1 files changed, 54 insertions, 0 deletions
diff --git a/dom/media/webaudio/BufferDecoder.h b/dom/media/webaudio/BufferDecoder.h
new file mode 100644
index 000000000..52cb92489
--- /dev/null
+++ b/dom/media/webaudio/BufferDecoder.h
@@ -0,0 +1,54 @@
+/* -*- 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/. */
+
+#ifndef BUFFER_DECODER_H_
+#define BUFFER_DECODER_H_
+
+#include "mozilla/Attributes.h"
+#include "mozilla/ReentrantMonitor.h"
+#include "mozilla/TaskQueue.h"
+
+#include "AbstractMediaDecoder.h"
+
+namespace mozilla {
+
+/**
+ * This class provides a decoder object which decodes a media file that lives in
+ * a memory buffer.
+ */
+class BufferDecoder final : public AbstractMediaDecoder
+{
+public:
+  // This class holds a weak pointer to MediaResource.  It's the responsibility
+  // of the caller to manage the memory of the MediaResource object.
+  explicit BufferDecoder(MediaResource* aResource, GMPCrashHelper* aCrashHelper);
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  // This has to be called before decoding begins
+  void BeginDecoding(TaskQueue* aTaskQueueIdentity);
+
+  MediaResource* GetResource() const final override;
+
+  void NotifyDecodedFrames(const FrameStatisticsData& aStats) final override;
+
+  VideoFrameContainer* GetVideoFrameContainer() final override;
+  layers::ImageContainer* GetImageContainer() final override;
+
+  MediaDecoderOwner* GetOwner() const final override;
+
+  already_AddRefed<GMPCrashHelper> GetCrashHelper() override;
+
+private:
+  virtual ~BufferDecoder();
+  RefPtr<TaskQueue> mTaskQueueIdentity;
+  RefPtr<MediaResource> mResource;
+  RefPtr<GMPCrashHelper> mCrashHelper;
+};
+
+} // namespace mozilla
+
+#endif /* BUFFER_DECODER_H_ */