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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 | |
| 33 #include "core/platform/image-decoders/webp/WEBPImageDecoder.h" | |
| 34 | |
| 35 #include "RuntimeEnabledFeatures.h" | |
| 36 #include "platform/SharedBuffer.h" | |
| 37 #include "public/platform/Platform.h" | |
| 38 #include "public/platform/WebData.h" | |
| 39 #include "public/platform/WebSize.h" | |
| 40 #include "public/platform/WebUnitTestSupport.h" | |
| 41 #include "wtf/OwnPtr.h" | |
| 42 #include "wtf/PassOwnPtr.h" | |
| 43 #include "wtf/StringHasher.h" | |
| 44 #include "wtf/Vector.h" | |
| 45 #include "wtf/dtoa/utils.h" | |
| 46 #include <gtest/gtest.h> | |
| 47 | |
| 48 using namespace WebCore; | |
| 49 using namespace blink; | |
| 50 | |
| 51 namespace { | |
| 52 | |
| 53 PassRefPtr<SharedBuffer> readFile(const char* fileName) | |
| 54 { | |
| 55 String filePath = Platform::current()->unitTestSupport()->webKitRootDir(); | |
| 56 filePath.append(fileName); | |
| 57 | |
| 58 return Platform::current()->unitTestSupport()->readFromFile(filePath); | |
| 59 } | |
| 60 | |
| 61 PassOwnPtr<WEBPImageDecoder> createDecoder() | |
| 62 { | |
| 63 return adoptPtr(new WEBPImageDecoder(ImageSource::AlphaNotPremultiplied, Ima
geSource::GammaAndColorProfileApplied, ImageDecoder::noDecodedImageByteLimit)); | |
| 64 } | |
| 65 | |
| 66 unsigned hashSkBitmap(const SkBitmap& bitmap) | |
| 67 { | |
| 68 return StringHasher::hashMemory(bitmap.getPixels(), bitmap.getSize()); | |
| 69 } | |
| 70 | |
| 71 void createDecodingBaseline(SharedBuffer* data, Vector<unsigned>* baselineHashes
) | |
| 72 { | |
| 73 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 74 decoder->setData(data, true); | |
| 75 size_t frameCount = decoder->frameCount(); | |
| 76 for (size_t i = 0; i < frameCount; ++i) { | |
| 77 ImageFrame* frame = decoder->frameBufferAtIndex(i); | |
| 78 baselineHashes->append(hashSkBitmap(frame->getSkBitmap())); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 void testRandomFrameDecode(const char* webpFile) | |
| 83 { | |
| 84 SCOPED_TRACE(webpFile); | |
| 85 | |
| 86 RefPtr<SharedBuffer> fullData = readFile(webpFile); | |
| 87 ASSERT_TRUE(fullData.get()); | |
| 88 Vector<unsigned> baselineHashes; | |
| 89 createDecodingBaseline(fullData.get(), &baselineHashes); | |
| 90 size_t frameCount = baselineHashes.size(); | |
| 91 | |
| 92 // Random decoding should get the same results as sequential decoding. | |
| 93 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 94 decoder->setData(fullData.get(), true); | |
| 95 const size_t skippingStep = 5; | |
| 96 for (size_t i = 0; i < skippingStep; ++i) { | |
| 97 for (size_t j = i; j < frameCount; j += skippingStep) { | |
| 98 SCOPED_TRACE(testing::Message() << "Random i:" << i << " j:" << j); | |
| 99 ImageFrame* frame = decoder->frameBufferAtIndex(j); | |
| 100 EXPECT_EQ(baselineHashes[j], hashSkBitmap(frame->getSkBitmap())); | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 // Decoding in reverse order. | |
| 105 decoder = createDecoder(); | |
| 106 decoder->setData(fullData.get(), true); | |
| 107 for (size_t i = frameCount; i; --i) { | |
| 108 SCOPED_TRACE(testing::Message() << "Reverse i:" << i); | |
| 109 ImageFrame* frame = decoder->frameBufferAtIndex(i - 1); | |
| 110 EXPECT_EQ(baselineHashes[i - 1], hashSkBitmap(frame->getSkBitmap())); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 void testRandomDecodeAfterClearFrameBufferCache(const char* webpFile) | |
| 115 { | |
| 116 SCOPED_TRACE(webpFile); | |
| 117 | |
| 118 RefPtr<SharedBuffer> data = readFile(webpFile); | |
| 119 ASSERT_TRUE(data.get()); | |
| 120 Vector<unsigned> baselineHashes; | |
| 121 createDecodingBaseline(data.get(), &baselineHashes); | |
| 122 size_t frameCount = baselineHashes.size(); | |
| 123 | |
| 124 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 125 decoder->setData(data.get(), true); | |
| 126 for (size_t clearExceptFrame = 0; clearExceptFrame < frameCount; ++clearExce
ptFrame) { | |
| 127 decoder->clearCacheExceptFrame(clearExceptFrame); | |
| 128 const size_t skippingStep = 5; | |
| 129 for (size_t i = 0; i < skippingStep; ++i) { | |
| 130 for (size_t j = 0; j < frameCount; j += skippingStep) { | |
| 131 SCOPED_TRACE(testing::Message() << "Random i:" << i << " j:" <<
j); | |
| 132 ImageFrame* frame = decoder->frameBufferAtIndex(j); | |
| 133 EXPECT_EQ(baselineHashes[j], hashSkBitmap(frame->getSkBitmap()))
; | |
| 134 } | |
| 135 } | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 void testDecodeAfterReallocatingData(const char* webpFile) | |
| 140 { | |
| 141 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 142 RefPtr<SharedBuffer> data = readFile(webpFile); | |
| 143 ASSERT_TRUE(data.get()); | |
| 144 | |
| 145 // Parse from 'data'. | |
| 146 decoder->setData(data.get(), true); | |
| 147 size_t frameCount = decoder->frameCount(); | |
| 148 | |
| 149 // ... and then decode frames from 'reallocatedData'. | |
| 150 RefPtr<SharedBuffer> reallocatedData = data.get()->copy(); | |
| 151 ASSERT_TRUE(reallocatedData.get()); | |
| 152 data.clear(); | |
| 153 decoder->setData(reallocatedData.get(), true); | |
| 154 | |
| 155 for (size_t i = 0; i < frameCount; ++i) { | |
| 156 const ImageFrame* const frame = decoder->frameBufferAtIndex(i); | |
| 157 EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 void testInvalidImage(const char* webpFile) | |
| 162 { | |
| 163 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 164 | |
| 165 RefPtr<SharedBuffer> data = readFile(webpFile); | |
| 166 ASSERT_TRUE(data.get()); | |
| 167 decoder->setData(data.get(), true); | |
| 168 | |
| 169 EXPECT_EQ(0u, decoder->frameCount()); | |
| 170 ImageFrame* frame = decoder->frameBufferAtIndex(0); | |
| 171 EXPECT_FALSE(frame); | |
| 172 EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); | |
| 173 } | |
| 174 | |
| 175 } // namespace | |
| 176 | |
| 177 class AnimatedWebPTests : public ::testing::Test { | |
| 178 protected: | |
| 179 virtual void SetUp() | |
| 180 { | |
| 181 // Enable animated WebP for all the tests. | |
| 182 WebCore::RuntimeEnabledFeatures::setAnimatedWebPEnabled(true); | |
| 183 } | |
| 184 }; | |
| 185 | |
| 186 TEST_F(AnimatedWebPTests, uniqueGenerationIDs) | |
| 187 { | |
| 188 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 189 | |
| 190 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/web
p-animated.webp"); | |
| 191 ASSERT_TRUE(data.get()); | |
| 192 decoder->setData(data.get(), true); | |
| 193 | |
| 194 ImageFrame* frame = decoder->frameBufferAtIndex(0); | |
| 195 uint32_t generationID0 = frame->getSkBitmap().getGenerationID(); | |
| 196 frame = decoder->frameBufferAtIndex(1); | |
| 197 uint32_t generationID1 = frame->getSkBitmap().getGenerationID(); | |
| 198 | |
| 199 EXPECT_TRUE(generationID0 != generationID1); | |
| 200 } | |
| 201 | |
| 202 TEST_F(AnimatedWebPTests, verifyAnimationParametersTransparentImage) | |
| 203 { | |
| 204 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 205 EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); | |
| 206 | |
| 207 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/web
p-animated.webp"); | |
| 208 ASSERT_TRUE(data.get()); | |
| 209 decoder->setData(data.get(), true); | |
| 210 | |
| 211 const int canvasWidth = 11; | |
| 212 const int canvasHeight = 29; | |
| 213 const struct AnimParam { | |
| 214 int xOffset, yOffset, width, height; | |
| 215 ImageFrame::DisposalMethod disposalMethod; | |
| 216 ImageFrame::AlphaBlendSource alphaBlendSource; | |
| 217 unsigned duration; | |
| 218 bool hasAlpha; | |
| 219 } frameParameters[] = { | |
| 220 { 0, 0, 11, 29, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFr
ame, 1000u, true }, | |
| 221 { 2, 10, 7, 17, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFr
ame, 500u, true }, | |
| 222 { 2, 2, 7, 16, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFra
me, 1000u, true }, | |
| 223 }; | |
| 224 | |
| 225 for (size_t i = 0; i < ARRAY_SIZE(frameParameters); ++i) { | |
| 226 const ImageFrame* const frame = decoder->frameBufferAtIndex(i); | |
| 227 EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); | |
| 228 EXPECT_EQ(canvasWidth, frame->getSkBitmap().width()); | |
| 229 EXPECT_EQ(canvasHeight, frame->getSkBitmap().height()); | |
| 230 EXPECT_EQ(frameParameters[i].xOffset, frame->originalFrameRect().x()); | |
| 231 EXPECT_EQ(frameParameters[i].yOffset, frame->originalFrameRect().y()); | |
| 232 EXPECT_EQ(frameParameters[i].width, frame->originalFrameRect().width()); | |
| 233 EXPECT_EQ(frameParameters[i].height, frame->originalFrameRect().height()
); | |
| 234 EXPECT_EQ(frameParameters[i].disposalMethod, frame->disposalMethod()); | |
| 235 EXPECT_EQ(frameParameters[i].alphaBlendSource, frame->alphaBlendSource()
); | |
| 236 EXPECT_EQ(frameParameters[i].duration, frame->duration()); | |
| 237 EXPECT_EQ(frameParameters[i].hasAlpha, frame->hasAlpha()); | |
| 238 } | |
| 239 | |
| 240 EXPECT_EQ(ARRAY_SIZE(frameParameters), decoder->frameCount()); | |
| 241 EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); | |
| 242 } | |
| 243 | |
| 244 TEST_F(AnimatedWebPTests, verifyAnimationParametersOpaqueFramesTransparentBackgr
ound) | |
| 245 { | |
| 246 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 247 EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); | |
| 248 | |
| 249 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/web
p-animated-opaque.webp"); | |
| 250 ASSERT_TRUE(data.get()); | |
| 251 decoder->setData(data.get(), true); | |
| 252 | |
| 253 const int canvasWidth = 94; | |
| 254 const int canvasHeight = 87; | |
| 255 const struct AnimParam { | |
| 256 int xOffset, yOffset, width, height; | |
| 257 ImageFrame::DisposalMethod disposalMethod; | |
| 258 ImageFrame::AlphaBlendSource alphaBlendSource; | |
| 259 unsigned duration; | |
| 260 bool hasAlpha; | |
| 261 } frameParameters[] = { | |
| 262 { 4, 10, 33, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::BlendA
topPreviousFrame, 1000u, true }, | |
| 263 { 34, 30, 33, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::Blend
AtopPreviousFrame, 1000u, true }, | |
| 264 { 62, 50, 32, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::Blend
AtopPreviousFrame, 1000u, true }, | |
| 265 { 10, 54, 32, 33, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::Blend
AtopPreviousFrame, 1000u, true }, | |
| 266 }; | |
| 267 | |
| 268 for (size_t i = 0; i < ARRAY_SIZE(frameParameters); ++i) { | |
| 269 const ImageFrame* const frame = decoder->frameBufferAtIndex(i); | |
| 270 EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); | |
| 271 EXPECT_EQ(canvasWidth, frame->getSkBitmap().width()); | |
| 272 EXPECT_EQ(canvasHeight, frame->getSkBitmap().height()); | |
| 273 EXPECT_EQ(frameParameters[i].xOffset, frame->originalFrameRect().x()); | |
| 274 EXPECT_EQ(frameParameters[i].yOffset, frame->originalFrameRect().y()); | |
| 275 EXPECT_EQ(frameParameters[i].width, frame->originalFrameRect().width()); | |
| 276 EXPECT_EQ(frameParameters[i].height, frame->originalFrameRect().height()
); | |
| 277 EXPECT_EQ(frameParameters[i].disposalMethod, frame->disposalMethod()); | |
| 278 EXPECT_EQ(frameParameters[i].alphaBlendSource, frame->alphaBlendSource()
); | |
| 279 EXPECT_EQ(frameParameters[i].duration, frame->duration()); | |
| 280 EXPECT_EQ(frameParameters[i].hasAlpha, frame->hasAlpha()); | |
| 281 } | |
| 282 | |
| 283 EXPECT_EQ(ARRAY_SIZE(frameParameters), decoder->frameCount()); | |
| 284 EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); | |
| 285 } | |
| 286 | |
| 287 TEST_F(AnimatedWebPTests, verifyAnimationParametersBlendOverwrite) | |
| 288 { | |
| 289 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 290 EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); | |
| 291 | |
| 292 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/web
p-animated-no-blend.webp"); | |
| 293 ASSERT_TRUE(data.get()); | |
| 294 decoder->setData(data.get(), true); | |
| 295 | |
| 296 const int canvasWidth = 94; | |
| 297 const int canvasHeight = 87; | |
| 298 const struct AnimParam { | |
| 299 int xOffset, yOffset, width, height; | |
| 300 ImageFrame::DisposalMethod disposalMethod; | |
| 301 ImageFrame::AlphaBlendSource alphaBlendSource; | |
| 302 unsigned duration; | |
| 303 bool hasAlpha; | |
| 304 } frameParameters[] = { | |
| 305 { 4, 10, 33, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::BlendA
topBgcolor, 1000u, true }, | |
| 306 { 34, 30, 33, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::Blend
AtopBgcolor, 1000u, true }, | |
| 307 { 62, 50, 32, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::Blend
AtopBgcolor, 1000u, true }, | |
| 308 { 10, 54, 32, 33, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::Blend
AtopBgcolor, 1000u, true }, | |
| 309 }; | |
| 310 | |
| 311 for (size_t i = 0; i < ARRAY_SIZE(frameParameters); ++i) { | |
| 312 const ImageFrame* const frame = decoder->frameBufferAtIndex(i); | |
| 313 EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); | |
| 314 EXPECT_EQ(canvasWidth, frame->getSkBitmap().width()); | |
| 315 EXPECT_EQ(canvasHeight, frame->getSkBitmap().height()); | |
| 316 EXPECT_EQ(frameParameters[i].xOffset, frame->originalFrameRect().x()); | |
| 317 EXPECT_EQ(frameParameters[i].yOffset, frame->originalFrameRect().y()); | |
| 318 EXPECT_EQ(frameParameters[i].width, frame->originalFrameRect().width()); | |
| 319 EXPECT_EQ(frameParameters[i].height, frame->originalFrameRect().height()
); | |
| 320 EXPECT_EQ(frameParameters[i].disposalMethod, frame->disposalMethod()); | |
| 321 EXPECT_EQ(frameParameters[i].alphaBlendSource, frame->alphaBlendSource()
); | |
| 322 EXPECT_EQ(frameParameters[i].duration, frame->duration()); | |
| 323 EXPECT_EQ(frameParameters[i].hasAlpha, frame->hasAlpha()); | |
| 324 } | |
| 325 | |
| 326 EXPECT_EQ(ARRAY_SIZE(frameParameters), decoder->frameCount()); | |
| 327 EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); | |
| 328 } | |
| 329 | |
| 330 TEST_F(AnimatedWebPTests, parseAndDecodeByteByByte) | |
| 331 { | |
| 332 const struct TestImage { | |
| 333 const char* filename; | |
| 334 unsigned frameCount; | |
| 335 int repetitionCount; | |
| 336 } testImages[] = { | |
| 337 { "/LayoutTests/fast/images/resources/webp-animated.webp", 3u, cAnimatio
nLoopInfinite }, | |
| 338 { "/LayoutTests/fast/images/resources/webp-animated-icc-xmp.webp", 13u,
32000 }, | |
| 339 }; | |
| 340 | |
| 341 for (size_t i = 0; i < ARRAY_SIZE(testImages); ++i) { | |
| 342 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 343 RefPtr<SharedBuffer> data = readFile(testImages[i].filename); | |
| 344 ASSERT_TRUE(data.get()); | |
| 345 | |
| 346 size_t frameCount = 0; | |
| 347 size_t framesDecoded = 0; | |
| 348 | |
| 349 // Pass data to decoder byte by byte. | |
| 350 for (size_t length = 1; length <= data->size(); ++length) { | |
| 351 RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), l
ength); | |
| 352 decoder->setData(tempData.get(), length == data->size()); | |
| 353 | |
| 354 EXPECT_LE(frameCount, decoder->frameCount()); | |
| 355 frameCount = decoder->frameCount(); | |
| 356 | |
| 357 ImageFrame* frame = decoder->frameBufferAtIndex(frameCount - 1); | |
| 358 if (frame && frame->status() == ImageFrame::FrameComplete && framesD
ecoded < frameCount) | |
| 359 ++framesDecoded; | |
| 360 } | |
| 361 | |
| 362 EXPECT_EQ(testImages[i].frameCount, decoder->frameCount()); | |
| 363 EXPECT_EQ(testImages[i].frameCount, framesDecoded); | |
| 364 EXPECT_EQ(testImages[i].repetitionCount, decoder->repetitionCount()); | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 TEST_F(AnimatedWebPTests, invalidImages) | |
| 369 { | |
| 370 // ANMF chunk size is smaller than ANMF header size. | |
| 371 testInvalidImage("/LayoutTests/fast/images/resources/invalid-animated-webp.w
ebp"); | |
| 372 // One of the frame rectangles extends outside the image boundary. | |
| 373 testInvalidImage("/LayoutTests/fast/images/resources/invalid-animated-webp3.
webp"); | |
| 374 } | |
| 375 | |
| 376 TEST_F(AnimatedWebPTests, truncatedLastFrame) | |
| 377 { | |
| 378 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 379 | |
| 380 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/inv
alid-animated-webp2.webp"); | |
| 381 ASSERT_TRUE(data.get()); | |
| 382 decoder->setData(data.get(), true); | |
| 383 | |
| 384 unsigned frameCount = 8; | |
| 385 EXPECT_EQ(frameCount, decoder->frameCount()); | |
| 386 ImageFrame* frame = decoder->frameBufferAtIndex(frameCount - 1); | |
| 387 EXPECT_FALSE(frame); | |
| 388 frame = decoder->frameBufferAtIndex(0); | |
| 389 EXPECT_FALSE(frame); | |
| 390 } | |
| 391 | |
| 392 TEST_F(AnimatedWebPTests, truncatedInBetweenFrame) | |
| 393 { | |
| 394 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 395 | |
| 396 RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources
/invalid-animated-webp4.webp"); | |
| 397 ASSERT_TRUE(fullData.get()); | |
| 398 RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), fullData-
>size() - 1); | |
| 399 decoder->setData(data.get(), false); | |
| 400 | |
| 401 ImageFrame* frame = decoder->frameBufferAtIndex(2); | |
| 402 EXPECT_FALSE(frame); | |
| 403 } | |
| 404 | |
| 405 // Reproduce a crash that used to happen for a specific file with specific seque
nce of method calls. | |
| 406 TEST_F(AnimatedWebPTests, reproCrash) | |
| 407 { | |
| 408 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 409 | |
| 410 RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources
/invalid_vp8_vp8x.webp"); | |
| 411 ASSERT_TRUE(fullData.get()); | |
| 412 | |
| 413 // Parse partial data up to which error in bitstream is not detected. | |
| 414 const size_t partialSize = 32768; | |
| 415 ASSERT_GT(fullData->size(), partialSize); | |
| 416 RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), partialSi
ze); | |
| 417 decoder->setData(data.get(), false); | |
| 418 EXPECT_EQ(1u, decoder->frameCount()); | |
| 419 | |
| 420 // Parse full data now. The error in bitstream should now be detected. | |
| 421 decoder->setData(fullData.get(), true); | |
| 422 EXPECT_EQ(0u, decoder->frameCount()); | |
| 423 ImageFrame* frame = decoder->frameBufferAtIndex(0); | |
| 424 EXPECT_FALSE(frame); | |
| 425 EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); | |
| 426 } | |
| 427 | |
| 428 TEST_F(AnimatedWebPTests, progressiveDecode) | |
| 429 { | |
| 430 RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources
/webp-animated.webp"); | |
| 431 ASSERT_TRUE(fullData.get()); | |
| 432 const size_t fullLength = fullData->size(); | |
| 433 | |
| 434 OwnPtr<WEBPImageDecoder> decoder; | |
| 435 ImageFrame* frame; | |
| 436 | |
| 437 Vector<unsigned> truncatedHashes; | |
| 438 Vector<unsigned> progressiveHashes; | |
| 439 | |
| 440 // Compute hashes when the file is truncated. | |
| 441 const size_t increment = 1; | |
| 442 for (size_t i = 1; i <= fullLength; i += increment) { | |
| 443 decoder = createDecoder(); | |
| 444 RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), i); | |
| 445 decoder->setData(data.get(), i == fullLength); | |
| 446 frame = decoder->frameBufferAtIndex(0); | |
| 447 if (!frame) { | |
| 448 truncatedHashes.append(0); | |
| 449 continue; | |
| 450 } | |
| 451 truncatedHashes.append(hashSkBitmap(frame->getSkBitmap())); | |
| 452 } | |
| 453 | |
| 454 // Compute hashes when the file is progressively decoded. | |
| 455 decoder = createDecoder(); | |
| 456 for (size_t i = 1; i <= fullLength; i += increment) { | |
| 457 RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), i); | |
| 458 decoder->setData(data.get(), i == fullLength); | |
| 459 frame = decoder->frameBufferAtIndex(0); | |
| 460 if (!frame) { | |
| 461 progressiveHashes.append(0); | |
| 462 continue; | |
| 463 } | |
| 464 progressiveHashes.append(hashSkBitmap(frame->getSkBitmap())); | |
| 465 } | |
| 466 | |
| 467 bool match = true; | |
| 468 for (size_t i = 0; i < truncatedHashes.size(); ++i) { | |
| 469 if (truncatedHashes[i] != progressiveHashes[i]) { | |
| 470 match = false; | |
| 471 break; | |
| 472 } | |
| 473 } | |
| 474 EXPECT_TRUE(match); | |
| 475 } | |
| 476 | |
| 477 TEST_F(AnimatedWebPTests, frameIsCompleteAndDuration) | |
| 478 { | |
| 479 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 480 | |
| 481 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/web
p-animated.webp"); | |
| 482 ASSERT_TRUE(data.get()); | |
| 483 | |
| 484 ASSERT_GE(data->size(), 10u); | |
| 485 RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), data->siz
e() - 10); | |
| 486 decoder->setData(tempData.get(), false); | |
| 487 | |
| 488 EXPECT_EQ(2u, decoder->frameCount()); | |
| 489 EXPECT_FALSE(decoder->failed()); | |
| 490 EXPECT_TRUE(decoder->frameIsCompleteAtIndex(0)); | |
| 491 EXPECT_EQ(1000, decoder->frameDurationAtIndex(0)); | |
| 492 EXPECT_TRUE(decoder->frameIsCompleteAtIndex(1)); | |
| 493 EXPECT_EQ(500, decoder->frameDurationAtIndex(1)); | |
| 494 | |
| 495 decoder->setData(data.get(), true); | |
| 496 EXPECT_EQ(3u, decoder->frameCount()); | |
| 497 EXPECT_TRUE(decoder->frameIsCompleteAtIndex(0)); | |
| 498 EXPECT_EQ(1000, decoder->frameDurationAtIndex(0)); | |
| 499 EXPECT_TRUE(decoder->frameIsCompleteAtIndex(1)); | |
| 500 EXPECT_EQ(500, decoder->frameDurationAtIndex(1)); | |
| 501 EXPECT_TRUE(decoder->frameIsCompleteAtIndex(2)); | |
| 502 EXPECT_EQ(1000.0, decoder->frameDurationAtIndex(2)); | |
| 503 } | |
| 504 | |
| 505 TEST_F(AnimatedWebPTests, updateRequiredPreviousFrameAfterFirstDecode) | |
| 506 { | |
| 507 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 508 | |
| 509 RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources
/webp-animated.webp"); | |
| 510 ASSERT_TRUE(fullData.get()); | |
| 511 | |
| 512 // Give it data that is enough to parse but not decode in order to check the
status | |
| 513 // of requiredPreviousFrameIndex before decoding. | |
| 514 size_t partialSize = 1; | |
| 515 do { | |
| 516 RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), parti
alSize); | |
| 517 decoder->setData(data.get(), false); | |
| 518 ++partialSize; | |
| 519 } while (!decoder->frameCount() || decoder->frameBufferAtIndex(0)->status()
== ImageFrame::FrameEmpty); | |
| 520 | |
| 521 EXPECT_EQ(kNotFound, decoder->frameBufferAtIndex(0)->requiredPreviousFrameIn
dex()); | |
| 522 unsigned frameCount = decoder->frameCount(); | |
| 523 for (size_t i = 1; i < frameCount; ++i) | |
| 524 EXPECT_EQ(i - 1, decoder->frameBufferAtIndex(i)->requiredPreviousFrameIn
dex()); | |
| 525 | |
| 526 decoder->setData(fullData.get(), true); | |
| 527 for (size_t i = 0; i < frameCount; ++i) | |
| 528 EXPECT_EQ(kNotFound, decoder->frameBufferAtIndex(i)->requiredPreviousFra
meIndex()); | |
| 529 } | |
| 530 | |
| 531 TEST_F(AnimatedWebPTests, randomFrameDecode) | |
| 532 { | |
| 533 testRandomFrameDecode("/LayoutTests/fast/images/resources/webp-animated.webp
"); | |
| 534 testRandomFrameDecode("/LayoutTests/fast/images/resources/webp-animated-opaq
ue.webp"); | |
| 535 testRandomFrameDecode("/LayoutTests/fast/images/resources/webp-animated-larg
e.webp"); | |
| 536 testRandomFrameDecode("/LayoutTests/fast/images/resources/webp-animated-icc-
xmp.webp"); | |
| 537 } | |
| 538 | |
| 539 TEST_F(AnimatedWebPTests, randomDecodeAfterClearFrameBufferCache) | |
| 540 { | |
| 541 testRandomDecodeAfterClearFrameBufferCache("/LayoutTests/fast/images/resourc
es/webp-animated.webp"); | |
| 542 testRandomDecodeAfterClearFrameBufferCache("/LayoutTests/fast/images/resourc
es/webp-animated-opaque.webp"); | |
| 543 testRandomDecodeAfterClearFrameBufferCache("/LayoutTests/fast/images/resourc
es/webp-animated-large.webp"); | |
| 544 testRandomDecodeAfterClearFrameBufferCache("/LayoutTests/fast/images/resourc
es/webp-animated-icc-xmp.webp"); | |
| 545 } | |
| 546 | |
| 547 TEST_F(AnimatedWebPTests, resumePartialDecodeAfterClearFrameBufferCache) | |
| 548 { | |
| 549 RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources
/webp-animated-large.webp"); | |
| 550 ASSERT_TRUE(fullData.get()); | |
| 551 Vector<unsigned> baselineHashes; | |
| 552 createDecodingBaseline(fullData.get(), &baselineHashes); | |
| 553 size_t frameCount = baselineHashes.size(); | |
| 554 | |
| 555 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 556 | |
| 557 // Let frame 0 be partially decoded. | |
| 558 size_t partialSize = 1; | |
| 559 do { | |
| 560 RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), parti
alSize); | |
| 561 decoder->setData(data.get(), false); | |
| 562 ++partialSize; | |
| 563 } while (!decoder->frameCount() || decoder->frameBufferAtIndex(0)->status()
== ImageFrame::FrameEmpty); | |
| 564 | |
| 565 // Skip to the last frame and clear. | |
| 566 decoder->setData(fullData.get(), true); | |
| 567 EXPECT_EQ(frameCount, decoder->frameCount()); | |
| 568 ImageFrame* lastFrame = decoder->frameBufferAtIndex(frameCount - 1); | |
| 569 EXPECT_EQ(baselineHashes[frameCount - 1], hashSkBitmap(lastFrame->getSkBitma
p())); | |
| 570 decoder->clearCacheExceptFrame(kNotFound); | |
| 571 | |
| 572 // Resume decoding of the first frame. | |
| 573 ImageFrame* firstFrame = decoder->frameBufferAtIndex(0); | |
| 574 EXPECT_EQ(ImageFrame::FrameComplete, firstFrame->status()); | |
| 575 EXPECT_EQ(baselineHashes[0], hashSkBitmap(firstFrame->getSkBitmap())); | |
| 576 } | |
| 577 | |
| 578 TEST_F(AnimatedWebPTests, decodeAfterReallocatingData) | |
| 579 { | |
| 580 testDecodeAfterReallocatingData("/LayoutTests/fast/images/resources/webp-ani
mated.webp"); | |
| 581 testDecodeAfterReallocatingData("/LayoutTests/fast/images/resources/webp-ani
mated-icc-xmp.webp"); | |
| 582 } | |
| 583 | |
| 584 TEST(StaticWebPTests, truncatedImage) | |
| 585 { | |
| 586 OwnPtr<WEBPImageDecoder> decoder = createDecoder(); | |
| 587 | |
| 588 RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/tru
ncated.webp"); | |
| 589 ASSERT_TRUE(data.get()); | |
| 590 decoder->setData(data.get(), true); | |
| 591 | |
| 592 ImageFrame* frame = decoder->frameBufferAtIndex(0); | |
| 593 EXPECT_FALSE(frame); | |
| 594 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk