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/*
* Copyright (C) 2007 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.
*/
#pragma once
#include "SoundManager.h"
#include "StreamManager.h"
namespace android {
/**
* Native class for Java SoundPool, manages a pool of sounds.
*
* See the Android SoundPool Java documentation for description of valid values.
* https://developer.android.com/reference/android/media/SoundPool
*/
class SoundPool {
public:
SoundPool(int32_t maxStreams, const audio_attributes_t* attributes);
~SoundPool();
// SoundPool Java API support
int32_t load(int fd, int64_t offset, int64_t length, int32_t priority);
bool unload(int32_t soundID);
int32_t play(int32_t soundID, float leftVolume, float rightVolume, int32_t priority,
int32_t loop, float rate);
void pause(int32_t streamID);
void autoPause();
void resume(int32_t streamID);
void autoResume();
void stop(int32_t streamID);
void setVolume(int32_t streamID, float leftVolume, float rightVolume);
void setPriority(int32_t streamID, int32_t priority);
void setLoop(int32_t streamID, int32_t loop);
void setRate(int32_t streamID, float rate);
void setCallback(SoundPoolCallback* callback, void* user);
void* getUserData() const;
// not exposed in the public Java API, used for internal playerSetVolume() muting.
void mute(bool muting);
private:
// Constructor initialized variables
// Can access without lock as they are internally locked,
// though care needs to be taken that the final result composed of
// individually consistent actions are consistent.
soundpool::SoundManager mSoundManager;
soundpool::StreamManager mStreamManager;
// mApiLock serializes SoundPool application calls (configurable by kUseApiLock).
// It only locks at the SoundPool layer and not below. At this level,
// mApiLock is only required for autoPause() and autoResume() to prevent zippering
// of the individual pauses and resumes, and mute() for self-interaction with itself.
// It is optional for all other apis.
mutable std::mutex mApiLock;
};
} // end namespace android
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