1328057 - Sound indicator isn't displayed if I enable sound after starting the audio/video

Status: RESOLVED INCOMPLETE

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

Description

[arni2033]

>>>   My Info:   Win7_64, Nightly 52, 32bit, ID 20161028030204 (2016-10-28)
STR_1:
1. Open https://www.iandevlin.com/html5test/webvtt/html5-video-webvtt-sample.html
2. Open the video in a new tab
3. Pause video. Mute video. Play video. Unmute video

AR:  Video plays w/ sound, but no sound indicator
ER:  Sound indicator


STR_2:
1. Open https://www.iandevlin.com/html5test/webvtt/html5-video-webvtt-sample.html
2. Execute code [1] in web console or Scratchpad

[1]
video = document.querySelector("video");
video.play();
setTimeout(function(){
  video.pause();   
  video.volume=0;  
  video.play();    
  video.volume=1;  
},1000);


This is regression from bug 1288971. Regression range:
> https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=f60ec9e34d4d34958ff64d573862474dac8c0a6f&tochange=cf3d0b086060c8b81a3a5c9c33745e65e0096121@ Alastor Wu [:alwu]:
It seems that this is a regresion caused by your change. Please have a look.

Comment 1

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

What version of Firefox does this occur in? I can't repro it in nightly.

Comment 2

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

Can someone in QA repro this issue?