1 files changed, 43 insertions, 0 deletions
diff --git a/gfx/layers/ipc/PVideoBridge.ipdl b/gfx/layers/ipc/PVideoBridge.ipdl
new file mode 100644
index 0000000000..eb9d7dafee
--- /dev/null
+++ b/gfx/layers/ipc/PVideoBridge.ipdl
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 20; 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/. */
+
+include LayersSurfaces;
+include LayersMessages;
+include protocol PTexture;
+
+include "mozilla/GfxMessageUtils.h";
+include "mozilla/layers/LayersMessageUtils.h";
+
+using mozilla::dom::ContentParentId from "mozilla/dom/ipc/IdType.h";
+using mozilla::layers::TextureFlags from "mozilla/layers/CompositorTypes.h";
+using mozilla::void_t from "mozilla/ipc/IPCCore.h";
+
+namespace mozilla {
+namespace layers {
+
+/**
+ * The PVideoBridge protocol is used to share textures from the video decoders
+ * to the compositor.
+ */
+[NeedsOtherPid, ParentProc=compositor, ChildProc=any]
+sync protocol PVideoBridge
+{
+  manages PTexture;
+
+child:
+  async Ping() returns (void_t ok);
+
+parent:
+  /**
+   * Since PVideoBridge creates textures on behalf of another process, we also
+   * supply ContentParentId of the owning content process.
+   */
+  async PTexture(SurfaceDescriptor aSharedData, ReadLockDescriptor aReadLock, LayersBackend aBackend,
+                 TextureFlags aTextureFlags, ContentParentId aContentId, uint64_t aSerial);
+};
+
+} // namespace
+} // namespace
+