platform_hardware_interfaces/bluetooth/a2dp/1.0/IBluetoothAudioHost.hal
Sunny Kapdi 4e95d81ef0 Bluetooth: A2DP offload HIDL
Interface for Bluetooth A2DP offload feature.

Bug: 72242910
Test: Manual; TestTracker/148125
Change-Id: I3649800dfe3e1a2d66b76859be87e01ee58d2de0
2018-03-09 15:49:24 -08:00

61 lines
2.2 KiB
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/*
* Copyright (C) 2018 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.bluetooth.a2dp@1.0;
/**
* HAL interface for Bluetooth A2DP Offload functionality where
* the encoding of the A2DP data packets is offloaded to platform
* specific encoders. The A2DP control path is maintained in the
* Bluetooth stack.
*
* This interface is from HAL server to HAL client.
*
* The HAL server must call into the IBluetoothAudioHost to initiate
* the start, suspend and stop of the streaming operation. These
* calls return immediately and the results, if any, are send over
* the IBluetoothAudioOffload interface.
*/
interface IBluetoothAudioHost {
/**
* Invoked when the start stream is requested from HAL server
* to HAL client. This indicates that the HAL server
* has initialized the platform for streaming use case, and the
* HAL client can proceed with the streaming procedure. The
* result of the operation must be provided by the HAL
* client using the IBluetoothAudioOffload interface.
*/
oneway startStream();
/**
* Invoked when the suspend stream is requested from HAL server
* to HAL client. This indicates that the HAL server
* wants to suspend the streaming procedure. The result of the
* operation must be provided by the HAL client using the
* IBluetoothAudioOffload interface.
*/
oneway suspendStream();
/**
* Invoked when the stop stream is requested from HAL server
* to HAL client. This indicates that the HAL server wants to
* stop and reset the streaming procedure. There is no result
* provided by the HAL client for this call.
*/
oneway stopStream();
};