Simple Raspberry Pi MMAL project

• main.c - just displays camera preview until ctrl-c

• still_capture.c - captures still jpeg image with text overlay

• video_record.c - records video with text overlay, outputs h264

    -t 3 - record 3 seconds of video
    -s "camera 1" - overlay text
  

Build

0. Install pre-required packages

    $ sudo apt-get install cmake libopencv-dev
   

1. Place Raspberry Pi userland project in /home/pi/src/raspberrypi/userland

    $ mkdir -p /home/pi/src/raspberrypi
    $ cd /home/pi/src/raspberrypi
    $ git clone --depth 1 https://github.com/raspberrypi/userland.git
   

2. Build pre-required libraries

    $ make -C /opt/vc/src/hello_pi/libs/vgfont
   

3. Build project

    $ mkdir build
    $ cd build
    $ cmake ../
    $ make