Add m-esr52 at 52.6.0

1 files changed, 60 insertions, 0 deletions

diff --git a/dom/media/MediaContentType.cpp b/dom/media/MediaContentType.cpp
new file mode 100644
index 000000000..840ab9eb8
--- /dev/null
+++ b/dom/media/MediaContentType.cpp
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "MediaContentType.h"
+
+#include "nsContentTypeParser.h"
+
+namespace mozilla {
+
+MediaContentType::MediaContentType(const nsAString& aType)
+{
+  Populate(aType);
+}
+
+MediaContentType::MediaContentType(const nsACString& aType)
+{
+  NS_ConvertUTF8toUTF16 typeUTF16(aType);
+  Populate(typeUTF16);
+}
+
+static int32_t
+GetParameterAsNumber(const nsContentTypeParser& aParser,
+                     const char* aParameter,
+                     const int32_t aErrorReturn)
+{
+  nsAutoString parameterString;
+  nsresult rv = aParser.GetParameter(aParameter, parameterString);
+  if (NS_FAILED_impl(rv)) {
+    return aErrorReturn;
+  }
+  int32_t number = parameterString.ToInteger(&rv);
+  if (MOZ_UNLIKELY(NS_FAILED_impl(rv))) {
+    return aErrorReturn;
+  }
+  return number;
+}
+
+void
+MediaContentType::Populate(const nsAString& aType)
+{
+  nsContentTypeParser parser(aType);
+  nsAutoString mime;
+  nsresult rv = parser.GetType(mime);
+  if (NS_SUCCEEDED(rv)) {
+    mMIMEType = NS_ConvertUTF16toUTF8(mime);
+  }
+
+  rv = parser.GetParameter("codecs", mCodecs);
+  mHaveCodecs = NS_SUCCEEDED(rv);
+
+  mWidth = GetParameterAsNumber(parser, "width", -1);
+  mHeight = GetParameterAsNumber(parser, "height", -1);
+  mFramerate = GetParameterAsNumber(parser, "framerate", -1);
+  mBitrate = GetParameterAsNumber(parser, "bitrate", -1);
+}
+
+} // namespace mozilla