From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../platforms/agnostic/gmp/GMPDecoderModule.h | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 dom/media/platforms/agnostic/gmp/GMPDecoderModule.h (limited to 'dom/media/platforms/agnostic/gmp/GMPDecoderModule.h') diff --git a/dom/media/platforms/agnostic/gmp/GMPDecoderModule.h b/dom/media/platforms/agnostic/gmp/GMPDecoderModule.h new file mode 100644 index 000000000..b501ecb54 --- /dev/null +++ b/dom/media/platforms/agnostic/gmp/GMPDecoderModule.h @@ -0,0 +1,57 @@ +/* -*- 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(GMPDecoderModule_h_) +#define GMPDecoderModule_h_ + +#include "PlatformDecoderModule.h" +#include "mozilla/Maybe.h" + +// The special NodeId we use when doing unencrypted decoding using the GMP's +// decoder. This ensures that each GMP MediaDataDecoder we create doesn't +// require spinning up a new process, but instead we run all instances of +// GMP decoders in the one process, to reduce overhead. +// +// Note: GMP storage is isolated by NodeId, and non persistent for this +// special NodeId, and the only way a GMP can communicate with the outside +// world is through the EME GMP APIs, and we never run EME with this NodeID +// (because NodeIds are random strings which can't contain the '-' character), +// so there's no way a malicious GMP can harvest, store, and then report any +// privacy sensitive data about what users are watching. +#define SHARED_GMP_DECODING_NODE_ID NS_LITERAL_CSTRING("gmp-shared-decoding") + +namespace mozilla { + +class GMPDecoderModule : public PlatformDecoderModule { +public: + GMPDecoderModule(); + + virtual ~GMPDecoderModule(); + + // Decode thread. + already_AddRefed + CreateVideoDecoder(const CreateDecoderParams& aParams) override; + + // Decode thread. + already_AddRefed + CreateAudioDecoder(const CreateDecoderParams& aParams) override; + + ConversionRequired + DecoderNeedsConversion(const TrackInfo& aConfig) const override; + + bool + SupportsMimeType(const nsACString& aMimeType, + DecoderDoctorDiagnostics* aDiagnostics) const override; + + static const Maybe PreferredGMP(const nsACString& aMimeType); + + static bool SupportsMimeType(const nsACString& aMimeType, + const Maybe& aGMP); +}; + +} // namespace mozilla + +#endif // GMPDecoderModule_h_ -- cgit v1.2.3