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1 /*
2  * Copyright (c) 2022-2024 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 AVCODEC_VDEC_DEMO_H
17 #define AVCODEC_VDEC_DEMO_H
18 
19 #include <atomic>
20 #include <fstream>
21 #include <queue>
22 #include <string>
23 #include <thread>
24 
25 #include "avcodec_video_decoder.h"
26 #include "nocopyable.h"
27 #include "distributed_hardware_log.h"
28 
29 namespace OHOS {
30 namespace MediaAVCodec {
31 class VDecSignal {
32 public:
33     std::mutex inMutex_;
34     std::mutex outMutex_;
35     std::condition_variable inCond_;
36     std::condition_variable outCond_;
37     std::queue<uint32_t> inQueue_;
38     std::queue<uint32_t> outQueue_;
39     std::queue<std::shared_ptr<Media::AVSharedMemory>> availableInputBufferQueue_;
40 };
41 
42 class VDecDemoCallback : public AVCodecCallback, public NoCopyable {
43 public:
VDecDemoCallback(std::shared_ptr<VDecSignal> signal)44     explicit VDecDemoCallback(std::shared_ptr<VDecSignal> signal) : signal_(signal) {};
45     virtual ~VDecDemoCallback() = default;
46 
47     void OnError(AVCodecErrorType errorType, int32_t errorCode) override;
48     void OnOutputFormatChanged(const Media::Format &format) override;
49     void OnInputBufferAvailable(uint32_t index, std::shared_ptr<Media::AVSharedMemory> buffer) override;
50     void OnOutputBufferAvailable(uint32_t index, AVCodecBufferInfo info, AVCodecBufferFlag flag,
51         std::shared_ptr<Media::AVSharedMemory> buffer) override;
52 
53 private:
54     std::shared_ptr<VDecSignal> signal_;
55 };
56 
57 class VDecDemo : public NoCopyable {
58 public:
59     VDecDemo() = default;
60     virtual ~VDecDemo() = default;
61     void RunCase();
62     void SetOutputSurface(sptr<Surface> surface);
63     void SetWindowSize(uint32_t width, uint32_t height);
64 
65 private:
66     int32_t CreateVdec();
67     int32_t Configure(const Media::Format &format);
68     int32_t Prepare();
69     int32_t Start();
70     int32_t Stop();
71     int32_t Flush();
72     int32_t Reset();
73     int32_t Release();
74     int32_t SetSurface();
75     const int32_t *GetFrameLen();
76     void InputFunc();
77     void OutputFunc();
78     void CheckCodecType();
79 
80     std::atomic<bool> isRunning_ = false;
81     sptr<Surface> surface_ = nullptr;
82     uint32_t width_ = 0;
83     uint32_t height_ = 0;
84     std::unique_ptr<std::ifstream> testFile_;
85     std::unique_ptr<std::thread> inputLoop_;
86     std::unique_ptr<std::thread> outputLoop_;
87     std::shared_ptr<MediaAVCodec::AVCodecVideoDecoder> vdec_;
88     std::shared_ptr<VDecSignal> signal_;
89     std::shared_ptr<VDecDemoCallback> cb_;
90     bool isFirstFrame_ = true;
91     bool isW = true;
92     int64_t timeStamp_ = 0;
93     uint32_t frameCount_ = 0;
94     uint32_t defaultFrameCount_ = 0;
95 };
96 } // namespace MediaAVCodec
97 } // namespace OHOS
98 
99 int StartMirror(int mode);
100 int StopMirror(int mode);
101 int StartExpand(int mode);
102 int StopExpand(int mode);
103 int CreateWindow(int mode);
104 int QueryRemoteDeviceInfo(int mode);
105 int QueryRemoteScreenInfo(int mode);
106 
107 int SaTest();
108 #endif // AVCODEC_VDEC_DEMO_H