# How to build Firefox with only mozilla-central/source/media?

**URL:** <https://discourse.mozilla.org/t/how-to-build-firefox-with-only-mozilla-central-source-media/67871>\
**Category:** Firefox Development\
**Created:** [September 21, 2020, 2:16am UTC](https://discourse.mozilla.org/t/how-to-build-firefox-with-only-mozilla-central-source-media/67871 "2020-09-21T02:16:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![guest271314](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/guest271314/32/29915_2.png) [@guest271314](https://discourse.mozilla.org/u/guest271314)\
**Post date:** [September 21, 2020, 2:16am UTC](https://discourse.mozilla.org/t/how-to-build-firefox-with-only-mozilla-central-source-media/67871/1 "2020-09-21T02:16:57Z")

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How to build Firefox with only [https://searchfox.org/mozilla-central/source/media](https://searchfox.org/mozilla-central/source/media) for the purpose of using Firefox as a standalone application for `navigator.mediaDevice.getUserMedia()` implementation and WebRTC functionality?