1 files changed, 66 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPVideoPlaneImpl.h b/dom/media/gmp/GMPVideoPlaneImpl.h
new file mode 100644
index 000000000..d3a0d753a
--- /dev/null
+++ b/dom/media/gmp/GMPVideoPlaneImpl.h
@@ -0,0 +1,66 @@
+/* -*- 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 GMPVideoPlaneImpl_h_
+#define GMPVideoPlaneImpl_h_
+
+#include "gmp-video-plane.h"
+#include "mozilla/ipc/Shmem.h"
+
+namespace mozilla {
+namespace gmp {
+
+class GMPVideoHostImpl;
+class GMPPlaneData;
+
+class GMPPlaneImpl : public GMPPlane
+{
+  friend struct IPC::ParamTraits<mozilla::gmp::GMPPlaneImpl>;
+public:
+  explicit GMPPlaneImpl(GMPVideoHostImpl* aHost);
+  GMPPlaneImpl(const GMPPlaneData& aPlaneData, GMPVideoHostImpl* aHost);
+  virtual ~GMPPlaneImpl();
+
+  // This is called during a normal destroy sequence, which is
+  // when a consumer is finished or during XPCOM shutdown.
+  void DoneWithAPI();
+  // This is called when something has gone wrong - specicifically,
+  // a child process has crashed. Does not attempt to release Shmem,
+  // as the Shmem has already been released.
+  void ActorDestroyed();
+
+  bool InitPlaneData(GMPPlaneData& aPlaneData);
+
+  // GMPPlane
+  GMPErr CreateEmptyPlane(int32_t aAllocatedSize,
+                          int32_t aStride,
+                          int32_t aPlaneSize) override;
+  GMPErr Copy(const GMPPlane& aPlane) override;
+  GMPErr Copy(int32_t aSize,
+              int32_t aStride,
+              const uint8_t* aBuffer) override;
+  void Swap(GMPPlane& aPlane) override;
+  int32_t AllocatedSize() const override;
+  void ResetSize() override;
+  bool IsZeroSize() const override;
+  int32_t Stride() const override;
+  const uint8_t* Buffer() const override;
+  uint8_t* Buffer() override;
+  void Destroy() override;
+
+private:
+  GMPErr MaybeResize(int32_t aNewSize);
+  void DestroyBuffer();
+
+  ipc::Shmem mBuffer;
+  int32_t mSize;
+  int32_t mStride;
+  GMPVideoHostImpl* mHost;
+};
+
+} // namespace gmp
+} // namespace mozilla
+
+#endif // GMPVideoPlaneImpl_h_