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Old 27th April 2012, 09:36   #1141  |  Link
egur
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Quote:
Originally Posted by NikosD View Post
I change my system usually every three years and I'm sure that in the next few months we'll have:

1) M/Bs with Thunderbolt

2) OpenGL 4.x drivers

3) Hyper-V supporting VT-d.

I don't know for sure if I'll wait for Ivy or for Haswell.

I'm good enough with Core2Duo right now.
What do you plan to do with this system? What's your budget?
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Old 27th April 2012, 10:04   #1142  |  Link
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I started to plan my next system as a "no-limits" machine, with only logical restrictions, but even without discrete graphics card the total cost went to 1100€ !

I don't want something less, but I was a little disappointed when I saw that clock for clock Ivy is about 5% faster on average than Sandy in CPU only.

GPU graphics is theoritically faster in synthetic benchmarks 2x, but in games is about 50% (from 20% to 80%)

QuickSync 2.0 seems to be 50% faster in transcoding than QS 1.0.

I'm still waiting for H.264 benchmarks in decoding only, from you or Hendrik.

I don't have that money right now, so most probably I'll wait for Haswell which I will buy next year in drachmas or U.S dollars
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Last edited by NikosD; 27th April 2012 at 10:12.
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Old 28th April 2012, 10:47   #1143  |  Link
pulbitz
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APPCRASH, IntelQuickSyncDecoder.dll

sample file http://www.sendspace.com/file/k68n9h
(I don't use editing tool. Just a 5MB split.)

I tested with ffdshow QS, PotPlayer QS. (libav, DXVA is OK.)
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Old 28th April 2012, 13:21   #1144  |  Link
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Quote:
Originally Posted by pulbitz View Post
APPCRASH, IntelQuickSyncDecoder.dll

sample file http://www.sendspace.com/file/k68n9h
(I don't use editing tool. Just a 5MB split.)

I tested with ffdshow QS, PotPlayer QS. (libav, DXVA is OK.)
Confirmed. It has a broken H264 header. I'm working on it.
Update
Actually a fourcc mismatch - it's AVC1 when it should be H264.

Update 2
Fixed - will be part of next release - after some more testing.
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Last edited by egur; 28th April 2012 at 16:21.
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Old 28th April 2012, 17:53   #1145  |  Link
egur
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New version released 0.31 beta

Version 0.31 beta is out with the following changes:
* Fixed AVC1 streams with AnnexB format.
* Fixed rare case where H264 was corrupt and reported a huge frame rate along with horribly bad time stamps (previous commit)
* Changed behavior with corrupted frames - they get discarded at the start of a stream.
* Updated H264 NALU parsing code from LAV filters.
* FFDShow rev4438

Downloads
* For the latest cutting edge FFDShow builds download my builds Intel QuickSync Decoder SourceForge home page
* FFDShow-tryout site
* LAV Splitter builds
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Old 29th April 2012, 21:40   #1146  |  Link
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w.r.t. the sandy bridge video scaler improvements detailed earlier in this thread, are these dependent on specific settings in the driver options? I'd only just returned to using Windows 7 on an HD 3000 last night, and was somewhat horrified to see almost every video "enhancement" option ticked by default, having been trained for years to disable them. Some like adaptive contrast are instantly noticeable, but others like skin tone are much more subtle. Are there agreed upon best settings?

Apologies if this has been asked before, search was unhelpful.
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Old 30th April 2012, 01:35   #1147  |  Link
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Quote:
Originally Posted by edwrap View Post
w.r.t. the sandy bridge video scaler improvements detailed earlier in this thread, are these dependent on specific settings in the driver options? I'd only just returned to using Windows 7 on an HD 3000 last night, and was somewhat horrified to see almost every video "enhancement" option ticked by default, having been trained for years to disable them. Some like adaptive contrast are instantly noticeable, but others like skin tone are much more subtle. Are there agreed upon best settings?

Apologies if this has been asked before, search was unhelpful.
Personally, I don't like skin tone correction (tends to make people's faces look pasty or wearing an overly heavy amount of makeup and often detail is lost) or contrast enhancement so I disable those, but I've found the default values for NR and sharpness to be pretty good because they aren't that aggressive, but since the "best" results are based on individual preference it's hard to choose a one-size-fits-all set.

Changes are made in real time, so it's easy to play with it and find something that you like.
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Old 30th April 2012, 11:08   #1148  |  Link
egur
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Video processing algorithms settings are subjective and should be tested by each user.
The only option exposed with respect to the scaler is how display 4:3 content on a 9:16 screen (Non Linear Adaptive Scaling). The more advanced scaler is used for video sources automatically (used mostly by EVR and probably custom renderers from CyberLink and Arcsoft).

My settings:
Some noise reduction and sharpness.
Auto contrast is off. If you're watching a movie on a poor display (e.g. laptop) you should consider switching this on as it will display dark scenes better. If you have good watching conditions, leave it off.
Standard color correction - defaults (do nothing).
Total color control - mild enhancements to RGB, even smaller enhancements to CMY. This is not a simple procamp (standard color correction) filter it will not over-saturate colors.
Skin tone enhancement - off. Recommend testing with mild settings.

The latter is very cultural based (hue and saturation of desired skin). So some users will love it and others will hate it.
Hollywood film makers hate it - it changes the directors artistic intentions (e.g. green tint in the Matrix movies). Movie makers in many cases modify the colors so the movie will not appear too real. This causes the viewers to immerse in the film and not feel that they are watching a play.
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Last edited by egur; 30th April 2012 at 11:10.
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Old 3rd May 2012, 12:35   #1149  |  Link
egur
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I did some testing on IvyBridge today.
System:
* CPU: i7 class engineering sample (E0) @ 2.6GHz.
* DDR3@1333 sodimm.
* Window 7
* 2712 graphics driver
* ZoomPlayer
* CoreTemp
* LAV splitter
* Decoders: LAV 0.50.2 and my own latest ffdshow build.

Good news:
* Managed CrowdedRun (4K@50fps, ~122mbps) with 30% CPU@3.2GHz using both ffdshow and LAV. libavcodec (ffdshow) took 85% CPU@2600 (jumps to 2700).
* This clip is the worst case scenario - very high bitrate, high resolution, high frame rate - stresses all the subsytems (memory, decoder, CPU). Most 4K clips have 1/4 of the bitrate and half the frame rate.
* Other clips played fine no surprises so far.
* A transposed 720p clip (720x1280) played very well. SandyBridge's QS can't play it since the line count is >1080.

The bad news:
* The reference board used didn't have proper cooling and the CPU hit 103C (SW or QS). At these temperatures it activates throttling to cool itself down. This might explain the high CPU usage. I need to rig it with a better fan and test again.

Even with these far-from-optimal conditions the video playback was smooth.

Also, started working on adding HW video processing. Some stuff already works but some issues are too severe for a proper release
I'll commit to SVN my changes soon so Nev can start playing with it.
Added:
* Deinterlacing (half/full rate output)
* Detail filter
* Denoise filter

Not working:
* 50i sources
* Telecined sources

Didn't add procamp (Hue, Saturation, Brightness, Contrast) yet, I'll add it too (very simple to do but not so useful).

Update
Fixed the cooling solution and QS behaves the same. libavcodec now raises CPU frequency to 3.2GHz and uses all cores at 82%.
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Last edited by egur; 3rd May 2012 at 13:41.
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Old 3rd May 2012, 15:20   #1150  |  Link
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Quote:
Originally Posted by egur View Post
I did some testing on IvyBridge today.
System:
* CPU: i7 class engineering sample (E0) @ 2.6GHz.
* DDR3@1333 sodimm.
* Window 7
* 2712 graphics driver
* ZoomPlayer
* CoreTemp
* LAV splitter
* Decoders: LAV 0.50.2 and my own latest ffdshow build.

Good news:
* Managed CrowdedRun (4K@50fps, ~122mbps) with 30% CPU@3.2GHz using both ffdshow and LAV. libavcodec (ffdshow) took 85% CPU@2600 (jumps to 2700).
* This clip is the worst case scenario - very high bitrate, high resolution, high frame rate - stresses all the subsytems (memory, decoder, CPU). Most 4K clips have 1/4 of the bitrate and half the frame rate.
* Other clips played fine no surprises so far.
* A transposed 720p clip (720x1280) played very well. SandyBridge's QS can't play it since the line count is >1080.

The bad news:
* The reference board used didn't have proper cooling and the CPU hit 103C (SW or QS). At these temperatures it activates throttling to cool itself down. This might explain the high CPU usage. I need to rig it with a better fan and test again.

Even with these far-from-optimal conditions the video playback was smooth.

Also, started working on adding HW video processing. Some stuff already works but some issues are too severe for a proper release
I'll commit to SVN my changes soon so Nev can start playing with it.
Added:
* Deinterlacing (half/full rate output)
* Detail filter
* Denoise filter

Not working:
* 50i sources
* Telecined sources

Didn't add procamp (Hue, Saturation, Brightness, Contrast) yet, I'll add it too (very simple to do but not so useful).

Update
Fixed the cooling solution and QS behaves the same. libavcodec now raises CPU frequency to 3.2GHz and uses all cores at 82%.
How long will it survive 103C and how much can it cool down with throttling, is it unbreakable whatever load you put on it the throttling will always keep it safe or will it still @ least switch off , for a long time no one did the typical test anymore in the media just removing the cooler while the system is running under full load i would really like to know if this can be survived by todays Intel systems (SB,Ivy Bridge) unlimited when it's throttling down from like 103C i guess everyone remembers this http://www.youtube.com/watch?v=y39D4529FM4 http://www.youtube.com/watch?v=cAqlA9EJ4ME http://www.youtube.com/watch?v=5umDJhIfrt0 of course testing with a Game these days is not really adequate full x264 Encoding load on all cores would be the kicks
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Old 3rd May 2012, 15:24   #1151  |  Link
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Is the 2712 driver still password protected?
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Old 3rd May 2012, 15:25   #1152  |  Link
egur
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Originally Posted by CruNcher View Post
How long will it survive 103C and how much can it cool down with throttling ?
Not sure how long, at 105C it would shut off so it wouldn't burn so this was close.
Throttling is lowering frequency for a certain amount of time, this happens above 100C if I remember correctly.
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Old 4th May 2012, 07:04   #1153  |  Link
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Eric, do you indirectly confirm that stock Intel coolers are useless and crappy then?
103 under 85% load is pretty damn bad. Or don't tell me it was under 30%, that would be too bad.
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Old 4th May 2012, 07:12   #1154  |  Link
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Quote:
Originally Posted by egur View Post

Good news:
* Managed CrowdedRun (4K@50fps, ~122mbps) with 30% CPU@3.2GHz using both ffdshow and LAV. libavcodec (ffdshow) took 85% CPU@2600 (jumps to 2700).
* This clip is the worst case scenario - very high bitrate, high resolution, high frame rate - stresses all the subsytems (memory, decoder, CPU). Most 4K clips have 1/4 of the bitrate and half the frame rate.
Eric,

the clip you mention is a "medium" one.
Not at all worst case scenario.

Please try:
http://xhmikosr.1f0.de/samples/2160p...x264.CRF24.mkv

It has twice the bit rate of the sample you tested at the same frame rate and resolution.

Of course there are some even worst case scenarios

Also it could be useful to test native DXVA LAV quicksync decoder, removing the restriction of 1080p

Thanks
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Old 4th May 2012, 07:19   #1155  |  Link
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http://xhmikosr.1f0.de/samples/2160p...x264.CRF24.mkv
This clip is the worst case scenario.
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Old 4th May 2012, 09:33   #1156  |  Link
egur
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Originally Posted by Octo-puss View Post
Eric, do you indirectly confirm that stock Intel coolers are useless and crappy then?
103 under 85% load is pretty damn bad. Or don't tell me it was under 30%, that would be too bad.
It was a rather expensive TEC cooler - this is lab equipment not consumer stuff. The fan had a poor contact with the CPU because of old thermal paste and polymer surface.

I actually like the Intel coolers - they are very quiet and cost nothing.
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Old 4th May 2012, 15:49   #1157  |  Link
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The good stuff must be only on new CPUs then. Im sure my wife's Core i3 BOX cooler is worse than anything on this planet :P
I'd be interested in temperature with fixed cooling. Can you possibly try again when you have some extra time?
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Old 4th May 2012, 16:34   #1158  |  Link
egur
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Originally Posted by Octo-puss View Post
The good stuff must be only on new CPUs then. Im sure my wife's Core i3 BOX cooler is worse than anything on this planet :P
I'd be interested in temperature with fixed cooling. Can you possibly try again when you have some extra time?
I'll try the other clips on Sunday.
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Old 4th May 2012, 19:39   #1159  |  Link
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Exclusive Full Screen Worked Fine.

Good News. I finally be able to test the exclusive Full Screen with QS, LAV splitter, and LAV 0.50.2 on Windows 7 64-bit, it worked fine now.
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Old 5th May 2012, 03:20   #1160  |  Link
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http://software.intel.com/en-us/arti...ols-media-sdk/

http://registrationcenter-download.i...3.0.015_R2.zip

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