how can we use DRM technology to protect the content(like Audio,images....) in windows Phone 7,please share if there is any source code for that..
Windows Phone 7 supports a version of the Silverlight 3 PlayReady DRM. See http://msdn.microsoft.com/en-us/library/ee923781(v=vs.95).aspx
All XAPs uploaded to the marketplace, is encrypted with Microsoft's DRM.
Its not just audio and images, your code also needs to be protected as Xaps can be downloaded and decompiled. You should obsficate your Xaps before uploading them to the marketplace. This tool is provided free to WP7 developers:
http://www.preemptive.com/windowsphone7.html
After your done rename your XAP to .zip and use a decompiler to checkout how effective it is.
http://www.telerik.com/products/decompiler.aspx
Read this thread on some of the problems and solutions
http://forums.create.msdn.com/forums/p/93104/557911.aspx
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I developed sip application in Android. and now I am developing it in Windows Phone 8. I am new in Windows phone and don't know anything that Which library should be use here? Do Microsoft provide free library for SIP?
Please any suggest me Which way will be best for developing or any source code or library or demo application?
I think you can start from this example.
There is a full sample app there.
Take a look at boghe, it's the SIP video client for Windows Phone 8 and Surface Pro. You'll learn a lot from there.
It also cover VoIP apps for Windows Phone 8, which teaches you to integrate VoIP into WP8 experience
I want to use opencv in windows phone and not sure if any support available for that. any link / sample code would be highly appreciated
You can't. WP7 only supports managed code, OpenCV is native library.
You have 3 options:
Target WP8 instead.
Some companies (e.g. Tango, Spotify) somehow convinced Microsoft to allow native code development for WP7 platform.
Look for alternatives to OpenCV, such as AForge.NET.
I am building a WP7 app to take photo and upload image to a third-party server using RTMP. Unfortunately, I couldn't find any sensible implementation of the RTMP client for Windows Phone 7.
I have downloaded WebOrb, but it seems like the WebOrb for WP7 library doesn't support RTMP. Furthermore, I cannot integrate the Silverlight dll to my WP7 app.
I also looked at the FluorineFX but it doesn't have a version for WP7 either.
Can you advise another library which would provide RTMP on WP7, or a way to make the above libraries working with WP7?
I don't know if WP7 can run "exe" files but if u can, try with VLC 2.00 "Twoflower" or the new release. The first one works great on PC with RTMP and others.
i am hoping to develop a live video streaming app for windows phone.
I want to know what protocols and libraries support are provided for windows phone?
I want to implement a sort of Video chat application..
An example for Android and Iphone:
http://techcrunch.com/2010/03/24/knocking-live-video-now-lets-you-stream-between-android-and-iphone-devices/
As you have an IIS-7.5 tag I am going to assume you are talking about streaming from a server to multiple WP7 devices. In which case you may want to consider using IIS 7.X for the streaming portion. The following link shows how you can build the client app for Windows Phone 7: http://www.iis.net/community/default.aspx?tabid=34&g=6&i=2020
The sample requires the IIS Smooth Streaming Client (1.1), Silverlight 4, and the Visual Studio Windows Phone 7 Developer Tools.
At the moment live streaming is possible but it ill not be allowed on AppHub for distribution. This is because you have to hack the dll's. This is because when you switch from your app to the camera it physically goes to the camera mode. To live stream you have to override this.
Her is the Code Project
I am developing windows mobile application to scan a product barcode by using in built camera. Can you tell me something about barcode reader sdk which are supporting windows mobile 7?
In Windows Phone 7, with the upcoming Mango update, there will be direct access to the camera feed, without having to take a picture of the barcode. Prior to Mango, there is a library that can be downloaded from Codeplex, called ZXIng (Zebra Crossing). http://silverlightzxing.codeplex.com/
Are you developing for Windows Phone, or Windows Mobile? There is no Windows Mobile 7 - with the complete rewrite, the name changed to Windows Phone.
There is always this library (zxing):
http://silverlightzxing.codeplex.com/
It does a pretty decent job, and is able to read a number of different barcodes/qrcodes/and so on.
I updated the link to the silverlight version.
You can see the documentation here:
http://silverlightzxing.codeplex.com/documentation
It's fairly easy to implement, as he's given everything you need for WP7.