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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/bind.h"
#include "cc/layers/video_frame_provider.h"
#include "media/base/video_frame.h"
#include "media/blink/video_frame_compositor.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
class VideoFrameCompositorTest : public testing::Test,
public cc::VideoFrameProvider::Client {
public:
VideoFrameCompositorTest()
: compositor_(new VideoFrameCompositor(
base::Bind(&VideoFrameCompositorTest::NaturalSizeChanged,
base::Unretained(this)),
base::Bind(&VideoFrameCompositorTest::OpacityChanged,
base::Unretained(this)))),
did_receive_frame_count_(0),
natural_size_changed_count_(0),
opacity_changed_count_(0),
opaque_(false) {
compositor_->SetVideoFrameProviderClient(this);
}
virtual ~VideoFrameCompositorTest() {
compositor_->SetVideoFrameProviderClient(NULL);
}
VideoFrameCompositor* compositor() { return compositor_.get(); }
int did_receive_frame_count() { return did_receive_frame_count_; }
int natural_size_changed_count() { return natural_size_changed_count_; }
gfx::Size natural_size() { return natural_size_; }
int opacity_changed_count() { return opacity_changed_count_; }
bool opaque() { return opaque_; }
private:
// cc::VideoFrameProvider::Client implementation.
virtual void StopUsingProvider() override {}
virtual void DidReceiveFrame() override {
++did_receive_frame_count_;
}
virtual void DidUpdateMatrix(const float* matrix) override {}
void NaturalSizeChanged(gfx::Size natural_size) {
++natural_size_changed_count_;
natural_size_ = natural_size;
}
void OpacityChanged(bool opaque) {
++opacity_changed_count_;
opaque_ = opaque;
}
scoped_ptr<VideoFrameCompositor> compositor_;
int did_receive_frame_count_;
int natural_size_changed_count_;
gfx::Size natural_size_;
int opacity_changed_count_;
bool opaque_;
DISALLOW_COPY_AND_ASSIGN(VideoFrameCompositorTest);
};
TEST_F(VideoFrameCompositorTest, InitialValues) {
EXPECT_FALSE(compositor()->GetCurrentFrame().get());
}
TEST_F(VideoFrameCompositorTest, UpdateCurrentFrame) {
scoped_refptr<VideoFrame> expected = VideoFrame::CreateEOSFrame();
// Should notify compositor synchronously.
EXPECT_EQ(0, did_receive_frame_count());
compositor()->UpdateCurrentFrame(expected);
scoped_refptr<VideoFrame> actual = compositor()->GetCurrentFrame();
EXPECT_EQ(expected, actual);
EXPECT_EQ(1, did_receive_frame_count());
}
TEST_F(VideoFrameCompositorTest, NaturalSizeChanged) {
gfx::Size initial_size(8, 8);
scoped_refptr<VideoFrame> initial_frame =
VideoFrame::CreateBlackFrame(initial_size);
gfx::Size larger_size(16, 16);
scoped_refptr<VideoFrame> larger_frame =
VideoFrame::CreateBlackFrame(larger_size);
// Initial expectations.
EXPECT_EQ(0, natural_size().width());
EXPECT_EQ(0, natural_size().height());
EXPECT_EQ(0, natural_size_changed_count());
// Callback isn't fired for the first frame.
compositor()->UpdateCurrentFrame(initial_frame);
EXPECT_EQ(0, natural_size().width());
EXPECT_EQ(0, natural_size().height());
EXPECT_EQ(0, natural_size_changed_count());
// Callback should be fired once.
compositor()->UpdateCurrentFrame(larger_frame);
EXPECT_EQ(larger_size.width(), natural_size().width());
EXPECT_EQ(larger_size.height(), natural_size().height());
EXPECT_EQ(1, natural_size_changed_count());
compositor()->UpdateCurrentFrame(larger_frame);
EXPECT_EQ(larger_size.width(), natural_size().width());
EXPECT_EQ(larger_size.height(), natural_size().height());
EXPECT_EQ(1, natural_size_changed_count());
// Callback is fired once more when switching back to initial size.
compositor()->UpdateCurrentFrame(initial_frame);
EXPECT_EQ(initial_size.width(), natural_size().width());
EXPECT_EQ(initial_size.height(), natural_size().height());
EXPECT_EQ(2, natural_size_changed_count());
compositor()->UpdateCurrentFrame(initial_frame);
EXPECT_EQ(initial_size.width(), natural_size().width());
EXPECT_EQ(initial_size, natural_size());
EXPECT_EQ(2, natural_size_changed_count());
}
TEST_F(VideoFrameCompositorTest, OpacityChanged) {
gfx::Size size(8, 8);
gfx::Rect rect(gfx::Point(0, 0), size);
scoped_refptr<VideoFrame> opaque_frame = VideoFrame::CreateFrame(
VideoFrame::YV12, size, rect, size, base::TimeDelta());
scoped_refptr<VideoFrame> not_opaque_frame = VideoFrame::CreateFrame(
VideoFrame::YV12A, size, rect, size, base::TimeDelta());
// Initial expectations.
EXPECT_FALSE(opaque());
EXPECT_EQ(0, opacity_changed_count());
// Callback is fired for the first frame.
compositor()->UpdateCurrentFrame(not_opaque_frame);
EXPECT_FALSE(opaque());
EXPECT_EQ(1, opacity_changed_count());
// Callback shouldn't be first subsequent times with same opaqueness.
compositor()->UpdateCurrentFrame(not_opaque_frame);
EXPECT_FALSE(opaque());
EXPECT_EQ(1, opacity_changed_count());
// Callback is fired when using opacity changes.
compositor()->UpdateCurrentFrame(opaque_frame);
EXPECT_TRUE(opaque());
EXPECT_EQ(2, opacity_changed_count());
// Callback shouldn't be first subsequent times with same opaqueness.
compositor()->UpdateCurrentFrame(opaque_frame);
EXPECT_TRUE(opaque());
EXPECT_EQ(2, opacity_changed_count());
}
} // namespace media
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