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 0000000000..23e994b667
--- /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 <stdint.h>
+
+#  include "PlatformDecoderModule.h"
+#  include "ogg/ogg.h"
+#  include "theora/theoradec.h"
+
+namespace mozilla {
+
+DDLoggedTypeDeclNameAndBase(TheoraDecoder, MediaDataDecoder);
+
+class TheoraDecoder final : public MediaDataDecoder,
+                            public DecoderDoctorLifeLogger<TheoraDecoder> {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TheoraDecoder, final);
+
+  explicit TheoraDecoder(const CreateDecoderParams& aParams);
+
+  RefPtr<InitPromise> Init() override;
+  RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
+  RefPtr<DecodePromise> Drain() override;
+  RefPtr<FlushPromise> Flush() override;
+  RefPtr<ShutdownPromise> Shutdown() override;
+
+  // Return true if mimetype is a Theora codec
+  static bool IsTheora(const nsACString& aMimeType);
+
+  nsCString GetDescriptionName() const override {
+    return "theora video decoder"_ns;
+  }
+
+  nsCString GetCodecName() const override { return "theora"_ns; }
+
+ private:
+  ~TheoraDecoder();
+  nsresult DoDecodeHeader(const unsigned char* aData, size_t aLength);
+
+  RefPtr<DecodePromise> ProcessDecode(MediaRawData* aSample);
+
+  const RefPtr<layers::KnowsCompositor> mImageAllocator;
+  const RefPtr<layers::ImageContainer> mImageContainer;
+  const RefPtr<TaskQueue> mTaskQueue;
+
+  // Theora header & decoder state
+  th_info mTheoraInfo;
+  th_comment mTheoraComment;
+  th_setup_info* mTheoraSetupInfo;
+  th_dec_ctx* mTheoraDecoderContext;
+  int mPacketCount;
+
+  const VideoInfo mInfo;
+  const Maybe<TrackingId> mTrackingId;
+};
+
+}  // namespace mozilla
+
+#endif