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Spectaculum – Android OpenGL ES Accelerated View for Picture and Video Content

Spectaculum is a view widget for Android to display visual content in a GLES accelerated context, providing zooming and panning functionality, parameterized shader effects, and frame grabbing. It comes with additional views that save developers a lot of time and implement all functionality for displaying bitmap images, camera preview, and videos through the Android MediaPlayer, MediaPlayer Extended, and ExoPlayer. The packaged shader effects range from simple color filters to immersive 360° VR video rendering.

The Spectaculum view can be used with all sources that can write to a surface or surface texture, which is essentially every visual content source, but I recommend using one of the many available modules if applicable. Example use-cases are photo galleries and picture viewers with zooming/panning support and optional picture effects through shaders (e.g. contrast adjustment, color correction), video players with live image adjustments through shaders and 3D/360°/immersive/VR playback, and camera previews with live effects. An extensive documentation on functionality, API, usage, and modules is available on GitHub. The library is also available from JCenter’s Maven repository, and a demo app that showcases various views and shader effects is available on the Play Store.

Spectaculum on GitHub
Spectaculum Demo
Developer: Protyposis
Price: Free

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