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 #ifndef AVCODEC_AUDIO_CODEC_IMPL_H
16 #define AVCODEC_AUDIO_CODEC_IMPL_H
17 
18 #include <queue>
19 #include "avcodec_audio_codec.h"
20 #include "nocopyable.h"
21 #include "task_thread.h"
22 #include "i_avcodec_service.h"
23 #include "meta/meta.h"
24 #include "buffer/avbuffer.h"
25 #include "buffer/avbuffer_queue.h"
26 #include "buffer/avbuffer_queue_consumer.h"
27 #include "buffer/avbuffer_queue_define.h"
28 #include "buffer/avbuffer_queue_producer.h"
29 #include "foundation/multimedia/drm_framework/services/drm_service/ipc/i_keysession_service.h"
30 
31 namespace OHOS {
32 namespace MediaAVCodec {
33 class AVCodecAudioCodecImpl {
34 public:
35     AVCodecAudioCodecImpl();
36     ~AVCodecAudioCodecImpl();
37 
38     int32_t Configure(const Format &format);
39     int32_t Prepare();
40     int32_t Start();
41     int32_t Stop();
42     int32_t Flush();
43     int32_t Reset();
44     int32_t Release();
45     int32_t QueueInputBuffer(uint32_t index);
46     int32_t SetAudioDecryptionConfig(const sptr<DrmStandard::IMediaKeySessionService> &keySession,
47         const bool svpFlag);
48     int32_t GetOutputFormat(Format &format);
49     int32_t ReleaseOutputBuffer(uint32_t index);
50     int32_t SetParameter(const Format &format);
51     int32_t SetCallback(const std::shared_ptr<MediaCodecCallback> &callback);
52     int32_t Init(AVCodecType type, bool isMimeType, const std::string &name);
53     void Notify();
54 
55 private:
56     void ProduceInputBuffer();
57     void ConsumerOutputBuffer();
58     int32_t GetInputBufferSize();
59     void ClearCache();
60     void StopTask();
61     void PauseTask();
62     void StopTaskAsync();
63     void PauseTaskAsync();
64     void ClearInputBuffer();
65     void ReturnInputBuffer();
66 
67 private:
68     class AVCodecInnerCallback : public MediaCodecCallback {
69     public:
70         explicit AVCodecInnerCallback(AVCodecAudioCodecImpl *impl);
71         ~AVCodecInnerCallback() = default;
72         void OnError(AVCodecErrorType errorType, int32_t errorCode) override;
73         void OnOutputFormatChanged(const Format &format) override;
74         void OnInputBufferAvailable(uint32_t index, std::shared_ptr<AVBuffer> buffer) override;
75         void OnOutputBufferAvailable(uint32_t index, std::shared_ptr<AVBuffer> buffer) override;
76 
77     private:
78         AVCodecAudioCodecImpl *impl_;
79     };
80 
81 private:
82     std::atomic<bool> isRunning_;
83     std::shared_ptr<ICodecService> codecService_ = nullptr;
84     std::shared_ptr<Media::AVBufferQueue> implBufferQueue_;
85     std::unique_ptr<TaskThread> inputTask_;
86     std::unique_ptr<TaskThread> outputTask_;
87     std::shared_ptr<MediaCodecCallback> callback_;
88     std::condition_variable inputCondition_;
89     std::condition_variable outputCondition_;
90     std::mutex inputMutex_;
91     std::mutex inputMutex2_;
92     std::mutex outputMutex_;
93     std::mutex outputMutex_2;
94     std::atomic<int32_t> bufferConsumerAvailableCount_ = 0;
95     std::atomic<uint32_t> indexInput_ = 0;
96     std::atomic<uint32_t> indexOutput_ = 0;
97     int32_t inputBufferSize_ = 0;
98     std::queue<std::shared_ptr<AVBuffer>> inputIndexQueue;
99     std::map<uint32_t, std::shared_ptr<AVBuffer>> inputBufferObjMap_;
100     std::map<uint32_t, std::shared_ptr<AVBuffer>> outputBufferObjMap_;
101     sptr<Media::AVBufferQueueProducer> mediaCodecProducer_;
102     sptr<Media::AVBufferQueueProducer> implProducer_;
103     sptr<Media::AVBufferQueueConsumer> implConsumer_;
104 };
105 
106 class AudioCodecConsumerListener : public Media::IConsumerListener {
107 public:
108     explicit AudioCodecConsumerListener(AVCodecAudioCodecImpl *impl);
109     void OnBufferAvailable() override;
110 private:
111     AVCodecAudioCodecImpl *impl_;
112 };
113 
114 class AudioCodecProducerListener : public IRemoteStub<Media::IProducerListener> {
115 public:
116     explicit AudioCodecProducerListener(AVCodecAudioCodecImpl *impl);
117     void OnBufferAvailable() override;
118 private:
119     AVCodecAudioCodecImpl *impl_;
120     bool isCousumer_;
121 };
122 
123 } // namespace MediaAVCodec
124 } // namespace OHOS
125 #endif // AVCODEC_AUDIO_CODEC_IMPL_H