mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-16 03:42:35 +03:00
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
// OGG vorbis for KolibriOS in native shared COFF library format.
|
|
|
|
// https://github.com/nothings/stb/blob/master/stb_vorbis.c
|
|
|
|
// Some functions to allow us building without any external libs
|
|
|
|
#include <stddef.h>
|
|
|
|
void* memset(void *base, int val, size_t len)
|
|
{
|
|
int i;
|
|
for (i=0; i < len; ++i) ((char *) base)[i] = val;
|
|
}
|
|
|
|
int memcmp(const void *p1, const void *p2, size_t len)
|
|
{
|
|
unsigned char *q1 = (unsigned char *) p1;
|
|
unsigned char *q2 = (unsigned char *) p2;
|
|
int i;
|
|
for (i=0; i < len; ++i)
|
|
if (q1[i] < q2[i]) return -1;
|
|
else if (q1[i] > q2[i]) return 1;
|
|
return 0;
|
|
}
|
|
|
|
void* memcpy(void *dest, const void *src, size_t num)
|
|
{
|
|
int i;
|
|
for (i=0; i < num; ++i)
|
|
((char *)dest)[i] = ((char *) src)[i];
|
|
}
|
|
|
|
double powerd (double x, int y)
|
|
{
|
|
double temp;
|
|
if (y == 0)
|
|
return 1;
|
|
temp = powerd (x, y / 2);
|
|
if ((y % 2) == 0) {
|
|
return temp * temp;
|
|
} else {
|
|
if (y > 0)
|
|
return x * temp * temp;
|
|
else
|
|
return (temp * temp) / x;
|
|
}
|
|
}
|
|
|
|
double ldexp(double Value, int Exponent)
|
|
{
|
|
return((Value * powerd(2.0, Exponent)));
|
|
}
|
|
|
|
#include "qsort.c"
|
|
|
|
// For building with mingw compiler
|
|
__attribute__((externally_visible)) void __chkstk_ms(){
|
|
return;
|
|
}
|
|
|
|
# define assert(expr) ((void) (0))
|
|
|
|
// Actual stb_vorbis related stuff starts here
|
|
|
|
#define STB_VORBIS_NO_STDIO 1
|
|
#define STB_VORBIS_NO_CRT 1
|
|
//#define STB_VORBIS_NO_PULLDATA_API 1
|
|
|
|
#include "stb_vorbis.c"
|
|
|
|
// KolibriOS type EXPORTS header
|
|
|
|
int __stdcall libInit(){
|
|
return 1;
|
|
}
|
|
|
|
typedef struct{
|
|
char *name;
|
|
void *f;
|
|
}export_t;
|
|
|
|
char szLibInit[] ="lib_init";
|
|
char szVersion[] ="version";
|
|
char szPushDataOpen[] ="pushdata_open";
|
|
char szPushDataDecode[] ="pushdata_decode";
|
|
char szPushDataFlush[] ="pushdata_flush";
|
|
//char szConvertSamplesShort[] = "convert_samples_short";
|
|
char szConvertSamplesShortInterleaved[] = "convert_channels_short_interleaved";
|
|
|
|
__attribute__((externally_visible)) export_t EXPORTS[] __asm__("EXPORTS") =
|
|
{
|
|
{ szLibInit, libInit },
|
|
{ szVersion, (void*)0x00010001 },
|
|
{ szPushDataOpen, stb_vorbis_open_pushdata },
|
|
{ szPushDataDecode, stb_vorbis_decode_frame_pushdata },
|
|
{ szPushDataFlush, stb_vorbis_flush_pushdata},
|
|
//{ szConvertSamplesShort, convert_samples_short},
|
|
{ szConvertSamplesShortInterleaved, convert_channels_short_interleaved},
|
|
|
|
{ NULL, NULL },
|
|
};
|
|
|
|
// End of file
|