summaryrefslogtreecommitdiffstats
path: root/dom/media/gmp/GMPVideoHost.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/media/gmp/GMPVideoHost.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPVideoHost.h b/dom/media/gmp/GMPVideoHost.h
new file mode 100644
index 0000000000..8b75ff28fe
--- /dev/null
+++ b/dom/media/gmp/GMPVideoHost.h
@@ -0,0 +1,54 @@
+/* -*- 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 GMPVideoHost_h_
+#define GMPVideoHost_h_
+
+#include "gmp-video-host.h"
+#include "gmp-video-plane.h"
+#include "gmp-video-frame.h"
+#include "nsTArray.h"
+
+namespace mozilla::gmp {
+
+class GMPSharedMemManager;
+class GMPPlaneImpl;
+class GMPVideoEncodedFrameImpl;
+
+class GMPVideoHostImpl : public GMPVideoHost {
+ public:
+ explicit GMPVideoHostImpl(GMPSharedMemManager* aSharedMemMgr);
+ virtual ~GMPVideoHostImpl();
+
+ // Used for shared memory allocation and deallocation.
+ GMPSharedMemManager* SharedMemMgr();
+ void DoneWithAPI();
+ void ActorDestroyed();
+ void PlaneCreated(GMPPlaneImpl* aPlane);
+ void PlaneDestroyed(GMPPlaneImpl* aPlane);
+ void EncodedFrameCreated(GMPVideoEncodedFrameImpl* aEncodedFrame);
+ void EncodedFrameDestroyed(GMPVideoEncodedFrameImpl* aFrame);
+
+ // GMPVideoHost
+ GMPErr CreateFrame(GMPVideoFrameFormat aFormat,
+ GMPVideoFrame** aFrame) override;
+ GMPErr CreatePlane(GMPPlane** aPlane) override;
+
+ private:
+ // All shared memory allocations have to be made by an IPDL actor.
+ // This is a reference to the owning actor. If this reference is
+ // null then the actor has died and all allocations must fail.
+ GMPSharedMemManager* mSharedMemMgr;
+
+ // We track all of these things because they need to handle further
+ // allocations through us and we need to notify them when they
+ // can't use us any more.
+ nsTArray<GMPPlaneImpl*> mPlanes;
+ nsTArray<GMPVideoEncodedFrameImpl*> mEncodedFrames;
+};
+
+} // namespace mozilla::gmp
+
+#endif // GMPVideoHost_h_