123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103 |
- // Copyright 2020 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef MEDIA_CDM_WIN_MEDIA_FOUNDATION_CDM_FACTORY_H_
- #define MEDIA_CDM_WIN_MEDIA_FOUNDATION_CDM_FACTORY_H_
- #include <mfcontentdecryptionmodule.h>
- #include <wrl.h>
- #include <map>
- #include <memory>
- #include <string>
- #include "base/callback.h"
- #include "base/files/file_path.h"
- #include "base/memory/weak_ptr.h"
- #include "base/unguessable_token.h"
- #include "base/win/scoped_com_initializer.h"
- #include "components/crash/core/common/crash_key.h"
- #include "media/base/cdm_factory.h"
- #include "media/base/media_export.h"
- #include "media/cdm/cdm_auxiliary_helper.h"
- namespace media {
- class MEDIA_EXPORT MediaFoundationCdmFactory final : public CdmFactory {
- public:
- MediaFoundationCdmFactory(std::unique_ptr<CdmAuxiliaryHelper> helper);
- MediaFoundationCdmFactory(const MediaFoundationCdmFactory&) = delete;
- MediaFoundationCdmFactory& operator=(const MediaFoundationCdmFactory&) =
- delete;
- ~MediaFoundationCdmFactory() override;
- // Provides a way to customize IMFContentDecryptionModuleFactory creation to
- // support different key systems and for testing.
- using CreateCdmFactoryCB = base::RepeatingCallback<HRESULT(
- Microsoft::WRL::ComPtr<IMFContentDecryptionModuleFactory>& factory)>;
- void SetCreateCdmFactoryCallbackForTesting(
- const std::string& key_system,
- CreateCdmFactoryCB create_cdm_factory_cb);
- // CdmFactory implementation.
- void Create(const CdmConfig& cdm_config,
- const SessionMessageCB& session_message_cb,
- const SessionClosedCB& session_closed_cb,
- const SessionKeysChangeCB& session_keys_change_cb,
- const SessionExpirationUpdateCB& session_expiration_update_cb,
- CdmCreatedCB cdm_created_cb) override;
- private:
- // Callback to MediaFoundationCDM to resolve the promise.
- using IsTypeSupportedResultCB = base::OnceCallback<void(bool is_supported)>;
- void OnCdmOriginIdObtained(
- const CdmConfig& cdm_config,
- const SessionMessageCB& session_message_cb,
- const SessionClosedCB& session_closed_cb,
- const SessionKeysChangeCB& session_keys_change_cb,
- const SessionExpirationUpdateCB& session_expiration_update_cb,
- CdmCreatedCB cdm_created_cb,
- const std::unique_ptr<MediaFoundationCdmData> media_foundation_cdm_data);
- HRESULT GetCdmFactory(
- const std::string& key_system,
- Microsoft::WRL::ComPtr<IMFContentDecryptionModuleFactory>& cdm_factory);
- void IsTypeSupported(const std::string& key_system,
- const std::string& content_type,
- IsTypeSupportedResultCB is_type_supported_result_cb);
- void StoreClientToken(const std::vector<uint8_t>& client_token);
- void OnCdmEvent(CdmEvent event);
- // Creates `mf_cdm` based on the input parameters. Same as
- // CreateMediaFoundationCdm() but returns the HRESULT in out parameter so we
- // can bind it to a repeating callback using weak pointer.
- void CreateMfCdm(const CdmConfig& cdm_config,
- const base::UnguessableToken& cdm_origin_id,
- const absl::optional<std::vector<uint8_t>>& cdm_client_token,
- const base::FilePath& cdm_store_path_root,
- HRESULT& hresult,
- Microsoft::WRL::ComPtr<IMFContentDecryptionModule>& mf_cdm);
- std::unique_ptr<CdmAuxiliaryHelper> helper_;
- // CDM origin crash key used in crash reporting.
- crash_reporter::ScopedCrashKeyString cdm_origin_crash_key_;
- // IMFContentDecryptionModule implementations typically require MTA to run.
- base::win::ScopedCOMInitializer com_initializer_{
- base::win::ScopedCOMInitializer::kMTA};
- // Key system to CreateCdmFactoryCB mapping. This is for testing only.
- std::map<std::string, CreateCdmFactoryCB> create_cdm_factory_cbs_for_testing_;
- // NOTE: Weak pointers must be invalidated before all other member variables.
- base::WeakPtrFactory<MediaFoundationCdmFactory> weak_factory_{this};
- };
- } // namespace media
- #endif // MEDIA_CDM_WIN_MEDIA_FOUNDATION_CDM_FACTORY_H_
|