From 31addeaac8841867008699478ef55e1c1b3d68a7 Mon Sep 17 00:00:00 2001
From: Jeroen Vreeken <jeroen@vreeken.net>
Date: Thu, 11 Jul 2019 16:36:22 +0200
Subject: Make matroska mime type checking more consistent.

---
 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 a262ff52c..1c276cdc1 100644
--- a/dom/media/mediasource/MediaSource.cpp
+++ b/dom/media/mediasource/MediaSource.cpp
@@ -118,7 +118,8 @@ MediaSource::IsTypeSupported(const nsAString& aType, DecoderDoctorDiagnostics* a
     }
     return NS_OK;
   }
-  if (mimeType.EqualsASCII("audio/webm")) {
+  if (mimeType.EqualsASCII("audio/webm") ||
+      mimeType.EqualsASCII("audio/x-matroska")) {
     if (!(Preferences::GetBool("media.mediasource.webm.enabled", false) ||
           Preferences::GetBool("media.mediasource.webm.audio.enabled", true))) {
       return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
-- 
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