<p>as you said</p><p>I checked the testOnDemandRTSPServer demo application,</p><p>I also read the FAQ about liveInput-unicast several times.</p><p><br></p><p>I also implemented and checked a simple sample program.</p><p><br></p><p>1. Like the testOnDemandRTSPServer demo application, I implemented a file streaming demo program using the H264VideoFileServerMediaSubsession object and confirmed that it operates normally.</p><p><br></p><p>2. For real-time streaming, I followed the FAQ about liveInput-unicast.</p><p><span id="goog_1962667220"></span><span style="color: rgb(0, 85, 255);">I created a MyH264LiveServerMediaSubsession object that inherits OnDemandServerMediaSubsession and redefined two pure virtual functions.</span></p><p><span style="color: rgb(0, 85, 255);">The doGetNextFrame function should be called when the camera is connected properly, but it is not working.</span><br></p><p><span style="color: rgb(0, 85, 255);">Since doGetNextFrame is not called, camera frame data cannot be processed or transmitted.</span><span id="goog_1962667221"></span></p><p><br></p><p>No matter how much I think about it, I can't figure out what the problem is.</p><p>I sincerely ask for your help.<br>I am attaching a simplified sample code.<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 class="MsoNormal">/************************ main ***************************************************/</p><p class="MsoNormal">#include "MyH264LiveServerMediaSubsession.h"</p><p class="MsoNormal"><br></p><p class="MsoNormal">main(){</p><p class="MsoNormal"> TaskScheduler* scheduler = BasicTaskScheduler::createNew();</p><p class="MsoNormal"> UsageEnvironment* env = BasicUsageEnvironment::createNew(*scheduler);</p><p class="MsoNormal"><br></p><p class="MsoNormal"> RTSPServer* rtspServer = RTSPServer::createNew(*env, 8554);</p><p class="MsoNormal"> if (rtspServer == NULL) {</p><p class="MsoNormal"> *env << "Failed to create RTSP server: " << env->getResultMsg() << "\n";</p><p class="MsoNormal"> return -1;</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal"> ServerMediaSession* sms = ServerMediaSession::createNew(*env, "ggg", "Live Stream", "Live stream from webcam");</p><p class="MsoNormal"> sms->addSubsession(MyH264LiveServerMediaSubsession::createNew(*env));</p><p class="MsoNormal"> //sms->addSubsession(H264VideoFileServerMediaSubsession::createNew(*env, "D:\\1.264", false));</p><p class="MsoNormal"> rtspServer->addServerMediaSession(sms);</p><p class="MsoNormal"><br></p><p class="MsoNormal"> *env << "RTSP stream ready at rtsp://localhost:8554/ggg\n";</p><p class="MsoNormal"><br></p><p class="MsoNormal"> env->taskScheduler().doEventLoop();</p><p class="MsoNormal"> return 0;</p><p class="MsoNormal">}</p><p class="MsoNormal">/*********************** MyH264LiveServerMediaSubsession.h ****************************************************/</p><p class="MsoNormal">#include "MyH264LiveSource.h"</p><p class="MsoNormal"><br></p><p class="MsoNormal"><br></p><p class="MsoNormal">class MyH264LiveServerMediaSubsession : public OnDemandServerMediaSubsession {</p><p class="MsoNormal">public:</p><p class="MsoNormal"> static MyH264LiveServerMediaSubsession* createNew(UsageEnvironment& env) {</p><p class="MsoNormal"> return new MyH264LiveServerMediaSubsession(env);</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal">protected:</p><p class="MsoNormal"> MyH264LiveServerMediaSubsession(UsageEnvironment& env)</p><p class="MsoNormal"> : OnDemandServerMediaSubsession(env, true) {</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal"> virtual ~MyH264LiveServerMediaSubsession() {</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal"> virtual FramedSource* createNewStreamSource(unsigned /*clientSessionId*/, unsigned& estBitrate) {</p><p class="MsoNormal"> return MyH264LiveSource::createNew(envir());</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal"> virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* /*inputSource*/) {</p><p class="MsoNormal"> return H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);</p><p class="MsoNormal"> //return SimpleRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic, 90000, "video", "H264", 1, true, false);</p><p class="MsoNormal"> }</p><p class="MsoNormal">};</p><p class="MsoNormal"><br></p><p class="MsoNormal">/*********************** MyH264LiveSource.h ****************************************************/</p><p class="MsoNormal">class MyH264LiveSource : public FramedSource {</p><p class="MsoNormal">public:</p><p class="MsoNormal"> static MyH264LiveSource* createNew(UsageEnvironment& env) {</p><p class="MsoNormal"> return new MyH264LiveSource(env);</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal">protected:</p><p class="MsoNormal"> MyH264LiveSource(UsageEnvironment& env)</p><p class="MsoNormal"> : FramedSource(env) {</p><p class="MsoNormal"> }</p><p class="MsoNormal"><br></p><p class="MsoNormal"> virtual ~MyH264LiveSource() {}</p><p class="MsoNormal"><br></p><p class="MsoNormal"><span id="goog_1962667224"></span><span style="color: rgb(0, 85, 255);"> virtual void doGetNextFrame() {</span></p><p class="MsoNormal"><span style="color: rgb(0, 85, 255);"> envir() << "Process Data\n";</span></p><p class="MsoNormal"><span style="color: rgb(0, 85, 255);"> FramedSource::afterGetting(this);</span></p><p class="MsoNormal"><span style="color: rgb(0, 85, 255);"> }</span><span id="goog_1962667225"></span></p><p class="MsoNormal"><br></p><p class="MsoNormal">};</p><p>
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<p class="MsoNormal" style="margin-bottom:0cm;text-indent:5.0pt;mso-char-indent-count:
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<p class="MsoNormal" style="margin-bottom:0cm;line-height:normal"><span style="font-size:9.0pt;mso-bidi-font-size:10.0pt;color:#002C5F">책임연구원 <span lang="EN-US">/ S/W</span>개발팀<span lang="EN-US"><o:p></o:p></span></span></p>
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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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<td width="547px" colspan="2" valign="top" style="width: 547px; border-top: none; border-left: none; border-bottom: 1pt solid rgb(231, 230, 230); border-right: 1pt solid rgb(231, 230, 230); padding: 0cm; height: 49.55pt;">
<p class="MsoNormal" style="margin-bottom:0cm;text-indent:4.0pt;mso-char-indent-count:
.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>
<p class="MsoNormal" style="margin-bottom:0cm;text-indent:4.0pt;mso-char-indent-count:
.5;line-height:normal"><span lang="EN-US" style="font-size:8.0pt;color:#767171;
mso-themecolor:background2;mso-themeshade:128">13453 </span><span style="font-size:8.0pt;color:#767171;mso-themecolor:background2;mso-themeshade:
128">경기도 성남시 수정구 금토로<span lang="EN-US"> 80</span>번길<span lang="EN-US"> 11, </span>판교이노베이션랩
지식산업센터<span lang="EN-US"> 305</span>호<span lang="EN-US"><o:p></o:p></span></span></p>
<p class="MsoNormal" style="margin-bottom:0cm;text-indent:4.0pt;mso-char-indent-count:
.5;line-height:normal"><span lang="EN-US" style="font-size:8.0pt;color:#767171;
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;
mso-themecolor:background2;mso-themeshade:64"><o:p></o:p></span></p>
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<td width="727" colspan="3" valign="top" style="width:545.5pt;border:none;
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padding:0cm 0cm 0cm 0cm;height:84.55pt">
<p class="MsoNormal" style="margin-bottom:0cm;line-height:normal"><span style="font-size:7.0pt;mso-bidi-font-size:8.0pt;color:#767171;mso-themecolor:
background2;mso-themeshade:128">이 메시지<span lang="EN-US">(</span>첨부파일 포함<span lang="EN-US">)</span>는 지정된 수신인에게만 전달될 목적으로 발송되었으며<span lang="EN-US">, </span>부정경쟁방지
및 영업비밀의 보호에 관한 법률 등 관계법령에 따라 법으로 보호되는 중요한 정보를 담고 있을 수 있습니다<span lang="EN-US">. </span>이
메시지와 첨부파일 등에 있어서<span lang="EN-US">, </span>공개<span lang="EN-US">, </span>복사<span lang="EN-US">, </span>배포 또는 기재된 내용을 근거로 한 일체의 행동 등의<span lang="EN-US"> 2</span>차 활용에
대해서는 메일 발신자에게 확인을 받아야 하며<span lang="EN-US">, </span>메일 발신자의 확인이 없는<span lang="EN-US"> 2</span>차 활용은 엄격히 금지되어 있음을 주지하시기 바랍니다<span lang="EN-US">. </span>만약
이 메시지가 잘못 전송되었을 경우<span lang="EN-US">, </span>발신인 또는 당사에 알려주시고<span lang="EN-US">,
</span>본 메시지를 즉시 삭제하여 주시기 바랍니다<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;
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</tbody></table><br><p></p><br><br><br>----- Original Message -----------------------------------<br><b>From :</b> "Ross Finlayson" <finlayson@live555.com><br><b>To :</b> "LIVE555 Streaming Media - development & use" <live-devel@us.live555.com><br><b>Cc :</b> <br><b>Sent :</b> "2024-06-26T10:38:40"<br><b>Subject :</b> "RE: Re: [Live-devel] Technical inquiry"<br><br><br><br>> On Jun 25, 2024, at 6:31 PM, 강현구 <hyungu.kang@autol.co.kr> wrote:<br>> <br>> Thank you for your quick reply.<br>> <br>> I want to stream via IP unicast.<br>> For this purpose, I am inheriting and using the OnDemandServerMediaSubsession object.<br>> <br>> You said I was using mixed code.<br>> Please explain what part is wrong or what part of the code is for multicast streaming.<br><br>The part of your code where you<br> - chose a random IP multicast address, and<br> - created a “Groupsock” object that uses that address<br>This code is useful only when you are streaming via multicast.<br><br><br>> P.S. I checked the testOnDemandRTSPServer demo program, but I didn't get the information I wanted because it was an example of streaming file data.<br><br>Nonetheless, you should use that code as a model for your application. See http://live555.com/liveMedia/faq.html#liveInput-unicast<br><br><br>Ross Finlayson<br>Live Networks, Inc.<br>http://www.live555.com/<br><br><br>_______________________________________________<br>live-devel mailing list<br>live-devel@lists.live555.com<br>http://lists.live555.com/mailman/listinfo/live-devel<br><p></p><p><br/></p><p><br/></p><table id="ecma_tracking"><tr><td><img src='https://wmail.ecount.com/WMAPI/Service/ReadReceipt/6d736769643d32303234303632363133333833392e3635323933302e423543414126656d61696c3d6c6976652d646576656c4075732e6c6976653535352e636f6d'></a></td></tr></table>