drv_raw.c
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/* MikMod sound library
(c) 1998, 1999, 2000 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: drv_raw.c,v 1.1.1.1 2004/06/01 12:16:17 raph Exp $
Driver for output to a file called MUSIC.RAW
==============================================================================*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifndef macintosh
#include <sys/types.h>
#include <sys/stat.h>
#endif
#include "mikmod_internals.h"
#define BUFFERSIZE 32768
#define FILENAME "music.raw"
#ifndef O_BINARY
#define O_BINARY 0
#endif
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#ifndef S_IREAD
#define S_IREAD S_IRUSR
#endif
#ifndef S_IWRITE
#define S_IWRITE S_IWUSR
#endif
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#if defined(WIN32) && !defined(__MWERKS__)
#define open _open
#endif
static int rawout=-1;
static SBYTE *audiobuffer=NULL;
static CHAR *filename=NULL;
static void RAW_CommandLine(CHAR *cmdline)
{
CHAR *ptr=MD_GetAtom("file",cmdline,0);
if(ptr) {
_mm_free(filename);
filename=ptr;
}
}
static BOOL RAW_IsThere(void)
{
return 1;
}
static BOOL RAW_Init(void)
{
#if defined unix || (defined __APPLE__ && defined __MACH__)
if(!MD_Access(filename?filename:FILENAME)) {
_mm_errno=MMERR_OPENING_FILE;
return 1;
}
#endif
if((rawout=open(filename?filename:FILENAME,O_RDWR|O_TRUNC|O_CREAT|O_BINARY
#if !defined(macintosh) && !defined(__MWERKS__)
,S_IREAD|S_IWRITE
#endif
))<0) {
_mm_errno=MMERR_OPENING_FILE;
return 1;
}
md_mode|=DMODE_SOFT_MUSIC|DMODE_SOFT_SNDFX;
if (!(audiobuffer=(SBYTE*)_mm_malloc(BUFFERSIZE))) {
close(rawout);unlink(filename?filename:FILENAME);
rawout=-1;
return 1;
}
if ((VC_Init())) {
close(rawout);unlink(filename?filename:FILENAME);
rawout=-1;
return 1;
}
return 0;
}
static void RAW_Exit(void)
{
VC_Exit();
if (rawout!=-1) {
close(rawout);
rawout=-1;
}
_mm_free(audiobuffer);
}
static void RAW_Update(void)
{
write(rawout,audiobuffer,VC_WriteBytes(audiobuffer,BUFFERSIZE));
}
static BOOL RAW_Reset(void)
{
close(rawout);
if((rawout=open(filename?filename:FILENAME,O_RDWR|O_TRUNC|O_CREAT|O_BINARY
#if !defined(macintosh) && !defined(__MWERKS__)
,S_IREAD|S_IWRITE
#endif
))<0) {
_mm_errno=MMERR_OPENING_FILE;
return 1;
}
return 0;
}
MIKMODAPI MDRIVER drv_raw={
NULL,
"Disk writer (raw data)",
"Raw disk writer (music.raw) v1.1",
0,255,
"raw",
RAW_CommandLine,
RAW_IsThere,
VC_SampleLoad,
VC_SampleUnload,
VC_SampleSpace,
VC_SampleLength,
RAW_Init,
RAW_Exit,
RAW_Reset,
VC_SetNumVoices,
VC_PlayStart,
VC_PlayStop,
RAW_Update,
NULL,
VC_VoiceSetVolume,
VC_VoiceGetVolume,
VC_VoiceSetFrequency,
VC_VoiceGetFrequency,
VC_VoiceSetPanning,
VC_VoiceGetPanning,
VC_VoicePlay,
VC_VoiceStop,
VC_VoiceStopped,
VC_VoiceGetPosition,
VC_VoiceRealVolume
};
/* ex:set ts=4: */