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Author Topic: Audio/Video processing
sconzey
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Icon 1 posted February 11, 2008 07:39      Profile for sconzey     Send New Private Message       Edit/Delete Post   Reply With Quote 
I'm looking for a programming language for which high level audio/video processing libraries are available.

A brief google reveals processing.org which, while useful and something to remember, seems to concentrate more on the display and animation of data, and PyMedia, which seems to be too low-level for what I require of it.

Ideally such a library should offer the ability to apply filters to video and audio streams, and perform FFTs for spectral analysis.

Anyone know anything about this?

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"Violence is the last resort of the incompetent."
--Isaac Asimov

Posts: 490 | From: UK | Registered: Aug 2003  |  IP: Logged
Doco

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Icon 1 posted February 11, 2008 20:22      Profile for Doco   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
I'm not sure exactly what you are looking to do, and what you call "programming.

If still images are your thing, look up the netpbm utilities. You can program then using shell scripts. Of course something like perl would be much nicer to do non-trivial things and pbm can be used from it.

You can also look up ImageMagick - I think that is the library I used about 15 years ago and did some cool things by chaining filters and converters together.

If you are focused more on video - you HAVE to look at VirtualDub. Their is a good library of plug-ins and I think a way to script which filters/plugins you want applied to a particular stream.

Good luck!

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dragonman97

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Icon 1 posted February 11, 2008 22:05      Profile for dragonman97   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
Perl!

/sorry_i_couldn't_resist†

†Especially since my friends got me that t-shirt for Christmas. [Razz]

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There are three things you can be sure of in life: Death, taxes, and reading about fake illnesses online...

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Doco

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Icon 1 posted February 12, 2008 06:28      Profile for Doco   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
Ha - Mentioning perl around here brings in the dragon just like kibo and Mr. Parry.
Posts: 419 | From: Minneapolis, MN | Registered: Mar 2000  |  IP: Logged
sconzey
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Icon 1 posted February 12, 2008 07:28      Profile for sconzey     Send New Private Message       Edit/Delete Post   Reply With Quote 
Yeah, effectively, I'm trying to do something like pgeek's mixbot. VirtualDub looks nice, I'd rather avoid using windows if I can at all help it but that's just me being religious. [Wink]

I know MPlayer allows chaining of filters after a fashion, but I'm not sure how that works...

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"Violence is the last resort of the incompetent."
--Isaac Asimov

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