Add isLnaSupported API (7fd495d4) · Commits · e / os / android_frameworks_base

core/api/system-current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -7175,6 +7175,7 @@ package android.media.tv.tuner {
		method @NonNull public java.util.List<android.media.tv.tuner.frontend.FrontendStatusReadiness> getFrontendStatusReadiness(@NonNull int[]);
		method @IntRange(from=0xffffffff) public int getMaxNumberOfFrontends(int);
		method @RequiresPermission("android.permission.TUNER_RESOURCE_ACCESS") public boolean hasUnusedFrontend(int);
		method public boolean isLnaSupported();
		method public boolean isLowestPriority(int);
		method @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_TV_DESCRAMBLER) public android.media.tv.tuner.Descrambler openDescrambler();
		method @Nullable public android.media.tv.tuner.dvr.DvrPlayback openDvrPlayback(long, @NonNull java.util.concurrent.Executor, @NonNull android.media.tv.tuner.dvr.OnPlaybackStatusChangedListener);

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

+23 −1

Original line number	Diff line number	Diff line
		@@ -998,6 +998,7 @@ public class Tuner implements AutoCloseable {
		private native int nativeScan(int settingsType, FrontendSettings settings, int scanType);
		private native int nativeStopScan();
		private native int nativeSetLnb(Lnb lnb);
		private native boolean nativeIsLnaSupported();
		private native int nativeSetLna(boolean enable);
		private native FrontendStatus nativeGetFrontendStatus(int[] statusTypes);
		private native Integer nativeGetAvSyncHwId(Filter filter);
		@@ -1381,12 +1382,33 @@ public class Tuner implements AutoCloseable {
		}
		}

		/**
		* Is Low Noise Amplifier (LNA) supported by the Tuner.
		*
		* <p>This API is only supported by Tuner HAL 3.0 or higher.
		* Unsupported version would throw UnsupportedOperationException. Use
		* {@link TunerVersionChecker#getTunerVersion()} to check the version.
		*
		* @return {@code true} if supported, otherwise {@code false}.
		* @throws UnsupportedOperationException if the Tuner HAL version is lower than 3.0
		* @see android.media.tv.tuner.TunerVersionChecker#TUNER_VERSION_3_0
		*/
		public boolean isLnaSupported() {
		if (!TunerVersionChecker.checkHigherOrEqualVersionTo(
		TunerVersionChecker.TUNER_VERSION_3_0, "isLnaSupported")) {
		throw new UnsupportedOperationException("Tuner HAL version "
		+ TunerVersionChecker.getTunerVersion() + " doesn't support this method.");
		}
		return nativeIsLnaSupported();
		}

		/**
		* Enable or Disable Low Noise Amplifier (LNA).
		*
		* @param enable {@code true} to activate LNA module; {@code false} to deactivate LNA.
		*
		* @return result status of the operation.
		* @return result status of the operation. {@link #RESULT_UNAVAILABLE} if the device doesn't
		* support LNA.
		*/
		@Result
		public int setLnaEnabled(boolean enable) {

media/jni/android_media_tv_Tuner.cpp

+13 −0

Original line number	Diff line number	Diff line
		@@ -1785,6 +1785,13 @@ int JTuner::setLnb(sp<LnbClient> lnbClient) {
		return (int)result;
		}

		bool JTuner::isLnaSupported() {
		if (sTunerClient == nullptr) {
		return (int)Result::NOT_INITIALIZED;
		}
		return sTunerClient->isLnaSupported();
		}

		int JTuner::setLna(bool enable) {
		if (sTunerClient == nullptr) {
		return (int)Result::NOT_INITIALIZED;
		@@ -3482,6 +3489,11 @@ static int android_media_tv_Tuner_set_lnb(JNIEnv *env, jobject thiz, jobject lnb
		return tuner->setLnb(lnbClient);
		}

		static bool android_media_tv_Tuner_is_lna_supported(JNIEnv *env, jobject thiz) {
		sp<JTuner> tuner = getTuner(env, thiz);
		return tuner->isLnaSupported();
		}

		static int android_media_tv_Tuner_set_lna(JNIEnv *env, jobject thiz, jboolean enable) {
		sp<JTuner> tuner = getTuner(env, thiz);
		return tuner->setLna(enable);
		@@ -4730,6 +4742,7 @@ static const JNINativeMethod gTunerMethods[] = {
		(void *)android_media_tv_Tuner_scan },
		{ "nativeStopScan", "()I", (void *)android_media_tv_Tuner_stop_scan },
		{ "nativeSetLnb", "(Landroid/media/tv/tuner/Lnb;)I", (void *)android_media_tv_Tuner_set_lnb },
		{ "nativeIsLnaSupported", "()Z", (void *)android_media_tv_Tuner_is_lna_supported },
		{ "nativeSetLna", "(Z)I", (void *)android_media_tv_Tuner_set_lna },
		{ "nativeGetFrontendStatus", "([I)Landroid/media/tv/tuner/frontend/FrontendStatus;",
		(void *)android_media_tv_Tuner_get_frontend_status },

media/jni/android_media_tv_Tuner.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -189,6 +189,7 @@ struct JTuner : public RefBase {
		int scan(const FrontendSettings& settings, FrontendScanType scanType);
		int stopScan();
		int setLnb(sp<LnbClient> lnbClient);
		bool isLnaSupported();
		int setLna(bool enable);
		jobject openLnbByHandle(int handle);
		jobject openLnbByName(jstring name);

media/jni/tuner/TunerClient.cpp

+13 −0

Original line number	Diff line number	Diff line
		@@ -210,4 +210,17 @@ int TunerClient::getMaxNumberOfFrontends(FrontendType frontendType) {
		return -1;
		}

		bool TunerClient::isLnaSupported() {
		if (mTunerService != nullptr) {
		bool lnaSupported;
		Status s = mTunerService->isLnaSupported(&lnaSupported);
		if (!s.isOk()) {
		return false;
		}
		return lnaSupported;
		}

		return false;
		}

		} // namespace android