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// Copyright (c) 2011 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 "content/renderer/media/rtc_video_decoder.h"
#include <deque>
#include "base/bind.h"
#include "base/memory/singleton.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "media/base/data_buffer.h"
#include "media/base/filters.h"
#include "media/base/limits.h"
#include "media/base/mock_callback.h"
#include "media/base/mock_filter_host.h"
#include "media/base/mock_filters.h"
#include "media/base/video_frame.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle/source/talk/session/phone/videoframe.h"
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::DoAll;
using ::testing::Message;
using ::testing::Return;
using ::testing::ReturnNull;
using ::testing::SetArgumentPointee;
using ::testing::StrictMock;
using ::testing::WithArg;
using ::testing::Invoke;
using media::Limits;
using media::MockStatisticsCallback;
using media::MockVideoRenderer;
using media::MockFilterHost;
using media::NewExpectedClosure;
using media::PipelineStatistics;
using media::PIPELINE_OK;
using media::StatisticsCallback;
namespace {
class NullVideoFrame : public cricket::VideoFrame {
public:
NullVideoFrame() {};
virtual ~NullVideoFrame() {};
virtual size_t GetWidth() const OVERRIDE { return 0; }
virtual size_t GetHeight() const OVERRIDE { return 0; }
virtual const uint8 *GetYPlane() const OVERRIDE { return NULL; }
virtual const uint8 *GetUPlane() const OVERRIDE { return NULL; }
virtual const uint8 *GetVPlane() const OVERRIDE { return NULL; }
virtual uint8 *GetYPlane() OVERRIDE { return NULL; }
virtual uint8 *GetUPlane() OVERRIDE { return NULL; }
virtual uint8 *GetVPlane() OVERRIDE { return NULL; }
virtual int32 GetYPitch() const OVERRIDE { return 0; }
virtual int32 GetUPitch() const OVERRIDE { return 0; }
virtual int32 GetVPitch() const OVERRIDE { return 0; }
virtual size_t GetPixelWidth() const OVERRIDE { return 1; }
virtual size_t GetPixelHeight() const OVERRIDE { return 1; }
virtual int64 GetElapsedTime() const OVERRIDE { return 0; }
virtual int64 GetTimeStamp() const OVERRIDE { return 0; }
virtual void SetElapsedTime(int64 elapsed_time) OVERRIDE {}
virtual void SetTimeStamp(int64 time_stamp) OVERRIDE {}
virtual int GetRotation() const OVERRIDE { return 0; }
virtual VideoFrame *Copy() const OVERRIDE { return NULL; }
virtual bool MakeExclusive() OVERRIDE { return true; }
virtual size_t CopyToBuffer(uint8 *buffer, size_t size) const OVERRIDE {
return 0;
}
virtual size_t ConvertToRgbBuffer(uint32 to_fourcc, uint8 *buffer,
size_t size,
size_t pitch_rgb) const OVERRIDE {
return 0;
}
virtual void StretchToPlanes(uint8 *y, uint8 *u, uint8 *v,
int32 pitchY, int32 pitchU, int32 pitchV,
size_t width, size_t height,
bool interpolate, bool crop) const OVERRIDE {
}
virtual size_t StretchToBuffer(size_t w, size_t h, uint8 *buffer, size_t size,
bool interpolate, bool crop) const OVERRIDE {
return 0;
}
virtual void StretchToFrame(VideoFrame *target, bool interpolate,
bool crop) const OVERRIDE {
}
virtual VideoFrame *Stretch(size_t w, size_t h, bool interpolate,
bool crop) const OVERRIDE {
return NULL;
}
};
} // namespace
class RTCVideoDecoderTest : public testing::Test {
protected:
static const int kWidth;
static const int kHeight;
static const char* kUrl;
static const PipelineStatistics kStatistics;
RTCVideoDecoderTest() {
decoder_ = new RTCVideoDecoder(&message_loop_, kUrl);
renderer_ = new MockVideoRenderer();
DCHECK(decoder_);
// Inject mocks and prepare a demuxer stream.
decoder_->set_host(&host_);
EXPECT_CALL(stats_callback_object_, OnStatistics(_))
.Times(AnyNumber());
}
virtual ~RTCVideoDecoderTest() {
// Finish up any remaining tasks.
message_loop_.RunAllPending();
}
void InitializeDecoderSuccessfully() {
// Test successful initialization.
decoder_->Initialize(NULL,
NewExpectedClosure(), NewStatisticsCallback());
message_loop_.RunAllPending();
}
StatisticsCallback NewStatisticsCallback() {
return base::Bind(&MockStatisticsCallback::OnStatistics,
base::Unretained(&stats_callback_object_));
}
MOCK_METHOD1(FrameReady, void(scoped_refptr<media::VideoFrame>));
// Fixture members.
scoped_refptr<RTCVideoDecoder> decoder_;
scoped_refptr<MockVideoRenderer> renderer_;
MockStatisticsCallback stats_callback_object_;
StrictMock<MockFilterHost> host_;
MessageLoop message_loop_;
private:
DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoderTest);
};
const int RTCVideoDecoderTest::kWidth = 176;
const int RTCVideoDecoderTest::kHeight = 144;
const char* RTCVideoDecoderTest::kUrl = "media://remote/0";
const PipelineStatistics RTCVideoDecoderTest::kStatistics;
TEST_F(RTCVideoDecoderTest, Initialize_Successful) {
InitializeDecoderSuccessfully();
// Test that the output media format is an uncompressed video surface that
// matches the dimensions specified by RTC.
EXPECT_EQ(kWidth, decoder_->natural_size().width());
EXPECT_EQ(kHeight, decoder_->natural_size().height());
}
TEST_F(RTCVideoDecoderTest, DoSeek) {
const base::TimeDelta kZero;
InitializeDecoderSuccessfully();
// Expect seek and verify the results.
decoder_->Seek(kZero, NewExpectedStatusCB(PIPELINE_OK));
message_loop_.RunAllPending();
EXPECT_EQ(RTCVideoDecoder::kNormal, decoder_->state_);
}
TEST_F(RTCVideoDecoderTest, DoRenderFrame) {
const base::TimeDelta kZero;
EXPECT_CALL(host_, GetTime()).WillRepeatedly(Return(base::TimeDelta()));
InitializeDecoderSuccessfully();
NullVideoFrame video_frame;
for (size_t i = 0; i < Limits::kMaxVideoFrames; ++i) {
decoder_->RenderFrame(&video_frame);
}
message_loop_.RunAllPending();
EXPECT_EQ(RTCVideoDecoder::kNormal, decoder_->state_);
}
TEST_F(RTCVideoDecoderTest, DoSetSize) {
InitializeDecoderSuccessfully();
int new_width = kWidth * 2;
int new_height = kHeight * 2;
gfx::Size new_natural_size(new_width, new_height);
int new_reserved = 0;
EXPECT_CALL(host_,
SetNaturalVideoSize(new_natural_size)).WillRepeatedly(Return());
decoder_->SetSize(new_width, new_height, new_reserved);
EXPECT_EQ(new_width, decoder_->natural_size().width());
EXPECT_EQ(new_height, decoder_->natural_size().height());
message_loop_.RunAllPending();
}
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