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Questions tagged [directshow]

The Microsoft DirectShow application programming interface (API) is a media-streaming architecture for Microsoft Windows. Using DirectShow, your applications can perform high-quality video and audio playback or capture.

The Microsoft DirectShow application programming interface (API) is a media-streaming architecture for Microsoft Windows. Using DirectShow, your applications can perform high-quality video and audio playback or capture.

DirectShow is a part of Windows SDK. Earlier, it was a part of DirectX 9.0 SDK (the last version outside of Windows SDK was dated February 2005).

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How to control each channel's volume when audio's channel has more than 2 in Directshow?

In IBasicAudio people can only control volume and balance, this 2 function can not controll each channels volume if they are more than 2. Is there any way to do that in directshow.
cHiWa
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Directshow support for 4K resolution

We have a 4k frame grabber which can capture 4K images. Our current setup is on x64 Windows 7. It is possible to capture 4K images with Directshow (can be any version)? Is there a way to over come the limitation of The dwBitRate(DWORD , 32 bit)…
Ishar
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Receive method on the input pin of directshow transform filter doesn't get called

I have my transform filter connected in the filter graph, but receive method of transform filter doesn't get called and there are no media samples arriving into my filter. What can be the cause of this strange behavior?
Aleksandar Vucetic
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How to pass queued data to renderer in EndOfStream?

I've written a transform filter which don't pass sample to renderer for first four frames because i extract and store data in queue. since call to transform method is equal to number of frames that's why my last 3 frame data is not getting called…
Mohan
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DirectShow camera capturing to DirectX texture

I am using DirectShow to capture images from a USB-connected camera. My goal is to have the captured camera image on DirectX 11 Texture2D to use it for rendering, and I would like it to happen automatically by DirectShow graph, without having the…
Michael Gopshtein
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How to get image from preview panel, DirectShow.Net

i am writing an app that preview then capture video from a Video Device (ex:Cam), i didn't found a solution to take a snapshot during capturing with a ASF format. so i thought i could take a picture from the preview panel but the background-image…
habibhassani
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decoder ouput ---YUV file to RGB

I have made a directshow filter of decoder using libde265. There is built in function named write_image. It writes the decoded data in a yuv file. I need to render the decoder data. For that purpose I need to do two steps: Output data on the output…
user3909276
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How can I change what group and sub-group a DirectShow push source filter appears in?

I am using the code to create a C# DirectShow push source filter from the following open source article, that builds a filter called VirtualCam: http://www.codeproject.com/Articles/437617/DirectShow-Virtual-Video-Capture-Source-Filter-in The…
Robert Oschler
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Standared WebCam interface for .NET besides DirectShow?

I want to be able to take still images with a web cam, via .NET 2.0 (or 3.5 if necessary). I know I can use DirectShow but that seems like a very large learning curve. Is there a simple to use OCX, or library that can work with most standard…
Jason
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No Video Played in DirectShow MSDN Example

I'm trying to go through the DirectShow documentation provided on MSDN. I'm a relative beginner to C++, as well. I was on the first example code in the DirectShow documentation…
Asif
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Default direct sound does not play any sound but video is playing while capture

I'm using codeproject sample for capture live tv, everything is ok but sound does not play! This is codeproject url and here is my code: private void BuildVideoAndAudioPins() { // Setup video pin media type var videoPinType =…
overtech
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Transform filter cannot connect hevc/AVI file to renderer

I have made a transform filter for hevc codec .It is getting connect for other media file format but with avi file it is not connecting on output side to renderer. I thought the issue was with respect to dynamic format change but even after…
Mohan
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Pause on one of branches in DirectShow graph

I wrote an app for video capture. That app uses the following graph: As you see after Smart Tee it has two banches. The first, "Capture", I use for stream handling, the second, "Preview", for show of video on the app's window. Sometimes an user…
victor kulichkin
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where to look for vps,sps,pps of Hevc mp4 format in DirectShow filter?

I have Created Hevc/mp4 bit stream using ffmpeg successfully. But after analysing in hex editor, I am not able to locate VPS, SPS, PPS data in mp4 file. Then I have used LAV Splitter and checked output of splitter but it is sending data of first…
Mohan
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directshow H.264 encoder which never cause memory leak

I'm developping H.264 capture application executed on Windows XP SP3(32bit). The application cause memory leak when I implement Capture Test (I'm checking Virtual Size colum of "Process Explorer"). When I change directshow encoder filter, amount of…
takashi ikejima
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