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castr - a CLI and C++ library to cast media files to Chromecast devices
        using the built in Default Media Receiver

-- CLI usage --
Examples:
    castr my_video.mp4 my_second_video.mp4
    castr https://www.example.com/some_video_on_the_internet.mp4

Controlling playback:
  SPACEBAR: Play/Pause
  n:        Next
  p:        Previous
  s:        Stop
  r:        Restart media from beginning*
  f:        Seek forward 60 seconds*
  F:        Seek forward 600 seconds*
  b:        Seek backwards 60 seconds*
  B:        Seek backwards 600 seconds*
  m:        Mute on/off
  v:        Volume down
  V:        Volume up
  h:        Help
  q:        Quit

  * Note: Seeking is not supported by all media

Supported file types:
    aac, mp3, wav, webm, mp4,
    gif, jpg, png, webp, mpd, m3u8

If you have ffmpeg installed and a computer that is fast enough to
encode video in real time, all other common video formats are supported
through the helper script castr-convert.
Example:
    castr-convert my_video.mkv


-- Build instructions --

Dependencies, and how to install them on Ubuntu:
* protobuf - Protocol to communicate with Chromecast
  sudo apt install protobuf-compiler protobuf-dev

* avahi - mDNS implementation used to locate Chromecast device
  sudo apt install libavahi-client-dev


Building:
  mkdir build
  cd build
  cmake ..
  make