From d57c2f5157a9bc521c67755939b4857d31ce41e0 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael@signal.org>
Date: Tue, 4 Sep 2018 13:41:21 -0600
Subject: [PATCH] enable sw decoders

---
 Signal/src/call/PeerConnectionClient.swift | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Signal/src/call/PeerConnectionClient.swift b/Signal/src/call/PeerConnectionClient.swift
index 8cc58971a..324803d1e 100644
--- a/Signal/src/call/PeerConnectionClient.swift
+++ b/Signal/src/call/PeerConnectionClient.swift
@@ -218,7 +218,7 @@ class PeerConnectionClient: NSObject, RTCPeerConnectionDelegate, RTCDataChannelD
     private let iceServers: [RTCIceServer]
     private let connectionConstraints: RTCMediaConstraints
     private let configuration: RTCConfiguration
-    private let factory = RTCPeerConnectionFactory()
+    private let factory: RTCPeerConnectionFactory
 
     // DataChannel
 
@@ -254,6 +254,12 @@ class PeerConnectionClient: NSObject, RTCPeerConnectionDelegate, RTCDataChannelD
         self.iceServers = iceServers
         self.delegate = delegate
 
+        // Ensure we enable SW decoders to enable VP8 support
+        let decoderFactory = RTCDefaultVideoDecoderFactory()
+        let encoderFactory = RTCDefaultVideoEncoderFactory()
+        let factory = RTCPeerConnectionFactory(encoderFactory: encoderFactory, decoderFactory: decoderFactory)
+
+        self.factory = factory
         configuration = RTCConfiguration()
         configuration.iceServers = iceServers
         configuration.bundlePolicy = .maxBundle