platform_hardware_interfaces/audio/effect/5.0/IEffectBufferProviderCallback.hal
Kevin Rocard 35c0de8085 Audio HAL V5: Introduce HAL V5, equal to V4 for now
Port audio HAL V5 to AOSP for BT HAL.
The implementation is not ported as that would require to port an
additional ~30 patches and is not needed by the BT team.

Bug: 118203066
Test: Compile
Change-Id: If99a5645d19c9780019704ea4f51f8114d83ee8e
Merged-In: If99a5645d19c9780019704ea4f51f8114d83ee8f
Signed-off-by: Kevin Rocard <krocard@google.com>
2018-12-02 18:20:51 -08:00

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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.audio.effect@5.0;
/**
* This callback interface contains functions that can be used by the effect
* engine 'process' function to exchange input and output audio buffers.
*/
interface IEffectBufferProviderCallback {
/**
* Called to retrieve a buffer where data should read from by 'process'
* function.
*
* @return buffer audio buffer for processing
*/
getBuffer() generates (AudioBuffer buffer);
/**
* Called to provide a buffer with the data written by 'process' function.
*
* @param buffer audio buffer for processing
*/
putBuffer(AudioBuffer buffer);
};