Complete frontend APIs (e65b686c) · Commits · e / os / android_frameworks_base

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

+43 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,9 @@ public final class Tuner implements AutoCloseable {
		*/
		private native Frontend nativeOpenFrontendById(int id);
		private native int nativeTune(int type, FrontendSettings settings);
		private native int nativeStopTune();
		private native int nativeSetLnb(int lnbId);
		private native int nativeSetLna(boolean enable);

		private native Filter nativeOpenFilter(int type, int subType, int bufferSize);

		@@ -256,6 +259,46 @@ public final class Tuner implements AutoCloseable {
		return nativeTune(settings.getType(), settings);
		}

		/**
		* Stops a previous tuning.
		*
		* If the method completes successfully the frontend is no longer tuned and no data
		* will be sent to attached filters.
		*
		* @return result status of the operation.
		* @hide
		*/
		public int stopTune() {
		return nativeStopTune();
		}

		/**
		* Sets Low-Noise Block downconverter (LNB) for satellite frontend.
		*
		* This assigns a hardware LNB resource to the satellite tuner. It can be
		* called multiple times to update LNB assignment.
		*
		* @param lnb the LNB instance.
		*
		* @return result status of the operation.
		* @hide
		*/
		public int setLnb(@NonNull Lnb lnb) {
		return nativeSetLnb(lnb.mId);
		}

		/**
		* Enable or Disable Low Noise Amplifier (LNA).
		*
		* @param enable true to activate LNA module; false to deactivate LNA
		*
		* @return result status of the operation.
		* @hide
		*/
		public int setLna(boolean enable) {
		return nativeSetLna(enable);
		}

		private List<Integer> getFrontendIds() {
		mFrontendIds = nativeGetFrontendIds();
		return mFrontendIds;

+15 −0

Original line number	Diff line number	Diff line
		@@ -600,6 +600,18 @@ static int android_media_tv_Tuner_tune(JNIEnv *env, jobject thiz, jint type, job
		return tuner->tune(getFrontendSettings(env, type, settings));
		}

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

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

		static int android_media_tv_Tuner_set_lna(JNIEnv, jobject, jint, jboolean) {
		return 0;
		}

		static jobject android_media_tv_Tuner_get_lnb_ids(JNIEnv *env, jobject thiz) {
		sp<JTuner> tuner = getTuner(env, thiz);
		return tuner->getLnbIds();
		@@ -850,6 +862,9 @@ static const JNINativeMethod gTunerMethods[] = {
		(void *)android_media_tv_Tuner_open_frontend_by_id },
		{ "nativeTune", "(ILandroid/media/tv/tuner/FrontendSettings;)I",
		(void *)android_media_tv_Tuner_tune },
		{ "nativeStopTune", "()I", (void *)android_media_tv_Tuner_stop_tune },
		{ "nativeSetLnb", "(I)I", (void *)android_media_tv_Tuner_set_lnb },
		{ "nativeSetLna", "(Z)I", (void *)android_media_tv_Tuner_set_lna },
		{ "nativeOpenFilter", "(III)Landroid/media/tv/tuner/Tuner$Filter;",
		(void *)android_media_tv_Tuner_open_filter },
		{ "nativeGetLnbIds", "()Ljava/util/List;",