Files
pipecat/services/playht_ai_service.py
Moishe Lettvin e724720e76 Getting started
2023-12-25 19:09:11 -05:00

57 lines
1.9 KiB
Python

import io
import os
import struct
from pyht import Client
from dotenv import load_dotenv
from pyht.client import TTSOptions
from pyht.protos.api_pb2 import Format
from services.ai_service import AIService
class PlayHTAIService(AIService):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.speech_key = os.getenv("PLAY_HT_KEY") or ''
self.user_id = os.getenv("PLAY_HT_USER_ID") or ''
self.client = Client(
user_id=self.user_id,
api_key=self.speech_key,
)
self.options = TTSOptions(
voice="s3://voice-cloning-zero-shot/820da3d2-3a3b-42e7-844d-e68db835a206/sarah/manifest.json",
sample_rate=16000,
quality="higher",
format=Format.FORMAT_WAV
)
def close(self):
super().close()
self.client.close()
def run_tts(self, sentence):
b = bytearray()
in_header = True
for chunk in self.client.tts(sentence, self.options):
# skip the RIFF header.
if in_header:
b.extend(chunk)
if len(b) <= 36:
continue
else:
fh = io.BytesIO(b)
fh.seek(36)
(data, size) = struct.unpack('<4sI', fh.read(8))
self.logger.info(f"first attempt: data: {data}, size: {hex(size)}, position: {fh.tell()}")
while data != b'data':
fh.read(size)
(data, size) = struct.unpack('<4sI', fh.read(8))
self.logger.info(f"subsequent data: {data}, size: {hex(size)}, position: {fh.tell()}, data != data: {data != b'data'}")
self.logger.info("position: ", fh.tell())
in_header = False
else:
if len(chunk):
yield chunk