From 497a73fa07e3b6d62e009abbe85d057c6f0a778c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?I=C3=B1aki=20Baz=20Castillo?= <ibc@aliax.net>
Date: Tue, 15 Dec 2015 13:52:56 +0100
Subject: [PATCH] getUserMedia(): invoke errback if video constraints were not
 satisfied (related to #107)

---
 src/PluginGetUserMedia.swift | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/PluginGetUserMedia.swift b/src/PluginGetUserMedia.swift
index ad48f89d..a2c76ffa 100644
--- a/src/PluginGetUserMedia.swift
+++ b/src/PluginGetUserMedia.swift
@@ -147,6 +147,15 @@ class PluginGetUserMedia {
 				constraints: constraints
 			)
 
+			// If videoSource state is "ended" it means that constraints were not satisfied so
+			// invoke the given errback
+			if (rtcVideoSource!.state == RTCSourceStateEnded) {
+				NSLog("PluginGetUserMedia() | rtcVideoSource.state is 'ended', constraints not satisfied")
+
+				errback(error: "constraints not satisfied")
+				return
+			}
+
 			rtcVideoTrack = self.rtcPeerConnectionFactory.videoTrackWithID(NSUUID().UUIDString,
 				source: rtcVideoSource
 			)