HLS

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// Create a player instance.
ExoPlayer player = new ExoPlayer.Builder(context).build();
// Set the media item to be played.
player.setMediaItem(MediaItem.fromUri(hlsUri));
// Prepare the player.
player.prepare();

// Create a data source factory.
DataSource.Factory dataSourceFactory = new DefaultHttpDataSource.Factory();
// Create a HLS media source pointing to a playlist uri.
HlsMediaSource hlsMediaSource =
    new HlsMediaSource.Factory(dataSourceFactory).createMediaSource(MediaItem.fromUri(hlsUri));
// Create a player instance.
ExoPlayer player = new ExoPlayer.Builder(context).build();
// Set the HLS media source as the playlist with a single media item.
player.setMediaSource(hlsMediaSource);
// Prepare the player.
player.prepare();

player.addListener(
    new Player.Listener() {
      @Override
      public void onTimelineChanged(
          Timeline timeline, @Player.TimelineChangeReason int reason) {
        Object manifest = player.getCurrentManifest();
        if (manifest != null) {
          HlsManifest hlsManifest = (HlsManifest) manifest;
          // Do something with the manifest.
        }
      }
    });

hlsInterstitialsAdsLoader = new HlsInterstitialsAdsLoader(context);
// Create a MediaSource.Factory for HLS streams with interstitials.
MediaSource.Factory hlsMediaSourceFactory =
      new HlsInterstitialsAdsLoader.AdsMediaSourceFactory(
          hlsInterstitialsAdsLoader, playerView, new DefaultMediaSourceFactory(context));

// Build player with interstitials media source factory
player =
    new ExoPlayer.Builder(context)
        .setMediaSourceFactory(hlsMediaSourceFactory)
        .build();

// Set the player on the ads loader.
hlsInterstitialsAdsLoader.setPlayer(player);
playerView.setPlayer(player);

player.setMediaItem(
    new MediaItem.Builder()
        .setUri("https://www.example.com/media.m3u8")
        .setAdsConfiguration(
            new AdsConfiguration.Builder(Uri.parse("hls://interstitials"))
                .setAdsId("ad-tag-0") // must be unique within playlist
                .build())
        .build());
player.prepare();
player.play();

HlsInterstitialsAdsLoader hlsInterstitialsAdsLoader = new HlsInterstitialsAdsLoader(context);
// Create a MediaSource.Factory for HLS streams with interstitials.
MediaSource.Factory hlsMediaSourceFactory =
    new HlsInterstitialsAdsLoader.AdsMediaSourceFactory(
      hlsInterstitialsAdsLoader, playerView, context);

// Build player with default media source factory.
player = new ExoPlayer.Builder(context).build();

// Create an media source from an HLS media item with ads configuration.
MediaSource mediaSource =
    hlsMediaSourceFactory.createMediaSource(
      new MediaItem.Builder()
        .setUri("https://www.example.com/media.m3u8")
        .setAdsConfiguration(
            new MediaItem.AdsConfiguration.Builder(Uri.parse("hls://interstitials"))
                .setAdsId("ad-tag-0")
                .build())
        .build());

// Set the media source on the player.
exoPlayer.setMediaSource(mediaSource);
exoPlayer.prepare();
exoPlayer.play();

private class AdsLoaderListener
    implements HlsInterstitialsAdsLoader.Listener {

  // implement HlsInterstitialsAdsLoader.Listener

  @Override
  public void onStart(MediaItem mediaItem, Object adsId, AdViewProvider adViewProvider) {
    // Do something when HLS media item with interstitials is started.
  }

  @Override
  public void onMetadata(
      MediaItem mediaItem,
      Object adsId,
      int adGroupIndex,
      int adIndexInAdGroup,
      Metadata metadata) {
    // Do something with metadata that is emitted by the ad media source of the given ad.
  }

  @Override
  public void onAdCompleted(
      MediaItem mediaItem, Object adsId, int adGroupIndex, int adIndexInAdGroup) {
    // Do something when ad completed playback.
  }

  // ... See JavaDoc for further callbacks of HlsInterstitialsAdsLoader.Listener.

  @Override
  public void onStop(MediaItem mediaItem, Object adsId, AdPlaybackState adPlaybackState) {
    // Do something with the resulting ad playback state when stopped.
  }
}

AdsLoaderListener listener = new AdsLoaderListener();
// Add the listener to the ads loader to receive ad loader events.
hlsInterstitialsAdsLoader.addListener(listener);

// Create the ads loader instance (for example onCreate).
hlsInterstitialsAdsLoader = new HlsInterstitialsAdsLoader(context);

// Build a player and set it on the ads loader (for example onStart).
player = new ExoPlayer.Builder(context).build();
hlsInterstitialsAdsLoader.setPlayer(player);

// Release the player and unset it on the ads loader (for example onStop).
player.release();
hlsInterstitialsAdsLoader.setPlayer(null);

// Build another player and set it on the ads loader (for example onStart).
player = new ExoPlayer.Builder(context).build();
hlsInterstitialsAdsLoader.setPlayer(player);

// Release the player and unset it on the ads loader (for example onStop).
player.release();
hlsInterstitialsAdsLoader.setPlayer(null);

// Release the ads loader when not used anymore  (for example onDestroy).
hlsInterstitialsAdsLoader.release();

HlsMediaSource hlsMediaSource =
    new HlsMediaSource.Factory(dataSourceFactory)
        .setAllowChunklessPreparation(false)
        .createMediaSource(MediaItem.fromUri(hlsUri));