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Miracast?



 
 
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  #16  
Old February 10th 19, 10:09 PM posted to alt.comp.os.windows-10
Peter Jason
external usenet poster
 
Posts: 2,310
Default Miracast?

On Sun, 10 Feb 2019 15:46:21 -0500, Paul
wrote:

Peter Jason wrote:
On Sat, 09 Feb 2019 00:40:43 -0500, Paul
wrote:

Peter Jason wrote:
On Tue, 05 Feb 2019 22:43:08 -0500, Paul
wrote:

Peter Jason wrote:
I'm trying to get devices paired to my main
computer, but I get the following......

"The device does'nt support Miracast, so you can't
project to it wirelessly. Version: 10.0.17763.1
(Beta Release)"

Does the computer need another driver?
https://www.tenforums.com/tutorials/...ows-10-pc.html

Miracast requirements:

* Graphics driver must support Windows Display Driver Model
(WDDM) 1.3 with Miracast support

* Wi-Fi driver must support Network Driver Interface Specification
(NDIS) 6.30 and Wi-Fi Direct === shoots direct from src PC to dest TV [WiDi]

* Windows 8.1 or Windows 10

OPTION ONE

Check Miracast Support on Windows 10 PC
To check if Windows 10 PC supports Miracast using Connect app

1. Open the Connect app.

OPTION TWO

Check Miracast Support on Windows 10 PC
To check if Windows 10 PC supports Miracast using DXDIAG

1) Start : Run : dxdiag
2) Save as dxdiag.txt
3) Notepad dxdiag.txt, "Miracast: Available with HDCP"

The HDCP means the image is encrypted in transit to the TV,
to prevent "pirating".

https://www.tenforums.com/tutorials/...dows-10-a.html

Paul
I fixed it by buying a Bluetooth "Dongle" and
plugging in to a USB socket,

The TV should have been sending a signal that
Windows can see, via Wifi. The Bluetooth should not
have been absolutely essential. Once the TV is set to
Miracast as a "source", its Wifi interface should switch
modes in response (and beacon for a Miracast source).

What driver are you using for the GTX 1050 ? The driver
I'm using (at least 417) has conflicting support like yours
showed. I have a Bluetooth dongle I can plug in, to make
Windows happy, so I suppose I could rerun DXDiag and get another
DXDiag.txt. OK, I plugged in my Bluetooth and the status
is still the same.

------------------
System Information
------------------
Miracast: Available, with HDCP

---------------
Display Devices
---------------
Miracast: Not Supported

Windows is (apparently) supposed to support Miracast
Source or Miracast Sink, but I don't necessarily have
enough materials to test. It might mean I don't need
a TV set to test it. I'd need a Wifi card for the desktop
to test. In release 1607, it got Miracast Sink capability.

https://www.laptopmag.com/articles/t...irelss-display

The GTX 1050 has one NVenc block onboard, which means
that if the software wanted to, it has an H.264 encoding
device that can run at 330 FPS or so. Which should be
sufficient to give Miracast encoding with less CPU than
you would normally expect. You can fire up Task Manager
in Windows 10, and if your WDDM driver is recent enough, there
should be an "activity pane" for the GPU, and in there you can
check and see if NVEnc is being used for Miracast transmission.

So if it's running, what's the quality like ? Run any movies
across it ? That would be the acid test.

Paul


Thanks Paul, the dongle works OK for my needs (no
TV at this stage) but it's rater slow. I should
have bought the expensive one ($40) instead of the
cheap $14 one.
Anyway my TV is over 12 years old and has no
provision for miracast which I thought was
necessary for Bluetooth. I've filed all this for
when I upgrade my TV soon.


If you have two well-equipped desktops with Wifi
cards in them, you can always try Miracast Sink on
one of them, then go over to the other PC and
try Miracast Source.

It's a long shot, but who knows, it might work at
some level.

I'm only mentioning that, because an article
claimed both modes were available. I don't
see a practical reason to use it, other than to
"prove out" the hardware paths as being viable.

I don't have a second PC "gnarly" enough to use.
I only have one "supported" video card in the
house now, purchased at the end of 2018. Previously,
no video card was still in support.

And the GTX1050 is as low as you want to go.
The GT1030 is too low end for me to recommend
to any prospective upgrader. With the GTX1050, even
if not gaming, you get NVenc, and it could be used
to compress H.264 for Miracast usage. The GT1030 is
a "crap trap", an unnecessary offering on the market.

Paul


Mt GTX1050 is working OK. Lucky the computer shop
was out of stock of the GTX1030s when I had to
replace my old video card.
Ads
  #17  
Old February 10th 19, 10:34 PM posted to alt.comp.os.windows-10
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Miracast?

Peter Jason wrote:


Mt GTX1050 is working OK. Lucky the computer shop
was out of stock of the GTX1030s when I had to
replace my old video card.


Ouch! Dodged a bullet :-)

Paul
  #18  
Old February 11th 19, 08:51 AM posted to alt.comp.os.windows-10
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Miracast?

Peter Jason wrote:
On Sat, 09 Feb 2019 00:40:43 -0500, Paul
wrote:

Peter Jason wrote:
On Tue, 05 Feb 2019 22:43:08 -0500, Paul
wrote:

Peter Jason wrote:
I'm trying to get devices paired to my main
computer, but I get the following......

"The device does'nt support Miracast, so you can't
project to it wirelessly. Version: 10.0.17763.1
(Beta Release)"

Does the computer need another driver?
https://www.tenforums.com/tutorials/...ows-10-pc.html

Miracast requirements:

* Graphics driver must support Windows Display Driver Model
(WDDM) 1.3 with Miracast support

* Wi-Fi driver must support Network Driver Interface Specification
(NDIS) 6.30 and Wi-Fi Direct === shoots direct from src PC to dest TV [WiDi]

* Windows 8.1 or Windows 10

OPTION ONE

Check Miracast Support on Windows 10 PC
To check if Windows 10 PC supports Miracast using Connect app

1. Open the Connect app.

OPTION TWO

Check Miracast Support on Windows 10 PC
To check if Windows 10 PC supports Miracast using DXDIAG

1) Start : Run : dxdiag
2) Save as dxdiag.txt
3) Notepad dxdiag.txt, "Miracast: Available with HDCP"

The HDCP means the image is encrypted in transit to the TV,
to prevent "pirating".

https://www.tenforums.com/tutorials/...dows-10-a.html

Paul
I fixed it by buying a Bluetooth "Dongle" and
plugging in to a USB socket,

The TV should have been sending a signal that
Windows can see, via Wifi. The Bluetooth should not
have been absolutely essential. Once the TV is set to
Miracast as a "source", its Wifi interface should switch
modes in response (and beacon for a Miracast source).

What driver are you using for the GTX 1050 ? The driver
I'm using (at least 417) has conflicting support like yours
showed. I have a Bluetooth dongle I can plug in, to make
Windows happy, so I suppose I could rerun DXDiag and get another
DXDiag.txt. OK, I plugged in my Bluetooth and the status
is still the same.

------------------
System Information
------------------
Miracast: Available, with HDCP

---------------
Display Devices
---------------
Miracast: Not Supported

Windows is (apparently) supposed to support Miracast
Source or Miracast Sink, but I don't necessarily have
enough materials to test. It might mean I don't need
a TV set to test it. I'd need a Wifi card for the desktop
to test. In release 1607, it got Miracast Sink capability.

https://www.laptopmag.com/articles/t...irelss-display

The GTX 1050 has one NVenc block onboard, which means
that if the software wanted to, it has an H.264 encoding
device that can run at 330 FPS or so. Which should be
sufficient to give Miracast encoding with less CPU than
you would normally expect. You can fire up Task Manager
in Windows 10, and if your WDDM driver is recent enough, there
should be an "activity pane" for the GPU, and in there you can
check and see if NVEnc is being used for Miracast transmission.

So if it's running, what's the quality like ? Run any movies
across it ? That would be the acid test.

Paul


Thanks Paul, the dongle works OK for my needs (no
TV at this stage) but it's rater slow. I should
have bought the expensive one ($40) instead of the
cheap $14 one.
Anyway my TV is over 12 years old and has no
provision for miracast which I thought was
necessary for Bluetooth. I've filed all this for
when I upgrade my TV soon.


There is a Miracast Receiver you can buy and attach
to a TV set. But it's too expensive. It might be 1920x1080.
(I think there's a ChromeCast from Google that is 4K by
comparison.)

Microsoft Wireless Display Adapter

https://www.microsoft.com/accessorie...kit-highlights

It should really be down in the "RPi Zero" price range.

Paul
  #19  
Old February 11th 19, 09:32 AM posted to alt.comp.os.windows-10
Andy Burns[_6_]
external usenet poster
 
Posts: 1,318
Default Miracast?

Paul wrote:

If you have two well-equipped desktops with Wifi
cards in them, you can always try Miracast Sink on
one of them, then go over to the other PC and
try Miracast Source.

It's a long shot, but who knows, it might work at
some level.


While I have succeeded in "projecting" an Android tablet and a Win10
laptop to a Samsung TV, I've failed to project from the tablet to the
laptop.

Actually it was my previous laptop that worked to the TV, this one goes
through the motions but the TV-end eventually craps out.
 




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