Skip to content

Commit

Permalink
Support ad tag with default media source
Browse files Browse the repository at this point in the history 
This is the missing attribute to support all features of the Sample with MediaItem. Hence PlayerActivity can use the setMediaItems() method directly without creating actual media sources in the app code.

PiperOrigin-RevId: 307102036
  • Loading branch information
@marcbaechinger @ojw28
marcbaechinger authored and ojw28 committed Apr 20, 2020
1 parent 9937744 commit 8ea33e2
Show file tree
Hide file tree
Showing 8 changed files with 494 additions and 124 deletions.
177 changes: 87 additions & 90 deletions demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -45,10 +45,8 @@
import com.google.android.exoplayer2.offline.DownloadRequest;
import com.google.android.exoplayer2.source.BehindLiveWindowException;
import com.google.android.exoplayer2.source.DefaultMediaSourceFactory;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.source.ads.AdsLoader;
import com.google.android.exoplayer2.source.ads.AdsMediaSource;
import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo;
Expand All @@ -60,7 +58,6 @@
import com.google.android.exoplayer2.ui.PlayerView;
import com.google.android.exoplayer2.ui.spherical.SphericalGLSurfaceView;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.HttpDataSource;
import com.google.android.exoplayer2.util.Assertions;
import com.google.android.exoplayer2.util.ErrorMessageProvider;
import com.google.android.exoplayer2.util.EventLogger;
Expand Down Expand Up @@ -138,12 +135,11 @@ public class PlayerActivity extends AppCompatActivity

private DataSource.Factory dataSourceFactory;
private SimpleExoPlayer player;
private List<MediaSource> mediaSources;
private List<MediaItem> mediaItems;
private DefaultTrackSelector trackSelector;
private DefaultTrackSelector.Parameters trackSelectorParameters;
private DebugTextViewHelper debugViewHelper;
private TrackGroupArray lastSeenTrackGroupArray;
private DefaultMediaSourceFactory mediaSourceFactory;
private boolean startAutoPlay;
private int startWindow;
private long startPosition;
Expand All @@ -164,8 +160,6 @@ public void onCreate(Bundle savedInstanceState) {
}
super.onCreate(savedInstanceState);
dataSourceFactory = buildDataSourceFactory();
mediaSourceFactory =
DefaultMediaSourceFactory.newInstance(/* context= */ this, dataSourceFactory);
if (CookieHandler.getDefault() != DEFAULT_COOKIE_MANAGER) {
CookieHandler.setDefault(DEFAULT_COOKIE_MANAGER);
}
Expand Down Expand Up @@ -328,7 +322,7 @@ public void onClick(View view) {

@Override
public void preparePlayback() {
player.retry();
player.prepare();
}

// PlaybackControlView.VisibilityListener implementation
Expand All @@ -343,8 +337,8 @@ public void onVisibilityChange(int visibility) {
private void initializePlayer() {
if (player == null) {
Intent intent = getIntent();
mediaSources = createTopLevelMediaSources(intent);
if (mediaSources.isEmpty()) {
mediaItems = createMediaItems(intent);
if (mediaItems.isEmpty()) {
return;
}
TrackSelection.Factory trackSelectionFactory;
Expand All @@ -370,6 +364,9 @@ private void initializePlayer() {

player =
new SimpleExoPlayer.Builder(/* context= */ this, renderersFactory)
.setMediaSourceFactory(
new DefaultMediaSourceFactory(
/* context= */ this, dataSourceFactory, new AdSupportProvider()))
.setTrackSelector(trackSelector)
.build();
player.addListener(new PlayerEventListener());
Expand All @@ -380,20 +377,17 @@ private void initializePlayer() {
playerView.setPlaybackPreparer(this);
debugViewHelper = new DebugTextViewHelper(player, debugTextView);
debugViewHelper.start();
if (adsLoader != null) {
adsLoader.setPlayer(player);
}
}
boolean haveStartPosition = startWindow != C.INDEX_UNSET;
if (haveStartPosition) {
player.seekTo(startWindow, startPosition);
}
player.setMediaSources(mediaSources, /* resetPosition= */ !haveStartPosition);
player.setMediaItems(mediaItems, /* resetPosition= */ !haveStartPosition);
player.prepare();
updateButtonVisibility();
}

private List<MediaSource> createTopLevelMediaSources(Intent intent) {
private List<MediaItem> createMediaItems(Intent intent) {
String action = intent.getAction();
boolean actionIsListView = ACTION_VIEW_LIST.equals(action);
if (!actionIsListView && !ACTION_VIEW.equals(action)) {
Expand All @@ -408,11 +402,23 @@ private List<MediaSource> createTopLevelMediaSources(Intent intent) {
? ((Sample.PlaylistSample) intentAsSample).children
: new UriSample[] {(UriSample) intentAsSample};

List<MediaSource> mediaSources = new ArrayList<>();
Uri adTagUri = null;
List<MediaItem> mediaItems = new ArrayList<>();
boolean hasAds = false;
for (UriSample sample : samples) {
MediaItem mediaItem = sample.toMediaItem();
Assertions.checkNotNull(mediaItem.playbackProperties);
DownloadRequest downloadRequest =
((DemoApplication) getApplication())
.getDownloadTracker()
.getDownloadRequest(Assertions.checkNotNull(mediaItem.playbackProperties).sourceUri);
if (downloadRequest != null) {
mediaItem =
mediaItem
.buildUpon()
.setStreamKeys(downloadRequest.streamKeys)
.setCustomCacheKey(downloadRequest.customCacheKey)
.build();
}

if (!Util.checkCleartextTrafficPermitted(mediaItem)) {
showToast(R.string.error_cleartext_not_permitted);
return Collections.emptyList();
Expand All @@ -421,67 +427,27 @@ private List<MediaSource> createTopLevelMediaSources(Intent intent) {
// The player will be reinitialized if the permission is granted.
return Collections.emptyList();
}
MediaSource mediaSource = createLeafMediaSource(mediaItem);
if (mediaSource != null) {
adTagUri = sample.adTagUri;
mediaSources.add(mediaSource);
}
}

if (adTagUri == null) {
releaseAdsLoader();
} else if (mediaSources.size() == 1) {
if (!adTagUri.equals(loadedAdTagUri)) {
releaseAdsLoader();
loadedAdTagUri = adTagUri;
}
MediaSource adsMediaSource = createAdsMediaSource(mediaSources.get(0), adTagUri);
if (adsMediaSource != null) {
mediaSources.set(0, adsMediaSource);
} else {
showToast(R.string.ima_not_loaded);
}
} else if (mediaSources.size() > 1) {
showToast(R.string.unsupported_ads_in_concatenation);
releaseAdsLoader();
}

return mediaSources;
}

@Nullable
private MediaSource createLeafMediaSource(MediaItem mediaItem) {
Assertions.checkNotNull(mediaItem.playbackProperties);
HttpDataSource.Factory drmDataSourceFactory = null;
if (mediaItem.playbackProperties.drmConfiguration != null) {
if (Util.SDK_INT < 18) {
showToast(R.string.error_drm_unsupported_before_api_18);
finish();
return null;
} else if (!MediaDrm.isCryptoSchemeSupported(
mediaItem.playbackProperties.drmConfiguration.uuid)) {
showToast(R.string.error_drm_unsupported_scheme);
finish();
return null;
MediaItem.DrmConfiguration drmConfiguration =
Assertions.checkNotNull(mediaItem.playbackProperties).drmConfiguration;
if (drmConfiguration != null) {
if (Util.SDK_INT < 18) {
showToast(R.string.error_drm_unsupported_before_api_18);
finish();
return Collections.emptyList();
} else if (!MediaDrm.isCryptoSchemeSupported(drmConfiguration.uuid)) {
showToast(R.string.error_drm_unsupported_scheme);
finish();
return Collections.emptyList();
}
}
drmDataSourceFactory = ((DemoApplication) getApplication()).buildHttpDataSourceFactory();
hasAds |= mediaItem.playbackProperties.adTagUri != null;
mediaItems.add(mediaItem);
}

DownloadRequest downloadRequest =
((DemoApplication) getApplication())
.getDownloadTracker()
.getDownloadRequest(mediaItem.playbackProperties.sourceUri);
if (downloadRequest != null) {
mediaItem =
mediaItem
.buildUpon()
.setStreamKeys(downloadRequest.streamKeys)
.setCustomCacheKey(downloadRequest.customCacheKey)
.build();
if (!hasAds) {
releaseAdsLoader();
}
return mediaSourceFactory
.setDrmHttpDataSourceFactory(drmDataSourceFactory)
.createMediaSource(mediaItem);
return mediaItems;
}

private void releasePlayer() {
Expand All @@ -492,7 +458,7 @@ private void releasePlayer() {
debugViewHelper = null;
player.release();
player = null;
mediaSources = Collections.emptyList();
mediaItems = Collections.emptyList();
trackSelector = null;
}
if (adsLoader != null) {
Expand Down Expand Up @@ -534,24 +500,23 @@ private DataSource.Factory buildDataSourceFactory() {
return ((DemoApplication) getApplication()).buildDataSourceFactory();
}

/** Returns an ads media source, reusing the ads loader if one exists. */
/**
* Returns an ads loader for the Interactive Media Ads SDK if found in the classpath, or null
* otherwise.
*/
@Nullable
private MediaSource createAdsMediaSource(MediaSource mediaSource, Uri adTagUri) {
private AdsLoader createAdsLoader(Uri adTagUri) {
// Load the extension source using reflection so the demo app doesn't have to depend on it.
// The ads loader is reused for multiple playbacks, so that ad playback can resume.
try {
Class<?> loaderClass = Class.forName("com.google.android.exoplayer2.ext.ima.ImaAdsLoader");
if (adsLoader == null) {
// Full class names used so the lint rule triggers should any of the classes move.
// LINT.IfChange
Constructor<? extends AdsLoader> loaderConstructor =
loaderClass
.asSubclass(AdsLoader.class)
.getConstructor(android.content.Context.class, android.net.Uri.class);
// LINT.ThenChange(../../../../../../../../proguard-rules.txt)
adsLoader = loaderConstructor.newInstance(this, adTagUri);
}
return new AdsMediaSource(mediaSource, mediaSourceFactory, adsLoader, playerView);
// Full class names used so the lint rule triggers should any of the classes move.
// LINT.IfChange
Constructor<? extends AdsLoader> loaderConstructor =
loaderClass
.asSubclass(AdsLoader.class)
.getConstructor(android.content.Context.class, android.net.Uri.class);
// LINT.ThenChange(../../../../../../../../proguard-rules.txt)
return loaderConstructor.newInstance(this, adTagUri);
} catch (ClassNotFoundException e) {
// IMA extension not loaded.
return null;
Expand Down Expand Up @@ -670,4 +635,36 @@ public Pair<Integer, String> getErrorMessage(@NonNull ExoPlaybackException e) {
return Pair.create(0, errorString);
}
}

private class AdSupportProvider implements DefaultMediaSourceFactory.AdSupportProvider {

@Nullable
@Override
public AdsLoader getAdsLoader(Uri adTagUri) {
if (mediaItems.size() > 1) {
showToast(R.string.unsupported_ads_in_concatenation);
releaseAdsLoader();
return null;
}
if (!adTagUri.equals(loadedAdTagUri)) {
releaseAdsLoader();
loadedAdTagUri = adTagUri;
}
if (adsLoader == null) {
// The ads loader is reused for multiple playbacks, so that ad playback can resume.
adsLoader = createAdsLoader(adTagUri);
if (adsLoader != null) {
adsLoader.setPlayer(player);
} else {
showToast(R.string.ima_not_loaded);
}
}
return adsLoader;
}

@Override
public AdsLoader.AdViewProvider getAdViewProvider() {
return Assertions.checkNotNull(playerView);
}
}
}
7 changes: 5 additions & 2 deletions demos/main/src/main/java/com/google/android/exoplayer2/demo/Sample.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -146,8 +146,11 @@ private void addPlayerConfigToIntent(Intent intent, String extrasKeySuffix) {
}

public MediaItem toMediaItem() {
MediaItem.Builder builder = new MediaItem.Builder().setSourceUri(uri);
builder.setMimeType(inferAdaptiveStreamMimeType(uri, extension));
MediaItem.Builder builder =
new MediaItem.Builder()
.setSourceUri(uri)
.setMimeType(inferAdaptiveStreamMimeType(uri, extension))
.setAdTagUri(adTagUri);
if (drmInfo != null) {
Map<String, String> headers = new HashMap<>();
if (drmInfo.drmKeyRequestProperties != null) {
Expand Down

0 comments on commit 8ea33e2

Please sign in to comment.