summaryrefslogtreecommitdiffstats
path: root/dom/media/eme/mediafoundation/WMFCDMImpl.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/media/eme/mediafoundation/WMFCDMImpl.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/dom/media/eme/mediafoundation/WMFCDMImpl.h b/dom/media/eme/mediafoundation/WMFCDMImpl.h
new file mode 100644
index 0000000000..fc4ef840d6
--- /dev/null
+++ b/dom/media/eme/mediafoundation/WMFCDMImpl.h
@@ -0,0 +1,100 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMIMPL_H_
+#define DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMIMPL_H_
+
+#include "MediaData.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/EMEUtils.h"
+#include "mozilla/KeySystemConfig.h"
+#include "mozilla/media/MediaUtils.h"
+#include "mozilla/MFCDMChild.h"
+#include "nsString.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+
+class WMFCDMProxyCallback;
+
+/**
+ * WMFCDMImpl is a helper class for MFCDM protocol clients. It creates, manages,
+ * and calls MFCDMChild object in the content process on behalf of the client,
+ * and performs conversion between EME and MFCDM types and constants.
+ */
+class WMFCDMImpl final {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WMFCDMImpl);
+
+ explicit WMFCDMImpl(const nsAString& aKeySystem)
+ : mCDM(MakeRefPtr<MFCDMChild>(aKeySystem)) {}
+
+ static bool Supports(const nsAString& aKeySystem);
+ // TODO: make this async?
+ bool GetCapabilities(KeySystemConfig& aConfig);
+
+ using InitPromise = GenericPromise;
+ struct InitParams {
+ nsString mOrigin;
+ CopyableTArray<nsString> mInitDataTypes;
+ bool mPersistentStateRequired;
+ bool mDistinctiveIdentifierRequired;
+ bool mHWSecure;
+ WMFCDMProxyCallback* mProxyCallback;
+ };
+
+ RefPtr<InitPromise> Init(const InitParams& aParams);
+
+ RefPtr<MFCDMChild::SessionPromise> CreateSession(
+ uint32_t aPromiseId, const KeySystemConfig::SessionType aSessionType,
+ const nsAString& aInitDataType, const nsTArray<uint8_t>& aInitData) {
+ return mCDM->CreateSessionAndGenerateRequest(aPromiseId, aSessionType,
+ aInitDataType, aInitData);
+ }
+
+ RefPtr<GenericPromise> LoadSession(
+ uint32_t aPromiseId, const KeySystemConfig::SessionType aSessionType,
+ const nsAString& aSessionId) {
+ return mCDM->LoadSession(aPromiseId, aSessionType, aSessionId);
+ }
+
+ RefPtr<GenericPromise> UpdateSession(uint32_t aPromiseId,
+ const nsAString& aSessionId,
+ nsTArray<uint8_t>& aResponse) {
+ return mCDM->UpdateSession(aPromiseId, aSessionId, aResponse);
+ }
+
+ RefPtr<GenericPromise> CloseSession(uint32_t aPromiseId,
+ const nsAString& aSessionId) {
+ return mCDM->CloseSession(aPromiseId, aSessionId);
+ }
+
+ RefPtr<GenericPromise> RemoveSession(uint32_t aPromiseId,
+ const nsAString& aSessionId) {
+ return mCDM->RemoveSession(aPromiseId, aSessionId);
+ }
+
+ uint64_t Id() {
+ MOZ_ASSERT(mCDM->Id() != 0,
+ "Should be called only after Init() is resolved");
+ return mCDM->Id();
+ }
+
+ private:
+ ~WMFCDMImpl() {
+ if (mCDM) {
+ mCDM->Shutdown();
+ }
+ };
+
+ const RefPtr<MFCDMChild> mCDM;
+
+ MozPromiseHolder<InitPromise> mInitPromiseHolder;
+};
+
+} // namespace mozilla
+
+#endif // DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMIMPL_H_