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Jason over at Digital Media Thoughts sent me an email about his new article on The Powers and Perils of a Platform.  Jason talks about the trouble he had when a Media Center 'plugin' went bad and couldn't be uninstalled.  It's not clear if it was an HTML application or a managed code add-in, but based on the description I'm assuming it's the latter.  He ran into problems when trying to manually uninstall the application so I thought I should post something on what to do when an add-in goes bad...

In Media Center 2005 add-ins can do pretty much what they want to do without restriction, if one starts to misbehave the best thing you can do is to disable it:

1. Start Media Center
2. Click on Settings
3. Click on General
4. Click More Programs Options
5. Click Edit More Programs
6. Deslect the app to disable and click Save

This will disable the app from starting and hide anything entrypoint it's registered throughout Media Center.  It won't uninstall the app, but it will prevent it from running.

MSN Remote Record is live and out of beta.  In simplest terms it's a way of browsing the same TV guide as your Media Center PC uses and then remotely instructing your Media Center PC to record something.  Pretty clever stuff.  There's a small download for your Media Center PC and then it looks pretty easy to use.

Try it and let me know what you think.

All the keyboard shortcuts for Media Center for those times when you just don't want to use a remote control are documented here.

Update: If the page doesn't display, try again later, it's propagating around servers or something like that I'm told

Betanews reports that Gateway/eMachines will be offering a new Media Center PC for $599!  The specs are pretty impressive for such a cheap computer:

• AMD Athlon 64 3400+
• 1GB DDR SDRAM
• 200GB hard drive
• ATI Radeon Xpress 200
• 8 in 1 media reader
• Rewritable dual-layer DVD drive
• CD-ROM drive

Wow.  No mention of a TV Tuner, monitor or remote though... 

I've never bought an eMachines computer before, but that seems like a great deal for a pretty powerful system.

• Microsoft Media Player shreds your rights: 'Think DRM was bad already? Think I was joking when I said the plan was tostart with barely tolerable incursions on your rights, then turn thethumbscrews? Welcome to Windows Media Player 11, and the rights get chippedaway a lot more.'
• Microsoft DRM To Get Even Tighter: 'I think I'm going to wait for Windows Media Player 12 to come out, whichreportedly will include DRM that doesn't let you listen to your music atall. All the major recording labels are on board with this format, so we mayfinally get a realistic alternative to iTunes without the clumsy Mac-likeinterface. Plus, it won't cost much more per track than the average iTunessong now. There will also be more visualizations included to help youimagine what the music you're playing actualy sounds like.'

I've had a couple of questions by email that I should answer (note I've paraphrased some of these):

What fonts should I use for my HTML Media Center application and can I use Flash?  The SDK is where to go for design guidelines for HTML applications (the short answer is to use a sans serif font).  Yes, Flash can be used in HTML Media Center applications - Napster and MSN Music both use Flash.

How can I add an application to the Start Menu?  You can't.  Well OK, you can, but we recommend that only OEMs use this functionality as there is a limit to how many applications can appear on the start menu and adding a new app will stomp on existing applications.  If you intend to distribute your application you shouldn't do this, but if you really want to know, the details are in the SDK here.

I've seen the Media Center software for sale online is it OK to buy it?  I'm no lawyer so I'm not going to comment on this.  Media Center is an OEM product and only available with new PCs is the official answer though.

• What is the context for registration? People want instant gratification. It’s fairly easy to switch providers –low barriers to entry for online services. People will lie to protect their identity. Remembering account details is difficult.
• In order to establish an effective design, need to embrace user needs & leverage their natural behavior
• Different structures for user registration. Pre: needs unique identifier. Post: encourages return transactions. Immersive: promotes usage. Part of the way you use the product.
• Connecting with the user: build trust so can get factual data within the system
• Error & help text: fun, approachable angle to ease people into it
• Only ask necessary questions
• Only need unique identifier for communication: aol, gmail, etc.
• Banking & Finance: needs identifier for increased security
• Commerce: no meaningful ID needed for commercial transactions
• If going to use a unique identifier, make it easy for people. Use email or a common ID method for registration if you do not need a unique identifier
• Respect your user’s locale: get message to international users that a localized version of site content is available.
• Use CAPTCHA wisely: Provide audio version for the visually impaired, allow user to request a different image, Use CAPTCHA to protect commodities like usernames
• Online circle of life: register, user, forget account information
• Build a relationship prior to or with registration
• Be personable: use humor if appropriate
• Explain the value of questions if they may be seen as out of context
• Use an immersive registration process when possible

• Email: quickest, assumes people have control over email
• Challenge/response model: prone to repeated errors because people lie, works best when information is up to date
• Forensic: confirms account activity and details in order to reset password: verifies actions only known by the account owner, safest method, most difficult to implement
• Email recovery: put the user in the control. Need to ask for email address from user. Confirm where it is sending
• Challenge/recovery questions change over time.
• Users want to retain privacy and may be worried about ID theft
• Put the user in control of account recovery
• Remind users that their account may contain old information
• Use human support when possible

I've decided to take all the questions I get by email and answer them on Fridays in one post, so do please continue to email me any questions you have.  That said, here's this weeks questions:

How can I keep the Media Center window on top so I can work on other things?  In Media Center go to SettingsGeneralStartup and Window Behavior and select 'Media Center window always on top'.

How can I associate an HTML application with an add-in?  Register both the add-in and the HTML page together.  Instead of registering the HTML app and the add-in you need to register them both as a single application with multiple entrypoints - one entrypoint for the add-in and one for the HTML page.  This will make them both part of the same application and so from a background add-in a call to ApplicationInfo.IsForeground will return 'true' when the HTML page is currently being displayed.

I've had lots of questions recently and no time to really get answers and post them up here.  If I haven't answered you question it's because I don't know the answer and haven't had enough time to get to the bottom of it yet.

First of all I had a couple of questions on MSAS which I don't know that much about.

Can I tell which tuner is being used when a recording takes place using MSAS? No, you can not.  What you can do, which may or may not help is use OnTVRecordStateChange from a background add-in which will give you a GUID and you could track which was in use - this won't help if a tuner is being used for live TV though.  Here's a code snippet on how to use OnTVRecordStateChange:

void IAddInEntryPoint.Launch(AddInHost host)
{

host.Television.OnTVRecordStateChange += new Microsoft.MediaCenter.AddIn.TVRecordStateChangeDelegate(TvRecordStateChangedHandler);

...

}

public void TvRecordStateChangedHandler(object obj, Microsoft.MediaCenter.AddIn.TVRecordStateChangeArgs TVArgs) {

if (TVArgs.Started)

mcHost.HostControl.Dialog('Recording started on tuner ' + TVArgs.Tuner, 'TV Recording',1,10,false);

else if (TVArgs.Stopped)

mcHost.HostControl.Dialog('Recording stopped on tuner ' + TVArgs.Tuner, 'TV Recording',1,10,false);

}

Can I use remote desktop to connect to a Media Center PC? Yes.  You can even use Media Center, but it won't play video over a RDP connection

Can I use animated backgrounds in an HTML page? Not really a media center question, but I don't see why not, use an animated gif.

Could I create an add-in that played a selection of WAV files with a gap between them? Yes, using Playmedia and Playrate you could contstruct an addin to do this - waiting until the playrate was stopped, then wating however long you want before playing the next file.  You could also use More With This  to make this work with any folder of audio files.

Can I use ASP.NET for development?  Yes.  You can use any web technology that outputs HTML.

Can I use WinForms for development?  Yes, but if you're running as a .exe you won't have access to Media Center APIs.  If you're running as a .NET applet in a webpage you'll have access to the Media Center APIs from the HTML page and will have to communicate between the page and the .NET applet to use the Media Center APIs - non-trivial to do, but not hard.

In yesterday's announcement of the new Zune media player and Zune Marketplace, Microsoft (and many press reports) glossed over a remarkable misfeature that should demonstrate once and for all how DRM and the DMCA harm legitimate customers.

Microsoft's Zune will not play protected Windows Media Audio and Video purchased or 'rented' from Napster 2.0, Rhapsody, Yahoo! Unlimited, Movielink, Cinemanow, or any other online media service. That's right -- the media that Microsoft promised would Play For Sure doesn't even play on Microsoft's own device. Buried in footnote 4 of its press release, Microsoft clearly states that 'Zune software can import audio files in unprotected WMA, MP3, AAC; photos in JPEG; and videos in WMV, MPEG-4, H.264' -- protected WMA and WMV (not to mention iTunes DRMed AAC) are conspicuously absent.

This is a stark example of DRM under the DMCA giving customers a raw deal. Buying DRMed media means you're locked into the limited array of devices that vendors say you can use. You have to rebuy your preexisting DRMed media collection if you want to use it on the Zune. And you'll have to do that over and over again whenever a new, incompatible device with innovative features blows existing players out of the water. Access to MP3s and non-DRMed formats creates the only bridge between these isolated islands of limited devices.

The real culprit here is the DMCA -- but for that bad law, customers could legally convert DRMed files into whatever format they want, and tech creators would be free to reverse engineer the DRM to create compatible devices. Even though those acts have traditionally been and still are non-infringing, the DMCA makes them illegal and stifles fair use, innovation, and competition.

May this be a lesson to those who mistakenly laud certain DRM as 'open' and offering customers 'freedom of choice' simply because it is widely-licensed. With DRM under the DMCA, nothing truly plays for sure, regardless of whether you're purchasing from Apple, Microsoft, or anyone else.

Take action now to support DMCA reform and to stop the government from mandating more DRM.

[Postscript: In an interview with Engadget, Microsoft Zune architect J Allard pointed out that Zune has sufficient video format support, in part because there's 'Lots of DVD ripping software out there that encodes to those formats, so the most popular formats out there, whether it's MPEG-4 or H.264, we'll support those.' Gee, he isn't suggesting that his business model benefits from customers using tools like DeCSS or Handbrake to evade the DRM on DVDs, right? Especially since Microsoft is furiously trying to squash the FairUse4WM tool, that would seem rather hypocritical.]

(Cross-posted at DeepLinks)

Five for February 15^th

• Camper Van Beethoven - Discotheque: Live Chicago  I'm not really sure why I chose this disc to link. Most of their stuff is available for download via archive.org.
  
  
• Dread Leppelin - Chickens And Ribs  I know the joke should be old by now, but it still cracks me up. It features a guest appearance by Billy Zoom.
  
  
• Mahi Mahi - Remove Your Body  This came out a few weeks ago and I forgot to mention it. I always bitch about the music scene in Providence, but when someone releases an album, I forget to write about it on the site. Sorry about that.
  
  
• They Might Be Giants - Here Come The ABCs  Speaking of children's music, have you seen the Pancake Mountain site? I've probably already linked it, but the Fiery Furnaces "Mouse House, Moose Hoose" clip is too crazy to not mention several times.
  
  
• Wedding Present - Take Fountain  I wanted this album to be absolutely amazing, but I'm having trouble getting into it. I'm gonna give it a few more tries - I can sense that there's some great material hidden in there.

Ten for February 22^nd

1. Crooked Fingers - Dignity & Shame  I think Crooked Fingers is the only band with multiple releases where I own every single one of their albums. Well, except for this one - I haven't had a chance to pick it up yet. Mark preordered and got an autographed copy. They play KEXP today. Stream the disc on the Merge site.
   
   
2. Enon - Lost Marbles and Exploded Evidence  Touch and Go's got a classy new website. They've got an MP3.
   
   
3. Jeff Hanson  Out on Kill Rock Stars. They've got an MP3.
   
   
4. Ida - Heart Like A River  Is Ida a Providence band? That's been confusing me lately. Their new disc is out on Polyvinyl. They've got an MP3.
   
   
5. Iron And Wine - Woman King  Check out Joe's review on 75 or Less. There's an MP3.
   
   
6. I ♥ Huckabees  
   
   
7. Karate - In The Fishtank  I had no idea this was being released. A nice suprise.
   
   
8. Mogwai - Government Commisions  Their live BBC material from the past few years.
   
   
9. Robbers On High Street - Tree City  
   
   
10. M. Ward - Transistor Radio  I've only heard a few tracks from the radio, but they were CRAZY good. Once again, you can stream the disc on Merge's site.

WSJ: Free, Legal and Ignored. The subhead says it all: Colleges Offer Music Downloads, But Their Students Just Say No; Too Many Strings Attached. The article is about the unsurprising-to-anyone-except-Napster miserable failure of subscription based music services to take hold in universities. Compared to the complicated barrage of restrictions on the music offered by Napster, the students come across as models of common sense:

• While Cornell's online music program, through Napster, gave him and other students free, legal downloads, the email introducing the service explained that students could keep their songs only until they graduated. "After I read that, I decided I didn't want to even try it," says Mr. Petrigh, who will be a senior in the fall...
• Purdue University officials say that lower-than-expected demand among its students stems in part from all the frustrating restrictions that accompany legal downloading. Students at the West Lafayette, Ind., school can play songs free on their laptops but have to pay to burn songs onto CDs or load them onto a digital music device.
• "People still want to have a music collection. Music listeners like owning their music, not renting," says Bill Goodwin, 21, who graduated in May from the University of Southern California in Los Angeles. USC decided last year that it was finished with Napster after fewer than 500 students signed up...

There’s also a telling quotation from the director of the Campus Computing Project, who says, “The RIAA’s push to buy into these services strikes me as protection money. Buy in and we’ll protect you from our lawsuits,” which is one of the kinder descriptions of the unfriendliness of the industry that I’ve read lately.

I’m still waiting for someone in the industry to wake up and understand that their path to profitability lies in supporting good music and making their rich back catalogs available, not in fighting the fans of music tooth and nail. Today, three years after the birth of the iTunes Music Store, there are still many albums and tracks that can’t be found anywhere online—some by major artists (just try tracking down any non-album Sting tracks from before the late 90s), some by minor artists on major labels (Annabouboula, anyone?), and some by great cultural figures (I’d gladly pay through the nose for access to e.e. cummings’s Six Nonlectures as digital files, or even on CD). Instead we get American Idol and Rock Star. What, no one ever told these guys that a steady diet of candy can kill you?

BTW, for a good counterexample, check out Verve’s deep catalog—including a bunch of rare Impulse! recordings—though they don’t quite get it right; they support both iTunes and Windows Media, but no DRM-free offerings. But at least they’re opening up their catalog.

Posted by Danny Dover

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