Are there any non-GPL libraries for decoding MPEG-4? [closed]

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I'm looking for a non-(L)GPL library to decode MPEG-4 stream. I don't mind it being commercial. The price is as not important as code quality and support. Any suggestions are welcome. Your own experience is even better.

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You can only try Commercial ones:

1. Elcard : http://www.elecard.com/en/download/products.html

2. Ligos : http://ligos.com/index.php/home/products/mediarig_encoder/

3. MainConcept : http://www.mainconcept.com/products/sdks/video.html

4. Rohzet (carbon coder) : http://www.rhozet.com/products.html

5. Flip factory : http://www.telestream.net/flipfactory/overview.htm

All of these are practically well used in broadcast productions and are of good grade. The order doesn't reflect any preference. Most of them are either usable as SDK or independent application with dongle or otherwise.

However, your fear is rather fundamental, and fleeing DLL might not be possible to be prevented trivially.

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I was under the impression that CoreAVC is by far the best performant H.264 codec. http://corecodec.com/products/coreavc

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Depends what you mean by non-GPL. There are many that are LGPL (thus non-viral). Like the most popular one libavcodec which is part of FFmpeg.

By contrast x264, which is GPL-ed, is only needed for encoding, not for decoding.

FFmpeg makes it clear how to compile it in non-viral way.

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Are you going to require your own videocard drivers as well, or what happens if I use a video driver that does whatever I want with what your decoder sends me? Are you going to somehow force users to use only your video cables as well, and somehow destroy any video camera in the vicinity, and wipe clean the users' memories of what they see? Such madness! So what if you use a GPL library? You cannot lock down the Universe.