1 /*
2  * Copyright (c) 2024 Shenzhen Kaihong Digital Industry Development 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 
16 #ifndef OHOS_SHARING_AUDIO_PCM_PROCESSOR_H
17 #define OHOS_SHARING_AUDIO_PCM_PROCESSOR_H
18 
19 #include "audio_encoder.h"
20 #include "media_frame_pipeline.h"
21 extern "C" {
22 #include <libavutil/audio_fifo.h>
23 #include <libavutil/mem.h>
24 };
25 
26 namespace OHOS {
27 namespace Sharing {
28 class AudioPcmProcessor : public AudioEncoder {
29 public:
30     AudioPcmProcessor();
31     ~AudioPcmProcessor();
32 
33     int32_t Init(uint32_t channels = 2, uint32_t sampleBit = 16, uint32_t sampleRate = 44100) override;
34     void OnFrame(const Frame::Ptr &frame) override ;
35 private:
36     void PcmLittleToBigEndian(uint8_t *data, int32_t size);
37 
38 private:
39     uint32_t channels_;
40     uint32_t sampleBit_;
41     uint32_t sampleRate_;
42     uint32_t sampleSize_;
43     AVAudioFifo *fifo_ = nullptr;
44 };
45 
46 } // namespace Sharing
47 } // namespace OHOS
48 #endif
49