1426550 - Audio/Volume API changes in Windows build 17063 broke Firefox audio support.

Status: RESOLVED DUPLICATE of bug 1426719

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

Description

[darklucem]

Attachment: explorer_2017-12-20_18-15-33.png

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0
Build ID: 20171206182557

Steps to reproduce:

Load up a youtube video and turned volume to max. Microsoft has provided more info about the change, I attached a screenshot of their official response via their feedback hub.  


Actual results:

Video playback is fine, but with no audio.


Expected results:

Audio output.

Comment 1

[Masatoshi Kimura [:emk]]

https://dxr.mozilla.org/mozilla-central/rev/1624b88874765bf57e9feba176d30149c748d9d2/media/libcubeb/src/cubeb_wasapi.cpp#1161
>  hr = stm->audio_stream_volume->SetAllVolumes(channels,  volumes);
>  if (hr != S_OK) {

This should be
  if (FAILED(hr)) {
, I guess.