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Old 1st October 2017, 10:45   #46121  |  Link
Manni
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Originally Posted by nevcairiel View Post
VP9 10-bit decoding is not supported on the 1080. Only on the 1050 (Ti) and the 1030.
Is it supported on the 1080 Ti?
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Old 1st October 2017, 11:04   #46122  |  Link
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Ive been wondering why for a long time why when I upscale Pal DVDs 720x576 to 4K why they never quite fit the left and right side of my motorised masking when set to 4x3. Top and bottom is fine but the left and right sides are less than the masking....

Is it because the scaling is an odd amount to scale and doesnt double correctly like 1920x1080 to 3840x2160 does?
Could it be because the outer 18 pixels of a 720x576 frame aren't supposed to be seen? That's why, when converted to square pixels, a 720x576 16:9 source ends up being 1050x576. What should happen is the outer 18 pixels get cropped before the conversion, so you'd actually be stretching 702x576 to 1024x576. Obviously no media player will do this, so instead you'll often end up with small black bars at the top and bottom and, often, black bars or dodgy analogue crap at the left and right edges that are part of the original image.

Examples are below, first what you should normally see in a 16:9 frame if the file is tagged with the correct ~1.458 pixel aspect ratio, and second what you'd see with MadVR's black bar detection enabled.

Sadly, many PAL DVDs don't adhere to the standards (particularly films which are just encoded as 720x576 16:9, i.e. pixel aspect ratio of ~1.422), so it's kind of a crapshoot when deciding how to mux the videos properly when ripping them.

P.S. The same thing applies to 4:3 PAL videos: only the centre 702 "lines" are meant to be part of the image stretched to 768, so for a 720x576 original image it should be 788x576 without any cropping.
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Last edited by DragonQ; 1st October 2017 at 11:13.
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Old 1st October 2017, 11:24   #46123  |  Link
nevcairiel
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Quote:
Originally Posted by Manni View Post
Is it supported on the 1080 Ti?
Did I list that one as one of those that support it? No? Well then!
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Old 1st October 2017, 12:15   #46124  |  Link
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Originally Posted by x7007 View Post
Hi,

Need some help with 23.970 Fps movies. When watching 1080p23.970 movies the sound is a bit off.

Does enabling present a frame for every VSync helps ?

I'm using OLED TV 55C6 LG which is 4K but I change the resolution to 1080p23/24 Fps so I can enabling Real Cinema and have real 24 Fps.

But something is off with the sound

Using Potplayer x64 + LavFilters D3D11 + Madvr 0.92.4
I have the same TV.
In 24 Hz mode with real cinema enabled it has a very high amount of input lag. I have to set the audio delay in lav filters to around 90ms to get the audio in sync.
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Old 1st October 2017, 12:55   #46125  |  Link
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Originally Posted by huhn View Post
there could be a lot of reason for this.

but that's none of them


this will not change audio video sync.
the reasons for a/v sync issues came from bad encodes input lag of your screen input lag of AVRs just to name some of them.

Does LG Real Cinema effect this ?

it says Optimize display for movies.
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Old 1st October 2017, 13:44   #46126  |  Link
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What's the difference between 'crop black bars' and 'if there are big black bars'? With the second I can effectively crop the bars away. What about the first?

Inviato dal mio ASUS_Z00LD utilizzando Tapatalk
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Old 1st October 2017, 13:52   #46127  |  Link
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Quote:
Originally Posted by x7007 View Post
Hi,

Need some help with 23.970 Fps movies. When watching 1080p23.970 movies the sound is a bit off.

Does enabling present a frame for every VSync helps ?

I'm using OLED TV 55C6 LG which is 4K but I change the resolution to 1080p23/24 Fps so I can enabling Real Cinema and have real 24 Fps.

But something is off with the sound

Using Potplayer x64 + LavFilters D3D11 + Madvr 0.92.4
That is not the way to be using your OLED. If you have a good GFX card you should have the resolution set at 12bit 2160p 23 or 24 fps in windows (and madvr if your using the resolution swapping options). Have madVR set at 10bit or greater for the panel and let madVR do the upscaling for you from 1080p to 2160p. The panel will force the real cinema option on. On my E6 I have an audio delay of 100ms set on my AVR.

Last edited by Razoola; 1st October 2017 at 13:57.
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Old 1st October 2017, 13:55   #46128  |  Link
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Quote:
Originally Posted by nevcairiel View Post
Did I list that one as one of those that support it? No? Well then!
Is there a masterlist somewhere online of what HW decoders GFX cards support?
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Old 1st October 2017, 14:48   #46129  |  Link
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Not that I'm aware of. Look at product release slides, hardware reviews and the "Evaluation of HEVC decoders (SW, Hybrid and HW)" thread of this forum. You can also ask there.
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Old 1st October 2017, 15:43   #46130  |  Link
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Quote:
Originally Posted by Razoola View Post
On my E6 I have an audio delay of 100ms set on my AVR.
Shouldn't HDMI 1.3 display lag compensation (aka "Auto Lip Sync") take care of that? Or are modern TVs still too dumb to send the correct lag info to AVRs?
I've had that enabled since I got my AVR and it's working perfectly with my Panasonic GT60 (verified with a test clip with beeps synced to flashes).

Quote:
Originally Posted by Razoola View Post
Is there a masterlist somewhere online of what HW decoders GFX cards support?
Try to google image search for: "<graphics card name>" "DXVA Checker" and you should see screenshots with the list of modes supported.

EDIT:
Quote:
Originally Posted by nevcairiel View Post
Did I list that one as one of those that support it? No? Well then!
Well, whaddayaknow... DXVA VP9 Profile 2 on 1080 Ti
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Last edited by el Filou; 1st October 2017 at 15:51.
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Old 1st October 2017, 15:44   #46131  |  Link
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Anyone tried sending HDR metadata through their receiver? I have RX-1040 which has HDMI 2.0, but is said to not support HDR since it doesn't support HDCP 2.2, but madVR has no HDCP. Afaik receivers should just "passthrough" everything to the TV except the audio but does this apply to HDR metadata? I'll test it when I get home unless anyone can enlighten me .

Last edited by XTrojan; 1st October 2017 at 15:46.
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Old 1st October 2017, 16:12   #46132  |  Link
ashlar42
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Originally Posted by Razoola View Post
Is there a masterlist somewhere online of what HW decoders GFX cards support?
Usually this page provided the info you're asking but, judging from what nevcariel mentioned, it's probably incomplete.

https://en.wikipedia.org/wiki/Nvidia...n_PureVideo_HD
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Old 1st October 2017, 16:22   #46133  |  Link
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Originally Posted by ashlar42 View Post
Usually this page provided the info you're asking but, judging from what nevcariel mentioned, it's probably incomplete.

https://en.wikipedia.org/wiki/Nvidia...n_PureVideo_HD
Unfortunately NVIDIA didn't change their classification for VP9 10-bit, probably because VDPAU (which this list is based on) doesn't even support it.
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Old 1st October 2017, 16:26   #46134  |  Link
Manni
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Originally Posted by XTrojan View Post
Anyone tried sending HDR metadata through their receiver? I have RX-1040 which has HDMI 2.0, but is said to not support HDR since it doesn't support HDCP 2.2, but madVR has no HDCP. Afaik receivers should just "passthrough" everything to the TV except the audio but does this apply to HDR metadata? I'll test it when I get home unless anyone can enlighten me .
HDCP 2.2 has nothing to do with HDR and isn't needed, especially from MadVR.

What's needed for HDR10 is HDMI 2.0a (or HDMI 2.0b, but HDMI 2.0 isn't enough), and no, all AVRs don't pass through BT2020/HDR info. For example, I had to get rid of my X5200W because it wouldn't pass through BT2020 content. I replaced it with a X7200WA which does, but doesn't pass through Dolby Vision until it gets a f/w update in the next few months.

Of course you can always ask MadVR to convert HDR to SDR (which it does very well), and then any AVR/display will work.
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Old 1st October 2017, 16:28   #46135  |  Link
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Originally Posted by nevcairiel View Post
Unfortunately NVIDIA didn't change their classification for VP9 10-bit, probably because VDPAU (which this list is based on) doesn't even support it.
And it probably won't ever, since Nvidia deprecated it.
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Old 1st October 2017, 18:00   #46136  |  Link
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Originally Posted by Manni View Post
HDCP 2.2 has nothing to do with HDR and isn't needed, especially from MadVR.

What's needed for HDR10 is HDMI 2.0a (or HDMI 2.0b, but HDMI 2.0 isn't enough), and no, all AVRs don't pass through BT2020/HDR info. For example, I had to get rid of my X5200W because it wouldn't pass through BT2020 content. I replaced it with a X7200WA which does, but doesn't pass through Dolby Vision until it gets a f/w update in the next few months.

Of course you can always ask MadVR to convert HDR to SDR (which it does very well), and then any AVR/display will work.
So the better idea is then to connect to the TV directly and then send the audio to the receiver via ARC? unfortunately this means no DTS-HD or TrueHD . Would it be possible to decode TrueHD and then send it via ARC or is the bandwidth not enough via ARC?

Edit: ARC equals S/PDIF, well that sucks, is the only option then buying a soundcard to the PC or buying a new receiver?

Last edited by XTrojan; 1st October 2017 at 18:08.
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Old 1st October 2017, 18:12   #46137  |  Link
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HDCP 2.2 has nothing to do with HDR and isn't needed, especially from MadVR.

What's needed for HDR10 is HDMI 2.0a (or HDMI 2.0b, but HDMI 2.0 isn't enough), and no, all AVRs don't pass through BT2020/HDR info. For example, I had to get rid of my X5200W because it wouldn't pass through BT2020 content. I replaced it with a X7200WA which does, but doesn't pass through Dolby Vision until it gets a f/w update in the next few months.

Of course you can always ask MadVR to convert HDR to SDR (which it does very well), and then any AVR/display will work.
Hmm, forgot about that. My AVR does do UHD passthrough but I doubt it'd pass HDR data through. So when I get a UHD HDR TV I'll have to upgrade both my AVR and my GPU. >_>
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Old 1st October 2017, 18:29   #46138  |  Link
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So the better idea is then to connect to the TV directly and then send the audio to the receiver via ARC? unfortunately this means no DTS-HD or TrueHD . Would it be possible to decode TrueHD and then send it via ARC or is the bandwidth not enough via ARC?

Edit: ARC equals S/PDIF, well that sucks, is the only option then buying a soundcard to the PC or buying a new receiver?
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Hmm, forgot about that. My AVR does do UHD passthrough but I doubt it'd pass HDR data through. So when I get a UHD HDR TV I'll have to upgrade both my AVR and my GPU. >_>
Or use MadVR's HDR to SDR conversion which is excellent and save on gear.

For me, upgrading the AVR made sense because my source is aa UB900 until we can rip our UHD Blurays.

But if you plan to use a HTPC as a source, there are few reasons to upgrade anything in between.

You have to realise that "HDR" only means applying the correct gamut/gamma. Ultimately, HDR displays convert to SDR. So asking MadVR to convert to SDR and send SDR to the display through the AVR is very similar. Sometimes, you can get more control with the calibration in the display, but MadVR does a great job especially if you're not a HDR calibration expert.
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Old 1st October 2017, 18:34   #46139  |  Link
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Ultimately, HDR displays convert to SDR. So asking MadVR to convert to SDR and send SDR to the display through the AVR is very similar.
But the display tone-maps to what it can really display, while madVR tone-maps to sRGB, right?
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Old 1st October 2017, 18:35   #46140  |  Link
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no depends on your settings.
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