1.998 + case FOURCC_24BG:
1.999 + r = I420ToRGB24(y, y_stride,
1.1000 + u, u_stride,
1.1001 + v, v_stride,
1.1002 + dst_sample,
1.1003 + dst_sample_stride ? dst_sample_stride : width * 3,
1.1004 + width, height);
1.1005 + break;
1.1006 + case FOURCC_RAW:
1.1007 + r = I420ToRAW(y, y_stride,
1.1008 + u, u_stride,
1.1009 + v, v_stride,
1.1010 + dst_sample,
1.1011 + dst_sample_stride ? dst_sample_stride : width * 3,
1.1012 + width, height);
1.1013 + break;
1.1014 + case FOURCC_ARGB:
1.1015 + r = I420ToARGB(y, y_stride,
1.1016 + u, u_stride,
1.1017 + v, v_stride,
1.1018 + dst_sample,
1.1019 + dst_sample_stride ? dst_sample_stride : width * 4,
1.1020 + width, height);
1.1021 + break;
1.1022 + case FOURCC_BGRA:
1.1023 + r = I420ToBGRA(y, y_stride,
1.1024 + u, u_stride,
1.1025 + v, v_stride,
1.1026 + dst_sample,
1.1027 + dst_sample_stride ? dst_sample_stride : width * 4,
1.1028 + width, height);
1.1029 + break;
1.1030 + case FOURCC_ABGR:
1.1031 + r = I420ToABGR(y, y_stride,
1.1032 + u, u_stride,
1.1033 + v, v_stride,
1.1034 + dst_sample,
1.1035 + dst_sample_stride ? dst_sample_stride : width * 4,
1.1036 + width, height);
1.1037 + break;
1.1038 + case FOURCC_RGBA:
1.1039 + r = I420ToRGBA(y, y_stride,
1.1040 + u, u_stride,
1.1041 + v, v_stride,
1.1042 + dst_sample,
1.1043 + dst_sample_stride ? dst_sample_stride : width * 4,
1.1044 + width, height);
1.1045 + break;
1.1046 + case FOURCC_BGGR:
1.1047 + r = I420ToBayerBGGR(y, y_stride,
1.1048 + u, u_stride,
1.1049 + v, v_stride,
1.1050 + dst_sample,
1.1051 + dst_sample_stride ? dst_sample_stride : width,
1.1052 + width, height);
1.1053 + break;
1.1054 + case FOURCC_GBRG:
1.1055 + r = I420ToBayerGBRG(y, y_stride,
1.1056 + u, u_stride,
1.1057 + v, v_stride,
1.1058 + dst_sample,
1.1059 + dst_sample_stride ? dst_sample_stride : width,
1.1060 + width, height);
1.1061 + break;
1.1062 + case FOURCC_GRBG:
1.1063 + r = I420ToBayerGRBG(y, y_stride,
1.1064 + u, u_stride,
1.1065 + v, v_stride,
1.1066 + dst_sample,
1.1067 + dst_sample_stride ? dst_sample_stride : width,
1.1068 + width, height);
1.1069 + break;
1.1070 + case FOURCC_RGGB:
1.1071 + r = I420ToBayerRGGB(y, y_stride,
1.1072 + u, u_stride,
1.1073 + v, v_stride,
1.1074 + dst_sample,
1.1075 + dst_sample_stride ? dst_sample_stride : width,
1.1076 + width, height);
1.1077 + break;
1.1078 + case FOURCC_I400:
1.1079 + r = I400Copy(y, y_stride,
1.1080 + dst_sample,
1.1081 + dst_sample_stride ? dst_sample_stride : width,
1.1082 + width, height);
1.1083 + break;
1.1084 + case FOURCC_NV12: {
1.1085 + uint8* dst_uv = dst_sample + width * height;
1.1086 + r = I420ToNV12(y, y_stride,
1.1087 + u, u_stride,
1.1088 + v, v_stride,
1.1089 + dst_sample,
1.1090 + dst_sample_stride ? dst_sample_stride : width,
1.1091 + dst_uv,
1.1092 + dst_sample_stride ? dst_sample_stride : width,
1.1093 + width, height);
1.1094 + break;
1.1095 + }
1.1096 + case FOURCC_NV21: {
1.1097 + uint8* dst_vu = dst_sample + width * height;
1.1098 + r = I420ToNV21(y, y_stride,
1.1099 + u, u_stride,
1.1100 + v, v_stride,
1.1101 + dst_sample,
1.1102 + dst_sample_stride ? dst_sample_stride : width,
1.1103 + dst_vu,
1.1104 + dst_sample_stride ? dst_sample_stride : width,
1.1105 + width, height);
1.1106 + break;
1.1107 + }
1.1108 + // TODO(fbarchard): Add M420 and Q420.
1.1109 + // Triplanar formats
1.1110 + // TODO(fbarchard): halfstride instead of halfwidth
1.1111 + case FOURCC_I420:
1.1112 + case FOURCC_YU12:
1.1113 + case FOURCC_YV12: {
1.1114 + int halfwidth = (width + 1) / 2;
1.1115 + int halfheight = (height + 1) / 2;
1.1116 + uint8* dst_u;
1.1117 + uint8* dst_v;
1.1118 + if (format == FOURCC_YV12) {
1.1119 + dst_v = dst_sample + width * height;
1.1120 + dst_u = dst_v + halfwidth * halfheight;
1.1121 + } else {
1.1122 + dst_u = dst_sample + width * height;
1.1123 + dst_v = dst_u + halfwidth * halfheight;
1.1124 + }
1.1125 + r = I420Copy(y, y_stride,
1.1126 + u, u_stride,
1.1127 + v, v_stride,
1.1128 + dst_sample, width,
1.1129 + dst_u, halfwidth,
1.1130 + dst_v, halfwidth,
1.1131 + width, height);
1.1132 + break;
1.1133 + }
1.1134 + case FOURCC_I422:
1.1135 + case FOURCC_YV16: {
1.1136 + int halfwidth = (width + 1) / 2;
1.1137 + uint8* dst_u;
1.1138 + uint8* dst_v;
1.1139 + if (format == FOURCC_YV16) {
1.1140 + dst_v = dst_sample + width * height;
1.1141 + dst_u = dst_v + halfwidth * height;
1.1142 + } else {
1.1143 + dst_u = dst_sample + width * height;
1.1144 + dst_v = dst_u + halfwidth * height;
1.1145 + }
1.1146 + r = I420ToI422(y, y_stride,
1.1147 + u, u_stride,
1.1148 + v, v_stride,
1.1149 + dst_sample, width,
1.1150 + dst_u, halfwidth,
1.1151 + dst_v, halfwidth,
1.1152 + width, height);
1.1153 + break;
1.1154 + }
1.1155 + case FOURCC_I444:
1.1156 + case FOURCC_YV24: {
1.1157 + uint8* dst_u;
1.1158 + uint8* dst_v;
1.1159 + if (format == FOURCC_YV24) {
1.1160 + dst_v = dst_sample + width * height;
1.1161 + dst_u = dst_v + width * height;
1.1162 + } else {
1.1163 + dst_u = dst_sample + width * height;
1.1164 + dst_v = dst_u + width * height;
1.1165 + }
1.1166 + r = I420ToI444(y, y_stride,
1.1167 + u, u_stride,
1.1168 + v, v_stride,
1.1169 + dst_sample, width,
1.1170 + dst_u, width,
1.1171 + dst_v, width,
1.1172 + width, height);
1.1173 + break;
1.1174 + }
1.1175 + case FOURCC_I411: {
1.1176 + int quarterwidth = (width + 3) / 4;
1.1177 + uint8* dst_u = dst_sample + width * height;
1.1178 + uint8* dst_v = dst_u + quarterwidth * height;
1.1179 + r = I420ToI411(y, y_stride,
1.1180 + u, u_stride,
1.1181 + v, v_stride,
1.1182 + dst_sample, width,
1.1183 + dst_u, quarterwidth,
1.1184 + dst_v, quarterwidth,
1.1185 + width, height);
1.1186 + break;
1.1187 + }
1.1188 +
1.1189 + // Formats not supported - MJPG, biplanar, some rgb formats.
1.1190 + default:
1.1191 + return -1; // unknown fourcc - return failure code.
1.1192 + }
1.1193 + return r;
1.1194 +}
1.1195 +
1.1196 +#ifdef __cplusplus
1.1197 +} // extern "C"
1.1198 +} // namespace libyuv
1.1199 +#endif
