| // Copyright 2016 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_CDM_HOST_FILES_H_ |
| #define MEDIA_CDM_CDM_HOST_FILES_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/files/file.h" |
| #include "base/files/file_path.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/native_library.h" |
| #include "base/path_service.h" |
| #include "build/build_config.h" |
| #include "media/base/media_export.h" |
| #include "media/cdm/api/content_decryption_module_ext.h" |
| #include "media/cdm/cdm_host_file.h" |
| #include "media/cdm/cdm_paths.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace media { |
| |
| // Manages all CDM host files. |
| class MEDIA_EXPORT CdmHostFiles { |
| public: |
| CdmHostFiles(); |
| ~CdmHostFiles(); |
| |
| // Opens all common files and CDM specific files for the CDM at |cdm_path|. |
| void Initialize(const base::FilePath& cdm_path, |
| const std::vector<CdmHostFilePath>& cdm_host_file_paths); |
| |
| // Status of CDM host verification. |
| // Note: Reported to UMA. Do not change the values. |
| enum class Status { |
| kNotCalled = 0, |
| kSuccess = 1, |
| kCdmLoadFailed = 2, |
| kGetFunctionFailed = 3, |
| kInitVerificationFailed = 4, |
| kStatusCount |
| }; |
| |
| // Initializes the verification of CDM files by calling the function exported |
| // by the CDM. If unexpected error happens, all files will be closed. |
| // Otherwise, the PlatformFiles are passed to the CDM which will close the |
| // files later. |
| // NOTE: Initialize() must be called before calling this. |
| Status InitVerification(base::NativeLibrary cdm_library); |
| |
| void CloseAllFiles(); |
| |
| private: |
| // Opens common CDM host files shared by all CDMs. |
| void OpenCommonFiles(const std::vector<CdmHostFilePath>& cdm_host_file_paths); |
| |
| // Opens the CDM file. |
| void OpenCdmFile(const base::FilePath& cdm_path); |
| |
| // Fills |cdm_host_files| with common and CDM specific files. The ownership |
| // of those files are also transferred. |
| void TakePlatformFiles(std::vector<cdm::HostFile>* cdm_host_files); |
| |
| using ScopedFileVector = std::vector<std::unique_ptr<CdmHostFile>>; |
| |
| // Files common to all CDM types, e.g. main executable. |
| ScopedFileVector common_files_; |
| |
| // Files specific to each CDM type, e.g. the CDM binary. |
| ScopedFileVector cdm_specific_files_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CdmHostFiles); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_CDM_CDM_HOST_FILES_H_ |