# debug_audio.py - save and run this
import jack
import numpy as np
import time

client = jack.Client("DebugTest")
client.activate()

in_L = client.inports.register("test_in_L")
in_R = client.inports.register("test_in_R")

@client.set_process_callback
def process(frames):
    lvl_L = np.max(np.abs(in_L.get_array())) if len(in_L.get_array()) > 0 else 0
    lvl_R = np.max(np.abs(in_R.get_array())) if len(in_R.get_array()) > 0 else 0
    if lvl_L > 0.001 or lvl_R > 0.001:
        print(f"Levels: L={lvl_L:.4f} R={lvl_R:.4f}")

print("Connect DebugTest:test_in_L/R to your audio source in qpwgraph")
print("Press Ctrl+C to stop")

try:
    while True:
        time.sleep(1)
except KeyboardInterrupt:
    client.deactivate()