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// Copyright (c) 2006-2009 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 <string>
#include "base/waitable_event.h"
#include "media/base/pipeline_impl.h"
#include "media/base/media_format.h"
#include "media/base/filters.h"
#include "media/base/factory.h"
#include "media/base/filter_host.h"
#include "media/base/mock_media_filters.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class PipelineImplTest : public testing::Test {
protected:
PipelineImplTest()
: initialize_result_(false),
seek_result_(false),
initialize_event_(false, false),
seek_event_(false, false) {
}
virtual ~PipelineImplTest() {}
virtual void TearDown() {
// Force the pipeline to shut down its thread.
pipeline_.Stop();
}
// Called by tests after they have finished setting up MockFilterConfig.
// Initializes the pipeline and returns true if the initialization callback
// was executed, false otherwise.
bool InitializeAndWait() {
DCHECK(!filters_);
filters_ = new media::old_mocks::MockFilterFactory(&config_);
pipeline_.Start(filters_, "",
NewCallback(this, &PipelineImplTest::OnInitialize));
return initialize_event_.TimedWait(base::TimeDelta::FromMilliseconds(500));
}
// Issues a seek on the pipeline and returns true if the seek callback was
// executed, false otherwise.
bool SeekAndWait(const base::TimeDelta& time) {
pipeline_.Seek(time, NewCallback(this, &PipelineImplTest::OnSeek));
return seek_event_.TimedWait(base::TimeDelta::FromMilliseconds(500));
}
// Fixture members.
media::PipelineImpl pipeline_;
scoped_refptr<media::old_mocks::MockFilterFactory> filters_;
media::old_mocks::MockFilterConfig config_;
bool initialize_result_;
bool seek_result_;
private:
void OnInitialize(bool result) {
initialize_result_ = result;
initialize_event_.Signal();
}
void OnSeek(bool result) {
seek_result_ = result;
seek_event_.Signal();
}
// Used to wait for callbacks.
base::WaitableEvent initialize_event_;
base::WaitableEvent seek_event_;
DISALLOW_COPY_AND_ASSIGN(PipelineImplTest);
};
TEST_F(PipelineImplTest, NeverInitializes) {
config_.data_source_behavior = media::old_mocks::MOCK_DATA_SOURCE_NEVER_INIT;
// This test hangs during initialization by never calling
// InitializationComplete(). Make sure we tear down the pipeline properly.
ASSERT_FALSE(InitializeAndWait());
EXPECT_FALSE(initialize_result_);
EXPECT_FALSE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_OK, pipeline_.GetError());
}
TEST_F(PipelineImplTest, RequiredFilterMissing) {
config_.create_filter = false;
ASSERT_TRUE(InitializeAndWait());
EXPECT_FALSE(initialize_result_);
EXPECT_FALSE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_ERROR_REQUIRED_FILTER_MISSING,
pipeline_.GetError());
}
TEST_F(PipelineImplTest, URLNotFound) {
config_.data_source_behavior =
media::old_mocks::MOCK_DATA_SOURCE_URL_ERROR_IN_INIT;
ASSERT_TRUE(InitializeAndWait());
EXPECT_FALSE(initialize_result_);
EXPECT_FALSE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_ERROR_URL_NOT_FOUND, pipeline_.GetError());
}
TEST_F(PipelineImplTest, NoStreams) {
config_.has_audio = false;
config_.has_video = false;
ASSERT_TRUE(InitializeAndWait());
EXPECT_FALSE(initialize_result_);
EXPECT_FALSE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_ERROR_COULD_NOT_RENDER, pipeline_.GetError());
EXPECT_FALSE(filters_->audio_decoder());
EXPECT_FALSE(filters_->audio_renderer());
EXPECT_FALSE(filters_->video_decoder());
EXPECT_FALSE(filters_->video_renderer());
}
TEST_F(PipelineImplTest, AudioStream) {
config_.has_video = false;
ASSERT_TRUE(InitializeAndWait());
EXPECT_TRUE(initialize_result_);
EXPECT_TRUE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_OK, pipeline_.GetError());
size_t width, height;
pipeline_.GetVideoSize(&width, &height);
EXPECT_EQ(0u, width);
EXPECT_EQ(0u, height);
EXPECT_TRUE(pipeline_.IsRendered(media::mime_type::kMajorTypeAudio));
EXPECT_FALSE(pipeline_.IsRendered(media::mime_type::kMajorTypeVideo));
EXPECT_TRUE(filters_->audio_decoder());
EXPECT_TRUE(filters_->audio_renderer());
EXPECT_FALSE(filters_->video_decoder());
EXPECT_FALSE(filters_->video_renderer());
}
TEST_F(PipelineImplTest, VideoStream) {
config_.has_audio = false;
ASSERT_TRUE(InitializeAndWait());
EXPECT_TRUE(initialize_result_);
EXPECT_TRUE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_OK, pipeline_.GetError());
size_t width, height;
pipeline_.GetVideoSize(&width, &height);
EXPECT_EQ(config_.video_width, width);
EXPECT_EQ(config_.video_height, height);
EXPECT_FALSE(pipeline_.IsRendered(media::mime_type::kMajorTypeAudio));
EXPECT_TRUE(pipeline_.IsRendered(media::mime_type::kMajorTypeVideo));
EXPECT_FALSE(filters_->audio_decoder());
EXPECT_FALSE(filters_->audio_renderer());
EXPECT_TRUE(filters_->video_decoder());
EXPECT_TRUE(filters_->video_renderer());
}
TEST_F(PipelineImplTest, AudioVideoStream) {
ASSERT_TRUE(InitializeAndWait());
EXPECT_TRUE(initialize_result_);
EXPECT_TRUE(pipeline_.IsInitialized());
EXPECT_EQ(media::PIPELINE_OK, pipeline_.GetError());
size_t width, height;
pipeline_.GetVideoSize(&width, &height);
EXPECT_EQ(config_.video_width, width);
EXPECT_EQ(config_.video_height, height);
EXPECT_TRUE(pipeline_.IsRendered(media::mime_type::kMajorTypeAudio));
EXPECT_TRUE(pipeline_.IsRendered(media::mime_type::kMajorTypeVideo));
EXPECT_TRUE(filters_->audio_decoder());
EXPECT_TRUE(filters_->audio_renderer());
EXPECT_TRUE(filters_->video_decoder());
EXPECT_TRUE(filters_->video_renderer());
}
TEST_F(PipelineImplTest, Seek) {
ASSERT_TRUE(InitializeAndWait());
// Seek and verify callback returned true.
base::TimeDelta expected = base::TimeDelta::FromSeconds(2000);
EXPECT_TRUE(SeekAndWait(expected));
EXPECT_TRUE(seek_result_);
// Verify every filter received the seek.
// TODO(scherkus): implement whatever it takes so I can use EXPECT_EQ with
// base::TimeDelta.
EXPECT_TRUE(expected == filters_->data_source()->seek_time());
EXPECT_TRUE(expected == filters_->demuxer()->seek_time());
EXPECT_TRUE(expected == filters_->audio_decoder()->seek_time());
EXPECT_TRUE(expected == filters_->audio_renderer()->seek_time());
EXPECT_TRUE(expected == filters_->video_decoder()->seek_time());
EXPECT_TRUE(expected == filters_->video_renderer()->seek_time());
}
// Try to execute Start()/Stop() on the Pipeline many times and very fast. This
// test is trying to simulate the situation where the pipeline can get dead
// locked very easily by quickly calling Start()/Stop().
TEST_F(PipelineImplTest, StressTestPipelineStartStop) {
media::old_mocks::MockFilterConfig config;
const int kTimes = 1000;
for (int i = 0; i < kTimes; ++i) {
scoped_refptr<media::old_mocks::MockFilterFactory> factory =
new media::old_mocks::MockFilterFactory(&config);
media::PipelineImpl pipeline;
pipeline.Start(factory.get(), "", NULL);
pipeline.Stop();
}
}
// TODO(ralphl): Add a unit test that makes sure that the mock audio filter
// is actually called on a SetVolume() call to the pipeline. I almost checked
// in code that broke this, but all unit tests were passing.
} // namespace
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