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Latest HD 4000 drivers cannot be used for live TV (HD)

RMitr1
New Contributor I
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HI,

I'm trying to evaluate the latest HD4000 processors for HTPC use.

Before deciding I decided to test the HTPC typical capabilities on my desktop with a new i7 3770 in an Asus P8Z77-V and ddr3-1600 memory.

I am testing using Windows 7 x64, mainly Media center (but sometimes also media player)

As it turns out, I have heavy corruption on start of any HD video. The corruption lasts for anything between 20s to 2min, before it stabilizes. This happens any time I switch channels on live TV (from an SD to HD channel, or switching between different HD (720p, 1080i)) channels. I also found this behaviour when trying to play back recorded TV of that type, and again when I resize the media playback window. I have of course verified, that the appropriate channels or content other wise play fine on my older systems, including a DG45ID+C5200, a DH57DD+i3-540, a DQ57TM+i5-660 and a DZ68DB+i7-2600k, each running win7 x64.

I have tried drivers from OEM site, which currently is v 2596, and generic drivers 2696 and the latest 2761. All show the same behaviour.

The release note of the latest generic driver contain the known issue:

KNOWN ISSUES IN DRIVER VERSION 2761

VIDEO PLAYBACK

 Windows Media Player* application: Corruption may be seen in video playback after changing the display resolution.

Is this what I'm seeing?

If yes, are there any hopes this is going to be fixed?

Needless to say, this behaviour effectively prohibits the use of Ivy Bridge in HTPCs then.

Thx

Update Oct 24. Driver Version 2867 -- no fix

Update Nov. 2 Driver Version 2875 -- no fix

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idata
Employee
2,231 Views

Hello,

I can confirm the same happening on an i5-3570K (HD 4000) in an Asus P8Z77-M. And I'm also using Windows 7 64 bit, and Windows Media Center for Live TV and recordings. It happens on a few of the HD channels. The moving parts of the picure show heavy corruption for about 40 seconds and then it stabilizes. When I skip back in the time shift buffer, the corruption starts again and stabilizes after 40 seconds.

The problem still exists with driver version 2761.

Is this issue currently under attention?

Regards

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idata
Employee
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I do not see it here. I have Asus P8Z77-V Premium, i7 3770K with W7 Ultimate x64 and using Ceton InfiniTV4 watching LiveTV and Recorded TV all are absolutely perfect here. Also, I am using TMT5 for BD playback and also without any problem.

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RMitr1
New Contributor I
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Let's try to narrow it down:

I currently have installed the generic x64 driver 2761 from intel downloadcenter. The issue happens when switching from SD to HD (720p50 or 1080i50. I'm living in 50Hz land, i.e. outside US).

It also happens when watching a HD video in full screen and then switching to windowed mode of media center.

All this without any additional codecs, just stock Windows (up to date). Especially not TMT or anything else to watch BDs (that will come later, after verifying the basics). TMT does install it's codescs, I'm just not aware that get used for life tv playback esp. in WMC.

Can someone from Intel comment on the 'known issue' in the release note, if it matches this symptom?

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idata
Employee
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Hi all,

No solutions in this post, just more problems. I have the following specs:

MOBO: GA-Z77X-D3H (Gigabyte)

CPU: Intel Core 7 i3770k (Intel HD 4000)

TUNER: Ceton InfiniTV 4 PCIe

OS: Windows 7 x64 SP1

I have similar issues with both Live TV and Recorded TV in Media Center and Windows Media Player. Some recordings have the initial corrupted frames for a few seconds before stabilizing, as you mentioned. Visually to me it looks like macroblocking and pixelation. But even after it stabilizes I have "tearing" between between screen or camera transitions, some stuttering, and flickering in the back ground.

Some streams (live and recorded) play back flawlessly. Additionally, these problematic recordings play back flawlessly on my other HTPC (a Core 2 Duo build w/ Geforce 9400).

I am assuming this is Intel's flavor of the 29/59 bug, well written about on the web. Unfortunately, most literature discusses this issue as it pertains to various ATI and Nvidia graphics cards. I have found no information about how to deal with this issue w/ this brand new i7 setup. The reason I feel this is the 29/59 bug is because I spent a month trying to resolve it on my Nvidia based PC, and did so successfully. That is why I think it plays back fine on that HTPC.

I don't know anything for sure about the known issue. However, the wording may be a little misleading. For instance, I know my playback resolution is not changing (fixed at 720p). But the resolution of the incoming media stream is probably changing (between interlaced and progressive). That condition IS what triggers the 29/59 bug.

Sorry for the long post. This is the first forum posting that seemed similar to what I am seeing, so I dumped all the info I could think of.

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RMitr1
New Contributor I
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@mmesa09

I think that's something else. My corruption is not just for a few seconds, it's more like 2 mins.

And yes, it happens any time you change 'the resolution', which can be a switch from SD to HD, or from HD 720p to HD 1080i, or if you resize the playback window.

BTW, I'm currently not talking about the 29/59 issue, since all my (current) content is either 25p, 50p or 50i and my screen refresh rate is fixed to either 60(when using a desktop) or 50 (when using the TV).

The issue isn't there with an ATI Card, nor is it there if I use any older intel system, e.g. a dg45ID. It is purely IB related.

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idata
Employee
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@yamcenutzer

I'm also using a clean Win7 install without codecs, just Media Center for Live TV. Because I have a different digital TV provider I think we see slightly different symptoms. Most of my HD channels are OK, only some show the video corruption and then it lasts 40 seconds. But still basically the same problem I guess. First we see corrupted video, and after quite some time the channel is displayed correctly.

Can you confirm that corruption is seen in moving parts of the picture? Static parts are OK.

Can you also confirm than the corruption starts again after rewind / fast forward / skip back / skip forward?

When pressing pause and then play again, the picture stays OK.

I have tested on Intel Graphics HD 1000 and there all TV channels are displayed flawless.

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RMitr1
New Contributor I
2,231 Views

Yes, that is the same symptom.

Skipping/rewinding and resizing the window (e.g full screen to window and back) will cause it. Also switching from e.g. an SD channel to a HD channel.

Switching between HD channels of the same type (e.g. 1080i) won't show corrunption, only switching between HD of different types: 720p to 1080i or so.

Depending on your TV provider, you might want to check if you actually have different types of HD, else just try switching from sd to hd.

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RMitr1
New Contributor I
2,231 Views

Over at the AVSforum I got a hint that this might be related to 50Hz based content, i.e.720p50 and 1080i50 are bad vs. 720p60 and 1080i60 which might be OK.

Can someone confirm/verify?

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RMitr1
New Contributor I
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-the use case is windows7sp1 x64 media center

-the corruption exists for live-tv 1080i50 content when using MS-DTV video decoder (which uses DXVA)

-same corruption when playing back this type of content

-the corruption lasts for 40s, whenever the video is started, skipped, or window resized.

-720p50 content seems OK with the driver 2761

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idata
Employee
2,231 Views

I can also confirm this problem!

1080i50 recordings and live TV with Win7x64 Media Center jitter at moving parts. Played in VNC Player they are fine.

My Hardware: Intel DH77EB Mainboard, Core i7 3770T (HD4000).

I hope this will be fixed with a driver update!

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RMitr1
New Contributor I
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How's the DH77EB otherwise? I was looking at that to upgrade my current Clarkdale based HTPC.

But I'll be waiting anyway to see if the Live tv issue get's fixed and the new I3s are available.

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idata
Employee
2,231 Views

The DH77EB is perfect (besides the 1080i jitter).

I use it with a Core i7 3770T - passively cooled with the "HFX mini Metal" case and a Digital Devices DuoFlexS2 TV card.

I read that only protected channels with 1080i (SKY, HD+) have the problem. FTA channels are fine (source: /message/71271# 71271 http://intelopenport.hosted.jivesoftware.com/message/71271# 71271).

I also read that disabling DXVA solves the problem, well, ok, its a workarround until Intel fixed the drivers (source: /message/99355# 99355 http://intelopenport.hosted.jivesoftware.com/message/99355# 99355).

Unfortunately I don't have much time to test this at the moment. But playing recorded TV shows with VLC player is fine.

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RMitr1
New Contributor I
2,231 Views

Nice to hear that the board is otherwise OK, incl. support for the DD card. Did you have to patch the FW of the DD card? I heard there were issues with their core for the 7 Series chipsets.

Anyway the other posts you refer to:

This Jitter has nothing to do with crypted or not, since the content is always decrypted by the time it reaches WMC.

The other post is the well known old ATi issue, which Intel never had, but now, months after Ati solved it, has found a new home in the IB DXVA driver. Interesting.

Might actually be that MS is using some feature of DXVA that was software emulated in earlier Intel drivers/chips. Now maybe Intel decided to actually try to do it in their new HW but are experiencing the same problems ATi had months/years ago. Let's see if they care to fix it. If not, their media series boards (the concept of which I really like) are just another waste.

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idata
Employee
2,231 Views

No, I did not update the firmware. Seems not to be necessary.

Thanx for your explainations!

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RMitr1
New Contributor I
2,231 Views

Any news on this?

Has anyone succeeded in playing live 1080i50 content using MS-DTV-Decoder (e.g. in WMC) yet?

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idata
Employee
2,231 Views

yamcenutzer,

I am using this box nothing but TV and BD/DVD viewing 1080P 50 or 60. I use Ceton InfiniTV4 via W7 WMC to watch all the HD/SD and DVD/BD contents every single day in last 3 months, it has been 99% flawlessly. The only problem I've here is some content/channel will be flickering, 2 to 3 sec, still watchable but just bother me from time to time.

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RMitr1
New Contributor I
2,231 Views

Interesting that you have 1080p TV. Are you sure about that?

I know that 1080p is OK

It's 1080i that's not working.

Thanks anyway.

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RMitr1
New Contributor I
2,231 Views

Update:

I found out that this happens when the following combination is used to process a 1080i50 file (e.g. a TV recording)

Source-file -- MS-DTV-Decoder -- EVR

This is also what WMC does, imo.

If you use a different renderer, e.g. VMR, then it seems ok,

If you use a different decoder, e.g. Lav (with or without QS, or DXVA), you can use any renderer (VMR, EVR, and probably also madVR)

Again, WMC doesn't give us a choice, and WMC can handle this kind of content on any Intel gfx starting from X4500, Clarkdale, Sandy Bridge, just not on IB.

I can only hope the next IB driver drop fixes this.

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idata
Employee
2,231 Views

Just to add to the list of confirmations, I have this issue on a i5-3570K in an Asus P8H77-I MB .

I'm having issues with playback of WTV files recorded in New Zealand. They are HD shows in H.264 format in the WTV container.

I get "tearing" of the picture around any movement on the screen. I also get heavy pixelation at the beginning of playback.

I have the 2761 driver installed.

Geoff.

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idata
Employee
1,981 Views

I can confirm this problem.

I am doing tests Windows Media Center (without additional codecs)

and the following configuration:

CPU: Intel Core i5-3570K (GPU:HD4000)

Mainbord: ASUS P8Z77-M Pro

I am seeing corrupted video content for almost 40 seconds

ONLY with 1080i content (recordings & live-TV)

(german 720p Stations look good)

First I have tested it with:

Windows 8 64bit release preview

Intel® HD Graphics WHQL Driver for Windows 8 64bit Version: 15.28.0.64.2792

Then I did tests with

Windows 7 home premium 64bit

Intel® HD Graphics Driver for Windows 7 64bit Version: 15.26.12.64.2761

It was just the same...

The Intel HD4000 definitly does not work with 1080i content - is this issue in focus on INTELs side ?

 

Or can it be a problem with the Microsoft CODECs ?

Did anyone tested this already with 3rd-party codecs ?

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