diff options
Diffstat (limited to 'src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java')
-rw-r--r-- | src/com/android/tv/tuner/exoplayer/ac3/AudioTrackMonitor.java | 121 |
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 & 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(); - } - } -} |