1 files changed, 94 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPVideoHost.cpp b/dom/media/gmp/GMPVideoHost.cpp
new file mode 100644
index 0000000000..7ed6c5abc2
--- /dev/null
+++ b/dom/media/gmp/GMPVideoHost.cpp
@@ -0,0 +1,94 @@
+/* -*- 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/. */
+
+#include "GMPVideoHost.h"
+#include "mozilla/Assertions.h"
+#include "GMPVideoi420FrameImpl.h"
+#include "GMPVideoEncodedFrameImpl.h"
+
+namespace mozilla::gmp {
+
+GMPVideoHostImpl::GMPVideoHostImpl(GMPSharedMemManager* aSharedMemMgr)
+    : mSharedMemMgr(aSharedMemMgr) {}
+
+GMPVideoHostImpl::~GMPVideoHostImpl() = default;
+
+GMPErr GMPVideoHostImpl::CreateFrame(GMPVideoFrameFormat aFormat,
+                                     GMPVideoFrame** aFrame) {
+  if (!mSharedMemMgr) {
+    return GMPGenericErr;
+  }
+
+  if (!aFrame) {
+    return GMPGenericErr;
+  }
+  *aFrame = nullptr;
+
+  switch (aFormat) {
+    case kGMPI420VideoFrame:
+      *aFrame = new GMPVideoi420FrameImpl(this);
+      return GMPNoErr;
+    case kGMPEncodedVideoFrame:
+      *aFrame = new GMPVideoEncodedFrameImpl(this);
+      return GMPNoErr;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Unknown frame format!");
+  }
+
+  return GMPGenericErr;
+}
+
+GMPErr GMPVideoHostImpl::CreatePlane(GMPPlane** aPlane) {
+  if (!mSharedMemMgr) {
+    return GMPGenericErr;
+  }
+
+  if (!aPlane) {
+    return GMPGenericErr;
+  }
+  *aPlane = nullptr;
+
+  auto p = new GMPPlaneImpl(this);
+
+  *aPlane = p;
+
+  return GMPNoErr;
+}
+
+GMPSharedMemManager* GMPVideoHostImpl::SharedMemMgr() { return mSharedMemMgr; }
+
+// XXX This should merge with ActorDestroyed
+void GMPVideoHostImpl::DoneWithAPI() { ActorDestroyed(); }
+
+void GMPVideoHostImpl::ActorDestroyed() {
+  for (uint32_t i = mPlanes.Length(); i > 0; i--) {
+    mPlanes[i - 1]->DoneWithAPI();
+    mPlanes.RemoveElementAt(i - 1);
+  }
+  for (uint32_t i = mEncodedFrames.Length(); i > 0; i--) {
+    mEncodedFrames[i - 1]->DoneWithAPI();
+    mEncodedFrames.RemoveElementAt(i - 1);
+  }
+  mSharedMemMgr = nullptr;
+}
+
+void GMPVideoHostImpl::PlaneCreated(GMPPlaneImpl* aPlane) {
+  mPlanes.AppendElement(aPlane);
+}
+
+void GMPVideoHostImpl::PlaneDestroyed(GMPPlaneImpl* aPlane) {
+  MOZ_ALWAYS_TRUE(mPlanes.RemoveElement(aPlane));
+}
+
+void GMPVideoHostImpl::EncodedFrameCreated(
+    GMPVideoEncodedFrameImpl* aEncodedFrame) {
+  mEncodedFrames.AppendElement(aEncodedFrame);
+}
+
+void GMPVideoHostImpl::EncodedFrameDestroyed(GMPVideoEncodedFrameImpl* aFrame) {
+  MOZ_ALWAYS_TRUE(mEncodedFrames.RemoveElement(aFrame));
+}
+
+}  // namespace mozilla::gmp