tenfourfox/dom/media/platforms/PDMFactory.h
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

93 lines
3.1 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(PDMFactory_h_)
#define PDMFactory_h_
#include "PlatformDecoderModule.h"
class CDMProxy;
namespace mozilla {
class PDMFactory final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PDMFactory)
PDMFactory();
// Call on the main thread to initialize the static state
// needed by Create().
static void Init();
// Factory method that creates the appropriate PlatformDecoderModule for
// the platform we're running on. Caller is responsible for deleting this
// instance. It's expected that there will be multiple
// PlatformDecoderModules alive at the same time.
// This is called on the decode task queue.
already_AddRefed<MediaDataDecoder>
CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend = layers::LayersBackend::LAYERS_NONE,
layers::ImageContainer* aImageContainer = nullptr);
bool SupportsMimeType(const nsACString& aMimeType) const;
#ifdef MOZ_EME
// Creates a PlatformDecoderModule that uses a CDMProxy to decrypt or
// decrypt-and-decode EME encrypted content. If the CDM only decrypts and
// does not decode, we create a PDM and use that to create MediaDataDecoders
// that we use on on aTaskQueue to decode the decrypted stream.
// This is called on the decode task queue.
void SetCDMProxy(CDMProxy* aProxy);
#endif
private:
virtual ~PDMFactory();
void CreatePDMs();
// Startup the provided PDM and add it to our list if successful.
bool StartupPDM(PlatformDecoderModule* aPDM);
// Returns the first PDM in our list supporting the mimetype.
already_AddRefed<PlatformDecoderModule>
GetDecoder(const nsACString& aMimeType) const;
already_AddRefed<MediaDataDecoder>
CreateDecoderWithPDM(PlatformDecoderModule* aPDM,
const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer);
// PDM pref caches...
static bool sUseBlankDecoder;
#ifdef MOZ_GONK_MEDIACODEC
static bool sGonkDecoderEnabled;
#endif
#ifdef MOZ_WIDGET_ANDROID
static bool sAndroidMCDecoderPreferred;
static bool sAndroidMCDecoderEnabled;
#endif
static bool sGMPDecoderEnabled;
#ifdef MOZ_FFMPEG
static bool sFFmpegDecoderEnabled;
#endif
#ifdef XP_WIN
static bool sWMFDecoderEnabled;
#endif
static bool sEnableFuzzingWrapper;
static uint32_t sVideoOutputMinimumInterval_ms;
static bool sDontDelayInputExhausted;
nsTArray<RefPtr<PlatformDecoderModule>> mCurrentPDMs;
RefPtr<PlatformDecoderModule> mEMEPDM;
};
} // namespace mozilla
#endif /* PDMFactory_h_ */