1 /* 2 * Copyright (C) 2016 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_V2_0_EQUALIZEREFFECT_H 18 #define ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EQUALIZEREFFECT_H 19 20 #include <vector> 21 22 #include <system/audio_effects/effect_equalizer.h> 23 24 #include <android/hardware/audio/effect/2.0/IEqualizerEffect.h> 25 #include <hidl/Status.h> 26 27 #include <hidl/MQDescriptor.h> 28 29 #include "Effect.h" 30 31 namespace android { 32 namespace hardware { 33 namespace audio { 34 namespace effect { 35 namespace V2_0 { 36 namespace implementation { 37 38 using ::android::hardware::audio::common::V2_0::AudioDevice; 39 using ::android::hardware::audio::common::V2_0::AudioMode; 40 using ::android::hardware::audio::common::V2_0::AudioSource; 41 using ::android::hardware::audio::effect::V2_0::AudioBuffer; 42 using ::android::hardware::audio::effect::V2_0::EffectAuxChannelsConfig; 43 using ::android::hardware::audio::effect::V2_0::EffectConfig; 44 using ::android::hardware::audio::effect::V2_0::EffectDescriptor; 45 using ::android::hardware::audio::effect::V2_0::EffectOffloadParameter; 46 using ::android::hardware::audio::effect::V2_0::IEffect; 47 using ::android::hardware::audio::effect::V2_0::IEffectBufferProviderCallback; 48 using ::android::hardware::audio::effect::V2_0::IEqualizerEffect; 49 using ::android::hardware::audio::effect::V2_0::Result; 50 using ::android::hardware::Return; 51 using ::android::hardware::Void; 52 using ::android::hardware::hidl_vec; 53 using ::android::hardware::hidl_string; 54 using ::android::sp; 55 56 struct EqualizerEffect : public IEqualizerEffect { 57 explicit EqualizerEffect(effect_handle_t handle); 58 59 // Methods from ::android::hardware::audio::effect::V2_0::IEffect follow. 60 Return<Result> init() override; 61 Return<Result> setConfig( 62 const EffectConfig& config, 63 const sp<IEffectBufferProviderCallback>& inputBufferProvider, 64 const sp<IEffectBufferProviderCallback>& outputBufferProvider) override; 65 Return<Result> reset() override; 66 Return<Result> enable() override; 67 Return<Result> disable() override; 68 Return<Result> setDevice(AudioDevice device) override; 69 Return<void> setAndGetVolume( 70 const hidl_vec<uint32_t>& volumes, setAndGetVolume_cb _hidl_cb) override; 71 Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override; 72 Return<Result> setAudioMode(AudioMode mode) override; 73 Return<Result> setConfigReverse( 74 const EffectConfig& config, 75 const sp<IEffectBufferProviderCallback>& inputBufferProvider, 76 const sp<IEffectBufferProviderCallback>& outputBufferProvider) override; 77 Return<Result> setInputDevice(AudioDevice device) override; 78 Return<void> getConfig(getConfig_cb _hidl_cb) override; 79 Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override; 80 Return<void> getSupportedAuxChannelsConfigs( 81 uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb) override; 82 Return<void> getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb) override; 83 Return<Result> setAuxChannelsConfig(const EffectAuxChannelsConfig& config) override; 84 Return<Result> setAudioSource(AudioSource source) override; 85 Return<Result> offload(const EffectOffloadParameter& param) override; 86 Return<void> getDescriptor(getDescriptor_cb _hidl_cb) override; 87 Return<void> prepareForProcessing(prepareForProcessing_cb _hidl_cb) override; 88 Return<Result> setProcessBuffers( 89 const AudioBuffer& inBuffer, const AudioBuffer& outBuffer) override; 90 Return<void> command( 91 uint32_t commandId, 92 const hidl_vec<uint8_t>& data, 93 uint32_t resultMaxSize, 94 command_cb _hidl_cb) override; 95 Return<Result> setParameter( 96 const hidl_vec<uint8_t>& parameter, const hidl_vec<uint8_t>& value) override; 97 Return<void> getParameter( 98 const hidl_vec<uint8_t>& parameter, 99 uint32_t valueMaxSize, 100 getParameter_cb _hidl_cb) override; 101 Return<void> getSupportedConfigsForFeature( 102 uint32_t featureId, 103 uint32_t maxConfigs, 104 uint32_t configSize, 105 getSupportedConfigsForFeature_cb _hidl_cb) override; 106 Return<void> getCurrentConfigForFeature( 107 uint32_t featureId, 108 uint32_t configSize, 109 getCurrentConfigForFeature_cb _hidl_cb) override; 110 Return<Result> setCurrentConfigForFeature( 111 uint32_t featureId, const hidl_vec<uint8_t>& configData) override; 112 Return<Result> close() override; 113 114 // Methods from ::android::hardware::audio::effect::V2_0::IEqualizerEffect follow. 115 Return<void> getNumBands(getNumBands_cb _hidl_cb) override; 116 Return<void> getLevelRange(getLevelRange_cb _hidl_cb) override; 117 Return<Result> setBandLevel(uint16_t band, int16_t level) override; 118 Return<void> getBandLevel(uint16_t band, getBandLevel_cb _hidl_cb) override; 119 Return<void> getBandCenterFrequency( 120 uint16_t band, getBandCenterFrequency_cb _hidl_cb) override; 121 Return<void> getBandFrequencyRange(uint16_t band, getBandFrequencyRange_cb _hidl_cb) override; 122 Return<void> getBandForFrequency(uint32_t freq, getBandForFrequency_cb _hidl_cb) override; 123 Return<void> getPresetNames(getPresetNames_cb _hidl_cb) override; 124 Return<Result> setCurrentPreset(uint16_t preset) override; 125 Return<void> getCurrentPreset(getCurrentPreset_cb _hidl_cb) override; 126 Return<Result> setAllProperties(const IEqualizerEffect::AllProperties& properties) override; 127 Return<void> getAllProperties(getAllProperties_cb _hidl_cb) override; 128 129 private: 130 sp<Effect> mEffect; 131 132 virtual ~EqualizerEffect(); 133 134 void propertiesFromHal( 135 const t_equalizer_settings& halProperties, 136 IEqualizerEffect::AllProperties* properties); 137 std::vector<uint8_t> propertiesToHal( 138 const IEqualizerEffect::AllProperties& properties, 139 t_equalizer_settings** halProperties); 140 }; 141 142 } // namespace implementation 143 } // namespace V2_0 144 } // namespace effect 145 } // namespace audio 146 } // namespace hardware 147 } // namespace android 148 149 #endif // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EQUALIZEREFFECT_H 150