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Search found 242 matches |
| Search term used: video capture |
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| Forum: general discussion Topic: Frame Grabbers for OS X |
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Posted: Tue Aug 31, 2010 4:41 pm
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Replies: 0
Views: 11 |
| Hi All, I was wondering what some of you use for analog video capture in OF + OS X. I've been using an Imaging Source firewire framegrabber (the DFG/1394-1e) ... |
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| Forum: advanced Topic: high framerate capture to disk |
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Posted: Thu Aug 26, 2010 7:06 am
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Replies: 12
Views: 384 |
| ... tested the timestamps of when frames are returned using my own threaded video grabber: http://code.google.com/p/structured-light/source/browse/trunk/OpenFrameworks/apps/structuredLight/capture/src/ofxThreadedVideoGrabber.h And I'm sure the driver doesn't drop frames. There ... |
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| Forum: advanced Topic: high framerate capture to disk |
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Posted: Thu Aug 26, 2010 6:06 am
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Replies: 12
Views: 384 |
| ... the recording software is fast enough, you may have problems with the driver dropping frames before the software even sees it. Here's my threaded video saver, it's pretty messy and has support for multiple video channels at once which you probably don't need. threadedVidSaver.h.zip I just tested ... |
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| Forum: advanced Topic: high framerate capture to disk |
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Posted: Thu Aug 26, 2010 5:00 am
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Replies: 12
Views: 384 |
| ... wasn't absolutely necessary, but it was important to me to automate the capture. I could have made some call to the command line to capture a video I suppose. The main reason I was looking at this problem (high FPS capture to disk) is ... |
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| Forum: advanced Topic: high framerate capture to disk |
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Posted: Thu Aug 26, 2010 4:38 am
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Replies: 12
Views: 384 |
| ... Kyle, Is there any reason you can't just use vlc or amCap to save the video? I was also going to write a simple webcam video saver, but then I realized I could just use an existing program, I was able to capture 320x240@125 with no problems using guvcview. I'm not sure if there is ... |
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| Forum: advanced Topic: video grabber |
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Posted: Sun Aug 22, 2010 12:42 pm
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Replies: 2
Views: 57 |
| ... Somes of that apps don't work any more : When i start the apps using a video grabber I got new outputs after the callback setting : "err_printf ... Finally, i got the output "SETUP : Device is setup and ready to capture" but the drawn video is nothing than a black picture. I got ... |
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| Forum: beginners Topic: Using 2x PS3Eye on OS X and a few other questions. |
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Posted: Thu Aug 19, 2010 5:57 pm
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Replies: 4
Views: 73 |
| ... one, so it moved on and grabbed from my iSight. So I had in fact 2 video stream. From one PS3Eye and from my iSight. So my first question is: ... 2. I saw that Theo was modifying the source code of macam to be able to capture with different frame rates and have more control of the camera under ... |
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| Forum: beginners Topic: Video Grabbing Resolution |
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Posted: Sun Aug 15, 2010 1:53 pm
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Replies: 1
Views: 72 |
| ... other programs. e.g. this simple processing sketch... import processing.video.*; Capture cam; void setup() { size(720, 576); cam= new Capture(this, 720, 576); } void draw() ... |
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| Forum: x-code Topic: latest xcode - (w/Phone sdk beta 3) - breaks openframeworks |
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Posted: Fri Aug 13, 2010 12:15 am
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Replies: 29
Views: 4238 |
| ... I still dont know what causes this function to work properly if no video capture device is available and breaks it otherwise. My solution is this: In ofQtUtils.h I ... |
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| Forum: advanced Topic: fbo > ofImage > save to file |
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Posted: Mon Jul 12, 2010 2:33 pm
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Replies: 13
Views: 496 |
| I just ran into a similar problem trying to save an image sequence for video capture. I was getting the buffer problem where I would see bits of past frames in the current ... |
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| Forum: advanced Topic: multiple video at the same time. How to get better perf ? |
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Posted: Thu Jul 08, 2010 1:24 pm
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Replies: 15
Views: 519 |
| ... order to understand how to mix obj-c and c++. I put together a simple video player in obj-c (that I understand :) ). It uses a QTMovieView and ... of each frame to an ofTexture (as ofxQTKitVideoGrabber does with the capture device). But by doing this I would loose the increase in performance ... |
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| Forum: beginners Topic: [solved] swap color channels from BGR to RGB |
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Posted: Tue Jul 06, 2010 2:53 pm
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Replies: 2
Views: 77 |
| ... frames seems to be "swapped"... :| This happens with every capture utility, like Cheese and mplayer, but everything is fine in 640x480 ... an image/frame in an OF app before displaying it, so that I can run the video grabber and opencv examples without this problem :) here is a couple ... |
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| Forum: beginners Topic: light writing video software |
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Posted: Sat Jul 03, 2010 12:37 am
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Replies: 3
Views: 359 |
You can take a look at Quase-Cinema 2 source (http://www.quasecinema.org), it has light paint features.
Damian's code is more sofisticated, thou. Thanks, Damian, I'll study it!
The way I did was to capture the previous output frame and openGL mix it with the new camera frame. |
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| Forum: beginners Topic: how real-time can we get? |
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Posted: Fri Jul 02, 2010 2:23 am
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Replies: 4
Views: 158 |
| The Artvertiser is actually an entirely oF-free app.. in there i'm using the opencv video capture stuff, yes; but it was all written on Linux where there's no QuickTime anyway. i can't really help you with Mac capturing, sorry! |
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| Forum: examples Topic: Ballet Font |
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Posted: Wed Jun 30, 2010 12:16 am
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Replies: 2
Views: 199 |
| ... were used to create a headline font called "Ligne". This video shows a few letters being performed where we've used to the tracking ... software called "Chireo" (chirography + choreography). "capture" did the initial motion and video capture. "augment" ... |
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