AAudioEndpointManager.h revision 87c9f646a94259d7c321c3b3d5947fa1778f5ac2 
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 AAUDIO_AAUDIO_ENDPOINT_MANAGER_H
18#define AAUDIO_AAUDIO_ENDPOINT_MANAGER_H
19
20#include <map>
21#include <mutex>
22#include <utils/Singleton.h>
23
24#include "binding/AAudioServiceMessage.h"
25#include "AAudioServiceEndpoint.h"
26#include "AAudioServiceEndpointCapture.h"
27#include "AAudioServiceEndpointPlay.h"
28
29namespace aaudio {
30
31class AAudioEndpointManager : public android::Singleton<AAudioEndpointManager>{
32public:
33    AAudioEndpointManager();
34    ~AAudioEndpointManager() = default;
35
36    /**
37     * Find a service endpoint for the given deviceId and direction.
38     * If an endpoint does not already exist then it will try to create one.
39     *
40     * @param deviceId
41     * @param direction
42     * @return endpoint or nullptr
43     */
44    AAudioServiceEndpoint *openEndpoint(android::AAudioService &audioService,
45                                        int32_t deviceId,
46                                        aaudio_direction_t direction);
47
48    void closeEndpoint(AAudioServiceEndpoint *serviceEndpoint);
49
50private:
51
52    std::mutex    mLock;
53
54    std::map<int32_t, AAudioServiceEndpointCapture *> mInputs;
55    std::map<int32_t, AAudioServiceEndpointPlay *> mOutputs;
56
57};
58
59} /* namespace aaudio */
60
61#endif //AAUDIO_AAUDIO_ENDPOINT_MANAGER_H
62