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// Copyright 2015 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 "base/callback_helpers.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/test/simple_test_tick_clock.h"
#include "media/base/null_video_sink.h"
#include "media/base/test_helpers.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::DoAll;
using testing::Return;
namespace media {
ACTION_P(RunClosure, closure) {
closure.Run();
}
class NullVideoSinkTest : public testing::Test,
public VideoRendererSink::RenderCallback {
public:
NullVideoSinkTest() {
// Never use null TimeTicks since they have special connotations.
tick_clock_.Advance(base::TimeDelta::FromMicroseconds(12345));
}
~NullVideoSinkTest() override {}
scoped_ptr<NullVideoSink> ConstructSink(bool clockless,
base::TimeDelta interval) {
scoped_ptr<NullVideoSink> new_sink(new NullVideoSink(
clockless, interval,
base::Bind(&NullVideoSinkTest::FrameReceived, base::Unretained(this)),
message_loop_.task_runner()));
new_sink->set_tick_clock_for_testing(&tick_clock_);
return new_sink;
}
scoped_refptr<VideoFrame> CreateFrame(base::TimeDelta timestamp) {
const gfx::Size natural_size(8, 8);
return VideoFrame::CreateFrame(PIXEL_FORMAT_YV12, natural_size,
gfx::Rect(natural_size), natural_size,
timestamp);
}
// VideoRendererSink::RenderCallback implementation.
MOCK_METHOD3(Render,
scoped_refptr<VideoFrame>(base::TimeTicks,
base::TimeTicks,
bool));
MOCK_METHOD0(OnFrameDropped, void());
MOCK_METHOD1(FrameReceived, void(const scoped_refptr<VideoFrame>&));
protected:
base::MessageLoop message_loop_;
base::SimpleTestTickClock tick_clock_;
DISALLOW_COPY_AND_ASSIGN(NullVideoSinkTest);
};
TEST_F(NullVideoSinkTest, BasicFunctionality) {
const base::TimeDelta kInterval = base::TimeDelta::FromMilliseconds(25);
scoped_ptr<NullVideoSink> sink = ConstructSink(false, kInterval);
scoped_refptr<VideoFrame> test_frame = CreateFrame(base::TimeDelta());
// The sink shouldn't have to be started to use the paint method.
EXPECT_CALL(*this, FrameReceived(test_frame));
sink->PaintFrameUsingOldRenderingPath(test_frame);
{
SCOPED_TRACE("Waiting for sink startup.");
sink->Start(this);
const base::TimeTicks current_time = tick_clock_.NowTicks();
const base::TimeTicks current_interval_end = current_time + kInterval;
EXPECT_CALL(*this, Render(current_time, current_interval_end, false))
.WillOnce(Return(test_frame));
WaitableMessageLoopEvent event;
EXPECT_CALL(*this, FrameReceived(test_frame))
.WillOnce(RunClosure(event.GetClosure()));
event.RunAndWait();
}
// Verify that toggling background rendering mode issues the right bit to
// each Render() call.
sink->set_background_render(true);
// A second call returning the same frame should not result in a new call to
// FrameReceived().
{
SCOPED_TRACE("Waiting for second render call.");
WaitableMessageLoopEvent event;
EXPECT_CALL(*this, Render(_, _, true))
.WillOnce(Return(test_frame))
.WillOnce(Return(nullptr));
EXPECT_CALL(*this, FrameReceived(test_frame)).Times(0);
EXPECT_CALL(*this, FrameReceived(scoped_refptr<VideoFrame>()))
.WillOnce(RunClosure(event.GetClosure()));
event.RunAndWait();
}
{
SCOPED_TRACE("Waiting for stop event.");
WaitableMessageLoopEvent event;
sink->set_stop_cb(event.GetClosure());
sink->Stop();
event.RunAndWait();
}
}
TEST_F(NullVideoSinkTest, ClocklessFunctionality) {
// Construct the sink with a huge interval, it should still complete quickly.
const base::TimeDelta interval = base::TimeDelta::FromSeconds(10);
scoped_ptr<NullVideoSink> sink = ConstructSink(true, interval);
scoped_refptr<VideoFrame> test_frame = CreateFrame(base::TimeDelta());
sink->Start(this);
EXPECT_CALL(*this, FrameReceived(test_frame)).Times(1);
EXPECT_CALL(*this, FrameReceived(scoped_refptr<VideoFrame>())).Times(1);
const int kTestRuns = 6;
const base::TimeTicks now = base::TimeTicks::Now();
const base::TimeTicks current_time = tick_clock_.NowTicks();
SCOPED_TRACE("Waiting for multiple render callbacks");
WaitableMessageLoopEvent event;
for (int i = 0; i < kTestRuns; ++i) {
if (i < kTestRuns - 1) {
EXPECT_CALL(*this, Render(current_time + i * interval,
current_time + (i + 1) * interval, false))
.WillOnce(Return(test_frame));
} else {
EXPECT_CALL(*this, Render(current_time + i * interval,
current_time + (i + 1) * interval, false))
.WillOnce(DoAll(RunClosure(event.GetClosure()), Return(nullptr)));
}
}
event.RunAndWait();
ASSERT_LT(base::TimeTicks::Now() - now, kTestRuns * interval);
sink->Stop();
}
} // namespace media
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