-
Notifications
You must be signed in to change notification settings - Fork 39
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
88f2d4d
commit 12afa23
Showing
5 changed files
with
170 additions
and
18 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /* global webrtcperf */ | ||
|
|
||
| webrtcperf.videoStats = { | ||
| collectedVideos: new Map(), | ||
| bufferedTime: new webrtcperf.MeasuredStats({ ttl: 15 }), | ||
| width: new webrtcperf.MeasuredStats({ ttl: 15 }), | ||
| height: new webrtcperf.MeasuredStats({ ttl: 15 }), | ||
| playingTime: new webrtcperf.MeasuredStats({ ttl: 15 }), | ||
| bufferingTime: new webrtcperf.MeasuredStats({ ttl: 15 }), | ||
| bufferingEvents: new webrtcperf.MeasuredStats({ ttl: 15 }), | ||
|
|
||
| scheduleNext(timeout = 2000) { | ||
| setTimeout(() => { | ||
| try { | ||
| this.update() | ||
| } catch (e) { | ||
| webrtcperf.log('VideoStats error', e) | ||
| } | ||
| }, timeout) | ||
| }, | ||
| watchVideo(video) { | ||
| if (this.collectedVideos.has(video)) return | ||
| webrtcperf.log('VideoStats watchVideo', video) | ||
| const playingTimer = new webrtcperf.Timer() | ||
| const bufferingTimer = new webrtcperf.Timer() | ||
| this.collectedVideos.set(video, { playingTimer, bufferingTimer }) | ||
| video.addEventListener('playing', () => { | ||
| playingTimer.start() | ||
| bufferingTimer.stop() | ||
| }) | ||
| video.addEventListener('waiting', () => { | ||
| playingTimer.stop() | ||
| bufferingTimer.start() | ||
| }) | ||
| }, | ||
| update() { | ||
| const now = Date.now() | ||
| document.querySelectorAll('video').forEach(el => this.watchVideo(el)) | ||
| const entries = Array.from(this.collectedVideos.entries()).filter(([video]) => !!video.src && !video.ended) | ||
| const arrayAverage = cb => | ||
| entries.length | ||
| ? entries.reduce((acc, entry) => { | ||
| return acc + cb(...entry) | ||
| }, 0) / entries.length | ||
| : undefined | ||
|
|
||
| this.bufferedTime.push( | ||
| now, | ||
| arrayAverage(video => { | ||
| if (video.buffered.length) { | ||
| return Math.max(video.buffered.end(video.buffered.length - 1) - video.currentTime, 0) | ||
| } | ||
| return 0 | ||
| }), | ||
| ) | ||
| this.width.push( | ||
| now, | ||
| arrayAverage(video => video.videoWidth), | ||
| ) | ||
| this.height.push( | ||
| now, | ||
| arrayAverage(video => video.videoHeight), | ||
| ) | ||
| this.playingTime.push( | ||
| now, | ||
| arrayAverage((video, stats) => stats.playingTimer.duration), | ||
| ) | ||
| this.bufferingTime.push( | ||
| now, | ||
| arrayAverage((video, stats) => stats.bufferingTimer.duration), | ||
| ) | ||
| this.bufferingEvents.push( | ||
| now, | ||
| arrayAverage((video, stats) => stats.bufferingTimer.startEvents), | ||
| ) | ||
| this.scheduleNext() | ||
| }, | ||
| collect() { | ||
| return { | ||
| bufferedTime: this.bufferedTime.mean(), | ||
| width: this.width.mean(), | ||
| height: this.height.mean(), | ||
| playingTime: this.playingTime.mean(), | ||
| bufferingTime: this.bufferingTime.mean(), | ||
| bufferingEvents: this.bufferingEvents.mean(), | ||
| } | ||
| }, | ||
| } | ||
|
|
||
| window.collectVideoStats = () => webrtcperf.videoStats.collect() | ||
|
|
||
| document.addEventListener('DOMContentLoaded', () => { | ||
| if (webrtcperf.enabledForSession(window.PARAMS?.enableVideoStats)) { | ||
| webrtcperf.videoStats.scheduleNext() | ||
| } | ||
| }) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters