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 INCLUDE FILES 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "VectorArithmetic.h" 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION MSTO2I_SAT_16X16 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid MSTo2i_Sat_16x16(const LVM_INT16 *srcM, 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT16 *srcS, 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dst, 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n ) 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 temp,mVal,sVal; 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 ii; 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = n; ii != 0; ii--) 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent mVal=(LVM_INT32)*srcM; 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent srcM++; 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent sVal=(LVM_INT32)*srcS; 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent srcS++; 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent temp = mVal + sVal; 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (temp > 0x00007FFF) 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = 0x7FFF; 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (temp < -0x00008000) 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = - 0x8000; 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = (LVM_INT16)temp; 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dst++; 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent temp = mVal - sVal; 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (temp > 0x00007FFF) 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = 0x7FFF; 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (temp < -0x00008000) 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = - 0x8000; 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst = (LVM_INT16)temp; 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dst++; 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent return; 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 81