Added in API level 26

MediaExtractor.CasInfo

public static final class MediaExtractor.CasInfo
extends Object

java.lang.Object
   ↳ android.media.MediaExtractor.CasInfo


Describes the conditional access system used to scramble a track.

Summary

Public methods

byte[] getPrivateData()

Retrieves the private data in the CA_Descriptor associated with a track.

MediaCas.Session getSession()

Retrieves the MediaCas.Session associated with a track.

int getSystemId()

Retrieves the system id of the conditional access system.

Inherited methods

Public methods

getPrivateData

Added in API level 29
public byte[] getPrivateData ()

Retrieves the private data in the CA_Descriptor associated with a track. Some CAS systems may need this to initialize the CAS plugin object. This private data can only be retrieved before a valid MediaCas object is set on the extractor.

Returns
byte[] a byte array containing the private data. A null return value indicates that the private data is unavailable. An empty array, on the other hand, indicates that the private data is empty (zero in length).

See also:

getSession

Added in API level 26
public MediaCas.Session getSession ()

Retrieves the MediaCas.Session associated with a track. The session is needed to initialize a descrambler in order to decode the scrambled track. The session object can only be retrieved after a valid MediaCas object is set on the extractor.

Returns
MediaCas.Session a MediaCas.Session object associated with a track.

getSystemId

Added in API level 26
public int getSystemId ()

Retrieves the system id of the conditional access system.

Returns
int CA system id of the CAS used to scramble the track.