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