12c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* 22c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2004-2010 NXP Software 32c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2010 The Android Open Source Project 42c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 52c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 62c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * you may not use this file except in compliance with the License. 72c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * You may obtain a copy of the License at 82c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 92c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * http://www.apache.org/licenses/LICENSE-2.0 102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Unless required by applicable law or agreed to in writing, software 122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * See the License for the specific language governing permissions and 152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * limitations under the License. 162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent */ 172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent %created_by: sra % (CM/S) 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent %name: Mac3s_Sat_16x16.c % (CM/S) 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent %version: 1 % (CM/S) 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent %date_created: Fri Nov 13 12:07:13 2009 % (CM/S) 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent INCLUDE FILES 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "VectorArithmetic.h" 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVM_Macros.h" 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION Mac3S_16X16 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid Mac3s_Sat_16x16( const LVM_INT16 *src, 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT16 val, 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dst, 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 ii; 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 srcval; 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 Temp,dInVal; 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = n; ii != 0; ii--) 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent srcval=*src; 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent src++; 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Temp = (srcval *val)>>15; 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dInVal = (LVM_INT32)*dst; 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Temp = Temp + dInVal; 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Temp > 0x00007FFF) 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = 0x7FFF; 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Temp < -0x00008000) 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = - 0x8000; 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = (LVM_INT16)Temp; 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dst++; 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent return; 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 82