1 files changed, 50 insertions, 0 deletions
diff --git a/dom/media/mp3/MP3Decoder.cpp b/dom/media/mp3/MP3Decoder.cpp
new file mode 100644
index 000000000..074a0866d
--- /dev/null
+++ b/dom/media/mp3/MP3Decoder.cpp
@@ -0,0 +1,50 @@
+
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "MP3Decoder.h"
+#include "MediaDecoderStateMachine.h"
+#include "MediaFormatReader.h"
+#include "MP3Demuxer.h"
+#include "PDMFactory.h"
+
+namespace mozilla {
+
+MediaDecoder*
+MP3Decoder::Clone(MediaDecoderOwner* aOwner) {
+  if (!IsEnabled()) {
+    return nullptr;
+  }
+  return new MP3Decoder(aOwner);
+}
+
+MediaDecoderStateMachine*
+MP3Decoder::CreateStateMachine() {
+  RefPtr<MediaDecoderReader> reader =
+      new MediaFormatReader(this, new MP3Demuxer(GetResource()));
+  return new MediaDecoderStateMachine(this, reader);
+}
+
+/* static */
+bool
+MP3Decoder::IsEnabled() {
+  RefPtr<PDMFactory> platform = new PDMFactory();
+  return platform->SupportsMimeType(NS_LITERAL_CSTRING("audio/mpeg"),
+                                    /* DecoderDoctorDiagnostics* */ nullptr);
+}
+
+/* static */
+bool MP3Decoder::CanHandleMediaType(const nsACString& aType,
+                                    const nsAString& aCodecs)
+{
+  if (aType.EqualsASCII("audio/mp3") || aType.EqualsASCII("audio/mpeg")) {
+    return IsEnabled() &&
+      (aCodecs.IsEmpty() || aCodecs.EqualsASCII("mp3"));
+  }
+  return false;
+}
+
+} // namespace mozilla