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/*
* Copyright (C) 2015 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 <RoutingStrategy.h>
#include <hardware/audio_effect.h>
#include <utils/KeyedVector.h>
#include <utils/RefBase.h>
#include <utils/Errors.h>
#include <utils/Thread.h>
namespace android {
class EffectDescriptor : public RefBase
{
public:
status_t dump(int fd);
int mIo; // io the effect is attached to
routing_strategy mStrategy; // routing strategy the effect is associated to
int mSession; // audio session the effect is on
effect_descriptor_t mDesc; // effect descriptor
bool mEnabled; // enabled state: CPU load being used or not
};
class EffectDescriptorCollection : public KeyedVector<int, sp<EffectDescriptor> >
{
public:
EffectDescriptorCollection();
status_t registerEffect(const effect_descriptor_t *desc, audio_io_handle_t io,
uint32_t strategy, int session, int id);
status_t unregisterEffect(int id);
status_t setEffectEnabled(int id, bool enabled);
uint32_t getMaxEffectsCpuLoad() const;
uint32_t getMaxEffectsMemory() const;
bool isNonOffloadableEffectEnabled();
status_t dump(int fd);
private:
status_t setEffectEnabled(const sp<EffectDescriptor> &effectDesc, bool enabled);
uint32_t mTotalEffectsCpuLoad; // current CPU load used by effects
uint32_t mTotalEffectsMemory; // current memory used by effects
/**
* Maximum CPU load allocated to audio effects in 0.1 MIPS (ARMv5TE, 0 WS memory) units
*/
static const uint32_t MAX_EFFECTS_CPU_LOAD = 1000;
/**
* Maximum memory allocated to audio effects in KB
*/
static const uint32_t MAX_EFFECTS_MEMORY = 512;
Mutex mLock;
};
}; // namespace android
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