directshow

I'm using a security camera DLL to retreive the image from the camera. The DLL call a function of my program passing the image buffer as a parameter, but the image is in yuy2 format. I need to convert this buffer to RGB, but I tried every formula I found on Internet with no success. Every example I tried (including http://msdn.microsoft.com/en-us/library/aa904813(VS.80).aspx#yuvformats_2 ) gives me wrong colors. I'm able to convert the buffer to a BW image using only the Y component of the pixel, but I really need the color picture. I debugged (assembly only) the DLL that shows the image in

I'm looking for some DirectShow introduction material. Can you please point me to some (web-enabled) presentations\ books\ sites etc.? Thank you. Links to DirectShow and Multimedia Information DirectShow in Windows SDK Docs Book: Programming Microsoft® DirectShow® for Digital Video and Television 来源： https://stackoverflow.com/questions/8121713/directshow-introduction-material

on windows 7 the windows media player supports .ts files very well, in the sense that windows media player knows how to handle such files without any additional codec packs. however if I try to use graphedit to "render" a .ts file, it complains it doesnt know how to build a graph for it. what method does windows media player use to demux/decode these files? is it directshow? windows media foundation? BDA? Microsoft TV Technologies? unified tuning model? whatever the method they use, is available as an API to be used in my custom application? In DirectShow using only Microsoft filters it can be

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 integrate it with a database, but I shouldn't have a problem with that part. After doing some research, it looks like DirectShow is the best bet, because WIA didn't work on the camera I had (and I'm not sure it will continue to work into the future). Preferably, I need my solution to work from Windows XP to Windows 7. I have never used DirectShow (or similar) before. One problem I am running into is

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 CoCreateInstance. Im trying to use the CoCreateInstance method. In the sample from the site the code is listed as, IUnknownPtr pUnk; HRESULT hr = CreateObjectFromPath(TEXT("c:\\path\\to\\myfilter.dll"), IID_MyFilter, &pUnk); if (SUCCEEDED(hr)) { IBaseFilterPtr pFilter = pUnk; pGraph->AddFilter(pFilter, L"Private Filter"); pGraph->RenderFile(pMediaClip, NULL); } My code as follows, IUnknownPtr pUnk; HRESULT

What I would like to do is to pass an arbitrary audio file to a DirectShow filtergraph and receive a (PCM audio) stream object in the end using .NET 3.5 C# and DirectShow.NET. I would like to reach the point that I can just say: Stream OpenFile(string filename) {...} and stream.Read(...) I have been reading up on DirectShow for a couple of days and think I have started to grasp the idea of filters and filtergraphs. I found examples ( to file / to device ) how to play audio or write it to a file, but cannot seem to find the solution for a Stream object. Is this even possible? Could you point me