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https://git.code.sf.net/p/quake/quakeforge-old
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common/sound.h:
added extern for soundtime. Don't really know wy it wasn't there in the first place. qw_client/Makefile.in uquake/Makefile.in: make the alsa objects say the right thing: snd_dma.c and snd_alsa.c common/snd_alsa.c: New file. makes things go.
This commit is contained in:
Bill Currie
parent
237063449c
commit
ef18af2a9b
4 changed files with 191 additions and 2 deletions
188
common/snd_alsa.c
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188
common/snd_alsa.c
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@ -0,0 +1,188 @@
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/*
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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 the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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#endif
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#if defined HAVE_SYS_SOUNDCARD_H
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# include <sys/soundcard.h>
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#elif defined HAVE_LINUX_SOUNDCARD_H
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# include <linux/soundcard.h>
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#elif HAVE_MACHINE_SOUNDCARD_H
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# include <machine/soundcard.h>
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#endif
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#include <sys/asoundlib.h>
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#ifndef MAP_FAILED
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# define MAP_FAILED ((void*)-1)
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#endif
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static int tryrates[] = { 11025, 22051, 44100, 8000 };
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static int snd_inited;
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static snd_pcm_t *pcm_handle;
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static struct snd_pcm_channel_info cinfo;
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static struct snd_pcm_channel_params params;
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static struct snd_pcm_channel_setup setup;
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static snd_pcm_mmap_control_t *mmap_control = NULL;
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static char *mmap_data = NULL;
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qboolean SNDDMA_Init(void)
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{
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int card=0,dev=0;
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int rc;
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char *err_msg="";
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if ((rc=snd_pcm_open(&pcm_handle,card,dev,SND_PCM_OPEN_PLAYBACK))<0) {
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Con_Printf( "Error: audio open error: %s\n", snd_strerror(rc));
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return 0;
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}
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memset(&cinfo, 0, sizeof(cinfo));
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cinfo.channel = SND_PCM_CHANNEL_PLAYBACK;
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snd_pcm_channel_info(pcm_handle, &cinfo);
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Con_Printf("%08x %08x\n",cinfo.flags,cinfo.formats);
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err_msg="audio flush";
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if ((rc=snd_pcm_flush_channel(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
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goto error;
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err_msg="audio munmap";
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if ((rc=snd_pcm_munmap(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
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goto error;
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memset(¶ms, 0, sizeof(params));
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params.channel = SND_PCM_CHANNEL_PLAYBACK;
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params.mode = SND_PCM_MODE_BLOCK;
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params.format.interleave=1;
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params.format.format=SND_PCM_SFMT_U8;
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params.format.rate=11025;
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params.format.voices=2;
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params.start_mode = SND_PCM_START_GO;
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params.stop_mode = SND_PCM_STOP_ROLLOVER;
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params.buf.block.frag_size=128;
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params.buf.block.frags_min=1;
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params.buf.block.frags_max=-1;
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// err_msg="audio flush";
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// if ((rc=snd_pcm_flush_channel(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
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// goto error;
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err_msg="audio params";
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if ((rc=snd_pcm_channel_params(pcm_handle, ¶ms))<0)
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goto error;
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err_msg="audio mmap";
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if ((rc=snd_pcm_mmap(pcm_handle, SND_PCM_CHANNEL_PLAYBACK, &mmap_control, (void **)&mmap_data))<0)
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goto error;
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err_msg="audio prepare";
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if ((rc=snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
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goto error;
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memset(&setup, 0, sizeof(setup));
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setup.mode = SND_PCM_MODE_BLOCK;
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setup.channel = SND_PCM_CHANNEL_PLAYBACK;
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err_msg="audio setup";
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if ((rc=snd_pcm_channel_setup(pcm_handle, &setup))<0)
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goto error;
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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->samples=setup.buf.block.frags*setup.buf.block.frag_size; // mono samples in buffer
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shm->submission_chunk=128; // don't mix less than this #
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shm->samplepos=0; // in mono samples
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shm->samplebits=8;
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shm->speed=11025;
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shm->buffer=(unsigned char*)mmap_data;
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snd_inited=1;
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return 1;
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error:
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Con_Printf( "Error: %s: %s\n", err_msg, snd_strerror(rc));
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snd_pcm_close(pcm_handle);
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return 0;
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}
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int SNDDMA_GetDMAPos(void)
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{
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if (!snd_inited) return 0;
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shm->samplepos=(mmap_control->status.frag_io+1)*setup.buf.block.frag_size;
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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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{
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snd_pcm_close(pcm_handle);
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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;
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int i,s,e,frags;
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int rc;
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count+=setup.buf.block.frag_size-1;
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count/=setup.buf.block.frag_size;
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s=soundtime/setup.buf.block.frag_size;
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e=s+count;
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for (i=s; i<e; i++)
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mmap_control->fragments[i % setup.buf.block.frags].data=1;
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switch (mmap_control->status.status) {
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case SND_PCM_STATUS_PREPARED:
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if ((rc=snd_pcm_channel_go(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0) {
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fprintf(stderr, "unable to start playback. %s\n",
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snd_strerror(rc));
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exit(1);
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}
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break;
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case SND_PCM_STATUS_RUNNING:
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break;
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case SND_PCM_STATUS_UNDERRUN:
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if ((rc=snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0) {
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fprintf(stderr, "underrun: playback channel prepare error. %s\n",
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snd_strerror(rc));
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exit(1);
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}
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break;
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default:
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break;
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}
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}
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@ -148,6 +148,7 @@ extern int total_channels;
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extern qboolean fakedma;
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extern int fakedma_updates;
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extern int soundtime;
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extern int paintedtime;
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extern vec3_t listener_origin;
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extern vec3_t listener_forward;
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@ -127,7 +127,7 @@ SND_STYLE = @SND_STYLE@
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SND_SRC = snd_null.c
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ifeq ($(SND_STYLE),ALSA)
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SND_SRC = snd_alsa.c alsa.c
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SND_SRC = snd_dma.c snd_alsa.c
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endif
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ifeq ($(SND_STYLE),OSS)
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SND_SRC = snd_dma.c snd_oss.c
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@ -136,7 +136,7 @@ SND_STYLE = @SND_STYLE@
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SND_SRC = snd_null.c
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ifeq ($(SND_STYLE),ALSA)
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SND_SRC = snd_alsa.c alsa.c
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SND_SRC = snd_dma.c snd_alsa.c
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endif
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ifeq ($(SND_STYLE),OSS)
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SND_SRC = snd_dma.c snd_oss.c
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