directshow Questions
3
I have developed DirectShow C++ app which successfully previews web cam view into provided window. Now I want to capture image from this live web cam preview. I have used graph manager, ICaptureGra...
Gasser asked 9/7, 2012 at 15:55
1
i want to encode live stream video with ffmpeg capturing from Directshow card(Osprey Card 450e) to mp4 streaming multicast. For the moment i have this error.
ffmpeg -f dshow -i video="Osprey-450e ...
Biostatics asked 29/11, 2013 at 15:10
2
Hi Stack Overflow members,
I'm a newbie to C# programming. I am developing a basic camera streaming and still capture application. Once user takes still, I will be displaying it on overlay using V...
Mellon asked 27/3, 2013 at 6:56
2
Solved
I'm using DirectShow library (DirectShowLib-2005.dll) with C# to capture a video camera image. When I'm definig the capture object's size, I have these parameters:
const int VIDEOWIDTH = 640; // D...
Gormand asked 6/12, 2013 at 1:8
3
Solved
I am trying to write a program in Visual Studio 2008 that will access a webcam, show a preview on the screen and then save a still snapshot (.jpg) when the button is pushed. Later I am going to int...
Straitjacket asked 19/10, 2013 at 12:19
1
Solved
I am using Delphi 5.
I want to know when avi file play is completed using 'TFilterGraph'. I want to run number of avi file one after another automatically. So I have downloaded DSPack and used 'TF...
Thermopile asked 22/10, 2013 at 19:1
1
Solved
I want to create a Virtual Webcam for Windows 8 and I have two choices: DirectShow or Microsoft Media Foundation. After some looking around I found out that DirectShow has much more exmples and eve...
Chicle asked 31/8, 2013 at 11:59
2
Solved
We have a c# application that performs processing on video streams. This is a low-level application that receives each frame in Bitmap format, so basically we need 25 images each second. This appli...
Uncaused asked 3/5, 2013 at 11:12
2
So to get cameras list and let user select one (C++, Boost, dshow, windows) I use such code:
#include "StdAfx.h"
#include "list.h"
#include <windows.h>
#include <dshow.h>
#include <...
Zollie asked 5/12, 2010 at 16:21
1
I spend a lot of time trying to make DTVViewer sample of DirectShow work unfortunately with no success. The video format of DVBT network is H264 and I found that the IntelliConnect behavior of IFil...
Cross asked 26/6, 2012 at 6:12
4
Solved
What debugging tools are available for directshow filters? Presently, I have a project that compiles and registers a video source filter that I then setup a graph in GraphEdit. I am using c++ in vi...
Crescantia asked 9/6, 2010 at 3:7
4
I have an directShow filter: MyFilter.ax
When I try to register MyFilter.ax with Regsvr32 utility it gives NO error or any message(success or failure). But the filter is not registered.
Regsvr32...
Tinatinamou asked 10/8, 2011 at 20:31
2
Solved
I've stumbled through some code to enumerate my microphone devices (with some help), and am able to grab the "friendly name" and "clsid" information from each device.
I've done some tinkering with...
Arithmetician asked 12/10, 2012 at 19:14
1
Solved
I am using WPF application which is using DirectShow library and it is working fine for grabbing images or recording the live feed,but i wants that end user should not be able to see that any web c...
Bombacaceous asked 8/11, 2012 at 18:46
1
Solved
We have an application that reads a GigE YUV video stream and displays it on the screen. By profiling, we have learned that the function converting each frame from YUV (UYVY) to RGB24 is taking at ...
Ie asked 18/10, 2012 at 18:28
2
Solved
I'm brand new to DirectShow and am working on adding a video stream to my application. I've looked into many solutions out there (TouchLess, DirectShow.net, etc.) and ended up going with this small...
Grisaille asked 12/9, 2011 at 4:37
1
I am using DirectShow ICaptureGraphBuilder2, IVideoWIndow & IGraphBuilder to preview web cam video into specified window.
I am successful to preview web cam view. Now, I want to rotate this web...
Jehiel asked 8/8, 2012 at 11:34
1
Solved
Basiclly, I want to capture audio/video. Run it through a mp4 muxer and save it to a file on disk. Before I used ICaptureGraphBuilder2, but it seems unusuable when saving to custom formats.
My co...
Ardellardella asked 26/6, 2012 at 8:1
1
Solved
So basiclly I read this, http://www.gdcl.co.uk/2011/June/UnregisteredFilters.htm.
Which tells you how to use filters without registering them. There are two methods, new and using a private CoCrea...
Benita asked 25/6, 2012 at 15:10
4
Solved
I've read through the MSDN documentation on DirectShow and it's still confusing. I feel like I need more context for what the objects are: Graphs, Pins, Filters...etc. A Google search doesn't give ...
Mare asked 16/1, 2010 at 16:8
1
Solved
In my DirectShow project I create a filter (derived from CBaseVideoRenderer) to render to a block of memory. This works in most cases perfectly well, with me adding the filter
mGraphBuilder->A...
Wigley asked 30/5, 2012 at 18:37
1
Solved
As the title says, I've got this error. I've got installed:
Visual Studio Professional 2010
Microsoft Windows SDK 7.0A (set as default)
Microsoft Windows SDK 7.1
Microsoft Windows SDK 6.1 (recomm...
Radiolucent asked 27/5, 2012 at 18:21
1
Solved
I notice that avisynth can accept as input a "live directshow source" only through a graphedit file that includes that source in it. Is there any help tool out there to create a graphedit file on t...
Nurse asked 15/5, 2012 at 21:46
2
So I'm trying to write a video using the openCV videoWriter as such:
writer=cv.CreateVideoWriter(path+"test_output.avi",-1,fps,(W,H),1)
So instead of supplying the FOURCC I supplied -1 in order ...
Ardy asked 22/2, 2012 at 0:19
1
Solved
I'd like to build a small Python program that can listen to and analyze currently playing audio on a computer, for example, from any media player.
I know that this is possible with DirectShow on ...
Metzger asked 29/3, 2012 at 19:34
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