This source code is part of a bigger art project. The MQTT Audio Player receives command through MQTT and triggers sounds, depending on the current mode (which can change from time to time). The MQTT messages are sent by 25 sensors and trigger one of 25 sounds.
Samples are organised in rows (A-E) and columns (1-5) -> 25 slots for samples. The Pure data player takes care of polyphony and sample pannning (left-right, back-front)
Before sending commands via command line pdsend, pure data has to be started and the file puredata/pdAudioPlayer.pd has to be opened.
Single audio file can be loaded with:
echo "A 1 load ../media/A1.wav" | pdsend 3000 localhost udp
Several audio files can be loaded with:
echo "A 1 load ../media/A1.wav, A 2 load ../media/A2.wav, A 3 load ../media/A3.wav, A 4 load ../media/A4.wav, A 5 load ../media/A5.wav" | pdsend 3000 localhost udp
Samples can be played once via
echo "A 1 play" | pdsend 3000 localhost udp
Volume can be adjusted via
echo "A 1 volume 0.5" | pdsend 3000 localhost udp
Play can be stoped via
echo "A 1 stop" | pdsend 3000 localhost udp
Samples can be played once via
echo "all play" | pdsend 3000 localhost udp
Volume can be adjusted via
echo "all volume 0.5" | pdsend 3000 localhost udp
Play can be stoped via
echo "all stop" | pdsend 3000 localhost udp
Looping can be started by supplying the BPM to the loop start command
echo "loop start 120" | pdsend 3000 localhost udp
Looping can be stoped like this
echo "loop stop" | pdsend 3000 localhost udp