mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-01 16:50:18 +00:00
965138aac1
1. Add mode and difference config type for the unicast/broadcast 2. Support multiple audio configuration with broadcast 3. Add the streamMap for unicast/broadcast Bug: 201292721 Bug: 150670922 Bug: 197297498 Test: m android.hardware.bluetooth.audio@2.2 Change-Id: Ib95850a7e56e9a03c5b400acdaf0625f0aa8726f
63 lines
2.7 KiB
Plaintext
63 lines
2.7 KiB
Plaintext
/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.bluetooth.audio@2.2;
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import @2.1::IBluetoothAudioProvider;
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import @2.0::IBluetoothAudioPort;
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import @2.0::Status;
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/**
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* HAL interface from the Bluetooth stack to the Audio HAL
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*
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* The Bluetooth stack calls methods in this interface to start and end audio
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* sessions and sends callback events to the Audio HAL.
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*
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* Note: For HIDL APIs with a "generates" statement, the callback parameter used
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* for return value must be invoked synchronously before the API call returns.
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*/
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interface IBluetoothAudioProvider extends @2.1::IBluetoothAudioProvider {
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/**
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* This method indicates that the Bluetooth stack is ready to stream audio.
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* It registers an instance of IBluetoothAudioPort with and provides the
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* current negotiated codec to the Audio HAL. After this method is called,
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* the Audio HAL can invoke IBluetoothAudioPort.startStream().
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*
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* Note: endSession() must be called to unregister this IBluetoothAudioPort
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*
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* @param hostIf An instance of IBluetoothAudioPort for stream control
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* @param audioConfig The audio configuration negotiated with the remote
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* device. The PCM parameters are set if software based encoding,
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* otherwise the correct codec configuration is used for hardware
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* encoding.
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*
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* @return status One of the following
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* SUCCESS if this IBluetoothAudioPort was successfully registered with
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* the Audio HAL
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* UNSUPPORTED_CODEC_CONFIGURATION if the Audio HAL cannot register this
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* IBluetoothAudioPort with the given codec configuration
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* FAILURE if the Audio HAL cannot register this IBluetoothAudioPort for
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* any other reason
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* @return dataMQ The fast message queue for audio data from/to this
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* provider. Audio data will be in PCM format as specified by the
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* audioConfig.pcmConfig parameter. Invalid if streaming is offloaded
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* from/to hardware or on failure.
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*/
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startSession_2_2(IBluetoothAudioPort hostIf, AudioConfiguration audioConfig)
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generates (Status status, fmq_sync<uint8_t> dataMQ);
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};
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