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/ContainerParser.cpp     | 3 +++
 dom/media/mediasource/MediaSource.cpp         | 3 ++-
 dom/media/mediasource/TrackBuffersManager.cpp | 1 +
 3 files changed, 6 insertions(+), 1 deletion(-)

(limited to 'dom/media/mediasource')

diff --git a/dom/media/mediasource/ContainerParser.cpp b/dom/media/mediasource/ContainerParser.cpp
index 4ae37d7e9..46f2e9557 100644
--- a/dom/media/mediasource/ContainerParser.cpp
+++ b/dom/media/mediasource/ContainerParser.cpp
@@ -697,6 +697,9 @@ ContainerParser::CreateForMIMEType(const nsACString& aType)
   if (aType.LowerCaseEqualsLiteral("video/webm") || aType.LowerCaseEqualsLiteral("audio/webm")) {
     return new WebMContainerParser(aType);
   }
+  if (aType.LowerCaseEqualsLiteral("video/x-matroska")) {
+    return new WebMContainerParser(aType);
+  }
 
 #ifdef MOZ_FMP4
   if (aType.LowerCaseEqualsLiteral("video/mp4") || aType.LowerCaseEqualsLiteral("audio/mp4")) {
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;
diff --git a/dom/media/mediasource/TrackBuffersManager.cpp b/dom/media/mediasource/TrackBuffersManager.cpp
index ac6d82411..3a6f2a5c8 100644
--- a/dom/media/mediasource/TrackBuffersManager.cpp
+++ b/dom/media/mediasource/TrackBuffersManager.cpp
@@ -814,6 +814,7 @@ TrackBuffersManager::CreateDemuxerforMIMEType()
   ShutdownDemuxers();
 
   if (mType.LowerCaseEqualsLiteral("video/webm") ||
+      mType.LowerCaseEqualsLiteral("video/x-matroska") ||
       mType.LowerCaseEqualsLiteral("audio/webm")) {
     mInputDemuxer = new WebMDemuxer(mCurrentInputBuffer, true /* IsMediaSource*/ );
     return;
-- 
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