mlx-examples/musicgen/generate.py

# Copyright © 2024 Apple Inc.

import argparse
import signal

from utils import save_audio

from musicgen import MusicGen


def main(text: str, output_path: str, model_name: str, max_steps: int, timeout: int = None):
    def handler(signum, frame):
        raise TimeoutError("Generation timed out")

    if timeout:
        signal.signal(signal.SIGALRM, handler)
        signal.alarm(timeout)

    try:
        model = MusicGen.from_pretrained(model_name)
        audio = model.generate(text, max_steps=max_steps)
        save_audio(output_path, audio, model.sampling_rate)
    finally:
        if timeout:
            signal.alarm(0)


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("--model", required=False, default="facebook/musicgen-medium")
    parser.add_argument("--text", required=False, default="happy rock")
    parser.add_argument("--output-path", required=False, default="0.wav")
    parser.add_argument("--max-steps", required=False, default=500, type=int)
    parser.add_argument("--timeout", required=False, default=None, type=int)
    args = parser.parse_args()
    main(args.text, args.output_path, args.model, args.max_steps, args.timeout)