98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <policy.h>
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#include <system/audio_effect.h>
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#include <utils/KeyedVector.h>
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#include <utils/RefBase.h>
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#include <utils/Errors.h>
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#include <utils/String8.h>
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namespace android {
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class EffectDescriptor : public RefBase
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{
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public:
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EffectDescriptor(const effect_descriptor_t *desc, bool isMusicEffect,
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int id, audio_io_handle_t io, audio_session_t session) :
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mId(id), mIo(io), mSession(session), mEnabled(false), mSuspended(false),
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mIsMusicEffect(isMusicEffect)
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{
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memcpy (&mDesc, desc, sizeof(effect_descriptor_t));
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}
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void dump(String8 *dst, int spaces = 0) const;
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int mId; // effect unique ID
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audio_io_handle_t mIo; // io the effect is attached to
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audio_session_t mSession; // audio session the effect is on
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effect_descriptor_t mDesc; // effect descriptor
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bool mEnabled; // enabled state: CPU load being used or not
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bool mSuspended; // enabled but suspended by concurent capture policy
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bool isMusicEffect() const { return mIsMusicEffect; }
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private:
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bool mIsMusicEffect;
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};
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class EffectDescriptorCollection : public KeyedVector<int, sp<EffectDescriptor> >
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{
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public:
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EffectDescriptorCollection();
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status_t registerEffect(const effect_descriptor_t *desc, audio_io_handle_t io,
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int session, int id, bool isMusicEffect);
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status_t unregisterEffect(int id);
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sp<EffectDescriptor> getEffect(int id) const;
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EffectDescriptorCollection getEffectsForIo(audio_io_handle_t io) const;
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status_t setEffectEnabled(int id, bool enabled);
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bool isEffectEnabled(int id) const;
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uint32_t getMaxEffectsCpuLoad() const;
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uint32_t getMaxEffectsMemory() const;
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bool isNonOffloadableEffectEnabled() const;
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void moveEffects(audio_session_t session,
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audio_io_handle_t srcOutput,
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audio_io_handle_t dstOutput);
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void moveEffects(const std::vector<int>& ids, audio_io_handle_t dstOutput);
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audio_io_handle_t getIoForSession(audio_session_t sessionId,
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const effect_uuid_t *effectType = nullptr);
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void dump(String8 *dst, int spaces = 0, bool verbose = true) const;
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private:
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status_t setEffectEnabled(const sp<EffectDescriptor> &effectDesc, bool enabled);
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uint32_t mTotalEffectsCpuLoad; // current CPU load used by effects (in MIPS)
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uint32_t mTotalEffectsMemory; // current memory used by effects (in KB)
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uint32_t mTotalEffectsMemoryMaxUsed; // maximum memory used by effects (in KB)
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/**
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* Maximum CPU load allocated to audio effects in 0.1 MIPS (ARMv5TE, 0 WS memory) units
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*/
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static const uint32_t MAX_EFFECTS_CPU_LOAD = 1000;
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/**
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* Maximum memory allocated to audio effects in KB
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*/
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static const uint32_t MAX_EFFECTS_MEMORY = 512;
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};
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} // namespace android
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