2 files changed, 4 insertions, 26 deletions
diff --git a/media/libeffects/preprocessing/Android.mk b/media/libeffects/preprocessing/Android.mk
index c13b9d4..dfa1711 100755
--- a/media/libeffects/preprocessing/Android.mk
+++ b/media/libeffects/preprocessing/Android.mk
@@ -29,4 +29,6 @@ else
 LOCAL_SHARED_LIBRARIES += libdl
 endif
 
+LOCAL_CFLAGS += -fvisibility=hidden
+
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libeffects/preprocessing/PreProcessing.cpp b/media/libeffects/preprocessing/PreProcessing.cpp
index 597866a..25586e8 100755
--- a/media/libeffects/preprocessing/PreProcessing.cpp
+++ b/media/libeffects/preprocessing/PreProcessing.cpp
@@ -1818,30 +1818,6 @@ const struct effect_interface_s sEffectInterfaceReverse = {
 // Effect Library Interface Implementation
 //------------------------------------------------------------------------------
 
-int PreProcessingLib_QueryNumberEffects(uint32_t *pNumEffects)
-{
-    if (PreProc_Init() != 0) {
-        return sInitStatus;
-    }
-    if (pNumEffects == NULL) {
-        return -EINVAL;
-    }
-    *pNumEffects = PREPROC_NUM_EFFECTS;
-    return sInitStatus;
-}
-
-int PreProcessingLib_QueryEffect(uint32_t index, effect_descriptor_t *pDescriptor)
-{
-    if (PreProc_Init() != 0) {
-        return sInitStatus;
-    }
-    if (index >= PREPROC_NUM_EFFECTS) {
-        return -EINVAL;
-    }
-    *pDescriptor = *sDescriptors[index];
-    return 0;
-}
-
 int PreProcessingLib_Create(const effect_uuid_t *uuid,
                             int32_t             sessionId,
                             int32_t             ioId,
@@ -1913,13 +1889,13 @@ int PreProcessingLib_GetDescriptor(const effect_uuid_t *uuid,
     return 0;
 }
 
+// This is the only symbol that needs to be exported
+__attribute__ ((visibility ("default")))
 audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
     tag : AUDIO_EFFECT_LIBRARY_TAG,
     version : EFFECT_LIBRARY_API_VERSION,
     name : "Audio Preprocessing Library",
     implementor : "The Android Open Source Project",
-    query_num_effects : PreProcessingLib_QueryNumberEffects,
-    query_effect : PreProcessingLib_QueryEffect,
     create_effect : PreProcessingLib_Create,
     release_effect : PreProcessingLib_Release,
     get_descriptor : PreProcessingLib_GetDescriptor