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Lubosz Sarnecki
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Being someone who has already experimented with two transformation box approaches for Pitivi in the past, maintainers thought I might be the right person to do a modern one. Creating a user interface for a video transformation requires three things: The…

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Previously on GStreamer 3 Years ago in 2013 I released an OpenGL fragment shader you could use with the GstGLShader element to view Side-By-Side stereoscopical video on the Oculus Rift DK1 in GStreamer. It used the headset only as a stereo viewer and…

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I was able to attend SVVR 2016 last week, where I experienced many insightful VR impressions and saw where the industry is currently heading to. I also want to thank Collabora for giving me the possibility to do this. Note that the opinions in this…

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In July 2015 I did a VR demo on the CV Tag at the University of Koblenz, which uses two Arch Linux PCs with two Oculus Rift DK2s and two Kinect v2s. It utilizes ROS‘s capabilities to stream ROS topics over the network. To run Holochat you need to setup…

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Using libfreenect2 and the IAI Kinect v2 ROS modules you can easily watch a point cloud generated with your Kinect v2 sensor. You need a Kinect for Windows v2, which is a Xbox One Kinect with an adapter to standard USB 3 from Microsoft’s proprietary…

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Debugging GL Errors can be a time consuming task sometimes. Usually you need to query the OpenGL state machine with glGetError, which returns just an integer of the latest error. First of all this requires a switch for checking the type of error, which…

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I wanted to introduce you into the next station in my Mandelbrot world domination tour. Using C and GLSL this Mandelbrot set visualization can be rendered to a video file. $ gst-launch-1.0 gltestsrc pattern=13 ! video/x-raw, width=1920, height=1080 !…

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After experimenting with pyopengl and OpenGL 3.3 core pipelines in Python I noticed that Python 3 OpenGL 3 support needs a little more bindings work. Especially the GLEW stuff. Since WebGL does not need such things as bindings, and is suitable of creating…
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