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 From2iToMS_16x16 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid From2iToMS_16x16( const LVM_INT16 *src, 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dstM, 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dstS, 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n ) 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 temp1,left,right; 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 ii; 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = n; ii != 0; ii--) 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent left = (LVM_INT32)*src; 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent src++; 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent right = (LVM_INT32)*src; 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent src++; 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Compute M signal*/ 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent temp1 = (left+right)>>1; 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dstM = (LVM_INT16)temp1; 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dstM++; 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Compute S signal*/ 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent temp1 = (left-right)>>1; 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dstS = (LVM_INT16)temp1; 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent dstS++; 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent return; 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 58