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Add AdPlaybackStateUpdater

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PiperOrigin-RevId: 416314200
This commit is contained in:
bachinger 2021-12-14 16:46:57 +00:00 committed by tonihei
parent cdc0e2e618
commit 51237e8aef
2 changed files with 41 additions and 13 deletions
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35
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/source/ads/ServerSideAdInsertionMediaSource.java
View File

@ -82,10 +82,32 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
public final class ServerSideAdInsertionMediaSource extends BaseMediaSource
implements MediaSource.MediaSourceCaller, MediaSourceEventListener, DrmSessionEventListener {
/**
* Receives ad playback state update requests when the {@link Timeline} of the content media
* source has changed.
*/
public interface AdPlaybackStateUpdater {
/**
* Called when the content source has refreshed the timeline.
*
* <p>If true is returned the source refresh publication is deferred, to wait for an {@link
* #setAdPlaybackState(AdPlaybackState) ad playback state update}. If false is returned, the
* source refresh is immediately published.
*
* <p>Called on the playback thread.
*
* @param contentTimeline The {@link Timeline} of the wrapped content media source.
* @return true to defer the source refresh publication, or false to immediately publish the
* source refresh.
*/
boolean onAdPlaybackStateUpdateRequested(Timeline contentTimeline);
}
private final MediaSource mediaSource;
private final ListMultimap<Long, SharedMediaPeriod> mediaPeriods;
private final MediaSourceEventListener.EventDispatcher mediaSourceEventDispatcherWithoutId;
private final DrmSessionEventListener.EventDispatcher drmEventDispatcherWithoutId;
@Nullable private final AdPlaybackStateUpdater adPlaybackStateUpdater;
@GuardedBy("this")
@Nullable
@ -99,11 +121,15 @@ public final class ServerSideAdInsertionMediaSource extends BaseMediaSource
* Creates the media source.
*
* @param mediaSource The {@link MediaSource} to wrap.
* @param adPlaybackStateUpdater The optional {@link AdPlaybackStateUpdater} to be called before a
* source refresh is published.
*/
// Calling BaseMediaSource.createEventDispatcher from the constructor.
@SuppressWarnings("nullness:method.invocation")
public ServerSideAdInsertionMediaSource(MediaSource mediaSource) {
public ServerSideAdInsertionMediaSource(
MediaSource mediaSource, @Nullable AdPlaybackStateUpdater adPlaybackStateUpdater) {
this.mediaSource = mediaSource;
this.adPlaybackStateUpdater = adPlaybackStateUpdater;
mediaPeriods = ArrayListMultimap.create();
adPlaybackState = AdPlaybackState.NONE;
mediaSourceEventDispatcherWithoutId = createEventDispatcher(/* mediaPeriodId= */ null);
@ -193,10 +219,11 @@ public final class ServerSideAdInsertionMediaSource extends BaseMediaSource
@Override
public void onSourceInfoRefreshed(MediaSource source, Timeline timeline) {
this.contentTimeline = timeline;
if (AdPlaybackState.NONE.equals(adPlaybackState)) {
return;
if ((adPlaybackStateUpdater == null
|| !adPlaybackStateUpdater.onAdPlaybackStateUpdateRequested(timeline))
&& !AdPlaybackState.NONE.equals(adPlaybackState)) {
refreshSourceInfo(new ServerSideAdInsertionTimeline(timeline, adPlaybackState));
}
refreshSourceInfo(new ServerSideAdInsertionTimeline(timeline, adPlaybackState));
}
@Override

19
libraries/exoplayer/src/test/java/androidx/media3/exoplayer/source/ads/ServerSideAdInsertionMediaSourceTest.java
View File

@ -82,7 +82,8 @@ public final class ServerSideAdInsertionMediaSourceTest {
/* windowOffsetInFirstPeriodUs= */ 42_000_000L,
AdPlaybackState.NONE));
ServerSideAdInsertionMediaSource mediaSource =
new ServerSideAdInsertionMediaSource(new FakeMediaSource(wrappedTimeline));
new ServerSideAdInsertionMediaSource(
new FakeMediaSource(wrappedTimeline), /* adPlaybackStateUpdater= */ null);
// Test with one ad group before the window, and the window starting within the second ad group.
AdPlaybackState adPlaybackState =
new AdPlaybackState(
@ -155,8 +156,8 @@ public final class ServerSideAdInsertionMediaSourceTest {
ServerSideAdInsertionMediaSource mediaSource =
new ServerSideAdInsertionMediaSource(
new DefaultMediaSourceFactory(context)
.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
new DefaultMediaSourceFactory(context).createMediaSource(MediaItem.fromUri(TEST_ASSET)),
/* adPlaybackStateUpdater= */ null);
AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
adPlaybackState =
addAdGroupToAdPlaybackState(
@ -214,8 +215,8 @@ public final class ServerSideAdInsertionMediaSourceTest {
ServerSideAdInsertionMediaSource mediaSource =
new ServerSideAdInsertionMediaSource(
new DefaultMediaSourceFactory(context)
.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
new DefaultMediaSourceFactory(context).createMediaSource(MediaItem.fromUri(TEST_ASSET)),
/* adPlaybackStateUpdater= */ null);
AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
adPlaybackState =
addAdGroupToAdPlaybackState(
@ -274,8 +275,8 @@ public final class ServerSideAdInsertionMediaSourceTest {
ServerSideAdInsertionMediaSource mediaSource =
new ServerSideAdInsertionMediaSource(
new DefaultMediaSourceFactory(context)
.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
new DefaultMediaSourceFactory(context).createMediaSource(MediaItem.fromUri(TEST_ASSET)),
/* adPlaybackStateUpdater= */ null);
AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
adPlaybackState =
addAdGroupToAdPlaybackState(
@ -328,8 +329,8 @@ public final class ServerSideAdInsertionMediaSourceTest {
ServerSideAdInsertionMediaSource mediaSource =
new ServerSideAdInsertionMediaSource(
new DefaultMediaSourceFactory(context)
.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
new DefaultMediaSourceFactory(context).createMediaSource(MediaItem.fromUri(TEST_ASSET)),
/* adPlaybackStateUpdater= */ null);
AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
adPlaybackState =
addAdGroupToAdPlaybackState(