62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
import io
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import struct
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from pyht import Client
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from pyht.client import TTSOptions
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from pyht.protos.api_pb2 import Format
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from dailyai.services.ai_services import TTSService
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class PlayHTAIService(TTSService):
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def __init__(
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self,
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*,
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api_key,
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user_id,
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voice_url
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):
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super().__init__()
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self.speech_key = api_key
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self.user_id = user_id
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self.client = Client(
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user_id=self.user_id,
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api_key=self.speech_key,
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)
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self.options = TTSOptions(
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voice=voice_url,
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sample_rate=16000,
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quality="higher",
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format=Format.FORMAT_WAV)
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def __del__(self):
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self.client.close()
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async def run_tts(self, sentence):
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b = bytearray()
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in_header = True
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for chunk in self.client.tts(sentence, self.options):
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# skip the RIFF header.
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if in_header:
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b.extend(chunk)
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if len(b) <= 36:
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continue
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else:
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fh = io.BytesIO(b)
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fh.seek(36)
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(data, size) = struct.unpack('<4sI', fh.read(8))
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self.logger.info(
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f"first attempt: data: {data}, size: {hex(size)}, position: {fh.tell()}")
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while data != b'data':
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fh.read(size)
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(data, size) = struct.unpack('<4sI', fh.read(8))
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self.logger.info(
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f"subsequent data: {data}, size: {hex(size)}, position: {fh.tell()}, data != data: {data != b'data'}")
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self.logger.info("position: ", fh.tell())
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in_header = False
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else:
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if len(chunk):
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yield chunk
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