| /* |
| * cmodule.h, component module interface class |
| * |
| * Copyright (c) 2009-2010 Wind River Systems, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __CMODULE_H |
| #define __CMODULE_H |
| |
| #include <module.h> |
| |
| /* |
| * WRS OMX-IL Component Module Symbol |
| */ |
| #define WRS_OMXIL_CMODULE_SYMBOL WRS_OMXIL_CMODULE |
| #define WRS_OMXIL_CMODULE_SYMBOL_STRING "WRS_OMXIL_CMODULE" |
| |
| struct wrs_omxil_cmodule_ops_s { |
| OMX_ERRORTYPE (*instantiate)(OMX_PTR *); |
| }; |
| |
| struct wrs_omxil_cmodule_s { |
| const char *name; |
| |
| const char **roles; |
| const int nr_roles; |
| |
| struct wrs_omxil_cmodule_ops_s *ops; |
| }; |
| |
| class ComponentBase; |
| |
| class CModule { |
| public: |
| CModule(const OMX_STRING lname); |
| ~CModule(); |
| |
| /* |
| * library loading / unloading |
| */ |
| OMX_ERRORTYPE Load(int flag); |
| OMX_U32 Unload(void); |
| |
| /* end of library loading / unloading */ |
| |
| /* |
| * accessor |
| */ |
| /* library name */ |
| OMX_STRING GetLibraryName(void); |
| |
| /* component name and roles */ |
| OMX_STRING GetComponentName(void); |
| OMX_ERRORTYPE GetComponentRoles(OMX_U32 *nr_roles, OMX_U8 **roles); |
| |
| bool QueryHavingThisRole(const OMX_STRING role); |
| |
| /* end of accessor */ |
| |
| /* library symbol method and helpers */ |
| OMX_ERRORTYPE QueryComponentNameAndRoles(void); |
| OMX_ERRORTYPE InstantiateComponent(ComponentBase **instance); |
| |
| /* end of library symbol method and helpers */ |
| |
| private: |
| /* |
| * library symbol |
| */ |
| struct wrs_omxil_cmodule_s *wrs_omxil_cmodule; |
| |
| /* end of library symbol */ |
| |
| /* component name */ |
| char cname[OMX_MAX_STRINGNAME_SIZE]; |
| |
| /* component roles */ |
| OMX_U8 **roles; |
| OMX_U32 nr_roles; |
| |
| /* library name */ |
| char lname[OMX_MAX_STRINGNAME_SIZE]; |
| /* utils::module */ |
| struct module *module; |
| }; |
| |
| #endif /* __CMODULE_H */ |