If I want to play videos from within a program (I don't care much about format), should I use Theora or an mp4 library (any recommendations?) We used Bink in The Witness, but I am looking for something I can redistribute for free.
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I once used Theora, took us 1-2 days of wrangling the thing. Worked cross platform but very underperforming (low quality/perf). You may be eying at LibVLC (not tried) but I think it is gpl/lgpl.
Hmm, I would vastly prefer MIT-style license, as I think even LGPL is onerous these days? http://xiph.org stuff seems weird, I tried using Opus for The Witness but reverted back to Vorbis because Opus sounded bad to me for effects with a lot of noise ... the authors said
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this shouldn't be the case and I was too busy to investigate further, but, they talk about this stuff with such strong rhetoric, but my experience doesn't match the strength of the rhetoric.
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No idea tbh. Only gut intuition is libvlc may be good quality/perf (as vlc and ffmpeg are based on it, and their business is selling large licences).
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Libvlc is very painful to work with. It is so aimed at being a playback engine/transcoder that it is like square peg in a round hole in any other situation. Libav/libffmpeg which both Libvlc and ffmpeg uses are more direct, but docs and examples are poor.
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Getting libvlc to be lgpl is possible. Ie only include plugins you need. This is cleared.
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lgpl is a no-go for me...
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Ok, so maybe https://github.com/cisco/open h264 then. It's a bit large, but you can find an implementation of it in ffmpeg
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Actually nevermind. H264 licensing is hell. This one is only safe if you use the binary (dll/etc).
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have you checked out http://icculus.org/theoraplay/ ?
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Why do I need a library that lets me use the library? Why can't I just use a library?
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you can, but it'll probably be easier this way (and certainly way slimmer and less troubling license than libvlc)
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My point is, why is there even a library that lets me use the library? Why isn't that the original library?
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I don't know. vorbis has libvorbisfile with the same goal (offering an easier/higher level interface) which is part of the project, no idea why they don't offer something like that for theora
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LGPL is about giving the user freedom to recompile the code and replace the binary, which doesn't go well with platforms that requires signed apps.
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