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/*
* Copyright (C) 2022 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.audio@7.1;
import android.hardware.audio.common@7.0;
import @7.0::AudioInOutFlag;
import @7.0::IDevice;
import @7.0::Result;
import IStreamOut;
interface IDevice extends @7.0::IDevice {
/**
* This method creates and opens the audio hardware output stream.
* If the stream can not be opened with the proposed audio config,
* HAL must provide suggested values for the audio config.
*
* Note: INVALID_ARGUMENTS is returned both in the case when the
* HAL can not use the provided config and in the case when
* the value of any argument is invalid. In the latter case the
* HAL must provide a default initialized suggested config.
*
* @param ioHandle handle assigned by AudioFlinger.
* @param device device type and (if needed) address.
* @param config stream configuration.
* @param flags additional flags.
* @param sourceMetadata Description of the audio that will be played.
May be used by implementations to configure hardware effects.
* @return retval operation completion status.
* @return outStream created output stream.
* @return suggestedConfig in the case of rejection of the proposed config,
* a config suggested by the HAL.
*/
openOutputStream_7_1(
AudioIoHandle ioHandle,
DeviceAddress device,
AudioConfig config,
vec<AudioInOutFlag> flags,
SourceMetadata sourceMetadata) generates (
Result retval,
IStreamOut outStream,
AudioConfig suggestedConfig);
/**
* Notifies the device module about the connection state of an input/output
* device attached to it. The devicePort identifies the device and may also
* provide extra information such as raw audio descriptors.
*
* @param devicePort audio device port.
* @param connected whether the device is connected.
* @return retval operation completion status.
*/
setConnectedState_7_1(AudioPort devicePort, bool connected)
generates (Result retval);
};
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