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-rwxr-xr-xmedia/libeffects/lvm/lib/Common/src/Shift_Sat_v16xv16.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Common/src/Shift_Sat_v16xv16.c b/media/libeffects/lvm/lib/Common/src/Shift_Sat_v16xv16.c
new file mode 100755
index 0000000..e449a7f
--- /dev/null
+++ b/media/libeffects/lvm/lib/Common/src/Shift_Sat_v16xv16.c
@@ -0,0 +1,89 @@
+/*
+ * 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.
+ */
+
+/**********************************************************************************
+
+ $Author: beq07716 $
+ $Revision: 1000 $
+ $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $
+
+***********************************************************************************/
+
+/**********************************************************************************
+ INCLUDE FILES
+***********************************************************************************/
+
+#include "VectorArithmetic.h"
+
+/**********************************************************************************
+ FUNCTION Shift_Sat_v16xv16
+***********************************************************************************/
+
+void Shift_Sat_v16xv16 (const LVM_INT16 val,
+ const LVM_INT16 *src,
+ LVM_INT16 *dst,
+ LVM_INT16 n)
+{
+ LVM_INT32 temp;
+ LVM_INT32 ii;
+ LVM_INT16 RShift;
+ if(val>0)
+ {
+ for (ii = n; ii != 0; ii--)
+ {
+ temp = (LVM_INT32)*src;
+ src++;
+
+ temp = temp << val;
+
+ if (temp > 0x00007FFF)
+ {
+ *dst = 0x7FFF;
+ }
+ else if (temp < -0x00008000)
+ {
+ *dst = - 0x8000;
+ }
+ else
+ {
+ *dst = (LVM_INT16)temp;
+ }
+ dst++;
+ }
+ }
+ else if(val<0)
+ {
+ RShift=(LVM_INT16)(-val);
+
+ for (ii = n; ii != 0; ii--)
+ {
+ *dst = (LVM_INT16)(*src >> RShift);
+ dst++;
+ src++;
+ }
+ }
+ else
+ {
+ if(src!=dst)
+ {
+ Copy_16(src,dst,n);
+ }
+ }
+ return;
+}
+
+/**********************************************************************************/