1 files changed, 96 insertions, 0 deletions
diff --git a/dom/media/mediasource/MediaSourceDecoder.h b/dom/media/mediasource/MediaSourceDecoder.h
new file mode 100644
index 000000000..2bf0ad831
--- /dev/null
+++ b/dom/media/mediasource/MediaSourceDecoder.h
@@ -0,0 +1,96 @@
+/* -*- 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 MOZILLA_MEDIASOURCEDECODER_H_
+#define MOZILLA_MEDIASOURCEDECODER_H_
+
+#include "mozilla/Atomics.h"
+#include "mozilla/Attributes.h"
+#include "nsCOMPtr.h"
+#include "nsError.h"
+#include "MediaDecoder.h"
+#include "MediaFormatReader.h"
+
+class nsIStreamListener;
+
+namespace mozilla {
+
+class MediaResource;
+class MediaDecoderStateMachine;
+class SourceBufferDecoder;
+class TrackBuffer;
+enum MSRangeRemovalAction : uint8_t;
+class MediaSourceDemuxer;
+
+namespace dom {
+
+class HTMLMediaElement;
+class MediaSource;
+
+} // namespace dom
+
+class MediaSourceDecoder : public MediaDecoder
+{
+public:
+  explicit MediaSourceDecoder(dom::HTMLMediaElement* aElement);
+
+  MediaDecoder* Clone(MediaDecoderOwner* aOwner) override;
+  MediaDecoderStateMachine* CreateStateMachine() override;
+  nsresult Load(nsIStreamListener**) override;
+  media::TimeIntervals GetSeekable() override;
+  media::TimeIntervals GetBuffered() override;
+
+  void Shutdown() override;
+
+  static already_AddRefed<MediaResource> CreateResource(nsIPrincipal* aPrincipal = nullptr);
+
+  void AttachMediaSource(dom::MediaSource* aMediaSource);
+  void DetachMediaSource();
+
+  void Ended(bool aEnded);
+
+  // Return the duration of the video in seconds.
+  double GetDuration() override;
+
+  void SetInitialDuration(int64_t aDuration);
+  void SetMediaSourceDuration(double aDuration);
+
+  MediaSourceDemuxer* GetDemuxer()
+  {
+    return mDemuxer;
+  }
+
+  // Returns a string describing the state of the MediaSource internal
+  // buffered data. Used for debugging purposes.
+  void GetMozDebugReaderData(nsAString& aString) override;
+
+  void AddSizeOfResources(ResourceSizes* aSizes) override;
+
+  MediaDecoderOwner::NextFrameStatus NextFrameBufferedStatus() override;
+  bool CanPlayThrough() override;
+
+  void NotifyWaitingForKey() override;
+
+  MediaEventSource<void>* WaitingForKeyEvent() override;
+
+private:
+  void DoSetMediaSourceDuration(double aDuration);
+  media::TimeInterval ClampIntervalToEnd(const media::TimeInterval& aInterval);
+
+  // The owning MediaSource holds a strong reference to this decoder, and
+  // calls Attach/DetachMediaSource on this decoder to set and clear
+  // mMediaSource.
+  dom::MediaSource* mMediaSource;
+  RefPtr<MediaSourceDemuxer> mDemuxer;
+  RefPtr<MediaFormatReader> mReader;
+  MediaEventProducer<void> mWaitingForKeyEvent;
+
+  bool mEnded;
+};
+
+} // namespace mozilla
+
+#endif /* MOZILLA_MEDIASOURCEDECODER_H_ */