From 18f9b185b67120ba88f5e643b7413ca06c497383 Mon Sep 17 00:00:00 2001
From: Jeroen Vreeken <jeroen@vreeken.net>
Date: Wed, 10 Jul 2019 11:05:38 +0200
Subject: Allow matroska mime types for video element and MSE Allow avc (h.264)
 content in matroska/webm containers

---
 dom/media/mediasource/MediaSource.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'dom/media/mediasource/MediaSource.cpp')

diff --git a/dom/media/mediasource/MediaSource.cpp b/dom/media/mediasource/MediaSource.cpp
index 152c0085a..a262ff52c 100644
--- a/dom/media/mediasource/MediaSource.cpp
+++ b/dom/media/mediasource/MediaSource.cpp
@@ -110,7 +110,8 @@ MediaSource::IsTypeSupported(const nsAString& aType, DecoderDoctorDiagnostics* a
     }
     return NS_OK;
   }
-  if (mimeType.EqualsASCII("video/webm")) {
+  if (mimeType.EqualsASCII("video/webm") ||
+      mimeType.EqualsASCII("video/x-matroska")) {
     if (!(Preferences::GetBool("media.mediasource.webm.enabled", false) ||
           IsWebMForced(aDiagnostics))) {
       return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
-- 
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