glpoly_t *p;
for (a = 0;a < 8;a++)
{
- if (c = dlightbits[a])
+ if ((c = dlightbits[a]))
{
for (b = 0;c && b < 32;b++)
{
-SND=snd_alsa.o
+SND=snd_alsa_0_5.o
OBJECTS= cd_linux.o chase.o cl_demo.o cl_input.o cl_main.o cl_parse.o cl_tent.o cmd.o common.o console.o cpu_noasm.o crc.o cvar.o fractalnoise.o gl_draw.o gl_poly.o gl_refrag.o gl_rmain.o gl_rmisc.o gl_rsurf.o gl_screen.o gl_warp.o host.o host_cmd.o image.o keys.o mathlib.o menu.o model_alias.o model_brush.o model_shared.o model_sprite.o net_bsd.o net_udp.o net_dgrm.o net_loop.o net_main.o net_vcr.o pr_cmds.o pr_edict.o pr_exec.o r_light.o r_part.o sbar.o snd_dma.o snd_mem.o snd_mix.o $(SND) sv_main.o sv_move.o sv_phys.o sv_user.o sys_linux.o transform.o view.o wad.o world.o zone.o vid_shared.o
OPTIMIZATIONS= -O6 -ffast-math -funroll-loops -fomit-frame-pointer -fexpensive-optimizations
+++ /dev/null
-/*
- snd_alsa.c
-
- (description)
-
- 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 "quakedef.h"
-
-#include <sys/soundcard.h>
-#include <linux/soundcard.h>
-#include <sys/asoundlib.h>
-
-#ifndef MAP_FAILED
-# define MAP_FAILED ((void*)-1)
-#endif
-
-extern int soundtime;
-
-static int snd_inited;
-
-static snd_pcm_t *pcm_handle;
-static struct snd_pcm_channel_info cinfo;
-static struct snd_pcm_channel_params params;
-static struct snd_pcm_channel_setup setup;
-static snd_pcm_mmap_control_t *mmap_control = NULL;
-static char *mmap_data = NULL;
-static int card=-1,dev=-1;
-
-int check_card(int card)
-{
- snd_ctl_t *handle;
- snd_ctl_hw_info_t info;
- int rc;
-
- if ((rc = snd_ctl_open(&handle, card)) < 0) {
- Con_Printf("Error: control open (%i): %s\n", card, snd_strerror(rc));
- return rc;
- }
- if ((rc = snd_ctl_hw_info(handle, &info)) < 0) {
- Con_Printf("Error: control hardware info (%i): %s\n", card,
- snd_strerror(rc));
- snd_ctl_close(handle);
- return rc;
- }
- snd_ctl_close(handle);
- if (dev==-1) {
- for (dev = 0; dev < info.pcmdevs; dev++) {
- if ((rc=snd_pcm_open(&pcm_handle,card,dev,
- SND_PCM_OPEN_PLAYBACK
- | SND_PCM_OPEN_NONBLOCK))==0) {
- return 0;
- }
- }
- } else {
- if (dev>=0 && dev <info.pcmdevs) {
- if ((rc=snd_pcm_open(&pcm_handle,card,dev,
- SND_PCM_OPEN_PLAYBACK
- | SND_PCM_OPEN_NONBLOCK))==0) {
- return 0;
- }
- }
- }
- return 1;
-}
-
-qboolean SNDDMA_Init(void)
-{
- int rc=0,i;
- char *err_msg="";
- int rate,format,bps,stereo,frag_size;
- unsigned int mask;
-
- mask = snd_cards_mask();
- if (!mask) {
- Con_Printf("No sound cards detected\n");
- return 0;
- }
- if ((i=COM_CheckParm("-sndcard"))!=0) {
- card=atoi(com_argv[i+1]);
- }
- if ((i=COM_CheckParm("-snddev"))!=0) {
- dev=atoi(com_argv[i+1]);
- }
- if (card==-1) {
- for (card=0; card<SND_CARDS; card++) {
- if (!(mask & (1<<card)))
- continue;
- rc=check_card(card);
- if (rc<0)
- return 0;
- if (!rc)
- goto dev_openned;
- }
- } else {
- if (dev==-1) {
- rc=check_card(card);
- if (rc<0)
- return 0;
- if (!rc)
- goto dev_openned;
- } else {
- if ((rc=snd_pcm_open(&pcm_handle,card,dev,
- SND_PCM_OPEN_PLAYBACK
- | SND_PCM_OPEN_NONBLOCK))<0) {
- Con_Printf("Error: audio open error: %s\n", snd_strerror(rc));
- return 0;
- }
- goto dev_openned;
- }
- }
- Con_Printf("Error: audio open error: %s\n", snd_strerror(rc));
- return 0;
-
- dev_openned:
- Con_Printf("Using card %d, device %d.\n", card, dev);
- memset(&cinfo, 0, sizeof(cinfo));
- cinfo.channel = SND_PCM_CHANNEL_PLAYBACK;
- snd_pcm_channel_info(pcm_handle, &cinfo);
- Con_Printf("%08x %08x %08x\n",cinfo.flags,cinfo.formats,cinfo.rates);
- if (cinfo.rates & SND_PCM_RATE_44100) {
- rate=44100;
- frag_size=512; /* assuming stereo 8 bit */
- } else if (cinfo.rates & SND_PCM_RATE_22050) {
- rate=22050;
- frag_size=256; /* assuming stereo 8 bit */
- } else if (cinfo.rates & SND_PCM_RATE_11025) {
- rate=11025;
- frag_size=128; /* assuming stereo 8 bit */
- } else {
- Con_Printf("ALSA: desired rates not supported\n");
- goto error_2;
- }
- if (cinfo.formats & SND_PCM_FMT_S16_LE) {
- format=SND_PCM_SFMT_S16_LE;
- bps=16;
- frag_size*=2;
- } else if (cinfo.formats & SND_PCM_FMT_U8) {
- format=SND_PCM_SFMT_U8;
- bps=8;
- } else {
- Con_Printf("ALSA: desired formats not supported\n");
- goto error_2;
- }
- if (cinfo.max_voices>=2) {
- stereo=1;
- } else {
- stereo=0;
- frag_size/=2;
- }
-
-// err_msg="audio flush";
-// if ((rc=snd_pcm_channel_flush(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
-// goto error;
- err_msg="audio munmap";
- if ((rc=snd_pcm_munmap(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
- goto error;
-
- memset(¶ms, 0, sizeof(params));
- params.channel = SND_PCM_CHANNEL_PLAYBACK;
- params.mode = SND_PCM_MODE_BLOCK;
- params.format.interleave=1;
- params.format.format=format;
- params.format.rate=rate;
- params.format.voices=stereo+1;
- params.start_mode = SND_PCM_START_GO;
- params.stop_mode = SND_PCM_STOP_ROLLOVER;
- params.buf.block.frag_size=frag_size;
- params.buf.block.frags_min=1;
- params.buf.block.frags_max=-1;
-// err_msg="audio flush";
-// if ((rc=snd_pcm_channel_flush(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
-// goto error;
- err_msg="audio params";
- if ((rc=snd_pcm_channel_params(pcm_handle, ¶ms))<0)
- goto error;
-
- err_msg="audio mmap";
- if ((rc=snd_pcm_mmap(pcm_handle, SND_PCM_CHANNEL_PLAYBACK, &mmap_control, (void **)&mmap_data))<0)
- goto error;
- err_msg="audio prepare";
- if ((rc=snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
- goto error;
-
- memset(&setup, 0, sizeof(setup));
- setup.mode = SND_PCM_MODE_BLOCK;
- setup.channel = SND_PCM_CHANNEL_PLAYBACK;
- err_msg="audio setup";
- if ((rc=snd_pcm_channel_setup(pcm_handle, &setup))<0)
- goto error;
-
- shm=&sn;
- memset((dma_t*)shm,0,sizeof(*shm));
- shm->splitbuffer = 0;
- shm->channels=setup.format.voices;
- shm->submission_chunk=128; // don't mix less than this #
- shm->samplepos=0; // in mono samples
- shm->samplebits=setup.format.format==SND_PCM_SFMT_S16_LE?16:8;
- shm->samples=setup.buf.block.frags*setup.buf.block.frag_size/(shm->samplebits/8); // mono samples in buffer
- shm->speed=setup.format.rate;
- shm->buffer=(unsigned char*)mmap_data;
- 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);
-
- snd_inited=1;
- return 1;
- error:
- Con_Printf("Error: %s: %s\n", err_msg, snd_strerror(rc));
- error_2:
- snd_pcm_close(pcm_handle);
- return 0;
-}
-
-int SNDDMA_GetDMAPos(void)
-{
- if (!snd_inited) return 0;
- shm->samplepos=(mmap_control->status.frag_io+1)*setup.buf.block.frag_size/(shm->samplebits/8);
- return shm->samplepos;
-}
-
-void SNDDMA_Shutdown(void)
-{
- if (snd_inited)
- {
- snd_pcm_close(pcm_handle);
- 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;
- int i,s,e;
- int rc;
-
- count+=setup.buf.block.frag_size-1;
- count/=setup.buf.block.frag_size;
- s=soundtime/setup.buf.block.frag_size;
- e=s+count;
- for (i=s; i<e; i++)
- mmap_control->fragments[i % setup.buf.block.frags].data=1;
- switch (mmap_control->status.status) {
- case SND_PCM_STATUS_PREPARED:
- if ((rc=snd_pcm_channel_go(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0) {
- fprintf(stderr, "unable to start playback. %s\n",
- snd_strerror(rc));
- exit(1);
- }
- break;
- case SND_PCM_STATUS_RUNNING:
- break;
- case SND_PCM_STATUS_UNDERRUN:
- if ((rc=snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0) {
- fprintf(stderr, "underrun: playback channel prepare error. %s\n",
- snd_strerror(rc));
- exit(1);
- }
- break;
- default:
- break;
- }
-}
-
--- /dev/null
+/*
+ snd_alsa.c
+
+ (description)
+
+ 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 "quakedef.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <sys/types.h>
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
+#ifdef HAVE_SYS_MMAN_H
+# include <sys/mman.h>
+#endif
+#if defined HAVE_SYS_SOUNDCARD_H
+# include <sys/soundcard.h>
+#elif defined HAVE_LINUX_SOUNDCARD_H
+# include <linux/soundcard.h>
+#elif HAVE_MACHINE_SOUNDCARD_H
+# include <machine/soundcard.h>
+#endif
+
+#include <sys/asoundlib.h>
+
+#ifndef MAP_FAILED
+# define MAP_FAILED ((void*)-1)
+#endif
+
+extern int soundtime;
+static int snd_inited;
+
+static snd_pcm_t *pcm_handle;
+static struct snd_pcm_channel_info cinfo;
+static struct snd_pcm_channel_params params;
+static struct snd_pcm_channel_setup setup;
+static snd_pcm_mmap_control_t *mmap_control = NULL;
+static char *mmap_data = NULL;
+static int card=-1,dev=-1;
+
+int check_card(int card)
+{
+ snd_ctl_t *handle;
+ snd_ctl_hw_info_t info;
+ int rc;
+
+ if ((rc = snd_ctl_open(&handle, card)) < 0) {
+ Con_Printf("Error: control open (%i): %s\n", card, snd_strerror(rc));
+ return rc;
+ }
+ if ((rc = snd_ctl_hw_info(handle, &info)) < 0) {
+ Con_Printf("Error: control hardware info (%i): %s\n", card,
+ snd_strerror(rc));
+ snd_ctl_close(handle);
+ return rc;
+ }
+ snd_ctl_close(handle);
+ if (dev==-1) {
+ for (dev = 0; dev < info.pcmdevs; dev++) {
+ if ((rc=snd_pcm_open(&pcm_handle,card,dev,
+ SND_PCM_OPEN_PLAYBACK
+ | SND_PCM_OPEN_NONBLOCK))==0) {
+ return 0;
+ }
+ }
+ } else {
+ if (dev>=0 && dev <info.pcmdevs) {
+ if ((rc=snd_pcm_open(&pcm_handle,card,dev,
+ SND_PCM_OPEN_PLAYBACK
+ | SND_PCM_OPEN_NONBLOCK))==0) {
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
+qboolean SNDDMA_Init(void)
+{
+ int rc=0,i;
+ char *err_msg="";
+ int rate=-1,format=-1,bps,stereo=-1,frag_size;
+ unsigned int mask;
+
+ mask = snd_cards_mask();
+ if (!mask) {
+ Con_Printf("No sound cards detected\n");
+ return 0;
+ }
+ if ((i=COM_CheckParm("-sndcard"))!=0) {
+ card=atoi(com_argv[i+1]);
+ }
+ if ((i=COM_CheckParm("-snddev"))!=0) {
+ dev=atoi(com_argv[i+1]);
+ }
+ if ((i=COM_CheckParm("-sndbits")) != 0) {
+ i = atoi(com_argv[i+1]);
+ if (i==16) {
+ format = SND_PCM_SFMT_S16_LE;
+ } else if (i==8) {
+ format = SND_PCM_SFMT_U8;
+ } else {
+ Con_Printf("Error: invalid sample bits: %d\n", i);
+ return 0;
+ }
+ }
+ if ((i=COM_CheckParm("-sndspeed")) != 0) {
+ rate = atoi(com_argv[i+1]);
+ if (rate!=44100 && rate!=22050 && rate!=11025) {
+ Con_Printf("Error: invalid sample rate: %d\n", rate);
+ return 0;
+ }
+ }
+ if ((i=COM_CheckParm("-sndmono")) != 0) {
+ stereo=0;
+ }
+ if (card==-1) {
+ for (card=0; card<SND_CARDS; card++) {
+ if (!(mask & (1<<card)))
+ continue;
+ rc=check_card(card);
+ if (rc<0)
+ return 0;
+ if (!rc)
+ goto dev_openned;
+ }
+ } else {
+ if (dev==-1) {
+ rc=check_card(card);
+ if (rc<0)
+ return 0;
+ if (!rc)
+ goto dev_openned;
+ } else {
+ if ((rc=snd_pcm_open(&pcm_handle,card,dev,
+ SND_PCM_OPEN_PLAYBACK
+ | SND_PCM_OPEN_NONBLOCK))<0) {
+ Con_Printf("Error: audio open error: %s\n", snd_strerror(rc));
+ return 0;
+ }
+ goto dev_openned;
+ }
+ }
+ Con_Printf("Error: audio open error: %s\n", snd_strerror(rc));
+ return 0;
+
+ dev_openned:
+ Con_Printf("Using card %d, device %d.\n", card, dev);
+ memset(&cinfo, 0, sizeof(cinfo));
+ cinfo.channel = SND_PCM_CHANNEL_PLAYBACK;
+ snd_pcm_channel_info(pcm_handle, &cinfo);
+ Con_Printf("%08x %08x %08x\n",cinfo.flags,cinfo.formats,cinfo.rates);
+ if ((rate==-1 || rate==44100) && cinfo.rates & SND_PCM_RATE_44100) {
+ rate=44100;
+ frag_size=512; /* assuming stereo 8 bit */
+ } else if ((rate==-1 || rate==22050) && cinfo.rates & SND_PCM_RATE_22050) {
+ rate=22050;
+ frag_size=256; /* assuming stereo 8 bit */
+ } else if ((rate==-1 || rate==11025) && cinfo.rates & SND_PCM_RATE_11025) {
+ rate=11025;
+ frag_size=128; /* assuming stereo 8 bit */
+ } else {
+ Con_Printf("ALSA: desired rates not supported\n");
+ goto error_2;
+ }
+ if ((format==-1 || format==SND_PCM_SFMT_S16_LE) && cinfo.formats & SND_PCM_FMT_S16_LE) {
+ format=SND_PCM_SFMT_S16_LE;
+ bps=16;
+ frag_size*=2;
+ } else if ((format==-1 || format==SND_PCM_SFMT_U8) && cinfo.formats & SND_PCM_FMT_U8) {
+ format=SND_PCM_SFMT_U8;
+ bps=8;
+ } else {
+ Con_Printf("ALSA: desired formats not supported\n");
+ goto error_2;
+ }
+ if (stereo && cinfo.max_voices>=2) {
+ stereo=1;
+ } else {
+ stereo=0;
+ frag_size/=2;
+ }
+
+// err_msg="audio flush";
+// if ((rc=snd_pcm_channel_flush(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
+// goto error;
+ err_msg="audio munmap";
+ if ((rc=snd_pcm_munmap(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
+ goto error;
+
+ memset(¶ms, 0, sizeof(params));
+ params.channel = SND_PCM_CHANNEL_PLAYBACK;
+ params.mode = SND_PCM_MODE_BLOCK;
+ params.format.interleave=1;
+ params.format.format=format;
+ params.format.rate=rate;
+ params.format.voices=stereo+1;
+ params.start_mode = SND_PCM_START_GO;
+ params.stop_mode = SND_PCM_STOP_ROLLOVER;
+ params.buf.block.frag_size=frag_size;
+ params.buf.block.frags_min=1;
+ params.buf.block.frags_max=-1;
+// err_msg="audio flush";
+// if ((rc=snd_pcm_channel_flush(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
+// goto error;
+ err_msg="audio params";
+ if ((rc=snd_pcm_channel_params(pcm_handle, ¶ms))<0)
+ goto error;
+
+ err_msg="audio mmap";
+ if ((rc=snd_pcm_mmap(pcm_handle, SND_PCM_CHANNEL_PLAYBACK, &mmap_control, (void **)&mmap_data))<0)
+ goto error;
+ err_msg="audio prepare";
+ if ((rc=snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0)
+ goto error;
+
+ memset(&setup, 0, sizeof(setup));
+ setup.mode = SND_PCM_MODE_BLOCK;
+ setup.channel = SND_PCM_CHANNEL_PLAYBACK;
+ err_msg="audio setup";
+ if ((rc=snd_pcm_channel_setup(pcm_handle, &setup))<0)
+ goto error;
+
+ shm=&sn;
+ memset((dma_t*)shm,0,sizeof(*shm));
+ shm->splitbuffer = 0;
+ shm->channels=setup.format.voices;
+ shm->submission_chunk=128; // don't mix less than this #
+ shm->samplepos=0; // in mono samples
+ shm->samplebits=setup.format.format==SND_PCM_SFMT_S16_LE?16:8;
+ shm->samples=setup.buf.block.frags*setup.buf.block.frag_size/(shm->samplebits/8); // mono samples in buffer
+ shm->speed=setup.format.rate;
+ shm->buffer=(unsigned char*)mmap_data;
+ 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);
+
+ snd_inited=1;
+ return 1;
+ error:
+ Con_Printf("Error: %s: %s\n", err_msg, snd_strerror(rc));
+ error_2:
+ snd_pcm_close(pcm_handle);
+ return 0;
+}
+
+int SNDDMA_GetDMAPos(void)
+{
+ if (!snd_inited) return 0;
+ shm->samplepos=(mmap_control->status.frag_io+1)*setup.buf.block.frag_size/(shm->samplebits/8);
+ return shm->samplepos;
+}
+
+void SNDDMA_Shutdown(void)
+{
+ if (snd_inited)
+ {
+ snd_pcm_close(pcm_handle);
+ 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;
+ int i,s,e;
+ int rc;
+
+ count+=setup.buf.block.frag_size-1;
+ count/=setup.buf.block.frag_size;
+ s=soundtime/setup.buf.block.frag_size;
+ e=s+count;
+ for (i=s; i<e; i++)
+ mmap_control->fragments[i % setup.buf.block.frags].data=1;
+ switch (mmap_control->status.status) {
+ case SND_PCM_STATUS_PREPARED:
+ if ((rc=snd_pcm_channel_go(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0) {
+ fprintf(stderr, "unable to start playback. %s\n",
+ snd_strerror(rc));
+ exit(1);
+ }
+ break;
+ case SND_PCM_STATUS_RUNNING:
+ break;
+ case SND_PCM_STATUS_UNDERRUN:
+ if ((rc=snd_pcm_plugin_prepare(pcm_handle, SND_PCM_CHANNEL_PLAYBACK))<0) {
+ fprintf(stderr, "underrun: playback channel prepare error. %s\n",
+ snd_strerror(rc));
+ exit(1);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
--- /dev/null
+/*
+ snd_alsa.c
+
+ (description)
+
+ 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 "quakedef.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <sys/types.h>
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
+#ifdef HAVE_SYS_MMAN_H
+# include <sys/mman.h>
+#endif
+#if defined HAVE_SYS_SOUNDCARD_H
+# include <sys/soundcard.h>
+#elif defined HAVE_LINUX_SOUNDCARD_H
+# include <linux/soundcard.h>
+#elif HAVE_MACHINE_SOUNDCARD_H
+# include <machine/soundcard.h>
+#endif
+
+#include <sys/asoundlib.h>
+
+#ifndef MAP_FAILED
+# define MAP_FAILED ((void*)-1)
+#endif
+
+extern int soundtime;
+static int snd_inited;
+
+static snd_pcm_t *pcm_handle;
+static snd_pcm_params_info_t cpinfo;
+static snd_pcm_params_t params;
+static snd_pcm_setup_t setup;
+static snd_pcm_mmap_control_t *mmap_control = NULL;
+static snd_pcm_mmap_status_t *mmap_status = NULL;
+static char *mmap_data = NULL;
+static int card=-1,dev=-1,subdev=-1;;
+
+//XXX ugh, not defined in asoundlib.h
+int snd_pcm_mmap_status(snd_pcm_t *pcm, snd_pcm_mmap_status_t **status);
+int snd_pcm_mmap_control(snd_pcm_t *pcm, snd_pcm_mmap_control_t **control);
+
+int check_card(int card)
+{
+ snd_ctl_t *handle;
+ snd_ctl_hw_info_t info;
+ int rc;
+
+ if ((rc = snd_ctl_hw_open(&handle, card)) < 0) {
+ Con_Printf("Error: control open (%i): %s\n", card, snd_strerror(rc));
+ return rc;
+ }
+ if ((rc = snd_ctl_hw_info(handle, &info)) < 0) {
+ Con_Printf("Error: control hardware info (%i): %s\n", card,
+ snd_strerror(rc));
+ snd_ctl_close(handle);
+ return rc;
+ }
+ snd_ctl_close(handle);
+ if (dev==-1) {
+ for (dev = 0; dev < info.pcmdevs; dev++) {
+ if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev,
+ SND_PCM_STREAM_PLAYBACK,
+ SND_PCM_NONBLOCK))==0) {
+ return 0;
+ }
+ }
+ } else {
+ if (dev>=0 && dev <info.pcmdevs) {
+ if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev,
+ SND_PCM_STREAM_PLAYBACK,
+ SND_PCM_NONBLOCK))==0) {
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
+qboolean SNDDMA_Init(void)
+{
+ int rc=0,i;
+ char *err_msg="";
+ int rate=-1,format=-1,bps,stereo=-1,frag_size,frame_size;
+ unsigned int mask;
+
+ mask = snd_cards_mask();
+ if (!mask) {
+ Con_Printf("No sound cards detected\n");
+ return 0;
+ }
+ if ((i=COM_CheckParm("-sndcard"))!=0) {
+ card=atoi(com_argv[i+1]);
+ }
+ if ((i=COM_CheckParm("-snddev"))!=0) {
+ dev=atoi(com_argv[i+1]);
+ }
+ if ((i=COM_CheckParm("-sndbits")) != 0) {
+ i = atoi(com_argv[i+1]);
+ if (i==16) {
+ format = SND_PCM_SFMT_S16_LE;
+ } else if (i==8) {
+ format = SND_PCM_SFMT_U8;
+ } else {
+ Con_Printf("Error: invalid sample bits: %d\n", i);
+ return 0;
+ }
+ }
+ if ((i=COM_CheckParm("-sndspeed")) != 0) {
+ rate = atoi(com_argv[i+1]);
+ if (rate!=44100 && rate!=22050 && rate!=11025) {
+ Con_Printf("Error: invalid sample rate: %d\n", rate);
+ return 0;
+ }
+ }
+ if ((i=COM_CheckParm("-sndmono")) != 0) {
+ stereo=0;
+ }
+ if (card==-1) {
+ for (card=0; card<SND_CARDS; card++) {
+ if (!(mask & (1<<card)))
+ continue;
+ rc=check_card(card);
+ if (rc<0)
+ return 0;
+ if (!rc)
+ goto dev_openned;
+ }
+ } else {
+ if (dev==-1) {
+ rc=check_card(card);
+ if (rc<0)
+ return 0;
+ if (!rc)
+ goto dev_openned;
+ } else {
+ if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev,
+ SND_PCM_STREAM_PLAYBACK,
+ SND_PCM_NONBLOCK))<0) {
+ Con_Printf("Error: audio open error: %s\n", snd_strerror(rc));
+ return 0;
+ }
+ goto dev_openned;
+ }
+ }
+ Con_Printf("Error: audio open error: %s\n", snd_strerror(rc));
+ return 0;
+
+ dev_openned:
+ Con_Printf("Using card %d, device %d.\n", card, dev);
+ memset(&cpinfo, 0, sizeof(cpinfo));
+ snd_pcm_params_info(pcm_handle, &cpinfo);
+ Con_Printf("%08x %08x %08x\n",cpinfo.flags,cpinfo.formats,cpinfo.rates);
+ if ((rate==-1 || rate==44100) && cpinfo.rates & SND_PCM_RATE_44100) {
+ rate=44100;
+ frag_size=256; /* assuming stereo 8 bit */
+ } else if ((rate==-1 || rate==22050) && cpinfo.rates & SND_PCM_RATE_22050) {
+ rate=22050;
+ frag_size=128; /* assuming stereo 8 bit */
+ } else if ((rate==-1 || rate==11025) && cpinfo.rates & SND_PCM_RATE_11025) {
+ rate=11025;
+ frag_size=64; /* assuming stereo 8 bit */
+ } else {
+ Con_Printf("ALSA: desired rates not supported\n");
+ goto error_2;
+ }
+ if ((format==-1 || format==SND_PCM_SFMT_S16_LE) && cpinfo.formats & SND_PCM_FMT_S16_LE) {
+ format=SND_PCM_SFMT_S16_LE;
+ bps=16;
+ frame_size=2;
+ } else if ((format==-1 || format==SND_PCM_SFMT_U8) && cpinfo.formats & SND_PCM_FMT_U8) {
+ format=SND_PCM_SFMT_U8;
+ bps=8;
+ frame_size=1;
+ } else {
+ Con_Printf("ALSA: desired formats not supported\n");
+ goto error_2;
+ }
+ //XXX can't support non-interleaved stereo
+ if (stereo && (cpinfo.flags & SND_PCM_INFO_INTERLEAVED) && cpinfo.max_channels>=2) {
+ stereo=1;
+ frame_size*=2;
+ } else {
+ stereo=0;
+ }
+
+ memset(¶ms, 0, sizeof(params));
+ //XXX can't support non-interleaved stereo
+ params.xfer_mode = stereo ? SND_PCM_XFER_INTERLEAVED
+ : SND_PCM_XFER_NONINTERLEAVED;
+ params.format.sfmt=format;
+ params.format.rate=rate;
+ params.format.channels=stereo+1;
+ params.start_mode = SND_PCM_START_EXPLICIT;
+ params.xrun_mode = SND_PCM_XRUN_NONE;
+
+ params.buffer_size = (2<<16) / frame_size;
+ params.frag_size=frag_size;
+ params.avail_min = frag_size;
+
+ params.xrun_max = 1024;
+ params.boundary = params.buffer_size;
+
+ while (1) {
+ err_msg="audio params";
+ if ((rc=snd_pcm_params(pcm_handle, ¶ms))<0)
+ goto error;
+
+ memset(&setup, 0, sizeof(setup));
+ err_msg="audio setup";
+ if ((rc=snd_pcm_setup(pcm_handle, &setup))<0)
+ goto error;
+ if (setup.buffer_size == params.buffer_size)
+ break;
+ params.boundary = params.buffer_size = setup.buffer_size;
+ }
+
+ err_msg="audio mmap";
+ if ((rc=snd_pcm_mmap(pcm_handle, (void**)&mmap_data))<0)
+ goto error;
+ if ((rc=snd_pcm_mmap_status(pcm_handle, &mmap_status))<0)
+ goto error;
+ if ((rc=snd_pcm_mmap_control(pcm_handle, &mmap_control))<0)
+ goto error;
+ err_msg="audio prepare";
+ if ((rc=snd_pcm_prepare(pcm_handle))<0)
+ goto error;
+
+ shm=&sn;
+ memset((dma_t*)shm,0,sizeof(*shm));
+ shm->splitbuffer = 0;
+ shm->channels=setup.format.channels;
+ shm->submission_chunk=frag_size; // don't mix less than this #
+ shm->samplepos=0; // in mono samples
+ shm->samplebits=setup.format.sfmt==SND_PCM_SFMT_S16_LE?16:8;
+ shm->samples=setup.buffer_size*shm->channels; // mono samples in buffer
+ shm->speed=setup.format.rate;
+ shm->buffer=(unsigned char*)mmap_data;
+ 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);
+
+ snd_inited=1;
+ return 1;
+ error:
+ Con_Printf("Error: %s: %s\n", err_msg, snd_strerror(rc));
+ error_2:
+ snd_pcm_close(pcm_handle);
+ return 0;
+}
+
+int SNDDMA_GetDMAPos(void)
+{
+ size_t hw_ptr;
+ if (!snd_inited) return 0;
+ hw_ptr = mmap_status->hw_ptr;
+ //printf("%7d %7d\n", mmap_control->appl_ptr, hw_ptr);
+ hw_ptr *= shm->channels;
+ shm->samplepos = hw_ptr;
+ return shm->samplepos;
+}
+
+void SNDDMA_Shutdown(void)
+{
+ if (snd_inited)
+ {
+ snd_pcm_close(pcm_handle);
+ 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;
+ int rc;
+
+ mmap_control->appl_ptr=mmap_status->hw_ptr+count;
+ switch (mmap_status->state) {
+ case SND_PCM_STATE_PREPARED:
+ if ((rc=snd_pcm_start(pcm_handle))<0) {
+ fprintf(stderr, "unable to start playback. %s\n",
+ snd_strerror(rc));
+ exit(1);
+ }
+ break;
+ case SND_PCM_STATE_RUNNING:
+ break;
+ case SND_PCM_STATE_UNDERRUN:
+ printf("sound underrun\n");
+ if ((rc=snd_pcm_prepare (pcm_handle))<0) {
+ fprintf(stderr, "underrun: playback channel prepare error. %s\n",
+ snd_strerror(rc));
+ exit(1);
+ }
+ break;
+ }
+}
+
projects / xonotic / darkplaces.git / commitdiff