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Diffstat (limited to 'image/test/gtest/TestDeinterlacingFilter.cpp')
| -rw-r--r-- | image/test/gtest/TestDeinterlacingFilter.cpp | 672 |
1 files changed, 0 insertions, 672 deletions
diff --git a/image/test/gtest/TestDeinterlacingFilter.cpp b/image/test/gtest/TestDeinterlacingFilter.cpp deleted file mode 100644 index 82637bbf7..000000000 --- a/image/test/gtest/TestDeinterlacingFilter.cpp +++ /dev/null @@ -1,672 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set ts=8 sts=2 et sw=2 tw=80: */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "gtest/gtest.h" - -#include "mozilla/gfx/2D.h" -#include "Common.h" -#include "Decoder.h" -#include "DecoderFactory.h" -#include "SourceBuffer.h" -#include "SurfaceFilters.h" -#include "SurfacePipe.h" - -using namespace mozilla; -using namespace mozilla::gfx; -using namespace mozilla::image; - -template <typename Func> void -WithDeinterlacingFilter(const IntSize& aSize, - bool aProgressiveDisplay, - Func aFunc) -{ - RefPtr<Decoder> decoder = CreateTrivialDecoder(); - ASSERT_TRUE(bool(decoder)); - - WithFilterPipeline(decoder, Forward<Func>(aFunc), - DeinterlacingConfig<uint32_t> { aProgressiveDisplay }, - SurfaceConfig { decoder, aSize, - SurfaceFormat::B8G8R8A8, false }); -} - -template <typename Func> void -WithPalettedDeinterlacingFilter(const IntSize& aSize, - Func aFunc) -{ - RefPtr<Decoder> decoder = CreateTrivialDecoder(); - ASSERT_TRUE(decoder != nullptr); - - WithFilterPipeline(decoder, Forward<Func>(aFunc), - DeinterlacingConfig<uint8_t> { /* mProgressiveDisplay = */ true }, - PalettedSurfaceConfig { decoder, aSize, - IntRect(0, 0, 100, 100), - SurfaceFormat::B8G8R8A8, 8, - false }); -} - -void -AssertConfiguringDeinterlacingFilterFails(const IntSize& aSize) -{ - RefPtr<Decoder> decoder = CreateTrivialDecoder(); - ASSERT_TRUE(decoder != nullptr); - - AssertConfiguringPipelineFails(decoder, - DeinterlacingConfig<uint32_t> { /* mProgressiveDisplay = */ true}, - SurfaceConfig { decoder, aSize, - SurfaceFormat::B8G8R8A8, false }); -} - -class ImageDeinterlacingFilter : public ::testing::Test -{ -protected: - AutoInitializeImageLib mInit; -}; - -TEST_F(ImageDeinterlacingFilter, WritePixels100_100) -{ - WithDeinterlacingFilter(IntSize(100, 100), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckWritePixels(aDecoder, aFilter, - /* aOutputRect = */ Some(IntRect(0, 0, 100, 100)), - /* aInputRect = */ Some(IntRect(0, 0, 100, 100))); - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixels99_99) -{ - WithDeinterlacingFilter(IntSize(99, 99), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckWritePixels(aDecoder, aFilter, - /* aOutputRect = */ Some(IntRect(0, 0, 99, 99)), - /* aInputRect = */ Some(IntRect(0, 0, 99, 99))); - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixels8_8) -{ - WithDeinterlacingFilter(IntSize(8, 8), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckWritePixels(aDecoder, aFilter, - /* aOutputRect = */ Some(IntRect(0, 0, 8, 8)), - /* aInputRect = */ Some(IntRect(0, 0, 8, 8))); - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixels7_7) -{ - WithDeinterlacingFilter(IntSize(7, 7), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckWritePixels(aDecoder, aFilter, - /* aOutputRect = */ Some(IntRect(0, 0, 7, 7)), - /* aInputRect = */ Some(IntRect(0, 0, 7, 7))); - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixels3_3) -{ - WithDeinterlacingFilter(IntSize(3, 3), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckWritePixels(aDecoder, aFilter, - /* aOutputRect = */ Some(IntRect(0, 0, 3, 3)), - /* aInputRect = */ Some(IntRect(0, 0, 3, 3))); - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixels1_1) -{ - WithDeinterlacingFilter(IntSize(1, 1), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckWritePixels(aDecoder, aFilter, - /* aOutputRect = */ Some(IntRect(0, 0, 1, 1)), - /* aInputRect = */ Some(IntRect(0, 0, 1, 1))); - }); -} - -TEST_F(ImageDeinterlacingFilter, PalettedWritePixels) -{ - WithPalettedDeinterlacingFilter(IntSize(100, 100), - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - CheckPalettedWritePixels(aDecoder, aFilter); - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsNonProgressiveOutput51_52) -{ - WithDeinterlacingFilter(IntSize(51, 52), /* aProgressiveDisplay = */ false, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be green for even rows and red for odd - // rows but we need to write the rows in the order that the deinterlacer - // expects them. - uint32_t count = 0; - auto result = aFilter->WritePixels<uint32_t>([&]() { - uint32_t row = count / 51; // Integer division. - ++count; - - // Note that we use a switch statement here, even though it's quite - // verbose, because it's useful to have the mappings between input and - // output rows available when debugging these tests. - - switch (row) { - // First pass. Output rows are positioned at 8n + 0. - case 0: // Output row 0. - case 1: // Output row 8. - case 2: // Output row 16. - case 3: // Output row 24. - case 4: // Output row 32. - case 5: // Output row 40. - case 6: // Output row 48. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Second pass. Rows are positioned at 8n + 4. - case 7: // Output row 4. - case 8: // Output row 12. - case 9: // Output row 20. - case 10: // Output row 28. - case 11: // Output row 36. - case 12: // Output row 44. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Third pass. Rows are positioned at 4n + 2. - case 13: // Output row 2. - case 14: // Output row 6. - case 15: // Output row 10. - case 16: // Output row 14. - case 17: // Output row 18. - case 18: // Output row 22. - case 19: // Output row 26. - case 20: // Output row 30. - case 21: // Output row 34. - case 22: // Output row 38. - case 23: // Output row 42. - case 24: // Output row 46. - case 25: // Output row 50. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Fourth pass. Rows are positioned at 2n + 1. - case 26: // Output row 1. - case 27: // Output row 3. - case 28: // Output row 5. - case 29: // Output row 7. - case 30: // Output row 9. - case 31: // Output row 11. - case 32: // Output row 13. - case 33: // Output row 15. - case 34: // Output row 17. - case 35: // Output row 19. - case 36: // Output row 21. - case 37: // Output row 23. - case 38: // Output row 25. - case 39: // Output row 27. - case 40: // Output row 29. - case 41: // Output row 31. - case 42: // Output row 33. - case 43: // Output row 35. - case 44: // Output row 37. - case 45: // Output row 39. - case 46: // Output row 41. - case 47: // Output row 43. - case 48: // Output row 45. - case 49: // Output row 47. - case 50: // Output row 49. - case 51: // Output row 51. - return AsVariant(BGRAColor::Red().AsPixel()); - - default: - MOZ_ASSERT_UNREACHABLE("Unexpected row"); - return AsVariant(BGRAColor::Transparent().AsPixel()); - } - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(51u * 52u, count); - - AssertCorrectPipelineFinalState(aFilter, - IntRect(0, 0, 51, 52), - IntRect(0, 0, 51, 52)); - - // Check that the generated image is correct. As mentioned above, we expect - // even rows to be green and odd rows to be red. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = 0; row < 52; ++row) { - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, - row % 2 == 0 ? BGRAColor::Green() - : BGRAColor::Red())); - } - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsOutput20_20) -{ - WithDeinterlacingFilter(IntSize(20, 20), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be green for even rows and red for odd - // rows but we need to write the rows in the order that the deinterlacer - // expects them. - uint32_t count = 0; - auto result = aFilter->WritePixels<uint32_t>([&]() { - uint32_t row = count / 20; // Integer division. - ++count; - - // Note that we use a switch statement here, even though it's quite - // verbose, because it's useful to have the mappings between input and - // output rows available when debugging these tests. - - switch (row) { - // First pass. Output rows are positioned at 8n + 0. - case 0: // Output row 0. - case 1: // Output row 8. - case 2: // Output row 16. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Second pass. Rows are positioned at 8n + 4. - case 3: // Output row 4. - case 4: // Output row 12. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Third pass. Rows are positioned at 4n + 2. - case 5: // Output row 2. - case 6: // Output row 6. - case 7: // Output row 10. - case 8: // Output row 14. - case 9: // Output row 18. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Fourth pass. Rows are positioned at 2n + 1. - case 10: // Output row 1. - case 11: // Output row 3. - case 12: // Output row 5. - case 13: // Output row 7. - case 14: // Output row 9. - case 15: // Output row 11. - case 16: // Output row 13. - case 17: // Output row 15. - case 18: // Output row 17. - case 19: // Output row 19. - return AsVariant(BGRAColor::Red().AsPixel()); - - default: - MOZ_ASSERT_UNREACHABLE("Unexpected row"); - return AsVariant(BGRAColor::Transparent().AsPixel()); - } - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(20u * 20u, count); - - AssertCorrectPipelineFinalState(aFilter, - IntRect(0, 0, 20, 20), - IntRect(0, 0, 20, 20)); - - // Check that the generated image is correct. As mentioned above, we expect - // even rows to be green and odd rows to be red. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = 0; row < 20; ++row) { - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, - row % 2 == 0 ? BGRAColor::Green() - : BGRAColor::Red())); - } - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsOutput7_7) -{ - WithDeinterlacingFilter(IntSize(7, 7), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be a repeating pattern of two green - // rows followed by two red rows but we need to write the rows in the order - // that the deinterlacer expects them. - uint32_t count = 0; - auto result = aFilter->WritePixels<uint32_t>([&]() { - uint32_t row = count / 7; // Integer division. - ++count; - - switch (row) { - // First pass. Output rows are positioned at 8n + 0. - case 0: // Output row 0. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Second pass. Rows are positioned at 8n + 4. - case 1: // Output row 4. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Third pass. Rows are positioned at 4n + 2. - case 2: // Output row 2. - case 3: // Output row 6. - return AsVariant(BGRAColor::Red().AsPixel()); - - // Fourth pass. Rows are positioned at 2n + 1. - case 4: // Output row 1. - return AsVariant(BGRAColor::Green().AsPixel()); - - case 5: // Output row 3. - return AsVariant(BGRAColor::Red().AsPixel()); - - case 6: // Output row 5. - return AsVariant(BGRAColor::Green().AsPixel()); - - default: - MOZ_ASSERT_UNREACHABLE("Unexpected row"); - return AsVariant(BGRAColor::Transparent().AsPixel()); - } - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(7u * 7u, count); - - AssertCorrectPipelineFinalState(aFilter, - IntRect(0, 0, 7, 7), - IntRect(0, 0, 7, 7)); - - // Check that the generated image is correct. As mentioned above, we expect - // two green rows, followed by two red rows, then two green rows, etc. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = 0; row < 7; ++row) { - BGRAColor color = row == 0 || row == 1 || row == 4 || row == 5 - ? BGRAColor::Green() - : BGRAColor::Red(); - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, color)); - } - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsOutput3_3) -{ - WithDeinterlacingFilter(IntSize(3, 3), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be green, red, green in that order, but - // we need to write the rows in the order that the deinterlacer expects - // them. - uint32_t count = 0; - auto result = aFilter->WritePixels<uint32_t>([&]() { - uint32_t row = count / 3; // Integer division. - ++count; - - switch (row) { - // First pass. Output rows are positioned at 8n + 0. - case 0: // Output row 0. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Second pass. Rows are positioned at 8n + 4. - // No rows for this pass. - - // Third pass. Rows are positioned at 4n + 2. - case 1: // Output row 2. - return AsVariant(BGRAColor::Green().AsPixel()); - - // Fourth pass. Rows are positioned at 2n + 1. - case 2: // Output row 1. - return AsVariant(BGRAColor::Red().AsPixel()); - - default: - MOZ_ASSERT_UNREACHABLE("Unexpected row"); - return AsVariant(BGRAColor::Transparent().AsPixel()); - } - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(3u * 3u, count); - - AssertCorrectPipelineFinalState(aFilter, - IntRect(0, 0, 3, 3), - IntRect(0, 0, 3, 3)); - - // Check that the generated image is correct. As mentioned above, we expect - // green, red, green in that order. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = 0; row < 3; ++row) { - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, - row == 0 || row == 2 ? BGRAColor::Green() - : BGRAColor::Red())); - } - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsOutput1_1) -{ - WithDeinterlacingFilter(IntSize(1, 1), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be a single red row. - uint32_t count = 0; - auto result = aFilter->WritePixels<uint32_t>([&]() { - ++count; - return AsVariant(BGRAColor::Red().AsPixel()); - }); - EXPECT_EQ(WriteState::FINISHED, result); - EXPECT_EQ(1u, count); - - AssertCorrectPipelineFinalState(aFilter, - IntRect(0, 0, 1, 1), - IntRect(0, 0, 1, 1)); - - // Check that the generated image is correct. As mentioned above, we expect - // a single red row. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - EXPECT_TRUE(RowsAreSolidColor(surface, 0, 1, BGRAColor::Red())); - }); -} - -void -WriteRowAndCheckInterlacerOutput(Decoder* aDecoder, - SurfaceFilter* aFilter, - BGRAColor aColor, - WriteState aNextState, - IntRect aInvalidRect, - uint32_t aFirstHaeberliRow, - uint32_t aLastHaeberliRow) -{ - uint32_t count = 0; - - auto result = aFilter->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> { - if (count < 7) { - ++count; - return AsVariant(aColor.AsPixel()); - } - return AsVariant(WriteState::NEED_MORE_DATA); - }); - - EXPECT_EQ(aNextState, result); - EXPECT_EQ(7u, count); - - // Assert that we got the expected invalidation region. - Maybe<SurfaceInvalidRect> invalidRect = aFilter->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isSome()); - EXPECT_EQ(aInvalidRect, invalidRect->mInputSpaceRect); - EXPECT_EQ(aInvalidRect, invalidRect->mOutputSpaceRect); - - // Check that the portion of the image generated so far is correct. The rows - // from aFirstHaeberliRow to aLastHaeberliRow should be filled with aColor. - // Note that this is not the same as the set of rows in aInvalidRect, because - // after writing a row the deinterlacer seeks to the next row to write, which - // may involve copying previously-written rows in the buffer to the output - // even though they don't change in this pass. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = aFirstHaeberliRow; row <= aLastHaeberliRow; ++row) { - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, aColor)); - } -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsIntermediateOutput7_7) -{ - WithDeinterlacingFilter(IntSize(7, 7), /* aProgressiveDisplay = */ true, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be a repeating pattern of two green - // rows followed by two red rows but we need to write the rows in the order - // that the deinterlacer expects them. - - // First pass. Output rows are positioned at 8n + 0. - - // Output row 0. The invalid rect is the entire image because this is the - // end of the first pass. - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::NEED_MORE_DATA, - IntRect(0, 0, 7, 7), 0, 4); - - // Second pass. Rows are positioned at 8n + 4. - - // Output row 4. The invalid rect is the entire image because this is the - // end of the second pass. - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::NEED_MORE_DATA, - IntRect(0, 0, 7, 7), 1, 4); - - // Third pass. Rows are positioned at 4n + 2. - - // Output row 2. The invalid rect contains the Haeberli rows for this output - // row (rows 2 and 3) as well as the rows that we copy from previous passes - // when seeking to the next output row (rows 4 and 5). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Red(), - WriteState::NEED_MORE_DATA, - IntRect(0, 2, 7, 4), 2, 3); - - // Output row 6. The invalid rect is the entire image because this is the - // end of the third pass. - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Red(), - WriteState::NEED_MORE_DATA, - IntRect(0, 0, 7, 7), 6, 6); - - // Fourth pass. Rows are positioned at 2n + 1. - - // Output row 1. The invalid rect contains the Haeberli rows for this output - // row (just row 1) as well as the rows that we copy from previous passes - // when seeking to the next output row (row 2). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::NEED_MORE_DATA, - IntRect(0, 1, 7, 2), 1, 1); - - // Output row 3. The invalid rect contains the Haeberli rows for this output - // row (just row 3) as well as the rows that we copy from previous passes - // when seeking to the next output row (row 4). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Red(), - WriteState::NEED_MORE_DATA, - IntRect(0, 3, 7, 2), 3, 3); - - // Output row 5. The invalid rect contains the Haeberli rows for this output - // row (just row 5) as well as the rows that we copy from previous passes - // when seeking to the next output row (row 6). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::FINISHED, - IntRect(0, 5, 7, 2), 5, 5); - - // Assert that we're in the expected final state. - EXPECT_TRUE(aFilter->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aFilter->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Check that the generated image is correct. As mentioned above, we expect - // two green rows, followed by two red rows, then two green rows, etc. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = 0; row < 7; ++row) { - BGRAColor color = row == 0 || row == 1 || row == 4 || row == 5 - ? BGRAColor::Green() - : BGRAColor::Red(); - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, color)); - } - }); -} - -TEST_F(ImageDeinterlacingFilter, WritePixelsNonProgressiveIntermediateOutput7_7) -{ - WithDeinterlacingFilter(IntSize(7, 7), /* aProgressiveDisplay = */ false, - [](Decoder* aDecoder, SurfaceFilter* aFilter) { - // Fill the image. The output should be a repeating pattern of two green - // rows followed by two red rows but we need to write the rows in the order - // that the deinterlacer expects them. - - // First pass. Output rows are positioned at 8n + 0. - - // Output row 0. The invalid rect is the entire image because this is the - // end of the first pass. - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::NEED_MORE_DATA, - IntRect(0, 0, 7, 7), 0, 0); - - // Second pass. Rows are positioned at 8n + 4. - - // Output row 4. The invalid rect is the entire image because this is the - // end of the second pass. - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::NEED_MORE_DATA, - IntRect(0, 0, 7, 7), 4, 4); - - // Third pass. Rows are positioned at 4n + 2. - - // Output row 2. The invalid rect contains the Haeberli rows for this output - // row (rows 2 and 3) as well as the rows that we copy from previous passes - // when seeking to the next output row (rows 4 and 5). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Red(), - WriteState::NEED_MORE_DATA, - IntRect(0, 2, 7, 4), 2, 2); - - // Output row 6. The invalid rect is the entire image because this is the - // end of the third pass. - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Red(), - WriteState::NEED_MORE_DATA, - IntRect(0, 0, 7, 7), 6, 6); - - // Fourth pass. Rows are positioned at 2n + 1. - - // Output row 1. The invalid rect contains the Haeberli rows for this output - // row (just row 1) as well as the rows that we copy from previous passes - // when seeking to the next output row (row 2). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::NEED_MORE_DATA, - IntRect(0, 1, 7, 2), 1, 1); - - // Output row 3. The invalid rect contains the Haeberli rows for this output - // row (just row 3) as well as the rows that we copy from previous passes - // when seeking to the next output row (row 4). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Red(), - WriteState::NEED_MORE_DATA, - IntRect(0, 3, 7, 2), 3, 3); - - // Output row 5. The invalid rect contains the Haeberli rows for this output - // row (just row 5) as well as the rows that we copy from previous passes - // when seeking to the next output row (row 6). - WriteRowAndCheckInterlacerOutput(aDecoder, aFilter, BGRAColor::Green(), - WriteState::FINISHED, - IntRect(0, 5, 7, 2), 5, 5); - - // Assert that we're in the expected final state. - EXPECT_TRUE(aFilter->IsSurfaceFinished()); - Maybe<SurfaceInvalidRect> invalidRect = aFilter->TakeInvalidRect(); - EXPECT_TRUE(invalidRect.isNothing()); - - // Check that the generated image is correct. As mentioned above, we expect - // two green rows, followed by two red rows, then two green rows, etc. - RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef(); - RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface(); - - for (uint32_t row = 0; row < 7; ++row) { - BGRAColor color = row == 0 || row == 1 || row == 4 || row == 5 - ? BGRAColor::Green() - : BGRAColor::Red(); - EXPECT_TRUE(RowsAreSolidColor(surface, row, 1, color)); - } - }); -} - - -TEST_F(ImageDeinterlacingFilter, DeinterlacingFailsFor0_0) -{ - // A 0x0 input size is invalid, so configuration should fail. - AssertConfiguringDeinterlacingFilterFails(IntSize(0, 0)); -} - -TEST_F(ImageDeinterlacingFilter, DeinterlacingFailsForMinus1_Minus1) -{ - // A negative input size is invalid, so configuration should fail. - AssertConfiguringDeinterlacingFilterFails(IntSize(-1, -1)); -} |