Added the Camera Preveiw memory test which can help to isolate the memory leak issue. (30a13908) · Commits · e / os / android_frameworks_base

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/performance/MediaPlayerPerformance.java

+109 −15

Original line number	Diff line number	Diff line
		@@ -20,8 +20,11 @@ import com.android.mediaframeworktest.MediaFrameworkTest;
		import com.android.mediaframeworktest.MediaNames;

		import android.database.sqlite.SQLiteDatabase;
		import android.hardware.Camera;
		import android.hardware.Camera.PreviewCallback;
		import android.media.MediaPlayer;
		import android.media.MediaRecorder;
		import android.os.Looper;
		import android.os.SystemClock;
		import android.test.ActivityInstrumentationTestCase;
		import android.test.suitebuilder.annotation.LargeTest;
		@@ -42,6 +45,8 @@ import java.io.BufferedWriter;
		import android.media.MediaMetadataRetriever;
		import com.android.mediaframeworktest.MediaProfileReader;

		import android.hardware.Camera.PreviewCallback;

		/**
		* Junit / Instrumentation - performance measurement for media player and
		* recorder
		@@ -58,14 +63,24 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		private static final String MEDIA_MEMORY_OUTPUT =
		"/sdcard/mediaMemOutput.txt";

		//the tolerant memory leak
		private static final int MAX_ACCEPTED_MEMORY_LEAK_KB = 150;

		private static int mStartMemory = 0;
		private static int mEndMemory = 0;
		private static int mStartPid = 0;
		private static int mEndPid = 0;

		private boolean mInitialized = false;
		private Looper mLooper = null;
		private RawPreviewCallback mRawPreviewCallback = new RawPreviewCallback();
		private final Object lock = new Object();
		private final Object previewDone = new Object();
		private static int WAIT_FOR_COMMAND_TO_COMPLETE = 10000; // Milliseconds.

		//the tolerant memory leak
		private static int ENCODER_LIMIT = 150;
		private static int DECODER_LIMIT = 150;
		private static int CAMERA_LIMIT = 80;

		Camera mCamera;

		public MediaPlayerPerformance() {
		super("com.android.mediaframeworktest", MediaFrameworkTest.class);
		@@ -178,6 +193,66 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		Log.v(TAG, "Average duration = " + sum / testFile.length);
		}

		private void initializeMessageLooper() {
		new Thread() {
		@Override
		public void run() {
		Looper.prepare();
		Log.v(TAG, "start loopRun");
		mLooper = Looper.myLooper();
		mCamera = Camera.open();
		synchronized (lock) {
		mInitialized = true;
		lock.notify();
		}
		Looper.loop();
		Log.v(TAG, "initializeMessageLooper: quit.");
		}
		}.start();
		}

		private void terminateMessageLooper() {
		mLooper.quit();
		mCamera.release();
		}

		private final class RawPreviewCallback implements PreviewCallback {
		public void onPreviewFrame(byte[] rawData, Camera camera) {
		synchronized (previewDone) {
		previewDone.notify();
		}
		}
		}

		public void stressCameraPreview() {
		try {
		synchronized (lock) {
		initializeMessageLooper();
		try {
		lock.wait(WAIT_FOR_COMMAND_TO_COMPLETE);
		} catch (Exception e) {
		Log.v(TAG, "runTestOnMethod: wait was interrupted.");
		}
		}
		mCamera.setPreviewCallback(mRawPreviewCallback);
		mSurfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
		mCamera.setPreviewDisplay(mSurfaceHolder);
		mCamera.startPreview();
		synchronized (previewDone) {
		try {
		previewDone.wait(WAIT_FOR_COMMAND_TO_COMPLETE);
		Log.v(TAG, "Preview Done");
		} catch (Exception e) {
		Log.v(TAG, "wait was interrupted.");
		}
		}
		Thread.sleep(1000);
		mCamera.stopPreview();
		terminateMessageLooper();
		} catch (Exception e) {
		Log.v(TAG, e.toString());
		}
		}

		// Note: This test is to assume the mediaserver's pid is 34
		public void mediaStressPlayback(String testFilePath) {
		@@ -314,7 +389,8 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		return vsizevalue;
		}

		public boolean validateMemoryResult (int startPid, int startMemory, Writer output) throws Exception {
		public boolean validateMemoryResult(int startPid, int startMemory, Writer output, int limit)
		throws Exception {
		// Wait for 10 seconds to make sure the memory settle.
		Thread.sleep(10000);
		mEndPid = getMediaserverPid();
		@@ -330,8 +406,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		return false;
		}
		// memory leak greter than the tolerant
		if (memDiff > MAX_ACCEPTED_MEMORY_LEAK_KB )
		return false;
		if (memDiff > limit) return false;
		return true;
		}

		@@ -356,7 +431,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, DECODER_LIMIT);
		output.close();
		assertTrue("H263 playback memory test", memoryResult);
		}
		@@ -375,7 +450,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, DECODER_LIMIT);
		output.close();
		assertTrue("H264 playback memory test", memoryResult);
		}
		@@ -394,7 +469,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, DECODER_LIMIT);
		output.close();
		assertTrue("wmv playback memory test", memoryResult);
		}
		@@ -415,7 +490,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, ENCODER_LIMIT);
		output.close();
		assertTrue("H263 record only memory test", memoryResult);
		}
		@@ -435,7 +510,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, ENCODER_LIMIT);
		output.close();
		assertTrue("mpeg4 record only memory test", memoryResult);
		}
		@@ -456,7 +531,7 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, ENCODER_LIMIT);
		output.close();
		assertTrue("H263 audio video record memory test", memoryResult);
		}
		@@ -475,8 +550,27 @@ public class MediaPlayerPerformance extends ActivityInstrumentationTestCase<Medi
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output);
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, ENCODER_LIMIT);
		output.close();
		assertTrue("audio record only memory test", memoryResult);
		}

		// Test case 8: Capture the memory usage after every 20 camera preview
		@LargeTest
		public void testCameraPreviewMemoryUsage() throws Exception {
		boolean memoryResult = false;
		mStartPid = getMediaserverPid();

		File cameraPreviewMemoryOut = new File(MEDIA_MEMORY_OUTPUT);
		Writer output = new BufferedWriter(new FileWriter(cameraPreviewMemoryOut, true));
		output.write("Camera Preview Only\n");
		for (int i = 0; i < NUM_STRESS_LOOP; i++) {
		stressCameraPreview();
		getMemoryWriteToLog(output, i);
		}
		output.write("\n");
		memoryResult = validateMemoryResult(mStartPid, mStartMemory, output, CAMERA_LIMIT);
		output.close();
		assertTrue("camera preview memory test", memoryResult);
		}
		}