Firefox/Block autoplay in background: Difference between revisions
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== Background == | == Background == | ||
The Block Playback feature is designed to block media with enabled autoplay if the tabs are opened in the background. Videos which autoplay in the background will now have their load deferred until the tab is visible for the first time.<br> | |||
This avoids autoplay during session restore and premature playback.Resources will still be preloaded but Firefox will delay the start of playback until the tab that contain a video with an enabled autoplay is visited. Once a tab / RenderFrame has ever played media before, it's allowed to continue to autoplay/autoload indefinitely; this is to support playlist type applications.The main advantages of the Block Playback feature is that it prevents obviously user annoyance but also conserves power as Firefox will only consume power once the tab is foregrounded | |||
=Overall Project Health= | =Overall Project Health= | ||
Revision as of 09:29, 6 April 2017
Overview
Background
The Block Playback feature is designed to block media with enabled autoplay if the tabs are opened in the background. Videos which autoplay in the background will now have their load deferred until the tab is visible for the first time.
This avoids autoplay during session restore and premature playback.Resources will still be preloaded but Firefox will delay the start of playback until the tab that contain a video with an enabled autoplay is visited. Once a tab / RenderFrame has ever played media before, it's allowed to continue to autoplay/autoload indefinitely; this is to support playlist type applications.The main advantages of the Block Playback feature is that it prevents obviously user annoyance but also conserves power as Firefox will only consume power once the tab is foregrounded
Overall Project Health
[GREEN, ON TRACK]
- QA has checked 100% of all bugs, bringing 5 more bugs for further clarification and follow-up.
- In total, we have 17 bugs for tracking, 17 out of these 17 bugs are resolved, representing a 100% completion rate.
Target Milestone
Firefox54
Engineering Project Manager
Rachelle Yang
Engineer Owner
Alastor Wu
UX designers
Mark Liang
QA Contact
- Emil Ghitta (irc: emilghitta) - QA Lead
- Bogdan Maris (irc: bogdan_maris) - QA peer
- Simona Badau (irc: simonab) - QA
MVP Scope-Bug Tracking
- bug 1308154 -[meta] Block autoplay media until the tab is visible at first time
| ID | Priority | Summary | Status | Resolution | Assigned to | Last change time |
|---|---|---|---|---|---|---|
| 1262053 | P3 | Block playback of media until document is visible | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-06-20T06:08:50Z |
| 1302350 | P3 | Refactor the block-media-element feature. | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:26:25Z |
| 1308153 | P3 | Implement the new UX visual mechanism for blocking autoplay media | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:27:08Z |
| 1308399 | P3 | [UX] UX Spec for Delay Autoplay | RESOLVED | FIXED | Mark Liang(:mark_liang) | 2019-01-23T22:24:56Z |
| 1314220 | -- | Add the Telemetry for blocking autoplay media | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-01-12T09:18:26Z |
| 1319526 | -- | Media autoplay blocking icon has the wrong tooltip | RESOLVED | WORKSFORME | 2017-03-05T16:28:21Z | |
| 1319529 | -- | The unblocking icon didn't be hided when resuming Flash | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:28:12Z |
| 1319771 | -- | If the pinned tab is the first tab in the tab list, the media won't be blocked after browser restarts | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:27:31Z |
| 1320005 | -- | Don't show 'play tab' icon for video without audio track | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:26:57Z |
| 1322505 | P1 | Don't resume the video after calling video.pause() | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-06-13T20:15:56Z |
| 1328058 | -- | Tab displays "play" button or sound indicator when the only media element is playing and has no sound | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-14T16:14:07Z |
| 1329170 | P3 | Play Tab indicator looks pixelated in pinned tabs | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-02T10:01:00Z |
| 1329179 | -- | Play Tab indicator is displayed on a foreground tab | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-02-07T11:28:26Z |
| 1330195 | -- | The audio indicator doesn't work for flash on Linux | RESOLVED | DUPLICATE | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:29:08Z |
| 1330232 | -- | Blocked media was resumed with sound when user click "mute tab" in the pop-up menu | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:27:49Z |
| 1330644 | -- | No indications that a video with no audio track is blocked | RESOLVED | WONTFIX | 2017-01-16T07:34:32Z | |
| 1330681 | -- | Play tab indicator has no hover state in pinned tabs | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-02-21T15:21:32Z |
| 1330929 | -- | Play tab icon not displayed for certain plugins | RESOLVED | WORKSFORME | 2017-03-05T16:23:29Z | |
| 1331317 | -- | Only enable pref "media.block-autoplay-until-in-foreground" on Nightly | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-01-18T10:56:51Z |
| 1336309 | -- | Modify the access key for "play tab" option | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-05T16:27:36Z |
| 1337232 | -- | Enable pref "media.block-autoplay-until-in-foreground" by default | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-13T13:37:54Z |
| 1337704 | -- | Flickery transition between tabs indicators (play tab -> sound) | RESOLVED | WONTFIX | 2017-02-09T02:45:31Z | |
| 1338137 | P1 | If the first tab is pinned and muted - media is not blocked after browser restart | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-04-24T13:24:36Z |
| 1338145 | -- | Social media: notification inconsistent behavior (Play tab indicator + sound) | RESOLVED | INVALID | 2017-02-14T06:48:16Z | |
| 1343465 | -- | The tab should show the "play tab" icon even the tab was muted. | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-03-09T19:33:37Z |
| 1345947 | P1 | The blocked autoplay media icon appears for tabs that I've seen before | RESOLVED | DUPLICATE | Alastor Wu [:alwu][PTO until March 2nd] | 2017-07-01T16:32:38Z |
| 1347758 | P1 | HTML5 video/audio doesn't play if node was removed in background tab | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-04-06T11:10:53Z |
| 1347791 | -- | The pinned tab shows play tab icon every time when restarts browser | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2018-04-24T15:51:33Z |
| 1348326 | P1 | BBC video/audio fails to load after focusing the video’s tab | RESOLVED | WORKSFORME | Alastor Wu [:alwu][PTO until March 2nd] | 2017-05-02T15:07:34Z |
| 1348759 | -- | The video/audio on be-at.tv is not working as expected after focusing the video's tab | RESOLVED | DUPLICATE | Alastor Wu [:alwu][PTO until March 2nd] | 2017-05-31T20:43:48Z |
| 1348859 | -- | Focusing an opened Facebook game tab no longer outputs the audio | RESOLVED | DUPLICATE | Alastor Wu [:alwu][PTO until March 2nd] | 2017-05-31T20:33:16Z |
| 1348879 | -- | Playbutton not visible when opening a video from givemesport.com in a new tab | RESOLVED | DUPLICATE | 2017-05-31T20:37:01Z | |
| 1348909 | -- | Focusing the Web Skype tab while being called does not output the call audio | RESOLVED | DUPLICATE | 2017-05-31T20:42:47Z | |
| 1349202 | -- | Block Playback feature is not working as intended on several websites | RESOLVED | DUPLICATE | 2017-04-06T03:08:44Z | |
| 1350947 | -- | Postpone loading NPAPI Flash content until the tab is resumed | RESOLVED | WONTFIX | Alastor Wu [:alwu][PTO until March 2nd] | 2022-05-16T19:51:10Z |
| 1352014 | -- | Add the flag "RELEASE_OR_BETA" for the pref "media.block-autoplay-until-in-foreground" | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2017-04-04T03:03:58Z |
| 1358211 | -- | Blocking autoplay for background tabs (bug 1308154) is breaking twitter videos | RESOLVED | WORKSFORME | 2017-05-20T04:24:26Z | |
| 1367356 | -- | Add telemetry to measure how many Flash contents are blocked by blocking autoplay media | RESOLVED | WONTFIX | Alastor Wu [:alwu][PTO until March 2nd] | 2022-05-16T19:51:10Z |
| 1378105 | P3 | Media is not blocked for previously unfocused closed tabs after restoring them from the History menu | RESOLVED | WORKSFORME | 2024-09-05T09:14:48Z | |
| 1387917 | -- | Turn on the pref "media.block-autoplay-until-in-foreground" by default | RESOLVED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2018-01-09T02:30:35Z |
| 1394455 | P1 | [e10s] Media is unblocked while hovering an unfocused tab | VERIFIED | FIXED | Mike Conley (:mconley) (:⚙️) | 2018-07-11T16:24:55Z |
| 1572798 | P2 | Video element created using document.open() doesn't work | RESOLVED | FIXED | Emilio Cobos Álvarez [:emilio] | 2021-01-26T15:57:25Z |
| 1611748 | P3 | video does not play in a dynamically created iframe (friendly) | RESOLVED | WORKSFORME | Alastor Wu [:alwu][PTO until March 2nd] | 2021-02-12T21:53:33Z |
| 1684876 | -- | "Mute Tab" sometimes starts playing the tab's video, with sound | RESOLVED | FIXED | kz04px | 2021-10-26T21:46:51Z |
| 1685163 | P3 | MediaStreamTrack freezes when played in opened popup (used to work if visiting fullscreen) | RESOLVED | WORKSFORME | Alastor Wu [:alwu][PTO until March 2nd] | 2021-02-12T21:54:44Z |
| 1733902 | P3 | Autoplay fails if the player is switched in a background tab | VERIFIED | FIXED | Alastor Wu [:alwu][PTO until March 2nd] | 2022-01-10T11:08:29Z |
46 Total; 0 Open (0%); 30 Resolved (65.22%); 16 Verified (34.78%);
- bug 1350869 -Bug 1350869 -[QA] Block Playback feature tracking bug
7 Total; 0 Open (0%); 7 Resolved (100%); 0 Verified (0%);
UX Spec
- UX Spec: UX Spec
- UX Bug reference:Bug 1308399
Signoff-Report
Signoff-Report Summary
- Mid- Auroa Signoff- RED *
- Recommendation : DON'T SHIP IT.( Targeted GA: Firefox 54 - June 13, 2017)
- Testing status: COMPLETED (100%).
- 4 passed (9%), 0 blocked (0%), 0 failed with known bugs (0%), 40 failed with new bugs (91%)
Signoff-Report Details
- Proposed course of action: fix 1347758, 1349201 and 1349202 in order to make this feature eligible for shipping with Fx54.
- New bugs uncovered during sign off: https://mzl.la/2nwWIIh.
- Reason: 91% of our tests failed with a total of 7 bugs - https://mzl.la/2nwWIIh.
- Bug 1347758 - HTML5 video/audio doesn't play if node was removed in background tab –> RESOLVED FIXED, 03/24 landed on Firefox55.
- Bug 1349201 - Mute button is not working on several websites–> –> RESOLVED WORKSFORME, 03/21
- Bug 1349202 - Block Playback feature is not working as intended on several websites–: Duplicate of Bug 1347758
- Bug 1350869 - [QA] Block Playback feature tracking bug
Test Case and Test plan
- Softvision Test Plan : TestPlan