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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef OMX_PLUGIN_BASE_H_
     18 
     19 #define OMX_PLUGIN_BASE_H_
     20 
     21 #include <sys/types.h>
     22 
     23 #include <OMX_Component.h>
     24 
     25 #include <utils/String8.h>
     26 #include <utils/Vector.h>
     27 
     28 namespace android {
     29 
     30 struct OMXComponentBase;
     31 
     32 struct OMXPluginBase {
     33     OMXPluginBase() {}
     34     virtual ~OMXPluginBase() {}
     35 
     36     virtual OMX_ERRORTYPE makeComponentInstance(
     37             const char *name,
     38             const OMX_CALLBACKTYPE *callbacks,
     39             OMX_PTR appData,
     40             OMX_COMPONENTTYPE **component) = 0;
     41 
     42     virtual OMX_ERRORTYPE destroyComponentInstance(
     43             OMX_COMPONENTTYPE *component) = 0;
     44 
     45     virtual OMX_ERRORTYPE enumerateComponents(
     46             OMX_STRING name,
     47             size_t size,
     48             OMX_U32 index) = 0;
     49 
     50     virtual OMX_ERRORTYPE getRolesOfComponent(
     51             const char *name,
     52             Vector<String8> *roles) = 0;
     53 
     54 private:
     55     OMXPluginBase(const OMXPluginBase &);
     56     OMXPluginBase &operator=(const OMXPluginBase &);
     57 };
     58 
     59 }  // namespace android
     60 
     61 #endif  // OMX_PLUGIN_BASE_H_
     62