Merge "MediaTesting: Add Extractor Unit Test" am: dd8a4a8a77 am: a072553e09 am: 1228e2ad18 (fd6abf57) · Commits · e / os / android_frameworks_av

media/extractors/tests/Android.bp

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		/*
		* Copyright (C) 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		cc_test {
		name: "ExtractorUnitTest",
		gtest: true,

		srcs: ["ExtractorUnitTest.cpp"],

		static_libs: [
		"libaacextractor",
		"libamrextractor",
		"libmp3extractor",
		"libwavextractor",
		"liboggextractor",
		"libflacextractor",
		"libmidiextractor",
		"libmkvextractor",
		"libmpeg2extractor",
		"libmp4extractor",
		"libaudioutils",
		"libdatasource",

		"libstagefright",
		"libstagefright_id3",
		"libstagefright_flacdec",
		"libstagefright_esds",
		"libstagefright_mpeg2support",
		"libstagefright_mpeg2extractor",
		"libstagefright_foundation",
		"libstagefright_metadatautils",

		"libmedia_midiiowrapper",
		"libsonivox",
		"libvorbisidec",
		"libwebm",
		"libFLAC",
		],

		shared_libs: [
		"android.hardware.cas@1.0",
		"android.hardware.cas.native@1.0",
		"android.hidl.token@1.0-utils",
		"android.hidl.allocator@1.0",
		"libbinder",
		"libbinder_ndk",
		"libutils",
		"liblog",
		"libcutils",
		"libmediandk",
		"libmedia",
		"libcrypto",
		"libhidlmemory",
		"libhidlbase",
		],

		include_dirs: [
		"frameworks/av/media/extractors/",
		"frameworks/av/media/libstagefright/",
		],

		compile_multilib: "first",

		cflags: [
		"-Werror",
		"-Wall",
		],

		ldflags: [
		"-Wl",
		"-Bsymbolic",
		// to ignore duplicate symbol: GETEXTRACTORDEF
		"-z muldefs",
		],

		sanitize: {
		cfi: true,
		misc_undefined: [
		"unsigned-integer-overflow",
		"signed-integer-overflow",
		],
		},
		}

media/extractors/tests/ExtractorUnitTest.cpp

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		/*
		* Copyright (C) 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "ExtractorUnitTest"
		#include <utils/Log.h>

		#include <datasource/FileSource.h>
		#include <media/stagefright/MediaBufferGroup.h>
		#include <media/stagefright/MediaDefs.h>
		#include <media/stagefright/MetaDataUtils.h>

		#include "aac/AACExtractor.h"
		#include "amr/AMRExtractor.h"
		#include "flac/FLACExtractor.h"
		#include "midi/MidiExtractor.h"
		#include "mkv/MatroskaExtractor.h"
		#include "mp3/MP3Extractor.h"
		#include "mp4/MPEG4Extractor.h"
		#include "mp4/SampleTable.h"
		#include "mpeg2/MPEG2PSExtractor.h"
		#include "mpeg2/MPEG2TSExtractor.h"
		#include "ogg/OggExtractor.h"
		#include "wav/WAVExtractor.h"

		#include "ExtractorUnitTestEnvironment.h"

		using namespace android;

		#define OUTPUT_DUMP_FILE "/data/local/tmp/extractorOutput"

		constexpr int32_t kMaxCount = 10;
		constexpr int32_t kOpusSeekPreRollUs = 80000; // 80 ms;

		static ExtractorUnitTestEnvironment *gEnv = nullptr;

		class ExtractorUnitTest : public ::testing::TestWithParam<pair<string, string>> {
		public:
		ExtractorUnitTest() : mInputFp(nullptr), mDataSource(nullptr), mExtractor(nullptr) {}

		~ExtractorUnitTest() {
		if (mInputFp) {
		fclose(mInputFp);
		mInputFp = nullptr;
		}
		if (mDataSource) {
		mDataSource.clear();
		mDataSource = nullptr;
		}
		if (mExtractor) {
		delete mExtractor;
		mExtractor = nullptr;
		}
		}

		virtual void SetUp() override {
		mExtractorName = unknown_comp;
		mDisableTest = false;

		static const std::map<std::string, standardExtractors> mapExtractor = {
		{"aac", AAC}, {"amr", AMR}, {"mp3", MP3}, {"ogg", OGG},
		{"wav", WAV}, {"mkv", MKV}, {"flac", FLAC}, {"midi", MIDI},
		{"mpeg4", MPEG4}, {"mpeg2ts", MPEG2TS}, {"mpeg2ps", MPEG2PS}};
		// Find the component type
		string writerFormat = GetParam().first;
		if (mapExtractor.find(writerFormat) != mapExtractor.end()) {
		mExtractorName = mapExtractor.at(writerFormat);
		}
		if (mExtractorName == standardExtractors::unknown_comp) {
		cout << "[ WARN ] Test Skipped. Invalid extractor\n";
		mDisableTest = true;
		}
		}

		int32_t setDataSource(string inputFileName);

		int32_t createExtractor();

		enum standardExtractors {
		AAC,
		AMR,
		FLAC,
		MIDI,
		MKV,
		MP3,
		MPEG4,
		MPEG2PS,
		MPEG2TS,
		OGG,
		WAV,
		unknown_comp,
		};

		bool mDisableTest;
		standardExtractors mExtractorName;

		FILE *mInputFp;
		sp<DataSource> mDataSource;
		MediaExtractorPluginHelper *mExtractor;
		};

		int32_t ExtractorUnitTest::setDataSource(string inputFileName) {
		mInputFp = fopen(inputFileName.c_str(), "rb");
		if (!mInputFp) {
		ALOGE("Unable to open input file for reading");
		return -1;
		}
		struct stat buf;
		stat(inputFileName.c_str(), &buf);
		int32_t fd = fileno(mInputFp);
		mDataSource = new FileSource(dup(fd), 0, buf.st_size);
		if (!mDataSource) return -1;
		return 0;
		}

		int32_t ExtractorUnitTest::createExtractor() {
		switch (mExtractorName) {
		case AAC:
		mExtractor = new AACExtractor(new DataSourceHelper(mDataSource->wrap()), 0);
		break;
		case AMR:
		mExtractor = new AMRExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case MP3:
		mExtractor = new MP3Extractor(new DataSourceHelper(mDataSource->wrap()), nullptr);
		break;
		case OGG:
		mExtractor = new OggExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case WAV:
		mExtractor = new WAVExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case MKV:
		mExtractor = new MatroskaExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case FLAC:
		mExtractor = new FLACExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case MPEG4:
		mExtractor = new MPEG4Extractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case MPEG2TS:
		mExtractor = new MPEG2TSExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case MPEG2PS:
		mExtractor = new MPEG2PSExtractor(new DataSourceHelper(mDataSource->wrap()));
		break;
		case MIDI:
		mExtractor = new MidiExtractor(mDataSource->wrap());
		break;
		default:
		return -1;
		}
		if (!mExtractor) return -1;
		return 0;
		}

		void getSeekablePoints(vector<int64_t> &seekablePoints, MediaTrackHelper *track) {
		int32_t status = 0;
		if (!seekablePoints.empty()) {
		seekablePoints.clear();
		}
		int64_t timeStamp;
		while (status != AMEDIA_ERROR_END_OF_STREAM) {
		MediaBufferHelper *buffer = nullptr;
		status = track->read(&buffer);
		if (buffer) {
		AMediaFormat *metaData = buffer->meta_data();
		int32_t isSync = 0;
		AMediaFormat_getInt32(metaData, AMEDIAFORMAT_KEY_IS_SYNC_FRAME, &isSync);
		if (isSync) {
		AMediaFormat_getInt64(metaData, AMEDIAFORMAT_KEY_TIME_US, &timeStamp);
		seekablePoints.push_back(timeStamp);
		}
		buffer->release();
		}
		}
		}

		TEST_P(ExtractorUnitTest, CreateExtractorTest) {
		if (mDisableTest) return;

		ALOGV("Checks if a valid extractor is created for a given input file");
		string inputFileName = gEnv->getRes() + GetParam().second;

		ASSERT_EQ(setDataSource(inputFileName), 0)
		<< "SetDataSource failed for" << GetParam().first << "extractor";

		ASSERT_EQ(createExtractor(), 0)
		<< "Extractor creation failed for" << GetParam().first << "extractor";

		// A valid extractor instace should return success for following calls
		ASSERT_GT(mExtractor->countTracks(), 0);

		AMediaFormat *format = AMediaFormat_new();
		ASSERT_NE(format, nullptr) << "AMediaFormat_new returned null AMediaformat";

		ASSERT_EQ(mExtractor->getMetaData(format), AMEDIA_OK);
		AMediaFormat_delete(format);
		}

		TEST_P(ExtractorUnitTest, ExtractorTest) {
		if (mDisableTest) return;

		ALOGV("Validates %s Extractor for a given input file", GetParam().first.c_str());
		string inputFileName = gEnv->getRes() + GetParam().second;

		int32_t status = setDataSource(inputFileName);
		ASSERT_EQ(status, 0) << "SetDataSource failed for" << GetParam().first << "extractor";

		status = createExtractor();
		ASSERT_EQ(status, 0) << "Extractor creation failed for" << GetParam().first << "extractor";

		int32_t numTracks = mExtractor->countTracks();
		ASSERT_GT(numTracks, 0) << "Extractor didn't find any track for the given clip";

		for (int32_t idx = 0; idx < numTracks; idx++) {
		MediaTrackHelper *track = mExtractor->getTrack(idx);
		ASSERT_NE(track, nullptr) << "Failed to get track for index " << idx;

		CMediaTrack *cTrack = wrap(track);
		ASSERT_NE(cTrack, nullptr) << "Failed to get track wrapper for index " << idx;

		MediaBufferGroup *bufferGroup = new MediaBufferGroup();
		status = cTrack->start(track, bufferGroup->wrap());
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to start the track";

		FILE *outFp = fopen((OUTPUT_DUMP_FILE + to_string(idx)).c_str(), "wb");
		if (!outFp) {
		ALOGW("Unable to open output file for dumping extracted stream");
		}

		while (status != AMEDIA_ERROR_END_OF_STREAM) {
		MediaBufferHelper *buffer = nullptr;
		status = track->read(&buffer);
		ALOGV("track->read Status = %d buffer %p", status, buffer);
		if (buffer) {
		ALOGV("buffer->data %p buffer->size() %zu buffer->range_length() %zu",
		buffer->data(), buffer->size(), buffer->range_length());
		if (outFp) fwrite(buffer->data(), 1, buffer->range_length(), outFp);
		buffer->release();
		}
		}
		if (outFp) fclose(outFp);
		status = cTrack->stop(track);
		ASSERT_EQ(OK, status) << "Failed to stop the track";
		delete bufferGroup;
		delete track;
		}
		}

		TEST_P(ExtractorUnitTest, MetaDataComparisonTest) {
		if (mDisableTest) return;

		ALOGV("Validates Extractor's meta data for a given input file");
		string inputFileName = gEnv->getRes() + GetParam().second;

		int32_t status = setDataSource(inputFileName);
		ASSERT_EQ(status, 0) << "SetDataSource failed for" << GetParam().first << "extractor";

		status = createExtractor();
		ASSERT_EQ(status, 0) << "Extractor creation failed for" << GetParam().first << "extractor";

		int32_t numTracks = mExtractor->countTracks();
		ASSERT_GT(numTracks, 0) << "Extractor didn't find any track for the given clip";

		AMediaFormat *extractorFormat = AMediaFormat_new();
		ASSERT_NE(extractorFormat, nullptr) << "AMediaFormat_new returned null AMediaformat";
		AMediaFormat *trackFormat = AMediaFormat_new();
		ASSERT_NE(trackFormat, nullptr) << "AMediaFormat_new returned null AMediaformat";

		for (int32_t idx = 0; idx < numTracks; idx++) {
		MediaTrackHelper *track = mExtractor->getTrack(idx);
		ASSERT_NE(track, nullptr) << "Failed to get track for index " << idx;

		CMediaTrack *cTrack = wrap(track);
		ASSERT_NE(cTrack, nullptr) << "Failed to get track wrapper for index " << idx;

		MediaBufferGroup *bufferGroup = new MediaBufferGroup();
		status = cTrack->start(track, bufferGroup->wrap());
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to start the track";

		status = mExtractor->getTrackMetaData(extractorFormat, idx, 1);
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to get trackMetaData";

		status = track->getFormat(trackFormat);
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to get track meta data";

		const char extractorMime, trackMime;
		AMediaFormat_getString(extractorFormat, AMEDIAFORMAT_KEY_MIME, &extractorMime);
		AMediaFormat_getString(trackFormat, AMEDIAFORMAT_KEY_MIME, &trackMime);
		ASSERT_TRUE(!strcmp(extractorMime, trackMime))
		<< "Extractor's format doesn't match track format";

		if (!strncmp(extractorMime, "audio/", 6)) {
		int32_t exSampleRate, exChannelCount;
		int32_t trackSampleRate, trackChannelCount;
		ASSERT_TRUE(AMediaFormat_getInt32(extractorFormat, AMEDIAFORMAT_KEY_CHANNEL_COUNT,
		&exChannelCount));
		ASSERT_TRUE(AMediaFormat_getInt32(extractorFormat, AMEDIAFORMAT_KEY_SAMPLE_RATE,
		&exSampleRate));
		ASSERT_TRUE(AMediaFormat_getInt32(trackFormat, AMEDIAFORMAT_KEY_CHANNEL_COUNT,
		&trackChannelCount));
		ASSERT_TRUE(AMediaFormat_getInt32(trackFormat, AMEDIAFORMAT_KEY_SAMPLE_RATE,
		&trackSampleRate));
		ASSERT_EQ(exChannelCount, trackChannelCount) << "ChannelCount not as expected";
		ASSERT_EQ(exSampleRate, trackSampleRate) << "SampleRate not as expected";
		} else {
		int32_t exWidth, exHeight;
		int32_t trackWidth, trackHeight;
		ASSERT_TRUE(AMediaFormat_getInt32(extractorFormat, AMEDIAFORMAT_KEY_WIDTH, &exWidth));
		ASSERT_TRUE(AMediaFormat_getInt32(extractorFormat, AMEDIAFORMAT_KEY_HEIGHT, &exHeight));
		ASSERT_TRUE(AMediaFormat_getInt32(trackFormat, AMEDIAFORMAT_KEY_WIDTH, &trackWidth));
		ASSERT_TRUE(AMediaFormat_getInt32(trackFormat, AMEDIAFORMAT_KEY_HEIGHT, &trackHeight));
		ASSERT_EQ(exWidth, trackWidth) << "Width not as expected";
		ASSERT_EQ(exHeight, trackHeight) << "Height not as expected";
		}
		status = cTrack->stop(track);
		ASSERT_EQ(OK, status) << "Failed to stop the track";
		delete bufferGroup;
		delete track;
		}
		AMediaFormat_delete(trackFormat);
		AMediaFormat_delete(extractorFormat);
		}

		TEST_P(ExtractorUnitTest, MultipleStartStopTest) {
		if (mDisableTest) return;

		ALOGV("Test %s extractor for multiple start and stop calls", GetParam().first.c_str());
		string inputFileName = gEnv->getRes() + GetParam().second;

		int32_t status = setDataSource(inputFileName);
		ASSERT_EQ(status, 0) << "SetDataSource failed for" << GetParam().first << "extractor";

		status = createExtractor();
		ASSERT_EQ(status, 0) << "Extractor creation failed for" << GetParam().first << "extractor";

		int32_t numTracks = mExtractor->countTracks();
		ASSERT_GT(numTracks, 0) << "Extractor didn't find any track for the given clip";

		// start/stop the tracks multiple times
		for (int32_t count = 0; count < kMaxCount; count++) {
		for (int32_t idx = 0; idx < numTracks; idx++) {
		MediaTrackHelper *track = mExtractor->getTrack(idx);
		ASSERT_NE(track, nullptr) << "Failed to get track for index " << idx;

		CMediaTrack *cTrack = wrap(track);
		ASSERT_NE(cTrack, nullptr) << "Failed to get track wrapper for index " << idx;

		MediaBufferGroup *bufferGroup = new MediaBufferGroup();
		status = cTrack->start(track, bufferGroup->wrap());
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to start the track";
		MediaBufferHelper *buffer = nullptr;
		status = track->read(&buffer);
		if (buffer) {
		ALOGV("buffer->data %p buffer->size() %zu buffer->range_length() %zu",
		buffer->data(), buffer->size(), buffer->range_length());
		buffer->release();
		}
		status = cTrack->stop(track);
		ASSERT_EQ(OK, status) << "Failed to stop the track";
		delete bufferGroup;
		delete track;
		}
		}
		}

		TEST_P(ExtractorUnitTest, SeekTest) {
		// Both Flac and Wav extractor can give samples from any pts and mark the given sample as
		// sync frame. So, this seek test is not applicable to FLAC and WAV extractors
		if (mDisableTest \|\| mExtractorName == FLAC \|\| mExtractorName == WAV) return;

		ALOGV("Validates %s Extractor behaviour for different seek modes", GetParam().first.c_str());
		string inputFileName = gEnv->getRes() + GetParam().second;

		int32_t status = setDataSource(inputFileName);
		ASSERT_EQ(status, 0) << "SetDataSource failed for" << GetParam().first << "extractor";

		status = createExtractor();
		ASSERT_EQ(status, 0) << "Extractor creation failed for" << GetParam().first << "extractor";

		int32_t numTracks = mExtractor->countTracks();
		ASSERT_GT(numTracks, 0) << "Extractor didn't find any track for the given clip";

		uint32_t seekFlag = mExtractor->flags();
		if (!(seekFlag & MediaExtractorPluginHelper::CAN_SEEK)) {
		cout << "[ WARN ] Test Skipped. " << GetParam().first
		<< " Extractor doesn't support seek\n";
		return;
		}

		vector<int64_t> seekablePoints;
		for (int32_t idx = 0; idx < numTracks; idx++) {
		MediaTrackHelper *track = mExtractor->getTrack(idx);
		ASSERT_NE(track, nullptr) << "Failed to get track for index " << idx;

		CMediaTrack *cTrack = wrap(track);
		ASSERT_NE(cTrack, nullptr) << "Failed to get track wrapper for index " << idx;

		// Get all the seekable points of a given input
		MediaBufferGroup *bufferGroup = new MediaBufferGroup();
		status = cTrack->start(track, bufferGroup->wrap());
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to start the track";
		getSeekablePoints(seekablePoints, track);
		ASSERT_GT(seekablePoints.size(), 0)
		<< "Failed to get seekable points for " << GetParam().first << " extractor";

		AMediaFormat *trackFormat = AMediaFormat_new();
		ASSERT_NE(trackFormat, nullptr) << "AMediaFormat_new returned null format";
		status = track->getFormat(trackFormat);
		ASSERT_EQ(OK, (media_status_t)status) << "Failed to get track meta data";

		bool isOpus = false;
		const char *mime;
		AMediaFormat_getString(trackFormat, AMEDIAFORMAT_KEY_MIME, &mime);
		if (!strcmp(mime, "audio/opus")) isOpus = true;
		AMediaFormat_delete(trackFormat);

		int32_t seekIdx = 0;
		size_t seekablePointsSize = seekablePoints.size();
		for (int32_t mode = CMediaTrackReadOptions::SEEK_PREVIOUS_SYNC;
		mode <= CMediaTrackReadOptions::SEEK_CLOSEST; mode++) {
		for (int32_t seekCount = 0; seekCount < kMaxCount; seekCount++) {
		seekIdx = rand() % seekablePointsSize + 1;
		if (seekIdx >= seekablePointsSize) seekIdx = seekablePointsSize - 1;

		int64_t seekToTimeStamp = seekablePoints[seekIdx];
		if (seekablePointsSize > 1) {
		int64_t prevTimeStamp = seekablePoints[seekIdx - 1];
		seekToTimeStamp = seekToTimeStamp - ((seekToTimeStamp - prevTimeStamp) >> 3);
		}

		// Opus has a seekPreRollUs. TimeStamp returned by the
		// extractor is calculated based on (seekPts - seekPreRollUs).
		// So we add the preRoll value to the timeStamp we want to seek to.
		if (isOpus) {
		seekToTimeStamp += kOpusSeekPreRollUs;
		}

		MediaTrackHelper::ReadOptions *options = new MediaTrackHelper::ReadOptions(
		mode \| CMediaTrackReadOptions::SEEK, seekToTimeStamp);
		ASSERT_NE(options, nullptr) << "Cannot create read option";

		MediaBufferHelper *buffer = nullptr;
		status = track->read(&buffer, options);
		if (status == AMEDIA_ERROR_END_OF_STREAM) {
		delete options;
		continue;
		}
		if (buffer) {
		AMediaFormat *metaData = buffer->meta_data();
		int64_t timeStamp;
		AMediaFormat_getInt64(metaData, AMEDIAFORMAT_KEY_TIME_US, &timeStamp);
		buffer->release();

		// CMediaTrackReadOptions::SEEK is 8. Using mask 0111b to get true modes
		switch (mode & 0x7) {
		case CMediaTrackReadOptions::SEEK_PREVIOUS_SYNC:
		if (seekablePointsSize == 1) {
		EXPECT_EQ(timeStamp, seekablePoints[seekIdx]);
		} else {
		EXPECT_EQ(timeStamp, seekablePoints[seekIdx - 1]);
		}
		break;
		case CMediaTrackReadOptions::SEEK_NEXT_SYNC:
		case CMediaTrackReadOptions::SEEK_CLOSEST_SYNC:
		case CMediaTrackReadOptions::SEEK_CLOSEST:
		EXPECT_EQ(timeStamp, seekablePoints[seekIdx]);
		break;
		default:
		break;
		}
		}
		delete options;
		}
		}
		status = cTrack->stop(track);
		ASSERT_EQ(OK, status) << "Failed to stop the track";
		delete bufferGroup;
		delete track;
		}
		seekablePoints.clear();
		}

		// TODO: (b/145332185)
		// Add MIDI inputs
		INSTANTIATE_TEST_SUITE_P(ExtractorUnitTestAll, ExtractorUnitTest,
		::testing::Values(make_pair("aac", "loudsoftaac.aac"),
		make_pair("amr", "testamr.amr"),
		make_pair("amr", "amrwb.wav"),
		make_pair("ogg", "john_cage.ogg"),
		make_pair("wav", "monotestgsm.wav"),
		make_pair("mpeg2ts", "segment000001.ts"),
		make_pair("flac", "sinesweepflac.flac"),
		make_pair("ogg", "testopus.opus"),
		make_pair("mkv", "sinesweepvorbis.mkv"),
		make_pair("mpeg4", "sinesweepoggmp4.mp4"),
		make_pair("mp3", "sinesweepmp3lame.mp3"),
		make_pair("mkv", "swirl_144x136_vp9.webm"),
		make_pair("mkv", "swirl_144x136_vp8.webm"),
		make_pair("mpeg2ps", "swirl_144x136_mpeg2.mpg"),
		make_pair("mpeg4", "swirl_132x130_mpeg4.mp4")));

		int main(int argc, char **argv) {
		gEnv = new ExtractorUnitTestEnvironment();
		::testing::AddGlobalTestEnvironment(gEnv);
		::testing::InitGoogleTest(&argc, argv);
		int status = gEnv->initFromOptions(argc, argv);
		if (status == 0) {
		status = RUN_ALL_TESTS();
		ALOGV("Test result = %d\n", status);
		}
		return status;
		}