Index: content/common/media/cdm_host_files.h |
diff --git a/content/common/media/cdm_host_files.h b/content/common/media/cdm_host_files.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..25ce670025f9f6d8f9ff30263c01c71e63596a79 |
--- /dev/null |
+++ b/content/common/media/cdm_host_files.h |
@@ -0,0 +1,96 @@ |
+// 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 CONTENT_COMMON_MEDIA_CDM_HOST_FILES_H_ |
+#define CONTENT_COMMON_MEDIA_CDM_HOST_FILES_H_ |
+ |
+#include <map> |
+#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/memory/ptr_util.h" |
+#include "base/native_library.h" |
+#include "base/path_service.h" |
+#include "build/build_config.h" |
+#include "content/common/media/cdm_host_file.h" |
+#include "content/common/pepper_plugin_list.h" |
+#include "content/public/common/pepper_plugin_info.h" |
+#include "media/cdm/cdm_paths.h" |
+#include "media/cdm/content_decryption_module_ext.h" |
+ |
+// On systems that use the zygote process to spawn child processes, we must |
+// open files in the zygote process. |
+#if defined(OS_POSIX) && !defined(OS_NACL) && !defined(OS_MACOSX) && \ |
Greg K
2016/12/16 22:10:41
Is it simpler to just say defined(OS_LINUX)? Do an
xhwang
2016/12/16 22:30:15
Good question. This was what I originally did. But
Greg K
2016/12/16 22:34:41
You're right. I looked at the definition of OS_POS
xhwang
2016/12/16 22:37:06
Does it make sense to have an official USE_ZYGOTE
Greg K
2017/01/09 21:45:15
We may want to define that flag but you probably d
xhwang
2017/01/12 20:15:02
okay, then I'll keep this as is.
|
+ !defined(OS_ANDROID) |
+#define POSIX_WITH_ZYGOTE 1 |
+#endif |
+ |
+namespace base { |
+class FilePath; |
+} |
+ |
+namespace content { |
+ |
+// Manages all CDM host files. |
+class CdmHostFiles { |
+ public: |
+ CdmHostFiles(); |
+ ~CdmHostFiles(); |
+ |
+#if defined(POSIX_WITH_ZYGOTE) |
+ static void CreateGlobalInstance(); |
+ static std::unique_ptr<CdmHostFiles> TakeGlobalInstance(); |
+#endif |
+ |
+ static std::unique_ptr<CdmHostFiles> Create( |
+ const base::FilePath& cdm_adapter_path); |
+ |
+ // Verifies |cdm_adapter_path| CDM files by calling VerifyCdmFiles() on the |
+ // CDM |library|. If unexpected error happens, all files will be closed. |
Greg K
2017/01/09 21:45:15
What do you mean by "calling VerifyCdmFiles() on t
xhwang
2017/01/12 20:15:02
oops, it should be "calling VerifyHostFiles() expo
xhwang
2017/01/18 06:03:59
Done.
|
+ // Otherwise, the PlatformFiles are passed to the CDM which will close the |
+ // files later. |
+ void VerifyFiles(base::NativeLibrary library, |
+ const base::FilePath& cdm_adapter_path); |
+ |
+ private: |
+#if defined(POSIX_WITH_ZYGOTE) |
+ // Opens all common files and CDM specific files for all registered CDMs. |
+ bool OpenFilesForAllRegisteredCdms(); |
+#endif |
+ |
+ // Opens all common files and CDM specific files for the CDM adapter |
+ // registered at |cdm_adapter_path|. |
+ bool OpenFiles(const base::FilePath& cdm_adapter_path); |
+ |
+ // Open common CDM host files shared by all CDMs. Upon failure, close all |
+ // files opened. |
+ bool OpenCommonFiles(); |
+ // Opens CDM specific files for the CDM adapter registered at |
Haoming Chen
2017/01/04 22:23:39
newline
xhwang
2017/01/12 20:15:02
Will do.
xhwang
2017/01/18 06:03:59
Done.
|
+ // |cdm_adapter_path|. Returns whether all CDM specific files are opened. |
+ // Upon failure, close all files opened. |
+ bool OpenCdmFiles(const base::FilePath& cdm_adapter_path); |
+ |
+ // Fills |cdm_host_files| with common and CDM specific files for |
+ // |cdm_adapter_path|. The ownership of those files are also transferred. |
+ // Returns true upon success where the remaining files will be closed. |
+ // Returns false upon any failure and all files will be closed. |
+ bool TakePlatformFiles(const base::FilePath& cdm_adapter_path, |
+ std::vector<cdm::CdmHostFile>* cdm_host_files); |
+ |
+ void CloseAllFiles(); |
+ |
+ using ScopedFileVector = std::vector<std::unique_ptr<CdmHostFile>>; |
+ ScopedFileVector common_files_; |
+ std::map<base::FilePath, ScopedFileVector> cdm_specific_files_map_; |
+}; |
+ |
+bool IsCdm(const base::FilePath& cdm_adapter_path); |
Haoming Chen
2017/01/04 22:23:38
Add some comments on this function.
xhwang
2017/01/12 20:15:02
Will do.
xhwang
2017/01/18 06:03:59
Done.
|
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_MEDIA_CDM_HOST_FILES_H_ |