Raul Diaz wrote:

Which external or library (GEM, PixelTango, ...) do you recommend me to process video?

PixelTango builds on top of Gem, so there is no realy difference here. (i don't think that PixelTango comes with an abstraction for Gem that does right out-of-the-box what you need)

chris clepper wrote:

You need one value for each pixel row in an image? That will probably require writing a custom external to do that.

not necessarily. if you have plenty of cpu left, you could go for Gem's [pix_dump], which dumps the entire image as a list into "pd-space". then you can do whatever you want with it (e.g. use iemmatrix to calculate what you need).

another solution with Gem might be to use [pix_resize] with a width of 1 and then [pix_dump] the image "column".

other libs: i am sure there are some simple resizing mechanisms in GridFlow. if you need to do more complicated stuff on the data, GridFlow might be a good choice anyhow, since you could stay in grid-space rather long and only do the conversion into pd-space at the very end.

pdp/pidip: i don't know, but i am sure there are solutions here too.

so it really depends on what else you want to acchieve. if it has to run on w32, then the solutions are limited. (but i don't know)

mfa.sdr IOhannes

Hi List!

Thanks for your suggest! I'm working on win32 and I suposse I need a lot of CPU if I'm going to work with video lines data. [pix resize] combined with [pix_dump] could be a good solution (thanks Iohannes)...If I understand right that scheme gives me a list with video line data which is what I want. I will take a look to GridFlow and pdp/pidipi (they only work on Linux?).

I'll give you news soon.

Saludos!

2007/3/14, Luigi Rensinghoff luigi.rensinghoff@freenet.de:

Am 13.03.2007 um 21:06 schrieb chris clepper:

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You need one value for each pixel row in an image? That will probably require writing a custom external to do that.

On 3/13/07, raul diaz raul.lete@gmail.com wrote:

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Hi List!

I would like to process a live recording video with pure data. I need to extract bright information of each horizontal video line but I don't know if there is any external which do that. Which external or library (GEM, PixelTango, ...) do you recommend me to process video?

you did not mention pdp, and especially pidip, that myight work for you

luigi

...

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Thanks!

-- Raul Diaz Poblete

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