Clean up Descrambler (332b04b5) · Commits · e / os / android_frameworks_base

media/java/android/media/tv/tuner/Descrambler.java

+23 −12

Original line number	Diff line number	Diff line
		@@ -16,9 +16,12 @@

		package android.media.tv.tuner;

		import android.annotation.IntDef;
		import android.annotation.Nullable;
		import android.media.tv.tuner.Tuner.Filter;
		import android.media.tv.tuner.TunerConstants.DemuxPidType;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		/**
		* This class is used to interact with descramblers.
		@@ -26,9 +29,25 @@ import android.media.tv.tuner.TunerConstants.DemuxPidType;
		* <p> Descrambler is a hardware component used to descramble data.
		*
		* <p> This class controls the TIS interaction with Tuner HAL.
		*
		* @hide
		*/
		public class Descrambler implements AutoCloseable {
		/** @hide */
		@IntDef(prefix = "PID_TYPE_", value = {PID_TYPE_T, PID_TYPE_MMPT})
		@Retention(RetentionPolicy.SOURCE)
		public @interface PidType {}

		/**
		* Packet ID is used to specify packets in transport stream.
		*/
		public static final int PID_TYPE_T = 1;
		/**
		* Packet ID is used to specify packets in MMTP.
		*/
		public static final int PID_TYPE_MMPT = 2;


		private long mNativeContext;

		private native int nativeAddPid(int pidType, int pid, Filter filter);
		@@ -52,10 +71,8 @@ public class Descrambler implements AutoCloseable {
		* @param pid the PID of packets to start to be descrambled.
		* @param filter an optional filter instance to identify upper stream.
		* @return result status of the operation.
		*
		* @hide
		*/
		public int addPid(@DemuxPidType int pidType, int pid, @Nullable Filter filter) {
		public int addPid(@PidType int pidType, int pid, @Nullable Filter filter) {
		return nativeAddPid(pidType, pid, filter);
		}

		@@ -68,10 +85,8 @@ public class Descrambler implements AutoCloseable {
		* @param pid the PID of packets to stop to be descrambled.
		* @param filter an optional filter instance to identify upper stream.
		* @return result status of the operation.
		*
		* @hide
		*/
		public int removePid(@DemuxPidType int pidType, int pid, @Nullable Filter filter) {
		public int removePid(@PidType int pidType, int pid, @Nullable Filter filter) {
		return nativeRemovePid(pidType, pid, filter);
		}

		@@ -83,17 +98,13 @@ public class Descrambler implements AutoCloseable {
		*
		* @param keyToken the token to be used to link the key slot.
		* @return result status of the operation.
		*
		* @hide
		*/
		public int setKeyToken(byte[] keyToken) {
		public int setKeyToken(@Nullable byte[] keyToken) {
		return nativeSetKeyToken(keyToken);
		}

		/**
		* Release the descrambler instance.
		*
		* @hide
		*/
		@Override
		public void close() {

media/java/android/media/tv/tuner/TunerConstants.java

+0 −10

Original line number	Diff line number	Diff line
		@@ -50,16 +50,6 @@ public final class TunerConstants {
		public static final int FRONTEND_EVENT_TYPE_LOST_LOCK = Constants.FrontendEventType.LOST_LOCK;


		/** @hide */
		@IntDef({DEMUX_T_PID, DEMUX_MMPT_PID})
		@Retention(RetentionPolicy.SOURCE)
		public @interface DemuxPidType {}
		/** @hide */
		public static final int DEMUX_T_PID = 1;
		/** @hide */
		public static final int DEMUX_MMPT_PID = 2;


		/** @hide */
		@IntDef({FILTER_SUBTYPE_UNDEFINED, FILTER_SUBTYPE_SECTION, FILTER_SUBTYPE_PES,
		FILTER_SUBTYPE_AUDIO, FILTER_SUBTYPE_VIDEO, FILTER_SUBTYPE_DOWNLOAD,