70 lines
2.6 KiB
Plaintext
70 lines
2.6 KiB
Plaintext
|
/*
|
||
|
|
* 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 @7.0::Result;
|
||
|
|
import @7.0::IStreamOut;
|
||
|
|
|
||
|
|
import IStreamOutLatencyModeCallback;
|
||
|
|
|
||
|
|
interface IStreamOut extends @7.0::IStreamOut {
|
||
|
|
/**
|
||
|
|
* Indicates the requested latency mode for this output stream.
|
||
|
|
*
|
||
|
|
* The requested mode can be one of the modes returned by
|
||
|
|
* getRecommendedLatencyModes() API.
|
||
|
|
*
|
||
|
|
* Optional method.
|
||
|
|
* Mandated only on specific spatial audio streams indicated by
|
||
|
|
* AUDIO_OUTPUT_FLAG_SPATIALIZER flag if they can be routed to a BT classic sink.
|
||
|
|
*
|
||
|
|
* @return retval operation completion status.
|
||
|
|
*/
|
||
|
|
setLatencyMode(LatencyMode mode) generates (Result retval);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicates which latency modes are currently supported on this output stream.
|
||
|
|
* If the transport protocol (e.g Bluetooth A2DP) used by this output stream to reach
|
||
|
|
* the output device supports variable latency modes, the HAL indicates which
|
||
|
|
* modes are currently supported.
|
||
|
|
* The framework can then call setLatencyMode() with one of the supported modes to select
|
||
|
|
* the desired operation mode.
|
||
|
|
*
|
||
|
|
* Optional method.
|
||
|
|
* Mandated only on specific spatial audio streams indicated by
|
||
|
|
* AUDIO_OUTPUT_FLAG_SPATIALIZER flag if they can be routed to a BT classic sink.
|
||
|
|
*
|
||
|
|
* @return retval operation completion status.
|
||
|
|
* @return modes currrently supported latency modes.
|
||
|
|
*/
|
||
|
|
getRecommendedLatencyModes() generates (Result retval, vec<LatencyMode> modes);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the callback interface for notifying changes in supported latency modes.
|
||
|
|
*
|
||
|
|
* Calling this method with a null pointer will result in releasing
|
||
|
|
* the callback.
|
||
|
|
*
|
||
|
|
* Optional method.
|
||
|
|
* Mandated only on specific spatial audio streams indicated by
|
||
|
|
* AUDIO_OUTPUT_FLAG_SPATIALIZER flag if they can be routed to a BT classic sink.
|
||
|
|
*
|
||
|
|
* @return retval operation completion status.
|
||
|
|
*/
|
||
|
|
setLatencyModeCallback(IStreamOutLatencyModeCallback callback) generates (Result retval);
|
||
|
|
};
|