/*
* Copyright (C) 2014 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 tv.danmaku.ijk.media.exo.demo;
import com.google.android.exoplayer.ExoPlayer;
import com.google.android.exoplayer.MediaCodecTrackRenderer.DecoderInitializationException;
import com.google.android.exoplayer.TimeRange;
import com.google.android.exoplayer.audio.AudioTrack;
import com.google.android.exoplayer.chunk.Format;
import tv.danmaku.ijk.media.exo.demo.player.DemoPlayer;
import com.google.android.exoplayer.util.VerboseLogUtil;
import android.media.MediaCodec.CryptoException;
import android.os.SystemClock;
import android.util.Log;
import java.io.IOException;
import java.text.NumberFormat;
import java.util.Locale;
/**
* Logs player events using {link Log}.
*/
public class EventLogger implements DemoPlayer.Listener, DemoPlayer.InfoListener,
DemoPlayer.InternalErrorListener {
private static final String TAG = "EventLogger";
private static final NumberFormat TIME_FORMAT;
static {
TIME_FORMAT = NumberFormat.getInstance(Locale.US);
TIME_FORMAT.setMinimumFractionDigits(2);
TIME_FORMAT.setMaximumFractionDigits(2);
}
private long sessionStartTimeMs;
private long[] loadStartTimeMs;
private long[] availableRangeValuesUs;
public EventLogger() {
loadStartTimeMs = new long[DemoPlayer.RENDERER_COUNT];
}
public void startSession() {
sessionStartTimeMs = SystemClock.elapsedRealtime();
Log.d(TAG, "start [0]");
}
public void endSession() {
Log.d(TAG, "end [" + getSessionTimeString() + "]");
}
// DemoPlayer.Listener
@Override
public void onStateChanged(boolean playWhenReady, int state) {
Log.d(TAG, "state [" + getSessionTimeString() + ", " + playWhenReady + ", "
+ getStateString(state) + "]");
}
@Override
public void onError(Exception e) {
Log.e(TAG, "playerFailed [" + getSessionTimeString() + "]", e);
}
@Override
public void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees,
float pixelWidthHeightRatio) {
Log.d(TAG, "videoSizeChanged [" + width + ", " + height + ", " + unappliedRotationDegrees
+ ", " + pixelWidthHeightRatio + "]");
}
// DemoPlayer.InfoListener
@Override
public void onBandwidthSample(int elapsedMs, long bytes, long bitrateEstimate) {
Log.d(TAG, "bandwidth [" + getSessionTimeString() + ", " + bytes + ", "
+ getTimeString(elapsedMs) + ", " + bitrateEstimate + "]");
}
@Override
public void onDroppedFrames(int count, long elapsed) {
Log.d(TAG, "droppedFrames [" + getSessionTimeString() + ", " + count + "]");
}
@Override
public void onLoadStarted(int sourceId, long length, int type, int trigger, Format format,
long mediaStartTimeMs, long mediaEndTimeMs) {
loadStartTimeMs[sourceId] = SystemClock.elapsedRealtime();
if (VerboseLogUtil.isTagEnabled(TAG)) {
Log.v(TAG, "loadStart [" + getSessionTimeString() + ", " + sourceId + ", " + type
+ ", " + mediaStartTimeMs + ", " + mediaEndTimeMs + "]");
}
}
@Override
public void onLoadCompleted(int sourceId, long bytesLoaded, int type, int trigger, Format format,
long mediaStartTimeMs, long mediaEndTimeMs, long elapsedRealtimeMs, long loadDurationMs) {
if (VerboseLogUtil.isTagEnabled(TAG)) {
long downloadTime = SystemClock.elapsedRealtime() - loadStartTimeMs[sourceId];
Log.v(TAG, "loadEnd [" + getSessionTimeString() + ", " + sourceId + ", " + downloadTime
+ "]");
}
}
@Override
public void onVideoFormatEnabled(Format format, int trigger, long mediaTimeMs) {
Log.d(TAG, "videoFormat [" + getSessionTimeString() + ", " + format.id + ", "
+ Integer.toString(trigger) + "]");
}
@Override
public void onAudioFormatEnabled(Format format, int trigger, long mediaTimeMs) {
Log.d(TAG, "audioFormat [" + getSessionTimeString() + ", " + format.id + ", "
+ Integer.toString(trigger) + "]");
}
// DemoPlayer.InternalErrorListener
@Override
public void onLoadError(int sourceId, IOException e) {
printInternalError("loadError", e);
}
@Override
public void onRendererInitializationError(Exception e) {
printInternalError("rendererInitError", e);
}
@Override
public void onDrmSessionManagerError(Exception e) {
printInternalError("drmSessionManagerError", e);
}
@Override
public void onDecoderInitializationError(DecoderInitializationException e) {
printInternalError("decoderInitializationError", e);
}
@Override
public void onAudioTrackInitializationError(AudioTrack.InitializationException e) {
printInternalError("audioTrackInitializationError", e);
}
@Override
public void onAudioTrackWriteError(AudioTrack.WriteException e) {
printInternalError("audioTrackWriteError", e);
}
@Override
public void onAudioTrackUnderrun(int bufferSize, long bufferSizeMs, long elapsedSinceLastFeedMs) {
printInternalError("audioTrackUnderrun [" + bufferSize + ", " + bufferSizeMs + ", "
+ elapsedSinceLastFeedMs + "]", null);
}
@Override
public void onCryptoError(CryptoException e) {
printInternalError("cryptoError", e);
}
@Override
public void onDecoderInitialized(String decoderName, long elapsedRealtimeMs,
long initializationDurationMs) {
Log.d(TAG, "decoderInitialized [" + getSessionTimeString() + ", " + decoderName + "]");
}
@Override
public void onAvailableRangeChanged(int sourceId, TimeRange availableRange) {
availableRangeValuesUs = availableRange.getCurrentBoundsUs(availableRangeValuesUs);
Log.d(TAG, "availableRange [" + availableRange.isStatic() + ", " + availableRangeValuesUs[0]
+ ", " + availableRangeValuesUs[1] + "]");
}
private void printInternalError(String type, Exception e) {
Log.e(TAG, "internalError [" + getSessionTimeString() + ", " + type + "]", e);
}
private String getStateString(int state) {
switch (state) {
case ExoPlayer.STATE_BUFFERING:
return "B";
case ExoPlayer.STATE_ENDED:
return "E";
case ExoPlayer.STATE_IDLE:
return "I";
case ExoPlayer.STATE_PREPARING:
return "P";
case ExoPlayer.STATE_READY:
return "R";
default:
return "?";
}
}
private String getSessionTimeString() {
return getTimeString(SystemClock.elapsedRealtime() - sessionStartTimeMs);
}
private String getTimeString(long timeMs) {
return TIME_FORMAT.format((timeMs) / 1000f);
}
}