mirror of
https://git.code.sf.net/p/quake/newtree
synced 2024-11-22 12:11:34 +00:00
ALSA 0.6 support added. old snd_alsa.c renamed to snd_alsa_0_5.c
This commit is contained in:
Bill Currie
parent
69edf96241
commit
3396ca6fde
4 changed files with 345 additions and 9 deletions
25
configure.in
25
configure.in
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@ -566,13 +566,25 @@ if test "x$enable_alsa" != "xno"; then
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[
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#include <sys/asoundlib.h>
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#if defined(SND_LIB_MAJOR) && defined(SND_LIB_MINOR)
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#if SND_LIB_MAJOR>0 || (SND_LIB_MAJOR==0 && SND_LIB_MINOR>=5)
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#if SND_LIB_MAJOR>0 || (SND_LIB_MAJOR==0 && SND_LIB_MINOR==5)
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QF_maGiC_VALUE
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#endif
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#endif
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],
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SNDTYPE="ALSA"
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SOUND_LIBS="-lasound"
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SNDTYPE="ALSA_0_5"
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SOUND_LIBS="-lasound",
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AC_EGREP_CPP([QF_maGiC_VALUE],
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[
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#include <sys/asoundlib.h>
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#if defined(SND_LIB_MAJOR) && defined(SND_LIB_MINOR)
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#if SND_LIB_MAJOR>0 || (SND_LIB_MAJOR==0 && SND_LIB_MINOR>=6)
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QF_maGiC_VALUE
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#endif
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#endif
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],
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SNDTYPE="ALSA_0_6"
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SOUND_LIBS="-lasound"
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)
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)
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fi
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fi
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@ -649,18 +661,18 @@ else
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fi
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AC_SUBST(SOUND_LIBS)
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AC_SUBST(SOUND_CFLAGS)
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AM_CONDITIONAL(SNDTYPE_ALSA, test "$SNDTYPE" = "ALSA")
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AM_CONDITIONAL(SNDTYPE_ALSA_0_5, test "$SNDTYPE" = "ALSA_0_5")
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AM_CONDITIONAL(SNDTYPE_ALSA_0_6, test "$SNDTYPE" = "ALSA_0_6")
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AM_CONDITIONAL(SNDTYPE_MME, test "$SNDTYPE" = "MME")
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AM_CONDITIONAL(SNDTYPE_OSS, test "$SNDTYPE" = "OSS")
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AM_CONDITIONAL(SNDTYPE_SUN, test "$SNDTYPE" = "SUN")
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AM_CONDITIONAL(SNDTYPE_WIN32, test "$SNDTYPE" = "WIN32")
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AM_CONDITIONAL(SNDTYPE_NULL, test "$SNDTYPE" != "ALSA" -a "$SNDTYPE" != "MME" -a "$SNDTYPE" != "OSS" -a "$SNDTYPE" != "SUN" -a "$SNDTYPE" != "WIN32")
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AM_CONDITIONAL(SNDTYPE_NULL, test "$SNDTYPE" != "ALSA_0_5" -a "$SNDTYPE" != "ALSA_0_6" -a "$SNDTYPE" != "MME" -a "$SNDTYPE" != "OSS" -a "$SNDTYPE" != "SUN" -a "$SNDTYPE" != "WIN32")
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dnl ==================================================================
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dnl Checks for CD-ROM
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dnl ==================================================================
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SNDTYPE=""
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CD_LIBS=""
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CD_CFLAGS=""
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AC_MSG_CHECKING(for CD audio support)
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@ -994,4 +1006,5 @@ AC_MSG_RESULT([
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System game data directory: $sharepath
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Per-user game data directory: $userpath
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Global configuration file: $globalconf
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Sound sytem: $SNDTYPE
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])
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@ -88,8 +88,11 @@ EXTRA_libqfsys_cl_a_SOURCES= cl_sys_unix.c cl_sys_win.c sys_win.c sys_unix.c fnm
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#
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# ... Digital audio
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#
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if SNDTYPE_ALSA
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libqfsnd_a_SOURCES = snd_dma.c snd_mem.c snd_mix.c snd_alsa.c
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if SNDTYPE_ALSA_0_5
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libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_5.c
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endif
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if SNDTYPE_ALSA_0_6
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libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_6.c
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endif
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if SNDTYPE_MME
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libqfsnd_a_SOURCES = snd_dma.c snd_mem.c snd_mix.c snd_mme.c
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@ -106,7 +109,8 @@ endif
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if SNDTYPE_NULL
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libqfsnd_a_SOURCES = snd_null.c
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endif
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EXTRA_libqfsnd_a_SOURCES = snd_dma.c snd_mem.c snd_mix.c snd_alsa.c snd_oss.c snd_sun.c snd_win.c snd_null.c
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EXTRA_libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_5.c \
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snd_alsa_0_6.c snd_oss.c snd_sun.c snd_win.c snd_null.c
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#
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# ... CD audio
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@ -30,6 +30,7 @@
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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 <qtypes.h>
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#include <sound.h>
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#include <qargs.h>
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318
source/snd_alsa_0_6.c
Normal file
318
source/snd_alsa_0_6.c
Normal file
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@ -0,0 +1,318 @@
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/*
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snd_alsa.c
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(description)
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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 <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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#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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#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 snd_inited;
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static snd_pcm_t *pcm_handle;
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static snd_pcm_info_t cinfo;
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static snd_pcm_params_info_t cpinfo;
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static snd_pcm_params_t params;
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static snd_pcm_setup_t setup;
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static snd_pcm_mmap_control_t *mmap_control = NULL;
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static snd_pcm_mmap_status_t *mmap_status = NULL;
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static char *mmap_data = NULL;
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static int card=-1,dev=-1,subdev=-1;;
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int check_card(int card)
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{
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snd_ctl_t *handle;
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snd_ctl_hw_info_t info;
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int rc;
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if ((rc = snd_ctl_hw_open(&handle, card)) < 0) {
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Con_Printf("Error: control open (%i): %s\n", card, snd_strerror(rc));
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return rc;
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}
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if ((rc = snd_ctl_hw_info(handle, &info)) < 0) {
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Con_Printf("Error: control hardware info (%i): %s\n", card,
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snd_strerror(rc));
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snd_ctl_close(handle);
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return rc;
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}
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snd_ctl_close(handle);
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if (dev==-1) {
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for (dev = 0; dev < info.pcmdevs; dev++) {
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if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev,
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SND_PCM_STREAM_PLAYBACK,
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SND_PCM_NONBLOCK))==0) {
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return 0;
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}
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}
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} else {
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if (dev>=0 && dev <info.pcmdevs) {
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if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev,
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SND_PCM_STREAM_PLAYBACK,
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SND_PCM_NONBLOCK))==0) {
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return 0;
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}
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}
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}
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return 1;
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}
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qboolean SNDDMA_Init(void)
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{
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int rc=0,i;
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char *err_msg="";
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int rate,format,bps,stereo,frag_size,frame_size;
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unsigned int mask;
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mask = snd_cards_mask();
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if (!mask) {
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Con_Printf("No sound cards detected\n");
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return 0;
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}
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if ((i=COM_CheckParm("-sndcard"))!=0) {
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card=atoi(com_argv[i+1]);
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}
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if ((i=COM_CheckParm("-snddev"))!=0) {
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dev=atoi(com_argv[i+1]);
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}
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if (card==-1) {
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for (card=0; card<SND_CARDS; card++) {
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if (!(mask & (1<<card)))
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continue;
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rc=check_card(card);
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if (rc<0)
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return 0;
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if (!rc)
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goto dev_openned;
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}
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} else {
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if (dev==-1) {
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rc=check_card(card);
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if (rc<0)
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return 0;
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if (!rc)
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goto dev_openned;
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} else {
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if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev,
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SND_PCM_STREAM_PLAYBACK,
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SND_PCM_NONBLOCK))<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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goto dev_openned;
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}
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}
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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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dev_openned:
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Con_Printf("Using card %d, device %d.\n", card, dev);
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memset(&cinfo, 0, sizeof(cinfo));
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snd_pcm_info(pcm_handle, &cinfo);
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memset(&cpinfo, 0, sizeof(cpinfo));
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snd_pcm_params_info(pcm_handle, &cpinfo);
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Con_Printf("%08x %08x %08x\n",cinfo.flags,cpinfo.formats,cpinfo.rates);
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if (cpinfo.rates & SND_PCM_RATE_44100) {
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rate=44100;
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frag_size=256; /* assuming stereo 8 bit */
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} else if (cpinfo.rates & SND_PCM_RATE_22050) {
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rate=22050;
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frag_size=128; /* assuming stereo 8 bit */
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} else if (cpinfo.rates & SND_PCM_RATE_11025) {
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rate=11025;
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frag_size=64; /* assuming stereo 8 bit */
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} else {
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Con_Printf("ALSA: desired rates not supported\n");
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goto error_2;
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}
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if (cpinfo.formats & SND_PCM_FMT_S16_LE) {
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format=SND_PCM_SFMT_S16_LE;
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bps=16;
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frame_size=2;
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} else if (cpinfo.formats & SND_PCM_FMT_U8) {
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format=SND_PCM_SFMT_U8;
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bps=8;
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frame_size=1;
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} else {
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Con_Printf("ALSA: desired formats not supported\n");
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goto error_2;
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}
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if (cpinfo.max_channels>=2) {
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stereo=1;
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frame_size*=2;
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} else {
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stereo=0;
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}
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memset(¶ms, 0, sizeof(params));
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params.mode = SND_PCM_MODE_FRAME;
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params.format.interleave=1;
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params.format.format=format;
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params.format.rate=rate;
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params.format.channels=stereo+1;
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params.start_mode = SND_PCM_START_GO;
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params.xrun_mode = SND_PCM_XRUN_RESTART;
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params.buffer_size = (2<<16) / frame_size;
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params.frag_size=frag_size;
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params.avail_min = frag_size;
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params.align = frag_size;
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params.xrun_max = 1024;
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params.fill_mode = SND_PCM_FILL_SILENCE;
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params.fill_max = 1024;
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params.boundary = params.buffer_size;
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err_msg="audio params";
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if ((rc=snd_pcm_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, &mmap_status, &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_prepare(pcm_handle))<0)
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goto error;
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memset(&setup, 0, sizeof(setup));
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err_msg="audio setup";
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if ((rc=snd_pcm_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=setup.format.channels;
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shm->submission_chunk=frag_size; // don't mix less than this #
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shm->samplepos=0; // in mono samples
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shm->samplebits=setup.format.format==SND_PCM_SFMT_S16_LE?16:8;
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shm->samples=setup.buffer_size*frame_size/(shm->samplebits/8); // mono samples in buffer
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shm->speed=setup.format.rate;
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shm->buffer=(unsigned char*)mmap_data;
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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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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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error_2:
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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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size_t hw_ptr;
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if (!snd_inited) return 0;
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hw_ptr = snd_pcm_hw_ptr (pcm_handle, 1);
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//printf("%7d %7d\n", mmap_control->appl_ptr, hw_ptr);
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hw_ptr *= shm->channels;
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shm->samplepos = hw_ptr;
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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 rc;
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mmap_control->appl_ptr=mmap_status->hw_ptr+count;
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switch (mmap_status->state) {
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case SND_PCM_STATE_PREPARED:
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if ((rc=snd_pcm_go(pcm_handle))<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_STATE_RUNNING:
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break;
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case SND_PCM_STATE_UNDERRUN:
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printf("sound underrun\n");
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if ((rc=snd_pcm_prepare (pcm_handle))<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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}
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}
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