Remove IAudioControlCallback for P (786879b1) · Commits · e / os / android_hardware_interfaces

automotive/audiocontrol/1.0/Android.bp

+0 −2

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		@@ -9,13 +9,11 @@ hidl_interface {
		srcs: [
		"types.hal",
		"IAudioControl.hal",
		"IAudioControlCallback.hal",
		],
		interfaces: [
		"android.hidl.base@1.0",
		],
		types: [
		"AudioResult",
		"ContextNumber",
		],
		gen_java: true,

automotive/audiocontrol/1.0/IAudioControl.hal

+0 −11

Original line number	Diff line number	Diff line
		@@ -16,23 +16,12 @@

		package android.hardware.automotive.audiocontrol@1.0;

		import IAudioControlCallback;


		/**
		* Interacts with the car's audio subsystem to manage audio sources and volumes
		*/
		interface IAudioControl {

		/**
		* Registers the required callback object so that we can be notified when the state
		* of the car's audio system changes. This call must be made when the interface is
		* initialized.
		*/
		setCallback(IAudioControlCallback notificationObject)
		generates (AudioResult result);


		/**
		* Called at startup once per context to get the mapping from ContextNumber to
		* busAddress. This lets the car tell the framework to which physical output stream

automotive/audiocontrol/1.0/IAudioControlCallback.hal

deleted100644 → 0

+0 −57

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		/*
		* Copyright (C) 2017 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.hardware.automotive.audiocontrol@1.0;


		/**
		* Implemented on client (framework) side to receive asynchronous updates from the car.
		*/
		interface IAudioControlCallback {

		/**
		* When the HAL makes this call, any apps currently playing must be asked to
		* temporarily suspend playback (via an AudioManager::AUDIOFOCUS_LOSS_TRANSIENT event).
		*
		* This is only a suggestion. Apps may be slow to react or even ignore this message
		* entirely. Enforcement, if necessary, must be done at the AudioHAL level as the
		* samples are delivered. In most instances, this is the way a car should ask for
		* quiet if it needs it for some important situation, such as warning alarms or chimes.
		*/
		oneway suggestPausePlayers();


		/**
		* When the HAL makes this case, any apps currently playing must be asked to stop
		* playing (via an AudioManager::AUDIOFOCUS_LOSS event). Once stopped, the apps must
		* not resume their playback.
		*
		* It should be noted that not all apps or sound sources honor this request, but this
		* at least gives an app the chance to do the right thing.
		* Because it premanently stops media, this call is expected to be used only rarely.
		* Perhaps in the event of an E-call, where resuming music might be undesirable assuming
		* the driver is now dealing with whatever the emergency is?
		*/
		oneway suggestStopPlayers();


		/**
		* Receives calls from the HAL when Android should resume normal operations. If the previous
		* action was a requestPausePlayers, then things that were paused must be told they may
		* resume.
		*/
		oneway resumePlayers();
		};

automotive/audiocontrol/1.0/default/Android.bp

+0 −1

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		@@ -19,7 +19,6 @@ cc_binary {
		relative_install_path: "hw",
		srcs: [
		"AudioControl.cpp",
		"AudioControlCallback.cpp",
		"service.cpp"
		],
		init_rc: ["android.hardware.automotive.audiocontrol@1.0-service.rc"],

automotive/audiocontrol/1.0/default/AudioControl.cpp

+0 −9

Original line number	Diff line number	Diff line
		@@ -36,15 +36,6 @@ AudioControl::AudioControl() {
		};


		// Methods from ::android::hardware::automotive::audiocontrol::V1_0::IAudioControl follow.
		Return<AudioResult> AudioControl::setCallback(const sp<IAudioControlCallback>& notificationObject) {
		// Hang onto the provided callback object for future use
		callback = notificationObject;

		return AudioResult::OK;
		}


		Return<int32_t> AudioControl::getBusForContext(uint32_t contextNumber) {
		if (contextNumber > sContextNumberMax) {
		ALOGE("Unexpected context number %d (max expected is %d)", contextNumber, sContextCount);