processors: implement base process_frame(). all subsclassed should call it

examples/foundational/05-sync-speech-and-image.py

@@ -59,6 +59,8 @@ class MonthPrepender(FrameProcessor):
         self.prepend_to_next_text_frame = False
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, MonthFrame):
             self.most_recent_month = frame.month
         elif self.prepend_to_next_text_frame and isinstance(frame, TextFrame):

examples/foundational/05a-local-sync-speech-and-image.py

@@ -50,6 +50,8 @@ async def main():
                     self.text = ""
 
                 async def process_frame(self, frame: Frame, direction: FrameDirection):
+                    await super().process_frame(frame, direction)
+
                     if isinstance(frame, TextFrame):
                         self.text = frame.text
                     await self.push_frame(frame, direction)
@@ -60,6 +62,8 @@ async def main():
                     self.audio = bytearray()
 
                 async def process_frame(self, frame: Frame, direction: FrameDirection):
+                    await super().process_frame(frame, direction)
+
                     if isinstance(frame, AudioRawFrame):
                         self.audio.extend(frame.audio)
                         self.frame = AudioRawFrame(
@@ -71,6 +75,8 @@ async def main():
                     self.frame = None
 
                 async def process_frame(self, frame: Frame, direction: FrameDirection):
+                    await super().process_frame(frame, direction)
+
                     if isinstance(frame, URLImageRawFrame):
                         self.frame = frame
 

examples/foundational/06a-image-sync.py

@@ -49,6 +49,8 @@ class ImageSyncAggregator(FrameProcessor):
         self._waiting_image_bytes = self._waiting_image.tobytes()
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if not isinstance(frame, SystemFrame):
             await self.push_frame(ImageRawFrame(image=self._speaking_image_bytes, size=(1024, 1024), format=self._speaking_image_format))
             await self.push_frame(frame)

examples/foundational/11-sound-effects.py

@@ -60,6 +60,8 @@ for file in sound_files:
 class OutboundSoundEffectWrapper(FrameProcessor):
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, LLMFullResponseEndFrame):
             await self.push_frame(sounds["ding1.wav"])
             # In case anything else downstream needs it
@@ -71,6 +73,8 @@ class OutboundSoundEffectWrapper(FrameProcessor):
 class InboundSoundEffectWrapper(FrameProcessor):
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, LLMMessagesFrame):
             await self.push_frame(sounds["ding2.wav"])
             # In case anything else downstream needs it

examples/foundational/12-describe-video.py

@@ -42,6 +42,8 @@ class UserImageRequester(FrameProcessor):
         self._participant_id = participant_id
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if self._participant_id and isinstance(frame, TextFrame):
             await self.push_frame(UserImageRequestFrame(self._participant_id), FrameDirection.UPSTREAM)
         await self.push_frame(frame, direction)

examples/foundational/12a-describe-video-gemini-flash.py

@@ -42,6 +42,8 @@ class UserImageRequester(FrameProcessor):
         self._participant_id = participant_id
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if self._participant_id and isinstance(frame, TextFrame):
             await self.push_frame(UserImageRequestFrame(self._participant_id), FrameDirection.UPSTREAM)
         await self.push_frame(frame, direction)

examples/foundational/12b-describe-video-gpt-4o.py

@@ -42,6 +42,8 @@ class UserImageRequester(FrameProcessor):
         self._participant_id = participant_id
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if self._participant_id and isinstance(frame, TextFrame):
             await self.push_frame(UserImageRequestFrame(self._participant_id), FrameDirection.UPSTREAM)
         await self.push_frame(frame, direction)

examples/foundational/12c-describe-video-anthropic.py

@@ -42,6 +42,8 @@ class UserImageRequester(FrameProcessor):
         self._participant_id = participant_id
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if self._participant_id and isinstance(frame, TextFrame):
             await self.push_frame(UserImageRequestFrame(self._participant_id), FrameDirection.UPSTREAM)
         await self.push_frame(frame, direction)

examples/foundational/13-whisper-transcription.py

@@ -29,6 +29,8 @@ logger.add(sys.stderr, level="DEBUG")
 class TranscriptionLogger(FrameProcessor):
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TranscriptionFrame):
             print(f"Transcription: {frame.text}")
 

examples/foundational/13a-whisper-local.py

@@ -28,6 +28,8 @@ logger.add(sys.stderr, level="DEBUG")
 class TranscriptionLogger(FrameProcessor):
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TranscriptionFrame):
             print(f"Transcription: {frame.text}")
 

examples/moondream-chatbot/bot.py

@@ -74,6 +74,8 @@ class TalkingAnimation(FrameProcessor):
         self._is_talking = False
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, AudioRawFrame):
             if not self._is_talking:
                 await self.push_frame(talking_frame)
@@ -93,6 +95,8 @@ class UserImageRequester(FrameProcessor):
         self.participant_id = participant_id
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if self.participant_id and isinstance(frame, TextFrame):
             if frame.text == user_request_answer:
                 await self.push_frame(UserImageRequestFrame(self.participant_id), FrameDirection.UPSTREAM)
@@ -107,6 +111,8 @@ class TextFilterProcessor(FrameProcessor):
         self.text = text
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             if frame.text != self.text:
                 await self.push_frame(frame)
@@ -116,6 +122,8 @@ class TextFilterProcessor(FrameProcessor):
 
 class ImageFilterProcessor(FrameProcessor):
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if not isinstance(frame, ImageRawFrame):
             await self.push_frame(frame)
 

examples/simple-chatbot/bot.py

@@ -64,6 +64,8 @@ class TalkingAnimation(FrameProcessor):
         self._is_talking = False
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, AudioRawFrame):
             if not self._is_talking:
                 await self.push_frame(talking_frame)

examples/storytelling-chatbot/src/processors.py

@@ -52,6 +52,8 @@ class StoryImageProcessor(FrameProcessor):
         self._fal_service = fal_service
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, StoryImageFrame):
             try:
                 async with timeout(7):
@@ -86,6 +88,8 @@ class StoryProcessor(FrameProcessor):
         self._story = story
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, UserStoppedSpeakingFrame):
             # Send an app message to the UI
             await self.push_frame(DailyTransportMessageFrame(CUE_ASSISTANT_TURN))

examples/translation-chatbot/bot.py

@@ -40,6 +40,8 @@ class TranslationProcessor(FrameProcessor):
         self._language = language
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             context = [
                 {
@@ -65,6 +67,8 @@ class TranslationSubtitles(FrameProcessor):
     # subtitles.
     #
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             message = {
                 "language": self._language,

src/pipecat/frames/frames.py

@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: BSD 2-Clause License
 #
 
-from typing import Any, List, Tuple
+from typing import Any, List, Mapping, Tuple
 
 from dataclasses import dataclass, field
 
@@ -188,6 +188,7 @@ class SystemFrame(Frame):
 class StartFrame(SystemFrame):
     """This is the first frame that should be pushed down a pipeline."""
     allow_interruptions: bool = False
+    enable_metrics: bool = False
 
 
 @dataclass

src/pipecat/pipeline/parallel_pipeline.py

@@ -20,6 +20,8 @@ class Source(FrameProcessor):
         self._up_queue = upstream_queue
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self._up_queue.put(frame)
@@ -34,6 +36,8 @@ class Sink(FrameProcessor):
         self._down_queue = downstream_queue
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self.push_frame(frame, direction)
@@ -90,6 +94,8 @@ class ParallelPipeline(FrameProcessor):
         self._down_task = loop.create_task(self._process_down_queue())
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, StartFrame):
             await self._start_tasks()
 

src/pipecat/pipeline/pipeline.py

@@ -19,6 +19,8 @@ class PipelineSource(FrameProcessor):
         self._upstream_push_frame = upstream_push_frame
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self._upstream_push_frame(frame, direction)
@@ -33,6 +35,8 @@ class PipelineSink(FrameProcessor):
         self._downstream_push_frame = downstream_push_frame
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self.push_frame(frame, direction)
@@ -61,6 +65,8 @@ class Pipeline(FrameProcessor):
         await self._cleanup_processors()
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if direction == FrameDirection.DOWNSTREAM:
             await self._source.process_frame(frame, FrameDirection.DOWNSTREAM)
         elif direction == FrameDirection.UPSTREAM:

src/pipecat/pipeline/task.py

@@ -28,6 +28,8 @@ class Source(FrameProcessor):
         self._up_queue = up_queue
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self._up_queue.put(frame)

src/pipecat/processors/aggregators/gated.py

@@ -48,6 +48,8 @@ class GatedAggregator(FrameProcessor):
         self._accumulator: List[Frame] = []
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         # We must not block system frames.
         if isinstance(frame, SystemFrame):
             await self.push_frame(frame, direction)

src/pipecat/processors/aggregators/llm_response.py

@@ -79,6 +79,8 @@ class LLMResponseAggregator(FrameProcessor):
     # and T2 would be dropped.
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         send_aggregation = False
 
         if isinstance(frame, self._start_frame):
@@ -207,6 +209,8 @@ class LLMFullResponseAggregator(FrameProcessor):
         self._aggregation = ""
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             self._aggregation += frame.text
         elif isinstance(frame, LLMFullResponseEndFrame):

src/pipecat/processors/aggregators/parallel_task.py

@@ -22,6 +22,8 @@ class Source(FrameProcessor):
         self._up_queue = upstream_queue
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self._up_queue.put(frame)
@@ -36,6 +38,8 @@ class Sink(FrameProcessor):
         self._down_queue = downstream_queue
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         match direction:
             case FrameDirection.UPSTREAM:
                 await self.push_frame(frame, direction)
@@ -80,6 +84,8 @@ class ParallelTask(FrameProcessor):
     #
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if direction == FrameDirection.UPSTREAM:
             # If we get an upstream frame we process it in each sink.
             await asyncio.gather(*[s.process_frame(frame, direction) for s in self._sinks])

src/pipecat/processors/aggregators/sentence.py

@@ -33,6 +33,8 @@ class SentenceAggregator(FrameProcessor):
         self._aggregation = ""
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         # We ignore interim description at this point.
         if isinstance(frame, InterimTranscriptionFrame):
             return

src/pipecat/processors/aggregators/user_response.py

@@ -82,6 +82,8 @@ class ResponseAggregator(FrameProcessor):
     # and T2 would be dropped.
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         send_aggregation = False
 
         if isinstance(frame, self._start_frame):

src/pipecat/processors/aggregators/vision_image_frame.py

@@ -30,6 +30,8 @@ class VisionImageFrameAggregator(FrameProcessor):
         self._describe_text = None
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             self._describe_text = frame.text
         elif isinstance(frame, ImageRawFrame):

src/pipecat/processors/filters/frame_filter.py

@@ -30,5 +30,7 @@ class FrameFilter(FrameProcessor):
                 or isinstance(frame, SystemFrame))
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if self._should_passthrough_frame(frame):
             await self.push_frame(frame, direction)

src/pipecat/processors/filters/wake_check_filter.py

@@ -43,6 +43,8 @@ class WakeCheckFilter(FrameProcessor):
             self._wake_patterns.append(pattern)
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         try:
             if isinstance(frame, TranscriptionFrame):
                 p = self._participant_states.get(frame.user_id)

src/pipecat/processors/frame_processor.py

@@ -8,7 +8,7 @@ import asyncio
 
 from enum import Enum
 
-from pipecat.frames.frames import ErrorFrame, Frame
+from pipecat.frames.frames import ErrorFrame, Frame, StartFrame
 from pipecat.utils.utils import obj_count, obj_id
 
 from loguru import logger
@@ -28,6 +28,18 @@ class FrameProcessor:
         self._next: "FrameProcessor" | None = None
         self._loop: asyncio.AbstractEventLoop = loop or asyncio.get_running_loop()
 
+        # Properties
+        self._allow_interruptions = False
+        self._enable_metrics = False
+
+    @property
+    def allow_interruptions(self):
+        return self._allow_interruptions
+
+    @property
+    def enable_metrics(self):
+        return self._enable_metrics
+
     async def cleanup(self):
         pass
 
@@ -40,7 +52,9 @@ class FrameProcessor:
         return self._loop
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
-        pass
+        if isinstance(frame, StartFrame):
+            self._allow_interruptions = frame.allow_interruptions
+            self._enable_metrics = frame.enable_metrics
 
     async def push_error(self, error: ErrorFrame):
         await self.push_frame(error, FrameDirection.UPSTREAM)

src/pipecat/processors/frameworks/langchain.py

@@ -39,6 +39,8 @@ class LangchainProcessor(FrameProcessor):
         self._participant_id = participant_id
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, LLMMessagesFrame):
             # Messages are accumulated by the `LLMUserResponseAggregator` in a list of messages.
             # The last one by the human is the one we want to send to the LLM.

src/pipecat/processors/text_transformer.py

@@ -27,6 +27,8 @@ class StatelessTextTransformer(FrameProcessor):
         self._transform_fn = transform_fn
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             result = self._transform_fn(frame.text)
             if isinstance(result, Coroutine):

src/pipecat/services/ai_services.py

@@ -106,6 +106,8 @@ class TTSService(AIService):
         await self.push_frame(TextFrame(text))
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             await self._process_text_frame(frame)
         elif isinstance(frame, EndFrame):
@@ -179,6 +181,8 @@ class STTService(AIService):
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
         """Processes a frame of audio data, either buffering or transcribing it."""
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, CancelFrame) or isinstance(frame, EndFrame):
             self._wave.close()
             await self.push_frame(frame, direction)
@@ -201,6 +205,8 @@ class ImageGenService(AIService):
         pass
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, TextFrame):
             await self.push_frame(frame, direction)
             await self.process_generator(self.run_image_gen(frame.text))
@@ -220,6 +226,8 @@ class VisionService(AIService):
         pass
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, VisionImageRawFrame):
             await self.process_generator(self.run_vision(frame))
         else:

src/pipecat/services/anthropic.py

@@ -122,6 +122,8 @@ class AnthropicLLMService(LLMService):
             await self.push_frame(LLMFullResponseEndFrame())
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         context = None
 
         if isinstance(frame, OpenAILLMContextFrame):

src/pipecat/services/google.py

@@ -105,6 +105,8 @@ class GoogleLLMService(LLMService):
             await self.push_frame(LLMFullResponseEndFrame())
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         context = None
 
         if isinstance(frame, OpenAILLMContextFrame):

src/pipecat/services/openai.py

@@ -215,6 +215,8 @@ class BaseOpenAILLMService(LLMService):
             raise BaseException(f"Unknown return type from function callback: {type(result)}")
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         context = None
         if isinstance(frame, OpenAILLMContextFrame):
             context: OpenAILLMContext = frame.context

src/pipecat/transports/base_input.py

@@ -34,7 +34,6 @@ class BaseInputTransport(FrameProcessor):
         self._params = params
 
         self._running = False
-        self._allow_interruptions = False
 
         self._executor = ThreadPoolExecutor(max_workers=5)
 
@@ -43,11 +42,6 @@ class BaseInputTransport(FrameProcessor):
         self._create_push_task()
 
     async def start(self, frame: StartFrame):
-        # Make sure we have the latest params. Note that this transport might
-        # have been started on another task that might not need interruptions,
-        # for example.
-        self._allow_interruptions = frame.allow_interruptions
-
         if self._running:
             return
 
@@ -86,12 +80,13 @@ class BaseInputTransport(FrameProcessor):
         pass
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, CancelFrame):
             # We don't queue a CancelFrame since we want to stop ASAP.
             await self.push_frame(frame, direction)
             await self.stop()
         elif isinstance(frame, StartFrame):
-            self._allow_interruption = frame.allow_interruptions
             await self.start(frame)
             await self._internal_push_frame(frame, direction)
         elif isinstance(frame, EndFrame):
@@ -128,7 +123,7 @@ class BaseInputTransport(FrameProcessor):
     #
 
     async def _handle_interruptions(self, frame: Frame):
-        if self._allow_interruptions:
+        if self.allow_interruptions:
             # Make sure we notify about interruptions quickly out-of-band
             if isinstance(frame, UserStartedSpeakingFrame):
                 logger.debug("User started speaking")

src/pipecat/transports/base_output.py

@@ -41,7 +41,6 @@ class BaseOutputTransport(FrameProcessor):
         self._params = params
 
         self._running = False
-        self._allow_interruptions = False
 
         self._executor = ThreadPoolExecutor(max_workers=5)
 
@@ -62,11 +61,6 @@ class BaseOutputTransport(FrameProcessor):
         self._create_push_task()
 
     async def start(self, frame: StartFrame):
-        # Make sure we have the latest params. Note that this transport might
-        # have been started on another task that might not need interruptions,
-        # for example.
-        self._allow_interruptions = frame.allow_interruptions
-
         if self._running:
             return
 
@@ -111,6 +105,8 @@ class BaseOutputTransport(FrameProcessor):
         await self._sink_thread
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         #
         # Out-of-band frames like (CancelFrame or StartInterruptionFrame) are
         # pushed immediately. Other frames require order so they are put in the
@@ -136,7 +132,7 @@ class BaseOutputTransport(FrameProcessor):
             await self._stopped_event.wait()
 
     async def _handle_interruptions(self, frame: Frame):
-        if not self._allow_interruptions:
+        if not self.allow_interruptions:
             return
 
         if isinstance(frame, StartInterruptionFrame):

src/pipecat/transports/services/daily.py

@@ -521,6 +521,8 @@ class DailyInputTransport(BaseInputTransport):
     #
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, UserImageRequestFrame):
             self.request_participant_image(frame.user_id)
 

src/pipecat/utils/test_frame_processor.py

@@ -13,6 +13,8 @@ class TestFrameProcessor(FrameProcessor):
         super().__init__()
 
     async def process_frame(self, frame, direction):
+        await super().process_frame(frame, direction)
+
         if not self.test_frames[0]:  # then we've run out of required frames but the generator is still going?
             raise TestException(f"Oops, got an extra frame, {frame}")
         if isinstance(self.test_frames[0], List):

src/pipecat/vad/silero.py

@@ -94,6 +94,8 @@ class SileroVAD(FrameProcessor):
     #
 
     async def process_frame(self, frame: Frame, direction: FrameDirection):
+        await super().process_frame(frame, direction)
+
         if isinstance(frame, AudioRawFrame):
             await self._analyze_audio(frame)
             if self._audio_passthrough:

tests/test_langchain.py

@@ -36,6 +36,8 @@ class TestLangchain(unittest.IsolatedAsyncioTestCase):
             return self.name
 
         async def process_frame(self, frame, direction):
+            await super().process_frame(frame, direction)
+
             if isinstance(frame, LLMFullResponseStartFrame):
                 self.start_collecting = True
             elif isinstance(frame, TextFrame) and self.start_collecting: