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by diddi
Fri Mar 07, 2014 11:30 am
Forum: C/C++
Topic: include jpg viewer in a c++ code
Replies: 8
Views: 3875

Re: include jpg viewer in a c++ code

It took quite a while - but things work out ok now. Depending on the size of a picture it takes some seconds to resize it (using SDL_rotozoom) to the screen size. But during the time you watch the slide, the program preloads another picture and saves in a preload buffer. Inbetween a remote control (...
by diddi
Tue Nov 12, 2013 7:58 am
Forum: C/C++
Topic: include jpg viewer in a c++ code
Replies: 8
Views: 3875

Re: include jpg viewer in a c++ code

Hi AndyD, thanks again for the tipp. It works fine with SDL. jpgs from a digital camera nowadays can have easily > 10MB. Then SDL on a raspi (jpgs loaded from an USB stick) works pretty slow and doesn't scale either. As you seem to be fit with this subject two more questions: - Is there any tool to ...
by diddi
Fri Nov 08, 2013 4:41 pm
Forum: C/C++
Topic: include jpg viewer in a c++ code
Replies: 8
Views: 3875

Re: include jpg viewer in a c++ code

Thanks a lot for your reply and the idea using sdl-image.. As I'm pretty new on both C-programming and linux I first was trying the X-enviroment but later had the idea that there should be some buffer which is streamed to an HDMI device. As the project is a "slide projector" on a HDMI-TV-screen this...
by diddi
Wed Nov 06, 2013 1:13 pm
Forum: C/C++
Topic: include jpg viewer in a c++ code
Replies: 8
Views: 3875

include jpg viewer in a c++ code

Hi everybody, I'm working on the folloing project: A Raspberry equipped with a LCD-Display and selction buttons is used to select jpg-files from a USB stick. Once a picture is select it should be viewed on an HDMI-display (TV eg.) The selection menue is written in C++. This works fine already. The c...

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