First submission of audio effect library from NXP software.

This CL contains the first open sourceable version of the audio effect library from NXP software.
The effects implemented are:
- Bass boost
- Virtualizer (stereo widening)
- Equalizer
- Spectrum analyzer

Source file for the effect engines are located under libeffects/lvm/lib
The wrapper implementing the interface with the audio effect framework in under libeffects/lvm/wrapper

The code of other effect libraries has also been reorganized fo clarity:
- the effect factory is now under libeffects/factory
- the test equalizer and reverb effects are under libeffect/testlibs
- the visualizer is under libeffects/virtualizer

Change-Id: I8d91e2181f81b89f8fc0c1e1e6bf552c5809b2eb

1 files changed, 56 insertions, 0 deletions

diff --git a/media/libeffects/factory/EffectsFactory.h b/media/libeffects/factory/EffectsFactory.h
new file mode 100644
index 0000000..8f543ca
--- /dev/null
+++ b/media/libeffects/factory/EffectsFactory.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * 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 ANDROID_EFFECTSFACTORY_H_
+#define ANDROID_EFFECTSFACTORY_H_
+
+#include <cutils/log.h>
+#include <pthread.h>
+#include <dirent.h>
+#include <media/EffectsFactoryApi.h>
+
+
+#if __cplusplus
+extern "C" {
+#endif
+
+typedef struct list_elem_s {
+    void *object;
+    struct list_elem_s *next;
+} list_elem_t;
+
+typedef struct lib_entry_s {
+    char path[PATH_MAX];
+    void *handle;
+    int id;
+    effect_CreateEffect_t createFx;
+    effect_ReleaseEffect_t releaseFx;
+    list_elem_t *effects; //list of effect_descriptor_t
+    pthread_mutex_t lock;
+} lib_entry_t;
+
+typedef struct effect_entry_s {
+    struct effect_interface_s *itfe;
+    effect_interface_t subItfe;
+    lib_entry_t *lib;
+} effect_entry_t;
+
+#if __cplusplus
+}  // extern "C"
+#endif
+
+
+#endif /*ANDROID_EFFECTSFACTORY_H_*/