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 AVCODEC_VIDEO_DECODER_DEMO_H
17 #define AVCODEC_VIDEO_DECODER_DEMO_H
18 
19 #include <atomic>
20 #include <fstream>
21 #include <queue>
22 #include <string>
23 #include <thread>
24 #include <string>
25 
26 #include "surface/window.h"
27 #include "nocopyable.h"
28 #include "native_avcodec_videodecoder.h"
29 #include "avcodec_video_decoder_inner_demo.h"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 #include "libavcodec/avcodec.h"
35 #ifdef __cplusplus
36 }
37 #endif
38 
39 namespace OHOS {
40 namespace MediaAVCodec {
41 namespace VideoDemo {
42 class VDecSignal {
43 public:
44     std::mutex inMutex_;
45     std::mutex outMutex_;
46     std::condition_variable inCond_;
47     std::condition_variable outCond_;
48     std::queue<uint32_t> inQueue_;
49     std::queue<uint32_t> outQueue_;
50     std::queue<OH_AVMemory *> inBufferQueue_;
51     std::queue<OH_AVMemory *> outBufferQueue_;
52     std::queue<OH_AVCodecBufferAttr> attrQueue_;
53 };
54 
55 class VDecDemo : public NoCopyable {
56 public:
57     VDecDemo();
58     virtual ~VDecDemo();
59     void RunCase(std::string &mode);
60     void RunDrmCase();
61 
62 private:
63     int32_t CreateDec();
64     int32_t Configure(OH_AVFormat *format);
65     int32_t SetSurface(OHNativeWindow *window);
66     sptr<Surface> GetSurface(std::string &mode);
67     int32_t Start();
68     int32_t Stop();
69     int32_t Flush();
70     int32_t Reset();
71     int32_t Release();
72     int32_t ExtractPacket();
73     void InputFunc();
74     void OutputFunc();
75 
76     std::atomic<bool> isRunning_ = false;
77     std::unique_ptr<std::ifstream> inputFile_ = nullptr;
78     std::unique_ptr<std::ofstream> outFile_ = nullptr;
79     std::unique_ptr<std::thread> inputLoop_ = nullptr;
80     std::unique_ptr<std::thread> outputLoop_ = nullptr;
81     OH_AVCodec *videoDec_ = nullptr;
82     VDecSignal *signal_ = nullptr;
83     struct OH_AVCodecAsyncCallback cb_;
84     bool isFirstFrame_ = true;
85     int64_t timeStamp_ = 0;
86 
87     // Extract packet
88     static constexpr int32_t VIDEO_INBUF_SIZE = 10240;
89     static constexpr int32_t VIDEO_REFILL_THRESH = 4096;
90     const AVCodec *codec_ = nullptr;
91     AVCodecParserContext *parser_ = nullptr;
92     AVCodecContext *codec_ctx_ = nullptr;
93     AVPacket *pkt_ = nullptr;
94     size_t data_size_ = 0;
95     uint8_t *data_ = nullptr;
96     uint8_t inbuf_[VIDEO_INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE] = {0};
97     bool file_end_ = false;
98     std::string mode_ = "0";
99 };
100 } // namespace VideoDemo
101 } // namespace MediaAVCodec
102 } // namespace OHOS
103 #endif // AVCODEC_VIDEO_DECODER_DEMO_H
104