add xfyun tts service

engine/services.py

@@ -13,6 +13,7 @@ from pipecat.services.openai.tts import VALID_VOICES, OpenAITTSService
 from pipecat.transcriptions.language import Language
 
 from .config import AudioConfig, LLMConfig, STTConfig, TTSConfig
+from .xfyun_tts import DEFAULT_XFYUN_TTS_URL, XfyunTTSService
 
 
 def create_stt_service(config: STTConfig):
@@ -40,6 +41,26 @@ def create_llm_service(config: LLMConfig):
 
 
 def create_tts_service(config: TTSConfig, audio: AudioConfig):
+    if config.provider == "xfyun":
+        source_sample_rate = config.source_sample_rate_hz or audio.sample_rate_hz
+        if source_sample_rate not in (8000, 16000):
+            raise ValueError("Xfyun TTS source_sample_rate_hz must be 8000 or 16000")
+        return XfyunTTSService(
+            app_id=config.app_id,
+            api_key=config.api_key or "",
+            api_secret=config.api_secret,
+            voice=config.voice,
+            url=config.base_url or DEFAULT_XFYUN_TTS_URL,
+            sample_rate=audio.sample_rate_hz,
+            source_sample_rate=source_sample_rate,
+            encoding=config.aue,
+            text_encoding=config.tte,
+            speed=config.speed,
+            volume=config.volume,
+            pitch=config.pitch,
+            timeout=config.timeout_sec,
+        )
+
     _require_provider(config.provider, "openai", "tts")
     service_class = OpenAITTSService if config.voice in VALID_VOICES else OpenAICompatibleTTSService
     return service_class(