| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "platform/image-decoders/webp/WEBPImageDecoder.h" |
| |
| #include <memory> |
| #include "platform/SharedBuffer.h" |
| #include "platform/image-decoders/ImageDecoderTestHelpers.h" |
| #include "platform/wtf/PtrUtil.h" |
| #include "platform/wtf/Time.h" |
| #include "platform/wtf/Vector.h" |
| #include "platform/wtf/dtoa/utils.h" |
| #include "public/platform/WebData.h" |
| #include "public/platform/WebSize.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| struct AnimParam { |
| int x_offset, y_offset, width, height; |
| ImageFrame::DisposalMethod disposal_method; |
| ImageFrame::AlphaBlendSource alpha_blend_source; |
| TimeDelta duration; |
| bool has_alpha; |
| }; |
| |
| std::unique_ptr<ImageDecoder> CreateWEBPDecoder( |
| ImageDecoder::AlphaOption alpha_option) { |
| return WTF::WrapUnique( |
| new WEBPImageDecoder(alpha_option, ColorBehavior::TransformToSRGB(), |
| ImageDecoder::kNoDecodedImageByteLimit)); |
| } |
| |
| std::unique_ptr<ImageDecoder> CreateWEBPDecoder() { |
| return CreateWEBPDecoder(ImageDecoder::kAlphaNotPremultiplied); |
| } |
| |
| // If 'parse_error_expected' is true, error is expected during parse |
| // (FrameCount() call); else error is expected during decode |
| // (FrameBufferAtIndex() call). |
| void TestInvalidImage(const char* webp_file, bool parse_error_expected) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| RefPtr<SharedBuffer> data = ReadFile(webp_file); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| |
| if (parse_error_expected) { |
| EXPECT_EQ(0u, decoder->FrameCount()); |
| EXPECT_FALSE(decoder->DecodeFrameBufferAtIndex(0)); |
| } else { |
| EXPECT_GT(decoder->FrameCount(), 0u); |
| ImageFrame* frame = decoder->DecodeFrameBufferAtIndex(0); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFramePartial, frame->GetStatus()); |
| } |
| EXPECT_EQ(kAnimationLoopOnce, decoder->RepetitionCount()); |
| EXPECT_TRUE(decoder->Failed()); |
| } |
| |
| } // anonymous namespace |
| |
| TEST(AnimatedWebPTests, uniqueGenerationIDs) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| RefPtr<SharedBuffer> data = |
| ReadFile("/LayoutTests/images/resources/webp-animated.webp"); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| |
| ImageFrame* frame = decoder->DecodeFrameBufferAtIndex(0); |
| uint32_t generation_id0 = frame->Bitmap().getGenerationID(); |
| frame = decoder->DecodeFrameBufferAtIndex(1); |
| uint32_t generation_id1 = frame->Bitmap().getGenerationID(); |
| |
| EXPECT_TRUE(generation_id0 != generation_id1); |
| } |
| |
| TEST(AnimatedWebPTests, verifyAnimationParametersTransparentImage) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| EXPECT_EQ(kAnimationLoopOnce, decoder->RepetitionCount()); |
| |
| RefPtr<SharedBuffer> data = |
| ReadFile("/LayoutTests/images/resources/webp-animated.webp"); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| |
| const int kCanvasWidth = 11; |
| const int kCanvasHeight = 29; |
| const AnimParam kFrameParameters[] = { |
| {0, 0, 11, 29, ImageFrame::kDisposeKeep, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(1000), |
| true}, |
| {2, 10, 7, 17, ImageFrame::kDisposeKeep, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(500), |
| true}, |
| {2, 2, 7, 16, ImageFrame::kDisposeKeep, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(1000), |
| true}, |
| }; |
| |
| for (size_t i = 0; i < WTF_ARRAY_LENGTH(kFrameParameters); ++i) { |
| const ImageFrame* const frame = decoder->DecodeFrameBufferAtIndex(i); |
| EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
| EXPECT_EQ(kCanvasWidth, frame->Bitmap().width()); |
| EXPECT_EQ(kCanvasHeight, frame->Bitmap().height()); |
| EXPECT_EQ(kFrameParameters[i].x_offset, frame->OriginalFrameRect().X()); |
| EXPECT_EQ(kFrameParameters[i].y_offset, frame->OriginalFrameRect().Y()); |
| EXPECT_EQ(kFrameParameters[i].width, frame->OriginalFrameRect().Width()); |
| EXPECT_EQ(kFrameParameters[i].height, frame->OriginalFrameRect().Height()); |
| EXPECT_EQ(kFrameParameters[i].disposal_method, frame->GetDisposalMethod()); |
| EXPECT_EQ(kFrameParameters[i].alpha_blend_source, |
| frame->GetAlphaBlendSource()); |
| EXPECT_EQ(kFrameParameters[i].duration, frame->Duration()); |
| EXPECT_EQ(kFrameParameters[i].has_alpha, frame->HasAlpha()); |
| } |
| |
| EXPECT_EQ(WTF_ARRAY_LENGTH(kFrameParameters), decoder->FrameCount()); |
| EXPECT_EQ(kAnimationLoopInfinite, decoder->RepetitionCount()); |
| } |
| |
| TEST(AnimatedWebPTests, |
| verifyAnimationParametersOpaqueFramesTransparentBackground) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| EXPECT_EQ(kAnimationLoopOnce, decoder->RepetitionCount()); |
| |
| RefPtr<SharedBuffer> data = |
| ReadFile("/LayoutTests/images/resources/webp-animated-opaque.webp"); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| |
| const int kCanvasWidth = 94; |
| const int kCanvasHeight = 87; |
| const AnimParam kFrameParameters[] = { |
| {4, 10, 33, 32, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(1000), |
| true}, |
| {34, 30, 33, 32, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(1000), |
| true}, |
| {62, 50, 32, 32, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(1000), |
| true}, |
| {10, 54, 32, 33, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopPreviousFrame, TimeDelta::FromMilliseconds(1000), |
| true}, |
| }; |
| |
| for (size_t i = 0; i < WTF_ARRAY_LENGTH(kFrameParameters); ++i) { |
| const ImageFrame* const frame = decoder->DecodeFrameBufferAtIndex(i); |
| EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
| EXPECT_EQ(kCanvasWidth, frame->Bitmap().width()); |
| EXPECT_EQ(kCanvasHeight, frame->Bitmap().height()); |
| EXPECT_EQ(kFrameParameters[i].x_offset, frame->OriginalFrameRect().X()); |
| EXPECT_EQ(kFrameParameters[i].y_offset, frame->OriginalFrameRect().Y()); |
| EXPECT_EQ(kFrameParameters[i].width, frame->OriginalFrameRect().Width()); |
| EXPECT_EQ(kFrameParameters[i].height, frame->OriginalFrameRect().Height()); |
| EXPECT_EQ(kFrameParameters[i].disposal_method, frame->GetDisposalMethod()); |
| EXPECT_EQ(kFrameParameters[i].alpha_blend_source, |
| frame->GetAlphaBlendSource()); |
| EXPECT_EQ(kFrameParameters[i].duration, frame->Duration()); |
| EXPECT_EQ(kFrameParameters[i].has_alpha, frame->HasAlpha()); |
| } |
| |
| EXPECT_EQ(WTF_ARRAY_LENGTH(kFrameParameters), decoder->FrameCount()); |
| EXPECT_EQ(kAnimationLoopInfinite, decoder->RepetitionCount()); |
| } |
| |
| TEST(AnimatedWebPTests, verifyAnimationParametersBlendOverwrite) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| EXPECT_EQ(kAnimationLoopOnce, decoder->RepetitionCount()); |
| |
| RefPtr<SharedBuffer> data = |
| ReadFile("/LayoutTests/images/resources/webp-animated-no-blend.webp"); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| |
| const int kCanvasWidth = 94; |
| const int kCanvasHeight = 87; |
| const AnimParam kFrameParameters[] = { |
| {4, 10, 33, 32, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopBgcolor, TimeDelta::FromMilliseconds(1000), true}, |
| {34, 30, 33, 32, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopBgcolor, TimeDelta::FromMilliseconds(1000), true}, |
| {62, 50, 32, 32, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopBgcolor, TimeDelta::FromMilliseconds(1000), true}, |
| {10, 54, 32, 33, ImageFrame::kDisposeOverwriteBgcolor, |
| ImageFrame::kBlendAtopBgcolor, TimeDelta::FromMilliseconds(1000), true}, |
| }; |
| |
| for (size_t i = 0; i < WTF_ARRAY_LENGTH(kFrameParameters); ++i) { |
| const ImageFrame* const frame = decoder->DecodeFrameBufferAtIndex(i); |
| EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
| EXPECT_EQ(kCanvasWidth, frame->Bitmap().width()); |
| EXPECT_EQ(kCanvasHeight, frame->Bitmap().height()); |
| EXPECT_EQ(kFrameParameters[i].x_offset, frame->OriginalFrameRect().X()); |
| EXPECT_EQ(kFrameParameters[i].y_offset, frame->OriginalFrameRect().Y()); |
| EXPECT_EQ(kFrameParameters[i].width, frame->OriginalFrameRect().Width()); |
| EXPECT_EQ(kFrameParameters[i].height, frame->OriginalFrameRect().Height()); |
| EXPECT_EQ(kFrameParameters[i].disposal_method, frame->GetDisposalMethod()); |
| EXPECT_EQ(kFrameParameters[i].alpha_blend_source, |
| frame->GetAlphaBlendSource()); |
| EXPECT_EQ(kFrameParameters[i].duration, frame->Duration()); |
| EXPECT_EQ(kFrameParameters[i].has_alpha, frame->HasAlpha()); |
| } |
| |
| EXPECT_EQ(WTF_ARRAY_LENGTH(kFrameParameters), decoder->FrameCount()); |
| EXPECT_EQ(kAnimationLoopInfinite, decoder->RepetitionCount()); |
| } |
| |
| TEST(AnimatedWebPTests, parseAndDecodeByteByByte) { |
| TestByteByByteDecode(&CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated.webp", 3u, |
| kAnimationLoopInfinite); |
| TestByteByByteDecode( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-icc-xmp.webp", 13u, 31999); |
| } |
| |
| TEST(AnimatedWebPTests, invalidImages) { |
| // ANMF chunk size is smaller than ANMF header size. |
| TestInvalidImage("/LayoutTests/images/resources/invalid-animated-webp.webp", |
| true); |
| // One of the frame rectangles extends outside the image boundary. |
| TestInvalidImage("/LayoutTests/images/resources/invalid-animated-webp3.webp", |
| true); |
| } |
| |
| TEST(AnimatedWebPTests, truncatedLastFrame) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| RefPtr<SharedBuffer> data = |
| ReadFile("/LayoutTests/images/resources/invalid-animated-webp2.webp"); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| |
| size_t frame_count = 8; |
| EXPECT_EQ(frame_count, decoder->FrameCount()); |
| ImageFrame* frame = decoder->DecodeFrameBufferAtIndex(0); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
| EXPECT_FALSE(decoder->Failed()); |
| frame = decoder->DecodeFrameBufferAtIndex(frame_count - 1); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFramePartial, frame->GetStatus()); |
| EXPECT_TRUE(decoder->Failed()); |
| frame = decoder->DecodeFrameBufferAtIndex(0); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
| } |
| |
| TEST(AnimatedWebPTests, truncatedInBetweenFrame) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| const Vector<char> full_data = |
| ReadFile("/LayoutTests/images/resources/invalid-animated-webp4.webp") |
| ->Copy(); |
| RefPtr<SharedBuffer> data = |
| SharedBuffer::Create(full_data.data(), full_data.size() - 1); |
| decoder->SetData(data.Get(), false); |
| |
| ImageFrame* frame = decoder->DecodeFrameBufferAtIndex(1); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFrameComplete, frame->GetStatus()); |
| frame = decoder->DecodeFrameBufferAtIndex(2); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFramePartial, frame->GetStatus()); |
| EXPECT_TRUE(decoder->Failed()); |
| } |
| |
| // Tests for a crash that used to happen for a specific file with specific |
| // sequence of method calls. |
| TEST(AnimatedWebPTests, reproCrash) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| RefPtr<SharedBuffer> full_data_buffer = |
| ReadFile("/LayoutTests/images/resources/invalid_vp8_vp8x.webp"); |
| ASSERT_TRUE(full_data_buffer.Get()); |
| const Vector<char> full_data = full_data_buffer->Copy(); |
| |
| // Parse partial data up to which error in bitstream is not detected. |
| const size_t kPartialSize = 32768; |
| ASSERT_GT(full_data.size(), kPartialSize); |
| RefPtr<SharedBuffer> data = |
| SharedBuffer::Create(full_data.data(), kPartialSize); |
| decoder->SetData(data.Get(), false); |
| EXPECT_EQ(1u, decoder->FrameCount()); |
| ImageFrame* frame = decoder->DecodeFrameBufferAtIndex(0); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFramePartial, frame->GetStatus()); |
| EXPECT_FALSE(decoder->Failed()); |
| |
| // Parse full data now. The error in bitstream should now be detected. |
| decoder->SetData(full_data_buffer.Get(), true); |
| EXPECT_EQ(1u, decoder->FrameCount()); |
| frame = decoder->DecodeFrameBufferAtIndex(0); |
| ASSERT_TRUE(frame); |
| EXPECT_EQ(ImageFrame::kFramePartial, frame->GetStatus()); |
| EXPECT_EQ(kAnimationLoopOnce, decoder->RepetitionCount()); |
| EXPECT_TRUE(decoder->Failed()); |
| } |
| |
| TEST(AnimatedWebPTests, progressiveDecode) { |
| TestProgressiveDecoding(&CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated.webp"); |
| } |
| |
| TEST(AnimatedWebPTests, frameIsCompleteAndDuration) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| RefPtr<SharedBuffer> data_buffer = |
| ReadFile("/LayoutTests/images/resources/webp-animated.webp"); |
| ASSERT_TRUE(data_buffer.Get()); |
| const Vector<char> data = data_buffer->Copy(); |
| |
| ASSERT_GE(data.size(), 10u); |
| RefPtr<SharedBuffer> temp_data = |
| SharedBuffer::Create(data.data(), data.size() - 10); |
| decoder->SetData(temp_data.Get(), false); |
| |
| EXPECT_EQ(2u, decoder->FrameCount()); |
| EXPECT_FALSE(decoder->Failed()); |
| EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(0)); |
| EXPECT_EQ(TimeDelta::FromMilliseconds(1000), |
| decoder->FrameDurationAtIndex(0)); |
| EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(1)); |
| EXPECT_EQ(TimeDelta::FromMilliseconds(500), decoder->FrameDurationAtIndex(1)); |
| |
| decoder->SetData(data_buffer.Get(), true); |
| EXPECT_EQ(3u, decoder->FrameCount()); |
| EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(0)); |
| EXPECT_EQ(TimeDelta::FromMilliseconds(1000), |
| decoder->FrameDurationAtIndex(0)); |
| EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(1)); |
| EXPECT_EQ(TimeDelta::FromMilliseconds(500), decoder->FrameDurationAtIndex(1)); |
| EXPECT_TRUE(decoder->FrameIsReceivedAtIndex(2)); |
| EXPECT_EQ(TimeDelta::FromMilliseconds(1000), |
| decoder->FrameDurationAtIndex(2)); |
| } |
| |
| TEST(AnimatedWebPTests, updateRequiredPreviousFrameAfterFirstDecode) { |
| TestUpdateRequiredPreviousFrameAfterFirstDecode( |
| &CreateWEBPDecoder, "/LayoutTests/images/resources/webp-animated.webp"); |
| } |
| |
| TEST(AnimatedWebPTests, randomFrameDecode) { |
| TestRandomFrameDecode(&CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated.webp"); |
| TestRandomFrameDecode( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-opaque.webp"); |
| TestRandomFrameDecode( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-large.webp"); |
| TestRandomFrameDecode( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-icc-xmp.webp"); |
| } |
| |
| TEST(AnimatedWebPTests, randomDecodeAfterClearFrameBufferCache) { |
| TestRandomDecodeAfterClearFrameBufferCache( |
| &CreateWEBPDecoder, "/LayoutTests/images/resources/webp-animated.webp"); |
| TestRandomDecodeAfterClearFrameBufferCache( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-opaque.webp"); |
| TestRandomDecodeAfterClearFrameBufferCache( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-large.webp"); |
| TestRandomDecodeAfterClearFrameBufferCache( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-icc-xmp.webp"); |
| } |
| |
| // This test is disabled since it timed out on the Windows bot. See |
| // crrev.com/962853004 |
| TEST(AnimatedWebPTests, |
| DISABLED_resumePartialDecodeAfterClearFrameBufferCache) { |
| TestResumePartialDecodeAfterClearFrameBufferCache( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-large.webp"); |
| } |
| |
| TEST(AnimatedWebPTests, decodeAfterReallocatingData) { |
| TestDecodeAfterReallocatingData( |
| &CreateWEBPDecoder, "/LayoutTests/images/resources/webp-animated.webp"); |
| TestDecodeAfterReallocatingData( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-icc-xmp.webp"); |
| } |
| |
| TEST(AnimatedWebPTests, alphaBlending) { |
| TestAlphaBlending(&CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated.webp"); |
| TestAlphaBlending( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-semitransparent1.webp"); |
| TestAlphaBlending( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-semitransparent2.webp"); |
| TestAlphaBlending( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-semitransparent3.webp"); |
| TestAlphaBlending( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-semitransparent4.webp"); |
| } |
| |
| TEST(AnimatedWebPTests, isSizeAvailable) { |
| TestByteByByteSizeAvailable( |
| &CreateWEBPDecoder, "/LayoutTests/images/resources/webp-animated.webp", |
| 142u, false, kAnimationLoopInfinite); |
| // FIXME: Add color profile support for animated webp images. |
| TestByteByByteSizeAvailable( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-animated-icc-xmp.webp", 1404u, false, |
| 31999); |
| } |
| |
| TEST(AnimatedWEBPTests, clearCacheExceptFrameWithAncestors) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| |
| RefPtr<SharedBuffer> full_data = |
| ReadFile("/LayoutTests/images/resources/webp-animated.webp"); |
| ASSERT_TRUE(full_data.Get()); |
| decoder->SetData(full_data.Get(), true); |
| |
| ASSERT_EQ(3u, decoder->FrameCount()); |
| // We need to store pointers to the image frames, since calling |
| // FrameBufferAtIndex will decode the frame if it is not FrameComplete, |
| // and we want to read the status of the frame without decoding it again. |
| ImageFrame* buffers[3]; |
| size_t buffer_sizes[3]; |
| for (size_t i = 0; i < decoder->FrameCount(); i++) { |
| buffers[i] = decoder->DecodeFrameBufferAtIndex(i); |
| ASSERT_EQ(ImageFrame::kFrameComplete, buffers[i]->GetStatus()); |
| buffer_sizes[i] = decoder->FrameBytesAtIndex(i); |
| } |
| |
| // Explicitly set the required previous frame for the frames, since this test |
| // is designed on this chain. Whether the frames actually depend on each |
| // other is not important for this test - ClearCacheExceptFrame just looks at |
| // the frame status and the required previous frame. |
| buffers[1]->SetRequiredPreviousFrameIndex(0); |
| buffers[2]->SetRequiredPreviousFrameIndex(1); |
| |
| // Clear the cache except for a single frame. All other frames should be |
| // cleared to FrameEmpty, since this frame is FrameComplete. |
| EXPECT_EQ(buffer_sizes[0] + buffer_sizes[2], |
| decoder->ClearCacheExceptFrame(1)); |
| EXPECT_EQ(ImageFrame::kFrameEmpty, buffers[0]->GetStatus()); |
| EXPECT_EQ(ImageFrame::kFrameComplete, buffers[1]->GetStatus()); |
| EXPECT_EQ(ImageFrame::kFrameEmpty, buffers[2]->GetStatus()); |
| |
| // Verify that the required previous frame is also preserved if the provided |
| // frame is not FrameComplete. The simulated situation is: |
| // |
| // Frame 0 <--------- Frame 1 <--------- Frame 2 |
| // FrameComplete depends on FrameComplete depends on FramePartial |
| // |
| // The expected outcome is that frame 1 and frame 2 are preserved, since |
| // frame 1 is necessary to fully decode frame 2. |
| for (size_t i = 0; i < decoder->FrameCount(); i++) { |
| ASSERT_EQ(ImageFrame::kFrameComplete, |
| decoder->DecodeFrameBufferAtIndex(i)->GetStatus()); |
| } |
| buffers[2]->SetStatus(ImageFrame::kFramePartial); |
| EXPECT_EQ(buffer_sizes[0], decoder->ClearCacheExceptFrame(2)); |
| EXPECT_EQ(ImageFrame::kFrameEmpty, buffers[0]->GetStatus()); |
| EXPECT_EQ(ImageFrame::kFrameComplete, buffers[1]->GetStatus()); |
| EXPECT_EQ(ImageFrame::kFramePartial, buffers[2]->GetStatus()); |
| |
| // Verify that the nearest FrameComplete required frame is preserved if |
| // earlier required frames in the ancestor list are not FrameComplete. The |
| // simulated situation is: |
| // |
| // Frame 0 <--------- Frame 1 <--------- Frame 2 |
| // FrameComplete depends on FrameEmpty depends on FramePartial |
| // |
| // The expected outcome is that frame 0 and frame 2 are preserved. Frame 2 |
| // should be preserved since it is the frame passed to ClearCacheExceptFrame. |
| // Frame 0 should be preserved since it is the nearest FrameComplete ancestor. |
| // Thus, since frame 1 is FrameEmpty, no data is cleared in this case. |
| for (size_t i = 0; i < decoder->FrameCount(); i++) { |
| ASSERT_EQ(ImageFrame::kFrameComplete, |
| decoder->DecodeFrameBufferAtIndex(i)->GetStatus()); |
| } |
| buffers[1]->SetStatus(ImageFrame::kFrameEmpty); |
| buffers[2]->SetStatus(ImageFrame::kFramePartial); |
| EXPECT_EQ(0u, decoder->ClearCacheExceptFrame(2)); |
| EXPECT_EQ(ImageFrame::kFrameComplete, buffers[0]->GetStatus()); |
| EXPECT_EQ(ImageFrame::kFrameEmpty, buffers[1]->GetStatus()); |
| EXPECT_EQ(ImageFrame::kFramePartial, buffers[2]->GetStatus()); |
| } |
| |
| TEST(StaticWebPTests, truncatedImage) { |
| // VP8 data is truncated. |
| TestInvalidImage("/LayoutTests/images/resources/truncated.webp", false); |
| // Chunk size in RIFF header doesn't match the file size. |
| TestInvalidImage("/LayoutTests/images/resources/truncated2.webp", true); |
| } |
| |
| // Regression test for a bug where some valid images were failing to decode |
| // incrementally. |
| TEST(StaticWebPTests, incrementalDecode) { |
| TestByteByByteDecode(&CreateWEBPDecoder, |
| "/LayoutTests/images/resources/crbug.364830.webp", 1u, |
| kAnimationNone); |
| } |
| |
| TEST(StaticWebPTests, isSizeAvailable) { |
| TestByteByByteSizeAvailable( |
| &CreateWEBPDecoder, |
| "/LayoutTests/images/resources/webp-color-profile-lossy.webp", 520u, true, |
| kAnimationNone); |
| TestByteByByteSizeAvailable(&CreateWEBPDecoder, |
| "/LayoutTests/images/resources/test.webp", 30u, |
| false, kAnimationNone); |
| } |
| |
| TEST(StaticWebPTests, notAnimated) { |
| std::unique_ptr<ImageDecoder> decoder = CreateWEBPDecoder(); |
| RefPtr<SharedBuffer> data = |
| ReadFile("/LayoutTests/images/resources/webp-color-profile-lossy.webp"); |
| ASSERT_TRUE(data.Get()); |
| decoder->SetData(data.Get(), true); |
| EXPECT_EQ(1u, decoder->FrameCount()); |
| EXPECT_EQ(kAnimationNone, decoder->RepetitionCount()); |
| } |
| |
| } // namespace blink |
