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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 com.android.tv.tuner.tvinput;
import android.os.SystemClock;
import android.util.Log;
/**
* A class to maintain various debugging information.
*/
public class TunerDebug {
private static final String TAG = "TunerDebug";
public static final boolean ENABLED = false;
private int mVideoFrameDrop;
private int mBytesInQueue;
private long mAudioPositionUs;
private long mAudioPtsUs;
private long mVideoPtsUs;
private long mLastAudioPositionUs;
private long mLastAudioPtsUs;
private long mLastVideoPtsUs;
private long mLastCheckTimestampMs;
private long mAudioPositionUsRate;
private long mAudioPtsUsRate;
private long mVideoPtsUsRate;
private TunerDebug() {
mVideoFrameDrop = 0;
mLastCheckTimestampMs = SystemClock.elapsedRealtime();
}
private static class LazyHolder {
private static final TunerDebug INSTANCE = new TunerDebug();
}
public static TunerDebug getInstance() {
return LazyHolder.INSTANCE;
}
public static void notifyVideoFrameDrop(int count, long delta) {
// TODO: provide timestamp mismatch information using delta
TunerDebug sTunerDebug = getInstance();
sTunerDebug.mVideoFrameDrop += count;
}
public static int getVideoFrameDrop() {
TunerDebug sTunerDebug = getInstance();
int videoFrameDrop = sTunerDebug.mVideoFrameDrop;
if (videoFrameDrop > 0) {
Log.d(TAG, "Dropped video frame: " + videoFrameDrop);
}
sTunerDebug.mVideoFrameDrop = 0;
return videoFrameDrop;
}
public static void setBytesInQueue(int bytesInQueue) {
TunerDebug sTunerDebug = getInstance();
sTunerDebug.mBytesInQueue = bytesInQueue;
}
public static int getBytesInQueue() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mBytesInQueue;
}
public static void setAudioPositionUs(long audioPositionUs) {
TunerDebug sTunerDebug = getInstance();
sTunerDebug.mAudioPositionUs = audioPositionUs;
}
public static long getAudioPositionUs() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mAudioPositionUs;
}
public static void setAudioPtsUs(long audioPtsUs) {
TunerDebug sTunerDebug = getInstance();
sTunerDebug.mAudioPtsUs = audioPtsUs;
}
public static long getAudioPtsUs() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mAudioPtsUs;
}
public static void setVideoPtsUs(long videoPtsUs) {
TunerDebug sTunerDebug = getInstance();
sTunerDebug.mVideoPtsUs = videoPtsUs;
}
public static long getVideoPtsUs() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mVideoPtsUs;
}
public static void calculateDiff() {
TunerDebug sTunerDebug = getInstance();
long currentTime = SystemClock.elapsedRealtime();
long duration = currentTime - sTunerDebug.mLastCheckTimestampMs;
if (duration != 0) {
sTunerDebug.mAudioPositionUsRate =
(sTunerDebug.mAudioPositionUs - sTunerDebug.mLastAudioPositionUs) * 1000
/ duration;
sTunerDebug.mAudioPtsUsRate =
(sTunerDebug.mAudioPtsUs - sTunerDebug.mLastAudioPtsUs) * 1000
/ duration;
sTunerDebug.mVideoPtsUsRate =
(sTunerDebug.mVideoPtsUs - sTunerDebug.mLastVideoPtsUs) * 1000
/ duration;
}
sTunerDebug.mLastAudioPositionUs = sTunerDebug.mAudioPositionUs;
sTunerDebug.mLastAudioPtsUs = sTunerDebug.mAudioPtsUs;
sTunerDebug.mLastVideoPtsUs = sTunerDebug.mVideoPtsUs;
sTunerDebug.mLastCheckTimestampMs = currentTime;
}
public static long getAudioPositionUsRate() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mAudioPositionUsRate;
}
public static long getAudioPtsUsRate() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mAudioPtsUsRate;
}
public static long getVideoPtsUsRate() {
TunerDebug sTunerDebug = getInstance();
return sTunerDebug.mVideoPtsUsRate;
}
}
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