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// Copyright (c) 2010 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 <d3d9.h>
#include <dxva2api.h>
#include <mfapi.h>
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "base/scoped_ptr.h"
#include "base/string_util.h"
#include "media/base/video_frame.h"
#include "media/mf/d3d_util.h"
#include "media/mf/file_reader_util.h"
#include "media/mf/mft_h264_decoder.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
static const int kDecoderMaxWidth = 1920;
static const int kDecoderMaxHeight = 1088;
class FakeMftReader {
public:
FakeMftReader() : frames_remaining_(20) {}
explicit FakeMftReader(int count) : frames_remaining_(count) {}
~FakeMftReader() {}
// Provides garbage input to the decoder.
void ReadCallback(uint8** buf, int* sz, int64* ts, int64* dur) {
if (frames_remaining_ > 0) {
*sz = 4096;
*buf = new uint8[*sz];
memset(*buf, 42, *sz);
*ts = 50000000 - frames_remaining_ * 10000;
*dur = 5000;
--frames_remaining_;
} else {
// Emulate end of stream on the last "frame".
*buf = NULL;
*sz = 0;
}
}
int frames_remaining() const { return frames_remaining_; }
private:
int frames_remaining_;
};
class FakeMftRenderer : public base::RefCountedThreadSafe<FakeMftRenderer> {
public:
explicit FakeMftRenderer(scoped_refptr<MftH264Decoder> decoder)
: decoder_(decoder),
count_(0) {
}
~FakeMftRenderer() {}
void WriteCallback(scoped_refptr<VideoFrame> frame) {
static_cast<IMFMediaBuffer*>(frame->private_buffer())->Release();
++count_;
MessageLoop::current()->PostTask(
FROM_HERE,
NewRunnableMethod(decoder_.get(), &MftH264Decoder::GetOutput));
}
void Start() {
MessageLoop::current()->PostTask(
FROM_HERE,
NewRunnableMethod(decoder_.get(), &MftH264Decoder::GetOutput));
}
int count() const { return count_; }
private:
scoped_refptr<MftH264Decoder> decoder_;
int count_;
};
class MftH264DecoderTest : public testing::Test {
public:
MftH264DecoderTest() {}
virtual ~MftH264DecoderTest() {}
protected:
virtual void SetUp() {}
virtual void TearDown() {}
};
// A simple test case for init/deinit of MF/COM libraries.
TEST_F(MftH264DecoderTest, SimpleInit) {
EXPECT_HRESULT_SUCCEEDED(
CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE));
EXPECT_HRESULT_SUCCEEDED(MFStartup(MF_VERSION, MFSTARTUP_FULL));
EXPECT_HRESULT_SUCCEEDED(MFShutdown());
CoUninitialize();
}
TEST_F(MftH264DecoderTest, InitWithDxvaButNoD3DDevice) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(true));
ASSERT_TRUE(decoder.get() != NULL);
FakeMftReader reader;
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
EXPECT_FALSE(
decoder->Init(NULL, 6, 7, 111, 222, 3, 1,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
}
TEST_F(MftH264DecoderTest, InitMissingCallbacks) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
EXPECT_FALSE(decoder->Init(NULL, 1, 3, 111, 222, 56, 34, NULL, NULL));
}
TEST_F(MftH264DecoderTest, InitWithNegativeDimensions) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
FakeMftReader reader;
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
EXPECT_TRUE(decoder->Init(NULL, 0, 6, -123, -456, 22, 4787,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
// By default, decoder should "guess" the dimensions to be the maximum.
EXPECT_EQ(kDecoderMaxWidth, decoder->width());
EXPECT_EQ(kDecoderMaxHeight, decoder->height());
}
TEST_F(MftH264DecoderTest, InitWithTooHighDimensions) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
FakeMftReader reader;
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
EXPECT_TRUE(decoder->Init(NULL, 0, 0,
kDecoderMaxWidth + 1, kDecoderMaxHeight + 1,
0, 0,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
// Decoder should truncate the dimensions to the maximum supported.
EXPECT_EQ(kDecoderMaxWidth, decoder->width());
EXPECT_EQ(kDecoderMaxHeight, decoder->height());
}
TEST_F(MftH264DecoderTest, InitWithNormalDimensions) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
FakeMftReader reader;
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
int width = 1024, height = 768;
EXPECT_TRUE(decoder->Init(NULL, 0, 0, width, height, 0, 0,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
EXPECT_EQ(width, decoder->width());
EXPECT_EQ(height, decoder->height());
}
// SendDrainMessage() is not a public method. Nonetheless it does not hurt
// to test that the decoder should not do things before it is initialized.
TEST_F(MftH264DecoderTest, SendDrainMessageBeforeInitDeathTest) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
EXPECT_DEATH({ decoder->SendDrainMessage(); }, ".*initialized_.*");
}
// Tests draining after init, but before any input is sent.
TEST_F(MftH264DecoderTest, SendDrainMessageAtInit) {
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
FakeMftReader reader;
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
ASSERT_TRUE(decoder->Init(NULL, 0, 0, 111, 222, 0, 0,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
EXPECT_TRUE(decoder->SendDrainMessage());
EXPECT_TRUE(decoder->drain_message_sent_);
}
TEST_F(MftH264DecoderTest, DrainOnEndOfInputStream) {
MessageLoop loop;
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
// No frames, outputs a NULL indicating end-of-stream
FakeMftReader reader(0);
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
ASSERT_TRUE(decoder->Init(NULL, 0, 0, 111, 222, 0, 0,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
MessageLoop::current()->PostTask(
FROM_HERE,
NewRunnableMethod(renderer.get(), &FakeMftRenderer::Start));
MessageLoop::current()->Run();
EXPECT_TRUE(decoder->drain_message_sent());
}
// 100 input garbage samples should be enough to test whether the decoder
// will output decoded garbage frames.
TEST_F(MftH264DecoderTest, NoOutputOnGarbageInput) {
MessageLoop loop;
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(false));
ASSERT_TRUE(decoder.get() != NULL);
int num_frames = 100;
FakeMftReader reader(num_frames);
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
ASSERT_TRUE(decoder->Init(NULL, 0, 0, 111, 222, 0, 0,
NewCallback(&reader, &FakeMftReader::ReadCallback),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableMethod(renderer.get(), &FakeMftRenderer::Start));
MessageLoop::current()->Run();
// Decoder should accept corrupt input data and silently ignore it.
EXPECT_EQ(num_frames, decoder->frames_read());
// Decoder should not have output anything if input is corrupt.
EXPECT_EQ(0, decoder->frames_decoded());
EXPECT_EQ(0, renderer->count());
}
FilePath GetBearVideoFilePath(const std::string& file_name) {
FilePath path;
PathService::Get(base::DIR_SOURCE_ROOT, &path);
path = path.AppendASCII("media")
.AppendASCII("test")
.AppendASCII("data")
.AppendASCII(file_name.c_str());
return path;
}
// Decodes media/test/data/bear.1280x720.mp4 which is expected to be a valid
// H.264 video.
TEST_F(MftH264DecoderTest, DecodeValidVideoDxva) {
MessageLoop loop;
FilePath path = GetBearVideoFilePath("bear.1280x720.mp4");
ASSERT_TRUE(file_util::PathExists(path));
ScopedComPtr<IDirect3D9> d3d9;
ScopedComPtr<IDirect3DDevice9> device;
ScopedComPtr<IDirect3DDeviceManager9> dev_manager;
dev_manager.Attach(CreateD3DDevManager(GetDesktopWindow(),
d3d9.Receive(),
device.Receive()));
ASSERT_TRUE(dev_manager.get() != NULL);
scoped_refptr<MftH264Decoder> decoder(new MftH264Decoder(true));
ASSERT_TRUE(decoder.get() != NULL);
FFmpegFileReader reader(WideToASCII(path.value()));
ASSERT_TRUE(reader.Initialize());
scoped_refptr<FakeMftRenderer> renderer(new FakeMftRenderer(decoder));
ASSERT_TRUE(decoder->Init(dev_manager.get(), 0, 0, 111, 222, 0, 0,
NewCallback(&reader, &FFmpegFileReader::Read2),
NewCallback(renderer.get(),
&FakeMftRenderer::WriteCallback)));
MessageLoop::current()->PostTask(
FROM_HERE,
NewRunnableMethod(renderer.get(), &FakeMftRenderer::Start));
MessageLoop::current()->Run();
// If the video is valid, then it should output frames. However, for some
// videos, the number of frames decoded is one-off.
EXPECT_EQ(82, decoder->frames_read());
EXPECT_LE(decoder->frames_read() - decoder->frames_decoded(), 1);
}
} // namespace media
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