Re: [Users] Adding DRM (Digital Rights Management) to smil MMS

Mon, 25 Aug 2008 08:00:30 -0700

DRM is a long and sometimes scary story. Yes in general you must do as the archive mail says. In practice, you need to adapt the DRM wrapper to each type of device (based on device capabilities). Mbuni doesn't handle this for you. There is a commercial module from Skycore (www.skycore.com ) that does however do DRM wrapping based on matching UAProf strings and such. 
On Aug 25, 2008, at 15:52, Mohammad Abu Karim wrote:


Hi Guys.
I have question about adding the DRM to the smil file content.
I am trying to add the DRM to the smil file content (images, audio, video), I have searched in the mailing list and I got this thread 

http://www.mail-archive.com/[email protected]/msg01173.html

and the following is the smil file:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE smil PUBLIC "-//W3C//DTD SMIL 1.0//EN" "http://www.w3.org/TR/REC-smil/SMIL10.dtd "> 

<smil xmlns="http://www.w3.org/TR/REC-smil";>
  <head>
    <meta
          name="title"
          content="Test Smil MMS with DRM"/>
    <meta
          name="author"
          content="Author"/>
    <meta
          name="copyright"
          content="Copyright"/>
    <layout
            type="text/smil-basic-layout">
      <root-layout
                   id="rootLayout"
                   width="176"
                   height="208"/>
      <region
              id="image_reg"
              background-color="white"
              left="9"
              top="9"
              width="163"
              height="192"
              fit="fill"/>
      <region
              id="text_reg"
              left="18"
              top="78"
              width="144"
              height="48"/>
    </layout>
  </head>
  <body
        id="body">
    <seq>
      <img
           dur="3s"
           src="http://webserver/serving_files.php?file=img_1.jpg";
           region="image_reg"
           id="img_1"
           begin="0ms"/>
      <text
              dur="4s"
            src="http://webserver/text_file.txt";
            region="text_reg"
            id="text_1"
            begin="0ms"/>
      <img
           dur="4s"
           src="http://webserver/serving_files.php?file=img_2.jpg";
           region="image_reg"
           id="img_2"
           begin="0ms"/>
    </seq>
  </body>
</smil>

And I added the DRM Headers to the images through such script.

Is this the only way to add the DRM to the smil MMS?
Is there anybody used this way and success?
Is there any tutorial or manual to explain adding the DRM to a smil MMS? 

Regards.

Mohammad Abu-Karim








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