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      1 /*
      2  * Copyright (C) 2017 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 ANDROID_EFFECTSFACTORYSTATE_H_
     18 #define ANDROID_EFFECTSFACTORYSTATE_H_
     19 
     20 #include "EffectsFactory.h"
     21 
     22 #if __cplusplus
     23 extern "C" {
     24 #endif
     25 
     26 /** @file Contains the state shared with configuration loader of the Effect factory.
     27  *        This global state should probably be refactor in a structure
     28  *        provided by the config loader on EffectsFactory init.
     29  *        This header also contains some helper functions to work on the state.
     30  */
     31 
     32 extern list_elem_t *gLibraryList; // list of lib_entry_t: all currently loaded libraries
     33 // list of effects skipped because of duplicate uuid or invalid version
     34 extern list_elem_t *gSkippedEffects;
     35 // list of effect_descriptor and list of sub effects : all currently loaded
     36 // It does not contain effects without sub effects.
     37 extern list_sub_elem_t *gSubEffectList;
     38 extern pthread_mutex_t gLibLock; // controls access to gLibraryList
     39 
     40 extern list_elem_t *gLibraryFailedList;  //list of lib_failed_entry_t: libraries failed to load
     41 
     42 
     43 
     44 int findEffect(const effect_uuid_t *type,
     45                const effect_uuid_t *uuid,
     46                lib_entry_t **lib,
     47                effect_descriptor_t **desc);
     48 
     49 int stringToUuid(const char *str, effect_uuid_t *uuid);
     50 /** Used to log UUIDs */
     51 int uuidToString(const effect_uuid_t *uuid, char *str, size_t maxLen);
     52 
     53 /** Used for debuging. */
     54 void dumpEffectDescriptor(effect_descriptor_t *desc, char *str, size_t len, int indent);
     55 
     56 #if __cplusplus
     57 } // extern "C"
     58 #endif
     59 
     60 #endif // ANDROID_EFFECTSFACTORYSTATE_H_
     61