CasInfo
class CasInfo
| kotlin.Any | |
| ↳ | android.media.MediaExtractor.CasInfo |
Describes the conditional access system used to scramble a track.
Summary
| Public methods | |
|---|---|
| ByteArray? |
Retrieves the private data in the CA_Descriptor associated with a track. |
| MediaCas.Session! |
Retrieves the |
| Int |
Retrieves the system id of the conditional access system. |
Public methods
getPrivateData
fun getPrivateData(): ByteArray?
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.
| Return | |
|---|---|
ByteArray? |
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). |
getSession
fun getSession(): MediaCas.Session!
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.
| Return | |
|---|---|
MediaCas.Session! |
a MediaCas.Session object associated with a track. |
getSystemId
fun getSystemId(): Int
Retrieves the system id of the conditional access system.
| Return | |
|---|---|
Int |
CA system id of the CAS used to scramble the track. |