Capturing And Saving Video It With Avicap32.dll And User32.dll?
Jun 15, 2009
I have a web cam connected through USB,I capturing and saving video it with avicap32.dll and user32.dll.But in the same time I need to starting other hardware and working with it trough COM port during capturing. And here appearing a problem, because then I send a command for start video capturing:
SendMessage(hWnd, WM_CAP_SEQUENCE, 0, 0) ' start video capture
the executing code stops at this line until I click to stop to capture. But in the capturing time I need to work with my hardware, to obtain the data from it, and after that to stop capturing.To make to work simultaneous video capturing and my hardware or its impossible to do that with avicap32.dll and user32.dll.
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Aug 26, 2008
We are using avicap32.dll for capturing Pictures from Webcam,and we want to display the list of connected Webcam names but we are only able to get the driver name for webcam by using capGetDriverDescriptionA method. Is there any method to get the name of the webcam like "asus W120"
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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 27, 2012
I am using the avicap32.dll to capture images and videos from the webcam. but for some reason the code refuses to save the video files. I searched already on DIC and google and I found some topics on it, but I don't find the answer for my question
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Oct 17, 2010
when i record a video with avicap32 all become unresponsive what is the best way to procede?
how do u force avicap32 to record on a separated thread
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Oct 8, 2007
The following is code is for a windows form that I took straight from the code project website. Everything is working fine except when I stop recording, it's not saving where I want it to. I think the problem is the very last sub, but I cannot figure out what it is.
[Code]...
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Oct 17, 2010
1) how do you stop recording with avicap32.dll without saving the file?
2) How do you remove the recorded file
3) Where the recorded file is stored during recording? is it possible to give an address before starting to record?
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Jan 22, 2010
I need to capture still's from 2 different video cameras. I am using a 4 channel usb dvr. I have tried to use DirectShow but I only get 1 camera. How can I get a list of all the cameras connected to my pc. I use Visual Studio 2008.
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Jul 1, 2009
i`m trying to understand the following code for video capturing but some things are very strange for me explain briefly the below code. If you can give any articles. Basically i`m trying to create my own video capturing program and i want to understand this one before starting my own.[code...]
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Dec 15, 2011
I need to create a program that can capture video and image. The program is very simple, it just have a screen and a button labeled "Capture". When I click capture, it will capture the image and save it in drive "C:".
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Mar 1, 2012
How To Save A Recorded Video In VB 2008? I'm having a problem on my code um i can't seem to save the video that i have recorded in my project. everytime the dialog that allows me to save and when i check the destination where i saved the video it won't appear so i don't know if it really recorded or it just won't save. and also the filename. whenever i add new song in the listbox for the song list [Code]
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Jun 17, 2009
What I'm trying to do is take a 'input' video file (I can make it whatever file type will make this the easiest) and then, through my code, add text to the video file. for example, it would take 'Sample1.mpg' and output 'Sample2.mpg'. It wouldn't show the video (I've found some tutorials that talk about overlaying text as the video plays; but not actually modifying the video file.
Basically, I'd like to be able to say, 'From seconds 1 to 200, draw 'Hi Mom' at position 0,0 with this font' and have that saved in the outputed video. Whenever you run the outputted video, with any player, you'd end up seeing the text; because it'd be part of the video file.I've heard claims like, 'DirectShow!' but I'd really welcome anything slightly more specific.
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Feb 13, 2011
how do you display a webcam property page with avicap32? I am sending this message SendMessage(hHwnd, WM_CAP_EDIT_COPY, 0, 0) but the windows does not open
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Sep 21, 2010
I am working in VB.Net.Can some one provide me the documentation of Lib "User32". I want to know that Lib User32 is used for what purposes Or which functions it can perform?
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Jan 21, 2010
[code].....
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Sep 20, 2009
Im working on the Hyvar.NET project, and I've just started sandboxing browser tabs. Im using the sendmessage function of win32 to manipulate each tab, but i need to send things like Webbrowser.Navigate(URL) in the sendmessage function.
So far i have this:
<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _
Public Shared Function SetParent(ByVal hWndChild As IntPtr, ByVal hWndNewParent As IntPtr) As IntPtr
End Function
[CODE]................
I somehow need to send the navigation methods etc using sendmessage....
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Sep 5, 2009
If I know the hwnd of a window, could I get it's position and location based on my screen size. (I mean, size and location in pixels)
What I want to do is capture the screen, but only capture the handle's area.
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Oct 15, 2011
What's the difference between these two declarations for PInvoking a user32.dll function?The first way, which I've commented out since it gets an error (Type DllImport is not defined"), the second way works. [code]
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Oct 3, 2011
Ok so i have this function at beginning:
[Code]...
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Jul 18, 2009
When I try to execute my code, the new process in my panel will act weird and crashes. That's my code:
'API Functions
Public Const GWL_STYLE As Long = (-16)
Public Const WM_SYSCOMMAND As Integer = 274
Public Const SC_MAXIMIZE As Integer = 61488
[code]....
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Jun 9, 2011
I am trying to write a system service that can detect whether the user is active and then launch a process if not. I am using a service because I want this to work if the user is logged in or not. I have been trying to hook into the user32.dll API and retrieve the time since last user input. However the integer being returned is always 0 so I don't think it is working correctly. Is this not possible when running as a system service?
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Sep 5, 2009
I was wondering if there was a function in user32 that could enable a hwnd control if it is disabled (grayed out) If I know the handle then can I do this? Also, if it is a menuitem, can it be done too?
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Jun 22, 2010
I have a vb.net project which i have inserted pictures and video. I inserted a video clip using the Windows Media Player control and it does work. The issue i have is that i can't move the program to another computer because the pathname for the video will be wrong. I know i could change the pathname when i move it but this is not practical because i need to present this program. Does anybody know how to make the video accessible no matter what location the program is at?
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Dec 24, 2009
I am monitoring 12 video feeds from video cameras. Now I have more than 12 cameras, I have 134. But I will only monitor 12 cameras at a time. By Monitoring I mean, I have 12 small video screens on the form that I can see the video. The way I know which cameras are active, so I can monitor them is by a boolean value in a sql database. I run a Store Procedure in my program, and spit out the results in a XML file. I then read the XML file in a loop. This XML file will have a list of the camera names I need to monitor.
So that is for 12 video feeds. Now, I want to have a NEXT or FORWARD button on my monitor form. So when I click this it will give me the next group of cameras, 13 to 24. Now if I only have15 cameras that are active, that means the first group is 1 to 12, then the second group is 13 to 15 cameras. So I will only have 3 to monitor on the second grouping. One thought I had was to have another field in my table to mark as already as an active monitor, so when I run the SP, i will not select that row. But I need to select 12 at a time. Or I can make a number of xml files, one xml file for each grouping of 12, but I need to figure out how I can select the next group without re-selecting the first group. I have no code at the moment, I'm on my non-programming computer.
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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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Jul 7, 2009
I was wondering if it was possible to have a program open Firefox, and have it open a bunch of tabs that all go to a link with a video, and then have it automatically play that video?
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Jul 21, 2011
I would like to create thumbnails into a VB (2005 or 2010) form from video files.
I have a directory (in my hard drive) with video files (.mpg).
How to show video thumbnails for each video file?
My VB code (for images) is attached below and I want to convert it in order to manage video files.
Private Sub ThumbButton_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles ThumbButton.Click
Dim imagepath As String
[Code].....
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Jun 22, 2010
i want to make a video streaming server or a Video Lan chat programe in VB.net
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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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Jul 12, 2010
i want to buffer a video file on client side when it request.. what syantax i use to buffer the video the video in client's media player
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