added livekit dependency

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Added `LivekitFrameSerializer` audio frame serializer.
+
 ### Fixed
 
 - Fix `FastAPIWebsocketOutputTransport` variable name clash with subclass.

pyproject.toml

@@ -46,6 +46,7 @@ google = [ "google-generativeai~=0.7.2" ]
 gstreamer = [ "pygobject~=3.48.2" ]
 fireworks = [ "openai~=1.37.2" ]
 langchain = [ "langchain~=0.2.14", "langchain-community~=0.2.12", "langchain-openai~=0.1.20" ]
+livekit = [ "livekit~=0.13.1" ]
 local = [ "pyaudio~=0.2.14" ]
 moondream = [ "einops~=0.8.0", "timm~=1.0.8", "transformers~=4.44.0" ]
 openai = [ "openai~=1.37.2" ]

src/pipecat/serializers/livekit.py

@@ -7,10 +7,19 @@
 import ctypes
 import pickle
 
-from livekit.rtc import AudioFrame
 from pipecat.frames.frames import AudioRawFrame, Frame
 from pipecat.serializers.base_serializer import FrameSerializer
 
+from loguru import logger
+
+try:
+    from livekit.rtc import AudioFrame
+except ModuleNotFoundError as e:
+    logger.error(f"Exception: {e}")
+    logger.error(
+        "In order to use LiveKit, you need to `pip install pipecat-ai[livekit]`.")
+    raise Exception(f"Missing module: {e}")
+
 
 class LivekitFrameSerializer(FrameSerializer):
     SERIALIZABLE_TYPES = {