Capture Video With Webcam?
Mar 12, 2009
I'm currently working on a project which is basically Server-Client based. Client is standalone VB executable file and Server is web based.The program is supposed to use webcam as video capture device, stream video footages to server (on website - live feed) and allows users to manually save captured videos into their computer.Thats basically the brief description of my system. I'm starting off working with VB right now and website after I'm done with VB.I'm new to VB, this would be my 1st project on it. I've looked for available sources online and found several VB apps which lets me capture image file through my webcam. Also on MSDN forum, i found recommendations on using "DCAM Server" to stream videos on website but I'm still not sure of how to configure the settings to make it work properly, and of course, don't have a proper website for it to work with yet atm. Also realise I'll need to integrate some .dll files or activeX functions to use video capture function. I don't really know how to use these yet rite now.
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Mar 14, 2009
I'm currently working on a project which is basically Server-Client based.Client is standalone VB executable file and Server is web based.The program is supposed to use webcam as video capture device, stream video footages to server (on website - live feed) and allows users to manually save captured videos into their computer.Thats basically the brief description of my system. I'm starting off working with VB right now and website after I'm done with VB.
I'm new to VB, this would be my 1st project on it. I need help and guidance on how to start please, especially on video capturing functions.I've looked for available sources online and found several VB apps which lets me capture image file through my webcam. Also on MSDN forum, i found recommendations on using "DCAM Server" to stream videos on website but I'm still not sure of how to configure the settings to make it work properly, and of course, don't have a proper website for it to work with yet atm.Also realise I'll need to integrate some .dll files or activeX functions to use video capture function. I don't really know how to use these yet rite now.
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Feb 2, 2012
currently, im using a webcam in my thesis. one of my objective is to have a realtime camera that can record/capture a video at the same time can capture image. i dont know how to code it in vb.net.
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Oct 17, 2011
I creat audio video chat and when calling receivng video and client video is together...I want that client move his or her webcam video where want...as I know it name DROP&DRAP but I`m not know how to do it...
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Dec 5, 2009
How can i record a video via webcam in visual basic application and then display the video on user's request either live or recorded video.
how to develop video webcam recording application.
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Oct 20, 2010
is it possible to use avicap32 to capture video with a web cam and save the video as a wmv format instead of avi one
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Jun 21, 2010
How to use GDTwain control in VB.net
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Oct 11, 2007
I have swann webcam Mac IP cam network camera...its connected to the RJ-45 connector....I want to capture images after every 10 sec. from this and save it in to sql database..[URL]
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Nov 1, 2010
I Am Trying To Get A Webcam's Frames, I Can Get The Frames Succesfully But I Cannot Preview It.
I Mean, The Program Can Succesfully Record A Video To My Local Disk, But It Doesnt Preview On A Picturebox.
But This Isn't So Important, I Don't Know If I Can Change The Resolution Of That Captured Video?
I Mean, I Have An HD Camera, But It Doesnt Record On HD, It Just Records The Right Top 640x480 rectangle of screen. So I Mean It Doesnt Even Records Me, It Records My Back...
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May 1, 2012
I need to show video in a picturebox, and when a button is pressed, capture the frame. I am making a desktop qr reader. I have the qr reader completed and working. my issue is my camera now. I would prefer something that actually works, and doesn't have severe memory leak issues, and doesn't throw an exception after it's first or second use. Would AviCap32 or Direct Show be better for what I want? Which would capture the image fastest, without causing exceptions? I tried using an open source solution called webcam_capture.dll, and it worked at first, but now I am getting an exception that I dont know how to fix. I'm assuming this goes in vbGeneral, and not the Interop and Upgrade. Most examples I have seen, use interop, so I wasn't sure. I would prefer not to use WIA. I have attempted it, and it doesn't work quite right on my computer, and this application will be distributed.
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Feb 15, 2012
How i can; Get a image from webcam with a sub or Function. i dont want dll or anything just a sub or function.
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Aug 22, 2011
I need a hint or sample source code is much better for my project. Here is the idea, I am creating a simple program that can record a video using a webcam as a surveillance camera. I need to record it continuous and every hour the capturde video will store/save to my drive. I am not that good in webcam/camera manipulation in vb.net.
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Sep 24, 2010
i'm currently doing an assignment which is based on vb.net and sql server. here i wanna capture an image and i wanna save that into a sql table named 'customer'. i have downloaded the code for capture the image from the webcam and sWhen i click the save button in that app, its showing to save the captured image in a
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Dim data As IDataObject
[code]....
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Mar 21, 2009
Now I do have code already I found online, but it is just using API's like I would in VB6. Is there any .Net code to find if web cam is available, and if so, just take a pic and save to a JPG.
Note, the API methods work however I can only get it to work if I paint it onto a form or picture box. I don't want any forms or picture boxes. I just want .Net code to grab a picture with the web cam and save to file.
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Jun 16, 2011
using directshow to capture image from webcam. In my winform application, there was a tabcontrol which contains two tabpages. Tabpage1 contains a picturebox which shows the video from webcam, tabpage2 contains a button to capture the image. My problem is when I pressed the button on tabpage2, my saved image file is empty which has no picture inside.
The following is my code for GetImage:
Public Sub GetImage(ByRef bmp As Image, ByRef pbCtrl As PictureBox)
' Get image from clipboard and convert it to a bitmap
Try
[code]....
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Sep 15, 2010
After a long while I started a project in VB.Net. I am making a security cam application for my own room. What I have done so far is capturing image from webcam (15 fps) to a imagebox and copying a still image from that imagebox to another in an intervall I have decided. Afterwards my code saves the image with a date and time as jpg. The code for capturing image I have found in this forum (iCam). My problem is (by the way I am an amateur programmer ) that the first imagebox (for realtime image capture) is not being showed (I dont want to see it). But if it is not active then all still images (saved as jpg) are all black. I think it is a drawing issue. I think imagebox is not being drawn (because it is not visible (actually the form is not visible)) and that is why still images are black. But I really don't know how to fix it? The class for capturing still images is very useful but only works with an imagebox.
(I really tried to understand the code. Especially the function, which copies a still image from 15 fps webcam output to a imagebox (which is used to save image as jpg file). But there are objects like: IntPtr, Hdc (getHdc, releaseHdc) and BitBlt. I really don't know anything about those objects.)
Code of iCam:
Option Explicit On
Option Strict On
Public Class iCam
#Region "Api/constants"
[CODE]...
I get realtime images with: iCam.initcam(me.picturebox1.handle.int32) and copy with: picturebox2.image= iCam.copyimage(picturebox1,New RectangleF(0, 0, Me.picturebox1.Width, Me.picturebox1.Height))
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Jun 21, 2010
I'm developing an application and it needs a facility to take photo of the customer using the webcam.
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Nov 20, 2011
webcam drivers were installed using its cd drivers.[code]after skipping the errors in compile (f5) the program works, how to cancel the errors? moreover, when the program is run via the .exe file in the bin folder no errors fire up
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Sep 14, 2010
I' am Use Notebook (Samsung R580) OS : Windows 7 Home Basic Sceen ..
As shown in the image the camera is black, but somehow the image Get Connected Profile is not .. There follows a look at the program's source code and would be happy if you tell me where the error
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May 20, 2009
I'm trying to capture an image from my webcam and save it as a .bmp file. the code i have works perfectly except for 1 issue i cant figure out no matter what I try the issue is that when i save the bitmap it only saves in 320x240 resolution even though I have set the resolution to 640x480 everywhere I could think of.
here is the (edited) code I currently have. some places I didn't know what to change so I put in 640,480 anyways to see what happened but that didnt make any difference and also didnt cause any errors so i left the changes there.
Const WM_CAP As Short = &H400S
Const WM_CAP_DRIVER_CONNECT As Integer = WM_CAP + 10
Const WM_CAP_DRIVER_DISCONNECT As Integer = WM_CAP + 11
Const WM_CAP_EDIT_COPY As Integer = WM_CAP + 30
[Code]......
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Aug 16, 2009
picturebox1.image = system.image.drawing.fromfile(x) x is the location where the webcam store the current image.if the code above would work what is x ?
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Feb 16, 2012
I have been working on capturing image and recording video in VB using webcam. From the cource code,I have successfully captured and saved images, however for the video part I have failed to save it in any selected directory. I've checked the code with some other sample codes in internet. Couldn't see any problem or differences. My code for recording and saving are as follow:
Recording:
SendMessage(hWnd, WM_CAP_SEQUENCE, 0, 0)
Saving:
Dim save As Integer
save = MsgBox("Do you want to save your recording video", MsgBoxStyle.YesNo + MsgBoxStyle.Information, "Recording Video")
If (save = MsgBoxResult.Yes) Then
[code]....
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Jan 18, 2006
I have a little Logitech USB Webcam that I have attached to a laptop and I want to be able to view a video stream from it. I already gathered it will need to be a client/server model...and I probably need to use TCP/IP and/or Winsock (if its still even used)...
how to really approach this application as far as the video capture process? I don't have a need to really record video in any way so if i can just "preview" the video thats fine, although recording would be a neat bonus.
I read into the Windows Image Aquisition libraries and they seemed to be the right thing...but I wasn't so sure about the cross-network half of the equation.
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Jun 4, 2012
I'm using a picturebox to display the video captured from my webcam. I tried out two codes:
1) [URL]
The code in this forum by kaymaf. it does not work at all! there is no video displayed at all. Also, i'm currently using a PixeLINK 1394 Camera to get the video, but this is not shown in the list of cameras. It shows : Microsoft WDM image Capture (Win 32). Are these the same?
2) [URL]
This code works the first time i run it. But the second time it gives me a listbox of camera to choose from and then does not display any video. The screenshot is as displayed:
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Apr 4, 2009
I am interested in streaming video from a webcam on one PC to another PC. Could this be done without streaming to a server. Could this be achieved by streaming using P2P?
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Aug 15, 2010
i can't work the two codes in the same program the volume meter : [URL]
and the image capture of : (the actual capture ,the webcam image display works) [URL]
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Aug 13, 2009
how do i capture an image with a webcam and save it in a picturebox?
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Jun 4, 2012
how to capture and save still image through webcam in vb 2010
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May 20, 2010
While I have got some leads from an older SO post and from this site, I haven't been able to figure out how to capture each frame of a web-cam.
What I would like to do is something like this capture a frame then do some image processing on it and display the output and then move on to the next frame.
Can I can access to web-cam frame events or is there any efficient way to achieve this?
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Dec 29, 2008
I would like to do a program to capture a picture from webcam and display it.
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