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-rw-r--r--dom/media/platforms/wmf/WMFDecoderModule.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/dom/media/platforms/wmf/WMFDecoderModule.h b/dom/media/platforms/wmf/WMFDecoderModule.h
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+++ b/dom/media/platforms/wmf/WMFDecoderModule.h
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+/* -*- 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/. */
+
+#if !defined(WMFPlatformDecoderModule_h_)
+#define WMFPlatformDecoderModule_h_
+
+#include "PlatformDecoderModule.h"
+
+namespace mozilla {
+
+class WMFDecoderModule : public PlatformDecoderModule {
+public:
+ WMFDecoderModule();
+ virtual ~WMFDecoderModule();
+
+ // Initializes the module, loads required dynamic libraries, etc.
+ nsresult Startup() override;
+
+ already_AddRefed<MediaDataDecoder>
+ CreateVideoDecoder(const CreateDecoderParams& aParams) override;
+
+ already_AddRefed<MediaDataDecoder>
+ CreateAudioDecoder(const CreateDecoderParams& aParams) override;
+
+ bool SupportsMimeType(const nsACString& aMimeType,
+ DecoderDoctorDiagnostics* aDiagnostics) const override;
+ bool Supports(const TrackInfo& aTrackInfo,
+ DecoderDoctorDiagnostics* aDiagnostics) const override;
+
+ ConversionRequired
+ DecoderNeedsConversion(const TrackInfo& aConfig) const override;
+
+ // Called on main thread.
+ static void Init();
+
+ // Called from any thread, must call init first
+ static int GetNumDecoderThreads();
+
+ // Accessors that report whether we have the required MFTs available
+ // on the system to play various codecs. Windows Vista doesn't have the
+ // H.264/AAC decoders if the "Platform Update Supplement for Windows Vista"
+ // is not installed, and Window N and KN variants also require a "Media
+ // Feature Pack" to be installed. Windows XP doesn't have WMF.
+ static bool HasAAC();
+ static bool HasH264();
+
+private:
+ bool mWMFInitialized;
+};
+
+} // namespace mozilla
+
+#endif