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Bug 1238433: Added telemtry for the proportion of frames dropped during playback. r=cpearce

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This commit is contained in:
Louis Christie 2016-02-12 10:02:00 +13:00
parent d1637aa02a
commit bd3e358413
2 changed files with 23 additions and 0 deletions
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14
dom/html/HTMLMediaElement.cpp
View File

@ -108,6 +108,9 @@ static mozilla::LazyLogModule gMediaElementEventsLog("nsMediaElementEvents");
#include "mozilla/EventStateManager.h"
#include "mozilla/dom/HTMLVideoElement.h"
#include "mozilla/dom/VideoPlaybackQuality.h"
using namespace mozilla::layers;
using mozilla::net::nsMediaFragmentURIParser;
@ -2701,6 +2704,17 @@ HTMLMediaElement::ReportMSETelemetry()
}
}
if (HTMLVideoElement* vid = HTMLVideoElement::FromContentOrNull(this)) {
RefPtr<VideoPlaybackQuality> quality = vid->GetVideoPlaybackQuality();
uint64_t totalFrames = quality->TotalVideoFrames();
uint64_t droppedFrames = quality->DroppedVideoFrames();
uint32_t percentage = 100 * droppedFrames / totalFrames;
LOG(LogLevel::Debug,
("Reporting telemetry DROPPED_FRAMES_IN_VIDEO_PLAYBACK"));
Telemetry::Accumulate(Telemetry::VIDEO_DROPPED_FRAMES_PROPORTION,
percentage);
}
Telemetry::Accumulate(Telemetry::VIDEO_MSE_UNLOAD_STATE, state);
LOG(LogLevel::Debug, ("%p VIDEO_MSE_UNLOAD_STATE = %d", this, state));

9
toolkit/components/telemetry/Histograms.json
View File

@ -10201,6 +10201,15 @@
"kind": "count",
"description": "Uses of HTMLMediaElement.fastSeek"
},
"VIDEO_DROPPED_FRAMES_PROPORTION" : {
"alert_emails": ["lchristie@mozilla.com", "cpearce@mozilla.com"],
"expires_in_version": "55",
"kind": "linear",
"high": "100",
"n_buckets": 101,
"bug_numbers": [1238433],
"description": "Percentage of frames decoded frames dropped in an HTMLVideoElement"
},
"TAB_SWITCH_CACHE_POSITION": {
"expires_in_version": "55",
"bug_numbers": [1242013],