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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "platform/graphics/ImageFrameGenerator.h" | 26 #include "platform/graphics/ImageFrameGenerator.h" |
27 | 27 |
28 #include "SkData.h" | 28 #include "SkData.h" |
29 #include "platform/TraceEvent.h" | 29 #include "platform/TraceEvent.h" |
30 #include "platform/graphics/ImageDecodingStore.h" | 30 #include "platform/graphics/ImageDecodingStore.h" |
31 #include "platform/image-decoders/ImageDecoder.h" | 31 #include "platform/image-decoders/ImageDecoder.h" |
32 #include "third_party/skia/include/core/SkYUVSizeInfo.h" | 32 #include "third_party/skia/include/core/SkYUVSizeInfo.h" |
| 33 #include "wtf/PtrUtil.h" |
| 34 #include <memory> |
33 | 35 |
34 namespace blink { | 36 namespace blink { |
35 | 37 |
36 static bool compatibleInfo(const SkImageInfo& src, const SkImageInfo& dst) | 38 static bool compatibleInfo(const SkImageInfo& src, const SkImageInfo& dst) |
37 { | 39 { |
38 if (src == dst) | 40 if (src == dst) |
39 return true; | 41 return true; |
40 | 42 |
41 // It is legal to write kOpaque_SkAlphaType pixels into a kPremul_SkAlphaTyp
e buffer. | 43 // It is legal to write kOpaque_SkAlphaType pixels into a kPremul_SkAlphaTyp
e buffer. |
42 // This can happen when DeferredImageDecoder allocates an kOpaque_SkAlphaTyp
e image | 44 // This can happen when DeferredImageDecoder allocates an kOpaque_SkAlphaTyp
e image |
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151 if (m_decodeFailed) | 153 if (m_decodeFailed) |
152 return false; | 154 return false; |
153 | 155 |
154 TRACE_EVENT1("blink", "ImageFrameGenerator::decodeToYUV", "frame index", sta
tic_cast<int>(index)); | 156 TRACE_EVENT1("blink", "ImageFrameGenerator::decodeToYUV", "frame index", sta
tic_cast<int>(index)); |
155 | 157 |
156 if (!planes || !planes[0] || !planes[1] || !planes[2] | 158 if (!planes || !planes[0] || !planes[1] || !planes[2] |
157 || !rowBytes || !rowBytes[0] || !rowBytes[1] || !rowBytes[2]) { | 159 || !rowBytes || !rowBytes[0] || !rowBytes[1] || !rowBytes[2]) { |
158 return false; | 160 return false; |
159 } | 161 } |
160 | 162 |
161 OwnPtr<ImageDecoder> decoder = ImageDecoder::create(*data, ImageDecoder::Alp
haPremultiplied, ImageDecoder::GammaAndColorProfileApplied); | 163 std::unique_ptr<ImageDecoder> decoder = ImageDecoder::create(*data, ImageDec
oder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied); |
162 // getYUVComponentSizes was already called and was successful, so ImageDecod
er::create must succeed. | 164 // getYUVComponentSizes was already called and was successful, so ImageDecod
er::create must succeed. |
163 ASSERT(decoder); | 165 ASSERT(decoder); |
164 | 166 |
165 decoder->setData(data, true); | 167 decoder->setData(data, true); |
166 | 168 |
167 OwnPtr<ImagePlanes> imagePlanes = adoptPtr(new ImagePlanes(planes, rowBytes)
); | 169 std::unique_ptr<ImagePlanes> imagePlanes = wrapUnique(new ImagePlanes(planes
, rowBytes)); |
168 decoder->setImagePlanes(std::move(imagePlanes)); | 170 decoder->setImagePlanes(std::move(imagePlanes)); |
169 | 171 |
170 ASSERT(decoder->canDecodeToYUV()); | 172 ASSERT(decoder->canDecodeToYUV()); |
171 | 173 |
172 if (decoder->decodeToYUV()) { | 174 if (decoder->decodeToYUV()) { |
173 setHasAlpha(0, false); // YUV is always opaque | 175 setHasAlpha(0, false); // YUV is always opaque |
174 return true; | 176 return true; |
175 } | 177 } |
176 | 178 |
177 ASSERT(decoder->failed()); | 179 ASSERT(decoder->failed()); |
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192 | 194 |
193 SkBitmap fullSizeImage; | 195 SkBitmap fullSizeImage; |
194 bool complete = decode(data, allDataReceived, index, &decoder, &fullSizeImag
e, allocator); | 196 bool complete = decode(data, allDataReceived, index, &decoder, &fullSizeImag
e, allocator); |
195 | 197 |
196 if (!decoder) | 198 if (!decoder) |
197 return SkBitmap(); | 199 return SkBitmap(); |
198 | 200 |
199 // If we are not resuming decoding that means the decoder is freshly | 201 // If we are not resuming decoding that means the decoder is freshly |
200 // created and we have ownership. If we are resuming decoding then | 202 // created and we have ownership. If we are resuming decoding then |
201 // the decoder is owned by ImageDecodingStore. | 203 // the decoder is owned by ImageDecodingStore. |
202 OwnPtr<ImageDecoder> decoderContainer; | 204 std::unique_ptr<ImageDecoder> decoderContainer; |
203 if (!resumeDecoding) | 205 if (!resumeDecoding) |
204 decoderContainer = adoptPtr(decoder); | 206 decoderContainer = wrapUnique(decoder); |
205 | 207 |
206 if (fullSizeImage.isNull()) { | 208 if (fullSizeImage.isNull()) { |
207 // If decoding has failed, we can save work in the future by | 209 // If decoding has failed, we can save work in the future by |
208 // ignoring further requests to decode the image. | 210 // ignoring further requests to decode the image. |
209 m_decodeFailed = decoder->failed(); | 211 m_decodeFailed = decoder->failed(); |
210 if (resumeDecoding) | 212 if (resumeDecoding) |
211 ImageDecodingStore::instance().unlockDecoder(this, decoder); | 213 ImageDecodingStore::instance().unlockDecoder(this, decoder); |
212 return SkBitmap(); | 214 return SkBitmap(); |
213 } | 215 } |
214 | 216 |
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255 { | 257 { |
256 ASSERT(m_decodeMutex.locked()); | 258 ASSERT(m_decodeMutex.locked()); |
257 TRACE_EVENT2("blink", "ImageFrameGenerator::decode", "width", m_fullSize.wid
th(), "height", m_fullSize.height()); | 259 TRACE_EVENT2("blink", "ImageFrameGenerator::decode", "width", m_fullSize.wid
th(), "height", m_fullSize.height()); |
258 | 260 |
259 // Try to create an ImageDecoder if we are not given one. | 261 // Try to create an ImageDecoder if we are not given one. |
260 ASSERT(decoder); | 262 ASSERT(decoder); |
261 bool newDecoder = false; | 263 bool newDecoder = false; |
262 if (!*decoder) { | 264 if (!*decoder) { |
263 newDecoder = true; | 265 newDecoder = true; |
264 if (m_imageDecoderFactory) | 266 if (m_imageDecoderFactory) |
265 *decoder = m_imageDecoderFactory->create().leakPtr(); | 267 *decoder = m_imageDecoderFactory->create().release(); |
266 | 268 |
267 if (!*decoder) | 269 if (!*decoder) |
268 *decoder = ImageDecoder::create(*data, ImageDecoder::AlphaPremultipl
ied, ImageDecoder::GammaAndColorProfileApplied).leakPtr(); | 270 *decoder = ImageDecoder::create(*data, ImageDecoder::AlphaPremultipl
ied, ImageDecoder::GammaAndColorProfileApplied).release(); |
269 | 271 |
270 if (!*decoder) | 272 if (!*decoder) |
271 return false; | 273 return false; |
272 } | 274 } |
273 | 275 |
274 if (!m_isMultiFrame && newDecoder && allDataReceived) { | 276 if (!m_isMultiFrame && newDecoder && allDataReceived) { |
275 // If we're using an external memory allocator that means we're decoding | 277 // If we're using an external memory allocator that means we're decoding |
276 // directly into the output memory and we can save one memcpy. | 278 // directly into the output memory and we can save one memcpy. |
277 ASSERT(allocator); | 279 ASSERT(allocator); |
278 (*decoder)->setMemoryAllocator(allocator); | 280 (*decoder)->setMemoryAllocator(allocator); |
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318 return true; | 320 return true; |
319 } | 321 } |
320 | 322 |
321 bool ImageFrameGenerator::getYUVComponentSizes(SegmentReader* data, SkYUVSizeInf
o* sizeInfo) | 323 bool ImageFrameGenerator::getYUVComponentSizes(SegmentReader* data, SkYUVSizeInf
o* sizeInfo) |
322 { | 324 { |
323 TRACE_EVENT2("blink", "ImageFrameGenerator::getYUVComponentSizes", "width",
m_fullSize.width(), "height", m_fullSize.height()); | 325 TRACE_EVENT2("blink", "ImageFrameGenerator::getYUVComponentSizes", "width",
m_fullSize.width(), "height", m_fullSize.height()); |
324 | 326 |
325 if (m_yuvDecodingFailed) | 327 if (m_yuvDecodingFailed) |
326 return false; | 328 return false; |
327 | 329 |
328 OwnPtr<ImageDecoder> decoder = ImageDecoder::create(*data, ImageDecoder::Alp
haPremultiplied, ImageDecoder::GammaAndColorProfileApplied); | 330 std::unique_ptr<ImageDecoder> decoder = ImageDecoder::create(*data, ImageDec
oder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied); |
329 if (!decoder) | 331 if (!decoder) |
330 return false; | 332 return false; |
331 | 333 |
332 // Setting a dummy ImagePlanes object signals to the decoder that we want to
do YUV decoding. | 334 // Setting a dummy ImagePlanes object signals to the decoder that we want to
do YUV decoding. |
333 decoder->setData(data, true); | 335 decoder->setData(data, true); |
334 OwnPtr<ImagePlanes> dummyImagePlanes = adoptPtr(new ImagePlanes); | 336 std::unique_ptr<ImagePlanes> dummyImagePlanes = wrapUnique(new ImagePlanes); |
335 decoder->setImagePlanes(std::move(dummyImagePlanes)); | 337 decoder->setImagePlanes(std::move(dummyImagePlanes)); |
336 | 338 |
337 return updateYUVComponentSizes(decoder.get(), sizeInfo->fSizes, sizeInfo->fW
idthBytes); | 339 return updateYUVComponentSizes(decoder.get(), sizeInfo->fSizes, sizeInfo->fW
idthBytes); |
338 } | 340 } |
339 | 341 |
340 } // namespace blink | 342 } // namespace blink |
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