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controlling HDMI

OP threecentsflat

1st July 2010, 01:54 AM   |  #1  
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As stated in the (www .blogtalkradio .com/motodev) Q&A session yesterday with Motorola about the Droid X, in answer to the question asked at the 29:00 mark,

"The only time that we are enabling the HDMI driver on the device is when you are in the gallery mode. [...] The HDMI driver is not active any time outside the gallery," where the "gallery mode" is their included photo/video viewer.

I'm wondering how true that is...

(www .pcmag .com/article2/0,2817,2365630,00.asp ) PCMag's review stated that the youtube player and blockbuster player were not able to use the hdmi out at all.

As seen in (forum.xda-developers.com/showthread.php?t=703111 ) this thread the evo 4g, which also has hdmi out, is capable of allowing any app that uses VideoView to utilize that output, but that's supported by the phone maker.

Will that usability be true on the droid x?

Could we figure out a way to bypass any limitations Motorola includes, and maybe even send (an upscaled version of) the main screen through the hdmi (not just video but anything we could put on the phone's screen)?
2nd July 2010, 03:52 AM   |  #2  
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I was just at a motorola event and we were able to run nfl mobile through the hdmi.

Yes the tv was in an ice sculpture and yes it was connected to a droid x via the hdmi cable

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2nd July 2010, 11:20 PM   |  #3  
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That's great news, thanks for letting us know!

The more apps with handshakes to the hdmi-out we have, the better for us to get it working completely openly

The whole media-center-and-phone-in-my-pocket is just a great idea imho...

With the hdmi out we could:
  1. put any videos and pictures from any source up on your home tv
  2. connect it to the projector at work and give presentations
  3. go with a few bluetooth controllers to your friend's house and play multiplayer (even online) games on their tv with minimal cords to deal with
  4. maybe even video-chat would be possible if you set up the phone with the camera facing out in front of the tv
... ok, that last one sounds like a pretty lame way to get video-chat, but it would save on having to have a computer/monitor/webcam when you wanted to

Of course this is all far into the future stages of development on the phone, but I'd rather create buzz and excitement to build up a developer and user base
3rd July 2010, 03:59 AM   |  #4  
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Talked to a moto rep, said it might have been a beta device as licensing is what will prevent this thing from being turned on when it hits consumers hands. At least we know it can be done.

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3rd July 2010, 08:34 PM   |  #5  
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no fun, i'm not much of a C programmer, but if it's just enabling or disabling the driver, I guess it comes down to the security on the phone. If you go into root, I suppose we should be able to start the driver. The only thing I fear is if the driver is signed and only a signed application can access it, then I think we might be SOL
4th July 2010, 06:18 AM   |  #6  
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I'm not particularly worried... if we get access to enough apps that use the hdmi driver, we should be able to document enough of the method.

I believe while the hardware can reject unsigned versions of the OS (roms), most apps are self-signed (see developer. android. com/guide/publishing/app-signing.html) so that shouldn't be a problem. We just have to figure out which hoops to jump through (following the programs that use hdmi) to get it to work. They'd have to leave the hoops pretty wide open or else risk the need of updating the thing every time a new app is released that needs to get through.
Last edited by threecentsflat; 4th July 2010 at 06:23 AM.
7th July 2010, 11:19 PM   |  #7  
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This is a mixed bag here. The reason why Motorola limited the hdmi driver is likely so they didn't have to put a fps cap on the droid x like htc put on the evo.

This is pure speculation here but I would imagine the way that the evo devs are going to "truly" overcome the fps cap is to mimic the droid x behavior of toggling on and off the hdmi drivers so that the evo can access up to 60 fps.

You guys are on the other end of the boat where by default your fps won't be artificially capped, but you likely won't have full access to the hdmi drivers at first.

I think the sweet spot for both phones is finding a happy medium where we can toggle the hdmi drivers at will.
29th July 2010, 07:05 AM   |  #8  
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Any news on this? I would really like to get rockplayer and youtube working through hdmi. In fact, I would like to get the entire OS through HDMI and possibly a bluetooth keyboard and mouse working so I can use it as a little media center pc.
29th July 2010, 07:56 PM   |  #9  
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2 way control
I would lime to see this pushed to.the level of controlling the phone through an hdmi touchscreen.
29th July 2010, 08:47 PM   |  #10  
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I thought we would be able to see pandora and other apps through the hdmi...This sucks the way it is...also does anyone think the sound is terrible through the hdmi?

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