我想通过RTP发送多媒体数据。我想知道的是如何使用Python发送和接收RTP数据包。我找到了Python类DPKT。但是无法找到一个很好的引用来可视化如何在RTP中生成每个文件。

如果有人可以帮助我在服务器上生成和接收rtp数据包,我将不胜感激。

最佳答案

经过几天的研究,我能够在ubuntu终端中使用gstreamer来完成上述任务。我的主要工作范围是了解流的同步。我在gstreamer中使用了RTP和RTCP功能。我将视频垂直划分为四个部分,然后从一台PC发送到另一台PC,然后在第二台PC中显示。以下是使用的代码。

发件人:

gst-launch -v \
\
gstrtpbin name=rtpbin1 \
filesrc location=/home/x101.avi ! decodebin ! x264enc ! rtph264pay ! rtpbin1.send_rtp_sink_0 \
rtpbin1.send_rtp_src_0 ! udpsink host=192.168.1.100 port=5011 \
rtpbin1.send_rtcp_src_0 ! udpsink host=192.168.1.100 port=5012 \
udpsrc port=5013 ! rtpbin1.recv_rtcp_sink_0 \
\
gstrtpbin name=rtpbin2 \
filesrc location=/home/x102.avi ! decodebin ! x264enc ! rtph264pay ! rtpbin2.send_rtp_sink_0 \
rtpbin2.send_rtp_src_0 ! udpsink host=192.168.1.100 port=5021 \
rtpbin2.send_rtcp_src_0 ! udpsink host=192.168.1.100 port=5022 \
udpsrc port=5023 ! rtpbin2.recv_rtcp_sink_0 \
\
gstrtpbin name=rtpbin3 \
filesrc location=/home/x103.avi ! decodebin ! x264enc ! rtph264pay ! rtpbin3.send_rtp_sink_0 \
rtpbin3.send_rtp_src_0 ! udpsink host=192.168.1.100 port=5031 \
rtpbin3.send_rtcp_src_0 ! udpsink host=192.168.1.100 port=5032 \
udpsrc port=5033 ! rtpbin3.recv_rtcp_sink_0 \
\
gstrtpbin name=rtpbin4 \
filesrc location=/home/x104.avi ! decodebin ! x264enc ! rtph264pay ! rtpbin4.send_rtp_sink_0 \
rtpbin4.send_rtp_src_0 ! udpsink host=192.168.1.100 port=5041 \
rtpbin4.send_rtcp_src_0 ! udpsink host=192.168.1.100 port=5042 \
udpsrc port=5043 ! rtpbin4.recv_rtcp_sink_0

接收者:
gst-launch -v \
videomixer name=mix ! ffmpegcolorspace ! autovideosink sync=false async=false \
\
gstrtpbin name=rtpbin1 \
udpsrc port=5011 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z01AFeygbCPNLgIgAAADAC7msoAB4sWywA\\=\\=\\,aOvssg\\=\\=\", payload=(int)96, ssrc=(uint)861153369, clock-base=(uint)4026289255, seqnum-base=(uint)30449" ! rtpbin1.recv_rtp_sink_0 rtpbin1. ! rtph264depay ! queue ! ffdec_h264 ! videobox border-alpha=0 top=0 left=0 ! mix. \
udpsrc port=5012 ! rtpbin1.recv_rtcp_sink_0 \
rtpbin1.send_rtcp_src_0 ! udpsink port=5013 host=192.168.1.104 \
\
gstrtpbin name=rtpbin2 \
udpsrc port=5021 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z01AFeygbCPNLgIgAAADAC7msoAB4sWywA\\=\\=\\,aOvssg\\=\\=\", payload=(int)96, ssrc=(uint)861153369, clock-base=(uint)4026289255, seqnum-base=(uint)30449" ! rtpbin2.recv_rtp_sink_0 rtpbin2. ! rtph264depay ! queue ! ffdec_h264 ! videobox border-alpha=0 top=-120 left=0 ! mix. \
udpsrc port=5022 ! rtpbin2.recv_rtcp_sink_0 \
rtpbin2.send_rtcp_src_0 ! udpsink port=5023 host=192.168.1.104 \
\
gstrtpbin name=rtpbin3 \
udpsrc port=5031 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z01AFeygbCPNLgIgAAADAC7msoAB4sWywA\\=\\=\\,aOvssg\\=\\=\", payload=(int)96, ssrc=(uint)861153369, clock-base=(uint)4026289255, seqnum-base=(uint)30449" ! rtpbin3.recv_rtp_sink_0 rtpbin3. ! rtph264depay ! queue ! ffdec_h264 ! videobox border-alpha=0 top=-240 left=0 ! mix. \
udpsrc port=5032 ! rtpbin3.recv_rtcp_sink_0 \
rtpbin3.send_rtcp_src_0 ! udpsink port=5033 host=192.168.1.104 \
\
gstrtpbin name=rtpbin4 \
udpsrc port=5041 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\"Z01AFeygbCPNLgIgAAADAC7msoAB4sWywA\\=\\=\\,aOvssg\\=\\=\", payload=(int)96, ssrc=(uint)861153369, clock-base=(uint)4026289255, seqnum-base=(uint)30449" ! rtpbin4.recv_rtp_sink_0 rtpbin4. ! rtph264depay ! queue ! ffdec_h264 ! videobox border-alpha=0 top=-360 left=0 ! mix. \
udpsrc port=5042 ! rtpbin4.recv_rtcp_sink_0 \
rtpbin4.send_rtcp_src_0 ! udpsink port=5043 host=192.168.1.104

我能够按预期在一个窗口中接收四个流。但是,流仍无法完美同步。

关于Python发送和接收RTP数据包,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/13564817/

10-12 19:48