adding packet trailer support to python sdks

Author: chenosaurus

livekit-rtc/livekit/rtc/__init__.py

@@ -38,12 +38,13 @@
     VideoEncoding,
 )
 from ._proto.track_pb2 import (
+    PacketTrailerFeature,
     StreamState,
     TrackKind,
     TrackSource,
     ParticipantTrackPermission,
 )
-from ._proto.video_frame_pb2 import VideoBufferType, VideoCodec, VideoRotation
+from ._proto.video_frame_pb2 import FrameMetadata, VideoBufferType, VideoCodec, VideoRotation
 from .audio_frame import AudioFrame
 from .audio_source import AudioSource
 from .audio_stream import AudioFrameEvent, AudioStream, NoiseCancellationOptions
@@ -139,9 +140,11 @@
     "StreamState",
     "TrackKind",
     "TrackSource",
+    "PacketTrailerFeature",
     "ParticipantTrackPermission",
     "VideoBufferType",
     "VideoRotation",
+    "FrameMetadata",
     "stats",
     "AudioFrame",
     "AudioSource",