<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'><br><br><div><div dir="ltr"><div><br><br> <style></style> <div dir="ltr"><div>Hi all,</div><div><br></div><div> I want send a h264 video which is encapsulated in a mp4 file from my android mobile phone to my pC.</div><div><br></div><div style="text-align:right;">This mp4 file can be played by below command:</div><div><br></div><div><font size="2">gst-launch-0.10 gstrtpbin name=rtpbin filesrc location=/Users/hamwang/logdir/3.mp4 ! qtdemux name=demux demux.video_00 ! ffdec_h264 ! ffmpegcolorspace ! autovideosink</font></div><div><br></div><div><br></div><div>it can also be sent through rtp by decoding and re-endcoding by below command:</div><div><br></div><div><br></div><div> <span style="font-family:Arial;"><i><font size="2">gst-launch-0.10 -v gstrtpbin name=rtpbin filesrc location=./trunk/trunk/videoconf/linux-appsrc-example/3.mp4 ! qtdemux name=demux demux.video_00 ! ffdec_h264 ! queue ! x264enc tune=zerolatency byte-stream=true bitrate=500 ! rtph264pay ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink host=172.21.118.219 port=5006</font></i></span></div><div><span style="font-family:Arial;font-size:12pt;"><br></span></div><div><span style="font-family:Arial;font-size:12pt;"><br></span></div><div><font face="Arial">Since as we know , the video has already been encoded by h264 in the mp4 file, so I hope I can send it without decoding and re-encoding. I used below command:</font></div><div><font face="Arial"><br></font></div><div><font size="2">gst-launch-0.10 gstrtpbin name=rtpbin filesrc location=/Users/hamwang/logdir/3.mp4 ! qtdemux name=demux demux.video_00 ! rtph264pay ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink host=172.21.118.219 port=5006</font></div><div><span style="font-family:Arial;font-size:12pt;"><br></span></div><div><span style="font-family:Arial;font-size:12pt;">but get below error:</span></div><div><span style="font-family:Arial;font-size:12pt;"><br></span></div><div><span style="font-family:Arial;font-size:12pt;"> </span><span style="font-size:12pt;">qtdemux.c(3941): gst_qtdemux_loop (): /GstPipeline:pipeline0/GstQTDemux:demux:</span></div><div>streaming stopped, reason not-linked</div><div><br></div><div><br></div><div><br></div><div>Any friend can give me some advice?</div><div><br></div><div>Thanks and Regards,</div><div>Haiming Wang</div><div><span style="font-family:Arial;font-size:12pt;"><br></span></div><div><span style="font-family:Arial;font-size:12pt;"><br></span></div> </div></div> </div></div> </div></body> </html>