• Forum Post: Developing user applications for Leopard Board by using RidgeRun SDK

    Hi, RidgeRun SDK provides a structure to develop and integrate user applications. By using the SDK you will be able to cross-compile and integrate your applications with libraries and other applications and also install your application in the target root file system. There is a directory inside the...
  • Forum Post: Gstreamer concepts and audio streaming over RSTP on the Leopard Board using RR SDK

    Hi, Attached is an article written by my students of the Technological Institute of Costa Rica. They develop a demo of audio streaming using live555 as the RTSP server and a Gstreamer pipe as a client running on the Leopard Board. This article also brings an introduction to Gstreamer and its foundations...
  • Forum Post: Video streaming over RTP using RidgeRun SDK

    Hi, The following is an example of video streaming server on the Leopard Board, which captures, encodes and transmit via udp and using the RTP protocol. The Host PC would be the client to decode. Streaming Server - Leopard Board: gst-launch -v v4l2src always-copy=FALSE ! dmaiaccel ! queue...
  • Forum Post: Video live preview (VGA Cam -> Composite output) on the Leopard Board using RidgeRun SDK

    Hi, If you would like to run a simple live preview demo on the Leopard Board, where the video captured by the Cam is displayed over the composite output. You run the following gstreamer pipeline: gst-launch -e v4l2src always-copy=false ! dmaiaccel ! TIDmaiVideoSink sync=false displayStd=v4l2 displayDevice...
  • Forum Post: Problem with Gstreamer appsink element

    HI, I am trying to use the gstreamer app plugin to pull a raw buffer from a stream, do some analysis of the data, then push it back into the pipeline. I am trying to use appsink and appsrc to do this. I have written my code that will do this, but when I try to build I have some linking errors that...
  • Forum Post: Failed to create display: gst-launch videotestsrc ! TIDmaiVideoSink

    I get "Failed to create display" when attempting gst-launch videotestsrc ! TIDmaiVideoSink on a DM355 leopard board V1.6 and LI-LBCM5M1 camera board . I have attached the entire console log. Thanks, Mark Software: DM355SDK840402, dvsdk_2_00_00_22, xdctools_3_10_05_61 ...
  • Forum Post: vpfe-capture: No decoder registered; Could not open device '/dev/video0'

    I get vpfe-capture: No decoder registered; Could not open device '/dev/video0' when attempting gst-launch v4l2src ! fakesink on a DM355 leopard board V1.6 . I have attached the entire console log. Thanks, Mark Software: DM355SDK840402, dvsdk_2_00_00_22, xdctools_3_10_05_61...