Add xfyun asr service

engine/services.py

@@ -13,10 +13,27 @@ from pipecat.services.openai.tts import VALID_VOICES, OpenAITTSService
 from pipecat.transcriptions.language import Language
 
 from .config import AudioConfig, LLMConfig, STTConfig, TTSConfig
+from .xfyun_asr import DEFAULT_XFYUN_ASR_URL, XfyunASRService
 from .xfyun_tts import DEFAULT_XFYUN_TTS_URL, XfyunTTSService
 
 
-def create_stt_service(config: STTConfig):
+def create_stt_service(config: STTConfig, audio: AudioConfig | None = None):
+    if config.provider == "xfyun":
+        sample_rate = audio.sample_rate_hz if audio else 16000
+        return XfyunASRService(
+            app_id=config.app_id,
+            api_key=config.api_key or "",
+            api_secret=config.api_secret,
+            url=config.base_url or DEFAULT_XFYUN_ASR_URL,
+            language=config.language or "zh_cn",
+            domain=config.domain,
+            accent=config.accent,
+            sample_rate=sample_rate,
+            encoding=config.encoding,
+            frame_size=config.frame_size,
+            open_timeout=config.timeout_sec,
+        )
+
     _require_provider(config.provider, "openai", "stt")
     return OpenAISTTService(
         api_key=config.api_key or None,