img_pix_expand_c.c

dm642函数库

/* ======================================================================== */
/*  TEXAS INSTRUMENTS, INC.                                                 */
/*                                                                          */
/*  IMGLIB  DSP Image/Video Processing Library                              */
/*                                                                          */
/*  This library contains proprietary intellectual property of Texas        */
/*  Instruments, Inc.  The library and its source code are protected by     */
/*  various copyrights, and portions may also be protected by patents or    */
/*  other legal protections.                                                */
/*                                                                          */
/*  This software is licensed for use with Texas Instruments TMS320         */
/*  family DSPs.  This license was provided to you prior to installing      */
/*  the software.  You may review this license by consulting the file       */
/*  TI_license.PDF which accompanies the files in this library.             */
/* ------------------------------------------------------------------------ */
/*          Copyright (C) 2002 Texas Instruments, Incorporated.             */
/*                          All Rights Reserved.                            */
/* ======================================================================== */


/* ======================================================================== */
/*  TEXAS INSTRUMENTS, INC.                                                 */
/*                                                                          */
/*  NAME                                                                    */
/*      IMG_pix_expand                                                      */
/*                                                                          */
/*  REVISION DATE                                                           */
/*      14-Oct-2000                                                         */
/*                                                                          */
/*  USAGE                                                                   */
/*      This routine is C-callable and can be called as:                    */
/*                                                                          */
/*      void IMG_pix_expand                                                 */
/*      (                                                                   */
/*          int n,                                    // # of elements //   */
/*          const unsigned char *restrict in_data,    // Input data    //   */
/*          short               *restrict out_data    // Output data   //   */
/*      )                                                                   */
/*                                                                          */
/*  DESCRIPTION                                                             */
/*      Reads an array of unsigned 8-bit values and store them to a         */
/*      16-bit array.  This step is often used as the first step            */
/*      when processing pixels or other low-precision data at 16-bit        */
/*      intermediate precision.                                             */
/*                                                                          */
/* ------------------------------------------------------------------------ */
/*            Copyright (c) 2002 Texas Instruments, Incorporated.           */
/*                           All Rights Reserved.                           */
/* ======================================================================== */

void IMG_pix_expand_c
(
    int n,
    const unsigned char *restrict in_data,
    short               *restrict out_data
)
{
    int i;

    for (i = 0; i < n; i++)
        out_data[i] =  in_data[i];
}

/* ======================================================================== */
/*  End of file:  img_pix_expand.c                                          */
/* ------------------------------------------------------------------------ */
/*            Copyright (c) 2002 Texas Instruments, Incorporated.           */
/*                           All Rights Reserved.                           */
/* ======================================================================== */