mirror of
https://git.code.sf.net/p/quake/newtree
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7faabf5032
eventually implement the demo movie writer and it will write the sound to a file rather than the soundcard.
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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snd_disk.c
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write sound to a disk file
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Copyright (C) 1999,2000 contributors of the QuakeForge project
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Please see the file "AUTHORS" for a list of contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <sys/types.h>
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#include "qtypes.h"
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#include "sound.h"
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#include "qargs.h"
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#include "console.h"
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static int snd_inited;
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QFile *snd_file;
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qboolean SNDDMA_Init(void)
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{
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shm=&sn;
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memset((dma_t*)shm,0,sizeof(*shm));
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shm->splitbuffer = 0;
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shm->channels=2;
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shm->submission_chunk=1; // don't mix less than this #
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shm->samplepos=0; // in mono samples
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shm->samplebits=16;
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shm->samples=16384; // mono samples in buffer
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shm->speed=44100;
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shm->buffer=malloc (shm->samples * shm->channels * shm->samplebits / 8);
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Con_Printf("%5d stereo\n", shm->channels - 1);
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Con_Printf("%5d samples\n", shm->samples);
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Con_Printf("%5d samplepos\n", shm->samplepos);
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Con_Printf("%5d samplebits\n", shm->samplebits);
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Con_Printf("%5d submission_chunk\n", shm->submission_chunk);
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Con_Printf("%5d speed\n", shm->speed);
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Con_Printf("0x%x dma buffer\n", (int)shm->buffer);
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Con_Printf("%5d total_channels\n", total_channels);
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if (!(snd_file = Qopen ("qf.raw", "wb")))
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return 0;
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snd_inited=1;
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return 1;
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}
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int SNDDMA_GetDMAPos(void)
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{
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shm->samplepos = 0;
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return shm->samplepos;
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}
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void SNDDMA_Shutdown(void)
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{
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if (snd_inited) {
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Qclose (snd_file);
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snd_file = 0;
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free (shm->buffer);
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snd_inited = 0;
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}
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}
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/*
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==============
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SNDDMA_Submit
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Send sound to device if buffer isn't really the dma buffer
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===============
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*/
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void SNDDMA_Submit(void)
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{
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int count = (paintedtime - soundtime) * shm->samplebits / 8;
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Qwrite (snd_file, shm->buffer, count);
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}
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