In UDP streams, a UDP packet needs to start with the sync byte x47. The UDP stream URL must be in udp://IP:Port format. RTP streams use the same specification as UDP, except URL format, which is rtp://IP:Port. An IP network with multicast support is required for streaming solution...
ffmpeg -re-stream_loop -1-i ./doc/source.200kbps.768x320.flv -an -vcodec h264 -f rtp rtp://127.0.0.1:5004 -vn -acodec libopus -f rtp rtp://127.0.0.1:5003 命令执行后,根据输出可以提取到sdp描述信息:(蓝色是两个端口,红色是格式96,H264) SDP: v=0o=- 0 0 IN IP4 127.0.0.1s=N...
It is possible but not strictly necessary to restrict the rules to the UDP port range used byrtpengine, e.g. by supplying a parameter like--dport 30000:40000. If the kernel module receives a packet that it doesn't recognize as belonging to an active media stream, it will simply ignore ...
Each such stream is implemented using a // "ServerMediaSession" object, plus one or more // "ServerMediaSubsession" objects for each audio/video substream. // A MPEG-4 video elementary stream: { char const* streamName = "mpeg4ESVideoTest"; char const* inputFileName = "test.m4e"; Serv...
推流命令: ffmpeg -re -stream_loop -1 -i /home/jackey/Videos/Sample.mkv -rtsp_transport udp -f rtsp rtsp://127.0.0.1/test 收流测试: ffplay rtsp://127.0.0.1/test 最重的是推流地址有效,能够使用此地址向外推流,否则后续的开发会有问题。 下一篇:FFmpeg4入门25:本地文件推流 ...
H264VideoStreamFramer负责管理时间戳,及帧率,以及通过内部类H264FUAFragmenter将h264的nalu组装成rtp,所以暂时不要自己去组装时间戳。既然source为...时间戳来自于H264or5VideoStreamParser::parse() 函数,该函数负责解析nalu,从中获取帧率,时间戳则是按照帧率累加。 而usingSource来自于live555...
如果自己实现RTSP协议,则可以打开足够多类型的URL。 如果是打开URL,那接收buffer要足够大,不然会花屏、卡、跳帧等。 1 2 3 4如果自己实现RTSP/RTP,那么就要自己填充AVPacket了(AVPacket是FFMPEG中一个为数不多的重要结构体!)。参考代码如下://申请输入码流包空间 //packet = (AVPacket...
(); return true; } /* TCP Online Test */ int TcpOnlineTest(char *IP,int Port) { //加载库 //启动SOCKET库,版本为2.0 WSADATA wsdata; WSAStartup(0x0202,&wsdata); SOCKET PtcpFD=socket(AF_INET,SOCK_STREAM,0); SOCKADDR_IN addrSrv; addrSrv.sin_addr.S_un.S_addr=inet_addr(IP); //...
#define H264_FILE_NAME "test.h264" #define SERVER_PORT 8554 #define BUF_MAX_SIZE (1024*1024) static int createTcpSocket() { int sockfd; int on = 1; sockfd = socket(AF_INET, SOCK_STREAM, 0); if(sockfd < 0) return -1;
4. RTMP_Log(RTMP_LOGERROR, "Couldn't parse URL: %s", fullUrl.av_val); 5. return RD_FAILED; 6. } 7. 8. rtmp.Link.timeout = timeout ; 9. /* Try to keep the stream moving if it pauses on us */ 10. if (!bLiveStream ) ...