Audio stream transfer and play

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I want to write the sever-client model app in realtime.
Client requires the current output audio data of server.
Server captures self audio data and sends it to cilent in real time.
Client receives the data and plays it in real time
I need samples.
//////////////////
What does capture output audio data.
Help me! And i need reference link.

Posted 8-Aug-12 22:00pm

김포스

Updated 9-Aug-12 21:43pm

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pasztorpisti 9-Aug-12 4:59am

This is a tipical UPD scenario where you don't need reliable data channel (like TCP). Unfortunately I don't have the time to find out the answer right now and don't know where to start it. How good are you at network programming and UDP?

Albert Holguin 9-Aug-12 23:46pm

With rates as low as music playing, you don't really need to resort to UDP... but it wouldn't hurt either.

pasztorpisti 10-Aug-12 2:31am

You are right, TCP might be enough. I'm a TCP fan anyway and don't like bothering with UDP. :)

Albert Holguin 10-Aug-12 9:41am

There's audio applications that employ both types, VoIP commonly uses UDP, internet audio streaming commonly usus TCP... so it's more of a design question but the rate isn't really a restriction (unless you have a REALLY slow network connection, like dial-up, but I don't think many people have that anymore).

Member 9102753 9-Aug-12 7:49am

Read about WAVE API from MSDN that may help you .....

Member 9102753 9-Aug-12 7:54am

try to start from recording and playback programs

Volynsky Alex 10-Aug-12 5:33am

DirectShow Programming from Youtube:
http://www.youtube.com/watch?v=bl_ADLC76oQ
http://www.youtube.com/watch?v=BOGF3WkmcL8&feature=relmfu
http://www.youtube.com/watch?v=ZzIKOGKJEwc&feature=relmfu
http://www.youtube.com/watch?v=BA1Vkx77fZ4&feature=relmfu
http://www.youtube.com/watch?v=RN8ygMtQFu4&feature=relmfu

Here articles from codeproject:
http://www.codeproject.com/Articles/60599/A-Brief-Tutorial-On-How-To-Develop-DirectShow-Sour
http://www.codeproject.com/Articles/80413/Streaming-Server-using-Direct-Show-and-Windows-Med
http://www.codeproject.com/Articles/11896/Programming-DirectShow-applications-in-C-A-set-of

Programming DirectShow applications in C#:

Streaming video across a network using DirectShow:
http://social.msdn.microsoft.com/Forums/en-US/windowsdirectshowdevelopment/thread/f28de003-abe6-4949-8a3f-6f7d1198e008/

For example, you can also read about Mango DSP a developer and manufacturer of intelligent video surveillance devices:
http://www.mangodsp.com/default.asp?id=11&item=4

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Volynsky Alex · Answer 1 · 2012-08-09T23:32:00

Hi 김포스 !
You can read about DirectShow (sometimes abbreviated as DS or DShow), is a multimedia framework and API produced by Microsoft for software developers to perform various operations with media files or streams. It is the replacement for Microsoft's earlier Video for Windows technology. Based on the Microsoft Windows Component Object Model (COM) framework, DirectShow provides a common interface for media across various programming languages, and is an extensible, filter-based framework that can render or record media files on demand at the request of the user or developer. The DirectShow development tools and documentation were originally distributed as part of the DirectX SDK.
Currently, they are distributed as part of the Windows SDK (formerly known as the Platform SDK). But Microsoft plans to completely replace DirectShow gradually with Media Foundation in future Windows versions. Windows Vista and Windows 7 applications use Media Foundation instead of DirectShow for several media related tasks.
http://msdn.microsoft.com/en-us/library/windows/desktop/dd375454%28v=vs.85%29.aspx
http://www.laganiere.name/directshowTut/
http://www.codeguru.com/cpp/g-m/directx/directshow/article.php/c9551/DirectShow-SingleFrame-Capture-Class-Without-MFC.htm[^]