Windows 7 platform update for HTPC users

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freitasm

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#114668 27-Feb-2013 07:45

Microsoft has released a platform update that improves H.264 decoding:

This article describes a platform update for Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1. This update improves the features and performance of the following components:
Direct2D
DirectWrite
Direct3D
Windows Imaging Component (WIC)
Windows Advanced Rasterization Platform (WARP)
Windows Animation Manager (WAM)
XPS Document API
H.264 Video Decoder
JPEG XR codec

This is available via Windows Update or download in the link above.

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davidcole

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#770861 27-Feb-2013 08:18

Oh....do we know if it breaks anything?

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freitasm

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#770870 27-Feb-2013 08:28

Installed this morning and my HTPC still plays TV3...

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davidcole

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#770873 27-Feb-2013 08:37

freitasm: Installed this morning and my HTPC still plays TV3...

I might wait for a bit, since I use NextPVR rather than WMC - to make sure directshow etc isn't busted.

davidcole

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#771008 27-Feb-2013 12:12

I have heard this

"seems to break vmr7 for me, [no picture anymore] and makes vmr9 [not custom or fse] mess up aspect ratio and video doesn't completely fill screen.."

So MediaPortal/NextPVR users may experience issues - or it could have been this one users problem

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#775557 6-Mar-2013 11:04

"seems to break vmr7 for me, [no picture anymore] and makes vmr9 [not custom or fse] mess up aspect ratio and video doesn't completely fill screen.."

You shouldn't be using VMR7/9 in Windows 7/8 because
1. It breaks hardware acceleration
2. It gives inferior picture quality vs EVR (actual difference may not be noticeable)

For XP, it is fine to use VMR7/9 as it is required for hardware acceleration

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JonnyCam

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#776985 8-Mar-2013 16:31

Users are also reporting no video for h264,

I installed this update and as you report the Microsoft H264 decoder no longer works.

This is for nextpvr which uses directshow.

freitasm

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#777033 8-Mar-2013 18:02

Using Media Center with HDHomerun and all working fine. Also playing some H.264 content from other sources and no problems.

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davidcole

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#777065 8-Mar-2013 19:57

Yeah WMC I'd imagine is fine. Just external programs that use directshow that seems to be busted.

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