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diff --git a/dom/media/platforms/agnostic/TheoraDecoder.h b/dom/media/platforms/agnostic/TheoraDecoder.h
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+/* -*- 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/. */
+#if !defined(TheoraDecoder_h_)
+#define TheoraDecoder_h_
+
+#include "PlatformDecoderModule.h"
+
+#include <stdint.h>
+#include "ogg/ogg.h"
+#include "theora/theoradec.h"
+
+namespace mozilla {
+
+ using namespace layers;
+
+class TheoraDecoder : public MediaDataDecoder
+{
+public:
+ explicit TheoraDecoder(const CreateDecoderParams& aParams);
+
+ ~TheoraDecoder();
+
+ RefPtr<InitPromise> Init() override;
+ void Input(MediaRawData* aSample) override;
+ void Flush() override;
+ void Drain() override;
+ void Shutdown() override;
+
+ // Return true if mimetype is a Theora codec
+ static bool IsTheora(const nsACString& aMimeType);
+
+ const char* GetDescriptionName() const override
+ {
+ return "theora video decoder";
+ }
+
+private:
+ nsresult DoDecodeHeader(const unsigned char* aData, size_t aLength);
+
+ void ProcessDecode(MediaRawData* aSample);
+ MediaResult DoDecode(MediaRawData* aSample);
+ void ProcessDrain();
+
+ RefPtr<ImageContainer> mImageContainer;
+ RefPtr<TaskQueue> mTaskQueue;
+ MediaDataDecoderCallback* mCallback;
+ Atomic<bool> mIsFlushing;
+
+ // Theora header & decoder state
+ th_info mTheoraInfo;
+ th_comment mTheoraComment;
+ th_setup_info *mTheoraSetupInfo;
+ th_dec_ctx *mTheoraDecoderContext;
+ int mPacketCount;
+
+ const VideoInfo& mInfo;
+};
+
+} // namespace mozilla
+
+#endif