I doubt this is possible but I thought I would ask anyway.
 
I have a 3rd party DLL which opens a file that I specify.  Specially it is an audio decoder plugin which decodes MP3 to PCM.
 
What I would like to do is use this plugin to access a memory location which contains MP3 data instead of a file.
 
Is it possible to set up something in Windows where you specify a filename but actually accesses memory instead.
 
This will be used with encrypted mp3 files so they are not accessible to anyone to steal for their own use.  I am currently opening the file, decrypting, and then saving a temporary file to disk.  But this has 2 disadvantages.  It is very slow, so lots of latency between asking a track to play and hearing it.  And also, while the file is decrypted on disk, someone can steal it.
 
The DLL cannot be modified.  Is there any solution?
 
Thanks,
Ross.
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