Outputting video in C/C++
I need to control a data projector (i.e. display some images on it) using C++ code. Is there an easy way to do this? Possibly via RS232/VGA/S-Video ... or USB?
I'm yet to know the exact projector model, but a general description of what I would need to do would be much appreciated. If you want to do an example with a specific model, then let's say the BenQ PB2220 (which I know this is do-able with).
Thanks
I'm yet to know the exact projector model, but a general description of what I would need to do would be much appreciated. If you want to do an example with a specific model, then let's say the BenQ PB2220 (which I know this is do-able with).
Thanks
You'll need a specification for it. Most devices, unfortunately, lack documentation. Companies like Intel and AMD are great for documentation, but unfortunately they don't make projectors.
The problem with specifications is that companies (like Microsoft) tend to make them hard to understand without already knowing what the specification says (e.g. Micrsoft's OOXML specification is >= 6000 pages long), to make it harder for people to compete with them, so sometimes they're totally useless. Intel and AMD's developer specifications are excellent though, very easy to follow, and very descriptive; with tables and diagrams.
Shame they just make GPUs, CPUs and motherboards.
The problem with specifications is that companies (like Microsoft) tend to make them hard to understand without already knowing what the specification says (e.g. Micrsoft's OOXML specification is >= 6000 pages long), to make it harder for people to compete with them, so sometimes they're totally useless. Intel and AMD's developer specifications are excellent though, very easy to follow, and very descriptive; with tables and diagrams.
Shame they just make GPUs, CPUs and motherboards.
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