Files
palemoon27/dom/media/platforms/wmf/WMFDecoderModule.h
T
2018-07-25 01:29:11 +08:00

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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.
virtual nsresult Startup() override;
virtual already_AddRefed<MediaDataDecoder>
CreateVideoDecoder(const VideoInfo& aConfig,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer,
FlushableMediaTaskQueue* aVideoTaskQueue,
MediaDataDecoderCallback* aCallback) override;
virtual already_AddRefed<MediaDataDecoder>
CreateAudioDecoder(const AudioInfo& aConfig,
FlushableMediaTaskQueue* aAudioTaskQueue,
MediaDataDecoderCallback* aCallback) override;
bool SupportsMimeType(const nsACString& aMimeType) override;
virtual void DisableHardwareAcceleration() override
{
sDXVAEnabled = false;
}
virtual bool SupportsSharedDecoders(const VideoInfo& aConfig) const override;
virtual ConversionRequired
DecoderNeedsConversion(const TrackInfo& aConfig) const override;
// 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.
static bool HasAAC();
static bool HasH264();
// Called on main thread.
static void Init();
private:
bool ShouldUseDXVA(const VideoInfo& aConfig) const;
static bool sIsWMFEnabled;
static bool sDXVAEnabled;
};
} // namespace mozilla
#endif