<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=us-ascii" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 9.00.8112.16430"><LINK rel=stylesheet href="BLOCKQUOTE{margin-Top: 0px; margin-Bottom: 0px; margin-Left: 2em}"></HEAD> <BODY style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"> <DIV><FONT size=2>Hi,</FONT></DIV> <DIV> </DIV> <DIV>I can use gstreamer to stream a mpg video from one Linux PC to another. </DIV> <DIV>The framerate of the video can be changed by this command:</DIV> <DIV align=left><FONT size=2> <DIV><FONT size=2></FONT></DIV> <DIV align=left> </DIV><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: #00b050; FONT-SIZE: 10pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold">gst-launch filesrc "location= 1.MPG" ! decodebin ! videorate ! video/x-raw-yuv, width=640,height=480,framerate=15/1 ! ffmpegcolorspace ! jpegenc ! multipartmux ! tcpserversink host=192.168.2.1 port=5000</SPAN> <DIV><FONT size=2></FONT></DIV></FONT><FONT size=2></FONT></DIV> <DIV align=left><FONT size=2>In this command, framerate is set to be 15. The video is streamed at framerate 15 from beginning to end.</FONT></DIV> <DIV align=left><FONT size=2>But I want to change framerate dynamically, which means during the streaming I can change framerate anytime. After changing framerate, the video will continue but stream at the new framerate.</FONT></DIV> <DIV align=left><FONT size=2></FONT> </DIV> <DIV align=left><FONT size=2>How can I change framerate in this way?</FONT></DIV> <DIV align=left><FONT size=2>Thanks!</DIV></FONT></BODY></HTML>