Java Code Examples for com.google.android.exoplayer2.RendererCapabilities#supportsFormat()

/**
 * Finds the renderer to which the provided {@link TrackGroup} should be mapped.
 * <p>
 * A {@link TrackGroup} is mapped to the renderer that reports the highest of (listed in
 * decreasing order of support) {@link RendererCapabilities#FORMAT_HANDLED},
 * {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES},
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_DRM} and
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE}. In the case that two or more renderers
 * report the same level of support, the renderer with the lowest index is associated.
 * <p>
 * If all renderers report {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} for all of the
 * tracks in the group, then {@code renderers.length} is returned to indicate that the group was
 * not mapped to any renderer.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
 * @param group The track group to map to a renderer.
 * @return The index of the renderer to which the track group was mapped, or
 *     {@code renderers.length} if it was not mapped to any renderer.
 * @throws ExoPlaybackException If an error occurs finding a renderer.
 */
private static int findRenderer(RendererCapabilities[] rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int bestRendererIndex = rendererCapabilities.length;
  int bestFormatSupportLevel = RendererCapabilities.FORMAT_UNSUPPORTED_TYPE;
  for (int rendererIndex = 0; rendererIndex < rendererCapabilities.length; rendererIndex++) {
    RendererCapabilities rendererCapability = rendererCapabilities[rendererIndex];
    for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
      int formatSupportLevel = rendererCapability.supportsFormat(group.getFormat(trackIndex))
          & RendererCapabilities.FORMAT_SUPPORT_MASK;
      if (formatSupportLevel > bestFormatSupportLevel) {
        bestRendererIndex = rendererIndex;
        bestFormatSupportLevel = formatSupportLevel;
        if (bestFormatSupportLevel == RendererCapabilities.FORMAT_HANDLED) {
          // We can't do better.
          return bestRendererIndex;
        }
      }
    }
  }
  return bestRendererIndex;
}
 

/**
 * Finds the renderer to which the provided {@link TrackGroup} should be mapped.
 * <p>
 * A {@link TrackGroup} is mapped to the renderer that reports the highest of (listed in
 * decreasing order of support) {@link RendererCapabilities#FORMAT_HANDLED},
 * {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES},
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_DRM} and
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE}. In the case that two or more renderers
 * report the same level of support, the renderer with the lowest index is associated.
 * <p>
 * If all renderers report {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} for all of the
 * tracks in the group, then {@code renderers.length} is returned to indicate that the group was
 * not mapped to any renderer.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
 * @param group The track group to map to a renderer.
 * @return The index of the renderer to which the track group was mapped, or
 *     {@code renderers.length} if it was not mapped to any renderer.
 * @throws ExoPlaybackException If an error occurs finding a renderer.
 */
private static int findRenderer(RendererCapabilities[] rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int bestRendererIndex = rendererCapabilities.length;
  int bestFormatSupportLevel = RendererCapabilities.FORMAT_UNSUPPORTED_TYPE;
  for (int rendererIndex = 0; rendererIndex < rendererCapabilities.length; rendererIndex++) {
    RendererCapabilities rendererCapability = rendererCapabilities[rendererIndex];
    for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
      int formatSupportLevel = rendererCapability.supportsFormat(group.getFormat(trackIndex))
          & RendererCapabilities.FORMAT_SUPPORT_MASK;
      if (formatSupportLevel > bestFormatSupportLevel) {
        bestRendererIndex = rendererIndex;
        bestFormatSupportLevel = formatSupportLevel;
        if (bestFormatSupportLevel == RendererCapabilities.FORMAT_HANDLED) {
          // We can't do better.
          return bestRendererIndex;
        }
      }
    }
  }
  return bestRendererIndex;
}
 

/**
 * Finds the renderer to which the provided {@link TrackGroup} should be associated.
 * <p>
 * A {@link TrackGroup} is associated to a renderer that reports
 * {@link RendererCapabilities#FORMAT_HANDLED} support for one or more of the tracks in the group,
 * or {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES} if no such renderer exists, or
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE} if again no such renderer exists. In
 * the case that two or more renderers report the same level of support, the renderer with the
 * lowest index is associated.
 * <p>
 * If all renderers report {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} for all of the
 * tracks in the group, then {@code renderers.length} is returned to indicate that no association
 * was made.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
 * @param group The {@link TrackGroup} whose associated renderer is to be found.
 * @return The index of the associated renderer, or {@code renderers.length} if no
 *     association was made.
 * @throws ExoPlaybackException If an error occurs finding a renderer.
 */
private static int findRenderer(RendererCapabilities[] rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int bestRendererIndex = rendererCapabilities.length;
  int bestFormatSupportLevel = RendererCapabilities.FORMAT_UNSUPPORTED_TYPE;
  for (int rendererIndex = 0; rendererIndex < rendererCapabilities.length; rendererIndex++) {
    RendererCapabilities rendererCapability = rendererCapabilities[rendererIndex];
    for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
      int formatSupportLevel = rendererCapability.supportsFormat(group.getFormat(trackIndex))
          & RendererCapabilities.FORMAT_SUPPORT_MASK;
      if (formatSupportLevel > bestFormatSupportLevel) {
        bestRendererIndex = rendererIndex;
        bestFormatSupportLevel = formatSupportLevel;
        if (bestFormatSupportLevel == RendererCapabilities.FORMAT_HANDLED) {
          // We can't do better.
          return bestRendererIndex;
        }
      }
    }
  }
  return bestRendererIndex;
}
 

/**
 * Finds the renderer to which the provided {@link TrackGroup} should be mapped.
 * <p>
 * A {@link TrackGroup} is mapped to the renderer that reports the highest of (listed in
 * decreasing order of support) {@link RendererCapabilities#FORMAT_HANDLED},
 * {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES},
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_DRM} and
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE}. In the case that two or more renderers
 * report the same level of support, the renderer with the lowest index is associated.
 * <p>
 * If all renderers report {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} for all of the
 * tracks in the group, then {@code renderers.length} is returned to indicate that the group was
 * not mapped to any renderer.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
 * @param group The track group to map to a renderer.
 * @return The index of the renderer to which the track group was mapped, or
 *     {@code renderers.length} if it was not mapped to any renderer.
 * @throws ExoPlaybackException If an error occurs finding a renderer.
 */
private static int findRenderer(RendererCapabilities[] rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int bestRendererIndex = rendererCapabilities.length;
  int bestFormatSupportLevel = RendererCapabilities.FORMAT_UNSUPPORTED_TYPE;
  for (int rendererIndex = 0; rendererIndex < rendererCapabilities.length; rendererIndex++) {
    RendererCapabilities rendererCapability = rendererCapabilities[rendererIndex];
    for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
      int formatSupportLevel = rendererCapability.supportsFormat(group.getFormat(trackIndex))
          & RendererCapabilities.FORMAT_SUPPORT_MASK;
      if (formatSupportLevel > bestFormatSupportLevel) {
        bestRendererIndex = rendererIndex;
        bestFormatSupportLevel = formatSupportLevel;
        if (bestFormatSupportLevel == RendererCapabilities.FORMAT_HANDLED) {
          // We can't do better.
          return bestRendererIndex;
        }
      }
    }
  }
  return bestRendererIndex;
}
 

/**
 * Finds the renderer to which the provided {@link TrackGroup} should be mapped.
 * <p>
 * A {@link TrackGroup} is mapped to the renderer that reports the highest of (listed in
 * decreasing order of support) {@link RendererCapabilities#FORMAT_HANDLED},
 * {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES},
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_DRM} and
 * {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE}. In the case that two or more renderers
 * report the same level of support, the renderer with the lowest index is associated.
 * <p>
 * If all renderers report {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} for all of the
 * tracks in the group, then {@code renderers.length} is returned to indicate that the group was
 * not mapped to any renderer.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
 * @param group The track group to map to a renderer.
 * @return The index of the renderer to which the track group was mapped, or
 *     {@code renderers.length} if it was not mapped to any renderer.
 * @throws ExoPlaybackException If an error occurs finding a renderer.
 */
private static int findRenderer(RendererCapabilities[] rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int bestRendererIndex = rendererCapabilities.length;
  int bestFormatSupportLevel = RendererCapabilities.FORMAT_UNSUPPORTED_TYPE;
  for (int rendererIndex = 0; rendererIndex < rendererCapabilities.length; rendererIndex++) {
    RendererCapabilities rendererCapability = rendererCapabilities[rendererIndex];
    for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
      int formatSupportLevel = rendererCapability.supportsFormat(group.getFormat(trackIndex))
          & RendererCapabilities.FORMAT_SUPPORT_MASK;
      if (formatSupportLevel > bestFormatSupportLevel) {
        bestRendererIndex = rendererIndex;
        bestFormatSupportLevel = formatSupportLevel;
        if (bestFormatSupportLevel == RendererCapabilities.FORMAT_HANDLED) {
          // We can't do better.
          return bestRendererIndex;
        }
      }
    }
  }
  return bestRendererIndex;
}
 

/**
 * Calls {@link RendererCapabilities#supportsFormat} for each track in the specified {@link
 * TrackGroup}, returning the results in an array.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
 * @param group The track group to evaluate.
 * @return An array containing {@link Capabilities} for each track in the group.
 * @throws ExoPlaybackException If an error occurs determining the format support.
 */
@Capabilities
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  @Capabilities int[] formatSupport = new int[group.length];
  for (int i = 0; i < group.length; i++) {
    formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
  }
  return formatSupport;
}
 

/**
 * Calls {@link RendererCapabilities#supportsFormat} for each track in the specified
 * {@link TrackGroup}, returning the results in an array.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
 * @param group The track group to evaluate.
 * @return An array containing the result of calling
 *     {@link RendererCapabilities#supportsFormat} for each track in the group.
 * @throws ExoPlaybackException If an error occurs determining the format support.
 */
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int[] formatSupport = new int[group.length];
  for (int i = 0; i < group.length; i++) {
    formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
  }
  return formatSupport;
}
 

/**
 * Calls {@link RendererCapabilities#supportsFormat} for each track in the specified
 * {@link TrackGroup}, returning the results in an array.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
 * @param group The track group to evaluate.
 * @return An array containing the result of calling
 *     {@link RendererCapabilities#supportsFormat} for each track in the group.
 * @throws ExoPlaybackException If an error occurs determining the format support.
 */
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int[] formatSupport = new int[group.length];
  for (int i = 0; i < group.length; i++) {
    formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
  }
  return formatSupport;
}
 

/**
 * Calls {@link RendererCapabilities#supportsFormat} for each track in the specified
 * {@link TrackGroup}, returning the results in an array.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
 * @param group The {@link TrackGroup} to evaluate.
 * @return An array containing the result of calling
 *     {@link RendererCapabilities#supportsFormat} for each track in the group.
 * @throws ExoPlaybackException If an error occurs determining the format support.
 */
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int[] formatSupport = new int[group.length];
  for (int i = 0; i < group.length; i++) {
    formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
  }
  return formatSupport;
}
 

/**
 * Calls {@link RendererCapabilities#supportsFormat} for each track in the specified
 * {@link TrackGroup}, returning the results in an array.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
 * @param group The track group to evaluate.
 * @return An array containing the result of calling
 *     {@link RendererCapabilities#supportsFormat} for each track in the group.
 * @throws ExoPlaybackException If an error occurs determining the format support.
 */
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int[] formatSupport = new int[group.length];
  for (int i = 0; i < group.length; i++) {
    formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
  }
  return formatSupport;
}
 

/**
 * Calls {@link RendererCapabilities#supportsFormat} for each track in the specified
 * {@link TrackGroup}, returning the results in an array.
 *
 * @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
 * @param group The track group to evaluate.
 * @return An array containing the result of calling
 *     {@link RendererCapabilities#supportsFormat} for each track in the group.
 * @throws ExoPlaybackException If an error occurs determining the format support.
 */
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
    throws ExoPlaybackException {
  int[] formatSupport = new int[group.length];
  for (int i = 0; i < group.length; i++) {
    formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
  }
  return formatSupport;
}