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slide

Simple, lightweight slideshow selecting random images from specified directory. This slideshow is designed to compile and run also on a Raspberry Pi, for example to turn it into a digital picture frame.

Tested versions:

  • Raspberry Pi 3 running Raspbian Stretch.
  • Raspberry Pi 3 running Raspbian Buster.

Screen background is filled with a scaled version of the image to prevent pure black background.

screenshot

Usage

slide [-t rotation_seconds] [-o background_opacity(0..255)] [-b blur_radius] -p image_folder -r
  • image_folder: where to search for images (.jpg files)
  • -r for recursive traversal of image_folder
  • -s for shuffle instead of random image rotation
  • -S for sorted rotation (files ordered by name, first images then subfolders)
  • rotation_seconds(default=30): time until next random image is chosen from the given folder
  • background_opacity(default=150): opacity of the background filling image between 0 (black background) and 255
  • blur_radius(default=20): blur radius of the background filling image

Dependencies

  • libexif
  • qt5
sudo apt install libexif12 qt5-default

Build

dev libs needed to build slide on from source:

sudo apt install libexif-dev

mkdir -p make
cd make
qmake ../src/slide.pro
make
sudo make install

macOS

Prerequisite: brew

brew install qt5
brew install libexif
mkdir -p build
cd build
qmake ../src/slide.pro
make