f5ec0fa592
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7526 a1c6a512-1295-4272-9138-f99709370657
143 lines
3.1 KiB
C
143 lines
3.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Dave Chapman
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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/* Various "helper functions" common to all the xxx2wav decoder plugins */
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#if (CONFIG_CODEC == SWCODEC)
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/* software codec platforms, not for simulator */
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#include "codecs.h"
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#include "xxx2wav.h"
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extern struct codec_api* local_rb;
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int mem_ptr;
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int bufsize;
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unsigned char* audiobuf; /* The actual audio buffer from Rockbox */
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unsigned char* mallocbuf; /* 512K from the start of audio buffer */
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unsigned char* filebuf; /* The rest of the audio buffer */
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void* codec_malloc(size_t size)
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{
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void* x;
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if (mem_ptr + (int)size > bufsize)
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return NULL;
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x=&mallocbuf[mem_ptr];
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mem_ptr+=(size+3)&~3; /* Keep memory 32-bit aligned */
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return(x);
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}
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void* codec_calloc(size_t nmemb, size_t size)
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{
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void* x;
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x = codec_malloc(nmemb*size);
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if (x == NULL)
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return NULL;
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local_rb->memset(x,0,nmemb*size);
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return(x);
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}
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#if defined(SIMULATOR)
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void* codec_alloca(size_t size)
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{
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void* x;
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x = codec_malloc(size);
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return(x);
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}
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#endif
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void codec_free(void* ptr) {
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(void)ptr;
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}
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void* codec_realloc(void* ptr, size_t size)
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{
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void* x;
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(void)ptr;
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x = codec_malloc(size);
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return(x);
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}
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size_t strlen(const char *s)
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{
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return(local_rb->strlen(s));
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}
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char *strcpy(char *dest, const char *src)
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{
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return(local_rb->strcpy(dest,src));
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}
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char *strcat(char *dest, const char *src)
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{
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return(local_rb->strcat(dest,src));
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}
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int strcmp(const char *s1, const char *s2)
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{
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return(local_rb->strcmp(s1,s2));
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}
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int strncasecmp(const char *s1, const char *s2, size_t n)
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{
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return(local_rb->strncasecmp(s1,s2,n));
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}
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void *memcpy(void *dest, const void *src, size_t n)
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{
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return(local_rb->memcpy(dest,src,n));
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}
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void *memset(void *s, int c, size_t n)
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{
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return(local_rb->memset(s,c,n));
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}
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int memcmp(const void *s1, const void *s2, size_t n)
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{
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return(local_rb->memcmp(s1,s2,n));
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}
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void* memchr(const void *s, int c, size_t n)
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{
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return(local_rb->memchr(s,c,n));
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}
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void* memmove(const void *s1, const void *s2, size_t n)
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{
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char* dest=(char*)s1;
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char* src=(char*)s2;
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size_t i;
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for (i=0;i<n;i++)
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dest[i]=src[i];
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return(dest);
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}
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void qsort(void *base, size_t nmemb, size_t size,
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int(*compar)(const void *, const void *))
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{
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local_rb->qsort(base,nmemb,size,compar);
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}
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#endif /* CONFIG_CODEC == SWCODEC */
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