1 files changed, 32 insertions, 0 deletions
diff --git a/dom/media/platforms/wmf/MFMediaEngineNotify.cpp b/dom/media/platforms/wmf/MFMediaEngineNotify.cpp
new file mode 100644
index 0000000000..a33757ac26
--- /dev/null
+++ b/dom/media/platforms/wmf/MFMediaEngineNotify.cpp
@@ -0,0 +1,32 @@
+/* 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 "MFMediaEngineNotify.h"
+
+#include "MFMediaEngineUtils.h"
+
+namespace mozilla {
+
+#define LOG(msg, ...)                         \
+  MOZ_LOG(gMFMediaEngineLog, LogLevel::Debug, \
+          ("MFMediaEngineNotify=%p, " msg, this, ##__VA_ARGS__))
+
+IFACEMETHODIMP MFMediaEngineNotify::EventNotify(DWORD aEvent, DWORD_PTR aParam1,
+                                                DWORD aParam2) {
+  auto event = static_cast<MF_MEDIA_ENGINE_EVENT>(aEvent);
+  LOG("Received media engine event %s", MediaEngineEventToStr(event));
+  MFMediaEngineEventWrapper engineEvent{event};
+  if (event == MF_MEDIA_ENGINE_EVENT_ERROR ||
+      event == MF_MEDIA_ENGINE_EVENT_FORMATCHANGE ||
+      event == MF_MEDIA_ENGINE_EVENT_NOTIFYSTABLESTATE) {
+    engineEvent.mParam1 = Some(aParam1);
+    engineEvent.mParam2 = Some(aParam2);
+  }
+  mEngineEvents.Notify(engineEvent);
+  return S_OK;
+}
+
+#undef LOG
+
+}  // namespace mozilla