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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 "base/callback.h"
#include "base/stl_util-inl.h"
#include "media/base/callback.h"
#include "media/base/data_buffer.h"
#include "media/base/limits.h"
#include "media/base/mock_filter_host.h"
#include "media/base/mock_filters.h"
#include "media/base/video_frame.h"
#include "media/filters/video_renderer_base.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::ReturnRef;
using ::testing::StrictMock;
namespace media {
ACTION(OnStop) {
AutoCallbackRunner auto_runner(arg0);
}
// Mocked subclass of VideoRendererBase for testing purposes.
class MockVideoRendererBase : public VideoRendererBase {
public:
MockVideoRendererBase() {}
virtual ~MockVideoRendererBase() {}
// VideoRendererBase implementation.
MOCK_METHOD1(OnInitialize, bool(VideoDecoder* decoder));
MOCK_METHOD1(OnStop, void(FilterCallback* callback));
MOCK_METHOD0(OnFrameAvailable, void());
// Used for verifying check points during tests.
MOCK_METHOD1(CheckPoint, void(int id));
private:
DISALLOW_COPY_AND_ASSIGN(MockVideoRendererBase);
};
class VideoRendererBaseTest : public ::testing::Test {
public:
VideoRendererBaseTest()
: renderer_(new MockVideoRendererBase()),
decoder_(new MockVideoDecoder()) {
renderer_->set_host(&host_);
// Queue all reads from the decoder.
EXPECT_CALL(*decoder_, ProduceVideoFrame(_))
.WillRepeatedly(Invoke(this, &VideoRendererBaseTest::EnqueueCallback));
// Sets the essential media format keys for this decoder.
decoder_media_format_.SetAsString(MediaFormat::kMimeType,
mime_type::kUncompressedVideo);
decoder_media_format_.SetAsInteger(MediaFormat::kSurfaceType,
VideoFrame::TYPE_SYSTEM_MEMORY);
decoder_media_format_.SetAsInteger(MediaFormat::kSurfaceFormat,
VideoFrame::YV12);
decoder_media_format_.SetAsInteger(MediaFormat::kWidth, kWidth);
decoder_media_format_.SetAsInteger(MediaFormat::kHeight, kHeight);
EXPECT_CALL(*decoder_, media_format())
.WillRepeatedly(ReturnRef(decoder_media_format_));
}
virtual ~VideoRendererBaseTest() {
read_queue_.clear();
// Expect a call into the subclass.
EXPECT_CALL(*renderer_, OnStop(NotNull()))
.WillOnce(DoAll(OnStop(), Return()))
.RetiresOnSaturation();
EXPECT_CALL(callback_, OnFilterCallback());
EXPECT_CALL(callback_, OnCallbackDestroyed());
renderer_->Stop(callback_.NewCallback());
}
protected:
static const size_t kWidth;
static const size_t kHeight;
// Fixture members.
scoped_refptr<MockVideoRendererBase> renderer_;
scoped_refptr<MockVideoDecoder> decoder_;
StrictMock<MockFilterHost> host_;
StrictMock<MockFilterCallback> callback_;
MediaFormat decoder_media_format_;
// Receives all the buffers that renderer had provided to |decoder_|.
std::deque<scoped_refptr<VideoFrame> > read_queue_;
private:
void EnqueueCallback(scoped_refptr<VideoFrame> frame) {
read_queue_.push_back(frame);
}
DISALLOW_COPY_AND_ASSIGN(VideoRendererBaseTest);
};
const size_t VideoRendererBaseTest::kWidth = 16u;
const size_t VideoRendererBaseTest::kHeight = 16u;
// Test initialization where the decoder's media format is malformed.
TEST_F(VideoRendererBaseTest, Initialize_BadMediaFormat) {
InSequence s;
// Don't set a media format.
MediaFormat media_format;
scoped_refptr<MockVideoDecoder> bad_decoder(new MockVideoDecoder());
EXPECT_CALL(*bad_decoder, media_format())
.WillRepeatedly(ReturnRef(media_format));
// We expect to receive an error.
EXPECT_CALL(host_, SetError(PIPELINE_ERROR_INITIALIZATION_FAILED));
// We expect our callback to be executed.
EXPECT_CALL(callback_, OnFilterCallback());
EXPECT_CALL(callback_, OnCallbackDestroyed());
// Initialize, we expect to have no reads.
renderer_->Initialize(bad_decoder, callback_.NewCallback());
EXPECT_EQ(0u, read_queue_.size());
}
// Test initialization where the subclass failed for some reason.
TEST_F(VideoRendererBaseTest, Initialize_Failed) {
InSequence s;
// We expect the video size to be set.
EXPECT_CALL(host_, SetVideoSize(kWidth, kHeight));
// Our subclass will fail when asked to initialize.
EXPECT_CALL(*renderer_, OnInitialize(_))
.WillOnce(Return(false));
// We expect to receive an error.
EXPECT_CALL(host_, SetError(PIPELINE_ERROR_INITIALIZATION_FAILED));
// We expect our callback to be executed.
EXPECT_CALL(callback_, OnFilterCallback());
EXPECT_CALL(callback_, OnCallbackDestroyed());
// Initialize, we expect to have no reads.
renderer_->Initialize(decoder_, callback_.NewCallback());
EXPECT_EQ(0u, read_queue_.size());
}
// Test successful initialization and preroll.
TEST_F(VideoRendererBaseTest, Initialize_Successful) {
// Who knows how many times ThreadMain() will execute!
//
// TODO(scherkus): really, really, really need to inject a thread into
// VideoRendererBase... it makes mocking much harder.
EXPECT_CALL(host_, GetTime()).WillRepeatedly(Return(base::TimeDelta()));
// Expects the video renderer to get duration from the host.
EXPECT_CALL(host_, GetDuration())
.WillRepeatedly(Return(base::TimeDelta()));
InSequence s;
// We expect the video size to be set.
EXPECT_CALL(host_, SetVideoSize(kWidth, kHeight));
// Then our subclass will be asked to initialize.
EXPECT_CALL(*renderer_, OnInitialize(_))
.WillOnce(Return(true));
// After finishing initialization, we expect our callback to be executed.
EXPECT_CALL(callback_, OnFilterCallback());
EXPECT_CALL(callback_, OnCallbackDestroyed());
// Initialize, we shouldn't have any reads.
renderer_->Initialize(decoder_, callback_.NewCallback());
EXPECT_EQ(0u, read_queue_.size());
// Verify the following expectations haven't run until we complete the reads.
EXPECT_CALL(*renderer_, CheckPoint(0));
// We'll expect to get notified once due preroll completing.
EXPECT_CALL(*renderer_, OnFrameAvailable());
MockFilterCallback seek_callback;
EXPECT_CALL(seek_callback, OnFilterCallback());
EXPECT_CALL(seek_callback, OnCallbackDestroyed());
// Now seek to trigger prerolling.
renderer_->Seek(base::TimeDelta(), seek_callback.NewCallback());
// Verify our seek callback hasn't been executed yet.
renderer_->CheckPoint(0);
// Now satisfy the read requests. Our callback should be executed after
// exiting this loop.
for (unsigned int i = 0; i < Limits::kMaxVideoFrames; i++) {
const base::TimeDelta kZero;
scoped_refptr<VideoFrame> frame;
VideoFrame::CreateFrame(VideoFrame::RGB32, kWidth, kHeight, kZero,
kZero, &frame);
decoder_->VideoFrameReady(frame);
}
MockFilterCallback play_callback;
EXPECT_CALL(play_callback, OnFilterCallback());
EXPECT_CALL(play_callback, OnCallbackDestroyed());
renderer_->Play(play_callback.NewCallback());
StrictMock<MockFilterCallback> pause_callback;
EXPECT_CALL(pause_callback, OnFilterCallback());
EXPECT_CALL(pause_callback, OnCallbackDestroyed());
renderer_->Pause(pause_callback.NewCallback());
EXPECT_CALL(*decoder_, ProvidesBuffer())
.WillRepeatedly(Return(true));
StrictMock<MockFilterCallback> flush_callback;
EXPECT_CALL(flush_callback, OnFilterCallback());
EXPECT_CALL(flush_callback, OnCallbackDestroyed());
renderer_->Flush(flush_callback.NewCallback());
}
} // namespace media
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