mirror of
https://git.code.sf.net/p/quake/newtree
synced 2024-11-29 23:32:16 +00:00
107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
|
/*
|
||
|
|
snd_disk.c
|
||
|
|
|
||
|
|
write sound to a disk file
|
||
|
|
|
||
|
|
Copyright (C) 1999,2000 contributors of the QuakeForge project
|
||
|
|
Please see the file "AUTHORS" for a list of contributors
|
||
|
|
|
||
|
|
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 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 General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to:
|
||
|
|
|
||
|
|
Free Software Foundation, Inc.
|
||
|
|
59 Temple Place - Suite 330
|
||
|
|
Boston, MA 02111-1307, USA
|
||
|
|
|
||
|
|
$Id$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
# include <config.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#ifdef HAVE_UNISTD_H
|
||
|
|
#include <unistd.h>
|
||
|
|
#endif
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include "qtypes.h"
|
||
|
|
#include "sound.h"
|
||
|
|
#include "qargs.h"
|
||
|
|
#include "console.h"
|
||
|
|
|
||
|
|
static int snd_inited;
|
||
|
|
QFile *snd_file;
|
||
|
|
|
||
|
|
qboolean SNDDMA_Init(void)
|
||
|
|
{
|
||
|
|
shm=&sn;
|
||
|
|
memset((dma_t*)shm,0,sizeof(*shm));
|
||
|
|
shm->splitbuffer = 0;
|
||
|
|
shm->channels=2;
|
||
|
|
shm->submission_chunk=1; // don't mix less than this #
|
||
|
|
shm->samplepos=0; // in mono samples
|
||
|
|
shm->samplebits=16;
|
||
|
|
shm->samples=16384; // mono samples in buffer
|
||
|
|
shm->speed=44100;
|
||
|
|
shm->buffer=malloc (shm->samples * shm->channels * shm->samplebits / 8);
|
||
|
|
|
||
|
|
Con_Printf("%5d stereo\n", shm->channels - 1);
|
||
|
|
Con_Printf("%5d samples\n", shm->samples);
|
||
|
|
Con_Printf("%5d samplepos\n", shm->samplepos);
|
||
|
|
Con_Printf("%5d samplebits\n", shm->samplebits);
|
||
|
|
Con_Printf("%5d submission_chunk\n", shm->submission_chunk);
|
||
|
|
Con_Printf("%5d speed\n", shm->speed);
|
||
|
|
Con_Printf("0x%x dma buffer\n", (int)shm->buffer);
|
||
|
|
Con_Printf("%5d total_channels\n", total_channels);
|
||
|
|
|
||
|
|
if (!(snd_file = Qopen ("qf.raw", "wb")))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
snd_inited=1;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int SNDDMA_GetDMAPos(void)
|
||
|
|
{
|
||
|
|
shm->samplepos = 0;
|
||
|
|
return shm->samplepos;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SNDDMA_Shutdown(void)
|
||
|
|
{
|
||
|
|
if (snd_inited) {
|
||
|
|
Qclose (snd_file);
|
||
|
|
snd_file = 0;
|
||
|
|
free (shm->buffer);
|
||
|
|
snd_inited = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
==============
|
||
|
|
SNDDMA_Submit
|
||
|
|
|
||
|
|
Send sound to device if buffer isn't really the dma buffer
|
||
|
|
===============
|
||
|
|
*/
|
||
|
|
void SNDDMA_Submit(void)
|
||
|
|
{
|
||
|
|
int count = (paintedtime - soundtime) * shm->samplebits / 8;
|
||
|
|
Qwrite (snd_file, shm->buffer, count);
|
||
|
|
}
|