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804b8b8883
# skip-blame Differential Revision: https://phabricator.services.mozilla.com/D12251 --HG-- extra : moz-landing-system : lando
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(PDMFactory_h_)
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#define PDMFactory_h_
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#include "PlatformDecoderModule.h"
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#include "mozilla/StaticMutex.h"
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class CDMProxy;
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namespace mozilla {
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class DecoderDoctorDiagnostics;
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class PDMFactoryImpl;
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template <class T>
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class StaticAutoPtr;
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class PDMFactory final {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PDMFactory)
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PDMFactory();
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// Factory method that creates the appropriate PlatformDecoderModule for
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// the platform we're running on. Caller is responsible for deleting this
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// instance. It's expected that there will be multiple
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// PlatformDecoderModules alive at the same time.
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// This is called on the decode task queue.
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already_AddRefed<MediaDataDecoder> CreateDecoder(
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const CreateDecoderParams& aParams);
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bool SupportsMimeType(const nsACString& aMimeType,
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DecoderDoctorDiagnostics* aDiagnostics) const;
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bool Supports(const TrackInfo& aTrackInfo,
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DecoderDoctorDiagnostics* aDiagnostics) const;
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// Creates a PlatformDecoderModule that uses a CDMProxy to decrypt or
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// decrypt-and-decode EME encrypted content. If the CDM only decrypts and
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// does not decode, we create a PDM and use that to create MediaDataDecoders
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// that we use on on aTaskQueue to decode the decrypted stream.
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// This is called on the decode task queue.
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void SetCDMProxy(CDMProxy* aProxy);
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static constexpr int kYUV400 = 0;
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static constexpr int kYUV420 = 1;
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static constexpr int kYUV422 = 2;
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static constexpr int kYUV444 = 3;
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private:
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virtual ~PDMFactory();
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void CreatePDMs();
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void CreateNullPDM();
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// Startup the provided PDM and add it to our list if successful.
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bool StartupPDM(PlatformDecoderModule* aPDM, bool aInsertAtBeginning = false);
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// Returns the first PDM in our list supporting the mimetype.
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already_AddRefed<PlatformDecoderModule> GetDecoder(
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const TrackInfo& aTrackInfo,
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DecoderDoctorDiagnostics* aDiagnostics) const;
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already_AddRefed<MediaDataDecoder> CreateDecoderWithPDM(
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PlatformDecoderModule* aPDM, const CreateDecoderParams& aParams);
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nsTArray<RefPtr<PlatformDecoderModule>> mCurrentPDMs;
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RefPtr<PlatformDecoderModule> mEMEPDM;
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RefPtr<PlatformDecoderModule> mNullPDM;
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bool mWMFFailedToLoad = false;
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bool mFFmpegFailedToLoad = false;
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bool mGMPPDMFailedToStartup = false;
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void EnsureInit() const;
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template <class T>
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friend class StaticAutoPtr;
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static StaticAutoPtr<PDMFactoryImpl> sInstance;
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static StaticMutex sMonitor;
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};
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} // namespace mozilla
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#endif /* PDMFactory_h_ */
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