Please guide on direct show

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I want to create and use a filter in which i have to make socket connection receive the data and then pass the data to the direct show filter for playing....can you give me some guidance how to do this and which samples do i read?

Posted 2-Jan-13 2:45am

Tarun Batra

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Sandeep Mewara 2-Jan-13 23:16pm

Tried to find material on net?

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Maxim Kartavenkov · Answer 1 · 2013-01-10T00:45:00

Solution 1

Hello,

If you need C++ solution you should check DSNetwork Sample[^]
It is in old DirectX 9 SDK in DirectShow Filters Samples it can be easy modify to work not only with mpeg2 transport streams.

If you need C# solution example you can check my sample filters: Pure .NET DirectShow Filters in C#[^]

Regards,
Maxim.

Posted 10-Jan-13 0:45am

Maxim Kartavenkov

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Tarun Batra 10-Jan-13 6:54am

Thanks for the reply sir but i was trying to convert http://www.codeproject.com/Articles/158053/DirectShow-Filters-Development-Part-2-Live-Source into c# filter using your solution but i got stuck in "COM plumbing" part of the above link,i was not able to get the c# code of the "COM plumbing" part

Maxim Kartavenkov 10-Jan-13 6:58am

Yes, I wrote you note regarding that.

Tarun Batra 10-Jan-13 7:04am

but i am not able to get the CUnknown class and NonDelegatingQueryInterface(REFIID riid, void **ppv) interface in your base classes code how to get that as you can see the below code return s the CUnknown pointer
CUnknown* WINAPI CLiveSource::CreateInstance(LPUNKNOWN pUnk, HRESULT *phr)
{
CUnknown* pNewFilter = new CLiveSource(pUnk, phr);

if (phr)
{
if (pNewFilter == NULL)
*phr = E_OUTOFMEMORY;
else
*phr = S_OK;
}

return pNewFilter;
}

Maxim Kartavenkov 10-Jan-13 7:11am

Sure, but had you asking the question to yourself: "what for it is needed?"

Tarun Batra 10-Jan-13 7:15am

i am asking to you sir where can i find the CUnknown class in your base classes and NonDelegatingQueryInterface(REFIID riid, void **ppv) as there is no thing like REFIID in your samples,are there any alternative for these?

Maxim Kartavenkov 10-Jan-13 7:22am

Sure bcs C# and C++ it is different languages and I told you to review C# specification of what you are planing to do.

Tarun Batra 10-Jan-13 7:25am

sir sorry for the silly ques but i am not much familiar with C# can you please give me the equivalent c# code for the above c++ code i only want to implement the filter of which i have given you link in C#,as you are much familiar with direct show,it will be so kind of you

Maxim Kartavenkov 10-Jan-13 7:41am

Why are you doing conversion from C++ into C# if you not much familar with C#? - use C++ code. I already wrote you - there is no equivalent, I already gave you the URL which you should read.

Tarun Batra 10-Jan-13 7:45am

you are absolutely correct sir we have should use the c++ code so i tryed to make the DLL of above link but it gives .ax file and actually i have to receive the rtsp stream from socket connection i tryed it in c++ but was not able to but when i use your soket connection to recieve the data we were able to get so we thought to transform c++ code into c#