Announcements
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The Sonos library supports making announcements via text to speech functionality.
First you need to have a SMB share available, then you can setup a Directory instance using Flysystem.
use duncan3dc\Sonos\Utils\Directory;
# The flysystem instance used to store temporary audio files for Sonos to retrieve
$adapter = new \League\Flysystem\Adapter\Local("/var/shares/sonos");
$filesystem = new \League\Flysystem\Filesystem($adapter);
# The SMB server (this must be in uppercase, and using an IP has been reported not to work)
$hostname = "LEMIEUX";
# The share name that is setup for the filesystem path defined above (/var/shares/sonos)
$smb = "{$hostname}/sonos",
# The final argument is the name of the directory that this object is for
$directory = new Directory($filesystem, $smb, "tts");
Once you have a Directory instance, you can then create audio messages using text to speech:
use duncan3dc\Sonos\Tracks\TextToSpeech;
$track = new TextToSpeech("Testing, testing, 123", $directory);
You can use these just like any other track, however the most interesting thing to do is interrupt the current activity with a message, and then resume playing again.
$bedroom = $sonos->getControllerByRoom("Bedroom");
$bedroom->interrupt($track);
This will backup the current state of the controller (queue contents, stream details, volume, equalisation, etc), play the passed $track, and then restore the previous state, effectively interrupting the music to make an announcement and then carrying on where the music left off.