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// Copyright 2017 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_MODULE_H_
#define MEDIA_CDM_CDM_MODULE_H_
#include <memory>
#include <vector>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/scoped_native_library.h"
#include "media/base/media_export.h"
#include "media/cdm/api/content_decryption_module.h"
#include "media/media_features.h"
#if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
#include "media/cdm/cdm_host_file.h"
#include "media/cdm/cdm_host_files.h"
#endif // BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
namespace media {
class MEDIA_EXPORT CdmModule {
public:
static CdmModule* GetInstance();
// Reset the CdmModule instance so that each test have it's own instance.
static void ResetInstanceForTesting();
~CdmModule();
using CreateCdmFunc = void* (*)(int cdm_interface_version,
const char* key_system,
uint32_t key_system_size,
GetCdmHostFunc get_cdm_host_func,
void* user_data);
CreateCdmFunc GetCreateCdmFunc();
// Loads the CDM, initialize function pointers and initialize the CDM module.
// This must only be called only once.
#if BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
bool Initialize(const base::FilePath& cdm_path,
std::vector<CdmHostFilePath> cdm_host_file_paths);
#else
bool Initialize(const base::FilePath& cdm_path);
#endif // BUILDFLAG(ENABLE_CDM_HOST_VERIFICATION)
// Calls INITIALIZE_CDM_MODULE on the actually library CDM. Must be called
// within the sandbox!
void InitializeCdmModule();
base::FilePath GetCdmPath() const;
bool was_initialize_called() const { return was_initialize_called_; }
private:
using InitializeCdmModuleFunc = void (*)();
using DeinitializeCdmModuleFunc = void (*)();
CdmModule();
bool was_initialize_called_ = false;
base::FilePath cdm_path_;
base::ScopedNativeLibrary library_;
CreateCdmFunc create_cdm_func_ = nullptr;
InitializeCdmModuleFunc initialize_cdm_module_func_ = nullptr;
DeinitializeCdmModuleFunc deinitialize_cdm_module_func_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(CdmModule);
};
} // namespace media
#endif // MEDIA_CDM_CDM_MODULE_H_