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1 /*
2  * Copyright (C) 2022 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 
28 namespace OHOS {
29 namespace Media {
30 class VDecSignal {
31 public:
32     std::mutex inMutex_;
33     std::mutex outMutex_;
34     std::condition_variable inCond_;
35     std::condition_variable outCond_;
36     std::queue<uint32_t> inQueue_;
37     std::queue<uint32_t> outQueue_;
38 };
39 
40 class VDecDemoCallback : public AVCodecCallback, public NoCopyable {
41 public:
VDecDemoCallback(std::shared_ptr<VDecSignal> signal)42     explicit VDecDemoCallback(std::shared_ptr<VDecSignal> signal) : signal_(signal) {};
43     virtual ~VDecDemoCallback() = default;
44 
45     void OnError(AVCodecErrorType errorType, int32_t errorCode) override;
46     void OnOutputFormatChanged(const Format &format) override;
47     void OnInputBufferAvailable(uint32_t index) override;
48     void OnOutputBufferAvailable(uint32_t index, AVCodecBufferInfo info, AVCodecBufferFlag flag) override;
49 
50 private:
51     std::shared_ptr<VDecSignal> signal_;
52 };
53 
54 class VDecDemo : public NoCopyable {
55 public:
56     VDecDemo() = default;
57     virtual ~VDecDemo() = default;
58     void RunCase();
59     void SetOutputSurface(sptr<Surface> surface);
60     void SetWindowSize(uint32_t width, uint32_t height);
61 
62 private:
63     int32_t CreateVdec();
64     int32_t Configure(const Format &format);
65     int32_t Prepare();
66     int32_t Start();
67     int32_t Stop();
68     int32_t Flush();
69     int32_t Reset();
70     int32_t Release();
71     int32_t SetSurface();
72     const int32_t *GetFrameLen();
73     void InputFunc();
74     void OutputFunc();
75     void CheckCodecType();
76 
77     std::atomic<bool> isRunning_ = false;
78     sptr<Surface> surface_ = nullptr;
79     uint32_t width_ = 0;
80     uint32_t height_ = 0;
81     std::unique_ptr<std::ifstream> testFile_;
82     std::unique_ptr<std::thread> inputLoop_;
83     std::unique_ptr<std::thread> outputLoop_;
84     std::shared_ptr<Media::AVCodecVideoDecoder> vdec_;
85     std::shared_ptr<VDecSignal> signal_;
86     std::shared_ptr<VDecDemoCallback> cb_;
87     bool isFirstFrame_ = true;
88     bool isW = true;
89     int64_t timeStamp_ = 0;
90     uint32_t frameCount_ = 0;
91     uint32_t defaultFrameCount_ = 0;
92 };
93 } // namespace Media
94 } // namespace OHOS
95 #endif // AVCODEC_VDEC_DEMO_H