1107504 - Web Audio Gain node value property is not updated after being set

Status: RESOLVED DUPLICATE of bug 893020

(Core :: Web Audio, defect)

Description

[jip]

Attachment: file included for easier debugging, same as http://jsfiddle.net/nvkow6r8/6

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:33.0) Gecko/20100101 Firefox/33.0
Build ID: 20141113143407

Steps to reproduce:

Open http://jsfiddle.net/nvkow6r8/6/ and click on "Run" (top).

Then click on the volume slider, first on the left side, then on the right side.


Actual results:

If you click on the left part of the slider, the volume is going to 0 in 1 second, as expected. But If you then click on the right, the volume is jumping to 1.


Expected results:

The audio gain should go to the value in 1 second, like in Chrome, and Safari. I tried with Firefox 33, and 35. It seems that the value oceanGain.gain.value, which is used to set the beginning of the ramp, is never updated. As a side problem, the debugger freezes Firefox for a while when there is a breakpoint within the function changeVolume, but it will resume (and stop sound) eventually. It is the same without any breakpoint, oceanGain.gain.value is always the initial value.

Comment 1

[jip]

Attachment does not work on-line. I do not know why.

Comment 2

[jip]

Thank you for moving the bug to the correct section... Now I see that it might be a duplicate of Bug #893020

Comment 3

[Paul Adenot (:padenot)]

Fixed by bug 1106649.

Comment 4

[Karl Tomlinson (:karlt)]

There is no OscillatorNode here, so I suspect comment 3 was accidentally made on the wrong bug.

Comment 5

[Paul Adenot (:padenot)]

Woops yes, this is a correct dupe though.