1 files changed, 79 insertions, 0 deletions
diff --git a/dom/media/hls/HLSDecoder.h b/dom/media/hls/HLSDecoder.h
new file mode 100644
index 0000000000..0f65457765
--- /dev/null
+++ b/dom/media/hls/HLSDecoder.h
@@ -0,0 +1,79 @@
+/* -*- 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 HLSDecoder_h_
+#define HLSDecoder_h_
+
+#include "MediaDecoder.h"
+#include "mozilla/java/GeckoHLSResourceWrapperWrappers.h"
+
+namespace mozilla {
+
+class HLSResourceCallbacksSupport;
+
+class HLSDecoder final : public MediaDecoder {
+ public:
+  static RefPtr<HLSDecoder> Create(MediaDecoderInit& aInit);
+
+  // Returns true if the HLS backend is pref'ed on.
+  static bool IsEnabled();
+
+  // Returns true if aContainerType is an HLS type that we think we can render
+  // with the a platform decoder backend.
+  // If provided, codecs are checked for support.
+  static bool IsSupportedType(const MediaContainerType& aContainerType);
+
+  nsresult Load(nsIChannel* aChannel);
+
+  // MediaDecoder interface.
+  void Play() override;
+
+  void Pause() override;
+
+  void AddSizeOfResources(ResourceSizes* aSizes) override;
+  already_AddRefed<nsIPrincipal> GetCurrentPrincipal() override;
+  bool HadCrossOriginRedirects() override;
+  bool IsTransportSeekable() override { return true; }
+  void Suspend() override;
+  void Resume() override;
+  void Shutdown() override;
+
+  // Called as data arrives on the underlying HLS player. Main thread only.
+  void NotifyDataArrived();
+
+  // Called when Exoplayer start to load media. Main thread only.
+  void NotifyLoad(nsCString aMediaUrl);
+
+ private:
+  friend class HLSResourceCallbacksSupport;
+
+  explicit HLSDecoder(MediaDecoderInit& aInit);
+  ~HLSDecoder();
+  MediaDecoderStateMachineBase* CreateStateMachine(
+      bool aDisableExternalEngine) override;
+
+  bool CanPlayThroughImpl() final {
+    // TODO: We don't know how to estimate 'canplaythrough' for this decoder.
+    // For now we just return true for 'autoplay' can work.
+    return true;
+  }
+
+  void UpdateCurrentPrincipal(nsCString aMediaUrl);
+  already_AddRefed<nsIPrincipal> GetContentPrincipal(nsCString aMediaUrl);
+
+  static size_t sAllocatedInstances;  // Access only in the main thread.
+
+  nsCOMPtr<nsIChannel> mChannel;
+  nsCOMPtr<nsIURI> mURI;
+  java::GeckoHLSResourceWrapper::GlobalRef mHLSResourceWrapper;
+  java::GeckoHLSResourceWrapper::Callbacks::GlobalRef mJavaCallbacks;
+  RefPtr<HLSResourceCallbacksSupport> mCallbackSupport;
+  nsCOMPtr<nsIPrincipal> mContentPrincipal;
+};
+
+}  // namespace mozilla
+
+#endif /* HLSDecoder_h_ */