buffer-play-example.py

#!/usr/bin/env python3

#--------------------------------------------------------------------------------
# Example: Buffer playback
# Reads a stereo buffer from an audio file, and plays it through system output.
#--------------------------------------------------------------------------------

from signalflow import *
import os


def main():
    graph = AudioGraph()

    #--------------------------------------------------------------------------------
    # Read samples into a Buffer by passing the filename
    #--------------------------------------------------------------------------------
    audio_path = os.path.join(os.path.dirname(__file__), "audio", "stereo-count.wav")
    buf = Buffer(audio_path)
    print("Loaded buffer with %d channel(s), duration: %.1fs" % (buf.num_channels, buf.duration))

    #--------------------------------------------------------------------------------
    # Begin looping playback
    #--------------------------------------------------------------------------------
    player = BufferPlayer(buf, loop=True)

    graph.play(player)
    graph.wait()


if __name__ == "__main__":
    main()