1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HARDWARE_AUDIO_EFFECT_EQUALIZEREFFECT_H 18 #define ANDROID_HARDWARE_AUDIO_EFFECT_EQUALIZEREFFECT_H 19 20 #include PATH(android/hardware/audio/effect/FILE_VERSION/IEqualizerEffect.h) 21 22 #include "Effect.h" 23 24 #include <vector> 25 26 #include <system/audio_effects/effect_equalizer.h> 27 28 #include <hidl/Status.h> 29 30 #include <hidl/MQDescriptor.h> 31 32 #include "VersionUtils.h" 33 34 namespace android { 35 namespace hardware { 36 namespace audio { 37 namespace effect { 38 namespace CPP_VERSION { 39 namespace implementation { 40 41 using ::android::sp; 42 using ::android::hardware::hidl_string; 43 using ::android::hardware::hidl_vec; 44 using ::android::hardware::Return; 45 using ::android::hardware::Void; 46 using namespace ::android::hardware::audio::common::CPP_VERSION; 47 using namespace ::android::hardware::audio::effect::CPP_VERSION; 48 49 struct EqualizerEffect : public IEqualizerEffect { 50 explicit EqualizerEffect(effect_handle_t handle); 51 52 // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEffect follow. 53 Return<Result> init() override; 54 Return<Result> setConfig( 55 const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider, 56 const sp<IEffectBufferProviderCallback>& outputBufferProvider) override; 57 Return<Result> reset() override; 58 Return<Result> enable() override; 59 Return<Result> disable() override; 60 Return<Result> setDevice(AudioDeviceBitfield device) override; 61 Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes, 62 setAndGetVolume_cb _hidl_cb) override; 63 Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override; 64 Return<Result> setAudioMode(AudioMode mode) override; 65 Return<Result> setConfigReverse( 66 const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider, 67 const sp<IEffectBufferProviderCallback>& outputBufferProvider) override; 68 Return<Result> setInputDevice(AudioDeviceBitfield device) override; 69 Return<void> getConfig(getConfig_cb _hidl_cb) override; 70 Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override; 71 Return<void> getSupportedAuxChannelsConfigs( 72 uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) override; 73 Return<void> getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) override; 74 Return<Result> setAuxChannelsConfig(const EffectAuxChannelsConfig& config) override; 75 Return<Result> setAudioSource(AudioSource source) override; 76 Return<Result> offload(const EffectOffloadParameter& param) override; 77 Return<void> getDescriptor(getDescriptor_cb _hidl_cb) override; 78 Return<void> prepareForProcessing(prepareForProcessing_cb _hidl_cb) override; 79 Return<Result> setProcessBuffers(const AudioBuffer& inBuffer, 80 const AudioBuffer& outBuffer) override; 81 Return<void> command(uint32_t commandId, const hidl_vec<uint8_t>& data, uint32_t resultMaxSize, 82 command_cb _hidl_cb) override; 83 Return<Result> setParameter(const hidl_vec<uint8_t>& parameter, 84 const hidl_vec<uint8_t>& value) override; 85 Return<void> getParameter(const hidl_vec<uint8_t>& parameter, uint32_t valueMaxSize, 86 getParameter_cb _hidl_cb) override; 87 Return<void> getSupportedConfigsForFeature(uint32_t featureId, uint32_t maxConfigs, 88 uint32_t configSize, 89 getSupportedConfigsForFeature_cb _hidl_cb) override; 90 Return<void> getCurrentConfigForFeature(uint32_t featureId, uint32_t configSize, 91 getCurrentConfigForFeature_cb _hidl_cb) override; 92 Return<Result> setCurrentConfigForFeature(uint32_t featureId, 93 const hidl_vec<uint8_t>& configData) override; 94 Return<Result> close() override; 95 Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override; 96 97 // Methods from ::android::hardware::audio::effect::CPP_VERSION::IEqualizerEffect follow. 98 Return<void> getNumBands(getNumBands_cb _hidl_cb) override; 99 Return<void> getLevelRange(getLevelRange_cb _hidl_cb) override; 100 Return<Result> setBandLevel(uint16_t band, int16_t level) override; 101 Return<void> getBandLevel(uint16_t band, getBandLevel_cb _hidl_cb) override; 102 Return<void> getBandCenterFrequency(uint16_t band, getBandCenterFrequency_cb _hidl_cb) override; 103 Return<void> getBandFrequencyRange(uint16_t band, getBandFrequencyRange_cb _hidl_cb) override; 104 Return<void> getBandForFrequency(uint32_t freq, getBandForFrequency_cb _hidl_cb) override; 105 Return<void> getPresetNames(getPresetNames_cb _hidl_cb) override; 106 Return<Result> setCurrentPreset(uint16_t preset) override; 107 Return<void> getCurrentPreset(getCurrentPreset_cb _hidl_cb) override; 108 Return<Result> setAllProperties(const IEqualizerEffect::AllProperties& properties) override; 109 Return<void> getAllProperties(getAllProperties_cb _hidl_cb) override; 110 111 private: 112 sp<Effect> mEffect; 113 114 virtual ~EqualizerEffect(); 115 116 void propertiesFromHal(const t_equalizer_settings& halProperties, 117 IEqualizerEffect::AllProperties* properties); 118 std::vector<uint8_t> propertiesToHal(const IEqualizerEffect::AllProperties& properties, 119 t_equalizer_settings** halProperties); 120 }; 121 122 } // namespace implementation 123 } // namespace CPP_VERSION 124 } // namespace effect 125 } // namespace audio 126 } // namespace hardware 127 } // namespace android 128 129 #endif // ANDROID_HARDWARE_AUDIO_EFFECT_EQUALIZEREFFECT_H 130