clients/py_play_ffplay.py

#!/usr/bin/env python3
import sys, json, base64

def main():
    """
    Read SSE from stdin, extract base64 PCM16 frames, write raw bytes to stdout.
    Use with curl, then pipe to ffplay:
      curl -G --data-urlencode 'text=Hello' 'http://localhost:8000/v1/tts.sse' \\
        | python3 clients/py_play_ffplay.py \\
        | ffplay -nodisp -autoexit -f s16le -ar 24000 -ac 1 -
    """
    for line in sys.stdin:
        line = line.rstrip("\n")
        if line.startswith("data: "):
            try:
                obj = json.loads(line[6:])
                b = base64.b64decode(obj["pcm16"])
                sys.stdout.buffer.write(b)
                sys.stdout.flush()
            except Exception:
                pass

if __name__ == "__main__":
    main()