1 files changed, 71 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Common/lib/Filter.h b/media/libeffects/lvm/lib/Common/lib/Filter.h
new file mode 100755
index 0000000..93ccbcb
--- /dev/null
+++ b/media/libeffects/lvm/lib/Common/lib/Filter.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2004-2010 NXP Software
+ * 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.
+ */
+
+/************************************************************************/
+/*                                                                      */
+/*     Project::                                                        */
+/*     $Author: beq07716 $*/
+/*     $Revision: 771 $*/
+/*     $Date: 2010-06-14 10:41:36 +0200 (Mon, 14 Jun 2010) $*/
+/*                                                                      */
+/************************************************************************/
+
+#ifndef _FILTER_H_
+#define _FILTER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**********************************************************************************
+   INCLUDES
+***********************************************************************************/
+#include "LVM_Types.h"
+#include "BIQUAD.h"
+
+
+/**********************************************************************************
+   DEFINES
+***********************************************************************************/
+#define FILTER_LOSS     32730       /* -0.01dB loss to avoid wrapping due to band ripple */
+
+/**********************************************************************************
+   FUNCTION PROTOTYPES
+***********************************************************************************/
+
+LVM_INT32 LVM_Polynomial(LVM_UINT16 N,
+                         LVM_INT32  *pCoefficients,
+                         LVM_INT32  X);
+
+LVM_INT32 LVM_Power10(   LVM_INT32  X);
+
+LVM_INT32 LVM_FO_LPF(    LVM_INT32  w,
+                         FO_C32_Coefs_t  *pCoeffs);
+
+LVM_INT32 LVM_FO_HPF(    LVM_INT32  w,
+                         FO_C32_Coefs_t  *pCoeffs);
+
+LVM_INT32   LVM_GetOmega(LVM_UINT16  Fc,
+                         LVM_Fs_en   SampleRate);
+
+/**********************************************************************************/
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif  /** _FILTER_H_ **/
+