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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/media/platforms/agnostic/gmp/GMPDecoderModule.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dom/media/platforms/agnostic/gmp/GMPDecoderModule.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/gmp/GMPDecoderModule.h b/dom/media/platforms/agnostic/gmp/GMPDecoderModule.h new file mode 100644 index 0000000000..1a131dc154 --- /dev/null +++ b/dom/media/platforms/agnostic/gmp/GMPDecoderModule.h @@ -0,0 +1,58 @@ +/* -*- 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 "gmp-shared-decoding"_ns + +namespace mozilla { + +class GMPDecoderModule : public PlatformDecoderModule { + template <typename T, typename... Args> + friend already_AddRefed<T> MakeAndAddRef(Args&&...); + + public: + static already_AddRefed<PlatformDecoderModule> Create(); + + // Decode thread. + already_AddRefed<MediaDataDecoder> CreateVideoDecoder( + const CreateDecoderParams& aParams) override; + + // Decode thread. + already_AddRefed<MediaDataDecoder> CreateAudioDecoder( + const CreateDecoderParams& aParams) override; + + media::DecodeSupportSet SupportsMimeType( + const nsACString& aMimeType, + DecoderDoctorDiagnostics* aDiagnostics) const override; + + static media::DecodeSupportSet SupportsMimeType( + const nsACString& aMimeType, const nsACString& aApi, + const Maybe<nsCString>& aKeySystem); + + private: + GMPDecoderModule() = default; + virtual ~GMPDecoderModule() = default; +}; + +} // namespace mozilla + +#endif // GMPDecoderModule_h_ |