just:play supports "Quartz Compositions" (file ending "qtz"), "Composition Builder Compositions" (file ending "composition"), "ToolsOnAir Graphics Engine Compositions" (file ending "jscomposition"), JPEG still images, PNG still images and QuickTime movies with alpha channel. Quartz Composer and Composition Builder files are handled differently by just:play.
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Composition Builder Compositions
- Duration as set in the composition
- Stopframes as defined in the composition
- Published input ports are shown in the inspector according to the given permissions in the composition
- Thumbnail loaded from the composition package
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Using Movie Files on FX Layers
- Drag and drop directly into the workbench while holding down the "command" key
- Automatic stretching of the movie to cover the full output frame, therefore it is recommended that you only use movies that are properly sized for whatever output display mode has been defined
- Drag and drop of movies from the library onto a FX layer on the timeline or workbench displays a movie as if it was a "graphic", meaning that it will be displayed over any movie playing on the video layer. As such, it makes sense to drop movies containing an alpha channel into a FX layer (we recommend to use Apple ProRes 4444 movies). When a movie is used as a graphic it is not possible to set an in- or out-point
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JPEG and PNG Images
- Drag and drop directly into the workbench
- Automatic stretching of the pixel size of the image to cover the full output frame and therefore it is recommended that you only use images that are properly sized for whatever output display mode has been selected defined for that particular channel
- Transparency will be taken over automatically. To change the image over time (fades, zooms and so on) it must be part of a real time composition
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Still images and movies are played out "as they are", therefore it is not possible to fade them in/out. |
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ToolsOnAir Graphics Engine Compositions (deprecated)
- Duration adjustable in the inspector
- Partial stopframe support
- Published input ports are shown in the inspector
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Quartz Compositions
- Initial duration of 30 seconds (adjustable in the inspector or in the "TOA Stopframes" patch)
- No stopframes (unless "TOA Stopframes" patch is used)
- Published input ports are shown in the inspector
- No Thumbnail (unless thumbnail is specified, see below)
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Not every Quartz Composition works with just:play. ToolsOnAir provides no support for custom QTZ Plug-Ins/patches. Please contact ToolsOnAir if you need customized graphics development. |
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Illegal Quartz Composer Patches
Not all Quartz Composer patches are supported by the just:out rendering engine, particularly the "JavaScript" patch. If a Quartz Composer or Composition Builder composition with such a patch is dropped into a playlist, a warning will be displayed and the graphics file will be rejected.
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Thumbnails for Quartz Compositions
It is possible to specify a thumbnail image for a Quartz file. Save a JPEG image in the same folder like the Quartz file and supply the file name with the ".thumb" extension instead of the ".jpg" extension.
Example: Save an image with the name "Example.thumb" for a Quartz Composition named "Example.qtz" . For best results the thumbnail image should be 355x199 pixels.
Make sure that the extension of the file is set correctly. Sometimes it is not sufficient if you just replace ".jpg" by ".thumb" in the Finder. The "Info" window of a file could still display the file name as "my file.thumb.jpg". If so, remove the ".jpg" extension.
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Real time graphics can be controlled via the Inspector of just:play or – optionally – via a so called custom control interface. |
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