Complete descrambler APIs (99c8992a) · Commits · e / os / android_frameworks_base

media/java/android/media/tv/tuner/Tuner.java

+62 −7

Original line number	Diff line number	Diff line
		@@ -429,26 +429,81 @@ public final class Tuner implements AutoCloseable {
		* <p> Descrambler is a hardware component used to descramble data.
		*
		* <p> This class controls the TIS interaction with Tuner HAL.
		*
		* TODO: make it static and extends Closable.
		*/
		public class Descrambler {
		private long mNativeContext;

		private native boolean nativeAddPid(int pidType, int pid, Filter filter);
		private native boolean nativeRemovePid(int pidType, int pid, Filter filter);
		private native int nativeAddPid(int pidType, int pid, Filter filter);
		private native int nativeRemovePid(int pidType, int pid, Filter filter);
		private native int nativeSetKeyToken(byte[] keyToken);
		private native int nativeClose();

		private Descrambler() {}

		/** @hide */
		public boolean addPid(@DemuxPidType int pidType, int pid, Filter filter) {
		/**
		* Add packets' PID to the descrambler for descrambling.
		*
		* The descrambler will start descrambling packets with this PID. Multiple PIDs can be added
		* into one descrambler instance because descambling can happen simultaneously on packets
		* from different PIDs.
		*
		* If the Descrambler previously contained a filter for the PID, the old filter is replaced
		* by the specified filter.
		*
		* @param pidType the type of the PID.
		* @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) {
		return nativeAddPid(pidType, pid, filter);
		}

		/** @hide */
		public boolean removePid(@DemuxPidType int pidType, int pid, Filter filter) {
		/**
		* Remove packets' PID from the descrambler
		*
		* The descrambler will stop descrambling packets with this PID.
		*
		* @param pidType the type of the PID.
		* @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) {
		return nativeRemovePid(pidType, pid, filter);
		}

		/**
		* Set a key token to link descrambler to a key slot
		*
		* A descrambler instance can have only one key slot to link, but a key slot can hold a few
		* keys for different purposes.
		*
		* @param keyToken the token to be used to link the key slot.
		* @return result status of the operation.
		*
		* @hide
		*/
		public int setKeyToken(byte[] keyToken) {
		return nativeSetKeyToken(keyToken);
		}

		/**
		* Release the descrambler instance.
		*
		* @return result status of the operation.
		*
		* @hide
		*/
		public int close() {
		return nativeClose();
		}

		}

		/**

media/jni/android_media_tv_Tuner.cpp

+16 −6

Original line number	Diff line number	Diff line
		@@ -769,7 +769,7 @@ static jobject android_media_tv_Tuner_open_descrambler(JNIEnv *env, jobject thiz
		return tuner->openDescrambler();
		}

		static bool android_media_tv_Tuner_add_pid(
		static int android_media_tv_Tuner_add_pid(
		JNIEnv *env, jobject descrambler, jint pidType, jint pid, jobject filter) {
		sp<IDescrambler> descramblerSp = getDescrambler(env, descrambler);
		if (descramblerSp == NULL) {
		@@ -777,10 +777,10 @@ static bool android_media_tv_Tuner_add_pid(
		}
		sp<IFilter> filterSp = getFilter(env, filter)->getIFilter();
		Result result = descramblerSp->addPid(getDemuxPid((int)pidType, (int)pid), filterSp);
		return result == Result::SUCCESS;
		return (int)result;
		}

		static bool android_media_tv_Tuner_remove_pid(
		static int android_media_tv_Tuner_remove_pid(
		JNIEnv *env, jobject descrambler, jint pidType, jint pid, jobject filter) {
		sp<IDescrambler> descramblerSp = getDescrambler(env, descrambler);
		if (descramblerSp == NULL) {
		@@ -788,7 +788,15 @@ static bool android_media_tv_Tuner_remove_pid(
		}
		sp<IFilter> filterSp = getFilter(env, filter)->getIFilter();
		Result result = descramblerSp->removePid(getDemuxPid((int)pidType, (int)pid), filterSp);
		return result == Result::SUCCESS;
		return (int)result;
		}

		static int android_media_tv_Tuner_set_key_token(JNIEnv, jobject, jbyteArray) {
		return 0;
		}

		static int android_media_tv_Tuner_close_descrambler(JNIEnv, jobject) {
		return 0;
		}

		static jobject android_media_tv_Tuner_open_dvr(JNIEnv *env, jobject thiz, jint type, jint bufferSize) {
		@@ -887,10 +895,12 @@ static const JNINativeMethod gFilterMethods[] = {
		};

		static const JNINativeMethod gDescramblerMethods[] = {
		{ "nativeAddPid", "(IILandroid/media/tv/tuner/Tuner$Filter;)Z",
		{ "nativeAddPid", "(IILandroid/media/tv/tuner/Tuner$Filter;)I",
		(void *)android_media_tv_Tuner_add_pid },
		{ "nativeRemovePid", "(IILandroid/media/tv/tuner/Tuner$Filter;)Z",
		{ "nativeRemovePid", "(IILandroid/media/tv/tuner/Tuner$Filter;)I",
		(void *)android_media_tv_Tuner_remove_pid },
		{ "nativeSetKeyToken", "([B)I", (void *)android_media_tv_Tuner_set_key_token },
		{ "nativeClose", "()V", (void *)android_media_tv_Tuner_close_descrambler },
		};

		static const JNINativeMethod gDvrMethods[] = {