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;
}
原文地址:https://www.cnblogs.com/cnchengv/p/15722662.html