Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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"
# include "WMF.h"
# include "WMFUtils.h"
# include "mozilla/Atomics.h"
namespace mozilla {
class MFTDecoder;
class WMFDecoderModule : public PlatformDecoderModule {
public:
static already_AddRefed<PlatformDecoderModule> Create();
// 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 SupportsColorDepth(
gfx::ColorDepth aColorDepth,
DecoderDoctorDiagnostics* aDiagnostics) const override;
media::DecodeSupportSet SupportsMimeType(
const nsACString& aMimeType,
DecoderDoctorDiagnostics* aDiagnostics) const override;
media::DecodeSupportSet Supports(
const SupportDecoderParams& aParams,
DecoderDoctorDiagnostics* aDiagnostics) const override;
enum class Config {
None,
ForceEnableHEVC,
};
// Can be called on any thread, but avoid calling this on the main thread
// because the initialization takes long time and we don't want to block the
// main thread.
static void Init(Config aConfig = Config::None);
// Called from any thread, must call init first
static int GetNumDecoderThreads();
static HRESULT CreateMFTDecoder(const WMFStreamType& aType,
RefPtr<MFTDecoder>& aDecoder);
static bool CanCreateMFTDecoder(const WMFStreamType& aType);
static void DisableForceEnableHEVC();
private:
// This is used for GPU process only, where we can't set the preference
// directly (it can only set in the parent process) So we need a way to force
// enable the HEVC in order to report the support information via telemetry.
static inline Atomic<bool> sForceEnableHEVC{false};
static bool IsHEVCSupported();
WMFDecoderModule() = default;
virtual ~WMFDecoderModule() = default;
static inline StaticMutex sMutex;
static inline bool sSupportedTypesInitialized MOZ_GUARDED_BY(sMutex) = false;
static inline EnumSet<WMFStreamType> sSupportedTypes MOZ_GUARDED_BY(sMutex);
static inline EnumSet<WMFStreamType> sLackOfExtensionTypes
MOZ_GUARDED_BY(sMutex);
};
} // namespace mozilla
#endif