Add filter start, stop, flush methods (d097790a) · Commits · e / os / android_frameworks_base

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

+17 −0

Original line number	Diff line number	Diff line
		@@ -193,6 +193,11 @@ public final class Tuner implements AutoCloseable {
		private long mNativeContext;
		private FilterCallback mCallback;
		int mId;

		private native boolean nativeStartFilter();
		private native boolean nativeStopFilter();
		private native boolean nativeFlushFilter();

		private Filter(int id) {
		mId = id;
		}
		@@ -203,6 +208,18 @@ public final class Tuner implements AutoCloseable {
		mHandler.obtainMessage(MSG_ON_FILTER_STATUS, status, 0, this));
		}
		}

		public boolean start() {
		return nativeStartFilter();
		}

		public boolean stop() {
		return nativeStopFilter();
		}

		public boolean flush() {
		return nativeFlushFilter();
		}
		}

		private Filter openFilter(int type, int subType, int bufferSize, FilterCallback cb) {

media/jni/android_media_tv_Tuner.cpp

+49 −5

Original line number	Diff line number	Diff line
		@@ -308,7 +308,34 @@ static jobject android_media_tv_Tuner_open_filter(
		return tuner->openFilter(filterType, bufferSize);
		}

		static const JNINativeMethod gMethods[] = {
		static bool android_media_tv_Tuner_start_filter(JNIEnv *env, jobject filter) {
		sp<IFilter> filterSp = getFilter(env, filter);
		if (filterSp == NULL) {
		ALOGD("Failed to start filter: filter not found");
		return false;
		}
		return filterSp->start() == Result::SUCCESS;
		}

		static bool android_media_tv_Tuner_stop_filter(JNIEnv *env, jobject filter) {
		sp<IFilter> filterSp = getFilter(env, filter);
		if (filterSp == NULL) {
		ALOGD("Failed to stop filter: filter not found");
		return false;
		}
		return filterSp->stop() == Result::SUCCESS;
		}

		static bool android_media_tv_Tuner_flush_filter(JNIEnv *env, jobject filter) {
		sp<IFilter> filterSp = getFilter(env, filter);
		if (filterSp == NULL) {
		ALOGD("Failed to flush filter: filter not found");
		return false;
		}
		return filterSp->flush() == Result::SUCCESS;
		}

		static const JNINativeMethod gTunerMethods[] = {
		{ "nativeInit", "()V", (void *)android_media_tv_Tuner_native_init },
		{ "nativeSetup", "()V", (void *)android_media_tv_Tuner_native_setup },
		{ "nativeGetFrontendIds", "()Ljava/util/List;",
		@@ -319,9 +346,26 @@ static const JNINativeMethod gMethods[] = {
		(void *)android_media_tv_Tuner_open_filter },
		};

		static int register_android_media_tv_Tuner(JNIEnv *env) {
		return AndroidRuntime::registerNativeMethods(
		env, "android/media/tv/tuner/Tuner", gMethods, NELEM(gMethods));
		static const JNINativeMethod gFilterMethods[] = {
		{ "nativeStartFilter", "()Z", (void *)android_media_tv_Tuner_start_filter },
		{ "nativeStopFilter", "()Z", (void *)android_media_tv_Tuner_stop_filter },
		{ "nativeFlushFilter", "()Z", (void *)android_media_tv_Tuner_flush_filter },
		};

		static bool register_android_media_tv_Tuner(JNIEnv *env) {
		if (AndroidRuntime::registerNativeMethods(
		env, "android/media/tv/tuner/Tuner", gTunerMethods, NELEM(gTunerMethods)) != JNI_OK) {
		ALOGE("Failed to register tuner native methods");
		return false;
		}
		if (AndroidRuntime::registerNativeMethods(
		env, "android/media/tv/tuner/Tuner$Filter",
		gFilterMethods,
		NELEM(gFilterMethods)) != JNI_OK) {
		ALOGE("Failed to register filter native methods");
		return false;
		}
		return true;
		}

		jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
		@@ -335,7 +379,7 @@ jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
		}
		assert(env != NULL);

		if (register_android_media_tv_Tuner(env) != JNI_OK) {
		if (!register_android_media_tv_Tuner(env)) {
		ALOGE("ERROR: Tuner native registration failed\n");
		return result;
		}