80 lines
2.9 KiB
C
80 lines
2.9 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: codeclib.h 19704 2009-01-07 09:53:46Z zagor $
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*
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* Copyright (C) 2005 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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#ifndef __CODECLIB_H__
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#define __CODECLIB_H__
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#include "ffmpeg_config.h"
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// #include "codecs.h"
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// #include <sys/types.h>
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extern struct codec_api *ci;
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extern size_t mem_ptr;
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extern size_t bufsize;
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extern unsigned char* mp3buf; /* The actual MP3 buffer from Rockbox */
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extern unsigned char* mallocbuf; /* The free space after the codec in the codec buffer */
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extern unsigned char* filebuf; /* The rest of the MP3 buffer */
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/* Standard library functions that are used by the codecs follow here */
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/* Get these functions 'out of the way' of the standard functions. Not doing
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* so confuses the cygwin linker, and maybe others. These functions need to
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* be implemented elsewhere */
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#define malloc(x) codec_malloc(x)
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#define calloc(x,y) codec_calloc(x,y)
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#define realloc(x,y) codec_realloc(x,y)
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#define free(x) codec_free(x)
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#define alloca(x) __builtin_alloca(x)
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void* codec_malloc(size_t size);
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void* codec_calloc(size_t nmemb, size_t size);
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void* codec_realloc(void* ptr, size_t size);
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void codec_free(void* ptr);
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void *memcpy(void *dest, const void *src, size_t n);
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void *memset(void *s, int c, size_t n);
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int memcmp(const void *s1, const void *s2, size_t n);
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void *memmove(void *s1, const void *s2, size_t n);
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size_t strlen(const char *s);
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char *strcpy(char *dest, const char *src);
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char *strcat(char *dest, const char *src);
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int strcmp(const char *, const char *);
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void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *));
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#define abs(x) ((x)>0?(x):-(x))
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#define labs(x) abs(x)
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/*MDCT library functions*/
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extern void mdct_backward(int n, int32_t *in, int32_t *out);
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#if defined(CPU_ARM) && (ARM_ARCH == 4)
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/* optimised unsigned integer division for ARMv4, in IRAM */
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unsigned udiv32_arm(unsigned a, unsigned b);
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#define UDIV32(a, b) udiv32_arm(a, b)
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#else
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/* default */
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#define UDIV32(a, b) (a / b)
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#endif
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#endif
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