The frame's bytes: raw audio samples, or one encoded video frame (for example a JPEG image).
The media plane the frame belongs to.
OptionalMimeThe frame's format, for example 'audio/pcm;rate=16000' or 'image/jpeg'. When absent, an
audio frame is in the session's declared input format (IRealtimeSession.AudioFormat); a
video frame with no type cannot be sent by a driver that needs one, and is dropped.
OptionalTimestampEpoch-millisecond capture time, when the host knows it.
One frame of media a host streams into a realtime session through IRealtimeSession.SendInput.