1 /*
2 * Copyright 2012 The LibYuv Project Authors. All rights reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "libyuv/convert_from.h"
12
13 #include "libyuv/basic_types.h"
14 #include "libyuv/convert.h" // For I420Copy
15 #include "libyuv/cpu_id.h"
16 #include "libyuv/planar_functions.h"
17 #include "libyuv/rotate.h"
18 #include "libyuv/scale.h" // For ScalePlane()
19 #include "libyuv/video_common.h"
20 #include "libyuv/row.h"
21
22 #ifdef __cplusplus
23 namespace libyuv {
24 extern "C" {
25 #endif
26
27 #define SUBSAMPLE(v, a, s) (v < 0) ? (-((-v + a) >> s)) : ((v + a) >> s)
Abs(int v)28 static __inline int Abs(int v) {
29 return v >= 0 ? v : -v;
30 }
31
32 // I420 To any I4xx YUV format with mirroring.
I420ToI4xx(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_y,int dst_stride_y,uint8 * dst_u,int dst_stride_u,uint8 * dst_v,int dst_stride_v,int src_y_width,int src_y_height,int dst_uv_width,int dst_uv_height)33 static int I420ToI4xx(const uint8* src_y, int src_stride_y,
34 const uint8* src_u, int src_stride_u,
35 const uint8* src_v, int src_stride_v,
36 uint8* dst_y, int dst_stride_y,
37 uint8* dst_u, int dst_stride_u,
38 uint8* dst_v, int dst_stride_v,
39 int src_y_width, int src_y_height,
40 int dst_uv_width, int dst_uv_height) {
41 const int dst_y_width = Abs(src_y_width);
42 const int dst_y_height = Abs(src_y_height);
43 const int src_uv_width = SUBSAMPLE(src_y_width, 1, 1);
44 const int src_uv_height = SUBSAMPLE(src_y_height, 1, 1);
45 if (src_y_width == 0 || src_y_height == 0 ||
46 dst_uv_width <= 0 || dst_uv_height <= 0) {
47 return -1;
48 }
49 ScalePlane(src_y, src_stride_y, src_y_width, src_y_height,
50 dst_y, dst_stride_y, dst_y_width, dst_y_height,
51 kFilterBilinear);
52 ScalePlane(src_u, src_stride_u, src_uv_width, src_uv_height,
53 dst_u, dst_stride_u, dst_uv_width, dst_uv_height,
54 kFilterBilinear);
55 ScalePlane(src_v, src_stride_v, src_uv_width, src_uv_height,
56 dst_v, dst_stride_v, dst_uv_width, dst_uv_height,
57 kFilterBilinear);
58 return 0;
59 }
60
61 // 420 chroma is 1/2 width, 1/2 height
62 // 422 chroma is 1/2 width, 1x height
63 LIBYUV_API
I420ToI422(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_y,int dst_stride_y,uint8 * dst_u,int dst_stride_u,uint8 * dst_v,int dst_stride_v,int width,int height)64 int I420ToI422(const uint8* src_y, int src_stride_y,
65 const uint8* src_u, int src_stride_u,
66 const uint8* src_v, int src_stride_v,
67 uint8* dst_y, int dst_stride_y,
68 uint8* dst_u, int dst_stride_u,
69 uint8* dst_v, int dst_stride_v,
70 int width, int height) {
71 const int dst_uv_width = (Abs(width) + 1) >> 1;
72 const int dst_uv_height = Abs(height);
73 return I420ToI4xx(src_y, src_stride_y,
74 src_u, src_stride_u,
75 src_v, src_stride_v,
76 dst_y, dst_stride_y,
77 dst_u, dst_stride_u,
78 dst_v, dst_stride_v,
79 width, height,
80 dst_uv_width, dst_uv_height);
81 }
82
83 // 420 chroma is 1/2 width, 1/2 height
84 // 444 chroma is 1x width, 1x height
85 LIBYUV_API
I420ToI444(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_y,int dst_stride_y,uint8 * dst_u,int dst_stride_u,uint8 * dst_v,int dst_stride_v,int width,int height)86 int I420ToI444(const uint8* src_y, int src_stride_y,
87 const uint8* src_u, int src_stride_u,
88 const uint8* src_v, int src_stride_v,
89 uint8* dst_y, int dst_stride_y,
90 uint8* dst_u, int dst_stride_u,
91 uint8* dst_v, int dst_stride_v,
92 int width, int height) {
93 const int dst_uv_width = Abs(width);
94 const int dst_uv_height = Abs(height);
95 return I420ToI4xx(src_y, src_stride_y,
96 src_u, src_stride_u,
97 src_v, src_stride_v,
98 dst_y, dst_stride_y,
99 dst_u, dst_stride_u,
100 dst_v, dst_stride_v,
101 width, height,
102 dst_uv_width, dst_uv_height);
103 }
104
105 // 420 chroma is 1/2 width, 1/2 height
106 // 411 chroma is 1/4 width, 1x height
107 LIBYUV_API
I420ToI411(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_y,int dst_stride_y,uint8 * dst_u,int dst_stride_u,uint8 * dst_v,int dst_stride_v,int width,int height)108 int I420ToI411(const uint8* src_y, int src_stride_y,
109 const uint8* src_u, int src_stride_u,
110 const uint8* src_v, int src_stride_v,
111 uint8* dst_y, int dst_stride_y,
112 uint8* dst_u, int dst_stride_u,
113 uint8* dst_v, int dst_stride_v,
114 int width, int height) {
115 const int dst_uv_width = (Abs(width) + 3) >> 2;
116 const int dst_uv_height = Abs(height);
117 return I420ToI4xx(src_y, src_stride_y,
118 src_u, src_stride_u,
119 src_v, src_stride_v,
120 dst_y, dst_stride_y,
121 dst_u, dst_stride_u,
122 dst_v, dst_stride_v,
123 width, height,
124 dst_uv_width, dst_uv_height);
125 }
126
127 // Copy to I400. Source can be I420,422,444,400,NV12,NV21
128 LIBYUV_API
I400Copy(const uint8 * src_y,int src_stride_y,uint8 * dst_y,int dst_stride_y,int width,int height)129 int I400Copy(const uint8* src_y, int src_stride_y,
130 uint8* dst_y, int dst_stride_y,
131 int width, int height) {
132 if (!src_y || !dst_y ||
133 width <= 0 || height == 0) {
134 return -1;
135 }
136 // Negative height means invert the image.
137 if (height < 0) {
138 height = -height;
139 src_y = src_y + (height - 1) * src_stride_y;
140 src_stride_y = -src_stride_y;
141 }
142 CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
143 return 0;
144 }
145
146 LIBYUV_API
I422ToYUY2(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_yuy2,int dst_stride_yuy2,int width,int height)147 int I422ToYUY2(const uint8* src_y, int src_stride_y,
148 const uint8* src_u, int src_stride_u,
149 const uint8* src_v, int src_stride_v,
150 uint8* dst_yuy2, int dst_stride_yuy2,
151 int width, int height) {
152 int y;
153 void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
154 const uint8* src_v, uint8* dst_yuy2, int width) =
155 I422ToYUY2Row_C;
156 if (!src_y || !src_u || !src_v || !dst_yuy2 ||
157 width <= 0 || height == 0) {
158 return -1;
159 }
160 // Negative height means invert the image.
161 if (height < 0) {
162 height = -height;
163 dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
164 dst_stride_yuy2 = -dst_stride_yuy2;
165 }
166 // Coalesce rows.
167 if (src_stride_y == width &&
168 src_stride_u * 2 == width &&
169 src_stride_v * 2 == width &&
170 dst_stride_yuy2 == width * 2) {
171 width *= height;
172 height = 1;
173 src_stride_y = src_stride_u = src_stride_v = dst_stride_yuy2 = 0;
174 }
175 #if defined(HAS_I422TOYUY2ROW_SSE2)
176 if (TestCpuFlag(kCpuHasSSE2)) {
177 I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
178 if (IS_ALIGNED(width, 16)) {
179 I422ToYUY2Row = I422ToYUY2Row_SSE2;
180 }
181 }
182 #endif
183 #if defined(HAS_I422TOYUY2ROW_NEON)
184 if (TestCpuFlag(kCpuHasNEON)) {
185 I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
186 if (IS_ALIGNED(width, 16)) {
187 I422ToYUY2Row = I422ToYUY2Row_NEON;
188 }
189 }
190 #endif
191
192 for (y = 0; y < height; ++y) {
193 I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
194 src_y += src_stride_y;
195 src_u += src_stride_u;
196 src_v += src_stride_v;
197 dst_yuy2 += dst_stride_yuy2;
198 }
199 return 0;
200 }
201
202 LIBYUV_API
I420ToYUY2(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_yuy2,int dst_stride_yuy2,int width,int height)203 int I420ToYUY2(const uint8* src_y, int src_stride_y,
204 const uint8* src_u, int src_stride_u,
205 const uint8* src_v, int src_stride_v,
206 uint8* dst_yuy2, int dst_stride_yuy2,
207 int width, int height) {
208 int y;
209 void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
210 const uint8* src_v, uint8* dst_yuy2, int width) =
211 I422ToYUY2Row_C;
212 if (!src_y || !src_u || !src_v || !dst_yuy2 ||
213 width <= 0 || height == 0) {
214 return -1;
215 }
216 // Negative height means invert the image.
217 if (height < 0) {
218 height = -height;
219 dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
220 dst_stride_yuy2 = -dst_stride_yuy2;
221 }
222 #if defined(HAS_I422TOYUY2ROW_SSE2)
223 if (TestCpuFlag(kCpuHasSSE2)) {
224 I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
225 if (IS_ALIGNED(width, 16)) {
226 I422ToYUY2Row = I422ToYUY2Row_SSE2;
227 }
228 }
229 #endif
230 #if defined(HAS_I422TOYUY2ROW_NEON)
231 if (TestCpuFlag(kCpuHasNEON)) {
232 I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
233 if (IS_ALIGNED(width, 16)) {
234 I422ToYUY2Row = I422ToYUY2Row_NEON;
235 }
236 }
237 #endif
238
239 for (y = 0; y < height - 1; y += 2) {
240 I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
241 I422ToYUY2Row(src_y + src_stride_y, src_u, src_v,
242 dst_yuy2 + dst_stride_yuy2, width);
243 src_y += src_stride_y * 2;
244 src_u += src_stride_u;
245 src_v += src_stride_v;
246 dst_yuy2 += dst_stride_yuy2 * 2;
247 }
248 if (height & 1) {
249 I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
250 }
251 return 0;
252 }
253
254 LIBYUV_API
I422ToUYVY(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_uyvy,int dst_stride_uyvy,int width,int height)255 int I422ToUYVY(const uint8* src_y, int src_stride_y,
256 const uint8* src_u, int src_stride_u,
257 const uint8* src_v, int src_stride_v,
258 uint8* dst_uyvy, int dst_stride_uyvy,
259 int width, int height) {
260 int y;
261 void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
262 const uint8* src_v, uint8* dst_uyvy, int width) =
263 I422ToUYVYRow_C;
264 if (!src_y || !src_u || !src_v || !dst_uyvy ||
265 width <= 0 || height == 0) {
266 return -1;
267 }
268 // Negative height means invert the image.
269 if (height < 0) {
270 height = -height;
271 dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
272 dst_stride_uyvy = -dst_stride_uyvy;
273 }
274 // Coalesce rows.
275 if (src_stride_y == width &&
276 src_stride_u * 2 == width &&
277 src_stride_v * 2 == width &&
278 dst_stride_uyvy == width * 2) {
279 width *= height;
280 height = 1;
281 src_stride_y = src_stride_u = src_stride_v = dst_stride_uyvy = 0;
282 }
283 #if defined(HAS_I422TOUYVYROW_SSE2)
284 if (TestCpuFlag(kCpuHasSSE2)) {
285 I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
286 if (IS_ALIGNED(width, 16)) {
287 I422ToUYVYRow = I422ToUYVYRow_SSE2;
288 }
289 }
290 #endif
291 #if defined(HAS_I422TOUYVYROW_NEON)
292 if (TestCpuFlag(kCpuHasNEON)) {
293 I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
294 if (IS_ALIGNED(width, 16)) {
295 I422ToUYVYRow = I422ToUYVYRow_NEON;
296 }
297 }
298 #endif
299
300 for (y = 0; y < height; ++y) {
301 I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
302 src_y += src_stride_y;
303 src_u += src_stride_u;
304 src_v += src_stride_v;
305 dst_uyvy += dst_stride_uyvy;
306 }
307 return 0;
308 }
309
310 LIBYUV_API
I420ToUYVY(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_uyvy,int dst_stride_uyvy,int width,int height)311 int I420ToUYVY(const uint8* src_y, int src_stride_y,
312 const uint8* src_u, int src_stride_u,
313 const uint8* src_v, int src_stride_v,
314 uint8* dst_uyvy, int dst_stride_uyvy,
315 int width, int height) {
316 int y;
317 void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
318 const uint8* src_v, uint8* dst_uyvy, int width) =
319 I422ToUYVYRow_C;
320 if (!src_y || !src_u || !src_v || !dst_uyvy ||
321 width <= 0 || height == 0) {
322 return -1;
323 }
324 // Negative height means invert the image.
325 if (height < 0) {
326 height = -height;
327 dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
328 dst_stride_uyvy = -dst_stride_uyvy;
329 }
330 #if defined(HAS_I422TOUYVYROW_SSE2)
331 if (TestCpuFlag(kCpuHasSSE2)) {
332 I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
333 if (IS_ALIGNED(width, 16)) {
334 I422ToUYVYRow = I422ToUYVYRow_SSE2;
335 }
336 }
337 #endif
338 #if defined(HAS_I422TOUYVYROW_NEON)
339 if (TestCpuFlag(kCpuHasNEON)) {
340 I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
341 if (IS_ALIGNED(width, 16)) {
342 I422ToUYVYRow = I422ToUYVYRow_NEON;
343 }
344 }
345 #endif
346
347 for (y = 0; y < height - 1; y += 2) {
348 I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
349 I422ToUYVYRow(src_y + src_stride_y, src_u, src_v,
350 dst_uyvy + dst_stride_uyvy, width);
351 src_y += src_stride_y * 2;
352 src_u += src_stride_u;
353 src_v += src_stride_v;
354 dst_uyvy += dst_stride_uyvy * 2;
355 }
356 if (height & 1) {
357 I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
358 }
359 return 0;
360 }
361
362 LIBYUV_API
I420ToNV12(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_y,int dst_stride_y,uint8 * dst_uv,int dst_stride_uv,int width,int height)363 int I420ToNV12(const uint8* src_y, int src_stride_y,
364 const uint8* src_u, int src_stride_u,
365 const uint8* src_v, int src_stride_v,
366 uint8* dst_y, int dst_stride_y,
367 uint8* dst_uv, int dst_stride_uv,
368 int width, int height) {
369 int y;
370 void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
371 int width) = MergeUVRow_C;
372 // Coalesce rows.
373 int halfwidth = (width + 1) >> 1;
374 int halfheight = (height + 1) >> 1;
375 if (!src_y || !src_u || !src_v || !dst_y || !dst_uv ||
376 width <= 0 || height == 0) {
377 return -1;
378 }
379 // Negative height means invert the image.
380 if (height < 0) {
381 height = -height;
382 halfheight = (height + 1) >> 1;
383 dst_y = dst_y + (height - 1) * dst_stride_y;
384 dst_uv = dst_uv + (halfheight - 1) * dst_stride_uv;
385 dst_stride_y = -dst_stride_y;
386 dst_stride_uv = -dst_stride_uv;
387 }
388 if (src_stride_y == width &&
389 dst_stride_y == width) {
390 width *= height;
391 height = 1;
392 src_stride_y = dst_stride_y = 0;
393 }
394 // Coalesce rows.
395 if (src_stride_u == halfwidth &&
396 src_stride_v == halfwidth &&
397 dst_stride_uv == halfwidth * 2) {
398 halfwidth *= halfheight;
399 halfheight = 1;
400 src_stride_u = src_stride_v = dst_stride_uv = 0;
401 }
402 #if defined(HAS_MERGEUVROW_SSE2)
403 if (TestCpuFlag(kCpuHasSSE2)) {
404 MergeUVRow_ = MergeUVRow_Any_SSE2;
405 if (IS_ALIGNED(halfwidth, 16)) {
406 MergeUVRow_ = MergeUVRow_SSE2;
407 }
408 }
409 #endif
410 #if defined(HAS_MERGEUVROW_AVX2)
411 if (TestCpuFlag(kCpuHasAVX2)) {
412 MergeUVRow_ = MergeUVRow_Any_AVX2;
413 if (IS_ALIGNED(halfwidth, 32)) {
414 MergeUVRow_ = MergeUVRow_AVX2;
415 }
416 }
417 #endif
418 #if defined(HAS_MERGEUVROW_NEON)
419 if (TestCpuFlag(kCpuHasNEON)) {
420 MergeUVRow_ = MergeUVRow_Any_NEON;
421 if (IS_ALIGNED(halfwidth, 16)) {
422 MergeUVRow_ = MergeUVRow_NEON;
423 }
424 }
425 #endif
426
427 CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
428 for (y = 0; y < halfheight; ++y) {
429 // Merge a row of U and V into a row of UV.
430 MergeUVRow_(src_u, src_v, dst_uv, halfwidth);
431 src_u += src_stride_u;
432 src_v += src_stride_v;
433 dst_uv += dst_stride_uv;
434 }
435 return 0;
436 }
437
438 LIBYUV_API
I420ToNV21(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_y,int dst_stride_y,uint8 * dst_vu,int dst_stride_vu,int width,int height)439 int I420ToNV21(const uint8* src_y, int src_stride_y,
440 const uint8* src_u, int src_stride_u,
441 const uint8* src_v, int src_stride_v,
442 uint8* dst_y, int dst_stride_y,
443 uint8* dst_vu, int dst_stride_vu,
444 int width, int height) {
445 return I420ToNV12(src_y, src_stride_y,
446 src_v, src_stride_v,
447 src_u, src_stride_u,
448 dst_y, src_stride_y,
449 dst_vu, dst_stride_vu,
450 width, height);
451 }
452
453 // Convert I420 to ARGB.
454 LIBYUV_API
I420ToARGB(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_argb,int dst_stride_argb,int width,int height)455 int I420ToARGB(const uint8* src_y, int src_stride_y,
456 const uint8* src_u, int src_stride_u,
457 const uint8* src_v, int src_stride_v,
458 uint8* dst_argb, int dst_stride_argb,
459 int width, int height) {
460 int y;
461 void (*I422ToARGBRow)(const uint8* y_buf,
462 const uint8* u_buf,
463 const uint8* v_buf,
464 uint8* rgb_buf,
465 int width) = I422ToARGBRow_C;
466 if (!src_y || !src_u || !src_v || !dst_argb ||
467 width <= 0 || height == 0) {
468 return -1;
469 }
470 // Negative height means invert the image.
471 if (height < 0) {
472 height = -height;
473 dst_argb = dst_argb + (height - 1) * dst_stride_argb;
474 dst_stride_argb = -dst_stride_argb;
475 }
476 #if defined(HAS_I422TOARGBROW_SSSE3)
477 if (TestCpuFlag(kCpuHasSSSE3)) {
478 I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
479 if (IS_ALIGNED(width, 8)) {
480 I422ToARGBRow = I422ToARGBRow_SSSE3;
481 }
482 }
483 #endif
484 #if defined(HAS_I422TOARGBROW_AVX2)
485 if (TestCpuFlag(kCpuHasAVX2)) {
486 I422ToARGBRow = I422ToARGBRow_Any_AVX2;
487 if (IS_ALIGNED(width, 16)) {
488 I422ToARGBRow = I422ToARGBRow_AVX2;
489 }
490 }
491 #endif
492 #if defined(HAS_I422TOARGBROW_NEON)
493 if (TestCpuFlag(kCpuHasNEON)) {
494 I422ToARGBRow = I422ToARGBRow_Any_NEON;
495 if (IS_ALIGNED(width, 8)) {
496 I422ToARGBRow = I422ToARGBRow_NEON;
497 }
498 }
499 #endif
500 #if defined(HAS_I422TOARGBROW_MIPS_DSPR2)
501 if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
502 IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
503 IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
504 IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) &&
505 IS_ALIGNED(dst_argb, 4) && IS_ALIGNED(dst_stride_argb, 4)) {
506 I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2;
507 }
508 #endif
509
510 for (y = 0; y < height; ++y) {
511 I422ToARGBRow(src_y, src_u, src_v, dst_argb, width);
512 dst_argb += dst_stride_argb;
513 src_y += src_stride_y;
514 if (y & 1) {
515 src_u += src_stride_u;
516 src_v += src_stride_v;
517 }
518 }
519 return 0;
520 }
521
522 // Convert I420 to BGRA.
523 LIBYUV_API
I420ToBGRA(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_bgra,int dst_stride_bgra,int width,int height)524 int I420ToBGRA(const uint8* src_y, int src_stride_y,
525 const uint8* src_u, int src_stride_u,
526 const uint8* src_v, int src_stride_v,
527 uint8* dst_bgra, int dst_stride_bgra,
528 int width, int height) {
529 int y;
530 void (*I422ToBGRARow)(const uint8* y_buf,
531 const uint8* u_buf,
532 const uint8* v_buf,
533 uint8* rgb_buf,
534 int width) = I422ToBGRARow_C;
535 if (!src_y || !src_u || !src_v || !dst_bgra ||
536 width <= 0 || height == 0) {
537 return -1;
538 }
539 // Negative height means invert the image.
540 if (height < 0) {
541 height = -height;
542 dst_bgra = dst_bgra + (height - 1) * dst_stride_bgra;
543 dst_stride_bgra = -dst_stride_bgra;
544 }
545 #if defined(HAS_I422TOBGRAROW_SSSE3)
546 if (TestCpuFlag(kCpuHasSSSE3)) {
547 I422ToBGRARow = I422ToBGRARow_Any_SSSE3;
548 if (IS_ALIGNED(width, 8)) {
549 I422ToBGRARow = I422ToBGRARow_SSSE3;
550 }
551 }
552 #endif
553 #if defined(HAS_I422TOBGRAROW_AVX2)
554 if (TestCpuFlag(kCpuHasAVX2)) {
555 I422ToBGRARow = I422ToBGRARow_Any_AVX2;
556 if (IS_ALIGNED(width, 16)) {
557 I422ToBGRARow = I422ToBGRARow_AVX2;
558 }
559 }
560 #endif
561 #if defined(HAS_I422TOBGRAROW_NEON)
562 if (TestCpuFlag(kCpuHasNEON)) {
563 I422ToBGRARow = I422ToBGRARow_Any_NEON;
564 if (IS_ALIGNED(width, 8)) {
565 I422ToBGRARow = I422ToBGRARow_NEON;
566 }
567 }
568 #endif
569 #if defined(HAS_I422TOBGRAROW_MIPS_DSPR2)
570 if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
571 IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
572 IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
573 IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) &&
574 IS_ALIGNED(dst_bgra, 4) && IS_ALIGNED(dst_stride_bgra, 4)) {
575 I422ToBGRARow = I422ToBGRARow_MIPS_DSPR2;
576 }
577 #endif
578
579 for (y = 0; y < height; ++y) {
580 I422ToBGRARow(src_y, src_u, src_v, dst_bgra, width);
581 dst_bgra += dst_stride_bgra;
582 src_y += src_stride_y;
583 if (y & 1) {
584 src_u += src_stride_u;
585 src_v += src_stride_v;
586 }
587 }
588 return 0;
589 }
590
591 // Convert I420 to ABGR.
592 LIBYUV_API
I420ToABGR(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_abgr,int dst_stride_abgr,int width,int height)593 int I420ToABGR(const uint8* src_y, int src_stride_y,
594 const uint8* src_u, int src_stride_u,
595 const uint8* src_v, int src_stride_v,
596 uint8* dst_abgr, int dst_stride_abgr,
597 int width, int height) {
598 int y;
599 void (*I422ToABGRRow)(const uint8* y_buf,
600 const uint8* u_buf,
601 const uint8* v_buf,
602 uint8* rgb_buf,
603 int width) = I422ToABGRRow_C;
604 if (!src_y || !src_u || !src_v || !dst_abgr ||
605 width <= 0 || height == 0) {
606 return -1;
607 }
608 // Negative height means invert the image.
609 if (height < 0) {
610 height = -height;
611 dst_abgr = dst_abgr + (height - 1) * dst_stride_abgr;
612 dst_stride_abgr = -dst_stride_abgr;
613 }
614 #if defined(HAS_I422TOABGRROW_SSSE3)
615 if (TestCpuFlag(kCpuHasSSSE3)) {
616 I422ToABGRRow = I422ToABGRRow_Any_SSSE3;
617 if (IS_ALIGNED(width, 8)) {
618 I422ToABGRRow = I422ToABGRRow_SSSE3;
619 }
620 }
621 #endif
622 #if defined(HAS_I422TOABGRROW_AVX2)
623 if (TestCpuFlag(kCpuHasAVX2)) {
624 I422ToABGRRow = I422ToABGRRow_Any_AVX2;
625 if (IS_ALIGNED(width, 16)) {
626 I422ToABGRRow = I422ToABGRRow_AVX2;
627 }
628 }
629 #endif
630 #if defined(HAS_I422TOABGRROW_NEON)
631 if (TestCpuFlag(kCpuHasNEON)) {
632 I422ToABGRRow = I422ToABGRRow_Any_NEON;
633 if (IS_ALIGNED(width, 8)) {
634 I422ToABGRRow = I422ToABGRRow_NEON;
635 }
636 }
637 #endif
638
639 for (y = 0; y < height; ++y) {
640 I422ToABGRRow(src_y, src_u, src_v, dst_abgr, width);
641 dst_abgr += dst_stride_abgr;
642 src_y += src_stride_y;
643 if (y & 1) {
644 src_u += src_stride_u;
645 src_v += src_stride_v;
646 }
647 }
648 return 0;
649 }
650
651 // Convert I420 to RGBA.
652 LIBYUV_API
I420ToRGBA(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_rgba,int dst_stride_rgba,int width,int height)653 int I420ToRGBA(const uint8* src_y, int src_stride_y,
654 const uint8* src_u, int src_stride_u,
655 const uint8* src_v, int src_stride_v,
656 uint8* dst_rgba, int dst_stride_rgba,
657 int width, int height) {
658 int y;
659 void (*I422ToRGBARow)(const uint8* y_buf,
660 const uint8* u_buf,
661 const uint8* v_buf,
662 uint8* rgb_buf,
663 int width) = I422ToRGBARow_C;
664 if (!src_y || !src_u || !src_v || !dst_rgba ||
665 width <= 0 || height == 0) {
666 return -1;
667 }
668 // Negative height means invert the image.
669 if (height < 0) {
670 height = -height;
671 dst_rgba = dst_rgba + (height - 1) * dst_stride_rgba;
672 dst_stride_rgba = -dst_stride_rgba;
673 }
674 #if defined(HAS_I422TORGBAROW_SSSE3)
675 if (TestCpuFlag(kCpuHasSSSE3)) {
676 I422ToRGBARow = I422ToRGBARow_Any_SSSE3;
677 if (IS_ALIGNED(width, 8)) {
678 I422ToRGBARow = I422ToRGBARow_SSSE3;
679 }
680 }
681 #endif
682 #if defined(HAS_I422TORGBAROW_AVX2)
683 if (TestCpuFlag(kCpuHasAVX2)) {
684 I422ToRGBARow = I422ToRGBARow_Any_AVX2;
685 if (IS_ALIGNED(width, 16)) {
686 I422ToRGBARow = I422ToRGBARow_AVX2;
687 }
688 }
689 #endif
690 #if defined(HAS_I422TORGBAROW_NEON)
691 if (TestCpuFlag(kCpuHasNEON)) {
692 I422ToRGBARow = I422ToRGBARow_Any_NEON;
693 if (IS_ALIGNED(width, 8)) {
694 I422ToRGBARow = I422ToRGBARow_NEON;
695 }
696 }
697 #endif
698
699 for (y = 0; y < height; ++y) {
700 I422ToRGBARow(src_y, src_u, src_v, dst_rgba, width);
701 dst_rgba += dst_stride_rgba;
702 src_y += src_stride_y;
703 if (y & 1) {
704 src_u += src_stride_u;
705 src_v += src_stride_v;
706 }
707 }
708 return 0;
709 }
710
711 // Convert I420 to RGB24.
712 LIBYUV_API
I420ToRGB24(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_rgb24,int dst_stride_rgb24,int width,int height)713 int I420ToRGB24(const uint8* src_y, int src_stride_y,
714 const uint8* src_u, int src_stride_u,
715 const uint8* src_v, int src_stride_v,
716 uint8* dst_rgb24, int dst_stride_rgb24,
717 int width, int height) {
718 int y;
719 void (*I422ToRGB24Row)(const uint8* y_buf,
720 const uint8* u_buf,
721 const uint8* v_buf,
722 uint8* rgb_buf,
723 int width) = I422ToRGB24Row_C;
724 if (!src_y || !src_u || !src_v || !dst_rgb24 ||
725 width <= 0 || height == 0) {
726 return -1;
727 }
728 // Negative height means invert the image.
729 if (height < 0) {
730 height = -height;
731 dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24;
732 dst_stride_rgb24 = -dst_stride_rgb24;
733 }
734 #if defined(HAS_I422TORGB24ROW_SSSE3)
735 if (TestCpuFlag(kCpuHasSSSE3)) {
736 I422ToRGB24Row = I422ToRGB24Row_Any_SSSE3;
737 if (IS_ALIGNED(width, 8)) {
738 I422ToRGB24Row = I422ToRGB24Row_SSSE3;
739 }
740 }
741 #endif
742 #if defined(HAS_I422TORGB24ROW_AVX2)
743 if (TestCpuFlag(kCpuHasAVX2)) {
744 I422ToRGB24Row = I422ToRGB24Row_Any_AVX2;
745 if (IS_ALIGNED(width, 16)) {
746 I422ToRGB24Row = I422ToRGB24Row_AVX2;
747 }
748 }
749 #endif
750 #if defined(HAS_I422TORGB24ROW_NEON)
751 if (TestCpuFlag(kCpuHasNEON)) {
752 I422ToRGB24Row = I422ToRGB24Row_Any_NEON;
753 if (IS_ALIGNED(width, 8)) {
754 I422ToRGB24Row = I422ToRGB24Row_NEON;
755 }
756 }
757 #endif
758
759 for (y = 0; y < height; ++y) {
760 I422ToRGB24Row(src_y, src_u, src_v, dst_rgb24, width);
761 dst_rgb24 += dst_stride_rgb24;
762 src_y += src_stride_y;
763 if (y & 1) {
764 src_u += src_stride_u;
765 src_v += src_stride_v;
766 }
767 }
768 return 0;
769 }
770
771 // Convert I420 to RAW.
772 LIBYUV_API
I420ToRAW(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_raw,int dst_stride_raw,int width,int height)773 int I420ToRAW(const uint8* src_y, int src_stride_y,
774 const uint8* src_u, int src_stride_u,
775 const uint8* src_v, int src_stride_v,
776 uint8* dst_raw, int dst_stride_raw,
777 int width, int height) {
778 int y;
779 void (*I422ToRAWRow)(const uint8* y_buf,
780 const uint8* u_buf,
781 const uint8* v_buf,
782 uint8* rgb_buf,
783 int width) = I422ToRAWRow_C;
784 if (!src_y || !src_u || !src_v || !dst_raw ||
785 width <= 0 || height == 0) {
786 return -1;
787 }
788 // Negative height means invert the image.
789 if (height < 0) {
790 height = -height;
791 dst_raw = dst_raw + (height - 1) * dst_stride_raw;
792 dst_stride_raw = -dst_stride_raw;
793 }
794 #if defined(HAS_I422TORAWROW_SSSE3)
795 if (TestCpuFlag(kCpuHasSSSE3)) {
796 I422ToRAWRow = I422ToRAWRow_Any_SSSE3;
797 if (IS_ALIGNED(width, 8)) {
798 I422ToRAWRow = I422ToRAWRow_SSSE3;
799 }
800 }
801 #endif
802 #if defined(HAS_I422TORAWROW_AVX2)
803 if (TestCpuFlag(kCpuHasAVX2)) {
804 I422ToRAWRow = I422ToRAWRow_Any_AVX2;
805 if (IS_ALIGNED(width, 16)) {
806 I422ToRAWRow = I422ToRAWRow_AVX2;
807 }
808 }
809 #endif
810 #if defined(HAS_I422TORAWROW_NEON)
811 if (TestCpuFlag(kCpuHasNEON)) {
812 I422ToRAWRow = I422ToRAWRow_Any_NEON;
813 if (IS_ALIGNED(width, 8)) {
814 I422ToRAWRow = I422ToRAWRow_NEON;
815 }
816 }
817 #endif
818
819 for (y = 0; y < height; ++y) {
820 I422ToRAWRow(src_y, src_u, src_v, dst_raw, width);
821 dst_raw += dst_stride_raw;
822 src_y += src_stride_y;
823 if (y & 1) {
824 src_u += src_stride_u;
825 src_v += src_stride_v;
826 }
827 }
828 return 0;
829 }
830
831 // Convert I420 to ARGB1555.
832 LIBYUV_API
I420ToARGB1555(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_argb1555,int dst_stride_argb1555,int width,int height)833 int I420ToARGB1555(const uint8* src_y, int src_stride_y,
834 const uint8* src_u, int src_stride_u,
835 const uint8* src_v, int src_stride_v,
836 uint8* dst_argb1555, int dst_stride_argb1555,
837 int width, int height) {
838 int y;
839 void (*I422ToARGB1555Row)(const uint8* y_buf,
840 const uint8* u_buf,
841 const uint8* v_buf,
842 uint8* rgb_buf,
843 int width) = I422ToARGB1555Row_C;
844 if (!src_y || !src_u || !src_v || !dst_argb1555 ||
845 width <= 0 || height == 0) {
846 return -1;
847 }
848 // Negative height means invert the image.
849 if (height < 0) {
850 height = -height;
851 dst_argb1555 = dst_argb1555 + (height - 1) * dst_stride_argb1555;
852 dst_stride_argb1555 = -dst_stride_argb1555;
853 }
854 #if defined(HAS_I422TOARGB1555ROW_SSSE3)
855 if (TestCpuFlag(kCpuHasSSSE3)) {
856 I422ToARGB1555Row = I422ToARGB1555Row_Any_SSSE3;
857 if (IS_ALIGNED(width, 8)) {
858 I422ToARGB1555Row = I422ToARGB1555Row_SSSE3;
859 }
860 }
861 #endif
862 #if defined(HAS_I422TOARGB1555ROW_AVX2)
863 if (TestCpuFlag(kCpuHasAVX2)) {
864 I422ToARGB1555Row = I422ToARGB1555Row_Any_AVX2;
865 if (IS_ALIGNED(width, 16)) {
866 I422ToARGB1555Row = I422ToARGB1555Row_AVX2;
867 }
868 }
869 #endif
870 #if defined(HAS_I422TOARGB1555ROW_NEON)
871 if (TestCpuFlag(kCpuHasNEON)) {
872 I422ToARGB1555Row = I422ToARGB1555Row_Any_NEON;
873 if (IS_ALIGNED(width, 8)) {
874 I422ToARGB1555Row = I422ToARGB1555Row_NEON;
875 }
876 }
877 #endif
878
879 for (y = 0; y < height; ++y) {
880 I422ToARGB1555Row(src_y, src_u, src_v, dst_argb1555, width);
881 dst_argb1555 += dst_stride_argb1555;
882 src_y += src_stride_y;
883 if (y & 1) {
884 src_u += src_stride_u;
885 src_v += src_stride_v;
886 }
887 }
888 return 0;
889 }
890
891
892 // Convert I420 to ARGB4444.
893 LIBYUV_API
I420ToARGB4444(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_argb4444,int dst_stride_argb4444,int width,int height)894 int I420ToARGB4444(const uint8* src_y, int src_stride_y,
895 const uint8* src_u, int src_stride_u,
896 const uint8* src_v, int src_stride_v,
897 uint8* dst_argb4444, int dst_stride_argb4444,
898 int width, int height) {
899 int y;
900 void (*I422ToARGB4444Row)(const uint8* y_buf,
901 const uint8* u_buf,
902 const uint8* v_buf,
903 uint8* rgb_buf,
904 int width) = I422ToARGB4444Row_C;
905 if (!src_y || !src_u || !src_v || !dst_argb4444 ||
906 width <= 0 || height == 0) {
907 return -1;
908 }
909 // Negative height means invert the image.
910 if (height < 0) {
911 height = -height;
912 dst_argb4444 = dst_argb4444 + (height - 1) * dst_stride_argb4444;
913 dst_stride_argb4444 = -dst_stride_argb4444;
914 }
915 #if defined(HAS_I422TOARGB4444ROW_SSSE3)
916 if (TestCpuFlag(kCpuHasSSSE3)) {
917 I422ToARGB4444Row = I422ToARGB4444Row_Any_SSSE3;
918 if (IS_ALIGNED(width, 8)) {
919 I422ToARGB4444Row = I422ToARGB4444Row_SSSE3;
920 }
921 }
922 #endif
923 #if defined(HAS_I422TOARGB4444ROW_AVX2)
924 if (TestCpuFlag(kCpuHasAVX2)) {
925 I422ToARGB4444Row = I422ToARGB4444Row_Any_AVX2;
926 if (IS_ALIGNED(width, 16)) {
927 I422ToARGB4444Row = I422ToARGB4444Row_AVX2;
928 }
929 }
930 #endif
931 #if defined(HAS_I422TOARGB4444ROW_NEON)
932 if (TestCpuFlag(kCpuHasNEON)) {
933 I422ToARGB4444Row = I422ToARGB4444Row_Any_NEON;
934 if (IS_ALIGNED(width, 8)) {
935 I422ToARGB4444Row = I422ToARGB4444Row_NEON;
936 }
937 }
938 #endif
939
940 for (y = 0; y < height; ++y) {
941 I422ToARGB4444Row(src_y, src_u, src_v, dst_argb4444, width);
942 dst_argb4444 += dst_stride_argb4444;
943 src_y += src_stride_y;
944 if (y & 1) {
945 src_u += src_stride_u;
946 src_v += src_stride_v;
947 }
948 }
949 return 0;
950 }
951
952 // Convert I420 to RGB565.
953 LIBYUV_API
I420ToRGB565(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_rgb565,int dst_stride_rgb565,int width,int height)954 int I420ToRGB565(const uint8* src_y, int src_stride_y,
955 const uint8* src_u, int src_stride_u,
956 const uint8* src_v, int src_stride_v,
957 uint8* dst_rgb565, int dst_stride_rgb565,
958 int width, int height) {
959 int y;
960 void (*I422ToRGB565Row)(const uint8* y_buf,
961 const uint8* u_buf,
962 const uint8* v_buf,
963 uint8* rgb_buf,
964 int width) = I422ToRGB565Row_C;
965 if (!src_y || !src_u || !src_v || !dst_rgb565 ||
966 width <= 0 || height == 0) {
967 return -1;
968 }
969 // Negative height means invert the image.
970 if (height < 0) {
971 height = -height;
972 dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565;
973 dst_stride_rgb565 = -dst_stride_rgb565;
974 }
975 #if defined(HAS_I422TORGB565ROW_SSSE3)
976 if (TestCpuFlag(kCpuHasSSSE3)) {
977 I422ToRGB565Row = I422ToRGB565Row_Any_SSSE3;
978 if (IS_ALIGNED(width, 8)) {
979 I422ToRGB565Row = I422ToRGB565Row_SSSE3;
980 }
981 }
982 #endif
983 #if defined(HAS_I422TORGB565ROW_AVX2)
984 if (TestCpuFlag(kCpuHasAVX2)) {
985 I422ToRGB565Row = I422ToRGB565Row_Any_AVX2;
986 if (IS_ALIGNED(width, 16)) {
987 I422ToRGB565Row = I422ToRGB565Row_AVX2;
988 }
989 }
990 #endif
991 #if defined(HAS_I422TORGB565ROW_NEON)
992 if (TestCpuFlag(kCpuHasNEON)) {
993 I422ToRGB565Row = I422ToRGB565Row_Any_NEON;
994 if (IS_ALIGNED(width, 8)) {
995 I422ToRGB565Row = I422ToRGB565Row_NEON;
996 }
997 }
998 #endif
999
1000 for (y = 0; y < height; ++y) {
1001 I422ToRGB565Row(src_y, src_u, src_v, dst_rgb565, width);
1002 dst_rgb565 += dst_stride_rgb565;
1003 src_y += src_stride_y;
1004 if (y & 1) {
1005 src_u += src_stride_u;
1006 src_v += src_stride_v;
1007 }
1008 }
1009 return 0;
1010 }
1011
1012 // Ordered 8x8 dither for 888 to 565. Values from 0 to 7.
1013 static const uint8 kDither565_4x4[16] = {
1014 0, 4, 1, 5,
1015 6, 2, 7, 3,
1016 1, 5, 0, 4,
1017 7, 3, 6, 2,
1018 };
1019
1020 // Convert I420 to RGB565 with dithering.
1021 LIBYUV_API
I420ToRGB565Dither(const uint8 * src_y,int src_stride_y,const uint8 * src_u,int src_stride_u,const uint8 * src_v,int src_stride_v,uint8 * dst_rgb565,int dst_stride_rgb565,const uint8 * dither4x4,int width,int height)1022 int I420ToRGB565Dither(const uint8* src_y, int src_stride_y,
1023 const uint8* src_u, int src_stride_u,
1024 const uint8* src_v, int src_stride_v,
1025 uint8* dst_rgb565, int dst_stride_rgb565,
1026 const uint8* dither4x4, int width, int height) {
1027 int y;
1028 void (*I422ToARGBRow)(const uint8* y_buf,
1029 const uint8* u_buf,
1030 const uint8* v_buf,
1031 uint8* rgb_buf,
1032 int width) = I422ToARGBRow_C;
1033 void (*ARGBToRGB565DitherRow)(const uint8* src_argb, uint8* dst_rgb,
1034 const uint32 dither4, int pix) = ARGBToRGB565DitherRow_C;
1035 if (!src_y || !src_u || !src_v || !dst_rgb565 ||
1036 width <= 0 || height == 0) {
1037 return -1;
1038 }
1039 // Negative height means invert the image.
1040 if (height < 0) {
1041 height = -height;
1042 dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565;
1043 dst_stride_rgb565 = -dst_stride_rgb565;
1044 }
1045 if (!dither4x4) {
1046 dither4x4 = kDither565_4x4;
1047 }
1048 #if defined(HAS_I422TOARGBROW_SSSE3)
1049 if (TestCpuFlag(kCpuHasSSSE3)) {
1050 I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
1051 if (IS_ALIGNED(width, 8)) {
1052 I422ToARGBRow = I422ToARGBRow_SSSE3;
1053 }
1054 }
1055 #endif
1056 #if defined(HAS_I422TOARGBROW_AVX2)
1057 if (TestCpuFlag(kCpuHasAVX2)) {
1058 I422ToARGBRow = I422ToARGBRow_Any_AVX2;
1059 if (IS_ALIGNED(width, 16)) {
1060 I422ToARGBRow = I422ToARGBRow_AVX2;
1061 }
1062 }
1063 #endif
1064 #if defined(HAS_I422TOARGBROW_NEON)
1065 if (TestCpuFlag(kCpuHasNEON)) {
1066 I422ToARGBRow = I422ToARGBRow_Any_NEON;
1067 if (IS_ALIGNED(width, 8)) {
1068 I422ToARGBRow = I422ToARGBRow_NEON;
1069 }
1070 }
1071 #endif
1072 #if defined(HAS_I422TOARGBROW_MIPS_DSPR2)
1073 if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
1074 IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
1075 IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
1076 IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2)) {
1077 I422ToARGBRow = I422ToARGBRow_MIPS_DSPR2;
1078 }
1079 #endif
1080 #if defined(HAS_ARGBTORGB565DITHERROW_SSE2)
1081 if (TestCpuFlag(kCpuHasSSE2)) {
1082 ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_SSE2;
1083 if (IS_ALIGNED(width, 4)) {
1084 ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_SSE2;
1085 }
1086 }
1087 #endif
1088 #if defined(HAS_ARGBTORGB565DITHERROW_AVX2)
1089 if (TestCpuFlag(kCpuHasAVX2)) {
1090 ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_AVX2;
1091 if (IS_ALIGNED(width, 8)) {
1092 ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_AVX2;
1093 }
1094 }
1095 #endif
1096 #if defined(HAS_ARGBTORGB565DITHERROW_NEON)
1097 if (TestCpuFlag(kCpuHasNEON)) {
1098 ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_NEON;
1099 if (IS_ALIGNED(width, 8)) {
1100 ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_NEON;
1101 }
1102 }
1103 #endif
1104 {
1105 // Allocate a row of argb.
1106 align_buffer_64(row_argb, width * 4);
1107 for (y = 0; y < height; ++y) {
1108 I422ToARGBRow(src_y, src_u, src_v, row_argb, width);
1109 ARGBToRGB565DitherRow(row_argb, dst_rgb565,
1110 *(uint32*)(dither4x4 + ((y & 3) << 2)), width);
1111 dst_rgb565 += dst_stride_rgb565;
1112 src_y += src_stride_y;
1113 if (y & 1) {
1114 src_u += src_stride_u;
1115 src_v += src_stride_v;
1116 }
1117 }
1118 free_aligned_buffer_64(row_argb);
1119 }
1120 return 0;
1121 }
1122
1123 // Convert I420 to specified format
1124 LIBYUV_API
ConvertFromI420(const uint8 * y,int y_stride,const uint8 * u,int u_stride,const uint8 * v,int v_stride,uint8 * dst_sample,int dst_sample_stride,int width,int height,uint32 fourcc)1125 int ConvertFromI420(const uint8* y, int y_stride,
1126 const uint8* u, int u_stride,
1127 const uint8* v, int v_stride,
1128 uint8* dst_sample, int dst_sample_stride,
1129 int width, int height,
1130 uint32 fourcc) {
1131 uint32 format = CanonicalFourCC(fourcc);
1132 int r = 0;
1133 if (!y || !u|| !v || !dst_sample ||
1134 width <= 0 || height == 0) {
1135 return -1;
1136 }
1137 switch (format) {
1138 // Single plane formats
1139 case FOURCC_YUY2:
1140 r = I420ToYUY2(y, y_stride,
1141 u, u_stride,
1142 v, v_stride,
1143 dst_sample,
1144 dst_sample_stride ? dst_sample_stride : width * 2,
1145 width, height);
1146 break;
1147 case FOURCC_UYVY:
1148 r = I420ToUYVY(y, y_stride,
1149 u, u_stride,
1150 v, v_stride,
1151 dst_sample,
1152 dst_sample_stride ? dst_sample_stride : width * 2,
1153 width, height);
1154 break;
1155 case FOURCC_RGBP:
1156 r = I420ToRGB565(y, y_stride,
1157 u, u_stride,
1158 v, v_stride,
1159 dst_sample,
1160 dst_sample_stride ? dst_sample_stride : width * 2,
1161 width, height);
1162 break;
1163 case FOURCC_RGBO:
1164 r = I420ToARGB1555(y, y_stride,
1165 u, u_stride,
1166 v, v_stride,
1167 dst_sample,
1168 dst_sample_stride ? dst_sample_stride : width * 2,
1169 width, height);
1170 break;
1171 case FOURCC_R444:
1172 r = I420ToARGB4444(y, y_stride,
1173 u, u_stride,
1174 v, v_stride,
1175 dst_sample,
1176 dst_sample_stride ? dst_sample_stride : width * 2,
1177 width, height);
1178 break;
1179 case FOURCC_24BG:
1180 r = I420ToRGB24(y, y_stride,
1181 u, u_stride,
1182 v, v_stride,
1183 dst_sample,
1184 dst_sample_stride ? dst_sample_stride : width * 3,
1185 width, height);
1186 break;
1187 case FOURCC_RAW:
1188 r = I420ToRAW(y, y_stride,
1189 u, u_stride,
1190 v, v_stride,
1191 dst_sample,
1192 dst_sample_stride ? dst_sample_stride : width * 3,
1193 width, height);
1194 break;
1195 case FOURCC_ARGB:
1196 r = I420ToARGB(y, y_stride,
1197 u, u_stride,
1198 v, v_stride,
1199 dst_sample,
1200 dst_sample_stride ? dst_sample_stride : width * 4,
1201 width, height);
1202 break;
1203 case FOURCC_BGRA:
1204 r = I420ToBGRA(y, y_stride,
1205 u, u_stride,
1206 v, v_stride,
1207 dst_sample,
1208 dst_sample_stride ? dst_sample_stride : width * 4,
1209 width, height);
1210 break;
1211 case FOURCC_ABGR:
1212 r = I420ToABGR(y, y_stride,
1213 u, u_stride,
1214 v, v_stride,
1215 dst_sample,
1216 dst_sample_stride ? dst_sample_stride : width * 4,
1217 width, height);
1218 break;
1219 case FOURCC_RGBA:
1220 r = I420ToRGBA(y, y_stride,
1221 u, u_stride,
1222 v, v_stride,
1223 dst_sample,
1224 dst_sample_stride ? dst_sample_stride : width * 4,
1225 width, height);
1226 break;
1227 case FOURCC_I400:
1228 r = I400Copy(y, y_stride,
1229 dst_sample,
1230 dst_sample_stride ? dst_sample_stride : width,
1231 width, height);
1232 break;
1233 case FOURCC_NV12: {
1234 uint8* dst_uv = dst_sample + width * height;
1235 r = I420ToNV12(y, y_stride,
1236 u, u_stride,
1237 v, v_stride,
1238 dst_sample,
1239 dst_sample_stride ? dst_sample_stride : width,
1240 dst_uv,
1241 dst_sample_stride ? dst_sample_stride : width,
1242 width, height);
1243 break;
1244 }
1245 case FOURCC_NV21: {
1246 uint8* dst_vu = dst_sample + width * height;
1247 r = I420ToNV21(y, y_stride,
1248 u, u_stride,
1249 v, v_stride,
1250 dst_sample,
1251 dst_sample_stride ? dst_sample_stride : width,
1252 dst_vu,
1253 dst_sample_stride ? dst_sample_stride : width,
1254 width, height);
1255 break;
1256 }
1257 // TODO(fbarchard): Add M420.
1258 // Triplanar formats
1259 // TODO(fbarchard): halfstride instead of halfwidth
1260 case FOURCC_I420:
1261 case FOURCC_YU12:
1262 case FOURCC_YV12: {
1263 int halfwidth = (width + 1) / 2;
1264 int halfheight = (height + 1) / 2;
1265 uint8* dst_u;
1266 uint8* dst_v;
1267 if (format == FOURCC_YV12) {
1268 dst_v = dst_sample + width * height;
1269 dst_u = dst_v + halfwidth * halfheight;
1270 } else {
1271 dst_u = dst_sample + width * height;
1272 dst_v = dst_u + halfwidth * halfheight;
1273 }
1274 r = I420Copy(y, y_stride,
1275 u, u_stride,
1276 v, v_stride,
1277 dst_sample, width,
1278 dst_u, halfwidth,
1279 dst_v, halfwidth,
1280 width, height);
1281 break;
1282 }
1283 case FOURCC_I422:
1284 case FOURCC_YV16: {
1285 int halfwidth = (width + 1) / 2;
1286 uint8* dst_u;
1287 uint8* dst_v;
1288 if (format == FOURCC_YV16) {
1289 dst_v = dst_sample + width * height;
1290 dst_u = dst_v + halfwidth * height;
1291 } else {
1292 dst_u = dst_sample + width * height;
1293 dst_v = dst_u + halfwidth * height;
1294 }
1295 r = I420ToI422(y, y_stride,
1296 u, u_stride,
1297 v, v_stride,
1298 dst_sample, width,
1299 dst_u, halfwidth,
1300 dst_v, halfwidth,
1301 width, height);
1302 break;
1303 }
1304 case FOURCC_I444:
1305 case FOURCC_YV24: {
1306 uint8* dst_u;
1307 uint8* dst_v;
1308 if (format == FOURCC_YV24) {
1309 dst_v = dst_sample + width * height;
1310 dst_u = dst_v + width * height;
1311 } else {
1312 dst_u = dst_sample + width * height;
1313 dst_v = dst_u + width * height;
1314 }
1315 r = I420ToI444(y, y_stride,
1316 u, u_stride,
1317 v, v_stride,
1318 dst_sample, width,
1319 dst_u, width,
1320 dst_v, width,
1321 width, height);
1322 break;
1323 }
1324 case FOURCC_I411: {
1325 int quarterwidth = (width + 3) / 4;
1326 uint8* dst_u = dst_sample + width * height;
1327 uint8* dst_v = dst_u + quarterwidth * height;
1328 r = I420ToI411(y, y_stride,
1329 u, u_stride,
1330 v, v_stride,
1331 dst_sample, width,
1332 dst_u, quarterwidth,
1333 dst_v, quarterwidth,
1334 width, height);
1335 break;
1336 }
1337
1338 // Formats not supported - MJPG, biplanar, some rgb formats.
1339 default:
1340 return -1; // unknown fourcc - return failure code.
1341 }
1342 return r;
1343 }
1344
1345 #ifdef __cplusplus
1346 } // extern "C"
1347 } // namespace libyuv
1348 #endif
1349