Thanks again Larry, Just confirming though, this is for reading sub image DPX's. The writing is still very much unimplemented?
Cheers, Mark On 14/08/2013 6:30 PM, "Larry Gritz" <[email protected]> wrote: > Thanks for the test case. I briefly glanced at the code yesterday, and > it's structured as if it expects subimages to work in the DPX code. So > it's probably just a bug, not a case of it being written without > considering subimages at all and needs a total rewrite. I'll try to take a > quick look and see if it's something obvious, I'll let you know what I find. > > -- lg > > > On Aug 14, 2013, at 1:34 AM, Mark Boorer wrote: > > Hi Larry, > > Thanks for your quick reply and willingness to take a look. > I've attached an example file (its a test plate so no copyright issues). > It was written using an internal, quite old library, and is fine for > reading back by said library (it also seems okay in RV). I'm looking to > transition new code over to OIIO, so as I mentioned, if you don't have time > to tinker with it, I'm happy to take a stab :) > > File can be downloaded from here: > > https://docs.google.com/file/d/0B7tMukhco9MwVjZWa09ZWW04Vm8/edit?usp=sharing > > Thanks! > Mark > > > On Tue, Aug 13, 2013 at 8:20 PM, Larry Gritz <[email protected]> wrote: > >> Nobody is working on it as far as I know. We use the DPX support >> extensively here, but I think our convention is to save L & R as separate >> images, so it hadn't been brought to my attention that our DPX subimage >> support was lacking. A fix for that would be very welcome. >> >> But before you dive in too deep... if you want to send me (privately is >> ok, I won't share) one of these stereo DPX files, I would be happy to take >> a *quick* look at the DPX code -- which I didn't write, but am at least >> passingly familiar with -- just to see if it's an extremely minor >> alteration (or even an obvious bug) to fix subimages, and if so I can just >> bang it out. But if it's more extensive, I'll let you know because if I >> don't know immediately how to do it, you'll probably get a fix faster if >> you are able to do it yourself rather than wait for me to free up a bigger >> block of time. >> >> -- lg >> >> >> On Aug 13, 2013, at 11:50 AM, Mark Boorer wrote: >> >> > Hi, >> > >> > I'm looking to read/write some stereo DPX files I have, and I noticed >> > that the DPXOutput class explicitly does not support subimages. >> > I've also tried reading some files that contain subimages (written >> > from a custom library), but I'm unable to get the data out of them >> > after calling seek_subimage() (though the seek call works as >> > expected). >> > >> > Is anyone presently working on supporting subimages in the DPX writer? >> > I'm not too familiar with the guts of the format, but I do have access >> > to the spec and may be motivated to add support. >> > >> > Cheers, >> > Mark >> > >> >> -- >> Larry Gritz >> [email protected] >> >> >> _______________________________________________ >> Oiio-dev mailing list >> [email protected] >> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >> > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > > -- > Larry Gritz > [email protected] > > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > >
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