1 /*
2  * Copyright (C) 2023 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 
16 #ifndef AUDIO_FFMPEG_OPUS_DECODER_PLUGIN_H
17 #define AUDIO_FFMPEG_OPUS_DECODER_PLUGIN_H
18 
19 #include <mutex>
20 #include "audio_base_codec.h"
21 #include "avcodec_codec_name.h"
22 #include "audio_base_codec.h"
23 #include "nocopyable.h"
24 #include "audio_base_codec_ext.h"
25 
26 namespace OHOS {
27 namespace MediaAVCodec {
28 enum ParaType : int32_t {
29     CHANNEL = 0,
30     SAMPLE_RATE = 1,
31 };
32 
33 class AudioOpusDecoderPlugin : public AudioBaseCodec::CodecRegister<AudioOpusDecoderPlugin> {
34 public:
35     AudioOpusDecoderPlugin();
36     ~AudioOpusDecoderPlugin() override;
37 
38     int32_t Init(const Format &format) override;
39     int32_t ProcessSendData(const std::shared_ptr<AudioBufferInfo> &inputBuffer) override;
40     int32_t ProcessRecieveData(std::shared_ptr<AudioBufferInfo> &outBuffer) override;
41     int32_t Reset() override;
42     int32_t Release() override;
43     int32_t Flush() override;
44     int32_t GetInputBufferSize() const override;
45     int32_t GetOutputBufferSize() const override;
46     Format GetFormat() const noexcept override;
47     std::string_view GetCodecType() const noexcept override;
48 
Identify()49     const static std::string Identify()
50     {
51         return std::string(AVCodecCodecName::AUDIO_DECODER_OPUS_NAME);
52     }
53 
54 private:
55     Format format_;
56     mutable std::mutex avMutext_;
57     int32_t CheckSampleFormat();
58     OHOS::MediaAVCodec::AudioBaseCodecExt *PluginCodecPtr;
59     int32_t ret;
60     unsigned char *fbytes;
61     int32_t len;
62     unsigned char *codeData;
63 
64     int32_t channels;
65     int32_t sampleRate;
66     void *handle = nullptr;
67 };
68 } // namespace MediaAVCodec
69 } // namespace OHOS
70 #endif