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[Bino-list] Bino on the Big Screen


From: Wolfgang Woehl
Subject: [Bino-list] Bino on the Big Screen
Date: Sat, 15 Jun 2013 12:20:45 +0200

Hi, here's a little success story about Bino, seasoned with a couple of 
nitpicks about UI and behaviour.

At the Filmmuseum Munich we've just presented a bunch of stereoscopic rarities 
and gems, including Andreyevsky's Konzert: Semlja molodosti (1940) and Robinson 
Crusoe (1947), Roy Ward Baker's Inferno (1953), Takashi Miike's Ichimei (2011), 
Volkswagen's promotional 3D films from the 50'ies and the british Technicolor 
gem Royal Review (1953). Another highlight was Nikolai Majorov's lecture on 
soviet stereoscopic cinema history.

In addition to DCPs and 3D blurays we used Bino to screen a couple of 
stereoscopic short films when we ran into a programming glitch for one of the 
screenings. These were sourced from, don't laugh, DigiBeta pairs.

The setup was a laptop with windows 7, HDMI out to a Doremi Dimension 3D and 
then dual HD-SDI to a Christie 2K projector. The projector preset would drive a 
RealD Z screen. We used left/right eye file pairs (encoded to lightweight 
high-quality x264). Worked flawlessly and looked great.

The PAL dims > HD upscaling -- I'll assume this is OpenGL scaling? -- looks 
nice enough. We had already upscaled source, too, with better detail. But 
because all this was on short notice we were nervous enough to not try playout 
with that. Might work just as well too, though.

We had to set the laptop's display output rate to 25 Hz. The pulldown to its 
default 60 Hz introduced motion judder.

We ended up using cloned display mode. That's probably why we couldn't get the 
HDMI frame packing mode to work. We did try that, though, with extend display 
settings, which didn't work out. Hint, anyone?

We missed a setting along the lines of "Do not start playback when loading 
source". Worked around it by hitting pause and seeking back to frame 0 which 
allowed us to unpause playback from black fullscreen whenever we needed to. But 
really, imho, you never want automatic playback start unless you're alone in 
front of the screen.

By the way, seeks, at least in this scenario with separate streams, don't 
always end up at the same left/right frame. Random backs and forths always 
fixed that. But the core reason remained unknown to us.

We dearly missed a setting like "Do not leave fullscreen at the end of the 
clip". The last thing you want in cinema presentation is a monoscopic windows 
desktop torn to bits through a stereo projector preset and a Z screen. Worked 
around that with a physical shutter which would swing in.

It was great that Bino allowed us to test and prep on all 3 platforms. Our 
toolchains are mostly linux-based with some macs thrown in and the occasional 
windows pc. The multi-platform nature of Bino is a very valuable asset, indeed. 
Put a well-known, single-platform, competitor right off the list when we ran up 
to this.

All in all it was a great night for stereoscopic geeks. Happy audience and Bino 
played a crucial and big part in it. Thanks a lot.

Regards,
Wolfgang Woehl




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