getUserMedia for Firefox OS

问题:

It was said that getUserMedia would land on Firefox OS 1.2. I have read the documentation and tried to look for it in the Google Groups, but I have not found anything related to it.

I have developed a web app that works on Firefox Nightly (so, it works in Gecko):

But when I try to use it in Firefox OS 1.4, I get a "Permission denied" error:

I have tried to add the following permission to the manifest:

  "permissions":{
    "camera":{}
  }

But didn't solve the problem. Is there any other permission that I would need to add?

回答1:

getUserMedia support for the microphone landed in FxOS v1.2. getUserMedia support for the camera just landed on trunk (v1.4) about a week ago. The final piece to land was support for permission prompts : bug 853356 in bugzilla.mozilla.org (https://bugzilla.mozilla.org/show_bug.cgi?id=853356). Prior to a week ago, you would have gotten a permission error.

Currently the camera always returns frames in landscape mode. Bug 970183 (https://bugzilla.mozilla.org/show_bug.cgi?id=970183) tracks that problem, and we're actively working to land a fix for this ASAP.

回答2:

you need add video-capture permissions in manifest.webapp in 1.4 for getUserMedia video, and audio-capture permissions in manifest.webapp in 1.2 for getUserMedia audio, ex:

  "permissions": {
    "audio-capture": {},
    "video-capture": {}
  }