Enhance decoder output frame handling (c22d8d50) · Commits · e / os / android_frameworks_av

media/tests/benchmark/MediaBenchmarkTest/src/main/java/com/android/media/benchmark/library/Decoder.java

+9 −7

Original line number	Diff line number	Diff line
		@@ -43,6 +43,7 @@ public class Decoder implements IBufferXfer.IReceiveBuffer {
		private boolean mRender = false;
		private ArrayList<BufferInfo> mInputBufferInfo;
		private Stats mStats;
		private String mMime;

		private boolean mSawInputEOS;
		private boolean mSawOutputEOS;
		@@ -107,14 +108,14 @@ public class Decoder implements IBufferXfer.IReceiveBuffer {
		}

		private MediaCodec createCodec(String codecName, MediaFormat format) throws IOException {
		String mime = format.getString(MediaFormat.KEY_MIME);
		mMime = format.getString(MediaFormat.KEY_MIME);
		try {
		MediaCodec codec;
		if (codecName.isEmpty()) {
		Log.i(TAG, "File mime type: " + mime);
		if (mime != null) {
		codec = MediaCodec.createDecoderByType(mime);
		Log.i(TAG, "Decoder created for mime type " + mime);
		Log.i(TAG, "File mime type: " + mMime);
		if (mMime != null) {
		codec = MediaCodec.createDecoderByType(mMime);
		Log.i(TAG, "Decoder created for mime type " + mMime);
		return codec;
		} else {
		Log.e(TAG, "Mime type is null, please specify a mime type to create decoder");
		@@ -122,12 +123,12 @@ public class Decoder implements IBufferXfer.IReceiveBuffer {
		}
		} else {
		codec = MediaCodec.createByCodecName(codecName);
		Log.i(TAG, "Decoder created with codec name: " + codecName + " mime: " + mime);
		Log.i(TAG, "Decoder created with codec name: " + codecName + " mime: " + mMime);
		return codec;
		}
		} catch (IllegalArgumentException ex) {
		ex.printStackTrace();
		Log.e(TAG, "Failed to create decoder for " + codecName + " mime:" + mime);
		Log.e(TAG, "Failed to create decoder for " + codecName + " mime:" + mMime);
		return null;
		}
		}
		@@ -167,6 +168,7 @@ public class Decoder implements IBufferXfer.IReceiveBuffer {
		}
		if (mFrameReleaseQueue != null) {
		mFrameReleaseQueue.setMediaCodec(mCodec);
		mFrameReleaseQueue.setMime(mMime);
		}
		if (asyncMode) {
		mCodec.setCallback(new MediaCodec.Callback() {

media/tests/benchmark/MediaBenchmarkTest/src/main/java/com/android/media/benchmark/library/FrameReleaseQueue.java

+57 −29

Original line number	Diff line number	Diff line
		@@ -23,20 +23,30 @@ import java.nio.ByteBuffer;
		import java.util.concurrent.LinkedBlockingQueue;
		import java.util.concurrent.atomic.AtomicBoolean;
		import java.util.concurrent.CompletableFuture;
		import java.util.concurrent.ScheduledExecutorService;
		import java.util.concurrent.Executors;
		import java.util.concurrent.TimeUnit;

		public class FrameReleaseQueue {
		private static final String TAG = "FrameReleaseQueue";
		private final String MIME_AV1 = "video/av01";
		private final int AV1_SUPERFRAME_DELAY = 6;
		private final int THRESHOLD_TIME = 5;

		private MediaCodec mCodec;
		private LinkedBlockingQueue<FrameInfo> mFrameInfoQueue;
		private ReleaseThread mReleaseThread;
		private AtomicBoolean doFrameRelease = new AtomicBoolean(false);
		private boolean mReleaseJobStarted = false;
		private boolean mRender = false;
		private int mWaitTime = 40; // milliseconds per frame
		private int mWaitTimeCorrection = 0;
		private int mCorrectionLoopCount;
		private int firstReleaseTime = -1;
		private int THRESHOLD_TIME = 5;
		private int mAllowedDelayTime = THRESHOLD_TIME;
		private int mFrameDelay = 0;
		private final ScheduledExecutorService mScheduler = Executors.newScheduledThreadPool(1);


		private static class FrameInfo {
		private int number;
		@@ -50,30 +60,44 @@ public class FrameReleaseQueue {
		}

		private class ReleaseThread extends Thread {
		private int mLoopCount = 0;
		private int mNextReleaseTime = 0;

		@SuppressWarnings("FutureReturnValueIgnored")
		public void run() {
		long nextReleaseTime = 0;
		int loopCount = 0;
		while (doFrameRelease.get() \|\| mFrameInfoQueue.size() > 0) {
		/* Check if the release thread wakes up too late */
		if (mLoopCount != 0) {
		int delta = getCurSysTime() - mNextReleaseTime;
		if (delta >= THRESHOLD_TIME) {
		Log.d(TAG, "Release thread wake up late by " + delta);
		/* For accidental late wake up, we should relax the timestamp
		check for display time */
		mAllowedDelayTime = 1 + delta;
		} else {
		mAllowedDelayTime = THRESHOLD_TIME;
		}
		}
		if (doFrameRelease.get() \|\| mFrameInfoQueue.size() > 0) {
		FrameInfo curFrameInfo = mFrameInfoQueue.peek();
		if (curFrameInfo == null) {
		nextReleaseTime += mWaitTime;
		mNextReleaseTime += mWaitTime;
		} else {
		if (firstReleaseTime == -1 \|\| curFrameInfo.displayTime <= 0) {
		// first frame of loop
		firstReleaseTime = getCurSysTime();
		nextReleaseTime = firstReleaseTime + mWaitTime;
		mNextReleaseTime = firstReleaseTime + mWaitTime;
		popAndRelease(true);
		} else if (!doFrameRelease.get() && mFrameInfoQueue.size() == 1) {
		// EOS
		Log.i(TAG, "EOS");
		popAndRelease(false);
		} else {
		nextReleaseTime += mWaitTime;
		mNextReleaseTime += mWaitTime;
		int curSysTime = getCurSysTime();
		int curMediaTime = curSysTime - firstReleaseTime;
		while (curFrameInfo != null && curFrameInfo.displayTime > 0 &&
		curFrameInfo.displayTime <= curMediaTime) {
		if (!((curMediaTime - curFrameInfo.displayTime) <= THRESHOLD_TIME)) {
		if (!((curMediaTime - curFrameInfo.displayTime) <= mAllowedDelayTime)) {
		Log.d(TAG, "Dropping expired frame " + curFrameInfo.number +
		" display time " + curFrameInfo.displayTime +
		" current time " + curMediaTime);
		@@ -91,20 +115,14 @@ public class FrameReleaseQueue {
		}
		}
		}
		long sleepTime = nextReleaseTime - getCurSysTime();
		if (sleepTime > 0) {
		try {
		mReleaseThread.sleep(sleepTime);
		} catch (InterruptedException e) {
		Log.e(TAG, "Threw InterruptedException on sleep");
		}
		} else {
		Log.d(TAG, "Thread sleep time less than 1");
		}
		if (loopCount % mCorrectionLoopCount == 0) {
		nextReleaseTime += mWaitTimeCorrection;

		long sleepTime = (long)(mNextReleaseTime - getCurSysTime());
		mScheduler.schedule(mReleaseThread, sleepTime, TimeUnit.MILLISECONDS);

		if (mLoopCount % mCorrectionLoopCount == 0) {
		mNextReleaseTime += mWaitTimeCorrection;
		}
		loopCount += 1;
		mLoopCount += 1;
		}
		}
		}
		@@ -130,6 +148,12 @@ public class FrameReleaseQueue {
		this.mCodec = mediaCodec;
		}

		public void setMime(String mime) {
		if (mime.equals(MIME_AV1)) {
		mFrameDelay = AV1_SUPERFRAME_DELAY;
		}
		}

		public boolean pushFrame(int frameNumber, int frameBufferId, long frameDisplayTime) {
		int frameDisplayTimeMs = (int)(frameDisplayTime/1000);
		FrameInfo curFrameInfo = new FrameInfo(frameNumber, frameBufferId, frameDisplayTimeMs);
		@@ -138,8 +162,10 @@ public class FrameReleaseQueue {
		Log.e(TAG, "Failed to push frame with buffer id " + curFrameInfo.bufferId);
		return false;
		}
		if (!mReleaseThread.isAlive()) {
		mReleaseThread.start();

		if (!mReleaseJobStarted && frameNumber >= mFrameDelay) {
		mScheduler.execute(mReleaseThread);
		mReleaseJobStarted = true;
		Log.i(TAG, "Started frame release thread");
		}
		return true;
		@@ -149,12 +175,13 @@ public class FrameReleaseQueue {
		return (int)(System.nanoTime()/1000000);
		}

		@SuppressWarnings("FutureReturnValueIgnored")
		private void popAndRelease(boolean renderThisFrame) {
		final boolean actualRender = (renderThisFrame && mRender);
		try {
		final FrameInfo curFrameInfo = mFrameInfoQueue.take();

		CompletableFuture future = CompletableFuture.runAsync(() -> {
		CompletableFuture.runAsync(() -> {
		try {
		mCodec.releaseOutputBuffer(curFrameInfo.bufferId, actualRender);
		} catch (IllegalStateException e) {
		@@ -169,11 +196,12 @@ public class FrameReleaseQueue {

		public void stopFrameRelease() {
		doFrameRelease.set(false);
		while (mFrameInfoQueue.size() > 0) {
		try {
		mReleaseThread.join();
		Log.i(TAG, "Joined frame release thread");
		TimeUnit.SECONDS.sleep(1);
		} catch (InterruptedException e) {
		Log.e(TAG, "Threw InterruptedException on thread join");
		Log.e(TAG, "Threw InterruptedException on sleep");
		}
		}
		}
		}