firefox-main/dom/media/gtest/TestVideoSegment.cpp (file symbol)

Source code

Revision control

Copy as Markdown

Other Tools

/* 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 "VideoSegment.h"
#include "gtest/gtest.h"
using namespace mozilla;
namespace mozilla::layer {
class Image;
} // namespace mozilla::layer
TEST(VideoSegment, TestAppendFrameForceBlack)
{
RefPtr<layers::Image> testImage = nullptr;
VideoSegment segment;
segment.AppendFrame(testImage.forget(), mozilla::gfx::IntSize(640, 480),
PRINCIPAL_HANDLE_NONE, true);
VideoSegment::ChunkIterator iter(segment);
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
EXPECT_TRUE(chunk.mFrame.GetForceBlack());
iter.Next();
}
}
TEST(VideoSegment, TestAppendFrameNotForceBlack)
{
RefPtr<layers::Image> testImage = nullptr;
VideoSegment segment;
segment.AppendFrame(testImage.forget(), mozilla::gfx::IntSize(640, 480),
PRINCIPAL_HANDLE_NONE);
VideoSegment::ChunkIterator iter(segment);
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
EXPECT_FALSE(chunk.mFrame.GetForceBlack());
iter.Next();
}
}
TEST(VideoSegment, TestBlackImageSize)
{
// Helper: return a layers::Image by creating a VideoFrame with the given
// intrinsic size and call CloneAsBlackImage(), which generates an image at
// the intrinsic size.
auto makeBlackImage = [](mozilla::gfx::IntSize aSize) {
VideoFrame frame(/*aImage=*/nullptr, aSize);
return frame.CloneAsBlackImage();
};
// Valid size should produce an image of the same size.
{
const mozilla::gfx::IntSize size(640, 480);
RefPtr<layers::Image> img = makeBlackImage(size);
ASSERT_NE(img, nullptr);
EXPECT_EQ(img->GetSize(), size);
}
// Zero dimensions should fail.
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(0, 480))}, nullptr);
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(640, 0))}, nullptr);
// Negative dimensions should fail.
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(-1, 480))}, nullptr);
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(640, -1))}, nullptr);
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(-640, -480))}, nullptr);
// Boundary: exactly 16K should succeed.
EXPECT_NE(RefPtr{makeBlackImage(mozilla::gfx::IntSize(16384, 480))}, nullptr);
EXPECT_NE(RefPtr{makeBlackImage(mozilla::gfx::IntSize(640, 16384))}, nullptr);
EXPECT_NE(RefPtr{makeBlackImage(mozilla::gfx::IntSize(16384, 16384))},
nullptr);
// Boundary: one over 16K should fail.
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(16384 + 1, 480))},
nullptr);
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(640, 16384 + 1))},
nullptr);
// Overflowing dimensions should fail.
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(INT_MAX, 480))},
nullptr);
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(640, INT_MAX))},
nullptr);
EXPECT_EQ(RefPtr{makeBlackImage(mozilla::gfx::IntSize(INT_MAX, INT_MAX))},
nullptr);
// Non-null image: CloneAsBlackImage() uses the intrinsic size, not the
// underlying image's pixel size.
{
RefPtr<layers::Image> img = makeBlackImage(mozilla::gfx::IntSize(640, 480));
ASSERT_NE(img, nullptr);
// Wrap it in a frame with different intrinsic size.
mozilla::gfx::IntSize intrinsicSize(320, 240);
VideoFrame frame(img.forget(), intrinsicSize);
RefPtr<layers::Image> result = frame.CloneAsBlackImage();
ASSERT_NE(result, nullptr);
EXPECT_EQ(result->GetSize(), intrinsicSize);
}
// Non-null image is ignored when the intrinsic size is invalid.
{
RefPtr<layers::Image> img = makeBlackImage(mozilla::gfx::IntSize(320, 240));
ASSERT_NE(img, nullptr);
VideoFrame frame(img.forget(), mozilla::gfx::IntSize(0, 0));
EXPECT_EQ(RefPtr{frame.CloneAsBlackImage()}, nullptr);
}
}