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/*
* Copyright (C) 2015 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 org.drrickorang.loopback;
import java.util.Arrays;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
/**
* This activity will display a histogram that shows the player's buffer period.
*/
public class PlayerBufferPeriodActivity extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
View view = getLayoutInflater().inflate(R.layout.player_buffer_period_activity, null);
setContentView(view);
HistogramView histogramView = (HistogramView) findViewById(R.id.viewWriteHistogram);
Bundle bundle = getIntent().getExtras();
// setup the histogram
int[] bufferTimeStampData = bundle.getIntArray("playerBufferPeriodTimeStampArray");
int[] bufferData = bundle.getIntArray("playerBufferPeriodArray");
int bufferDataMax = bundle.getInt("playerBufferPeriodMax");
histogramView.setBufferPeriodTimeStampArray(bufferTimeStampData);
histogramView.setBufferPeriodArray(bufferData);
histogramView.setMaxBufferPeriod(bufferDataMax);
// do performance measurement if there are buffer period data
if (bufferData != null) {
// this is the range of data that actually has values
int usefulDataRange = Math.min(bufferDataMax + 1, bufferData.length);
int[] usefulBufferData = Arrays.copyOfRange(bufferData, 0, usefulDataRange);
int playerBufferSize = bundle.getInt("playerBufferSize");
int samplingRate = bundle.getInt("samplingRate");
PerformanceMeasurement measurement = new PerformanceMeasurement(playerBufferSize,
samplingRate, usefulBufferData);
measurement.measurePerformance();
}
}
}
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