Add input options to PlayHT, upgrade to latest PlayHT model

src/pipecat/services/playht.py

@@ -6,9 +6,10 @@
 
 import io
 import struct
-from typing import AsyncGenerator
+from typing import AsyncGenerator, Optional
 
 from loguru import logger
+from pydantic.main import BaseModel
 
 from pipecat.frames.frames import (
     Frame,
@@ -17,6 +18,7 @@ from pipecat.frames.frames import (
     TTSStoppedFrame,
 )
 from pipecat.services.ai_services import TTSService
+from pipecat.transcriptions.language import Language
 
 try:
     from pyht.async_client import AsyncClient
@@ -31,8 +33,21 @@ except ModuleNotFoundError as e:
 
 
 class PlayHTTTSService(TTSService):
+    class InputParams(BaseModel):
+        language: Optional[Language] = Language.EN
+        speed: Optional[float] = 1.0
+        seed: Optional[int] = None
+
     def __init__(
-        self, *, api_key: str, user_id: str, voice_url: str, sample_rate: int = 16000, **kwargs
+        self,
+        *,
+        api_key: str,
+        user_id: str,
+        voice_url: str,
+        voice_engine: str = "PlayHT3.0-mini",
+        sample_rate: int = 16000,
+        params: InputParams = InputParams(),
+        **kwargs,
     ):
         super().__init__(sample_rate=sample_rate, **kwargs)
 
@@ -45,21 +60,87 @@ class PlayHTTTSService(TTSService):
         )
         self._settings = {
             "sample_rate": sample_rate,
-            "quality": "higher",
+            "language": self.language_to_service_language(params.language)
+            if params.language
+            else Language.EN,
             "format": Format.FORMAT_WAV,
-            "voice_engine": "PlayHT2.0-turbo",
+            "voice_engine": voice_engine,
+            "speed": params.speed,
+            "seed": params.seed,
         }
+        self.set_model_name(voice_engine)
         self.set_voice(voice_url)
         self._options = TTSOptions(
             voice=self._voice_id,
+            language=self._settings["language"],
             sample_rate=self._settings["sample_rate"],
-            quality=self._settings["quality"],
             format=self._settings["format"],
+            speed=self._settings["speed"],
+            seed=self._settings["seed"],
         )
 
     def can_generate_metrics(self) -> bool:
         return True
 
+    def language_to_service_language(self, language: Language) -> str | None:
+        match language:
+            case Language.BG:
+                return "BULGARIAN"
+            case Language.CA:
+                return "CATALAN"
+            case Language.CS:
+                return "CZECH"
+            case Language.DA:
+                return "DANISH"
+            case Language.DE:
+                return "GERMAN"
+            case (
+                Language.EN
+                | Language.EN_US
+                | Language.EN_GB
+                | Language.EN_AU
+                | Language.EN_NZ
+                | Language.EN_IN
+            ):
+                return "ENGLISH"
+            case Language.ES:
+                return "SPANISH"
+            case Language.FR | Language.FR_CA:
+                return "FRENCH"
+            case Language.EL:
+                return "GREEK"
+            case Language.HI:
+                return "HINDI"
+            case Language.HU:
+                return "HUNGARIAN"
+            case Language.ID:
+                return "INDONESIAN"
+            case Language.IT:
+                return "ITALIAN"
+            case Language.JA:
+                return "JAPANESE"
+            case Language.KO:
+                return "KOREAN"
+            case Language.MS:
+                return "MALAY"
+            case Language.NL:
+                return "DUTCH"
+            case Language.PL:
+                return "POLISH"
+            case Language.PT | Language.PT_BR:
+                return "PORTUGUESE"
+            case Language.RU:
+                return "RUSSIAN"
+            case Language.SV:
+                return "SWEDISH"
+            case Language.TH:
+                return "THAI"
+            case Language.TR:
+                return "TURKISH"
+            case Language.UK:
+                return "UKRAINIAN"
+        return None
+
     async def run_tts(self, text: str) -> AsyncGenerator[Frame, None]:
         logger.debug(f"Generating TTS: [{text}]")