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JMF is old, and doesn’t support a lot of codecs properly. I get by these days by using FFMPEG in the background, but I would like to switch to a native java solution if one exists, does anyone know of a current open source Java project that has media manipulation functionality?
It depends what you want to do.
Since you are using ffmpeg, then I assume you are encoding videos. I am pessimistic that Java will do such work ‘native’ in the short or medium term–it very much goes against many Java philosophies/baggage.
That said, with Java 7, codecs in general should become easier to access, be more available and start showing up in real applications. Unfortunately, from what I’ve read, the emphasis seems to be on playback and GUIs.
I do allot of shelling out from Java to ffmpeg to encode videos and other media. Fact is, ffmpeg is one of the best tools out there for programmatically encoding videos, proprietary or open source. I predict that it will stay that way for the foreseeable future.
If ffmpeg is just not working for you, then you may want to investigate Quicktime for Java. I personally have not looked to deeply at it, but it seems to be ‘big’. Note that it seems to have been deprecated as of the release of QuickTime X (Fall 2009).