I'm trying to play a wav file(44100sr 16bits 2 channels) from the disk , and I need to process the audio data in the SampleGrabber filter callback ,bu ...
I'm trying to play a wav file(44100sr 16bits 2 channels) from the disk , and I need to process the audio data in the SampleGrabber filter callback ,bu ...
I have a graph end point of which is a SampleGrabber where I get uncompressed data of all frames using callback function. In my top level interface c ...
I have taken a code from the net to capture a frame from a video file and modified to capture all frames and store it as bmp images. The input vide ...
I need your advice. I'd like to develop the app for audio/video splitting using Metro interface. Usually I use DirectShow for it using the follow sch ...
In visual community 2015 I have a c++ project. In the cpp file top I have I also set when entering the project properties > VC++ Directories I a ...
I have been trying to use SampleGrabber to grab a frame from a webcam and save it as a bitmap but haven't had any luck. I used the Directshow video ca ...
I was working on a audio/video capture library for Windows using Media Foundation. However, I faced the issue described in this post for some webcams ...
I am using a DirectShow filtergraph to grab frames from videos. The current implementation follows this graph: SourceFilter->SampleGrabber->Nul ...
I had made below code to display all crop prices to one webpage from this site:http://agmarknet.nic.in/agnew/NationalBEnglish/MarketWiseDailyReport.as ...
I am new to directshow and using DirectShow Sample "FrameGrabberDemo" and facing issue in getting the image. I tried with .avi and .mpg, both are givi ...
I'm developing a project using DirectShow .NET. I'm trying to integrate a library called "WPF Sound Visualization Library" which creates a spectrum an ...
I am using DirectShow for a movie playback. I modify video/audio data and render everything myself in my app. Therefore, I am using SampleGrabber filt ...
How to get the current resolution of SamleGrabber in DirectShow? I tried the below code, it doesn't work. The value you get is always 1920x1080, whil ...
I found this nice example on the internet explaining how directshow works. http://alax.info/trac/public/browser/trunk/Utilities/SetLifeCamStudioResol ...
Okay. So I've got my isamplegrabber callback method to work, and I am able to get the data into opencv. But due to the fact that this is totally new t ...
Is there any reason why the size of BufferLen in ISampleGrabberCB.BufferCB with the media subtype not set should vary if called from different program ...
I'm working on a basic implementation of a DirectShow filtergraph to get images from my webcam in my application. I've read the documentation and crea ...
Thanks to your help I was able to search for the right words to use directshow a bit better. I found a tutorial how to use the SampleGrabber-object he ...
I was using a callback mechanism to grab the webcam frames in my media application. It worked, but was slow due to certain additional buffer functions ...
I have a DirectShow application written in Delphi 6 using the DSPACK component library. When I shut down my filter graphs (stop play), I get an access ...