gecko/dom/media/fmp4/wmf/WMFDecoderModule.h
Jean-Yves Avenard 92147becc0 Bug 1146222: use nsAutoCString to store mimetype string. r=karlt
We use a nsAutoCString as the mimetype is typically less than 64 characters
and prevent a heap allocation (and the unecessary fragmentation linked to it)
2015-03-24 14:45:17 +11:00

63 lines
2.1 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:
WMFDecoderModule();
virtual ~WMFDecoderModule();
// Initializes the module, loads required dynamic libraries, etc.
virtual nsresult Startup() override;
virtual already_AddRefed<MediaDataDecoder>
CreateVideoDecoder(const mp4_demuxer::VideoDecoderConfig& aConfig,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer,
FlushableMediaTaskQueue* aVideoTaskQueue,
MediaDataDecoderCallback* aCallback) override;
virtual already_AddRefed<MediaDataDecoder>
CreateAudioDecoder(const mp4_demuxer::AudioDecoderConfig& aConfig,
FlushableMediaTaskQueue* aAudioTaskQueue,
MediaDataDecoderCallback* aCallback) override;
bool SupportsVideoMimeType(const nsACString& aMimeType) override;
bool SupportsAudioMimeType(const nsACString& aMimeType) override;
virtual void DisableHardwareAcceleration() override
{
sDXVAEnabled = false;
}
virtual bool SupportsSharedDecoders(const mp4_demuxer::VideoDecoderConfig& 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 mp4_demuxer::VideoDecoderConfig& aConfig) const;
static bool sIsWMFEnabled;
static bool sDXVAEnabled;
};
} // namespace mozilla
#endif