Digital Cinema Package

[Mark L. Pederson]

Offhollywood offers 4K,2K & 3D DCP mastering services.

[Wolfgang Woehl]

has anyone tested the open source dcp maker?

http://code.google.com/p/opencinematools/downloads/list

Hi Adil, I've been experimenting with this and the related tools for a while now. Be aware that "DCP Maker" is merely a frontend for openjpeg's JPEG2000 implementation (http://www.openjpeg.org/), asdcplib (http://www.cinecert.com/asdcplib/) and 3 tiny tools to write the xml for cpl, pkl, volindex and assetmap. "opencinematools" is these 3 tiny tools and the gui, basically.

It works, too. No colorspace conversion etc. though. You need to get white reference, gamma and XYZ conversion right beforehand. Which has been a bumpy road :) Plus it crawls into a corner and silently dies if some of your assets are not exactly right. So there.

My toolchain lives on a linux box and I use ImageMagick's convert to adjust size, bit-depth and colorspace (Bruce Lindbloom's http://www.brucelindbloom.com/index.html is a great resource for color stuff. RGB<->XYZ matrices on http://www.brucelindbloom.com/index....YZ_Matrix.html).

The commercial packages (Doremi etc.) play in a different league wrt stability, user-friendliness and options. Initially being appalled at their price tags (and what post-houses charge for DCP mastering) I now think it's pretty much justified. Reliability has a price. A good QC setup has a price. No-hassle delivery has a price.
But still: If you dig into it, build some contacts with your local digital theaters too, you can use opencinematools for free. No watermarking, no length-restriction. Hey, even support some starving indie who will never ever be able to afford current prices.

I've been wondering: Is DCI/DCP a good enough platform for stuff? I have a hunch that playback servers will include more and more formats. Obviously Red's Red Ray is a useful idea. People are building all kinds of playback boxes. But some say that in all of film distribution's history players sat down, smoked a pipe and said "We'll all use this now" and that's how it grew to be a global distribution business. Which is pretty remarkable, when you think about it.

Wolfgang Woehl

ps: I don't have the faintest idea how my daughter's pig puppet's name happened to become my reduser name. Would someone red to rock care to fix this? Much obliged.

[Gunleik Groven]

As to easy DCP/MMOST you can feed it with jpg2000, but then you'll need to have graded for DCP, because no color/gamma convertion will be done... according to the manual.

Wraptor works ok, but you'll need an "old" FCS installation for it to work.

http://reduser.net/forum/showthread.php?t=34776

[Pavel Klepinin]

2tina, I was very interested in your post about open cinema tools. It's a great tool for DCP, at least it works :) So, we could use it for making 3D DCP. And it worked, but without any right color. I think it was the RGB->XYZ problem. Tools we used to make tiff files couldn't make real colorspace translation. Could you please show us the right way on this "bumpy road" :). Another words could you tell me the options you used for ImageMagick conversion ("I use ImageMagick's convert to adjust size, bit-depth and colorspace")?

[Wolfgang Woehl]

Hi Pavel, a bash one-liner I'm using to convert sRGB tiffs to XYZ, drop the original's alpha channel, scale and set bit depth to 12:

for f in *tif; do
convert $f -alpha Off -resize 2048x1080 -recolor "
0.4124564 0.3575761 0.1804375
0.2126729 0.7151522 0.0721750
0.0193339 0.1191920 0.9503041" -depth 12 ../tiffs-xyz-scaled/$f;
done

Wolfgang Woehl

[Martin Weiss]

I don't have the faintest idea how my daughter's pig puppet's name happened to become my reduser name. Would someone red to rock care to fix this? Much obliged.

Just post your real name into this thread http://reduser.net/forum/showthread.php?t=32432

Grüße nach Minga!

[Wolfgang Woehl]

Martin, thanks. Und Grüße zurück. Loads of snow tonight here. Which was kind of a letdown coming back from Pandora.

[Pavel Klepinin]

2Wolfgang Woehl, Danke schön!
It works, and it works perfect. I'd also want to add that if anyone would use these tools. Never use adobe products for generating or converting tiff's. It adds specifics tags in tiff, that couldn't been recognized by other programs (e.g. image_to_j2k). Also this file image_to_j2k you should take from the original OpenJPEG200 package, the opencinematools' file contains a tiff related error (at least now 2009-12-19 version 1.1.2). Looks like we've mentioned all the rocks on this "bumpy road". Questions are welcomed. This information is based on experiments with Dolby DSS-200 server. I hope it's also right for other servers, but i don't realy know
And the first question is mine. What about generating content. We used 3D max's tiff sequence, generated by 2 cameras. But we couldn't manage flying outside effect. I mean an effect when some object is hanging in the middle of the cinema hall. Can anyone give me advice, information or, i, don't know, book, tips and tricks of stereoscopic content :)? Or if you generate live content with 2-cameras equipment (that's more probable, see forum name :) ). What equipment can i use for stereoscopic shooting on semi-pro level?

[Wolfgang Woehl]

Pavel,

Wrt Adobe/Tiffs: In general I'd say Adobe knows pretty much all there is to know about TIFF so it's quite likely openjpeg2000 that is to blame here. Which tiff tags did your image_to_j2k choke on? You can probably always use ImageMagick tools to align your files with image_to_j2k's expectations.

Wrt server compliance: Go upload a small DCP somewhere -- I can test on XDC Cinestore Solo G3 and Doremi DCP-2000. And yes, you could return the favor, no Dolby servers here :)

[Pavel Klepinin]

2Wolfgang,

Adobe/Tiff:
I made a mistake it was not an error, but а warning. But I use Windows, so i couldn't suspend this message, I had to push "ok" 2 times on every single frame!!!! For every eye!!!!
This warning is
"Unknown field with tag 700 (0x2bc) ignored" and
"Unknown field with tag 34665 (0x8769) ignored."
This warning appears on hardly every opensource graphics forum (ImageMagick, LibTiff and so on). Unfortunately i've lost the right link, but someone sad that these tags contain adobe property information, so they can't be treat by opensource or something like that.

DC Servers:
Sure, I can test your projects. Upload it. If its not very big.
As about our projects, now we have no good projects. We tested it on 2 3DMax-generated images, copied 50 times :) So, we've got 2 seconds of still stereoscopic image :) But we are going to convert our logo jingle into stereo 3D, so i will send it.