Java Code Examples for com.google.android.exoplayer2.trackselection.DefaultTrackSelector#ParametersBuilder

/**
 * Convenience method to add selections of tracks for all specified audio languages. If an audio
 * track in one of the specified languages is not available, the default fallback audio track is
 * used instead. Must not be called until after preparation completes.
 *
 * @param languages A list of audio languages for which tracks should be added to the download
 *     selection, as IETF BCP 47 conformant tags.
 */
public void addAudioLanguagesToSelection(String... languages) {
  assertPreparedWithMedia();
  for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
    DefaultTrackSelector.ParametersBuilder parametersBuilder =
        DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_CONTEXT.buildUpon();
    MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
      if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_AUDIO) {
        parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */ true);
      }
    }
    for (String language : languages) {
      parametersBuilder.setPreferredAudioLanguage(language);
      addTrackSelection(periodIndex, parametersBuilder.build());
    }
  }
}
 

/**
 * Convenience method to add selections of tracks for all specified text languages. Must not be
 * called until after preparation completes.
 *
 * @param selectUndeterminedTextLanguage Whether a text track with undetermined language should be
 *     selected for downloading if no track with one of the specified {@code languages} is
 *     available.
 * @param languages A list of text languages for which tracks should be added to the download
 *     selection, as IETF BCP 47 conformant tags.
 */
public void addTextLanguagesToSelection(
    boolean selectUndeterminedTextLanguage, String... languages) {
  assertPreparedWithMedia();
  for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
    DefaultTrackSelector.ParametersBuilder parametersBuilder =
        DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_CONTEXT.buildUpon();
    MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
      if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_TEXT) {
        parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */ true);
      }
    }
    parametersBuilder.setSelectUndeterminedTextLanguage(selectUndeterminedTextLanguage);
    for (String language : languages) {
      parametersBuilder.setPreferredTextLanguage(language);
      addTrackSelection(periodIndex, parametersBuilder.build());
    }
  }
}
 

/**
 * Convenience method to add a selection of tracks to be downloaded for a single renderer. Must
 * not be called until after preparation completes.
 *
 * @param periodIndex The period index the track selection is added for.
 * @param rendererIndex The renderer index the track selection is added for.
 * @param trackSelectorParameters The {@link DefaultTrackSelector.Parameters} to obtain the new
 *     selection of tracks.
 * @param overrides A list of {@link SelectionOverride SelectionOverrides} to apply to the {@code
 *     trackSelectorParameters}. If empty, {@code trackSelectorParameters} are used as they are.
 */
public void addTrackSelectionForSingleRenderer(
    int periodIndex,
    int rendererIndex,
    DefaultTrackSelector.Parameters trackSelectorParameters,
    List<SelectionOverride> overrides) {
  assertPreparedWithMedia();
  DefaultTrackSelector.ParametersBuilder builder = trackSelectorParameters.buildUpon();
  for (int i = 0; i < mappedTrackInfos[periodIndex].getRendererCount(); i++) {
    builder.setRendererDisabled(/* rendererIndex= */ i, /* disabled= */ i != rendererIndex);
  }
  if (overrides.isEmpty()) {
    addTrackSelection(periodIndex, builder.build());
  } else {
    TrackGroupArray trackGroupArray = mappedTrackInfos[periodIndex].getTrackGroups(rendererIndex);
    for (int i = 0; i < overrides.size(); i++) {
      builder.setSelectionOverride(rendererIndex, trackGroupArray, overrides.get(i));
      addTrackSelection(periodIndex, builder.build());
    }
  }
}
 

@Override
    public void onClick(DialogInterface dialog, int which) {

        DefaultTrackSelector.ParametersBuilder parametersBuilder = DEFAULT_TRACK_SELECTOR_PARAMETERS.buildUpon();

        MappedTrackInfo mappedTrackInfo = this.trackInfo;

        int rendererCount = trackInfo.getRendererCount();
        for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
            if (trackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_TEXT) {
                parametersBuilder.setRendererDisabled(rendererIndex, true);
            }
            if (override != null) {
                parametersBuilder.setSelectionOverride(rendererIndex, trackGroups, override);
            } else {
                parametersBuilder.clearSelectionOverrides(rendererIndex);
            }
        }
        // @TODO fix this
//    mappedTrackInfo.setParameters(parametersBuilder.build());

    }
 

public void setRendererEnabled(@NonNull RendererType type, boolean enabled) {
    MappingTrackSelector.MappedTrackInfo mappedTrackInfo = trackSelector.getCurrentMappedTrackInfo();
    ExoPlayerRendererTracksInfo tracksInfo = getExoPlayerTracksInfo(type, 0, mappedTrackInfo);
    if (!tracksInfo.rendererTrackIndexes.isEmpty()) {
        boolean enabledSomething = false;
        DefaultTrackSelector.ParametersBuilder parametersBuilder = trackSelector.buildUponParameters();
        for (int rendererTrackIndex : tracksInfo.rendererTrackIndexes) {
            if (enabled) {
                DefaultTrackSelector.SelectionOverride selectionOverride = trackSelector.getParameters().getSelectionOverride(rendererTrackIndex, mappedTrackInfo.getTrackGroups(rendererTrackIndex));
                // check whether the renderer has been selected before
                // other renderers should be kept disabled to avoid playback errors
                if (selectionOverride != null) {
                    parametersBuilder.setRendererDisabled(rendererTrackIndex, false);
                    enabledSomething = true;
                }
            } else {
                parametersBuilder.setRendererDisabled(rendererTrackIndex, true);
            }
        }
        if (enabled && !enabledSomething) {
            // if nothing has been enabled enable the first sequential renderer
            parametersBuilder.setRendererDisabled(tracksInfo.rendererTrackIndexes.get(0), false);
        }
        trackSelector.setParameters(parametersBuilder);
    }
}
 

/**
 * Convenience method to add selections of tracks for all specified audio languages. If an audio
 * track in one of the specified languages is not available, the default fallback audio track is
 * used instead. Must not be called until after preparation completes.
 *
 * @param languages A list of audio languages for which tracks should be added to the download
 *     selection, as IETF BCP 47 conformant tags.
 */
public void addAudioLanguagesToSelection(String... languages) {
  assertPreparedWithMedia();
  for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
    DefaultTrackSelector.ParametersBuilder parametersBuilder =
        DEFAULT_TRACK_SELECTOR_PARAMETERS.buildUpon();
    MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
      if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_AUDIO) {
        parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */ true);
      }
    }
    for (String language : languages) {
      parametersBuilder.setPreferredAudioLanguage(language);
      addTrackSelection(periodIndex, parametersBuilder.build());
    }
  }
}
 

/**
 * Convenience method to add selections of tracks for all specified text languages. Must not be
 * called until after preparation completes.
 *
 * @param selectUndeterminedTextLanguage Whether a text track with undetermined language should be
 *     selected for downloading if no track with one of the specified {@code languages} is
 *     available.
 * @param languages A list of text languages for which tracks should be added to the download
 *     selection, as IETF BCP 47 conformant tags.
 */
public void addTextLanguagesToSelection(
    boolean selectUndeterminedTextLanguage, String... languages) {
  assertPreparedWithMedia();
  for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
    DefaultTrackSelector.ParametersBuilder parametersBuilder =
        DEFAULT_TRACK_SELECTOR_PARAMETERS.buildUpon();
    MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
      if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_TEXT) {
        parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */ true);
      }
    }
    parametersBuilder.setSelectUndeterminedTextLanguage(selectUndeterminedTextLanguage);
    for (String language : languages) {
      parametersBuilder.setPreferredTextLanguage(language);
      addTrackSelection(periodIndex, parametersBuilder.build());
    }
  }
}
 

/**
 * Convenience method to add a selection of tracks to be downloaded for a single renderer. Must
 * not be called until after preparation completes.
 *
 * @param periodIndex The period index the track selection is added for.
 * @param rendererIndex The renderer index the track selection is added for.
 * @param trackSelectorParameters The {@link DefaultTrackSelector.Parameters} to obtain the new
 *     selection of tracks.
 * @param overrides A list of {@link SelectionOverride SelectionOverrides} to apply to the {@code
 *     trackSelectorParameters}. If empty, {@code trackSelectorParameters} are used as they are.
 */
public void addTrackSelectionForSingleRenderer(
    int periodIndex,
    int rendererIndex,
    DefaultTrackSelector.Parameters trackSelectorParameters,
    List<SelectionOverride> overrides) {
  assertPreparedWithMedia();
  DefaultTrackSelector.ParametersBuilder builder = trackSelectorParameters.buildUpon();
  for (int i = 0; i < mappedTrackInfos[periodIndex].getRendererCount(); i++) {
    builder.setRendererDisabled(/* rendererIndex= */ i, /* disabled= */ i != rendererIndex);
  }
  if (overrides.isEmpty()) {
    addTrackSelection(periodIndex, builder.build());
  } else {
    TrackGroupArray trackGroupArray = mappedTrackInfos[periodIndex].getTrackGroups(rendererIndex);
    for (int i = 0; i < overrides.size(); i++) {
      builder.setSelectionOverride(rendererIndex, trackGroupArray, overrides.get(i));
      addTrackSelection(periodIndex, builder.build());
    }
  }
}
 

/**
 * Convenience method to add selections of tracks for all specified audio languages. If an audio
 * track in one of the specified languages is not available, the default fallback audio track is
 * used instead. Must not be called until after preparation completes.
 *
 * @param languages A list of audio languages for which tracks should be added to the download
 *     selection, as IETF BCP 47 conformant tags.
 */
public void addAudioLanguagesToSelection(String... languages) {
  assertPreparedWithMedia();
  for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
    DefaultTrackSelector.ParametersBuilder parametersBuilder =
        DEFAULT_TRACK_SELECTOR_PARAMETERS.buildUpon();
    MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
      if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_AUDIO) {
        parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */ true);
      }
    }
    for (String language : languages) {
      parametersBuilder.setPreferredAudioLanguage(language);
      addTrackSelection(periodIndex, parametersBuilder.build());
    }
  }
}
 

/**
 * Convenience method to add selections of tracks for all specified text languages. Must not be
 * called until after preparation completes.
 *
 * @param selectUndeterminedTextLanguage Whether a text track with undetermined language should be
 *     selected for downloading if no track with one of the specified {@code languages} is
 *     available.
 * @param languages A list of text languages for which tracks should be added to the download
 *     selection, as IETF BCP 47 conformant tags.
 */
public void addTextLanguagesToSelection(
    boolean selectUndeterminedTextLanguage, String... languages) {
  assertPreparedWithMedia();
  for (int periodIndex = 0; periodIndex < mappedTrackInfos.length; periodIndex++) {
    DefaultTrackSelector.ParametersBuilder parametersBuilder =
        DEFAULT_TRACK_SELECTOR_PARAMETERS.buildUpon();
    MappedTrackInfo mappedTrackInfo = mappedTrackInfos[periodIndex];
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
      if (mappedTrackInfo.getRendererType(rendererIndex) != C.TRACK_TYPE_TEXT) {
        parametersBuilder.setRendererDisabled(rendererIndex, /* disabled= */ true);
      }
    }
    parametersBuilder.setSelectUndeterminedTextLanguage(selectUndeterminedTextLanguage);
    for (String language : languages) {
      parametersBuilder.setPreferredTextLanguage(language);
      addTrackSelection(periodIndex, parametersBuilder.build());
    }
  }
}
 

/**
 * Convenience method to add a selection of tracks to be downloaded for a single renderer. Must
 * not be called until after preparation completes.
 *
 * @param periodIndex The period index the track selection is added for.
 * @param rendererIndex The renderer index the track selection is added for.
 * @param trackSelectorParameters The {@link DefaultTrackSelector.Parameters} to obtain the new
 *     selection of tracks.
 * @param overrides A list of {@link SelectionOverride SelectionOverrides} to apply to the {@code
 *     trackSelectorParameters}. If empty, {@code trackSelectorParameters} are used as they are.
 */
public void addTrackSelectionForSingleRenderer(
    int periodIndex,
    int rendererIndex,
    DefaultTrackSelector.Parameters trackSelectorParameters,
    List<SelectionOverride> overrides) {
  assertPreparedWithMedia();
  DefaultTrackSelector.ParametersBuilder builder = trackSelectorParameters.buildUpon();
  for (int i = 0; i < mappedTrackInfos[periodIndex].getRendererCount(); i++) {
    builder.setRendererDisabled(/* rendererIndex= */ i, /* disabled= */ i != rendererIndex);
  }
  if (overrides.isEmpty()) {
    addTrackSelection(periodIndex, builder.build());
  } else {
    TrackGroupArray trackGroupArray = mappedTrackInfos[periodIndex].getTrackGroups(rendererIndex);
    for (int i = 0; i < overrides.size(); i++) {
      builder.setSelectionOverride(rendererIndex, trackGroupArray, overrides.get(i));
      addTrackSelection(periodIndex, builder.build());
    }
  }
}
 

/**
 * Clear all selected tracks for the specified renderer and re-enable all renderers so the player can select the default track.
 *
 * @param type The renderer type
 */
public void clearSelectedTracks(@NonNull RendererType type) {
    // Retrieves the available tracks
    MappingTrackSelector.MappedTrackInfo mappedTrackInfo = trackSelector.getCurrentMappedTrackInfo();
    ExoPlayerRendererTracksInfo tracksInfo = getExoPlayerTracksInfo(type, 0, mappedTrackInfo);
    DefaultTrackSelector.ParametersBuilder parametersBuilder = trackSelector.buildUponParameters();

    for (int rendererTrackIndex : tracksInfo.rendererTrackIndexes) {
        // Reset all renderers re-enabling so the player can select the streams default track.
        parametersBuilder.setRendererDisabled(rendererTrackIndex, false)
                .clearSelectionOverrides(rendererTrackIndex);
    }
    trackSelector.setParameters(parametersBuilder);
}