b4e70422a3
* Get rid of the non-functional GT2 loader * Add the UMX loader * Add HQ mixer routines (and make it configurable) * Allow samplerate to be configured at run/playtime * Support >64KHz mixing/playback * Correctly restore non-boost status (The diff to upstream is much smaller now too!) Change-Id: Iaa4ac901ba9cd4123bb225656976e78271353a72
142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/* MikMod sound library
|
|
(c) 1998, 1999 Miodrag Vallat and others - see file AUTHORS for
|
|
complete list.
|
|
|
|
This library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of
|
|
the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA.
|
|
*/
|
|
|
|
/*==============================================================================
|
|
|
|
$Id$
|
|
|
|
Dynamic memory routines
|
|
|
|
==============================================================================*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_POSIX_MEMALIGN
|
|
#define _XOPEN_SOURCE 600 /* for posix_memalign */
|
|
#endif
|
|
|
|
#include "string.h"
|
|
#include "mikmod_internals.h"
|
|
|
|
#if defined(HAVE_SSE2) || defined(HAVE_ALTIVEC)
|
|
#undef WIN32_ALIGNED_MALLOC
|
|
#if defined(_WIN32) && !defined(_WIN32_WCE)
|
|
# if defined(_WIN64) /* OK with MSVC and MinGW */
|
|
# define WIN32_ALIGNED_MALLOC
|
|
# elif defined(_MSC_VER) && (_MSC_VER >= 1300)
|
|
# define WIN32_ALIGNED_MALLOC
|
|
# elif defined(__MINGW32__)
|
|
/* no guarantees that msvcrt.dll will have it */
|
|
# endif
|
|
#endif
|
|
|
|
#define PTRSIZE (sizeof(void*))
|
|
|
|
/* return a 16 byte aligned address */
|
|
void* MikMod_amalloc(size_t size)
|
|
{
|
|
void *d;
|
|
#if defined(HAVE_POSIX_MEMALIGN)
|
|
if (!posix_memalign(&d, 16, size)) {
|
|
memset(d, 0, size);
|
|
return d;
|
|
}
|
|
#elif defined(WIN32_ALIGNED_MALLOC)
|
|
d = _aligned_malloc(size, 16);
|
|
if (d) {
|
|
ZeroMemory(d, size);
|
|
return d;
|
|
}
|
|
#else
|
|
size_t s = (size)? ((size + (PTRSIZE-1)) & ~(PTRSIZE-1)) : PTRSIZE;
|
|
s += PTRSIZE + 16;
|
|
d = calloc(1, s);
|
|
if (d) {
|
|
char *pptr = (char *)d + PTRSIZE;
|
|
size_t err = ((size_t)pptr) & 15;
|
|
char *fptr = pptr + (16 - err);
|
|
*(size_t*)(fptr - PTRSIZE) = (size_t)d;
|
|
return fptr;
|
|
}
|
|
#endif
|
|
|
|
_mm_errno = MMERR_OUT_OF_MEMORY;
|
|
if(_mm_errorhandler) _mm_errorhandler();
|
|
return NULL;
|
|
}
|
|
|
|
void MikMod_afree(void *data)
|
|
{
|
|
if (!data) return;
|
|
#if defined(HAVE_POSIX_MEMALIGN)
|
|
free(data);
|
|
#elif defined(WIN32_ALIGNED_MALLOC)
|
|
_aligned_free(data);
|
|
#else
|
|
free((void *) *(size_t*)((unsigned char *)data - PTRSIZE));
|
|
#endif
|
|
}
|
|
#endif /* (HAVE_SSE2) || (HAVE_ALTIVEC) */
|
|
|
|
void* MikMod_realloc(void *data, size_t size)
|
|
{
|
|
if (data) return realloc(data, size);
|
|
return calloc(1, size);
|
|
}
|
|
|
|
/* Same as malloc, but sets error variable _mm_error when fails */
|
|
void* MikMod_malloc(size_t size)
|
|
{
|
|
return MikMod_calloc(1, size);
|
|
}
|
|
|
|
/* Same as calloc, but sets error variable _mm_error when fails */
|
|
void* MikMod_calloc(size_t nitems, size_t size)
|
|
{
|
|
void *d = calloc(nitems, size);
|
|
if (d) return d;
|
|
|
|
_mm_errno = MMERR_OUT_OF_MEMORY;
|
|
if(_mm_errorhandler) _mm_errorhandler();
|
|
return NULL;
|
|
}
|
|
|
|
void MikMod_free(void *data)
|
|
{
|
|
if (data) free(data);
|
|
}
|
|
|
|
/* like strdup(), but the result must be freed using MikMod_free() */
|
|
CHAR *MikMod_strdup(const CHAR *s)
|
|
{
|
|
size_t l;
|
|
CHAR *d;
|
|
|
|
if (!s) return NULL;
|
|
|
|
l = strlen(s) + 1;
|
|
d = (CHAR *) MikMod_calloc(1, l * sizeof(CHAR));
|
|
if (d) strcpy(d, s);
|
|
return d;
|
|
}
|
|
|
|
/* ex:set ts=4: */
|