Make end call tool can be cancelled

backend/services/pipecat/turn_config.py

@@ -7,6 +7,7 @@ from typing import Any
 from pipecat.audio.turn.smart_turn.local_smart_turn_v3 import LocalSmartTurnAnalyzerV3
 from pipecat.audio.vad.silero import SileroVADAnalyzer
 from pipecat.audio.vad.vad_analyzer import VADParams
+from pipecat.frames.frames import TranscriptionFrame, VADUserStartedSpeakingFrame
 from pipecat.processors.aggregators.llm_context import LLMContext
 from pipecat.processors.aggregators.llm_response_universal import (
     LLMUserAggregator,
@@ -100,6 +101,14 @@ def create_user_turn_strategies(
     return UserTurnStrategies(start=start, stop=stop)
 
 
+def is_configured_user_turn_start(frame, turn_config: dict[str, Any]) -> bool:
+    """Match the frame used by the configured barge-in start strategy."""
+    barge_in = _section(turn_config, "barge_in", "bargeIn")
+    if barge_in.get("strategy", "vad") == "transcription":
+        return isinstance(frame, TranscriptionFrame) and bool(frame.text.strip())
+    return isinstance(frame, VADUserStartedSpeakingFrame)
+
+
 class ConfigurableLLMUserAggregator(LLMUserAggregator):
     """LLM user aggregator with one stable project-level runtime update API.