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-rw-r--r--dom/media/gmp/GMPService.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPService.h b/dom/media/gmp/GMPService.h
new file mode 100644
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+++ b/dom/media/gmp/GMPService.h
@@ -0,0 +1,130 @@
+/* -*- 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/. */
+
+#ifndef GMPService_h_
+#define GMPService_h_
+
+#include "GMPContentParent.h"
+#include "GMPCrashHelper.h"
+#include "gmp-video-codec.h"
+#include "mozIGeckoMediaPluginService.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/gmp/GMPTypes.h"
+#include "mozilla/MozPromise.h"
+#include "nsCOMPtr.h"
+#include "nsClassHashtable.h"
+#include "nsIObserver.h"
+#include "nsString.h"
+#include "nsTArray.h"
+
+class nsIAsyncShutdownClient;
+class nsIRunnable;
+class nsISerialEventTarget;
+class nsIThread;
+
+template <class>
+struct already_AddRefed;
+
+namespace mozilla {
+
+class GMPCrashHelper;
+class MediaResult;
+
+extern LogModule* GetGMPLog();
+extern LogModule* GetGMPLibraryLog();
+extern GMPLogLevel GetGMPLibraryLogLevel();
+
+namespace gmp {
+
+typedef MozPromise<RefPtr<GMPContentParent::CloseBlocker>, MediaResult,
+ /* IsExclusive = */ true>
+ GetGMPContentParentPromise;
+typedef MozPromise<RefPtr<ChromiumCDMParent>, MediaResult,
+ /* IsExclusive = */ true>
+ GetCDMParentPromise;
+
+class GeckoMediaPluginService : public mozIGeckoMediaPluginService,
+ public nsIObserver {
+ public:
+ static already_AddRefed<GeckoMediaPluginService> GetGeckoMediaPluginService();
+
+ virtual nsresult Init();
+
+ NS_DECL_THREADSAFE_ISUPPORTS
+
+ RefPtr<GetCDMParentPromise> GetCDM(const NodeIdParts& aNodeIdParts,
+ const nsACString& aKeySystem,
+ GMPCrashHelper* aHelper);
+
+#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
+ RefPtr<GetGMPContentParentPromise> GetContentParentForTest();
+#endif
+
+ // mozIGeckoMediaPluginService
+ NS_IMETHOD GetThread(nsIThread** aThread) override;
+ nsresult GetThreadLocked(nsIThread** aThread);
+ NS_IMETHOD GetGMPVideoDecoder(
+ GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
+ const nsACString& aNodeId,
+ UniquePtr<GetGMPVideoDecoderCallback>&& aCallback) override;
+ NS_IMETHOD GetGMPVideoEncoder(
+ GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
+ const nsACString& aNodeId,
+ UniquePtr<GetGMPVideoEncoderCallback>&& aCallback) override;
+
+ // TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230)
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD RunPluginCrashCallbacks(
+ uint32_t aPluginId, const nsACString& aPluginName) override;
+
+ already_AddRefed<nsISerialEventTarget> GetGMPThread();
+
+ void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
+ void DisconnectCrashHelper(GMPCrashHelper* aHelper);
+
+ bool XPCOMWillShutdownReceived() const { return mXPCOMWillShutdown; }
+
+ protected:
+ GeckoMediaPluginService();
+ virtual ~GeckoMediaPluginService();
+
+ void AssertOnGMPThread() {
+#ifdef DEBUG
+ MutexAutoLock lock(mMutex);
+ MOZ_ASSERT(mGMPThread->IsOnCurrentThread());
+#endif
+ }
+
+ virtual void InitializePlugins(nsISerialEventTarget* aGMPThread) = 0;
+
+ virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
+ GMPCrashHelper* aHelper, const NodeIdVariant& aNodeIdVariant,
+ const nsACString& aAPI, const nsTArray<nsCString>& aTags) = 0;
+
+ nsresult GMPDispatch(nsIRunnable* event, uint32_t flags = NS_DISPATCH_NORMAL);
+ nsresult GMPDispatch(already_AddRefed<nsIRunnable> event,
+ uint32_t flags = NS_DISPATCH_NORMAL);
+ void ShutdownGMPThread();
+
+ static nsCOMPtr<nsIAsyncShutdownClient> GetShutdownBarrier();
+
+ Mutex mMutex MOZ_UNANNOTATED; // Protects mGMPThread, mPluginCrashHelpers,
+ // mGMPThreadShutdown and some members in
+ // derived classes.
+
+ const nsCOMPtr<nsISerialEventTarget> mMainThread;
+
+ nsCOMPtr<nsIThread> mGMPThread;
+ bool mGMPThreadShutdown;
+ bool mShuttingDownOnGMPThread;
+ Atomic<bool> mXPCOMWillShutdown;
+
+ nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>>
+ mPluginCrashHelpers;
+};
+
+} // namespace gmp
+} // namespace mozilla
+
+#endif // GMPService_h_