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Commit 8f0729b5 by olly Committed by Oliver Woodman
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Add AudioListener (audio equivalent to VideoListener) 

Issue: #3994

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=204722997
parent e247a08a
Inline Side-by-side
Showing with 160 additions and 27 deletions
RELEASENOTES.md
...@@ -2,6 +2,8 @@ ...@@ -2,6 +2,8 @@
### dev-v2 (not yet released) ### ### dev-v2 (not yet released) ###
* Add `AudioListener` for listening to changes in audio configuration during
playback ([#3994](https://github.com/google/ExoPlayer/issues/3994)).
* MPEG-PS: Support reading duration from MPEG-PS Streams * MPEG-PS: Support reading duration from MPEG-PS Streams
([#4476](https://github.com/google/ExoPlayer/issues/4476)). ([#4476](https://github.com/google/ExoPlayer/issues/4476)).
* MediaSession extension: * MediaSession extension:
......
library/core/src/main/java/com/google/android/exoplayer2/Player.java
...@@ -23,6 +23,7 @@ import android.view.SurfaceHolder; ...@@ -23,6 +23,7 @@ import android.view.SurfaceHolder;
import android.view.SurfaceView; import android.view.SurfaceView;
import android.view.TextureView; import android.view.TextureView;
import com.google.android.exoplayer2.audio.AudioAttributes; import com.google.android.exoplayer2.audio.AudioAttributes;
import com.google.android.exoplayer2.audio.AudioListener;
import com.google.android.exoplayer2.source.TrackGroupArray; import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.text.TextOutput; import com.google.android.exoplayer2.text.TextOutput;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray; import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
...@@ -56,6 +57,20 @@ public interface Player { ...@@ -56,6 +57,20 @@ public interface Player {
interface AudioComponent { interface AudioComponent {
/** /**
* Adds a listener to receive audio events.
*
* @param listener The listener to register.
*/
void addAudioListener(AudioListener listener);
/**
* Removes a listener of audio events.
*
* @param listener The listener to unregister.
*/
void removeAudioListener(AudioListener listener);
/**
* Sets the attributes for audio playback, used by the underlying audio track. If not set, the * Sets the attributes for audio playback, used by the underlying audio track. If not set, the
* default audio attributes will be used. They are suitable for general media playback. * default audio attributes will be used. They are suitable for general media playback.
* *
......
library/core/src/main/java/com/google/android/exoplayer2/SimpleExoPlayer.java
...@@ -31,6 +31,7 @@ import android.view.TextureView; ...@@ -31,6 +31,7 @@ import android.view.TextureView;
import com.google.android.exoplayer2.analytics.AnalyticsCollector; import com.google.android.exoplayer2.analytics.AnalyticsCollector;
import com.google.android.exoplayer2.analytics.AnalyticsListener; import com.google.android.exoplayer2.analytics.AnalyticsListener;
import com.google.android.exoplayer2.audio.AudioAttributes; import com.google.android.exoplayer2.audio.AudioAttributes;
import com.google.android.exoplayer2.audio.AudioListener;
import com.google.android.exoplayer2.audio.AudioRendererEventListener; import com.google.android.exoplayer2.audio.AudioRendererEventListener;
import com.google.android.exoplayer2.decoder.DecoderCounters; import com.google.android.exoplayer2.decoder.DecoderCounters;
import com.google.android.exoplayer2.drm.DefaultDrmSessionManager; import com.google.android.exoplayer2.drm.DefaultDrmSessionManager;
...@@ -73,6 +74,7 @@ public class SimpleExoPlayer ...@@ -73,6 +74,7 @@ public class SimpleExoPlayer
private final ComponentListener componentListener; private final ComponentListener componentListener;
private final CopyOnWriteArraySet<com.google.android.exoplayer2.video.VideoListener> private final CopyOnWriteArraySet<com.google.android.exoplayer2.video.VideoListener>
videoListeners; videoListeners;
private final CopyOnWriteArraySet<AudioListener> audioListeners;
private final CopyOnWriteArraySet<TextOutput> textOutputs; private final CopyOnWriteArraySet<TextOutput> textOutputs;
private final CopyOnWriteArraySet<MetadataOutput> metadataOutputs; private final CopyOnWriteArraySet<MetadataOutput> metadataOutputs;
private final CopyOnWriteArraySet<VideoRendererEventListener> videoDebugListeners; private final CopyOnWriteArraySet<VideoRendererEventListener> videoDebugListeners;
...@@ -185,6 +187,7 @@ public class SimpleExoPlayer ...@@ -185,6 +187,7 @@ public class SimpleExoPlayer
Looper looper) { Looper looper) {
componentListener = new ComponentListener(); componentListener = new ComponentListener();
videoListeners = new CopyOnWriteArraySet<>(); videoListeners = new CopyOnWriteArraySet<>();
audioListeners = new CopyOnWriteArraySet<>();
textOutputs = new CopyOnWriteArraySet<>(); textOutputs = new CopyOnWriteArraySet<>();
metadataOutputs = new CopyOnWriteArraySet<>(); metadataOutputs = new CopyOnWriteArraySet<>();
videoDebugListeners = new CopyOnWriteArraySet<>(); videoDebugListeners = new CopyOnWriteArraySet<>();
...@@ -213,6 +216,7 @@ public class SimpleExoPlayer ...@@ -213,6 +216,7 @@ public class SimpleExoPlayer
videoDebugListeners.add(analyticsCollector); videoDebugListeners.add(analyticsCollector);
videoListeners.add(analyticsCollector); videoListeners.add(analyticsCollector);
audioDebugListeners.add(analyticsCollector); audioDebugListeners.add(analyticsCollector);
audioListeners.add(analyticsCollector);
addMetadataOutput(analyticsCollector); addMetadataOutput(analyticsCollector);
if (drmSessionManager instanceof DefaultDrmSessionManager) { if (drmSessionManager instanceof DefaultDrmSessionManager) {
((DefaultDrmSessionManager) drmSessionManager).addListener(eventHandler, analyticsCollector); ((DefaultDrmSessionManager) drmSessionManager).addListener(eventHandler, analyticsCollector);
...@@ -351,7 +355,20 @@ public class SimpleExoPlayer ...@@ -351,7 +355,20 @@ public class SimpleExoPlayer
} }
@Override @Override
public void addAudioListener(AudioListener listener) {
audioListeners.add(listener);
}
@Override
public void removeAudioListener(AudioListener listener) {
audioListeners.remove(listener);
}
@Override
public void setAudioAttributes(AudioAttributes audioAttributes) { public void setAudioAttributes(AudioAttributes audioAttributes) {
if (Util.areEqual(this.audioAttributes, audioAttributes)) {
return;
}
this.audioAttributes = audioAttributes; this.audioAttributes = audioAttributes;
for (Renderer renderer : renderers) { for (Renderer renderer : renderers) {
if (renderer.getTrackType() == C.TRACK_TYPE_AUDIO) { if (renderer.getTrackType() == C.TRACK_TYPE_AUDIO) {
...@@ -362,6 +379,9 @@ public class SimpleExoPlayer ...@@ -362,6 +379,9 @@ public class SimpleExoPlayer
.send(); .send();
} }
} }
for (AudioListener audioListener : audioListeners) {
audioListener.onAudioAttributesChanged(audioAttributes);
}
} }
@Override @Override
...@@ -376,12 +396,19 @@ public class SimpleExoPlayer ...@@ -376,12 +396,19 @@ public class SimpleExoPlayer
@Override @Override
public void setVolume(float audioVolume) { public void setVolume(float audioVolume) {
audioVolume = Util.constrainValue(audioVolume, /* min= */ 0, /* max= */ 1);
if (this.audioVolume == audioVolume) {
return;
}
this.audioVolume = audioVolume; this.audioVolume = audioVolume;
for (Renderer renderer : renderers) { for (Renderer renderer : renderers) {
if (renderer.getTrackType() == C.TRACK_TYPE_AUDIO) { if (renderer.getTrackType() == C.TRACK_TYPE_AUDIO) {
player.createMessage(renderer).setType(C.MSG_SET_VOLUME).setPayload(audioVolume).send(); player.createMessage(renderer).setType(C.MSG_SET_VOLUME).setPayload(audioVolume).send();
} }
} }
for (AudioListener audioListener : audioListeners) {
audioListener.onVolumeChanged(audioVolume);
}
} }
@Override @Override
...@@ -1075,8 +1102,8 @@ public class SimpleExoPlayer ...@@ -1075,8 +1102,8 @@ public class SimpleExoPlayer
public void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees, public void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees,
float pixelWidthHeightRatio) { float pixelWidthHeightRatio) {
for (com.google.android.exoplayer2.video.VideoListener videoListener : videoListeners) { for (com.google.android.exoplayer2.video.VideoListener videoListener : videoListeners) {
// Prevent duplicate notification if a listener is both a VideoRendererDebugListener and // Prevent duplicate notification if a listener is both a VideoRendererEventListener and
// VideoListener as they have the same method signature. // a VideoListener, as they have the same method signature.
if (!videoDebugListeners.contains(videoListener)) { if (!videoDebugListeners.contains(videoListener)) {
videoListener.onVideoSizeChanged( videoListener.onVideoSizeChanged(
width, height, unappliedRotationDegrees, pixelWidthHeightRatio); width, height, unappliedRotationDegrees, pixelWidthHeightRatio);
...@@ -1121,7 +1148,17 @@ public class SimpleExoPlayer ...@@ -1121,7 +1148,17 @@ public class SimpleExoPlayer
@Override @Override
public void onAudioSessionId(int sessionId) { public void onAudioSessionId(int sessionId) {
if (audioSessionId == sessionId) {
return;
}
audioSessionId = sessionId; audioSessionId = sessionId;
for (AudioListener audioListener : audioListeners) {
// Prevent duplicate notification if a listener is both a AudioRendererEventListener and
// a AudioListener, as they have the same method signature.
if (!audioDebugListeners.contains(audioListener)) {
audioListener.onAudioSessionId(sessionId);
}
}
for (AudioRendererEventListener audioDebugListener : audioDebugListeners) { for (AudioRendererEventListener audioDebugListener : audioDebugListeners) {
audioDebugListener.onAudioSessionId(sessionId); audioDebugListener.onAudioSessionId(sessionId);
} }
......
library/core/src/main/java/com/google/android/exoplayer2/analytics/AnalyticsCollector.java
...@@ -26,6 +26,8 @@ import com.google.android.exoplayer2.Timeline; ...@@ -26,6 +26,8 @@ import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.Timeline.Period; import com.google.android.exoplayer2.Timeline.Period;
import com.google.android.exoplayer2.Timeline.Window; import com.google.android.exoplayer2.Timeline.Window;
import com.google.android.exoplayer2.analytics.AnalyticsListener.EventTime; import com.google.android.exoplayer2.analytics.AnalyticsListener.EventTime;
import com.google.android.exoplayer2.audio.AudioAttributes;
import com.google.android.exoplayer2.audio.AudioListener;
import com.google.android.exoplayer2.audio.AudioRendererEventListener; import com.google.android.exoplayer2.audio.AudioRendererEventListener;
import com.google.android.exoplayer2.decoder.DecoderCounters; import com.google.android.exoplayer2.decoder.DecoderCounters;
import com.google.android.exoplayer2.drm.DefaultDrmSessionEventListener; import com.google.android.exoplayer2.drm.DefaultDrmSessionEventListener;
...@@ -60,7 +62,8 @@ public class AnalyticsCollector ...@@ -60,7 +62,8 @@ public class AnalyticsCollector
MediaSourceEventListener, MediaSourceEventListener,
BandwidthMeter.EventListener, BandwidthMeter.EventListener,
DefaultDrmSessionEventListener, DefaultDrmSessionEventListener,
VideoListener { VideoListener,
AudioListener {
/** Factory for an analytics collector. */ /** Factory for an analytics collector. */
public static class Factory { public static class Factory {
...@@ -182,14 +185,6 @@ public class AnalyticsCollector ...@@ -182,14 +185,6 @@ public class AnalyticsCollector
} }
@Override @Override
public final void onAudioSessionId(int audioSessionId) {
EventTime eventTime = generateReadingMediaPeriodEventTime();
for (AnalyticsListener listener : listeners) {
listener.onAudioSessionId(eventTime, audioSessionId);
}
}
@Override
public final void onAudioDecoderInitialized( public final void onAudioDecoderInitialized(
String decoderName, long initializedTimestampMs, long initializationDurationMs) { String decoderName, long initializedTimestampMs, long initializationDurationMs) {
EventTime eventTime = generateReadingMediaPeriodEventTime(); EventTime eventTime = generateReadingMediaPeriodEventTime();
...@@ -226,6 +221,32 @@ public class AnalyticsCollector ...@@ -226,6 +221,32 @@ public class AnalyticsCollector
} }
} }
// AudioListener implementation.
@Override
public final void onAudioSessionId(int audioSessionId) {
EventTime eventTime = generateReadingMediaPeriodEventTime();
for (AnalyticsListener listener : listeners) {
listener.onAudioSessionId(eventTime, audioSessionId);
}
}
@Override
public void onAudioAttributesChanged(AudioAttributes audioAttributes) {
EventTime eventTime = generateReadingMediaPeriodEventTime();
for (AnalyticsListener listener : listeners) {
listener.onAudioAttributesChanged(eventTime, audioAttributes);
}
}
@Override
public void onVolumeChanged(float audioVolume) {
EventTime eventTime = generateReadingMediaPeriodEventTime();
for (AnalyticsListener listener : listeners) {
listener.onVolumeChanged(eventTime, audioVolume);
}
}
// VideoRendererEventListener implementation. // VideoRendererEventListener implementation.
@Override @Override
...@@ -264,16 +285,6 @@ public class AnalyticsCollector ...@@ -264,16 +285,6 @@ public class AnalyticsCollector
} }
@Override @Override
public final void onVideoSizeChanged(
int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio) {
EventTime eventTime = generateReadingMediaPeriodEventTime();
for (AnalyticsListener listener : listeners) {
listener.onVideoSizeChanged(
eventTime, width, height, unappliedRotationDegrees, pixelWidthHeightRatio);
}
}
@Override
public final void onVideoDisabled(DecoderCounters counters) { public final void onVideoDisabled(DecoderCounters counters) {
// The renderers are disabled after we changed the playing media period on the playback thread // The renderers are disabled after we changed the playing media period on the playback thread
// but before this change is reported to the app thread. // but before this change is reported to the app thread.
...@@ -294,8 +305,13 @@ public class AnalyticsCollector ...@@ -294,8 +305,13 @@ public class AnalyticsCollector
// VideoListener implementation. // VideoListener implementation.
@Override @Override
public final void onRenderedFirstFrame() { public final void onVideoSizeChanged(
// Do nothing. Already reported in VideoRendererEventListener.onRenderedFirstFrame. int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio) {
EventTime eventTime = generateReadingMediaPeriodEventTime();
for (AnalyticsListener listener : listeners) {
listener.onVideoSizeChanged(
eventTime, width, height, unappliedRotationDegrees, pixelWidthHeightRatio);
}
} }
@Override @Override
...@@ -306,6 +322,11 @@ public class AnalyticsCollector ...@@ -306,6 +322,11 @@ public class AnalyticsCollector
} }
} }
@Override
public final void onRenderedFirstFrame() {
// Do nothing. Already reported in VideoRendererEventListener.onRenderedFirstFrame.
}
// MediaSourceEventListener implementation. // MediaSourceEventListener implementation.
@Override @Override
......
library/core/src/main/java/com/google/android/exoplayer2/analytics/AnalyticsListener.java
...@@ -25,6 +25,7 @@ import com.google.android.exoplayer2.Player; ...@@ -25,6 +25,7 @@ import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.Player.DiscontinuityReason; import com.google.android.exoplayer2.Player.DiscontinuityReason;
import com.google.android.exoplayer2.Player.TimelineChangeReason; import com.google.android.exoplayer2.Player.TimelineChangeReason;
import com.google.android.exoplayer2.Timeline; import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.audio.AudioAttributes;
import com.google.android.exoplayer2.audio.AudioSink; import com.google.android.exoplayer2.audio.AudioSink;
import com.google.android.exoplayer2.decoder.DecoderCounters; import com.google.android.exoplayer2.decoder.DecoderCounters;
import com.google.android.exoplayer2.metadata.Metadata; import com.google.android.exoplayer2.metadata.Metadata;
...@@ -380,6 +381,22 @@ public interface AnalyticsListener { ...@@ -380,6 +381,22 @@ public interface AnalyticsListener {
default void onAudioSessionId(EventTime eventTime, int audioSessionId) {} default void onAudioSessionId(EventTime eventTime, int audioSessionId) {}
/** /**
* Called when the audio attributes change.
*
* @param eventTime The event time.
* @param audioAttributes The audio attributes.
*/
default void onAudioAttributesChanged(EventTime eventTime, AudioAttributes audioAttributes) {}
/**
* Called when the volume changes.
*
* @param eventTime The event time.
* @param volume The new volume, with 0 being silence and 1 being unity gain.
*/
default void onVolumeChanged(EventTime eventTime, float volume) {}
/**
* Called when an audio underrun occurred. * Called when an audio underrun occurred.
* *
* @param eventTime The event time. * @param eventTime The event time.
......
library/core/src/main/java/com/google/android/exoplayer2/audio/AudioListener.java 0 → 100644
/*
* Copyright (C) 2018 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.google.android.exoplayer2.audio;
/** A listener for changes in audio configuration. */
public interface AudioListener {
/**
* Called when the audio session is set.
*
* @param audioSessionId The audio session id.
*/
default void onAudioSessionId(int audioSessionId) {}
/**
* Called when the audio attributes change.
*
* @param audioAttributes The audio attributes.
*/
default void onAudioAttributesChanged(AudioAttributes audioAttributes) {}
/**
* Called when the volume changes.
*
* @param volume The new volume, with 0 being silence and 1 being unity gain.
*/
default void onVolumeChanged(float volume) {}
}
library/core/src/main/java/com/google/android/exoplayer2/video/VideoListener.java
...@@ -34,8 +34,8 @@ public interface VideoListener { ...@@ -34,8 +34,8 @@ public interface VideoListener {
* square pixels this will be equal to 1.0. Different values are indicative of anamorphic * square pixels this will be equal to 1.0. Different values are indicative of anamorphic
* content. * content.
*/ */
void onVideoSizeChanged( default void onVideoSizeChanged(
int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio); int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio) {}
/** /**
* Called each time there's a change in the size of the surface onto which the video is being * Called each time there's a change in the size of the surface onto which the video is being
...@@ -54,5 +54,5 @@ public interface VideoListener { ...@@ -54,5 +54,5 @@ public interface VideoListener {
* Called when a frame is rendered for the first time since setting the surface, and when a frame * Called when a frame is rendered for the first time since setting the surface, and when a frame
* is rendered for the first time since a video track was selected. * is rendered for the first time since a video track was selected.
*/ */
void onRenderedFirstFrame(); default void onRenderedFirstFrame() {}
} }
library/core/src/test/java/com/google/android/exoplayer2/analytics/AnalyticsCollectorTest.java
...@@ -822,7 +822,7 @@ public final class AnalyticsCollectorTest { ...@@ -822,7 +822,7 @@ public final class AnalyticsCollectorTest {
@Override @Override
protected void onBufferRead() { protected void onBufferRead() {
if (!notifiedAudioSessionId) { if (!notifiedAudioSessionId) {
eventDispatcher.audioSessionId(/* audioSessionId= */ 0); eventDispatcher.audioSessionId(/* audioSessionId= */ 1);
notifiedAudioSessionId = true; notifiedAudioSessionId = true;
} }
} }
......
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