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Diffstat (limited to 'src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java')
-rw-r--r--src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java121
1 files changed, 0 insertions, 121 deletions
diff --git a/src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java b/src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java
deleted file mode 100644
index bfdf08ac..00000000
--- a/src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * 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.exoplayer.ac3;
-
-import android.os.SystemClock;
-import android.util.Log;
-import android.util.Pair;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Set;
-
-/**
- * Monitors the rendering position of {@link AudioTrack}.
- */
-public class AudioTrackMonitor {
- private static final String TAG = "AudioTrackMonitor";
- private static final boolean DEBUG = false;
-
- // For fetched audio samples
- private final ArrayList<Pair<Long, Integer>> mPtsList = new ArrayList<>();
- private final Set<Integer> mSampleSize = new HashSet<>();
- private final Set<Integer> mCurSampleSize = new HashSet<>();
- private final Set<Integer> mAc3Header = new HashSet<>();
-
- private long mExpireMs;
- private long mDuration;
- private long mSampleCount;
- private long mTotalCount;
- private long mStartMs;
-
- private void flush() {
- mExpireMs += mDuration;
- mSampleCount = 0;
- mCurSampleSize.clear();
- mPtsList.clear();
- }
-
- /**
- * Resets and initializes {@link AudioTrackMonitor}.
- *
- * @param duration the frequency of monitoring in milliseconds
- */
- public void reset(long duration) {
- mExpireMs = SystemClock.elapsedRealtime();
- mDuration = duration;
- mTotalCount = 0;
- mStartMs = 0;
- mSampleSize.clear();
- mAc3Header.clear();
- flush();
- }
-
- /**
- * Adds an audio sample information for monitoring.
- *
- * @param pts the presentation timestamp of the sample
- * @param sampleSize the size in bytes of the sample
- * @param header the bitrate &amp; sampling information header of the sample
- */
- public void addPts(long pts, int sampleSize, int header) {
- mTotalCount++;
- mSampleCount++;
- mSampleSize.add(sampleSize);
- mAc3Header.add(header);
- mCurSampleSize.add(sampleSize);
- if (mTotalCount == 1) {
- mStartMs = SystemClock.elapsedRealtime();
- }
- if (mPtsList.isEmpty() || mPtsList.get(mPtsList.size() - 1).first != pts) {
- mPtsList.add(Pair.create(pts, 1));
- return;
- }
- Pair<Long, Integer> pair = mPtsList.get(mPtsList.size() - 1);
- mPtsList.set(mPtsList.size() - 1, Pair.create(pair.first, pair.second + 1));
- }
-
- /**
- * Logs if interested events are present.
- * <p>
- * Periodic logging is not enabled in release mode in order to avoid verbose logging.
- */
- public void maybeLog() {
- long now = SystemClock.elapsedRealtime();
- if (mExpireMs != 0 && now >= mExpireMs) {
- if (DEBUG) {
- long sampleDuration = (mTotalCount - 1) *
- Ac3PassthroughTrackRenderer.AC3_SAMPLE_DURATION_US / 1000;
- long totalDuration = now - mStartMs;
- StringBuilder ptsBuilder = new StringBuilder();
- ptsBuilder.append("PTS received ").append(mSampleCount).append(", ")
- .append(totalDuration - sampleDuration).append(' ');
-
- for (Pair<Long, Integer> pair : mPtsList) {
- ptsBuilder.append('[').append(pair.first).append(':').append(pair.second)
- .append("], ");
- }
- Log.d(TAG, ptsBuilder.toString());
- }
- if (DEBUG || mCurSampleSize.size() > 1) {
- Log.d(TAG, "PTS received sample size: "
- + String.valueOf(mSampleSize) + mCurSampleSize + mAc3Header);
- }
- flush();
- }
- }
-}