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_EFFECTS_FACTORY_HAL_HIDL_H
18 #define ANDROID_HARDWARE_EFFECTS_FACTORY_HAL_HIDL_H
19
20 #include PATH(android/hardware/audio/effect/FILE_VERSION/IEffectsFactory.h)
21 #include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
22 #include <media/audiohal/EffectsFactoryHalInterface.h>
23
24 #include "ConversionHelperHidl.h"
25
26 namespace android {
27 namespace effect {
28 namespace CPP_VERSION {
29
30 using ::android::hardware::hidl_vec;
31 using ::android::CPP_VERSION::ConversionHelperHidl;
32 using namespace ::android::hardware::audio::effect::CPP_VERSION;
33
34 class EffectsFactoryHalHidl : public EffectsFactoryHalInterface, public ConversionHelperHidl
35 {
36 public:
37 EffectsFactoryHalHidl();
38
39 // Returns the number of different effects in all loaded libraries.
40 virtual status_t queryNumberEffects(uint32_t *pNumEffects);
41
42 // Returns a descriptor of the next available effect.
43 virtual status_t getDescriptor(uint32_t index,
44 effect_descriptor_t *pDescriptor);
45
46 virtual status_t getDescriptor(const effect_uuid_t *pEffectUuid,
47 effect_descriptor_t *pDescriptor);
48
49 // Creates an effect engine of the specified type.
50 // To release the effect engine, it is necessary to release references
51 // to the returned effect object.
52 virtual status_t createEffect(const effect_uuid_t *pEffectUuid,
53 int32_t sessionId, int32_t ioId,
54 sp<EffectHalInterface> *effect);
55
56 virtual status_t dumpEffects(int fd);
57
58 status_t allocateBuffer(size_t size, sp<EffectBufferHalInterface>* buffer) override;
59 status_t mirrorBuffer(void* external, size_t size,
60 sp<EffectBufferHalInterface>* buffer) override;
61
62 private:
63 sp<IEffectsFactory> mEffectsFactory;
64 hidl_vec<EffectDescriptor> mLastDescriptors;
65
66 status_t queryAllDescriptors();
67 };
68
createEffectsFactoryHal()69 sp<EffectsFactoryHalInterface> createEffectsFactoryHal() {
70 return new EffectsFactoryHalHidl();
71 }
72
73 } // namespace CPP_VERSION
74 } // namespace effect
75 } // namespace android
76
77 #endif // ANDROID_HARDWARE_EFFECTS_FACTORY_HAL_HIDL_H
78