1 /*
2  * Copyright (C) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef A2DP_SHARED_BUFFER_H
16 #define A2DP_SHARED_BUFFER_H
17 #include <cstdint>
18 #include <cstdlib>
19 #include <mutex>
20 #include "a2dp_encoder_sbc.h"
21 
22 namespace OHOS {
23 namespace bluetooth {
24 class A2dpSharedBuffer {
25 public:
26     A2dpSharedBuffer();
27     uint32_t Read(uint8_t *buf, uint32_t len);
28     uint32_t Write(const uint8_t *buf, uint32_t len);
29     void Reset();
30     void SetValid(bool isValid);
31     ~A2dpSharedBuffer();
32 private:
33     uint32_t cap_;
34     uint8_t buf_[A2DP_SBC_MAX_PACKET_SIZE * FRAME_THREE] = {};
35     uint8_t shiftBuf_[A2DP_SBC_MAX_PACKET_SIZE * FRAME_THREE] = {};
36     uint32_t size_;
37     std::mutex mutex_;
38     bool isValid_ = false;
39 };
40 }  // namespace bluetooth
41 }  // namespace OHOS
42 
43 #endif  // A2DP_SHARED_BUFFER_H