Hey crew,
Working on a stable way to use memory streams (e.g. from a file placed onto a
buffer) with ImageInput::open(...) for a live unpack test but am perplexed on
the format_name vs. useable extension setup. In imageioplugin.cpp there is
declare_imageio_format(...) which takes a format name. In the event that we
provide an input_creator OIIO attempts to set the input_formats properly.
My question pertains to the following lines: (imageioplugin.cpp line(s) 98:110)
if (input_creator) {
if (input_formats.find(format_name) != input_formats.end())
input_formats[format_name] = input_creator;
...
}
In the event our format_name is in the input_formats we override it. However,
below, when setting the extensions into input_formats, we only insert when the
extension isn't found. We do the same with output_creator.
There is also, at the top of the file a input_extensions (InputPluginMap) that
doesn't seem to be used anywhere.
Is there a reason for this particular logic? I don't mind supplying the
extension of the original file but ideally the app shouldn't have to know them
(in the event it's created entirely in memory), only the format_name.
Just want to be sure.
Cheers,
Michael McCartney
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