1 files changed, 52 insertions, 0 deletions
diff --git a/dom/media/ADTSDecoder.cpp b/dom/media/ADTSDecoder.cpp
new file mode 100644
index 000000000..913fbf742
--- /dev/null
+++ b/dom/media/ADTSDecoder.cpp
@@ -0,0 +1,52 @@
+/* -*- 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 "ADTSDecoder.h"
+#include "ADTSDemuxer.h"
+#include "MediaDecoderStateMachine.h"
+#include "MediaFormatReader.h"
+#include "PDMFactory.h"
+
+namespace mozilla {
+
+MediaDecoder*
+ADTSDecoder::Clone(MediaDecoderOwner* aOwner)
+{
+  if (!IsEnabled())
+    return nullptr;
+
+  return new ADTSDecoder(aOwner);
+}
+
+MediaDecoderStateMachine*
+ADTSDecoder::CreateStateMachine()
+{
+  RefPtr<MediaDecoderReader> reader =
+      new MediaFormatReader(this, new ADTSDemuxer(GetResource()));
+  return new MediaDecoderStateMachine(this, reader);
+}
+
+/* static */ bool
+ADTSDecoder::IsEnabled()
+{
+  RefPtr<PDMFactory> platform = new PDMFactory();
+  return platform->SupportsMimeType(NS_LITERAL_CSTRING("audio/mp4a-latm"),
+                                    /* DecoderDoctorDiagnostics* */ nullptr);
+}
+
+/* static */ bool
+ADTSDecoder::CanHandleMediaType(const nsACString& aType,
+                                const nsAString& aCodecs)
+{
+  if (aType.EqualsASCII("audio/aac") || aType.EqualsASCII("audio/aacp") ||
+      aType.EqualsASCII("audio/x-aac")) {
+    return IsEnabled() && (aCodecs.IsEmpty() || aCodecs.EqualsASCII("aac"));
+  }
+
+  return false;
+}
+
+} // namespace mozilla