Devices > Video Cards, Monitors, Televisions, and Projectors

madVR Subtitles in 3D movies

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tij:
Vast majority of 3D movies are encoded "with left eye first" ... aka first frame is for left eye ... for these movies subtitles work perfectly

As you can guest for those encoded "with right eye first" ... subtitles dont work ... the feeling i get as if video is playing correctly "right eye first" but subtitles still get played  "with left eye first" ... looking at subtitles is painful in these cases ... if get focus on picture then subtitles are unreadable ... if get focus on subtitles (very hard for me to do unless pause video), then video is unwatchable

Currently I know Life of Pi and Bait are "with right eye first"

I dont really know which part of MC does this ... my understanding subtitles are rendered by MC ... in ROHQ video is rendered by MadVR

If MadVR is causing this ... i guess not much can be done

But if MC is doing this ... can this be look at please?

EDIT: If some ppl recall ... I suggested ppl to use Top/Bottom 3D for 4K LG TVs as there are no quality loss ... only annoying part was hitting 3D button on remote controller to get 3D working
... well if you still have 2016 LG OLED ... better alternative is to use "Line Alternative" then no need remote to start 3D :)

keep enjoying 3D while it still last

Hendrik:
The 3D-ness of subtitles is handled by madVR, MC just deals with 2D subtitles.

tij:

--- Quote from: Hendrik on March 25, 2022, 02:25:08 am ---The 3D-ness of subtitles is handled by madVR, MC just deals with 2D subtitles.

--- End quote ---

Thanks for quick response ... guess i try Doom9 forum ... not keeping my hopes high though :(

EDIT: Unless JRiver renderer implements 3D :)

tij:

--- Quote from: Hendrik on March 25, 2022, 02:25:08 am ---The 3D-ness of subtitles is handled by madVR, MC just deals with 2D subtitles.

--- End quote ---

I posted question in Doom9 forum ... however, i highly doubt madVR will get updated even if it is confirmed as a bug.

Unfortunayely, MadVR is the only solution for 3D playback on MC :(

I was able to reproduce this problem on MPC HC running MadVR with other subtitle renderers. Which pretty much point to MadVR. Another sign it is madVR, MadVR OSD exhibit same behaviour.

My understanding ... while MadVR is respinsible for "3d-ness" of subtitles ... it does not actually render them ... rather it ask Dshow subtitle renderer to do so with horizontal offset.

Is it possible for MC to detect when 3D is "right eye first" ... then when madVR request subtitle to be rendered with offest : reverse that offset (aka madVR request offsetX +5 ... subtitle renderer do it with offsetX -5)

Maybe provide option to do this?

 

Hendrik:
That's not how the subtitle rendering works, no. madVR is just handed a single 2D image, and it applies the offset for one eye itself.

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