| /* |
| * 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> |
| |
| 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; |
| }; |
| |
| }; // namespace android |