1/*
2 * Copyright (C) 2017 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_EFFECT_BUFFER_HAL_HIDL_H
18#define ANDROID_HARDWARE_EFFECT_BUFFER_HAL_HIDL_H
19
20#include <android/hardware/audio/effect/2.0/types.h>
21#include <android/hidl/memory/1.0/IMemory.h>
22#include <hidl/HidlSupport.h>
23#include <media/audiohal/EffectBufferHalInterface.h>
24#include <system/audio_effect.h>
25
26using android::hardware::audio::effect::V2_0::AudioBuffer;
27using android::hardware::hidl_memory;
28using android::hidl::memory::V1_0::IMemory;
29
30namespace android {
31
32class EffectBufferHalHidl : public EffectBufferHalInterface
33{
34  public:
35    virtual audio_buffer_t* audioBuffer();
36    virtual void* externalData() const;
37
38    virtual void setExternalData(void* external);
39    virtual void setFrameCount(size_t frameCount);
40    virtual bool checkFrameCountChange();
41
42    virtual void update();
43    virtual void commit();
44    virtual void update(size_t size);
45    virtual void commit(size_t size);
46
47    const AudioBuffer& hidlBuffer() const { return mHidlBuffer; }
48
49  private:
50    friend class EffectBufferHalInterface;
51
52    static uint64_t makeUniqueId();
53
54    const size_t mBufferSize;
55    bool mFrameCountChanged;
56    void* mExternalData;
57    AudioBuffer mHidlBuffer;
58    sp<IMemory> mMemory;
59    audio_buffer_t mAudioBuffer;
60
61    // Can not be constructed directly by clients.
62    explicit EffectBufferHalHidl(size_t size);
63
64    virtual ~EffectBufferHalHidl();
65
66    status_t init();
67};
68
69} // namespace android
70
71#endif // ANDROID_HARDWARE_EFFECT_BUFFER_HAL_HIDL_H
72