gecko-dev/dom/media/platforms/wmf/WMFDecoderModule.h

53 строки
1.7 KiB
C++

/* -*- 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:
// 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;
// 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:
virtual ~WMFDecoderModule();
bool mWMFInitialized = false;
};
} // namespace mozilla
#endif