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146 lines
3.5 KiB
146 lines
3.5 KiB
14 years ago
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/* Copyright (C) 2002 Jean-Marc Valin
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File: mics.c
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Various utility routines for Speex
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "misc.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#ifndef RELEASE
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void print_vec(float *vec, int len, char *name)
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{
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int i;
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printf ("%s ", name);
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for (i=0;i<len;i++)
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printf (" %f", vec[i]);
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printf ("\n");
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}
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#endif
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unsigned int be_int(unsigned int i)
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{
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unsigned int ret=i;
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#ifndef WORDS_BIGENDIAN
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ret = i>>24;
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ret += (i>>8)&0x0000ff00;
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ret += (i<<8)&0x00ff0000;
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ret += (i<<24);
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#endif
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return ret;
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}
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unsigned int le_int(unsigned int i)
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{
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unsigned int ret=i;
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#ifdef WORDS_BIGENDIAN
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ret = i>>24;
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ret += (i>>8)&0x0000ff00;
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ret += (i<<8)&0x00ff0000;
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ret += (i<<24);
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#endif
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return ret;
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}
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unsigned short be_short(unsigned short s)
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{
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unsigned short ret=s;
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#ifndef WORDS_BIGENDIAN
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ret = s>>8;
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ret += s<<8;
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#endif
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return ret;
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}
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unsigned short le_short(unsigned short s)
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{
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unsigned short ret=s;
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#ifdef WORDS_BIGENDIAN
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ret = s>>8;
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ret += s<<8;
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#endif
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return ret;
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}
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void *speex_alloc (int size)
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{
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return calloc(size,1);
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}
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void *speex_realloc (void *ptr, int size)
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{
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return realloc(ptr, size);
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}
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void speex_free (void *ptr)
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{
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free(ptr);
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}
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void *speex_move (void *dest, void *src, int n)
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{
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return memmove(dest,src,n);
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}
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void speex_error(char *str)
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{
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fprintf (stderr, "Fatal error: %s\n", str);
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exit(1);
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}
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void speex_warning(char *str)
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{
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fprintf (stderr, "warning: %s\n", str);
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}
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void speex_warning_int(char *str, int val)
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{
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fprintf (stderr, "warning: %s %d\n", str, val);
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}
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void speex_rand_vec(float std, float *data, int len)
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{
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int i;
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for (i=0;i<len;i++)
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data[i]+=3*std*((((float)rand())/RAND_MAX)-.5);
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}
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float speex_rand(float std)
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{
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return 3*std*((((float)rand())/RAND_MAX)-.5);
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}
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void _speex_putc(int ch, void *file)
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{
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FILE *f = (FILE *)file;
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fputc(ch, f);
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}
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