Add RestartEvent in Filter (83258e4e) · Commits · e / os / android_frameworks_base

core/api/system-current.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -5438,6 +5438,10 @@ package android.media.tv.tuner.filter {
		method @NonNull public android.media.tv.tuner.filter.RecordSettings.Builder setTsIndexMask(int);
		}

		public final class RestartEvent extends android.media.tv.tuner.filter.FilterEvent {
		method public int getStartId();
		}

		public final class ScramblingStatusEvent extends android.media.tv.tuner.filter.FilterEvent {
		method public int getScramblingStatus();
		}

media/java/android/media/tv/tuner/filter/RestartEvent.java

0 → 100644

+52 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2020 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.media.tv.tuner.filter;

		import android.annotation.SystemApi;

		/**
		* An Event that the client would reveice after stopping, reconfiguring and restarting a filter.
		*
		* <p>After stopping and restarting the filter, the client has to discard all coming events until
		* it receive {@link RestartedEvent} to avoid using the events from the previous configuration.
		*
		* <p>Recofiguring must happen after stopping the filter.
		*
		* @hide
		*/
		@SystemApi
		public final class RestartEvent extends FilterEvent {
		private final int mStartId;

		// This constructor is used by JNI code only
		private RestartEvent(int startId) {
		mStartId = startId;
		}

		/**
		* Gets the start id.
		*
		* <p>An unique ID to mark the start point of receiving the valid filter events after
		* reconfiguring. It must be sent at least once in the first event after the filter is
		* restarted.
		*
		* <p>0 is reserved for the newly opened filter's first start. It's optional to be received.
		*/
		public int getStartId() {
		return mStartId;
		}
		}

media/jni/android_media_tv_Tuner.cpp

+45 −0

Original line number	Diff line number	Diff line
		@@ -714,6 +714,34 @@ jobjectArray FilterCallback::getTemiEvent(
		return arr;
		}

		jobjectArray FilterCallback::getScramblingStatusEvent(
		jobjectArray& arr, const std::vector<DemuxFilterEventExt::Event>& eventsExt) {
		JNIEnv *env = AndroidRuntime::getJNIEnv();
		jclass eventClazz = env->FindClass("android/media/tv/tuner/filter/ScramblingStatusEvent");
		jmethodID eventInit = env->GetMethodID(eventClazz, "<init>", "(I)V");

		for (int i = 0; i < eventsExt.size(); i++) {
		auto scramblingStatus = eventsExt[i].scramblingStatus();
		jobject obj = env->NewObject(eventClazz, eventInit, static_cast<jint>(scramblingStatus));
		env->SetObjectArrayElement(arr, i, obj);
		}
		return arr;
		}

		jobjectArray FilterCallback::getRestartEvent(
		jobjectArray& arr, const std::vector<DemuxFilterEventExt::Event>& eventsExt) {
		JNIEnv *env = AndroidRuntime::getJNIEnv();
		jclass eventClazz = env->FindClass("android/media/tv/tuner/filter/RestartEvent");
		jmethodID eventInit = env->GetMethodID(eventClazz, "<init>", "(I)V");

		for (int i = 0; i < eventsExt.size(); i++) {
		auto startId = eventsExt[i].startId();
		jobject obj = env->NewObject(eventClazz, eventInit, static_cast<jint>(startId));
		env->SetObjectArrayElement(arr, i, obj);
		}
		return arr;
		}

		Return<void> FilterCallback::onFilterEvent_1_1(const DemuxFilterEvent& filterEvent,
		const DemuxFilterEventExt& filterEventExt) {
		ALOGD("FilterCallback::onFilterEvent_1_1");
		@@ -725,6 +753,23 @@ Return<void> FilterCallback::onFilterEvent_1_1(const DemuxFilterEvent& filterEve
		jclass eventClazz = env->FindClass("android/media/tv/tuner/filter/FilterEvent");
		jobjectArray array = env->NewObjectArray(events.size(), eventClazz, NULL);

		if (events.empty() && !eventsExt.empty()) {
		auto eventExt = eventsExt[0];
		switch (eventExt.getDiscriminator()) {
		case DemuxFilterEventExt::Event::hidl_discriminator::scramblingStatus: {
		array = getScramblingStatusEvent(array, eventsExt);
		break;
		}
		case DemuxFilterEventExt::Event::hidl_discriminator::startId: {
		array = getRestartEvent(array, eventsExt);
		break;
		}
		default: {
		break;
		}
		}
		}

		if (!events.empty()) {
		auto event = events[0];
		switch (event.getDiscriminator()) {

media/jni/android_media_tv_Tuner.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -186,6 +186,10 @@ private:
		jobjectArray& arr, const std::vector<DemuxFilterEvent::Event>& events);
		jobjectArray getTemiEvent(
		jobjectArray& arr, const std::vector<DemuxFilterEvent::Event>& events);
		jobjectArray getScramblingStatusEvent(
		jobjectArray& arr, const std::vector<DemuxFilterEventExt::Event>& eventsExt);
		jobjectArray getRestartEvent(
		jobjectArray& arr, const std::vector<DemuxFilterEventExt::Event>& eventsExt);
		};

		struct FrontendCallback : public IFrontendCallback {