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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Dave Chapman
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/* "helper functions" common to all codecs */
#include <string.h>
#include "codecs.h"
#include "dsp.h"
#include "codeclib.h"
#include "metadata.h"
size_t mem_ptr;
size_t bufsize;
unsigned char* mp3buf; // The actual MP3 buffer from Rockbox
unsigned char* mallocbuf; // 512K from the start of MP3 buffer
unsigned char* filebuf; // The rest of the MP3 buffer
int codec_init(void)
{
mem_ptr = 0;
mallocbuf = (unsigned char *)ci->codec_get_buffer((size_t *)&bufsize);
return 0;
}
void codec_set_replaygain(struct mp3entry* id3)
{
ci->configure(DSP_SET_TRACK_GAIN, id3->track_gain);
ci->configure(DSP_SET_ALBUM_GAIN, id3->album_gain);
ci->configure(DSP_SET_TRACK_PEAK, id3->track_peak);
ci->configure(DSP_SET_ALBUM_PEAK, id3->album_peak);
}
/* Various "helper functions" common to all the xxx2wav decoder plugins */
void* codec_malloc(size_t size)
{
void* x;
if (mem_ptr + (long)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;
ci->memset(x,0,nmemb*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(ci->strlen(s));
}
char *strcpy(char *dest, const char *src)
{
return(ci->strcpy(dest,src));
}
char *strcat(char *dest, const char *src)
{
return(ci->strcat(dest,src));
}
int strcmp(const char *s1, const char *s2)
{
return(ci->strcmp(s1,s2));
}
void *memcpy(void *dest, const void *src, size_t n)
{
return(ci->memcpy(dest,src,n));
}
void *memset(void *s, int c, size_t n)
{
return(ci->memset(s,c,n));
}
int memcmp(const void *s1, const void *s2, size_t n)
{
return(ci->memcmp(s1,s2,n));
}
void* memchr(const void *s, int c, size_t n)
{
return(ci->memchr(s,c,n));
}
void *memmove(void *dest, const void *src, size_t n)
{
return(ci->memmove(dest,src,n));
}
void qsort(void *base, size_t nmemb, size_t size,
int(*compar)(const void *, const void *))
{
ci->qsort(base,nmemb,size,compar);
}
/* From ffmpeg - libavutil/common.h */
const uint8_t bs_log2_tab[256] ICONST_ATTR = {
0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
};
const uint8_t bs_clz_tab[256] ICONST_ATTR = {
8,7,6,6,5,5,5,5,4,4,4,4,4,4,4,4,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};
#ifdef RB_PROFILE
void __cyg_profile_func_enter(void *this_fn, void *call_site) {
#ifdef CPU_COLDFIRE
(void)call_site;
ci->profile_func_enter(this_fn, __builtin_return_address(1));
#else
ci->profile_func_enter(this_fn, call_site);
#endif
}
void __cyg_profile_func_exit(void *this_fn, void *call_site) {
ci->profile_func_exit(this_fn,call_site);
}
#endif
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