Spaces:
Sleeping
Sleeping
Delete realtime_transcriber.py
Browse files- realtime_transcriber.py +0 -103
realtime_transcriber.py
DELETED
|
@@ -1,103 +0,0 @@
|
|
| 1 |
-
import asyncio
|
| 2 |
-
from websockets import connect, Data, ClientConnection
|
| 3 |
-
import json
|
| 4 |
-
import numpy as np
|
| 5 |
-
import base64
|
| 6 |
-
import soundfile as sf
|
| 7 |
-
import io
|
| 8 |
-
from pydub import AudioSegment
|
| 9 |
-
|
| 10 |
-
# Load OpenAI API key from environment (dotenv is optional)
|
| 11 |
-
import os
|
| 12 |
-
from dotenv import load_dotenv
|
| 13 |
-
load_dotenv()
|
| 14 |
-
|
| 15 |
-
OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY")
|
| 16 |
-
if not OPENAI_API_KEY:
|
| 17 |
-
raise ValueError("OPENAI_API_KEY environment variable must be set")
|
| 18 |
-
|
| 19 |
-
WEBSOCKET_URI = "wss://api.openai.com/v1/realtime?intent=transcription"
|
| 20 |
-
WEBSOCKET_HEADERS = {
|
| 21 |
-
"Authorization": "Bearer " + OPENAI_API_KEY,
|
| 22 |
-
"OpenAI-Beta": "realtime=v1"
|
| 23 |
-
}
|
| 24 |
-
|
| 25 |
-
connections = {}
|
| 26 |
-
|
| 27 |
-
class WebSocketClient:
|
| 28 |
-
def __init__(self, uri: str, headers: dict, client_id: str):
|
| 29 |
-
self.uri = uri
|
| 30 |
-
self.headers = headers
|
| 31 |
-
self.websocket: ClientConnection = None
|
| 32 |
-
self.queue = asyncio.Queue(maxsize=10)
|
| 33 |
-
self.loop = None
|
| 34 |
-
self.client_id = client_id
|
| 35 |
-
self.transcript = ""
|
| 36 |
-
|
| 37 |
-
async def connect(self):
|
| 38 |
-
try:
|
| 39 |
-
self.websocket = await connect(self.uri, additional_headers=self.headers)
|
| 40 |
-
print("✅ Connected to OpenAI WebSocket")
|
| 41 |
-
|
| 42 |
-
with open("openai_transcription_settings.json", "r") as f:
|
| 43 |
-
settings = f.read()
|
| 44 |
-
await self.websocket.send(settings)
|
| 45 |
-
|
| 46 |
-
await asyncio.gather(self.receive_messages(), self.send_audio_chunks())
|
| 47 |
-
except Exception as e:
|
| 48 |
-
print(f"❌ WebSocket error: {e}")
|
| 49 |
-
|
| 50 |
-
def run(self):
|
| 51 |
-
self.loop = asyncio.new_event_loop()
|
| 52 |
-
asyncio.set_event_loop(self.loop)
|
| 53 |
-
self.loop.run_until_complete(self.connect())
|
| 54 |
-
|
| 55 |
-
def process_websocket_message(self, message: Data):
|
| 56 |
-
message_object = json.loads(message)
|
| 57 |
-
if message_object["type"] != "error":
|
| 58 |
-
if message_object["type"] == "conversation.item.input_audio_transcription.delta":
|
| 59 |
-
delta = message_object["delta"]
|
| 60 |
-
self.transcript += delta
|
| 61 |
-
elif message_object["type"] == "conversation.item.input_audio_transcription.completed":
|
| 62 |
-
self.transcript += ' ' if len(self.transcript) and self.transcript[-1] != ' ' else ''
|
| 63 |
-
else:
|
| 64 |
-
print(f"⚠️ Error received: {message}")
|
| 65 |
-
|
| 66 |
-
async def send_audio_chunks(self):
|
| 67 |
-
while True:
|
| 68 |
-
sample_rate, audio_array = await self.queue.get()
|
| 69 |
-
if self.websocket:
|
| 70 |
-
if audio_array.ndim > 1:
|
| 71 |
-
audio_array = audio_array.mean(axis=1)
|
| 72 |
-
audio_array = audio_array.astype(np.float32)
|
| 73 |
-
audio_array /= np.max(np.abs(audio_array)) if np.max(np.abs(audio_array)) > 0 else 1.0
|
| 74 |
-
audio_array_int16 = (audio_array * 32767).astype(np.int16)
|
| 75 |
-
|
| 76 |
-
buffer = io.BytesIO()
|
| 77 |
-
sf.write(buffer, audio_array_int16, sample_rate, format='WAV', subtype='PCM_16')
|
| 78 |
-
buffer.seek(0)
|
| 79 |
-
segment = AudioSegment.from_file(buffer, format="wav")
|
| 80 |
-
resampled = segment.set_frame_rate(24000)
|
| 81 |
-
|
| 82 |
-
out_buf = io.BytesIO()
|
| 83 |
-
resampled.export(out_buf, format="wav")
|
| 84 |
-
out_buf.seek(0)
|
| 85 |
-
|
| 86 |
-
b64_audio = base64.b64encode(out_buf.read()).decode("utf-8")
|
| 87 |
-
await self.websocket.send(json.dumps({
|
| 88 |
-
"type": "input_audio_buffer.append",
|
| 89 |
-
"audio": b64_audio
|
| 90 |
-
}))
|
| 91 |
-
|
| 92 |
-
async def receive_messages(self):
|
| 93 |
-
async for message in self.websocket:
|
| 94 |
-
self.process_websocket_message(message)
|
| 95 |
-
|
| 96 |
-
def enqueue_audio_chunk(self, sample_rate: int, chunk_array: np.ndarray):
|
| 97 |
-
if not self.queue.full():
|
| 98 |
-
asyncio.run_coroutine_threadsafe(self.queue.put((sample_rate, chunk_array)), self.loop)
|
| 99 |
-
|
| 100 |
-
async def close(self):
|
| 101 |
-
if self.websocket:
|
| 102 |
-
await self.websocket.close()
|
| 103 |
-
connections.pop(self.client_id)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|