EqualizerEffect.h revision d6e4f03acf5fa1e76b75e33af7a26f248a92be9a 
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
31namespace android {
32namespace hardware {
33namespace audio {
34namespace effect {
35namespace V2_0 {
36namespace implementation {
37
38using ::android::hardware::audio::common::V2_0::AudioDevice;
39using ::android::hardware::audio::common::V2_0::AudioMode;
40using ::android::hardware::audio::common::V2_0::AudioSource;
41using ::android::hardware::audio::effect::V2_0::AudioBuffer;
42using ::android::hardware::audio::effect::V2_0::EffectAuxChannelsConfig;
43using ::android::hardware::audio::effect::V2_0::EffectConfig;
44using ::android::hardware::audio::effect::V2_0::EffectDescriptor;
45using ::android::hardware::audio::effect::V2_0::EffectOffloadParameter;
46using ::android::hardware::audio::effect::V2_0::IEffect;
47using ::android::hardware::audio::effect::V2_0::IEffectBufferProviderCallback;
48using ::android::hardware::audio::effect::V2_0::IEqualizerEffect;
49using ::android::hardware::audio::effect::V2_0::Result;
50using ::android::hardware::Return;
51using ::android::hardware::Void;
52using ::android::hardware::hidl_vec;
53using ::android::hardware::hidl_string;
54using ::android::sp;
55
56struct 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> setAudioMode(AudioMode mode)  override;
72    Return<Result> setConfigReverse(
73            const EffectConfig& config,
74            const sp<IEffectBufferProviderCallback>& inputBufferProvider,
75            const sp<IEffectBufferProviderCallback>& outputBufferProvider)  override;
76    Return<Result> setInputDevice(AudioDevice device)  override;
77    Return<void> getConfig(getConfig_cb _hidl_cb)  override;
78    Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb)  override;
79    Return<void> getSupportedAuxChannelsConfigs(
80            uint32_t maxConfigs, getSupportedAuxChannelsConfigs_cb _hidl_cb)  override;
81    Return<void> getAuxChannelsConfig(getAuxChannelsConfig_cb _hidl_cb)  override;
82    Return<Result> setAuxChannelsConfig(const EffectAuxChannelsConfig& config)  override;
83    Return<Result> setAudioSource(AudioSource source)  override;
84    Return<Result> offload(const EffectOffloadParameter& param)  override;
85    Return<void> getDescriptor(getDescriptor_cb _hidl_cb)  override;
86    Return<void> process(
87            const AudioBuffer& inBuffer, uint32_t outFrameSize, process_cb _hidl_cb)  override;
88    Return<void> processReverse(
89            const AudioBuffer& inBuffer,
90            uint32_t outFrameSize,
91            processReverse_cb _hidl_cb)  override;
92    Return<void> command(
93            uint32_t commandId,
94            const hidl_vec<uint8_t>& data,
95            uint32_t resultMaxSize,
96            command_cb _hidl_cb)  override;
97    Return<Result> setParameter(
98            const hidl_vec<uint8_t>& parameter, const hidl_vec<uint8_t>& value)  override;
99    Return<void> getParameter(
100            const hidl_vec<uint8_t>& parameter,
101            uint32_t valueMaxSize,
102            getParameter_cb _hidl_cb)  override;
103    Return<void> getSupportedConfigsForFeature(
104            uint32_t featureId,
105            uint32_t maxConfigs,
106            uint32_t configSize,
107            getSupportedConfigsForFeature_cb _hidl_cb)  override;
108    Return<void> getCurrentConfigForFeature(
109            uint32_t featureId,
110            uint32_t configSize,
111            getCurrentConfigForFeature_cb _hidl_cb)  override;
112    Return<Result> setCurrentConfigForFeature(
113            uint32_t featureId, const hidl_vec<uint8_t>& configData)  override;
114
115    // Methods from ::android::hardware::audio::effect::V2_0::IEqualizerEffect follow.
116    Return<void> getNumBands(getNumBands_cb _hidl_cb)  override;
117    Return<void> getLevelRange(getLevelRange_cb _hidl_cb)  override;
118    Return<Result> setBandLevel(uint16_t band, uint16_t level)  override;
119    Return<void> getBandLevel(uint16_t band, getBandLevel_cb _hidl_cb)  override;
120    Return<void> getBandCenterFrequency(
121            uint16_t band, getBandCenterFrequency_cb _hidl_cb)  override;
122    Return<void> getBandFrequencyRange(uint16_t band, getBandFrequencyRange_cb _hidl_cb)  override;
123    Return<void> getBandForFrequency(uint32_t freq, getBandForFrequency_cb _hidl_cb)  override;
124    Return<void> getPresetNames(getPresetNames_cb _hidl_cb)  override;
125    Return<Result> setCurrentPreset(uint16_t preset)  override;
126    Return<void> getCurrentPreset(getCurrentPreset_cb _hidl_cb)  override;
127    Return<Result> setAllProperties(const IEqualizerEffect::AllProperties& properties)  override;
128    Return<void> getAllProperties(getAllProperties_cb _hidl_cb)  override;
129
130  private:
131    sp<Effect> mEffect;
132
133    virtual ~EqualizerEffect();
134
135    void propertiesFromHal(
136            t_equalizer_settings& halProperties,
137            IEqualizerEffect::AllProperties* properties);
138    std::vector<uint8_t> propertiesToHal(
139            const IEqualizerEffect::AllProperties& properties,
140            t_equalizer_settings** halProperties);
141};
142
143}  // namespace implementation
144}  // namespace V2_0
145}  // namespace effect
146}  // namespace audio
147}  // namespace hardware
148}  // namespace android
149
150#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V2_0_EQUALIZEREFFECT_H
151