1 /*
2 * Copyright 2018, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "Codec2BufferUtils"
19 #define ATRACE_TAG ATRACE_TAG_VIDEO
20 #include <utils/Log.h>
21 #include <utils/Trace.h>
22
23 #include <libyuv.h>
24
25 #include <list>
26 #include <mutex>
27
28 #include <android/hardware_buffer.h>
29 #include <media/hardware/HardwareAPI.h>
30 #include <media/stagefright/foundation/ABuffer.h>
31 #include <media/stagefright/foundation/AMessage.h>
32 #include <media/stagefright/foundation/AUtils.h>
33 #include <media/stagefright/MediaCodecConstants.h>
34
35 #include <C2Debug.h>
36
37 #include "Codec2BufferUtils.h"
38
39 namespace android {
40
41 namespace {
42
43 /**
44 * A flippable, optimizable memcpy. Constructs such as (from ? src : dst)
45 * do not work as the results are always const.
46 */
47 template<bool ToA, size_t S>
48 struct MemCopier {
49 template<typename A, typename B>
copyandroid::__anon189219bc0111::MemCopier50 inline static void copy(A *a, const B *b, size_t size) {
51 __builtin_memcpy(a, b, size);
52 }
53 };
54
55 template<size_t S>
56 struct MemCopier<false, S> {
57 template<typename A, typename B>
copyandroid::__anon189219bc0111::MemCopier58 inline static void copy(const A *a, B *b, size_t size) {
59 MemCopier<true, S>::copy(b, a, size);
60 }
61 };
62
63 /**
64 * Copies between a MediaImage and a graphic view.
65 *
66 * \param ToMediaImage whether to copy to (or from) the MediaImage
67 * \param view graphic view (could be ConstGraphicView or GraphicView depending on direction)
68 * \param img MediaImage data
69 * \param imgBase base of MediaImage (could be const uint8_t* or uint8_t* depending on direction)
70 */
71 template<bool ToMediaImage, typename View, typename ImagePixel>
_ImageCopy(View & view,const MediaImage2 * img,ImagePixel * imgBase)72 static status_t _ImageCopy(View &view, const MediaImage2 *img, ImagePixel *imgBase) {
73 // TODO: more efficient copying --- e.g. copy interleaved planes together, etc.
74 const C2PlanarLayout &layout = view.layout();
75 const size_t bpp = divUp(img->mBitDepthAllocated, 8u);
76
77 for (uint32_t i = 0; i < layout.numPlanes; ++i) {
78 typename std::conditional<ToMediaImage, uint8_t, const uint8_t>::type *imgRow =
79 imgBase + img->mPlane[i].mOffset;
80 typename std::conditional<ToMediaImage, const uint8_t, uint8_t>::type *viewRow =
81 viewRow = view.data()[i];
82 const C2PlaneInfo &plane = layout.planes[i];
83 if (plane.colSampling != img->mPlane[i].mHorizSubsampling
84 || plane.rowSampling != img->mPlane[i].mVertSubsampling
85 || plane.allocatedDepth != img->mBitDepthAllocated
86 || plane.allocatedDepth < plane.bitDepth
87 // MediaImage only supports MSB values
88 || plane.rightShift != plane.allocatedDepth - plane.bitDepth
89 || (bpp > 1 && plane.endianness != plane.NATIVE)) {
90 return BAD_VALUE;
91 }
92
93 uint32_t planeW = img->mWidth / plane.colSampling;
94 uint32_t planeH = img->mHeight / plane.rowSampling;
95
96 bool canCopyByRow = (plane.colInc == bpp) && (img->mPlane[i].mColInc == bpp);
97 bool canCopyByPlane = canCopyByRow && (plane.rowInc == img->mPlane[i].mRowInc);
98 if (canCopyByPlane) {
99 MemCopier<ToMediaImage, 0>::copy(imgRow, viewRow, plane.rowInc * planeH);
100 } else if (canCopyByRow) {
101 for (uint32_t row = 0; row < planeH; ++row) {
102 MemCopier<ToMediaImage, 0>::copy(
103 imgRow, viewRow, std::min(plane.rowInc, img->mPlane[i].mRowInc));
104 imgRow += img->mPlane[i].mRowInc;
105 viewRow += plane.rowInc;
106 }
107 } else {
108 for (uint32_t row = 0; row < planeH; ++row) {
109 decltype(imgRow) imgPtr = imgRow;
110 decltype(viewRow) viewPtr = viewRow;
111 for (uint32_t col = 0; col < planeW; ++col) {
112 MemCopier<ToMediaImage, 0>::copy(imgPtr, viewPtr, bpp);
113 imgPtr += img->mPlane[i].mColInc;
114 viewPtr += plane.colInc;
115 }
116 imgRow += img->mPlane[i].mRowInc;
117 viewRow += plane.rowInc;
118 }
119 }
120 }
121 return OK;
122 }
123
124 } // namespace
125
ImageCopy(uint8_t * imgBase,const MediaImage2 * img,const C2GraphicView & view)126 status_t ImageCopy(uint8_t *imgBase, const MediaImage2 *img, const C2GraphicView &view) {
127 if (img == nullptr
128 || imgBase == nullptr
129 || view.crop().width != img->mWidth
130 || view.crop().height != img->mHeight) {
131 return BAD_VALUE;
132 }
133 const uint8_t* src_y = view.data()[0];
134 const uint8_t* src_u = view.data()[1];
135 const uint8_t* src_v = view.data()[2];
136 int32_t src_stride_y = view.layout().planes[0].rowInc;
137 int32_t src_stride_u = view.layout().planes[1].rowInc;
138 int32_t src_stride_v = view.layout().planes[2].rowInc;
139 uint8_t* dst_y = imgBase + img->mPlane[0].mOffset;
140 uint8_t* dst_u = imgBase + img->mPlane[1].mOffset;
141 uint8_t* dst_v = imgBase + img->mPlane[2].mOffset;
142 int32_t dst_stride_y = img->mPlane[0].mRowInc;
143 int32_t dst_stride_u = img->mPlane[1].mRowInc;
144 int32_t dst_stride_v = img->mPlane[2].mRowInc;
145 int width = view.crop().width;
146 int height = view.crop().height;
147
148 if (IsNV12(view)) {
149 if (IsNV12(img)) {
150 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV12->NV12");
151 libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
152 libyuv::CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width, height / 2);
153 return OK;
154 } else if (IsNV21(img)) {
155 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV12->NV21");
156 if (!libyuv::NV21ToNV12(src_y, src_stride_y, src_u, src_stride_u,
157 dst_y, dst_stride_y, dst_v, dst_stride_v, width, height)) {
158 return OK;
159 }
160 } else if (IsI420(img)) {
161 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV12->I420");
162 if (!libyuv::NV12ToI420(src_y, src_stride_y, src_u, src_stride_u, dst_y, dst_stride_y,
163 dst_u, dst_stride_u, dst_v, dst_stride_v, width, height)) {
164 return OK;
165 }
166 }
167 } else if (IsNV21(view)) {
168 if (IsNV12(img)) {
169 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV21->NV12");
170 if (!libyuv::NV21ToNV12(src_y, src_stride_y, src_v, src_stride_v,
171 dst_y, dst_stride_y, dst_u, dst_stride_u, width, height)) {
172 return OK;
173 }
174 } else if (IsNV21(img)) {
175 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV21->NV21");
176 libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
177 libyuv::CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width, height / 2);
178 return OK;
179 } else if (IsI420(img)) {
180 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV21->I420");
181 if (!libyuv::NV21ToI420(src_y, src_stride_y, src_v, src_stride_v, dst_y, dst_stride_y,
182 dst_u, dst_stride_u, dst_v, dst_stride_v, width, height)) {
183 return OK;
184 }
185 }
186 } else if (IsI420(view)) {
187 if (IsNV12(img)) {
188 ScopedTrace trace(ATRACE_TAG, "ImageCopy: I420->NV12");
189 if (!libyuv::I420ToNV12(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v,
190 dst_y, dst_stride_y, dst_u, dst_stride_u, width, height)) {
191 return OK;
192 }
193 } else if (IsNV21(img)) {
194 ScopedTrace trace(ATRACE_TAG, "ImageCopy: I420->NV21");
195 if (!libyuv::I420ToNV21(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v,
196 dst_y, dst_stride_y, dst_v, dst_stride_v, width, height)) {
197 return OK;
198 }
199 } else if (IsI420(img)) {
200 ScopedTrace trace(ATRACE_TAG, "ImageCopy: I420->I420");
201 libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
202 libyuv::CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width / 2, height / 2);
203 libyuv::CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width / 2, height / 2);
204 return OK;
205 }
206 }
207 ScopedTrace trace(ATRACE_TAG, "ImageCopy: generic");
208 return _ImageCopy<true>(view, img, imgBase);
209 }
210
ImageCopy(C2GraphicView & view,const uint8_t * imgBase,const MediaImage2 * img)211 status_t ImageCopy(C2GraphicView &view, const uint8_t *imgBase, const MediaImage2 *img) {
212 if (img == nullptr
213 || imgBase == nullptr
214 || view.crop().width != img->mWidth
215 || view.crop().height != img->mHeight) {
216 return BAD_VALUE;
217 }
218 const uint8_t* src_y = imgBase + img->mPlane[0].mOffset;
219 const uint8_t* src_u = imgBase + img->mPlane[1].mOffset;
220 const uint8_t* src_v = imgBase + img->mPlane[2].mOffset;
221 int32_t src_stride_y = img->mPlane[0].mRowInc;
222 int32_t src_stride_u = img->mPlane[1].mRowInc;
223 int32_t src_stride_v = img->mPlane[2].mRowInc;
224 uint8_t* dst_y = view.data()[0];
225 uint8_t* dst_u = view.data()[1];
226 uint8_t* dst_v = view.data()[2];
227 int32_t dst_stride_y = view.layout().planes[0].rowInc;
228 int32_t dst_stride_u = view.layout().planes[1].rowInc;
229 int32_t dst_stride_v = view.layout().planes[2].rowInc;
230 int width = view.crop().width;
231 int height = view.crop().height;
232 if (IsNV12(img)) {
233 if (IsNV12(view)) {
234 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV12->NV12");
235 libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
236 libyuv::CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width, height / 2);
237 return OK;
238 } else if (IsNV21(view)) {
239 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV12->NV21");
240 if (!libyuv::NV21ToNV12(src_y, src_stride_y, src_u, src_stride_u,
241 dst_y, dst_stride_y, dst_v, dst_stride_v, width, height)) {
242 return OK;
243 }
244 } else if (IsI420(view)) {
245 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV12->I420");
246 if (!libyuv::NV12ToI420(src_y, src_stride_y, src_u, src_stride_u, dst_y, dst_stride_y,
247 dst_u, dst_stride_u, dst_v, dst_stride_v, width, height)) {
248 return OK;
249 }
250 }
251 } else if (IsNV21(img)) {
252 if (IsNV12(view)) {
253 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV21->NV12");
254 if (!libyuv::NV21ToNV12(src_y, src_stride_y, src_v, src_stride_v,
255 dst_y, dst_stride_y, dst_u, dst_stride_u, width, height)) {
256 return OK;
257 }
258 } else if (IsNV21(view)) {
259 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV21->NV21");
260 libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
261 libyuv::CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width, height / 2);
262 return OK;
263 } else if (IsI420(view)) {
264 ScopedTrace trace(ATRACE_TAG, "ImageCopy: NV21->I420");
265 if (!libyuv::NV21ToI420(src_y, src_stride_y, src_v, src_stride_v, dst_y, dst_stride_y,
266 dst_u, dst_stride_u, dst_v, dst_stride_v, width, height)) {
267 return OK;
268 }
269 }
270 } else if (IsI420(img)) {
271 if (IsNV12(view)) {
272 ScopedTrace trace(ATRACE_TAG, "ImageCopy: I420->NV12");
273 if (!libyuv::I420ToNV12(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v,
274 dst_y, dst_stride_y, dst_u, dst_stride_u, width, height)) {
275 return OK;
276 }
277 } else if (IsNV21(view)) {
278 ScopedTrace trace(ATRACE_TAG, "ImageCopy: I420->NV21");
279 if (!libyuv::I420ToNV21(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v,
280 dst_y, dst_stride_y, dst_v, dst_stride_v, width, height)) {
281 return OK;
282 }
283 } else if (IsI420(view)) {
284 ScopedTrace trace(ATRACE_TAG, "ImageCopy: I420->I420");
285 libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
286 libyuv::CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width / 2, height / 2);
287 libyuv::CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width / 2, height / 2);
288 return OK;
289 }
290 }
291 ScopedTrace trace(ATRACE_TAG, "ImageCopy: generic");
292 return _ImageCopy<false>(view, img, imgBase);
293 }
294
IsYUV420(const C2GraphicView & view)295 bool IsYUV420(const C2GraphicView &view) {
296 const C2PlanarLayout &layout = view.layout();
297 return (layout.numPlanes == 3
298 && layout.type == C2PlanarLayout::TYPE_YUV
299 && layout.planes[layout.PLANE_Y].channel == C2PlaneInfo::CHANNEL_Y
300 && layout.planes[layout.PLANE_Y].allocatedDepth == 8
301 && layout.planes[layout.PLANE_Y].bitDepth == 8
302 && layout.planes[layout.PLANE_Y].rightShift == 0
303 && layout.planes[layout.PLANE_Y].colSampling == 1
304 && layout.planes[layout.PLANE_Y].rowSampling == 1
305 && layout.planes[layout.PLANE_U].channel == C2PlaneInfo::CHANNEL_CB
306 && layout.planes[layout.PLANE_U].allocatedDepth == 8
307 && layout.planes[layout.PLANE_U].bitDepth == 8
308 && layout.planes[layout.PLANE_U].rightShift == 0
309 && layout.planes[layout.PLANE_U].colSampling == 2
310 && layout.planes[layout.PLANE_U].rowSampling == 2
311 && layout.planes[layout.PLANE_V].channel == C2PlaneInfo::CHANNEL_CR
312 && layout.planes[layout.PLANE_V].allocatedDepth == 8
313 && layout.planes[layout.PLANE_V].bitDepth == 8
314 && layout.planes[layout.PLANE_V].rightShift == 0
315 && layout.planes[layout.PLANE_V].colSampling == 2
316 && layout.planes[layout.PLANE_V].rowSampling == 2);
317 }
318
IsYUV420_10bit(const C2GraphicView & view)319 bool IsYUV420_10bit(const C2GraphicView &view) {
320 const C2PlanarLayout &layout = view.layout();
321 return (layout.numPlanes == 3
322 && layout.type == C2PlanarLayout::TYPE_YUV
323 && layout.planes[layout.PLANE_Y].channel == C2PlaneInfo::CHANNEL_Y
324 && layout.planes[layout.PLANE_Y].allocatedDepth == 16
325 && layout.planes[layout.PLANE_Y].bitDepth == 10
326 && layout.planes[layout.PLANE_Y].colSampling == 1
327 && layout.planes[layout.PLANE_Y].rowSampling == 1
328 && layout.planes[layout.PLANE_U].channel == C2PlaneInfo::CHANNEL_CB
329 && layout.planes[layout.PLANE_U].allocatedDepth == 16
330 && layout.planes[layout.PLANE_U].bitDepth == 10
331 && layout.planes[layout.PLANE_U].colSampling == 2
332 && layout.planes[layout.PLANE_U].rowSampling == 2
333 && layout.planes[layout.PLANE_V].channel == C2PlaneInfo::CHANNEL_CR
334 && layout.planes[layout.PLANE_V].allocatedDepth == 16
335 && layout.planes[layout.PLANE_V].bitDepth == 10
336 && layout.planes[layout.PLANE_V].colSampling == 2
337 && layout.planes[layout.PLANE_V].rowSampling == 2);
338 }
339
340
IsNV12(const C2GraphicView & view)341 bool IsNV12(const C2GraphicView &view) {
342 if (!IsYUV420(view)) {
343 return false;
344 }
345 const C2PlanarLayout &layout = view.layout();
346 return (layout.rootPlanes == 2
347 && layout.planes[layout.PLANE_U].colInc == 2
348 && layout.planes[layout.PLANE_U].rootIx == layout.PLANE_U
349 && layout.planes[layout.PLANE_U].offset == 0
350 && layout.planes[layout.PLANE_V].colInc == 2
351 && layout.planes[layout.PLANE_V].rootIx == layout.PLANE_U
352 && layout.planes[layout.PLANE_V].offset == 1);
353 }
354
IsP010(const C2GraphicView & view)355 bool IsP010(const C2GraphicView &view) {
356 if (!IsYUV420_10bit(view)) {
357 return false;
358 }
359 const C2PlanarLayout &layout = view.layout();
360 return (layout.rootPlanes == 2
361 && layout.planes[layout.PLANE_U].colInc == 4
362 && layout.planes[layout.PLANE_U].rootIx == layout.PLANE_U
363 && layout.planes[layout.PLANE_U].offset == 0
364 && layout.planes[layout.PLANE_V].colInc == 4
365 && layout.planes[layout.PLANE_V].rootIx == layout.PLANE_U
366 && layout.planes[layout.PLANE_V].offset == 2
367 && layout.planes[layout.PLANE_Y].rightShift == 6
368 && layout.planes[layout.PLANE_U].rightShift == 6
369 && layout.planes[layout.PLANE_V].rightShift == 6);
370 }
371
372
IsNV21(const C2GraphicView & view)373 bool IsNV21(const C2GraphicView &view) {
374 if (!IsYUV420(view)) {
375 return false;
376 }
377 const C2PlanarLayout &layout = view.layout();
378 return (layout.rootPlanes == 2
379 && layout.planes[layout.PLANE_U].colInc == 2
380 && layout.planes[layout.PLANE_U].rootIx == layout.PLANE_V
381 && layout.planes[layout.PLANE_U].offset == 1
382 && layout.planes[layout.PLANE_V].colInc == 2
383 && layout.planes[layout.PLANE_V].rootIx == layout.PLANE_V
384 && layout.planes[layout.PLANE_V].offset == 0);
385 }
386
IsI420(const C2GraphicView & view)387 bool IsI420(const C2GraphicView &view) {
388 if (!IsYUV420(view)) {
389 return false;
390 }
391 const C2PlanarLayout &layout = view.layout();
392 return (layout.rootPlanes == 3
393 && layout.planes[layout.PLANE_U].colInc == 1
394 && layout.planes[layout.PLANE_U].rootIx == layout.PLANE_U
395 && layout.planes[layout.PLANE_U].offset == 0
396 && layout.planes[layout.PLANE_V].colInc == 1
397 && layout.planes[layout.PLANE_V].rootIx == layout.PLANE_V
398 && layout.planes[layout.PLANE_V].offset == 0);
399 }
400
IsYUV420(const MediaImage2 * img)401 bool IsYUV420(const MediaImage2 *img) {
402 return (img->mType == MediaImage2::MEDIA_IMAGE_TYPE_YUV
403 && img->mNumPlanes == 3
404 && img->mBitDepth == 8
405 && img->mBitDepthAllocated == 8
406 && img->mPlane[0].mHorizSubsampling == 1
407 && img->mPlane[0].mVertSubsampling == 1
408 && img->mPlane[1].mHorizSubsampling == 2
409 && img->mPlane[1].mVertSubsampling == 2
410 && img->mPlane[2].mHorizSubsampling == 2
411 && img->mPlane[2].mVertSubsampling == 2);
412 }
413
IsNV12(const MediaImage2 * img)414 bool IsNV12(const MediaImage2 *img) {
415 if (!IsYUV420(img)) {
416 return false;
417 }
418 return (img->mPlane[1].mColInc == 2
419 && img->mPlane[2].mColInc == 2
420 && (img->mPlane[2].mOffset == img->mPlane[1].mOffset + 1));
421 }
422
IsNV21(const MediaImage2 * img)423 bool IsNV21(const MediaImage2 *img) {
424 if (!IsYUV420(img)) {
425 return false;
426 }
427 return (img->mPlane[1].mColInc == 2
428 && img->mPlane[2].mColInc == 2
429 && (img->mPlane[1].mOffset == img->mPlane[2].mOffset + 1));
430 }
431
IsI420(const MediaImage2 * img)432 bool IsI420(const MediaImage2 *img) {
433 if (!IsYUV420(img)) {
434 return false;
435 }
436 return (img->mPlane[1].mColInc == 1
437 && img->mPlane[2].mColInc == 1
438 && img->mPlane[2].mOffset > img->mPlane[1].mOffset);
439 }
440
GetYuv420FlexibleLayout()441 FlexLayout GetYuv420FlexibleLayout() {
442 static FlexLayout sLayout = []{
443 AHardwareBuffer_Desc desc = {
444 16, // width
445 16, // height
446 1, // layers
447 AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420,
448 AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
449 0, // stride
450 0, // rfu0
451 0, // rfu1
452 };
453 AHardwareBuffer *buffer = nullptr;
454 int ret = AHardwareBuffer_allocate(&desc, &buffer);
455 if (ret != 0) {
456 return FLEX_LAYOUT_UNKNOWN;
457 }
458 class AutoCloser {
459 public:
460 AutoCloser(AHardwareBuffer *buffer) : mBuffer(buffer), mLocked(false) {}
461 ~AutoCloser() {
462 if (mLocked) {
463 AHardwareBuffer_unlock(mBuffer, nullptr);
464 }
465 AHardwareBuffer_release(mBuffer);
466 }
467
468 void setLocked() { mLocked = true; }
469
470 private:
471 AHardwareBuffer *mBuffer;
472 bool mLocked;
473 } autoCloser(buffer);
474 AHardwareBuffer_Planes planes;
475 ret = AHardwareBuffer_lockPlanes(
476 buffer,
477 AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN,
478 -1, // fence
479 nullptr, // rect
480 &planes);
481 if (ret != 0) {
482 AHardwareBuffer_release(buffer);
483 return FLEX_LAYOUT_UNKNOWN;
484 }
485 autoCloser.setLocked();
486 if (planes.planeCount != 3) {
487 return FLEX_LAYOUT_UNKNOWN;
488 }
489 if (planes.planes[0].pixelStride != 1) {
490 return FLEX_LAYOUT_UNKNOWN;
491 }
492 if (planes.planes[1].pixelStride == 1 && planes.planes[2].pixelStride == 1) {
493 return FLEX_LAYOUT_PLANAR;
494 }
495 if (planes.planes[1].pixelStride == 2 && planes.planes[2].pixelStride == 2) {
496 ssize_t uvDist =
497 static_cast<uint8_t *>(planes.planes[2].data) -
498 static_cast<uint8_t *>(planes.planes[1].data);
499 if (uvDist == 1) {
500 return FLEX_LAYOUT_SEMIPLANAR_UV;
501 } else if (uvDist == -1) {
502 return FLEX_LAYOUT_SEMIPLANAR_VU;
503 }
504 return FLEX_LAYOUT_UNKNOWN;
505 }
506 return FLEX_LAYOUT_UNKNOWN;
507 }();
508 return sLayout;
509 }
510
CreateYUV420PlanarMediaImage2(uint32_t width,uint32_t height,uint32_t stride,uint32_t vstride)511 MediaImage2 CreateYUV420PlanarMediaImage2(
512 uint32_t width, uint32_t height, uint32_t stride, uint32_t vstride) {
513 return MediaImage2 {
514 .mType = MediaImage2::MEDIA_IMAGE_TYPE_YUV,
515 .mNumPlanes = 3,
516 .mWidth = width,
517 .mHeight = height,
518 .mBitDepth = 8,
519 .mBitDepthAllocated = 8,
520 .mPlane = {
521 {
522 .mOffset = 0,
523 .mColInc = 1,
524 .mRowInc = (int32_t)stride,
525 .mHorizSubsampling = 1,
526 .mVertSubsampling = 1,
527 },
528 {
529 .mOffset = stride * vstride,
530 .mColInc = 1,
531 .mRowInc = (int32_t)stride / 2,
532 .mHorizSubsampling = 2,
533 .mVertSubsampling = 2,
534 },
535 {
536 .mOffset = stride * vstride * 5 / 4,
537 .mColInc = 1,
538 .mRowInc = (int32_t)stride / 2,
539 .mHorizSubsampling = 2,
540 .mVertSubsampling = 2,
541 }
542 },
543 };
544 }
545
CreateYUV420SemiPlanarMediaImage2(uint32_t width,uint32_t height,uint32_t stride,uint32_t vstride)546 MediaImage2 CreateYUV420SemiPlanarMediaImage2(
547 uint32_t width, uint32_t height, uint32_t stride, uint32_t vstride) {
548 return MediaImage2 {
549 .mType = MediaImage2::MEDIA_IMAGE_TYPE_YUV,
550 .mNumPlanes = 3,
551 .mWidth = width,
552 .mHeight = height,
553 .mBitDepth = 8,
554 .mBitDepthAllocated = 8,
555 .mPlane = {
556 {
557 .mOffset = 0,
558 .mColInc = 1,
559 .mRowInc = (int32_t)stride,
560 .mHorizSubsampling = 1,
561 .mVertSubsampling = 1,
562 },
563 {
564 .mOffset = stride * vstride,
565 .mColInc = 2,
566 .mRowInc = (int32_t)stride,
567 .mHorizSubsampling = 2,
568 .mVertSubsampling = 2,
569 },
570 {
571 .mOffset = stride * vstride + 1,
572 .mColInc = 2,
573 .mRowInc = (int32_t)stride,
574 .mHorizSubsampling = 2,
575 .mVertSubsampling = 2,
576 }
577 },
578 };
579 }
580
581 // Matrix coefficient to convert RGB to Planar YUV data.
582 // Each sub-array represents the 3X3 coeff used with R, G and B
583 static const int16_t bt601Matrix[2][3][3] = {
584 { { 77, 150, 29 }, { -43, -85, 128 }, { 128, -107, -21 } }, /* RANGE_FULL */
585 { { 66, 129, 25 }, { -38, -74, 112 }, { 112, -94, -18 } }, /* RANGE_LIMITED */
586 };
587
588 static const int16_t bt709Matrix[2][3][3] = {
589 // TRICKY: 18 is adjusted to 19 so that sum of row 1 is 256
590 { { 54, 183, 19 }, { -29, -99, 128 }, { 128, -116, -12 } }, /* RANGE_FULL */
591 // TRICKY: -87 is adjusted to -86 so that sum of row 2 is 0
592 { { 47, 157, 16 }, { -26, -86, 112 }, { 112, -102, -10 } }, /* RANGE_LIMITED */
593 };
594
ConvertRGBToPlanarYUV(uint8_t * dstY,size_t dstStride,size_t dstVStride,size_t bufferSize,const C2GraphicView & src,C2Color::matrix_t colorMatrix,C2Color::range_t colorRange)595 status_t ConvertRGBToPlanarYUV(
596 uint8_t *dstY, size_t dstStride, size_t dstVStride, size_t bufferSize,
597 const C2GraphicView &src, C2Color::matrix_t colorMatrix, C2Color::range_t colorRange) {
598 CHECK(dstY != nullptr);
599
600 if (dstStride * dstVStride * 3 / 2 > bufferSize) {
601 ALOGD("conversion buffer is too small for converting from RGB to YUV");
602 return NO_MEMORY;
603 }
604
605 uint8_t *dstU = dstY + dstStride * dstVStride;
606 uint8_t *dstV = dstU + (dstStride >> 1) * (dstVStride >> 1);
607
608 const C2PlanarLayout &layout = src.layout();
609 const uint8_t *pRed = src.data()[C2PlanarLayout::PLANE_R];
610 const uint8_t *pGreen = src.data()[C2PlanarLayout::PLANE_G];
611 const uint8_t *pBlue = src.data()[C2PlanarLayout::PLANE_B];
612
613 // set default range as limited
614 if (colorRange != C2Color::RANGE_FULL && colorRange != C2Color::RANGE_LIMITED) {
615 colorRange = C2Color::RANGE_LIMITED;
616 }
617 const int16_t (*weights)[3] =
618 (colorMatrix == C2Color::MATRIX_BT709) ?
619 bt709Matrix[colorRange - 1] : bt601Matrix[colorRange - 1];
620 uint8_t zeroLvl = colorRange == C2Color::RANGE_FULL ? 0 : 16;
621 uint8_t maxLvlLuma = colorRange == C2Color::RANGE_FULL ? 255 : 235;
622 uint8_t maxLvlChroma = colorRange == C2Color::RANGE_FULL ? 255 : 240;
623
624 #define CLIP3(min,v,max) (((v) < (min)) ? (min) : (((max) > (v)) ? (v) : (max)))
625 for (size_t y = 0; y < src.crop().height; ++y) {
626 for (size_t x = 0; x < src.crop().width; ++x) {
627 uint8_t r = *pRed;
628 uint8_t g = *pGreen;
629 uint8_t b = *pBlue;
630
631 unsigned luma = ((r * weights[0][0] + g * weights[0][1] + b * weights[0][2]) >> 8) +
632 zeroLvl;
633
634 dstY[x] = CLIP3(zeroLvl, luma, maxLvlLuma);
635
636 if ((x & 1) == 0 && (y & 1) == 0) {
637 unsigned U = ((r * weights[1][0] + g * weights[1][1] + b * weights[1][2]) >> 8) +
638 128;
639
640 unsigned V = ((r * weights[2][0] + g * weights[2][1] + b * weights[2][2]) >> 8) +
641 128;
642
643 dstU[x >> 1] = CLIP3(zeroLvl, U, maxLvlChroma);
644 dstV[x >> 1] = CLIP3(zeroLvl, V, maxLvlChroma);
645 }
646 pRed += layout.planes[C2PlanarLayout::PLANE_R].colInc;
647 pGreen += layout.planes[C2PlanarLayout::PLANE_G].colInc;
648 pBlue += layout.planes[C2PlanarLayout::PLANE_B].colInc;
649 }
650
651 if ((y & 1) == 0) {
652 dstU += dstStride >> 1;
653 dstV += dstStride >> 1;
654 }
655
656 pRed -= layout.planes[C2PlanarLayout::PLANE_R].colInc * src.width();
657 pGreen -= layout.planes[C2PlanarLayout::PLANE_G].colInc * src.width();
658 pBlue -= layout.planes[C2PlanarLayout::PLANE_B].colInc * src.width();
659 pRed += layout.planes[C2PlanarLayout::PLANE_R].rowInc;
660 pGreen += layout.planes[C2PlanarLayout::PLANE_G].rowInc;
661 pBlue += layout.planes[C2PlanarLayout::PLANE_B].rowInc;
662
663 dstY += dstStride;
664 }
665 return OK;
666 }
667
668 namespace {
669
670 /**
671 * A block of raw allocated memory.
672 */
673 struct MemoryBlockPoolBlock {
MemoryBlockPoolBlockandroid::__anon189219bc0311::MemoryBlockPoolBlock674 MemoryBlockPoolBlock(size_t size)
675 : mData(new uint8_t[size]), mSize(mData ? size : 0) { }
676
~MemoryBlockPoolBlockandroid::__anon189219bc0311::MemoryBlockPoolBlock677 ~MemoryBlockPoolBlock() {
678 delete[] mData;
679 }
680
dataandroid::__anon189219bc0311::MemoryBlockPoolBlock681 const uint8_t *data() const {
682 return mData;
683 }
684
sizeandroid::__anon189219bc0311::MemoryBlockPoolBlock685 size_t size() const {
686 return mSize;
687 }
688
689 C2_DO_NOT_COPY(MemoryBlockPoolBlock);
690
691 private:
692 uint8_t *mData;
693 size_t mSize;
694 };
695
696 /**
697 * A simple raw memory block pool implementation.
698 */
699 struct MemoryBlockPoolImpl {
releaseandroid::__anon189219bc0311::MemoryBlockPoolImpl700 void release(std::list<MemoryBlockPoolBlock>::const_iterator block) {
701 std::lock_guard<std::mutex> lock(mMutex);
702 // return block to free blocks if it is the current size; otherwise, discard
703 if (block->size() == mCurrentSize) {
704 mFreeBlocks.splice(mFreeBlocks.begin(), mBlocksInUse, block);
705 } else {
706 mBlocksInUse.erase(block);
707 }
708 }
709
fetchandroid::__anon189219bc0311::MemoryBlockPoolImpl710 std::list<MemoryBlockPoolBlock>::const_iterator fetch(size_t size) {
711 std::lock_guard<std::mutex> lock(mMutex);
712 mFreeBlocks.remove_if([size](const MemoryBlockPoolBlock &block) -> bool {
713 return block.size() != size;
714 });
715 mCurrentSize = size;
716 if (mFreeBlocks.empty()) {
717 mBlocksInUse.emplace_front(size);
718 } else {
719 mBlocksInUse.splice(mBlocksInUse.begin(), mFreeBlocks, mFreeBlocks.begin());
720 }
721 return mBlocksInUse.begin();
722 }
723
724 MemoryBlockPoolImpl() = default;
725
726 C2_DO_NOT_COPY(MemoryBlockPoolImpl);
727
728 private:
729 std::mutex mMutex;
730 std::list<MemoryBlockPoolBlock> mFreeBlocks;
731 std::list<MemoryBlockPoolBlock> mBlocksInUse;
732 size_t mCurrentSize;
733 };
734
735 } // namespace
736
737 struct MemoryBlockPool::Impl : MemoryBlockPoolImpl {
738 };
739
740 struct MemoryBlock::Impl {
Implandroid::MemoryBlock::Impl741 Impl(std::list<MemoryBlockPoolBlock>::const_iterator block,
742 std::shared_ptr<MemoryBlockPoolImpl> pool)
743 : mBlock(block), mPool(pool) {
744 }
745
~Implandroid::MemoryBlock::Impl746 ~Impl() {
747 mPool->release(mBlock);
748 }
749
dataandroid::MemoryBlock::Impl750 const uint8_t *data() const {
751 return mBlock->data();
752 }
753
sizeandroid::MemoryBlock::Impl754 size_t size() const {
755 return mBlock->size();
756 }
757
758 private:
759 std::list<MemoryBlockPoolBlock>::const_iterator mBlock;
760 std::shared_ptr<MemoryBlockPoolImpl> mPool;
761 };
762
fetch(size_t size)763 MemoryBlock MemoryBlockPool::fetch(size_t size) {
764 std::list<MemoryBlockPoolBlock>::const_iterator poolBlock = mImpl->fetch(size);
765 return MemoryBlock(std::make_shared<MemoryBlock::Impl>(
766 poolBlock, std::static_pointer_cast<MemoryBlockPoolImpl>(mImpl)));
767 }
768
MemoryBlockPool()769 MemoryBlockPool::MemoryBlockPool()
770 : mImpl(std::make_shared<MemoryBlockPool::Impl>()) {
771 }
772
MemoryBlock(std::shared_ptr<MemoryBlock::Impl> impl)773 MemoryBlock::MemoryBlock(std::shared_ptr<MemoryBlock::Impl> impl)
774 : mImpl(impl) {
775 }
776
777 MemoryBlock::MemoryBlock() = default;
778
779 MemoryBlock::~MemoryBlock() = default;
780
data() const781 const uint8_t* MemoryBlock::data() const {
782 return mImpl ? mImpl->data() : nullptr;
783 }
784
size() const785 size_t MemoryBlock::size() const {
786 return mImpl ? mImpl->size() : 0;
787 }
788
Allocate(size_t size)789 MemoryBlock MemoryBlock::Allocate(size_t size) {
790 return MemoryBlockPool().fetch(size);
791 }
792
GraphicView2MediaImageConverter(const C2GraphicView & view,const sp<AMessage> & format,bool copy)793 GraphicView2MediaImageConverter::GraphicView2MediaImageConverter(
794 const C2GraphicView &view, const sp<AMessage> &format, bool copy)
795 : mInitCheck(NO_INIT),
796 mView(view),
797 mWidth(view.width()),
798 mHeight(view.height()),
799 mAllocatedDepth(0),
800 mBackBufferSize(0),
801 mMediaImage(new ABuffer(sizeof(MediaImage2))) {
802 ATRACE_CALL();
803 if (!format->findInt32(KEY_COLOR_FORMAT, &mClientColorFormat)) {
804 mClientColorFormat = COLOR_FormatYUV420Flexible;
805 }
806 if (!format->findInt32("android._color-format", &mComponentColorFormat)) {
807 mComponentColorFormat = COLOR_FormatYUV420Flexible;
808 }
809 if (view.error() != C2_OK) {
810 ALOGD("Converter: view.error() = %d", view.error());
811 mInitCheck = BAD_VALUE;
812 return;
813 }
814 MediaImage2 *mediaImage = (MediaImage2 *)mMediaImage->base();
815 const C2PlanarLayout &layout = view.layout();
816 if (layout.numPlanes == 0) {
817 ALOGD("Converter: 0 planes");
818 mInitCheck = BAD_VALUE;
819 return;
820 }
821 memset(mediaImage, 0, sizeof(*mediaImage));
822 mAllocatedDepth = layout.planes[0].allocatedDepth;
823 uint32_t bitDepth = layout.planes[0].bitDepth;
824
825 // align width and height to support subsampling cleanly
826 uint32_t stride = align(view.crop().width, 2) * divUp(layout.planes[0].allocatedDepth, 8u);
827 uint32_t vStride = align(view.crop().height, 2);
828
829 bool tryWrapping = !copy;
830
831 switch (layout.type) {
832 case C2PlanarLayout::TYPE_YUV: {
833 mediaImage->mType = MediaImage2::MEDIA_IMAGE_TYPE_YUV;
834 if (layout.numPlanes != 3) {
835 ALOGD("Converter: %d planes for YUV layout", layout.numPlanes);
836 mInitCheck = BAD_VALUE;
837 return;
838 }
839 std::optional<int> clientBitDepth = {};
840 switch (mClientColorFormat) {
841 case COLOR_FormatYUVP010:
842 clientBitDepth = 10;
843 break;
844 case COLOR_FormatYUV411PackedPlanar:
845 case COLOR_FormatYUV411Planar:
846 case COLOR_FormatYUV420Flexible:
847 case COLOR_FormatYUV420PackedPlanar:
848 case COLOR_FormatYUV420PackedSemiPlanar:
849 case COLOR_FormatYUV420Planar:
850 case COLOR_FormatYUV420SemiPlanar:
851 case COLOR_FormatYUV422Flexible:
852 case COLOR_FormatYUV422PackedPlanar:
853 case COLOR_FormatYUV422PackedSemiPlanar:
854 case COLOR_FormatYUV422Planar:
855 case COLOR_FormatYUV422SemiPlanar:
856 case COLOR_FormatYUV444Flexible:
857 case COLOR_FormatYUV444Interleaved:
858 clientBitDepth = 8;
859 break;
860 default:
861 // no-op; used with optional
862 break;
863
864 }
865 // conversion fails if client bit-depth and the component bit-depth differs
866 if ((clientBitDepth) && (bitDepth != clientBitDepth.value())) {
867 ALOGD("Bit depth of client: %d and component: %d differs",
868 *clientBitDepth, bitDepth);
869 mInitCheck = BAD_VALUE;
870 return;
871 }
872 C2PlaneInfo yPlane = layout.planes[C2PlanarLayout::PLANE_Y];
873 C2PlaneInfo uPlane = layout.planes[C2PlanarLayout::PLANE_U];
874 C2PlaneInfo vPlane = layout.planes[C2PlanarLayout::PLANE_V];
875 if (yPlane.channel != C2PlaneInfo::CHANNEL_Y
876 || uPlane.channel != C2PlaneInfo::CHANNEL_CB
877 || vPlane.channel != C2PlaneInfo::CHANNEL_CR) {
878 ALOGD("Converter: not YUV layout");
879 mInitCheck = BAD_VALUE;
880 return;
881 }
882 bool yuv420888 = yPlane.rowSampling == 1 && yPlane.colSampling == 1
883 && uPlane.rowSampling == 2 && uPlane.colSampling == 2
884 && vPlane.rowSampling == 2 && vPlane.colSampling == 2;
885 if (yuv420888) {
886 for (uint32_t i = 0; i < 3; ++i) {
887 const C2PlaneInfo &plane = layout.planes[i];
888 if (plane.allocatedDepth != 8 || plane.bitDepth != 8) {
889 yuv420888 = false;
890 break;
891 }
892 }
893 yuv420888 = yuv420888 && yPlane.colInc == 1 && uPlane.rowInc == vPlane.rowInc;
894 }
895 int32_t copyFormat = mClientColorFormat;
896 if (yuv420888 && mClientColorFormat == COLOR_FormatYUV420Flexible) {
897 if (uPlane.colInc == 2 && vPlane.colInc == 2
898 && yPlane.rowInc == uPlane.rowInc) {
899 copyFormat = COLOR_FormatYUV420PackedSemiPlanar;
900 } else if (uPlane.colInc == 1 && vPlane.colInc == 1
901 && yPlane.rowInc == uPlane.rowInc * 2) {
902 copyFormat = COLOR_FormatYUV420PackedPlanar;
903 }
904 }
905 ALOGV("client_fmt=0x%x y:{colInc=%d rowInc=%d} u:{colInc=%d rowInc=%d} "
906 "v:{colInc=%d rowInc=%d}",
907 mClientColorFormat,
908 yPlane.colInc, yPlane.rowInc,
909 uPlane.colInc, uPlane.rowInc,
910 vPlane.colInc, vPlane.rowInc);
911 switch (copyFormat) {
912 case COLOR_FormatYUV420Flexible:
913 case COLOR_FormatYUV420Planar:
914 case COLOR_FormatYUV420PackedPlanar:
915 mediaImage->mPlane[mediaImage->Y].mOffset = 0;
916 mediaImage->mPlane[mediaImage->Y].mColInc = 1;
917 mediaImage->mPlane[mediaImage->Y].mRowInc = stride;
918 mediaImage->mPlane[mediaImage->Y].mHorizSubsampling = 1;
919 mediaImage->mPlane[mediaImage->Y].mVertSubsampling = 1;
920
921 mediaImage->mPlane[mediaImage->U].mOffset = stride * vStride;
922 mediaImage->mPlane[mediaImage->U].mColInc = 1;
923 mediaImage->mPlane[mediaImage->U].mRowInc = stride / 2;
924 mediaImage->mPlane[mediaImage->U].mHorizSubsampling = 2;
925 mediaImage->mPlane[mediaImage->U].mVertSubsampling = 2;
926
927 mediaImage->mPlane[mediaImage->V].mOffset = stride * vStride * 5 / 4;
928 mediaImage->mPlane[mediaImage->V].mColInc = 1;
929 mediaImage->mPlane[mediaImage->V].mRowInc = stride / 2;
930 mediaImage->mPlane[mediaImage->V].mHorizSubsampling = 2;
931 mediaImage->mPlane[mediaImage->V].mVertSubsampling = 2;
932
933 if (tryWrapping && mClientColorFormat != COLOR_FormatYUV420Flexible) {
934 tryWrapping = yuv420888 && uPlane.colInc == 1 && vPlane.colInc == 1
935 && yPlane.rowInc == uPlane.rowInc * 2
936 && view.data()[0] < view.data()[1]
937 && view.data()[1] < view.data()[2];
938 }
939 break;
940
941 case COLOR_FormatYUV420SemiPlanar:
942 case COLOR_FormatYUV420PackedSemiPlanar:
943 mediaImage->mPlane[mediaImage->Y].mOffset = 0;
944 mediaImage->mPlane[mediaImage->Y].mColInc = 1;
945 mediaImage->mPlane[mediaImage->Y].mRowInc = stride;
946 mediaImage->mPlane[mediaImage->Y].mHorizSubsampling = 1;
947 mediaImage->mPlane[mediaImage->Y].mVertSubsampling = 1;
948
949 mediaImage->mPlane[mediaImage->U].mOffset = stride * vStride;
950 mediaImage->mPlane[mediaImage->U].mColInc = 2;
951 mediaImage->mPlane[mediaImage->U].mRowInc = stride;
952 mediaImage->mPlane[mediaImage->U].mHorizSubsampling = 2;
953 mediaImage->mPlane[mediaImage->U].mVertSubsampling = 2;
954
955 mediaImage->mPlane[mediaImage->V].mOffset = stride * vStride + 1;
956 mediaImage->mPlane[mediaImage->V].mColInc = 2;
957 mediaImage->mPlane[mediaImage->V].mRowInc = stride;
958 mediaImage->mPlane[mediaImage->V].mHorizSubsampling = 2;
959 mediaImage->mPlane[mediaImage->V].mVertSubsampling = 2;
960
961 if (tryWrapping && mClientColorFormat != COLOR_FormatYUV420Flexible) {
962 tryWrapping = yuv420888 && uPlane.colInc == 2 && vPlane.colInc == 2
963 && yPlane.rowInc == uPlane.rowInc
964 && view.data()[0] < view.data()[1]
965 && view.data()[1] < view.data()[2];
966 }
967 break;
968
969 case COLOR_FormatYUVP010:
970 // stride is in bytes
971 mediaImage->mPlane[mediaImage->Y].mOffset = 0;
972 mediaImage->mPlane[mediaImage->Y].mColInc = 2;
973 mediaImage->mPlane[mediaImage->Y].mRowInc = stride;
974 mediaImage->mPlane[mediaImage->Y].mHorizSubsampling = 1;
975 mediaImage->mPlane[mediaImage->Y].mVertSubsampling = 1;
976
977 mediaImage->mPlane[mediaImage->U].mOffset = stride * vStride;
978 mediaImage->mPlane[mediaImage->U].mColInc = 4;
979 mediaImage->mPlane[mediaImage->U].mRowInc = stride;
980 mediaImage->mPlane[mediaImage->U].mHorizSubsampling = 2;
981 mediaImage->mPlane[mediaImage->U].mVertSubsampling = 2;
982
983 mediaImage->mPlane[mediaImage->V].mOffset = stride * vStride + 2;
984 mediaImage->mPlane[mediaImage->V].mColInc = 4;
985 mediaImage->mPlane[mediaImage->V].mRowInc = stride;
986 mediaImage->mPlane[mediaImage->V].mHorizSubsampling = 2;
987 mediaImage->mPlane[mediaImage->V].mVertSubsampling = 2;
988 if (tryWrapping) {
989 tryWrapping = yPlane.allocatedDepth == 16
990 && uPlane.allocatedDepth == 16
991 && vPlane.allocatedDepth == 16
992 && yPlane.bitDepth == 10
993 && uPlane.bitDepth == 10
994 && vPlane.bitDepth == 10
995 && yPlane.rightShift == 6
996 && uPlane.rightShift == 6
997 && vPlane.rightShift == 6
998 && yPlane.rowSampling == 1 && yPlane.colSampling == 1
999 && uPlane.rowSampling == 2 && uPlane.colSampling == 2
1000 && vPlane.rowSampling == 2 && vPlane.colSampling == 2
1001 && yPlane.colInc == 2
1002 && uPlane.colInc == 4
1003 && vPlane.colInc == 4
1004 && yPlane.rowInc == uPlane.rowInc
1005 && yPlane.rowInc == vPlane.rowInc;
1006 }
1007 break;
1008
1009 default: {
1010 // default to fully planar format --- this will be overridden if wrapping
1011 // TODO: keep interleaved format
1012 int32_t colInc = divUp(mAllocatedDepth, 8u);
1013 int32_t rowInc = stride * colInc / yPlane.colSampling;
1014 mediaImage->mPlane[mediaImage->Y].mOffset = 0;
1015 mediaImage->mPlane[mediaImage->Y].mColInc = colInc;
1016 mediaImage->mPlane[mediaImage->Y].mRowInc = rowInc;
1017 mediaImage->mPlane[mediaImage->Y].mHorizSubsampling = yPlane.colSampling;
1018 mediaImage->mPlane[mediaImage->Y].mVertSubsampling = yPlane.rowSampling;
1019 int32_t offset = rowInc * vStride / yPlane.rowSampling;
1020
1021 rowInc = stride * colInc / uPlane.colSampling;
1022 mediaImage->mPlane[mediaImage->U].mOffset = offset;
1023 mediaImage->mPlane[mediaImage->U].mColInc = colInc;
1024 mediaImage->mPlane[mediaImage->U].mRowInc = rowInc;
1025 mediaImage->mPlane[mediaImage->U].mHorizSubsampling = uPlane.colSampling;
1026 mediaImage->mPlane[mediaImage->U].mVertSubsampling = uPlane.rowSampling;
1027 offset += rowInc * vStride / uPlane.rowSampling;
1028
1029 rowInc = stride * colInc / vPlane.colSampling;
1030 mediaImage->mPlane[mediaImage->V].mOffset = offset;
1031 mediaImage->mPlane[mediaImage->V].mColInc = colInc;
1032 mediaImage->mPlane[mediaImage->V].mRowInc = rowInc;
1033 mediaImage->mPlane[mediaImage->V].mHorizSubsampling = vPlane.colSampling;
1034 mediaImage->mPlane[mediaImage->V].mVertSubsampling = vPlane.rowSampling;
1035 break;
1036 }
1037 }
1038 break;
1039 }
1040
1041 case C2PlanarLayout::TYPE_YUVA:
1042 ALOGD("Converter: unrecognized color format "
1043 "(client %d component %d) for YUVA layout",
1044 mClientColorFormat, mComponentColorFormat);
1045 mInitCheck = NO_INIT;
1046 return;
1047 case C2PlanarLayout::TYPE_RGB:
1048 mediaImage->mType = MediaImage2::MEDIA_IMAGE_TYPE_RGB;
1049 // TODO: support MediaImage layout
1050 switch (mClientColorFormat) {
1051 case COLOR_FormatSurface:
1052 case COLOR_FormatRGBFlexible:
1053 case COLOR_Format24bitBGR888:
1054 case COLOR_Format24bitRGB888:
1055 ALOGD("Converter: accept color format "
1056 "(client %d component %d) for RGB layout",
1057 mClientColorFormat, mComponentColorFormat);
1058 break;
1059 default:
1060 ALOGD("Converter: unrecognized color format "
1061 "(client %d component %d) for RGB layout",
1062 mClientColorFormat, mComponentColorFormat);
1063 mInitCheck = BAD_VALUE;
1064 return;
1065 }
1066 if (layout.numPlanes != 3) {
1067 ALOGD("Converter: %d planes for RGB layout", layout.numPlanes);
1068 mInitCheck = BAD_VALUE;
1069 return;
1070 }
1071 break;
1072 case C2PlanarLayout::TYPE_RGBA:
1073 mediaImage->mType = MediaImage2::MEDIA_IMAGE_TYPE_RGBA;
1074 // TODO: support MediaImage layout
1075 switch (mClientColorFormat) {
1076 case COLOR_FormatSurface:
1077 case COLOR_FormatRGBAFlexible:
1078 case COLOR_Format32bitABGR8888:
1079 case COLOR_Format32bitARGB8888:
1080 case COLOR_Format32bitBGRA8888:
1081 ALOGD("Converter: accept color format "
1082 "(client %d component %d) for RGBA layout",
1083 mClientColorFormat, mComponentColorFormat);
1084 break;
1085 default:
1086 ALOGD("Converter: unrecognized color format "
1087 "(client %d component %d) for RGBA layout",
1088 mClientColorFormat, mComponentColorFormat);
1089 mInitCheck = BAD_VALUE;
1090 return;
1091 }
1092 if (layout.numPlanes != 4) {
1093 ALOGD("Converter: %d planes for RGBA layout", layout.numPlanes);
1094 mInitCheck = BAD_VALUE;
1095 return;
1096 }
1097 break;
1098 default:
1099 mediaImage->mType = MediaImage2::MEDIA_IMAGE_TYPE_UNKNOWN;
1100 if (layout.numPlanes == 1) {
1101 const C2PlaneInfo &plane = layout.planes[0];
1102 if (plane.colInc < 0 || plane.rowInc < 0) {
1103 // Copy-only if we have negative colInc/rowInc
1104 tryWrapping = false;
1105 }
1106 mediaImage->mPlane[0].mOffset = 0;
1107 mediaImage->mPlane[0].mColInc = std::abs(plane.colInc);
1108 mediaImage->mPlane[0].mRowInc = std::abs(plane.rowInc);
1109 mediaImage->mPlane[0].mHorizSubsampling = plane.colSampling;
1110 mediaImage->mPlane[0].mVertSubsampling = plane.rowSampling;
1111 } else {
1112 ALOGD("Converter: unrecognized layout: color format (client %d component %d)",
1113 mClientColorFormat, mComponentColorFormat);
1114 mInitCheck = NO_INIT;
1115 return;
1116 }
1117 break;
1118 }
1119 if (tryWrapping) {
1120 // try to map directly. check if the planes are near one another
1121 const uint8_t *minPtr = mView.data()[0];
1122 const uint8_t *maxPtr = mView.data()[0];
1123 int32_t planeSize = 0;
1124 for (uint32_t i = 0; i < layout.numPlanes; ++i) {
1125 const C2PlaneInfo &plane = layout.planes[i];
1126 int64_t planeStride = std::abs(plane.rowInc / plane.colInc);
1127 ssize_t minOffset = plane.minOffset(
1128 mWidth / plane.colSampling, mHeight / plane.rowSampling);
1129 ssize_t maxOffset = plane.maxOffset(
1130 mWidth / plane.colSampling, mHeight / plane.rowSampling);
1131 if (minPtr > mView.data()[i] + minOffset) {
1132 minPtr = mView.data()[i] + minOffset;
1133 }
1134 if (maxPtr < mView.data()[i] + maxOffset) {
1135 maxPtr = mView.data()[i] + maxOffset;
1136 }
1137 planeSize += planeStride * divUp(mAllocatedDepth, 8u)
1138 * align(mHeight, 64) / plane.rowSampling;
1139 }
1140
1141 if (minPtr == mView.data()[0] && (maxPtr - minPtr) <= planeSize) {
1142 // FIXME: this is risky as reading/writing data out of bound results
1143 // in an undefined behavior, but gralloc does assume a
1144 // contiguous mapping
1145 for (uint32_t i = 0; i < layout.numPlanes; ++i) {
1146 const C2PlaneInfo &plane = layout.planes[i];
1147 mediaImage->mPlane[i].mOffset = mView.data()[i] - minPtr;
1148 mediaImage->mPlane[i].mColInc = plane.colInc;
1149 mediaImage->mPlane[i].mRowInc = plane.rowInc;
1150 mediaImage->mPlane[i].mHorizSubsampling = plane.colSampling;
1151 mediaImage->mPlane[i].mVertSubsampling = plane.rowSampling;
1152 }
1153 mWrapped = new ABuffer(const_cast<uint8_t *>(minPtr), maxPtr - minPtr);
1154 ALOGV("Converter: wrapped (capacity=%zu)", mWrapped->capacity());
1155 }
1156 }
1157 mediaImage->mNumPlanes = layout.numPlanes;
1158 mediaImage->mWidth = view.crop().width;
1159 mediaImage->mHeight = view.crop().height;
1160 mediaImage->mBitDepth = bitDepth;
1161 mediaImage->mBitDepthAllocated = mAllocatedDepth;
1162
1163 uint32_t bufferSize = 0;
1164 for (uint32_t i = 0; i < layout.numPlanes; ++i) {
1165 const C2PlaneInfo &plane = layout.planes[i];
1166 if (plane.allocatedDepth < plane.bitDepth
1167 || plane.rightShift != plane.allocatedDepth - plane.bitDepth) {
1168 ALOGD("rightShift value of %u unsupported", plane.rightShift);
1169 mInitCheck = BAD_VALUE;
1170 return;
1171 }
1172 if (plane.allocatedDepth > 8 && plane.endianness != C2PlaneInfo::NATIVE) {
1173 ALOGD("endianness value of %u unsupported", plane.endianness);
1174 mInitCheck = BAD_VALUE;
1175 return;
1176 }
1177 if (plane.allocatedDepth != mAllocatedDepth || plane.bitDepth != bitDepth) {
1178 ALOGD("different allocatedDepth/bitDepth per plane unsupported");
1179 mInitCheck = BAD_VALUE;
1180 return;
1181 }
1182 // stride is in bytes
1183 bufferSize += stride * vStride / plane.rowSampling / plane.colSampling;
1184 }
1185
1186 mBackBufferSize = bufferSize;
1187 mInitCheck = OK;
1188 }
1189
initCheck() const1190 status_t GraphicView2MediaImageConverter::initCheck() const { return mInitCheck; }
1191
backBufferSize() const1192 uint32_t GraphicView2MediaImageConverter::backBufferSize() const { return mBackBufferSize; }
1193
wrap() const1194 sp<ABuffer> GraphicView2MediaImageConverter::wrap() const {
1195 if (mBackBuffer == nullptr) {
1196 return mWrapped;
1197 }
1198 return nullptr;
1199 }
1200
setBackBuffer(const sp<ABuffer> & backBuffer)1201 bool GraphicView2MediaImageConverter::setBackBuffer(const sp<ABuffer> &backBuffer) {
1202 if (backBuffer == nullptr) {
1203 return false;
1204 }
1205 if (backBuffer->capacity() < mBackBufferSize) {
1206 return false;
1207 }
1208 backBuffer->setRange(0, mBackBufferSize);
1209 mBackBuffer = backBuffer;
1210 return true;
1211 }
1212
copyToMediaImage()1213 status_t GraphicView2MediaImageConverter::copyToMediaImage() {
1214 ATRACE_CALL();
1215 if (mInitCheck != OK) {
1216 return mInitCheck;
1217 }
1218 return ImageCopy(mBackBuffer->base(), getMediaImage(), mView);
1219 }
1220
imageData() const1221 const sp<ABuffer> &GraphicView2MediaImageConverter::imageData() const { return mMediaImage; }
1222
getMediaImage()1223 MediaImage2 *GraphicView2MediaImageConverter::getMediaImage() {
1224 return (MediaImage2 *)mMediaImage->base();
1225 }
1226
1227 } // namespace android
1228