mirror of
https://git.code.sf.net/p/quake/quakeforge
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1fce1ea12e
this is I mistakenly did so while making some other changes (which I made sure were NOT in the checkin:)
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
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/*
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snd_next.c
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@description@
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Copyright (C) 1996-1997 Id Software, Inc.
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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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extern int desired_speed;
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extern int desired_bits;
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qboolean
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SNDDMA_Init (void)
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{
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int size;
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size = 16384 + sizeof (dma_t);
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shm = malloc (size);
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memset ((void *) shm, 0, size);
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shm->buffer = (char *) shm + sizeof (dma_t);
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shm->channels = 2;
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shm->speed = desired_speed;
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shm->samplebits = desired_bits;
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shm->samples = 16384 / (desired_bits / 8);
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shm->submission_chunk = 1;
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return true;
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}
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// return the current sample position (in mono samples read)
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// inside the recirculating dma buffer
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int
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SNDDMA_GetDMAPos (void)
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{
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shm->samplepos =
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(int) (realtime * shm->speed * shm->channels) & (shm->samples - 1);
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return shm->samplepos;
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}
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void
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SNDDMA_Shutdown (void)
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{
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}
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