Making a simple recording?
Please help me out here: I am trying just to record a basic video, no effects whatsoever but I always get glitches. I cleaned out all the patch but to no avail. Can anyone check my patch out please? I am using a logitech quickcam vision pro as my webcam and a macally webcam as a USB microphone. I would like especially to know what settings are best. I need resolution 1280×720 in a good quality without max crashing. I geratly apreciate your help fellow forummembers
if you need to grab the basic video input you can try using the "grab direct to disk" method (see help patch of jit.qt.grab).
YMMV as your on mac and im not. and also, from reading your post i see your audio and video aren’t from the same source. no help for you this is.
[jit.dx.grab 640 480 @write_audio 1 @write_video 1]
also output is strictly uncompressed
example patch for jit.dx.grab/jit.qt.grab
note you will get about 1GIG per minute of uncompressed synched recording.
at the write end there i UDP > autoit3 > ffmpeg to encode the video.
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Thanks Yair. This seems to work. My HD is big enough so that will be no problem. However, I have another problem which I took out of the patch I posted here. I want the videofeed to go to a jit.window. However, when I start recording, the image freezes. When I stop, the image is normal again. Would you know a solution for that?
there is no solution, it is a hack.
synced recording is not simple, with concurrent processor/disk intensive stuff
but this should be addressed or at least acknowledged by c74.
Ok, I think I will get a separate camera to record on the camera itself, not on the computers HD. I was thinking about getting this ZoomQ3 camera (it needs to be a flat camera because it has to fit in a door. Now: How can I control the start/stop button of the camera using Max? As far as I know, serial is not usable with USB devices. Is there another solution. For the jit.window, I will continue to use my current webcam (for the live broadcast, the video quality is not very important)
Zoom q3 is for sound it’s video is not that good. Better get a good webcam and add a dedicated grab for it
It is the Zoom Q3 HD (a new model). I tested it and it looks quite allright. Now I just need to find a way on how to control the recording button with max
doesn’t have a remote (ir via arduino) or control software
build a robot finger to push the button or get a webcam
lol @ build a robot finger to push the button :]
or hack the button and have an arduino with a relay or whatever switch it
@Yair: I experimented with your patch and added a second grabber for monitoring (with another camera). I am wondering still: the quality seems to be quite good, but the framerate (using MediaInfo) is around 8 frames a second. Why is that? the quality seems ok but the info says otherwise.
mediainfo might be reading the stream info, that might be telling it one thing and being another.
do either of you know how to capture the output from a web cam that has a built in button for taking still images? i have a web cam and i’d like to parse the usb data and pull out the ‘button pressed’ info to use in max. thanks
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