While MIDI devices and OSC enabled applications tend to be most commonly used instruments by VJs when getting away from the computer during a live visual performance, another extremely powerful controller that can be paired with VDMX is the WiiMote game pad which can be connected to a Mac wirelessly over Bluetooth.
The basic configuration only takes a few moments to set up and then we can begin to put together a sample project that is designed to get the most out of the possibilities of the combining accelerometers with game style buttons for performing live visuals.
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It kind of goes without saying that these days, posting your work online is a great way to promote yourself as a VJ or creative coder, and to make new contacts for future collaborations. Along with a studio or live mix of your visual work, including some of the original resources that were used during the making of your process for other people to learn from is another way to make your mark on the community.
For this technique tutorial we'll be looking at recording a demo reel that shows off the different ways that your generative compositions can be used in a live setting by using different sets of control data to drive its parameters, such as time based LFOs, MIDI / OSC control, and audio analysis data-source providers. Once we've finished creating the sample movie, we'll also walk through how to share the files using the videopong.net website where they can be hosted, downloaded and remixed by other video artists for free.
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This question comes to us from the VIDVOX forums, and is most easily explained with a quick demonstration– the goal is to have a MIDI knob that is used to make the video become more pixellated as it is turned left or right, but is a regular pass-through when set to its center point.
In this tutorial video we'll show off how to use an LFO plugin in VDMX to create a lookup curve for mapping a MIDI knob to a different range of values to drive our pixellate FX being applied to a layer.
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ome of our introduction Quartz Composer and FX tutorials translated into Portuguese.
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Building off the previous introduction tutorial on setting up VDMX to trigger movies like a DMX media server, here we will demonstrate how to make a simple two channel video mixer template on your Mac that can be controlled from any ArtNet capable lighting console or software.
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his special Spanish language guest tutorial on using the 'Control Surface' plugin comes from Marcos Prack of VJ Spain who joins us with a preview of his upcoming 4 day workshop on using VDMX and Quartz Composer in Madrid this April.
More information about the course can be found on the VJ Spain website: http://vjspain.com/blog/2013/03/20/workshop-quartz-composer-vdmx-integracion-y-flujo-de-trabajo/
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MIDI Time Code (MTC) is a specification for sending SMPTE values from a master playback application such as QLab or Apple Logic to keep the play time of other real-time music and visuals software in sync over MIDI. While MTC has a few drawbacks it can be very useful when setting up live performances where VDMX is being used alongside audio software that can send it.
In this tutorial we'll look at how to receive MTC in VDMX in two ways: First, the classic example of syncing the time position of a QuickTime movie to the incoming timecode. In the second case instead of a traditional movie, a simple Quartz Composer patch will receive the MTC and render a real-time animated read out of the values in standard SMPTE format.
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To get the best performance out of using the Hap codec within VDMX we also recently added another new feature making it possible to use GLSL shaders to perform composition between layers. While the standard 'OpenGL- Add' and 'OpenGL- Over' modes are the absolute fastest when it comes to rendering, when more complex composition modes such as 'Difference' or 'Multiply' are needed shaders are the best alternative when playing back movie files, particularly when you're not using CoreImage or Quartz Composer based FX on the layer.
In this two part tutorial we'll look first at the basics of adding new 3rd party shaders to the assets folder, and then move on to the intermediate level step of creating new custom blend modes.
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In honor of being the first third party developer to support the new Hap codec family natively, today we're joined by by Phillipe Chaurand who writes Millumin, an awesome piece of real-time visual software with a focus on theater, dance, and mapping installations.
Along with Hap, Millumin also shares support for Syphon, which allows for making layers in VDMX directly available as inputs to Millumin. In this quick video tutorial Phillipe explains how to set up this connection between the two applications.
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While VDMX itself is an application for creating real-time visuals, eventually most VJs and other visual artists have some use for other types of video software such as non-linear editors (iMovie, FCP, Premiere) or motion graphics generators (Motion, After Effects) to create pre-made footage to use during performance.
In this tutorial we look at exporting movies from Apple Motion to use in VDMX and including the alpha channel by using the 'Hap Alpha' codec. The same basic idea can be used with other motion graphics software such as Adobe After Effects.
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Chroma Keying is an image effects technique for compositing multiple video streams on top of each by applying a hue based masked to the foreground images. Commonly a blue or green screen is used in production for these purposes.
Within VDMX, using the 'Chroma Mask' FX on a layer will create a color-based mask that is applied within the FX-chain. Pixels in the input that are within the tolerance range are set to become transparent through the usage of alpha channels.
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This tutorial explains how to setup VDMX to receive DMX over ArtNet to perform basic media server capabilities such as triggering movie files and adjusting FX parameters.
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Using the File Inspector section of the Workspace Inspector individual clips can be tagged with attributes that override the source, FX, and composition settings of the layer that they are triggered on to. In this walkthrough we'll focus on the basic task of previewing a clip in the inspector and setting it to use a custom FX Chain.
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The sizing mode determines how the media on a layer is automatically sized to fit within its parent group. Choose between fit, fill, stretch and copy options.
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Every slider, button, or pop-up menu UI in VDMX can send OSC data to other software running locally or to other computers on your network- this video tutorial introduces how.
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An in depth look at receiving MIDI, OSC, and DMX data to control UI items in VDMX.
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Creating local presets for sliders to quickly change its settings such as value and data-source receivers.
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The first tutorial in controlling a slider with the mouse position or other data-source.
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The LFO and Step Sequencer plugins are both used to generate control data that changes over time. This tutorial is an introduction to using them to control the opacity of a layer.
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For more complex projects that have lots of scenes, Workspace Presets can be used to change the entire layer / plugin setup at once. This tutorial covers the basics of creating and restoring these presets.
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