1 2<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 3<html><head><title>Python: module telemetry.web_perf.metrics.webrtc_rendering_timeline</title> 4<meta charset="utf-8"> 5</head><body bgcolor="#f0f0f8"> 6 7<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading"> 8<tr bgcolor="#7799ee"> 9<td valign=bottom> <br> 10<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.web_perf.html"><font color="#ffffff">web_perf</font></a>.<a href="telemetry.web_perf.metrics.html"><font color="#ffffff">metrics</font></a>.webrtc_rendering_timeline</strong></big></big></font></td 11><td align=right valign=bottom 12><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="/telemetry/web_perf/metrics/webrtc_rendering_timeline.py">telemetry/web_perf/metrics/webrtc_rendering_timeline.py</a></font></td></tr></table> 13 <p><tt># Copyright 2015 The Chromium Authors. All rights reserved.<br> 14# Use of this source code is governed by a BSD-style license that can be<br> 15# found in the LICENSE file.</tt></p> 16<p> 17<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 18<tr bgcolor="#aa55cc"> 19<td colspan=3 valign=bottom> <br> 20<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr> 21 22<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td> 23<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="telemetry.value.improvement_direction.html">telemetry.value.improvement_direction</a><br> 24<a href="telemetry.value.list_of_scalar_values.html">telemetry.value.list_of_scalar_values</a><br> 25</td><td width="25%" valign=top><a href="telemetry.value.scalar.html">telemetry.value.scalar</a><br> 26<a href="telemetry.web_perf.metrics.webrtc_rendering_stats.html">telemetry.web_perf.metrics.webrtc_rendering_stats</a><br> 27</td><td width="25%" valign=top><a href="telemetry.web_perf.metrics.timeline_based_metric.html">telemetry.web_perf.metrics.timeline_based_metric</a><br> 28</td><td width="25%" valign=top></td></tr></table></td></tr></table><p> 29<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 30<tr bgcolor="#ee77aa"> 31<td colspan=3 valign=bottom> <br> 32<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr> 33 34<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td> 35<td width="100%"><dl> 36<dt><font face="helvetica, arial"><a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>(<a href="__builtin__.html#object">__builtin__.object</a>) 37</font></dt><dd> 38<dl> 39<dt><font face="helvetica, arial"><a href="telemetry.web_perf.metrics.webrtc_rendering_timeline.html#WebRtcRenderingTimelineMetric">WebRtcRenderingTimelineMetric</a> 40</font></dt></dl> 41</dd> 42</dl> 43 <p> 44<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 45<tr bgcolor="#ffc8d8"> 46<td colspan=3 valign=bottom> <br> 47<font color="#000000" face="helvetica, arial"><a name="WebRtcRenderingTimelineMetric">class <strong>WebRtcRenderingTimelineMetric</strong></a>(<a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>)</font></td></tr> 48 49<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> 50<td colspan=2><tt>WebrtcRenderingTimelineMetric calculates metric for WebMediaPlayerMS.<br> 51 <br> 52The following metrics are added to the results:<br> 53 WebRTCRendering_drift_time us<br> 54 WebRTCRendering_percent_badly_out_of_sync %<br> 55 WebRTCRendering_percent_out_of_sync %<br> 56 WebRTCRendering_fps FPS<br> 57 WebRTCRendering_smoothness_score %<br> 58 WebRTCRendering_freezing_score %<br> 59 WebRTCRendering_rendering_length_error %<br> </tt></td></tr> 60<tr><td> </td> 61<td width="100%"><dl><dt>Method resolution order:</dt> 62<dd><a href="telemetry.web_perf.metrics.webrtc_rendering_timeline.html#WebRtcRenderingTimelineMetric">WebRtcRenderingTimelineMetric</a></dd> 63<dd><a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a></dd> 64<dd><a href="__builtin__.html#object">__builtin__.object</a></dd> 65</dl> 66<hr> 67Methods defined here:<br> 68<dl><dt><a name="WebRtcRenderingTimelineMetric-AddResults"><strong>AddResults</strong></a>(self, model, renderer_thread, interactions, results)</dt><dd><tt>Adding metrics to the results.</tt></dd></dl> 69 70<dl><dt><a name="WebRtcRenderingTimelineMetric-__init__"><strong>__init__</strong></a>(self)</dt></dl> 71 72<hr> 73Static methods defined here:<br> 74<dl><dt><a name="WebRtcRenderingTimelineMetric-IsMediaPlayerMSEvent"><strong>IsMediaPlayerMSEvent</strong></a>(event)</dt><dd><tt>Verify that the event is a webmediaplayerMS event.</tt></dd></dl> 75 76<hr> 77Methods inherited from <a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>:<br> 78<dl><dt><a name="WebRtcRenderingTimelineMetric-AddWholeTraceResults"><strong>AddWholeTraceResults</strong></a>(self, model, results)</dt><dd><tt>Computes and adds metrics corresponding to the entire trace.<br> 79 <br> 80Override this method to compute results that correspond to the whole trace.<br> 81 <br> 82Args:<br> 83 model: An instance of telemetry.timeline.model.TimelineModel.<br> 84 results: An instance of page.PageTestResults.</tt></dd></dl> 85 86<dl><dt><a name="WebRtcRenderingTimelineMetric-VerifyNonOverlappedRecords"><strong>VerifyNonOverlappedRecords</strong></a>(self, interaction_records)</dt><dd><tt>This raises exceptions if interaction_records contain overlapped ranges.</tt></dd></dl> 87 88<hr> 89Data descriptors inherited from <a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>:<br> 90<dl><dt><strong>__dict__</strong></dt> 91<dd><tt>dictionary for instance variables (if defined)</tt></dd> 92</dl> 93<dl><dt><strong>__weakref__</strong></dt> 94<dd><tt>list of weak references to the object (if defined)</tt></dd> 95</dl> 96</td></tr></table></td></tr></table><p> 97<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 98<tr bgcolor="#55aa55"> 99<td colspan=3 valign=bottom> <br> 100<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr> 101 102<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td> 103<td width="100%"><strong>WEB_MEDIA_PLAYER_MS_EVENT</strong> = 'WebMediaPlayerMS::UpdateCurrentFrame'</td></tr></table> 104</body></html>