1 files changed, 64 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/TheoraDecoder.h b/dom/media/platforms/agnostic/TheoraDecoder.h
new file mode 100644
index 000000000..4a5daebb9
--- /dev/null
+++ b/dom/media/platforms/agnostic/TheoraDecoder.h
@@ -0,0 +1,64 @@
+/* -*- 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