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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 <vector>
#include "base/bind.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "media/base/video_frame.h"
#include "media/cast/cast_defines.h"
#include "media/cast/cast_environment.h"
#include "media/cast/test/fake_gpu_video_accelerator_factories.h"
#include "media/cast/test/fake_single_thread_task_runner.h"
#include "media/cast/test/fake_video_encode_accelerator.h"
#include "media/cast/test/utility/video_utility.h"
#include "media/cast/video_sender/external_video_encoder.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace media {
namespace cast {
using testing::_;
namespace {
class TestVideoEncoderCallback
: public base::RefCountedThreadSafe<TestVideoEncoderCallback> {
public:
TestVideoEncoderCallback() {}
void SetExpectedResult(bool expected_key_frame,
uint8 expected_frame_id,
uint8 expected_last_referenced_frame_id,
const base::TimeTicks& expected_capture_time) {
expected_key_frame_ = expected_key_frame;
expected_frame_id_ = expected_frame_id;
expected_last_referenced_frame_id_ = expected_last_referenced_frame_id;
expected_capture_time_ = expected_capture_time;
}
void DeliverEncodedVideoFrame(
scoped_ptr<transport::EncodedVideoFrame> encoded_frame,
const base::TimeTicks& capture_time) {
EXPECT_EQ(expected_key_frame_, encoded_frame->key_frame);
EXPECT_EQ(expected_frame_id_, encoded_frame->frame_id);
EXPECT_EQ(expected_last_referenced_frame_id_,
encoded_frame->last_referenced_frame_id);
EXPECT_EQ(expected_capture_time_, capture_time);
}
protected:
virtual ~TestVideoEncoderCallback() {}
private:
friend class base::RefCountedThreadSafe<TestVideoEncoderCallback>;
bool expected_key_frame_;
uint8 expected_frame_id_;
uint8 expected_last_referenced_frame_id_;
base::TimeTicks expected_capture_time_;
DISALLOW_COPY_AND_ASSIGN(TestVideoEncoderCallback);
};
} // namespace
class ExternalVideoEncoderTest : public ::testing::Test {
protected:
ExternalVideoEncoderTest()
: test_video_encoder_callback_(new TestVideoEncoderCallback()) {
video_config_.sender_ssrc = 1;
video_config_.incoming_feedback_ssrc = 2;
video_config_.rtp_config.payload_type = 127;
video_config_.use_external_encoder = true;
video_config_.width = 320;
video_config_.height = 240;
video_config_.max_bitrate = 5000000;
video_config_.min_bitrate = 1000000;
video_config_.start_bitrate = 2000000;
video_config_.max_qp = 56;
video_config_.min_qp = 0;
video_config_.max_frame_rate = 30;
video_config_.max_number_of_video_buffers_used = 3;
video_config_.codec = transport::kVp8;
gfx::Size size(video_config_.width, video_config_.height);
video_frame_ = media::VideoFrame::CreateFrame(
VideoFrame::I420, size, gfx::Rect(size), size, base::TimeDelta());
PopulateVideoFrame(video_frame_, 123);
testing_clock_ = new base::SimpleTestTickClock();
task_runner_ = new test::FakeSingleThreadTaskRunner(testing_clock_);
cast_environment_ =
new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_).Pass(),
task_runner_,
task_runner_,
task_runner_,
task_runner_,
task_runner_,
task_runner_,
GetDefaultCastSenderLoggingConfig());
video_encoder_.reset(new ExternalVideoEncoder(
cast_environment_,
video_config_,
new test::FakeGpuVideoAcceleratorFactories(task_runner_)));
}
virtual ~ExternalVideoEncoderTest() {}
base::SimpleTestTickClock* testing_clock_; // Owned by CastEnvironment.
scoped_refptr<TestVideoEncoderCallback> test_video_encoder_callback_;
VideoSenderConfig video_config_;
scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
scoped_ptr<VideoEncoder> video_encoder_;
scoped_refptr<media::VideoFrame> video_frame_;
scoped_refptr<CastEnvironment> cast_environment_;
DISALLOW_COPY_AND_ASSIGN(ExternalVideoEncoderTest);
};
TEST_F(ExternalVideoEncoderTest, EncodePattern30fpsRunningOutOfAck) {
task_runner_->RunTasks(); // Run the initializer on the correct thread.
VideoEncoder::FrameEncodedCallback frame_encoded_callback =
base::Bind(&TestVideoEncoderCallback::DeliverEncodedVideoFrame,
test_video_encoder_callback_.get());
base::TimeTicks capture_time;
capture_time += base::TimeDelta::FromMilliseconds(33);
test_video_encoder_callback_->SetExpectedResult(true, 0, 0, capture_time);
EXPECT_TRUE(video_encoder_->EncodeVideoFrame(
video_frame_, capture_time, frame_encoded_callback));
task_runner_->RunTasks();
for (int i = 0; i < 6; ++i) {
capture_time += base::TimeDelta::FromMilliseconds(33);
test_video_encoder_callback_->SetExpectedResult(
false, i + 1, i, capture_time);
EXPECT_TRUE(video_encoder_->EncodeVideoFrame(
video_frame_, capture_time, frame_encoded_callback));
task_runner_->RunTasks();
}
// We need to run the task to cleanup the GPU instance.
video_encoder_.reset(NULL);
task_runner_->RunTasks();
}
} // namespace cast
} // namespace media
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