1330963 - Amazon videos can't be played if opened in background tab

Status: RESOLVED WORKSFORME

(Core :: Audio/Video: Playback, defect)

Description

[Simona Badau, Desktop QA]

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:51.0) Gecko/20100101 Firefox/51.0
Build ID: 20170112171116

[Affected versions]:
- Firefox 51 beta 14

[Affected platforms]:
- Windows 10 x64, Ubuntu 16.04, Mac OS X 10.11

[Steps to reproduce]:
1. Navigate to Amazon and sign in
2. In the All Videos section - hover the mouse over an episode and middle click on the Resume button 
3. Wait a couple of seconds for the video to be fully loaded
4. Switch to the tab with the Amazon video opened in step 2

[Expected result]:
- Step 4 - video is properly playing

[Actual result]:
- Step 4- video does not play. Please see the screen cast for more details

[Regression range]:
Last good revision: acfb2c3ac6ae0a704e2756184815296ac1314f89
First bad revision: 7293879d87d780790cb0f67e98226b7d4de6d4e1
Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=acfb2c3ac6ae0a704e2756184815296ac1314f89&tochange=7293879d87d780790cb0f67e98226b7d4de6d4e1

[Additional notes]:
Refreshing the page (hitting F5) solves the problem.

Comment 1

[Simona Badau, Desktop QA]

Attachment: AmazonVideo.mp4

Comment 2

[Chris Pearce [:cpearce (Not reading bugmail)]]

This is working fine for me in Nightly, but not in Beta. There must be something in Nightly which isn't in Beta.

Comment 3

[Chris Pearce [:cpearce (Not reading bugmail)]]

Amazon loaded in a background tab plays in Aurora. So I can confirm that this is Beta only.

Comment 4

[Alastor Wu [:alwu]]

This bug will be fixed after landing bug1331317, we will close the pref on Beta.

Comment 5

[Alastor Wu [:alwu]]

As per comment3 & 4, close this bug.