I am accessing a RTSP video stream from a VIRB 360 camera. I am able to play the stream using the following gstreamer command:
gst-launch-1.0 -v playbin uri=rtsp://192.168.0.1/livePreviewStream?maxResolutionVertical=720\&liveStreamActive=1.
However, there is a 3 second delay in the streaming. The output of the above command (due to -v) has been uploaded
here.
I also created a few .svg files for the pipeline following the method described in this question/
answer. Those files has been uploaded
here. I believe
mypipeline4.svg and
mypipeline5.svg represent the complete pipeline (Multiple dot files were generated by a single pipeline and that's reason for multiple .svg file).
In the .svg files, can see a
latency=2000 under
rtpjitterbuffer. The plan is to build the same pipeline by adding components manually instead of using
playbin, and then set
latency property for
rtpjitterbuffer. I have tried the following commands:
1)
gst-launch-1.0 rtspsrc location=rtsp://192.168.0.1/livePreviewStream?maxResolutionVertical=720\&liveStreamActive=1 ! udpsrc ! rtpsession ! rtpssrcdemux ! rtpjitterbuffer ! rtpptdemux ! queue ! udpsink ! queue ! rtph264depay ! h264parse ! omxh264dec ! playsink
and
2)
gst-launch-1.0 rtspsrc location=rtsp://192.168.0.1/livePreviewStream?maxResolutionVertical=720\&liveStreamActive=1 ! udpsrc ! rtpsession ! rtpssrcdemux ! rtpjitterbuffer ! rtpptdemux ! queue ! udpsink ! queue ! rtph264depay ! h264parse ! omxh264dec ! nvoverlaysink
.
However, in both cases, I received an error:
WARNING: erroneous pipeline: could not link udpsink0 to queue1. How can I fix this? Also, from my experiments I pretty sure that the rest of the pipeline also has errors. How can I optimize this pipeline?
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