1/*
2 * Copyright (C) 2015 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#pragma once
18
19#include <system/audio.h>
20#include <utils/Errors.h>
21#include <utils/RefBase.h>
22#include <utils/Errors.h>
23#include <utils/KeyedVector.h>
24
25namespace android {
26
27class AudioPatch : public RefBase
28{
29public:
30    AudioPatch(const struct audio_patch *patch, uid_t uid);
31
32    status_t dump(int fd, int spaces, int index) const;
33
34    audio_patch_handle_t mHandle;
35    struct audio_patch mPatch;
36    uid_t mUid;
37    audio_patch_handle_t mAfPatchHandle;
38
39private:
40    static volatile int32_t mNextUniqueId;
41};
42
43class AudioPatchCollection : public DefaultKeyedVector<audio_patch_handle_t, sp<AudioPatch> >
44{
45public:
46    status_t addAudioPatch(audio_patch_handle_t handle, const sp<AudioPatch>& patch);
47
48    status_t removeAudioPatch(audio_patch_handle_t handle);
49
50    status_t listAudioPatches(unsigned int *num_patches, struct audio_patch *patches) const;
51
52    status_t dump(int fd) const;
53};
54
55}; // namespace android
56