Tuner FW: handle release frontend am: 2f9cab383b (a5ffa930) · Commits · e / os / android_frameworks_base

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

+20 −4

Original line number	Diff line number	Diff line
		@@ -263,14 +263,14 @@ public class Tuner implements AutoCloseable {
		}

		private void setFrontendInfoList() {
		List<Integer> ids = nativeGetFrontendIds();
		List<Integer> ids = getFrontendIds();
		if (ids == null) {
		return;
		}
		TunerFrontendInfo[] infos = new TunerFrontendInfo[ids.size()];
		for (int i = 0; i < ids.size(); i++) {
		int id = ids.get(i);
		FrontendInfo frontendInfo = nativeGetFrontendInfo(id);
		FrontendInfo frontendInfo = getFrontendInfoById(id);
		if (frontendInfo == null) {
		continue;
		}
		@@ -281,6 +281,11 @@ public class Tuner implements AutoCloseable {
		mTunerResourceManager.setFrontendInfoList(infos);
		}

		/** @hide */
		public List<Integer> getFrontendIds() {
		return nativeGetFrontendIds();
		}

		private void setLnbIds() {
		int[] ids = nativeGetLnbIds();
		if (ids == null) {
		@@ -345,14 +350,17 @@ public class Tuner implements AutoCloseable {
		@Override
		public void close() {
		if (mFrontendHandle != null) {
		nativeCloseFrontendByHandle(mFrontendHandle);
		mTunerResourceManager.releaseFrontend(mFrontendHandle);
		mFrontendHandle = null;
		mFrontend = null;
		}
		if (mLnb != null) {
		mTunerResourceManager.releaseLnb(mLnbHandle);
		mLnb = null;
		mLnbHandle = null;
		}
		nativeClose();
		TunerUtils.throwExceptionForResult(nativeClose(), "failed to close tuner");
		}

		/**
		@@ -374,6 +382,8 @@ public class Tuner implements AutoCloseable {
		* Native method to open frontend of the given ID.
		*/
		private native Frontend nativeOpenFrontendByHandle(int handle);
		@Result
		private native int nativeCloseFrontendByHandle(int handle);
		private native int nativeTune(int type, FrontendSettings settings);
		private native int nativeStopTune();
		private native int nativeScan(int settingsType, FrontendSettings settings, int scanType);
		@@ -522,6 +532,7 @@ public class Tuner implements AutoCloseable {
		public int tune(@NonNull FrontendSettings settings) {
		mFrontendType = settings.getType();
		checkResource(TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND);

		mFrontendInfo = null;
		return nativeTune(settings.getType(), settings);
		}
		@@ -706,11 +717,16 @@ public class Tuner implements AutoCloseable {
		throw new IllegalStateException("frontend is not initialized");
		}
		if (mFrontendInfo == null) {
		mFrontendInfo = nativeGetFrontendInfo(mFrontend.mId);
		mFrontendInfo = getFrontendInfoById(mFrontend.mId);
		}
		return mFrontendInfo;
		}

		/** @hide */
		public FrontendInfo getFrontendInfoById(int id) {
		return nativeGetFrontendInfo(id);
		}

		/**
		* Gets Demux capabilities.
		*

media/java/android/media/tv/tunerresourcemanager/TunerResourceManager.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -416,11 +416,11 @@ public class TunerResourceManager {
		* <p><strong>Note:</strong> {@link #setFrontendInfoList(TunerFrontendInfo[])} must be called
		* before this release.
		*
		* @param frontendId the id of the released frontend.
		* @param frontendHandle the handle of the released frontend.
		*/
		public void releaseFrontend(int frontendId) {
		public void releaseFrontend(int frontendHandle) {
		try {
		mService.releaseFrontend(frontendId);
		mService.releaseFrontend(frontendHandle);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}

media/jni/android_media_tv_Tuner.cpp

+46 −0

Original line number	Diff line number	Diff line
		@@ -833,6 +833,12 @@ JTuner::JTuner(JNIEnv *env, jobject thiz)
		}

		JTuner::~JTuner() {
		if (mFe != NULL) {
		mFe->close();
		}
		if (mDemux != NULL) {
		mDemux->close();
		}
		JNIEnv *env = AndroidRuntime::getJNIEnv();

		env->DeleteWeakGlobalRef(mObject);
		@@ -908,6 +914,14 @@ jobject JTuner::openFrontendById(int id) {
		(jint) jId);
		}

		jint JTuner::closeFrontendById(int id) {
		if (mFe != NULL && mFeId == id) {
		Result r = mFe->close();
		return (jint) r;
		}
		return (jint) Result::SUCCESS;
		}

		jobject JTuner::getAnalogFrontendCaps(JNIEnv *env, FrontendInfo::FrontendCapabilities& caps) {
		jclass clazz = env->FindClass("android/media/tv/tuner/frontend/AnalogFrontendCapabilities");
		jmethodID capsInit = env->GetMethodID(clazz, "<init>", "(II)V");
		@@ -1271,6 +1285,23 @@ Result JTuner::openDemux() {
		return res;
		}

		jint JTuner::close() {
		Result res = Result::SUCCESS;
		if (mFe != NULL) {
		res = mFe->close();
		if (res != Result::SUCCESS) {
		return (jint) res;
		}
		}
		if (mDemux != NULL) {
		res = mDemux->close();
		if (res != Result::SUCCESS) {
		return (jint) res;
		}
		}
		return (jint) res;
		}

		jobject JTuner::getAvSyncHwId(sp<Filter> filter) {
		if (mDemux == NULL) {
		return NULL;
		@@ -2362,6 +2393,13 @@ static jobject android_media_tv_Tuner_open_frontend_by_handle(
		return tuner->openFrontendById(id);
		}

		static jint android_media_tv_Tuner_close_frontend_by_handle(
		JNIEnv *env, jobject thiz, jint handle) {
		sp<JTuner> tuner = getTuner(env, thiz);
		uint32_t id = getResourceIdFromHandle(handle);
		return tuner->closeFrontendById(id);
		}

		static int android_media_tv_Tuner_tune(JNIEnv *env, jobject thiz, jint type, jobject settings) {
		sp<JTuner> tuner = getTuner(env, thiz);
		return tuner->tune(getFrontendSettings(env, type, settings));
		@@ -3135,6 +3173,11 @@ static jint android_media_tv_Tuner_open_demux(JNIEnv* env, jobject thiz, jint /*
		return (jint) tuner->openDemux();
		}

		static jint android_media_tv_Tuner_close_tuner(JNIEnv* env, jobject thiz) {
		sp<JTuner> tuner = getTuner(env, thiz);
		return (jint) tuner->close();
		}

		static jint android_media_tv_Tuner_attach_filter(JNIEnv *env, jobject dvr, jobject filter) {
		sp<Dvr> dvrSp = getDvr(env, dvr);
		if (dvrSp == NULL) {
		@@ -3424,6 +3467,8 @@ static const JNINativeMethod gTunerMethods[] = {
		(void *)android_media_tv_Tuner_get_frontend_ids },
		{ "nativeOpenFrontendByHandle", "(I)Landroid/media/tv/tuner/Tuner$Frontend;",
		(void *)android_media_tv_Tuner_open_frontend_by_handle },
		{ "nativeCloseFrontendByHandle", "(I)I",
		(void *)android_media_tv_Tuner_close_frontend_by_handle },
		{ "nativeTune", "(ILandroid/media/tv/tuner/frontend/FrontendSettings;)I",
		(void *)android_media_tv_Tuner_tune },
		{ "nativeStopTune", "()I", (void *)android_media_tv_Tuner_stop_tune },
		@@ -3460,6 +3505,7 @@ static const JNINativeMethod gTunerMethods[] = {
		{ "nativeGetDemuxCapabilities", "()Landroid/media/tv/tuner/DemuxCapabilities;",
		(void *)android_media_tv_Tuner_get_demux_caps },
		{ "nativeOpenDemuxByhandle", "(I)I", (void *)android_media_tv_Tuner_open_demux },
		{"nativeClose", "()I", (void *)android_media_tv_Tuner_close_tuner },
		};

		static const JNINativeMethod gFilterMethods[] = {

media/jni/android_media_tv_Tuner.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -172,6 +172,7 @@ struct JTuner : public RefBase {
		int disconnectCiCam();
		jobject getFrontendIds();
		jobject openFrontendById(int id);
		jint closeFrontendById(int id);
		jobject getFrontendInfo(int id);
		int tune(const FrontendSettings& settings);
		int stopTune();
		@@ -189,6 +190,7 @@ struct JTuner : public RefBase {
		jobject getDemuxCaps();
		jobject getFrontendStatus(jintArray types);
		Result openDemux();
		jint close();

		protected:
		virtual ~JTuner();

services/core/java/com/android/server/tv/tunerresourcemanager/TunerResourceManagerService.java

+20 −1

Original line number	Diff line number	Diff line
		@@ -247,12 +247,15 @@ public class TunerResourceManagerService extends SystemService {
		}

		@Override
		public void releaseFrontend(int frontendId) {
		public void releaseFrontend(int frontendHandle) {
		enforceTunerAccessPermission("releaseFrontend");
		enforceTrmAccessPermission("releaseFrontend");
		int frontendId = getResourceId(
		TunerResourceManager.TUNER_RESOURCE_TYPE_FRONTEND, frontendHandle);
		if (DEBUG) {
		Slog.d(TAG, "releaseFrontend(id=" + frontendId + ")");
		}
		updateFrontendClientMappingOnRelease(frontendId);
		}

		@Override
		@@ -568,6 +571,17 @@ public class TunerResourceManagerService extends SystemService {
		}
		}

		private void updateFrontendClientMappingOnRelease(int frontendId) {
		FrontendResource releasingFrontend = getFrontendResource(frontendId);
		ClientProfile ownerProfile = getClientProfile(releasingFrontend.getOwnerClientId());
		releasingFrontend.removeOwner();
		ownerProfile.releaseFrontend(frontendId);
		for (int exclusiveGroupMember : releasingFrontend.getExclusiveGroupMemberFeIds()) {
		getFrontendResource(exclusiveGroupMember).removeOwner();
		ownerProfile.releaseFrontend(frontendId);
		}
		}

		/**
		* Get the owner client's priority from the frontend id.
		*
		@@ -651,6 +665,11 @@ public class TunerResourceManagerService extends SystemService {
		\| (mResourceRequestCount++ & 0xffff);
		}

		private int getResourceId(
		@TunerResourceManager.TunerResourceType int resourceType, int resourceHandle) {
		return (resourceHandle & 0x00ff0000) >> 16;
		}

		private void enforceTrmAccessPermission(String apiName) {
		getContext().enforceCallingPermission("android.permission.TUNER_RESOURCE_ACCESS",
		TAG + ": " + apiName);