old_contents: #  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  #
  #  Use of this source code is governed by a BSD-style license
  #  that can be found in the LICENSE file in the root of the source
  #  tree. An additional intellectual property rights grant can be found
  #  in the file PATENTS.  All contributing project authors may
  #  be found in the AUTHORS file in the root of the source tree.
  
  """Parses protobuf RTC dumps."""
  
  from __future__ import division
  import struct
  import pyproto.webrtc.logging.rtc_event_log.rtc_event_log_pb2 as rtc_pb
  
  
  class DataPoint(object):
    """Simple container class for RTP events."""
  
    def __init__(self, rtp_header_str, packet_size,
                 arrival_timestamp_us, incoming):
      """Builds a data point by parsing an RTP header, size and arrival time.
  
      RTP header structure is defined in RFC 3550 section 5.1.
      """
      self.size = packet_size
      self.arrival_timestamp_ms = arrival_timestamp_us / 1000
      self.incoming = incoming
      header = struct.unpack_from("!HHII", rtp_header_str, 0)
      (first2header_bytes, self.sequence_number, self.timestamp,
       self.ssrc) = header
      self.payload_type = first2header_bytes & 0b01111111
      self.marker_bit = (first2header_bytes & 0b10000000) >> 7
  
  
  def ParseProtobuf(file_path):
    """Parses RTC event log from protobuf file.
  
    Args:
         file_path: path to protobuf file of RTC event stream
  
    Returns:
      all RTP packet events from the event stream as a list of DataPoints
    """
    event_stream = rtc_pb.EventStream()
    with open(file_path, "rb") as f:
      event_stream.ParseFromString(f.read())
  
    return [DataPoint(event.rtp_packet.header,
                      event.rtp_packet.packet_length,
                      event.timestamp_us, event.rtp_packet.incoming)
            for event in event_stream.stream
            if event.HasField("rtp_packet")]
  
new_contents: #  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  #
  #  Use of this source code is governed by a BSD-style license
  #  that can be found in the LICENSE file in the root of the source
  #  tree. An additional intellectual property rights grant can be found
  #  in the file PATENTS.  All contributing project authors may
  #  be found in the AUTHORS file in the root of the source tree.
  
  """Parses protobuf RTC dumps."""
  
  from __future__ import division
  import struct
  import pyproto.logging.rtc_event_log.rtc_event_log_pb2 as rtc_pb
  
  
  class DataPoint(object):
    """Simple container class for RTP events."""
  
    def __init__(self, rtp_header_str, packet_size,
                 arrival_timestamp_us, incoming):
      """Builds a data point by parsing an RTP header, size and arrival time.
  
      RTP header structure is defined in RFC 3550 section 5.1.
      """
      self.size = packet_size
      self.arrival_timestamp_ms = arrival_timestamp_us / 1000
      self.incoming = incoming
      header = struct.unpack_from("!HHII", rtp_header_str, 0)
      (first2header_bytes, self.sequence_number, self.timestamp,
       self.ssrc) = header
      self.payload_type = first2header_bytes & 0b01111111
      self.marker_bit = (first2header_bytes & 0b10000000) >> 7
  
  
  def ParseProtobuf(file_path):
    """Parses RTC event log from protobuf file.
  
    Args:
         file_path: path to protobuf file of RTC event stream
  
    Returns:
      all RTP packet events from the event stream as a list of DataPoints
    """
    event_stream = rtc_pb.EventStream()
    with open(file_path, "rb") as f:
      event_stream.ParseFromString(f.read())
  
    return [DataPoint(event.rtp_packet.header,
                      event.rtp_packet.packet_length,
                      event.timestamp_us, event.rtp_packet.incoming)
            for event in event_stream.stream
            if event.HasField("rtp_packet")]
  
subject: Fix path to proto in py_event_log_analyzer/pb_parse.py