import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/ogg/OggWriter.h

@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* 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 OggWriter_h_
+#define OggWriter_h_
+
+#include "ContainerWriter.h"
+#include "OpusTrackEncoder.h"
+#include <ogg/ogg.h>
+
+namespace mozilla {
+/**
+ * WriteEncodedTrack inserts raw packets into Ogg stream (ogg_stream_state), and
+ * GetContainerData outputs an ogg_page when enough packets have been written
+ * to the Ogg stream.
+ * For more details, please reference:
+ * http://www.xiph.org/ogg/doc/libogg/encoding.html
+ */
+class OggWriter : public ContainerWriter
+{
+public:
+  OggWriter();
+  ~OggWriter();
+
+  nsresult WriteEncodedTrack(const EncodedFrameContainer &aData,
+                             uint32_t aFlags = 0) override;
+
+  nsresult GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
+                            uint32_t aFlags = 0) override;
+
+  // Check metadata type integrity and reject unacceptable track encoder.
+  nsresult SetMetadata(TrackMetadataBase* aMetadata) override;
+private:
+  nsresult Init();
+
+  nsresult WriteEncodedData(const nsTArray<uint8_t>& aBuffer, int aDuration,
+                            uint32_t aFlags = 0);
+
+  void ProduceOggPage(nsTArray<nsTArray<uint8_t> >* aOutputBufs);
+  // Store the Medatata from track encoder
+  RefPtr<OpusMetadata> mMetadata;
+
+  ogg_stream_state mOggStreamState;
+  ogg_page mOggPage;
+  ogg_packet mPacket;
+};
+
+} // namespace mozilla
+
+#endif