add support for progress option to provide a method on your model that will passed be notified of processing progress #8
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StreamIO-ffmpeg supports a progress hook. All we needed to do was pass a block through to the transcode method.
It just goes in the options hash that you pass to encode_video, the value is a symbol that's the name of the the method on your model.
I think it's a really useful feature if you're doing asynchronous processing using something like https://github.com/lardawge/carrierwave_backgrounder
If anybody has any ideas on cleaning up the implementation, please let me know.