import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/gmp/GMPVideoHost.cpp

@@ -0,0 +1,120 @@
+/* -*- 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 {
+namespace gmp {
+
+GMPVideoHostImpl::GMPVideoHostImpl(GMPSharedMemManager* aSharedMemMgr)
+: mSharedMemMgr(aSharedMemMgr)
+{
+}
+
+GMPVideoHostImpl::~GMPVideoHostImpl()
+{
+}
+
+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:
+      NS_NOTREACHED("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 gmp
+} // namespace mozilla