Audio testing

ringo-flow runs baresip with virtual audio, so it can both play audio into a call and check what the other side receives — headless, no devices, CI-safe.

Send audio

agent.sendAudio(source) switches the agent’s active-call audio source:

a.sendAudio(tone(440));          // a 440 Hz sine tone
a.sendAudio(file("prompt.wav")); // a WAV file
a.sendAudio(silence());          // stop sending

tone, file and silence build an AudioSpec.

Verify what’s received

agent.verifyAudio(freq, within) asserts the agent is receiving a tone at freq Hz within the time window (detected with a Goertzel filter). It returns a Promise, so await it:

a.sendAudio(tone(440));
await b.verifyAudio(440, "5s"); // B hears A's tone within 5s

The blocking detection window runs off the scenario thread, so several agents can listen at once instead of one after another:

a.sendAudio(tone(440));
b.sendAudio(tone(480));
await Promise.all([b.verifyAudio(440, "5s"), a.verifyAudio(480, "5s")]);

For a quick two-way check, verifyAudioConnection(a, b) sends a tone each way and asserts both arrive:

await verifyAudioConnection(a, b);

Debugging

Run with --save-audio to write each agent’s sent/received WAVs to the working directory, so you can listen to what actually flowed.

See the Agent reference for the exact signatures.