madVR - high quality video renderer (GPU assisted)

[Razoola]

Originally Posted by dansrfe

Personally speaking madVR is so smooth already I really don't know how much smoother it can get with using anything else. I think Reclock is sort of outdated as of now.

I would love to take reclock out of my video playback setup but its just not possible to do so and get zero dropped / repeated frames. Im fine for 25fps and 30fps material but 23.976 and 29.970 is the problem which reclock solves given I cannot get exact multiples of these framerates on my panels.

The closest I can get to 23.976 is 24hz and 59hz for 29.970 so without reclock frame problems occure due to madVR needing to do frame rate manipulation to keep sync with audio.

Now if madshi were to add routines to madVR which would hold off on frame drops/repeats until it was done in a place which would almost hide the drop or repeat this would be another matter entirely. I think this has been brought up in the past already but the basic idea is to only allow the frame drop or repeat during a non panning scene or better still during the black screen in a camera or scene change.

[Razoola]

I also have a problem to report with exclusive mode though I am not sure if there is anything that can be done to solve this. I have the nvidia 3D glasses and on my computer panel I use a 120hz refresh rate. When using this refresh rate in fullscreen exclusive mode it causes the nvidia 3D software to kick into 3D mode. There is nowhere in the driver setting to disable this on set programs and the only solution is to disable 3D vision I have found.

[janos666]

@dansrfe

Why do you need to resize with ffdshow?

You can find some resize options in MPC-HC. You can manually select an aspect ratio, or decide if the picture should touch the display borders from in- or outside. FFDShow and madVR can handle the anamorphic aspect ratios as well if you set your FFDShow output settings correctly (send pixel AR info).

[bur]

Does anyone have any idea regarding the subtitle problem I have?

Posting

[namaiki]

Originally Posted by bur

Does anyone have any idea regarding the subtitle problem I have?

Posting

This really has nothing to do with madVR. Perhaps try install a codec pack like... CCCP. Should have support for ASS/SRT and Vobsubs.

Originally Posted by dansrfe

I understand that you do not allow RGB32 input but if the video were to be properly converted to RGB32 using HQ and Dithering

Originally Posted by madshi

Now if you look at the ATI VMR9 and Haali Renderer result, you do see some kind of pattern. It doesn't look that bad on the screenshot, but in motion it's really ugly, because the pattern changes with every frame. The ffdshow result is even worse. The madVR result is exactly how the test pattern is supposed to look. It also stays stable in motion. The patterns in the color gradiants are caused either by too low processing bitdepth or by rounding or truncating the final processing result down to 8bit. The madVR output is only that smooth because it uses proper dithering.

I have observed this same changing pattern that FFDShow video's HQ conversion to RGB32 + Dither produces. It's annoying. Just change your subtitles to be less susceptible to artifacts from scaling. On the other hand, I however wouldn't mind being able to manually select BT.601 or BT.709 for some of my rips which I downscaled from 720p down to 480p and for some reason they look really tinted orange (could really be caused by a lot of things).

[bur]

Originally Posted by namaiki

This really has nothing to do with madVR. Perhaps try install a codec pack like... CCCP. Should have support for ASS/SRT and Vobsubs.

You sure it has nothing to do with MadVR? EVR and VMR display the subtitles just fine.

What's strange is that I have another MKV with internal subs and those work with MadVR.

So maybe the problem is the subtitle format. The not-working MKV has VobSub subtitles, the working one uses ASS.

[namaiki]

Originally Posted by bur

The not-working MKV has VobSub subtitles, the working one uses ASS.

I've had DVD VobSubs (yellow and black text) working fine with madVR using VSFilter, at the very least.

[leeperry]

Originally Posted by namaiki

I however wouldn't mind being able to manually select BT.601 or BT.709 for some of my rips which I downscaled from 720p down to 480p and for some reason they look really tinted orange

you may have wanted to transcode them from 709 to 601 to make them compliant in the first place:

ColorMatrix(mode="Rec.709->Rec.601",clamp=0,opt=0)

You can always use it in ffdshow in realtime, or upscale it to HD and it'll be decoded as 709...or make a LUT to convert from 709 to 601(more accurate than ColorMatrix).

[dansrfe]

@ madshi

At the minimum I think my main problem would be solved if there was an option to select BT.601 or BT.709 in madVR manually and preferably with some kind of hotkey association facility. Also like in EVR-CP can you add the feature in madVR to display what option has been selected for a split second in the upper right corner and for movie related stuff such as chapters, duration, etc. to be displayed in the upper left corner.

Also I had another idea. Is there a way you can add the feature for madVR to somehow connect to ffdshow to find out the input video's resolution coming into ffdshow? That would solve the problem of resizing to 1080p in ffdshow's AviSynth tab and consequently madVR determining the wrong colorimetry to use.

Edit: btw, I should have asked this before, how does madVR determine the colorimetery in the first place?

[namaiki]

Originally Posted by leeperry

you may have wanted to transcode them from 709 to 601 to make them compliant in the first place:

ColorMatrix(mode="Rec.709->Rec.601",clamp=0,opt=0)

You can always use it in ffdshow, or upscale it to HD and it'll be decoded as 709...or make a LUT to convert from 709 to 601(more accurate than ColorMatrix).

I'm really not that smart, and I don't want to re-encode/transcode those, but from what you are telling me, it seems that I should be able to do it on the fly.

Anyways, I'll try that when I get back home from work. (Just about to go out! :/)

[dansrfe]

Never mind about the 1080p resizing in avisynth. madVR's resizing set to spline 3 taps gives me an excellent result which I'm very happy with. Now off to figuring out how to get proper placement and 1920 x 1080 resolution for subtitles through ffdshow.

[XPC]

Madshi,

I have been testing MAdvr renderer for DVB-t live TV using MPC-HC and the results are really great. I just wanted to let you know some issues that I noticed:

1- When switching channels, at some point the mpc-hc hangs after rendering audio of the new channel for few seconds while the last frame of the previous channel frozen. I get this in two different machines, the first one only when switching between different types of stream (MPEG-2 to h.264 and then switching back to MPEG-2) while the other (an i7 machine with GTs260 card on W7 64 bits) happens even just switching only between MPEG-2 channels (usually at the second or third switch). Could you please take a look to the logs so we can diagnose what is happening?

2- AR and resolution: when the connection between the Demux and the decoder is established, the information on AR and resolution is taken initially from the container to allow the connection. AR dinamically changes for each program and resolution could also be changed when switching channels. This information is taken from the contents by the decoder (some decoders better than others...). Madvr currently takes the initial information and does not allow any changes in AR dinamically like EVR-CP does. Do you think that this could be addressed in the future?

3- When opendevice, from time to time I get no image. Taking a look into the log files, I saw that this happens when, for any reason, two instances of Madvr are opened at the same time. I know that you have this in your to-do list, but I think the problem is more on the mpc-hc side and fixing MadvR just hides the real problem. This is something that was addressed sometime ago in mpc-hc but from time to time fails. I don't think you should do anything about this, but I believe this could happen not only for DVB-t but also when playing any files or DVDs with MPC-HC, so you just need to be aware.

You will find attached some logs here: http://www.mediafire.com/download.php?9t42004445lm9oj

Thanks!
XPC

[Darth Viorel]

Originally Posted by dansrfe

Never mind about the 1080p resizing in avisynth. madVR's resizing set to spline 3 taps gives me an excellent result which I'm very happy with. Now off to figuring out how to get proper placement and 1920 x 1080 resolution for subtitles through ffdshow.

You can change the aspect ratio to 16:9 in ffdshow by adding black borders. Then the subtitles can be placed wherever you want.

[dansrfe]

Yes the placement issue can be solved but the subtitle resolution problem cannot be solved unless and until I resize to 1920 x 1080 inside ffdshow before subtitle processing in ffdshow.

[bur]

Originally Posted by namaiki

I've had DVD VobSubs (yellow and black text) working fine with madVR using VSFilter, at the very least.

Is VSFilter needed to play VobSubs with MadVR? If so, this will be the problem because I don't have VSFilter installed.

So is it a known problem that MadVR can't render VobSub without VSFilter? I never heard that before.

[namaiki]

Originally Posted by bur

So is it a known problem that MadVR can't render VobSub without VSFilter? I never heard that before.

No, madVR works fine with the FFDShow Video subtitle renderer as well. Make sure that you have your stuff set up correctly, for instance make sure that FFDShow Video Decoder will only output in YV12.

I have, however, found that VSFilter/DirectVobSub produces nicer looking subtitles than FFDShow Video's internal subtitle renderer. IMO VSFilter's subtitles look less blurry/less shifting of colours.

[Mark_A_W]

VSFilter/DirectVobSub produces identical subs to the original Bluray. So just watch bluray conversions

[namaiki]

http://img251.imageshack.us/img251/6136/vsfilter.png
http://img801.imageshack.us/img801/50/ffdshow.png

Similar, but not the same. I don't know which one is producing 'technically' correct output.

The 'u' in 'yourself' has a bit of blur on it's right edge in the FFDShow Video decoder output compared to VSFilter's.

[leeperry]

Originally Posted by namaiki

The 'u' in 'yourself' has a bit of blur on it's right edge in the FFDShow Video decoder output compared to VSFilter's.

when outputting YV12, ffdshow blurs the subs and darkens them... that's just the way it is.

[SantinoSan]

I thought madVR could not render subs...how are you guys getting subs to show?