Package com.castlabs.android.player

Class TrackTypeProvider

java.lang.Object
com.castlabs.android.player.TrackTypeProvider
Direct Known Subclasses:
DefaultTrackTypeProvider
public abstract class TrackTypeProvider extends Object
The implementations of this interface should provide the track types, track group types and their weights according to some desired model. This is to facilitate the merging video tracks algorithm when the video merging option PlayerSDK.MERGE_VIDEO_TRACKS or SdkConsts.INTENT_MERGE_VIDEO_TRACKS is enabled. The type weights are used to assign scores to tracks and track groups and then to select the default track group having the highest score. For instance, the video tracks could be defined to have the following types: SD and HD. Then, having three input track groups with track types SD, SD-HD and HD will result in two merged video tracks: SD + HD and SD-HD. The default video track with the highest score will then be selected.
Since:
4.0.7

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    TYPE_UNDEFINED
    Defines the unknown or not applicable track or track group type.

  • Constructor Summary

    Constructors
    Constructor
    Description
    TrackTypeProvider()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    abstract int
    getGroupType(int type1, int type2)
    Gets the track group type by provided track or track group types.
    abstract int
    getTrackType(com.google.android.exoplayer2.Format format)
    Defines the type of the track with the provided format.
    abstract float
    getTrackTypeWeight(int type)
    Defines the weight of the provided track.
    abstract boolean
    typesOverlap(int type1, int type2)
    Returns true if the types overlap otherwise false.

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • TYPE_UNDEFINED

      public static final int TYPE_UNDEFINED
      Defines the unknown or not applicable track or track group type.
      See Also:

  • Constructor Details

    • TrackTypeProvider

      public TrackTypeProvider()

  • Method Details

    • getTrackType

      public abstract int getTrackType(@NonNull com.google.android.exoplayer2.Format format)
      Defines the type of the track with the provided format. The type itself could be defined as one of the int bits set.
      Parameters:
      format - The track format
      Returns:
      The track type or TYPE_UNDEFINED

    • getTrackTypeWeight

      public abstract float getTrackTypeWeight(int type)
      Defines the weight of the provided track. The value should be normalized to 0f .. 1.0f
      Parameters:
      type - The track or track group type
      Returns:
      The normalized to 0f .. 1.0f weight

    • getGroupType

      public abstract int getGroupType(int type1, int type2)
      Gets the track group type by provided track or track group types. In case the track types are defined as bit-sets then the implementation here would be just logical OR of the track group and track types.
      Parameters:
      type1 - The track or track group type one
      type2 - The track or track group type two
      Returns:
      The track group type

    • typesOverlap

      public abstract boolean typesOverlap(int type1, int type2)
      Returns true if the types overlap otherwise false. In case the track types are defined as bit-sets then the implementation here would be just logical AND of the track group and track types.
      Parameters:
      type1 - The track or track group type one
      type2 - The track or track group type two
      Returns:
      True if the types overlap otherwise false