summaryrefslogtreecommitdiffstats
path: root/apps/codecs/lib/xxx2wav.c
blob: cd09d32450d9fbc19858698fe12dcc008d544bf0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2005 Dave Chapman
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

/* Various "helper functions" common to all the xxx2wav decoder plugins  */

#if (CONFIG_CODEC == SWCODEC)
/* software codec platforms, not for simulator */

#include "codecs.h"
#include "xxx2wav.h"

extern struct codec_api* local_rb;

int mem_ptr;
int bufsize;
unsigned char* audiobuf;   /* The actual audio buffer from Rockbox */
unsigned char* mallocbuf;  /* 512K from the start of audio buffer */
unsigned char* filebuf;    /* The rest of the audio buffer */

void* codec_malloc(size_t size)
{
    void* x;

    if (mem_ptr + (int)size > bufsize)
        return NULL;
    
    x=&mallocbuf[mem_ptr];
    mem_ptr+=(size+3)&~3; /* Keep memory 32-bit aligned */

    return(x);
}

void* codec_calloc(size_t nmemb, size_t size)
{
    void* x;
    x = codec_malloc(nmemb*size);
    if (x == NULL)
        return NULL;
    local_rb->memset(x,0,nmemb*size);
    return(x);
}

void* codec_alloca(size_t size)
{
    void* x;
    x = codec_malloc(size);
    return(x);
}

void codec_free(void* ptr) {
    (void)ptr;
}

void* codec_realloc(void* ptr, size_t size)
{
    void* x;
    (void)ptr;
    x = codec_malloc(size);
    return(x);
}

size_t strlen(const char *s)
{
    return(local_rb->strlen(s));
}

char *strcpy(char *dest, const char *src)
{
    return(local_rb->strcpy(dest,src));
}

char *strcat(char *dest, const char *src)
{
    return(local_rb->strcat(dest,src));
}

int strcmp(const char *s1, const char *s2)
{
    return(local_rb->strcmp(s1,s2));
}

int strncasecmp(const char *s1, const char *s2, size_t n)
{
    return(local_rb->strncasecmp(s1,s2,n));
}

void *memcpy(void *dest, const void *src, size_t n)
{
    return(local_rb->memcpy(dest,src,n));
}

void *memset(void *s, int c, size_t n)
{
    return(local_rb->memset(s,c,n));
}

int memcmp(const void *s1, const void *s2, size_t n)
{
    return(local_rb->memcmp(s1,s2,n));
}

void* memchr(const void *s, int c, size_t n)
{
    return(local_rb->memchr(s,c,n));
}

void* memmove(const void *s1, const void *s2, size_t n)
{
    char* dest=(char*)s1;
    char* src=(char*)s2;
    size_t i;
    
    for (i=0;i<n;i++)
        dest[i]=src[i];

    return(dest);
}

void qsort(void *base, size_t nmemb, size_t size,
           int(*compar)(const void *, const void *))
{
    local_rb->qsort(base,nmemb,size,compar);
}

#endif /* CONFIG_CODEC == SWCODEC */