• 1223 ringbuf 主要就几个地方


    #ifndef _CRT_SECURE_NO_WARNINGS
    #define _CRT_SECURE_NO_WARNINGS
    #endif
    
    #include "xop/RtmpServer.h"
    #include "xop/HttpFlvServer.h"
    #include "xop/RtmpPublisher.h"
    #include "xop/RtmpClient.h"
    #include "xop/HttpFlvServer.h"
    #include "xop/H264Parser.h"
    #include "net/EventLoop.h"
    #include "CGBlockRingBuffer.h"
    
    
    #define TEST_RTMP_PUSHER  1
    #define TEST_RTMP_CLIENT  0
    #define TEST_MULTI_THREAD 0
    #define RTMP_URL    "rtmp://127.0.0.1:1935/live/01"
    #define PUSH_FILE   "mcodec1214.h264"
    #define HTTP_URL    "http://127.0.0.1:8080/live/01.flv"
    
    
    
    
    #define   GBUFF_MAX_SIZE 10*1024 * 1024
    #define   ONE_READ_SIZE 1024*1024
    
    char gbuf[GBUFF_MAX_SIZE] = { 0 };
    int  gbufDatasize = 0;
    int  gBytesRead = 0;
    
    int TestRtmpPublisher(xop::EventLoop* event_loop);
    //char* sdPath = "data/data/com.example.testrtsp/1218.h264";
    
    char* sdPath = ( char*)PUSH_FILE;
    
    void WriteGbufToFile() {
        FILE* m_file = NULL;
        m_file = fopen(sdPath, "wb");
        if (m_file == NULL)
        {
            printf("Open %s error %d!", sdPath, errno);
            return;
        }
        int ret = fwrite(gbuf, gbufDatasize, 1, m_file);
        printf("ret %d --->!", ret);
        fclose(m_file);
        return;
    
    }
    
    CGBlockRingBuffer* pRingBuffer;
    
    #define INIT_BUFFER_SIZE 1*1024*1024
    
    int main()
    //int rtmpMain()
    {
        printf("rtmpMain---->");
        pRingBuffer = new CGBlockRingBuffer();
        pRingBuffer->Init(INIT_BUFFER_SIZE);
    
        //WriteGbufToFile();
        //return 0;
    
        int count = 1;
    #if TEST_MULTI_THREAD
        count = std::thread::hardware_concurrency();
    #endif
        xop::EventLoop event_loop(count);
    
        /* rtmp server example */
        auto rtmp_server = xop::RtmpServer::Create(&event_loop);
        rtmp_server->SetChunkSize(60000);
        //rtmp_server->SetGopCache(); /* enable gop cache */
        rtmp_server->SetEventCallback([](std::string type, std::string stream_path) {
            printf("[Event] %s, stream path: %s\n\n", type.c_str(), stream_path.c_str());
            });
        if (!rtmp_server->Start("0.0.0.0", 1935)) {
            printf("RTMP Server listen on 1935 failed.\n");
        }
    
        /* http-flv server example */
        /*
        xop::HttpFlvServer http_flv_server;
        http_flv_server.Attach(rtmp_server);
        if (!http_flv_server.Start("0.0.0.0", 8080)) {
            printf("HTTP FLV Server listen on 8080 failed.\n");
        }*/
    
    #if TEST_RTMP_PUSHER
        /* rtmp pusher example */
        std::thread t([&event_loop]() {
            TestRtmpPublisher(&event_loop);
            });
        t.detach();
    #endif 
        /*
        #if    TEST_RTMP_CLIENT
            auto rtmp_client = xop::RtmpClient::Create(&event_loop);
            rtmp_client->SetFrameCB([](uint8_t* payload, uint32_t length, uint8_t codecId, uint32_t timestamp) {
                printf("recv frame, type:%u, size:%u,\n", codecId, length);
            });
    
            std::string status;
            if (rtmp_client->OpenUrl(RTMP_URL, 3000, status) != 0) {
                printf("Open url %s failed, status: %s\n", RTMP_URL, status.c_str());
            }
        #endif
        */
    
        while (1) {
            std::this_thread::sleep_for(std::chrono::milliseconds(100));
        }
    
        rtmp_server->Stop();
        //http_flv_server.Stop();
        return 0;
    }
    
    
    class H264File
    {
    public:
        H264File(int bufSize = 5000000);
        ~H264File();
    
        bool open(const char* path);
        void Close();
    
        bool isOpened() const
        {
            return (m_file != NULL);
        }
    
        int readFrame(char* inBuf, int inBufSize, bool* bEndOfFrame);
        int readFrameFromGbuf(char* inBuf, int inBufSize, bool* bEndOfFrame);
        int readfileToGBbuf();
    private:
        FILE* m_file = NULL;
        char* m_buf = NULL;
        int m_bufSize = 0;
        int m_bytesUsed = 0;
        int m_count = 0;
    };
    
    H264File::H264File(int bufSize)
        : m_bufSize(bufSize)
    {
        m_buf = new char[m_bufSize];
    }
    
    H264File::~H264File()
    {
        delete m_buf;
    }
    
    bool H264File::open(const char* path)
    {
        m_file = fopen(path, "rb");
        if (m_file == NULL)
        {
            return false;
        }
    
        return true;
    }
    
    void H264File::Close()
    {
        if (m_file)
        {
            fclose(m_file);
            m_file = NULL;
            m_count = 0;
            m_bytesUsed = 0;
        }
    }
    
    
    int H264File::readfileToGBbuf() {
        FILE* file = NULL;
        file = fopen(sdPath, "rb");
        if (file == NULL)
        {
            printf("Open %s error %d!", sdPath, errno);
            return -1;
        }
        fseek(file, 0, SEEK_SET);
    
        int bytesRead = (int)fread(gbuf, 1, GBUFF_MAX_SIZE, file);
        gbufDatasize = bytesRead;
        fclose(file);
        pRingBuffer->Write((unsigned char*)(gbuf), bytesRead);
        printf("readfileToGBbuf ----->\n");
        return 0;
    }
    int   pushOneFrame(char* inBuf, int inBufSize) {
        if (gbufDatasize + inBufSize > 5 * 1024 * 1024) {
            printf("pushOneFrame out---- %d--->\n", gbufDatasize);
            return -1;
        }
        memcpy(gbuf + gbufDatasize, inBuf, inBufSize);
        gbufDatasize += inBufSize;
        return 1;
    }
    
    int H264File::readFrameFromGbuf(char* inBuf, int inBufSize, bool* bEndOfFrame) {
        /*
        int tmpOneStepRead = ONE_READ_SIZE;
        if (gBytesRead >= gbufDatasize) gBytesRead = 0;
        if (gbufDatasize - gBytesRead < ONE_READ_SIZE)
            tmpOneStepRead = gbufDatasize - gBytesRead;
    
        memcpy(m_buf, gbuf + gBytesRead, tmpOneStepRead);
    */
        int tmpOneStepRead = pRingBuffer->getNotRead((UINT8*)m_buf, inBufSize);
    
        if (0 == tmpOneStepRead) {
            pRingBuffer->Write((unsigned char*)(gbuf), gbufDatasize);
            printf(" pRingBuffer->Write---- %d--->\n", gbufDatasize);
        }
    
        //
        int bytesRead = tmpOneStepRead;
        bool bFindStart = false, bFindEnd = false;
    
        int i = 0, startCode = 3;
        *bEndOfFrame = false;
        for (i = 0; i < bytesRead - 5; i++)
        {
            if (m_buf[i] == 0 && m_buf[i + 1] == 0 && m_buf[i + 2] == 1)
            {
                startCode = 3;
            }
            else if (m_buf[i] == 0 && m_buf[i + 1] == 0 && m_buf[i + 2] == 0 && m_buf[i + 3] == 1)
            {
                startCode = 4;
            }
            else
            {
                continue;
            }
    
            if (((m_buf[i + startCode] & 0x1F) == 0x5 || (m_buf[i + startCode] & 0x1F) == 0x1) &&
                ((m_buf[i + startCode + 1] & 0x80) == 0x80))
            {
                bFindStart = true;
                i += 4;
                break;
            }
        }
    
        for (; i < bytesRead - 5; i++)
        {
            if (m_buf[i] == 0 && m_buf[i + 1] == 0 && m_buf[i + 2] == 1)
            {
                startCode = 3;
            }
            else if (m_buf[i] == 0 && m_buf[i + 1] == 0 && m_buf[i + 2] == 0 && m_buf[i + 3] == 1)
            {
                startCode = 4;
            }
            else
            {
                continue;
            }
    
            if (((m_buf[i + startCode] & 0x1F) == 0x7) || ((m_buf[i + startCode] & 0x1F) == 0x8)
                || ((m_buf[i + startCode] & 0x1F) == 0x6) || (((m_buf[i + startCode] & 0x1F) == 0x5
                    || (m_buf[i + startCode] & 0x1F) == 0x1) && ((m_buf[i + startCode + 1] & 0x80) == 0x80)))
            {
                bFindEnd = true;
                break;
            }
        }
    
        bool flag = false;
        if (bFindStart && !bFindEnd && m_count > 0)
        {
            flag = bFindEnd = true;
            i = bytesRead;
            *bEndOfFrame = true;
        }
    
        if (!bFindStart || !bFindEnd)
        {
            this->Close();
            return -1;
        }
    
        int size = (i <= inBufSize ? i : inBufSize);
       // memcpy(inBuf, m_buf, size);
        
        int ret = pRingBuffer->Read((unsigned char*)inBuf, size);
        if (ret != size) {
            printf("ret %d != size %d\n", ret, size);
        }
        
        if (!flag)
        {
            m_count += 1;
            m_bytesUsed += i;
        }
        else
        {
            m_count = 0;
            m_bytesUsed = 0;
        }
    
     
        gBytesRead = m_bytesUsed;
        return size;
    }
    
    
    
    int TestRtmpPublisher(xop::EventLoop* event_loop)
    {
        H264File h264_file;
        /*
        if (!h264_file.open(PUSH_FILE)) {
            LOGE("Open %s failed.\n", PUSH_FILE);
            return -1;
        }
        */
        /* push stream to local rtmp server */
        xop::MediaInfo media_info;
        auto publisher = xop::RtmpPublisher::Create(event_loop);
        publisher->SetChunkSize(60000);
    
        std::string status;
        if (publisher->OpenUrl(RTMP_URL, 3000, status) < 0) {
            printf("Open url %s failed, status: %s\n", RTMP_URL, status.c_str());
            return -1;
        }
    
       // int buf_size = 500000;
        int buf_size = 30000;
        bool end_of_frame = false;
        bool has_sps_pps = false;
        uint8_t* frame_buf = new uint8_t[buf_size];
        h264_file.readfileToGBbuf();
    
    
        while (publisher->IsConnected())
        {
            //int frameSize = h264_file.readFrame((char*)frame_buf, buf_size, &end_of_frame);
            int frameSize = h264_file.readFrameFromGbuf((char*)frame_buf, buf_size, &end_of_frame);
            if (frameSize > 0) {
                if (!has_sps_pps) {
                    if (frame_buf[3] == 0x67 || frame_buf[4] == 0x67) {
                        xop::Nal sps = xop::H264Parser::findNal(frame_buf, frameSize);
                        if (sps.first != nullptr && sps.second != nullptr && *sps.first == 0x67) {
                            media_info.sps_size = (uint32_t)(sps.second - sps.first + 1);
                            media_info.sps.reset(new uint8_t[media_info.sps_size], std::default_delete<uint8_t[]>());
                            memcpy(media_info.sps.get(), sps.first, media_info.sps_size);
    
                            xop::Nal pps = xop::H264Parser::findNal(sps.second, frameSize - (int)(sps.second - frame_buf));
                            if (pps.first != nullptr && pps.second != nullptr && *pps.first == 0x68) {
                                media_info.pps_size = (uint32_t)(pps.second - pps.first + 1);
                                media_info.pps.reset(new uint8_t[media_info.pps_size], std::default_delete<uint8_t[]>());
                                memcpy(media_info.pps.get(), pps.first, media_info.pps_size);
    
                                has_sps_pps = true;
                                publisher->SetMediaInfo(media_info); /* set sps pps */
                                printf("Start rtmp pusher, rtmp url: %s , http-flv url: %s \n\n", RTMP_URL, HTTP_URL);
                            }
                        }
                    }
                }
    
                if (has_sps_pps) {
                    publisher->PushVideoFrame(frame_buf, frameSize); /* send h.264 frame */
                }
            }
    
            std::this_thread::sleep_for(std::chrono::milliseconds(40));
        }
    
        delete frame_buf;
        return 0;
    }
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  • 原文地址:https://www.cnblogs.com/cnchengv/p/15722662.html
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