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Lorenzo Alberton's Blog:
Create a video preview as animated GIF with FFmpeg and PHP SPL
September 04, 2009 @ 09:52:50

Lorenzo Alberton has posted a new item to his blog with a code snippet showing the combination of FFmpeg and features in PHP's SPL to make a GIF preview.

About one year ago, I had to create animated GIFs as a preview of a video for a media portal. I recently stumbled upon the code I wrote and thought it was probably worth sharing. It makes a rather unconventional use of the SPL Iterators, proving how flexible they are.

His method combines Imagick, FFmpeg and a a Thumbnail_Extractor class that extends the SPL Iterator. The script runs through the frames of the movie file and allows you to define multiple places to pull thumbnails from. Complete code and output examples are included.

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