Get the body of msg. buffer remains valid for as long as msg is valid and
unchanged.
If body data was set from raw memory instead of a #GstBuffer this function
will always return null. The caller can check if there is a body buffer by
calling gstrtsp.rtspmessage.RTSPMessage.hasBodyBuffer.
Get the body of msg. buffer remains valid for as long as msg is valid and unchanged.
If body data was set from raw memory instead of a #GstBuffer this function will always return null. The caller can check if there is a body buffer by calling gstrtsp.rtspmessage.RTSPMessage.hasBodyBuffer.