/*
* Copyright (C) 2011 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 androidx.media.filterpacks.performance;
import android.util.Log;
import android.os.SystemClock;
import androidx.media.filterfw.*;
public class ThroughputFilter extends Filter {
private int mPeriod = 3;
private long mLastTime = 0;
private int mTotalFrameCount = 0;
private int mPeriodFrameCount = 0;
public ThroughputFilter(MffContext context, String name) {
super(context, name);
}
@Override
public Signature getSignature() {
FrameType throughputType = FrameType.single(Throughput.class);
return new Signature()
.addInputPort("frame", Signature.PORT_REQUIRED, FrameType.any())
.addOutputPort("throughput", Signature.PORT_REQUIRED, throughputType)
.addOutputPort("frame", Signature.PORT_REQUIRED, FrameType.any())
.addInputPort("period", Signature.PORT_OPTIONAL, FrameType.single(int.class))
.disallowOtherPorts();
}
@Override
public void onInputPortOpen(InputPort port) {
if (port.getName().equals("period")) {
port.bindToFieldNamed("mPeriod");
} else {
port.attachToOutputPort(getConnectedOutputPort("frame"));
}
}
@Override
protected void onOpen() {
mTotalFrameCount = 0;
mPeriodFrameCount = 0;
mLastTime = 0;
}
@Override
protected synchronized void onProcess() {
Frame inputFrame = getConnectedInputPort("frame").pullFrame();
// Update stats
++mTotalFrameCount;
++mPeriodFrameCount;
// Check clock
if (mLastTime == 0) {
mLastTime = SystemClock.elapsedRealtime();
}
long curTime = SystemClock.elapsedRealtime();
// Output throughput info if time period is up
if ((curTime - mLastTime) >= (mPeriod * 1000)) {
Log.i("Thru", "It is time!");
OutputPort tpPort = getConnectedOutputPort("throughput");
Throughput throughput = new Throughput(mTotalFrameCount,
mPeriodFrameCount,
curTime - mLastTime,
inputFrame.getElementCount());
FrameValue throughputFrame = tpPort.fetchAvailableFrame(null).asFrameValue();
throughputFrame.setValue(throughput);
tpPort.pushFrame(throughputFrame);
mLastTime = curTime;
mPeriodFrameCount = 0;
}
getConnectedOutputPort("frame").pushFrame(inputFrame);
}
}