forked from KolibriOS/kolibrios
101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
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// FLAC decoder for KolibriOS in native shared COFF library format.
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// https://github.com/mackron/dr_libs/blob/master/dr_flac.h
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// Some functions to allow us building without any external libs
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#include <stddef.h>
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void* memset(void *base, int val, size_t len)
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{
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int i;
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for (i=0; i < len; ++i) ((char *) base)[i] = val;
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}
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int memcmp(const void *p1, const void *p2, size_t len)
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{
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unsigned char *q1 = (unsigned char *) p1;
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unsigned char *q2 = (unsigned char *) p2;
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int i;
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for (i=0; i < len; ++i)
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if (q1[i] < q2[i]) return -1;
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else if (q1[i] > q2[i]) return 1;
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return 0;
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}
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void* memcpy(void *dest, const void *src, size_t num)
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{
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int i;
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for (i=0; i < num; ++i)
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((char *)dest)[i] = ((char *) src)[i];
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}
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// For building with mingw compiler
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__attribute__((externally_visible)) void __chkstk_ms(){
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return;
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}
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void* malloc(size_t size) {
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asm("int3");
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return 0;
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}
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void* realloc(void *ptr, size_t size) {
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asm("int3");
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return 0;
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}
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void free(void *ptr) {
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asm("int3");
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return;
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}
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#define DRFLAC_ASSERT(expr) ((void) (0))
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#define DRFLAC_MALLOC(sz) malloc((sz))
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#define DRFLAC_REALLOC(p, sz) realloc((p), (sz))
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#define DRFLAC_FREE(p) free((p))
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// Actual dr_flac related stuff starts here
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#define DRFLAC_IMPLEMENTATION
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#define DR_FLAC_NO_STDIO
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//#define DR_FLAC_NO_OGG
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//#define DR_FLAC_BUFFER_SIZE 4096
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//#define DR_FLAC_NO_CRC
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#define DR_FLAC_NO_SIMD
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#include "dr_flac.h"
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// KolibriOS type EXPORTS header
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int __stdcall libInit(){
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return 1;
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}
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typedef struct{
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char *name;
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void *f;
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}export_t;
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char szLibInit[] ="lib_init";
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char szVersion[] ="version";
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char szClose[] ="close";
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char szOpen[] ="open";
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char szOpenRelaxed[] ="open_relaxed";
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char szReadPCMS16[] ="read_pcm_frames_s16";
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__attribute__((externally_visible)) export_t EXPORTS[] __asm__("EXPORTS") =
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{
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{ szLibInit, libInit },
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{ szVersion, (void*)0x00010001 },
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{ szClose, drflac_close },
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{ szOpen, drflac_open },
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{ szOpenRelaxed, drflac_open_relaxed },
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{ szReadPCMS16, drflac_read_pcm_frames_s16},
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{ NULL, NULL },
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};
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// End of file
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