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8cc6695652
After recently changing .pylintrc (see [1]) we discovered that the presubmit check always checks all the python files when just one python file gets updated. This CL moves all these files one step closer to what the linter wants. Autogenerated with: # Added all the files under pylint control to ~/Desktop/to-reformat cat ~/Desktop/to-reformat | xargs sed -i '1i\\' git cl format --python --full This is part 1 out of 2. The second part will fix function names and will not be automated. [1] - https://webrtc-review.googlesource.com/c/src/+/186664 No-Presubmit: True Bug: webrtc:12114 Change-Id: Idfec4d759f209a2090440d0af2413a1ddc01b841 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/190980 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32530}
51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
# Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""Parses protobuf RTC dumps."""
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from __future__ import division
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import struct
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import pyproto.logging.rtc_event_log.rtc_event_log_pb2 as rtc_pb
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class DataPoint(object):
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"""Simple container class for RTP events."""
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def __init__(self, rtp_header_str, packet_size, arrival_timestamp_us,
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incoming):
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"""Builds a data point by parsing an RTP header, size and arrival time.
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RTP header structure is defined in RFC 3550 section 5.1.
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"""
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self.size = packet_size
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self.arrival_timestamp_ms = arrival_timestamp_us / 1000
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self.incoming = incoming
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header = struct.unpack_from("!HHII", rtp_header_str, 0)
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(first2header_bytes, self.sequence_number, self.timestamp,
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self.ssrc) = header
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self.payload_type = first2header_bytes & 0b01111111
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self.marker_bit = (first2header_bytes & 0b10000000) >> 7
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def ParseProtobuf(file_path):
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"""Parses RTC event log from protobuf file.
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Args:
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file_path: path to protobuf file of RTC event stream
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Returns:
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all RTP packet events from the event stream as a list of DataPoints
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"""
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event_stream = rtc_pb.EventStream()
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with open(file_path, "rb") as f:
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event_stream.ParseFromString(f.read())
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return [
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DataPoint(event.rtp_packet.header, event.rtp_packet.packet_length,
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event.timestamp_us, event.rtp_packet.incoming)
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for event in event_stream.stream if event.HasField("rtp_packet")
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]
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