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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/media/platforms/wmf/MFCDMProxy.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/platforms/wmf/MFCDMProxy.h')
-rw-r--r-- | dom/media/platforms/wmf/MFCDMProxy.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/dom/media/platforms/wmf/MFCDMProxy.h b/dom/media/platforms/wmf/MFCDMProxy.h new file mode 100644 index 0000000000..a2bb2be243 --- /dev/null +++ b/dom/media/platforms/wmf/MFCDMProxy.h @@ -0,0 +1,75 @@ +/* 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/. */ + +#ifndef DOM_MEDIA_PLATFORM_WMF_MFCDMPROXY_H +#define DOM_MEDIA_PLATFORM_WMF_MFCDMPROXY_H + +#include <map> +#include <mfobjects.h> +#include <unknwn.h> +#include <windef.h> +#include <wrl.h> + +#include "MFCDMExtra.h" +#include "nsISupportsImpl.h" + +namespace mozilla { + +/** + * MFCDMProxy wraps a IMFContentDecryptionModule and provides some high level + * helper methods in order to allow caller to interact with the wrapped CDM. + */ +class MFCDMProxy { + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MFCDMProxy); + + MFCDMProxy(IMFContentDecryptionModule* aCDM, uint64_t aCDMParentId); + + public: + // Return a IMediaProtectionPMPServer from the existing CDM. + HRESULT GetPMPServer(REFIID aRiid, LPVOID* aPMPServerOut); + + // Return a IMFInputTrustAuthority for given stream id, the same stream ID + // always maps to the same IMFInputTrustAuthority. In addition, + // `aContentInitData` is optional initialization data as in + // https://www.w3.org/TR/encrypted-media/#initialization-data + HRESULT GetInputTrustAuthority(uint32_t aStreamId, + const uint8_t* aContentInitData, + uint32_t aContentInitDataSize, REFIID aRiid, + IUnknown** aInputTrustAuthorityOut); + + // Set IMFContentEnabler to the existing CDM, `aRequest` should be a inherited + // class of `IMFContentEnabler`. + HRESULT SetContentEnabler(IUnknown* aRequest, IMFAsyncResult* aResult); + + // Notify the CDM on DRM_E_TEE_INVALID_HWDRM_STATE (0x8004cd12), which happens + // in cases like OS Sleep. In this case, the CDM should close all sessions + // because they are in bad state. + void OnHardwareContextReset(); + + void Shutdown(); + + // TODO : set last key id in order to let CDM use the key IDs information to + // perform some optimization. + + private: + ~MFCDMProxy(); + + Microsoft::WRL::ComPtr<IMFContentDecryptionModule> mCDM; + + // The same ITA is always mapping to the same stream Id. + std::map<uint32_t /* stream Id */, + Microsoft::WRL::ComPtr<IMFInputTrustAuthority>> + mInputTrustAuthorities; + + Microsoft::WRL::ComPtr<IMFTrustedInput> mTrustedInput; + + const uint64_t mCDMParentId; + + // TODO : need some events? (Eg. significant playback, error, hardware context + // reset) +}; + +} // namespace mozilla + +#endif // DOM_MEDIA_PLATFORM_WMF_MFCDMPROXY_H |