am dfded35b: Merge "Added automated tests for reverb audio effect." into gingerbread (2db73305) · Commits · e / os / android_frameworks_base

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/MediaFrameworkTestRunner.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -27,7 +27,9 @@ import com.android.mediaframeworktest.functional.MediaPlayerInvokeTest;
		import com.android.mediaframeworktest.functional.MediaAudioManagerTest;
		import com.android.mediaframeworktest.functional.MediaAudioEffectTest;
		import com.android.mediaframeworktest.functional.MediaBassBoostTest;
		import com.android.mediaframeworktest.functional.MediaEnvReverbTest;
		import com.android.mediaframeworktest.functional.MediaEqualizerTest;
		import com.android.mediaframeworktest.functional.MediaPresetReverbTest;
		import com.android.mediaframeworktest.functional.MediaVirtualizerTest;
		import com.android.mediaframeworktest.functional.MediaVisualizerTest;
		import junit.framework.TestSuite;
		@@ -62,7 +64,9 @@ public class MediaFrameworkTestRunner extends InstrumentationTestRunner {
		suite.addTestSuite(MediaAudioManagerTest.class);
		suite.addTestSuite(MediaAudioEffectTest.class);
		suite.addTestSuite(MediaBassBoostTest.class);
		suite.addTestSuite(MediaEnvReverbTest.class);
		suite.addTestSuite(MediaEqualizerTest.class);
		suite.addTestSuite(MediaPresetReverbTest.class);
		suite.addTestSuite(MediaVirtualizerTest.class);
		suite.addTestSuite(MediaVisualizerTest.class);
		return suite;

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/EnergyProbe.java

0 → 100644

+106 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010 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.
		*/

		package com.android.mediaframeworktest.functional;

		import android.media.Visualizer;
		import android.util.Log;

		/**
		* The EnergyProbe class provides audio signal energy measurements based on the FFT returned
		* by the Visualizer class. The measure is qualitative and not quantitative in that the returned
		* value has no unit and is just proportional to the amount of energy present around the
		* specified frequency.
		*/

		public class EnergyProbe {
		private String TAG = "EnergyProbe";

		private static int CAPTURE_SIZE = 1024;
		private static int MEASURE_COUNT = 5;
		private static int AVERAGE_COUNT = 3;

		private Visualizer mVisualizer = null;
		private int mMaxFrequency = 0;
		private int mCapturePeriodMs;
		private byte[] mFft = new byte[CAPTURE_SIZE];

		public EnergyProbe(int session) {
		try {
		mVisualizer = new Visualizer(session);
		if (mVisualizer != null) {
		mVisualizer.setCaptureSize(CAPTURE_SIZE);
		mMaxFrequency = mVisualizer.getSamplingRate() / 2000;
		mCapturePeriodMs = 1000000 / mVisualizer.getMaxCaptureRate();
		}
		} catch (UnsupportedOperationException e) {
		Log.e(TAG, "Error creating visualizer");
		} catch (IllegalStateException e) {
		Log.e(TAG, "Error configuring visualizer");
		}
		}

		public int capture(int freq) throws InterruptedException {
		int energy = 0;
		int count = 0;

		if (freq > mMaxFrequency) {
		return 0;
		}

		if (mVisualizer != null) {
		try {
		mVisualizer.setEnabled(true);
		for (int i = 0; i < MEASURE_COUNT; i++) {
		if (mVisualizer.getFft(mFft) == Visualizer.SUCCESS) {
		if (freq == mMaxFrequency) {
		energy += (int)mFft[0] * (int)mFft[0];
		} else {
		int bin = 2 * (freq * CAPTURE_SIZE / mMaxFrequency / 2);
		if (bin < 2) bin = 2;
		int tmp = 0;
		int j;
		for (j = 0;
		(j < AVERAGE_COUNT) && ((bin + 2 * j) < CAPTURE_SIZE);
		j++) {
		tmp += (int)mFft[bin + 2 * j] * (int)mFft[bin + 2 * j] +
		(int)mFft[bin + 2 * j + 1] * (int)mFft[bin + 2 * j + 1];
		}
		// j is always != 0
		energy += tmp/j;
		}
		count++;
		}
		Thread.sleep(mCapturePeriodMs);
		}
		mVisualizer.setEnabled(false);
		} catch (IllegalStateException e) {
		Log.e(TAG, "Error capturing audio");
		}
		}
		if (count == 0) {
		return 0;
		}
		return energy/count;
		}

		public void release() {
		if (mVisualizer != null) {
		mVisualizer.release();
		mVisualizer = null;
		}
		}
		}

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaBassBoostTest.java

+1 −47

Original line number	Diff line number	Diff line
		@@ -43,7 +43,7 @@ import java.util.UUID;
		*/
		public class MediaBassBoostTest extends ActivityInstrumentationTestCase2<MediaFrameworkTest> {
		private String TAG = "MediaBassBoostTest";
		private final static int MIN_ENERGY_RATIO_2 = 4;
		private final static int MIN_ENERGY_RATIO_2 = 3;
		private final static short TEST_STRENGTH = 500;

		private BassBoost mBassBoost = null;
		@@ -259,52 +259,6 @@ public class MediaBassBoostTest extends ActivityInstrumentationTestCase2<MediaFr
		// private methods
		//----------------------------------

		private class EnergyProbe {
		Visualizer mVisualizer = null;
		private byte[] mFft = new byte[1024];

		public EnergyProbe(int session) {
		mVisualizer = new Visualizer(session);
		mVisualizer.setCaptureSize(1024);
		}

		public int capture(int freq) throws InterruptedException {
		int energy = 0;
		int count = 0;
		if (mVisualizer != null) {
		mVisualizer.setEnabled(true);
		for (int i = 0; i < 10; i++) {
		if (mVisualizer.getFft(mFft) == Visualizer.SUCCESS) {
		// TODO: check speex FFT as it seems to return only the number of points
		// correspondong to valid part of the spectrum (< Fs).
		// e.g., if the number of points is 1024, it covers the frequency range
		// 0 to 22050 instead of 0 to 44100 as expected from an FFT.
		int bin = freq / (22050 / 1024);
		int tmp = 0;
		for (int j = bin-2; j < bin+3; j++) {
		tmp += (int)mFft[j] * (int)mFft[j];
		}
		energy += tmp/5;
		count++;
		}
		Thread.sleep(50);
		}
		mVisualizer.setEnabled(false);
		}
		if (count == 0) {
		return 0;
		}
		return energy/count;
		}

		public void release() {
		if (mVisualizer != null) {
		mVisualizer.release();
		mVisualizer = null;
		}
		}
		}

		private void getBassBoost(int session) {
		if (mBassBoost == null \|\| session != mSession) {
		if (session != mSession && mBassBoost != null) {

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaEnvReverbTest.java

0 → 100644

+508 −0

File added.

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media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaEqualizerTest.java

+0 −46

Original line number	Diff line number	Diff line
		@@ -322,52 +322,6 @@ public class MediaEqualizerTest extends ActivityInstrumentationTestCase2<MediaFr
		// private methods
		//----------------------------------

		private class EnergyProbe {
		Visualizer mVisualizer = null;
		private byte[] mFft = new byte[1024];

		public EnergyProbe(int session) {
		mVisualizer = new Visualizer(session);
		mVisualizer.setCaptureSize(1024);
		}

		public int capture(int freq) throws InterruptedException {
		int energy = 0;
		int count = 0;
		if (mVisualizer != null) {
		mVisualizer.setEnabled(true);
		for (int i = 0; i < 10; i++) {
		if (mVisualizer.getFft(mFft) == Visualizer.SUCCESS) {
		// TODO: check speex FFT as it seems to return only the number of points
		// correspondong to valid part of the spectrum (< Fs).
		// e.g., if the number of points is 1024, it covers the frequency range
		// 0 to 22050 instead of 0 to 44100 as expected from an FFT.
		int bin = freq / (22050 / 1024);
		int tmp = 0;
		for (int j = bin-2; j < bin+3; j++) {
		tmp += (int)mFft[j] * (int)mFft[j];
		}
		energy += tmp/5;
		count++;
		}
		Thread.sleep(50);
		}
		mVisualizer.setEnabled(false);
		}
		if (count == 0) {
		return 0;
		}
		return energy/count;
		}

		public void release() {
		if (mVisualizer != null) {
		mVisualizer.release();
		mVisualizer = null;
		}
		}
		}

		private void getEqualizer(int session) {
		if (mEqualizer == null \|\| session != mSession) {
		if (session != mSession && mEqualizer != null) {