
<p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">hello.<br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">I need help.</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">I would like to RTSP stream the frames captured from the PC screen.</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">When I create SimpleRTPSink() within the createNewRTPSink() function,</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">doGetNextFrame() of FramedSource is called when camera data is received</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">However, when I create H264VideoRTPSink() within the createNewRTPSink() function, doGetNextFrame() of FramedSource is not called.</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">I need to create H264VideoRTPSink() to encode the video in h264 and stream it.</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">I've been struggling with this problem for a week.</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">Please help.</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">/********************************** main ***************************************************/</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">main()</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">{</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">OutPacketBuffer::maxSize = 100000; </p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    cv::VideoCapture cap(0);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    if (!cap.isOpened()) {</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        fprintf(stderr, "Could not open camera\n");</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        return -1;</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    // ë¼ì´ë¸Œ555 í™˜ê²½ ì´ˆê¸°í™”</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    TaskScheduler* scheduler = BasicTaskScheduler::createNew();</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    UsageEnvironment* env = BasicUsageEnvironment::createNew(*scheduler);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    // Create a single groupsock to stream RTP packets</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    struct sockaddr_storage destinationAddress;</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    destinationAddress.ss_family = AF_INET;</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    ((struct sockaddr_in&)destinationAddress).sin_addr.s_addr = chooseRandomIPv4SSMAddress(*env);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    //Groupsock rtpGroupsock(*env, 30000, IP_MULTICAST_TTL);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    Groupsock rtpGroupsock(*env, destinationAddress, 18888, 255);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    // RTSP ì„œë²„ ìƒì„±</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    RTSPServer* rtspServer = RTSPServer::createNew(*env, 8554);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    if (rtspServer == NULL) {</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        *env << "Failed to create RTSP server: " << env->getResultMsg() << "\n";</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        return -1;</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    // ìŠ¤íŠ¸ë¦¬ë° ì„¸ì…˜ ìƒì„±</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    ServerMediaSession* sms = ServerMediaSession::createNew(*env, "ggg", "Live Stream", "Live stream from webcam");</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    sms->addSubsession(H264LiveServerMediaSubsession::createNew(*env, cap));</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    rtspServer->addServerMediaSession(sms);</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    *env << "RTSP stream ready at rtsp://localhost:8554/ggg\n";</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    // ì´ë²¤íŠ¸ ë£¨í”„</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    env->taskScheduler().doEventLoop();</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    return 0;</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">}</p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">/********************************** H264LiveServerMediaSubsession.h ***************************************************/<br style="box-sizing: content-box;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"></p><p style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">#include "H264LiveSource.h"</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">class H264LiveServerMediaSubsession : public OnDemandServerMediaSubsession {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">public:</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    static H264LiveServerMediaSubsession* createNew(UsageEnvironment& env, cv::VideoCapture& cap) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        return new H264LiveServerMediaSubsession(env, cap);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">protected:</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    H264LiveServerMediaSubsession(UsageEnvironment& env, cv::VideoCapture& cap)</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        : OnDemandServerMediaSubsession(env, true), fCap(cap), fFrameIndex(0), fLiveSource(NULL) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        // Initialize FFmpeg</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        //avcodec_register_all();</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        avformat_network_init();</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codec = avcodec_find_encoder(AV_CODEC_ID_H264);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx = avcodec_alloc_context3(codec);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->bit_rate = 400000;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->width = 640;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->height = 480;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->time_base = { 1, 25 };</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->framerate = { 25, 1 };</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->gop_size = 10;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->max_b_frames = 1;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        codecCtx->pix_fmt = AV_PIX_FMT_YUV420P;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        if (avcodec_open2(codecCtx, codec, NULL) < 0) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            fprintf(stderr, "Could not open codec\n");</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        swsCtx = sws_getContext(codecCtx->width, codecCtx->height, AV_PIX_FMT_BGR24,</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            codecCtx->width, codecCtx->height, AV_PIX_FMT_YUV420P,</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            SWS_BICUBIC, NULL, NULL, NULL);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        avFrame = av_frame_alloc();</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        avFrame->format = codecCtx->pix_fmt;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        avFrame->width = codecCtx->width;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        avFrame->height = codecCtx->height;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        av_frame_get_buffer(avFrame, 32);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    virtual ~H264LiveServerMediaSubsession() {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        av_frame_free(&avFrame);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        sws_freeContext(swsCtx);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        avcodec_free_context(&codecCtx);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    virtual FramedSource* createNewStreamSource(unsigned /*clientSessionId*/, unsigned& estBitrate) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        estBitrate = 500; // kbps</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        //if (fLiveSource == NULL) </p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            fLiveSource = H264LiveSource::createNew(envir(), fCap, codecCtx, swsCtx, avFrame, fFrameIndex);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        return fLiveSource;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    //virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* /*inputSource*/) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    //    return H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    //    //return SimpleRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic, 90000, "video", "H264", 1, true, false);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    //}</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource) override {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        return H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        //return SimpleRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic, 90000, "video", "H264", 1, true, false);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">private:</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    cv::VideoCapture& fCap;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    const AVCodec* codec;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    AVCodecContext* codecCtx;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    SwsContext* swsCtx;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    AVFrame* avFrame;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    unsigned fFrameIndex;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    H264LiveSource* fLiveSource;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">};</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">/********************************** H264LiveSource.h ***************************************************/<br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">class H264LiveSource : public FramedSource {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">public:</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    static H264LiveSource* createNew(UsageEnvironment& env, cv::VideoCapture& cap, AVCodecContext* codecCtx, SwsContext* swsCtx, AVFrame* avFrame, unsigned& frameIndex) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        return new H264LiveSource(env, cap, codecCtx, swsCtx, avFrame, frameIndex);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">protected:</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    H264LiveSource(UsageEnvironment& env, cv::VideoCapture& cap, AVCodecContext* codecCtx, SwsContext* swsCtx, AVFrame* avFrame, unsigned& frameIndex)</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        : FramedSource(env), fCap(cap), fCodecCtx(codecCtx), fSwsCtx(swsCtx), fAvFrame(avFrame), fFrameIndex(frameIndex) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        </p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    virtual ~H264LiveSource() {}</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    virtual void doGetNextFrame() {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        //cv::Mat frame;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        //fCap >> fFrame; // Capture a frame from the camera</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        if (!fCap.read(fFrame)) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        //if (fFrame.empty()) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            handleClosure(this);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            return;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        const uint8_t* srcData[1] = { fFrame.data };</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        int srcLinesize[1] = { static_cast<int>(fFrame.step) };</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        sws_scale(fSwsCtx, srcData, srcLinesize, 0, fFrame.rows, fAvFrame->data, fAvFrame->linesize);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        fAvFrame->pts = fFrameIndex;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        AVPacket pkt;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        av_init_packet(&pkt);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        pkt.data = NULL;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        pkt.size = 0;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        int ret = avcodec_send_frame(fCodecCtx, fAvFrame);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        if (ret < 0) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            envir() << "Error sending frame to codec context\n";</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            handleClosure(this);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            return;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        ret = avcodec_receive_packet(fCodecCtx, &pkt);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        if (ret == 0) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            if (pkt.size > fMaxSize) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">                fFrameSize = fMaxSize;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">                fNumTruncatedBytes = pkt.size - fMaxSize;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            else {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">                fFrameSize = pkt.size;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">                fNumTruncatedBytes = 0;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            memmove(fTo, pkt.data, fFrameSize);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            fPresentationTime.tv_sec = fFrameIndex / fCodecCtx->time_base.den;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            fPresentationTime.tv_usec = (fFrameIndex % fCodecCtx->time_base.den) * (1000000 / fCodecCtx->time_base.den);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            ++fFrameIndex;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            FramedSource::afterGetting(this);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            av_packet_unref(&pkt);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            envir() << "Error receiving packet from codec context\n";</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            handleClosure(this);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            return;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        else {</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            envir() << "Error receiving packet from codec context\n";</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            handleClosure(this);</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">            return;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">        }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    }</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;"><br style="box-sizing: content-box;"></p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">private:</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    cv::VideoCapture& fCap;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    cv::Mat fFrame;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    AVCodecContext* fCodecCtx;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    SwsContext* fSwsCtx;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    AVFrame* fAvFrame;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">    unsigned& fFrameIndex;</p><p class="MsoNormal" style="box-sizing: content-box; font-family: Arial, "Apple SD Gothic Neo", Gulim;">};</p><p><br><br></p><p></p><p><style unikey="ecountPStyleUnikey">p{margin-top:0px;margin-bottom:0px;}</style></p><p></p><p></p><p class="MsoNormal"></p><p class="MsoNormal"><br></p><p>


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  mso-themecolor:background2;mso-themeshade:64">Hyungu Kang<o:p></o:p></span></p>

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  mso-themecolor:background2;mso-themeshade:64">Senior Research Engineer / S/W

  R&D Team<o:p></o:p></span></p>

  <p class="MsoNormal" style="margin-bottom:0cm;line-height:normal"><span lang="EN-US"><a href="http://www.autol.co.kr/"><span style="font-size:8.0pt;

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  .5;line-height:normal"><span lang="EN-US" style="font-size:8.0pt;color:#767171;

  mso-themecolor:background2;mso-themeshade:128">T 070-4228-1071 F 031-702-5314

  M 010-8584-8093 E <u style="text-underline:#767171;mso-text-underline-themecolor:

  background2;mso-text-underline-themeshade:128">hyungu.kang@autol.co.kr</u><o:p></o:p></span></p>

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  .5;line-height:normal"><span lang="EN-US" style="font-size:8.0pt;color:#767171;

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  mso-themecolor:background2;mso-themeshade:128">305, 11 Geumto-ro 80beon-gil,

  Sujeong-gu, Seongnam-si, Gyeonggi-do, 13453, Republic of Korea</span><span lang="EN-US" style="font-size:8.0pt;mso-bidi-font-size:9.0pt;color:#3B3838;

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  background2;mso-themeshade:128">ì´ ë©”ì‹œì§€<span lang="EN-US">(</span>ì²¨ë¶€íŒŒì¼ í¬í•¨<span lang="EN-US">)</span>ëŠ” ì§€ì •ëœ ìˆ˜ì‹ ì¸ì—ê²Œë§Œ ì „ë‹¬ë  ëª©ì ìœ¼ë¡œ ë°œì†¡ë˜ì—ˆìœ¼ë©°<span lang="EN-US">, </span>ë¶€ì •ê²½ìŸë°©ì§€

  ë° ì˜ì—…ë¹„ë°€ì˜ ë³´í˜¸ì— ê´€í•œ ë²•ë¥  ë“± ê´€ê³„ë²•ë ¹ì— ë”°ë¼ ë²•ìœ¼ë¡œ ë³´í˜¸ë˜ëŠ” ì¤‘ìš”í•œ ì •ë³´ë¥¼ ë‹´ê³  ìžˆì„ ìˆ˜ ìžˆìŠµë‹ˆë‹¤<span lang="EN-US">. </span>ì´

  ë©”ì‹œì§€ì™€ ì²¨ë¶€íŒŒì¼ ë“±ì— ìžˆì–´ì„œ<span lang="EN-US">, </span>ê³µê°œ<span lang="EN-US">, </span>ë³µì‚¬<span lang="EN-US">, </span>ë°°í¬ ë˜ëŠ” ê¸°ìž¬ëœ ë‚´ìš©ì„ ê·¼ê±°ë¡œ í•œ ì¼ì²´ì˜ í–‰ë™ ë“±ì˜<span lang="EN-US"> 2</span>ì°¨ í™œìš©ì—

  ëŒ€í•´ì„œëŠ” ë©”ì¼ ë°œì‹ ìžì—ê²Œ í™•ì¸ì„ ë°›ì•„ì•¼ í•˜ë©°<span lang="EN-US">, </span>ë©”ì¼ ë°œì‹ ìžì˜ í™•ì¸ì´ ì—†ëŠ”<span lang="EN-US"> 2</span>ì°¨ í™œìš©ì€ ì—„ê²©ížˆ ê¸ˆì§€ë˜ì–´ ìžˆìŒì„ ì£¼ì§€í•˜ì‹œê¸° ë°”ëžë‹ˆë‹¤<span lang="EN-US">. </span>ë§Œì•½

  ì´ ë©”ì‹œì§€ê°€ ìž˜ëª» ì „ì†¡ë˜ì—ˆì„ ê²½ìš°<span lang="EN-US">, </span>ë°œì‹ ì¸ ë˜ëŠ” ë‹¹ì‚¬ì— ì•Œë ¤ì£¼ì‹œê³ <span lang="EN-US">,

  </span>ë³¸ ë©”ì‹œì§€ë¥¼ ì¦‰ì‹œ ì‚ì œí•˜ì—¬ ì£¼ì‹œê¸° ë°”ëžë‹ˆë‹¤<span lang="EN-US">.<o:p></o:p></span></span></p>

  <p class="MsoNormal" style="margin-bottom:0cm;line-height:normal"><span lang="EN-US" style="font-size:7.0pt;mso-bidi-font-size:8.0pt;color:#767171;

  mso-themecolor:background2;mso-themeshade:128">This message (including

  attachments) contains confidential information intended for a specific

  individual and purpose and is protected by law. If you are not the intended

  recipient, you should delete this message and are hereby notified that any

  disclosure, copying, or distribution of this message, or the taking of any

  action based on it, is strictly prohibited. <o:p></o:p></span></p>

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