1 /* Copyright (C) 2002 Jean-Marc Valin
3 Various utility routines for Speex
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
9 - Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
12 - Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
16 - Neither the name of the Xiph.org Foundation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
24 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 void print_vec(float *vec
, int len
, char *name
)
44 printf (" %f", vec
[i
]);
49 unsigned int be_int(unsigned int i
)
52 #ifndef WORDS_BIGENDIAN
54 ret
+= (i
>>8)&0x0000ff00;
55 ret
+= (i
<<8)&0x00ff0000;
61 unsigned int le_int(unsigned int i
)
64 #ifdef WORDS_BIGENDIAN
66 ret
+= (i
>>8)&0x0000ff00;
67 ret
+= (i
<<8)&0x00ff0000;
73 unsigned short be_short(unsigned short s
)
76 #ifndef WORDS_BIGENDIAN
83 unsigned short le_short(unsigned short s
)
86 #ifdef WORDS_BIGENDIAN
93 void *speex_alloc (int size
)
95 return calloc(size
,1);
98 void *speex_realloc (void *ptr
, int size
)
100 return realloc(ptr
, size
);
103 void speex_free (void *ptr
)
108 void *speex_move (void *dest
, void *src
, int n
)
110 return memmove(dest
,src
,n
);
113 void speex_error(char *str
)
115 fprintf (stderr
, "Fatal error: %s\n", str
);
119 void speex_warning(char *str
)
121 fprintf (stderr
, "warning: %s\n", str
);
124 void speex_warning_int(char *str
, int val
)
126 fprintf (stderr
, "warning: %s %d\n", str
, val
);
129 void speex_rand_vec(float std
, float *data
, int len
)
133 data
[i
]+=3*std
*((((float)rand())/RAND_MAX
)-.5);
136 float speex_rand(float std
)
138 return 3*std
*((((float)rand())/RAND_MAX
)-.5);
141 void _speex_putc(int ch
, void *file
)
143 FILE *f
= (FILE *)file
;