shaka-packager/media/formats/wvm/wvm_media_parser_unittest.cc

134 lines
3.9 KiB
C++

// 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 <gtest/gtest.h>
#include <algorithm>
#include <string>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "media/base/media_sample.h"
#include "media/base/stream_info.h"
#include "media/base/timestamp.h"
#include "media/base/video_stream_info.h"
#include "media/formats/wvm/wvm_media_parser.h"
#include "media/test/test_data_util.h"
namespace {
const char kClearWvmFile[] = "hb2_4stream_clear.wvm";
// Constants associated with kClearWvmFile follows.
const uint32 kExpectedStreams = 4;
const int kExpectedVideoFrameCount = 6665;
const int kExpectedAudioFrameCount = 11964;
}
namespace media {
namespace wvm {
class WvmMediaParserTest : public testing::Test {
public:
WvmMediaParserTest()
: audio_frame_count_(0),
video_frame_count_(0),
video_max_dts_(kNoTimestamp),
current_track_id_(-1) {
parser_.reset(new WvmMediaParser());
}
protected:
typedef std::map<int, scoped_refptr<StreamInfo> > StreamMap;
scoped_ptr<WvmMediaParser> parser_;
StreamMap stream_map_;
int audio_frame_count_;
int video_frame_count_;
int64 video_max_dts_;
uint32 current_track_id_;
void OnInit(const std::vector<scoped_refptr<StreamInfo> >& stream_infos) {
DVLOG(1) << "OnInit: " << stream_infos.size() << " streams.";
for (std::vector<scoped_refptr<StreamInfo> >::const_iterator iter =
stream_infos.begin(); iter != stream_infos.end(); ++iter) {
DVLOG(1) << (*iter)->ToString();
stream_map_[(*iter)->track_id()] = *iter;
}
}
bool OnNewSample(uint32 track_id, const scoped_refptr<MediaSample>& sample) {
std::string stream_type;
if (track_id != current_track_id_) {
// onto next track.
video_max_dts_ = kNoTimestamp;
current_track_id_ = track_id;
}
StreamMap::const_iterator stream = stream_map_.find(track_id);
if (stream != stream_map_.end()) {
if (stream->second->stream_type() == kStreamAudio) {
++audio_frame_count_;
stream_type = "audio";
} else if (stream->second->stream_type() == kStreamVideo) {
++video_frame_count_;
stream_type = "video";
// Verify timestamps are increasing.
if (video_max_dts_ == kNoTimestamp) {
video_max_dts_ = sample->dts();
} else if (video_max_dts_ >= sample->dts()) {
LOG(ERROR) << "Video DTS not strictly increasing for track = "
<< track_id << ", video max dts = "
<< video_max_dts_ << ", sample dts = "
<< sample->dts();
return false;
}
video_max_dts_ = sample->dts();
} else {
LOG(ERROR) << "Missing StreamInfo for track ID " << track_id;
return false;
}
}
return true;
}
void InitializeParser() {
parser_->Init(
base::Bind(&WvmMediaParserTest::OnInit,
base::Unretained(this)),
base::Bind(&WvmMediaParserTest::OnNewSample,
base::Unretained(this)),
NULL);
}
void Parse(const std::string& filename) {
InitializeParser();
std::vector<uint8> buffer = ReadTestDataFile(filename);
EXPECT_TRUE(parser_->Parse(buffer.data(), buffer.size()));
}
};
TEST_F(WvmMediaParserTest, ParseClear) {
Parse(kClearWvmFile);
}
TEST_F(WvmMediaParserTest, StreamCount) {
Parse(kClearWvmFile);
EXPECT_EQ(kExpectedStreams, stream_map_.size());
}
TEST_F(WvmMediaParserTest, VideoFrameCount) {
Parse(kClearWvmFile);
EXPECT_EQ(kExpectedVideoFrameCount, video_frame_count_);
}
TEST_F(WvmMediaParserTest, AudioFrameCount) {
Parse(kClearWvmFile);
EXPECT_EQ(kExpectedAudioFrameCount, audio_frame_count_);
}
} // namespace wvm
} // namespace media