as alsa 0.6 never came out, ditch it and add 0.9 support (thanks, Abramo)

This commit is contained in:
Bill Currie 2001-02-22 20:51:51 +00:00
parent 61ab8c2d47
commit 7227f77fb6
7 changed files with 625 additions and 719 deletions

View file

@ -741,7 +741,7 @@ QF_maGiC_VALUE
#endif
#endif
],
SNDTYPE="ALSA_0_6"
SNDTYPE="ALSA_0_9"
SOUND_LIBS="-lasound"
)
)
@ -834,14 +834,14 @@ AC_SUBST(SOUND_LIBS)
AC_SUBST(SOUND_CFLAGS)
AM_CONDITIONAL(SNDTYPE_ALSA_0_5, test "$SNDTYPE" = "ALSA_0_5")
AM_CONDITIONAL(SNDTYPE_ALSA_0_6, test "$SNDTYPE" = "ALSA_0_6")
AM_CONDITIONAL(SNDTYPE_ALSA_0_9, test "$SNDTYPE" = "ALSA_0_9")
AM_CONDITIONAL(SNDTYPE_MME, test "$SNDTYPE" = "MME")
AM_CONDITIONAL(SNDTYPE_OSS, test "$SNDTYPE" = "OSS")
AM_CONDITIONAL(SNDTYPE_SDL, test "$SNDTYPE" = "SDL")
AM_CONDITIONAL(SNDTYPE_SGI, test "$SNDTYPE" = "SGI")
AM_CONDITIONAL(SNDTYPE_SUN, test "$SNDTYPE" = "SUN")
AM_CONDITIONAL(SNDTYPE_WIN32, test "$SNDTYPE" = "WIN32")
AM_CONDITIONAL(SNDTYPE_NULL, test "$SNDTYPE" != "ALSA_0_5" -a "$SNDTYPE" != "ALSA_0_6" -a "$SNDTYPE" != "MME" -a "$SNDTYPE" != "OSS" -a "$SNDTYPE" != "SDL" -a "$SNDTYPE" != "SGI" -a "$SNDTYPE" != "SUN" -a "$SNDTYPE" != "WIN32")
AM_CONDITIONAL(SNDTYPE_NULL, test "$SNDTYPE" != "ALSA_0_5" -a "$SNDTYPE" != "ALSA_0_9" -a "$SNDTYPE" != "MME" -a "$SNDTYPE" != "OSS" -a "$SNDTYPE" != "SDL" -a "$SNDTYPE" != "SGI" -a "$SNDTYPE" != "SUN" -a "$SNDTYPE" != "WIN32")
dnl Tests for joystick support
AC_MSG_CHECKING(for joystick support)

View file

@ -71,8 +71,8 @@ EXTRA_libqfsys_a_SOURCES= dirent.c fnmatch.c sys_unix.c sys_win.c
if SNDTYPE_ALSA_0_5
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_5.c $(sound_ASM)
endif
if SNDTYPE_ALSA_0_6
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_6.c $(sound_ASM)
if SNDTYPE_ALSA_0_9
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_9.c $(sound_ASM)
endif
if SNDTYPE_MME
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_mme.c $(sound_ASM)
@ -90,7 +90,7 @@ if SNDTYPE_NULL
libqfsnd_a_SOURCES= snd_null.c $(sound_ASM)
endif
EXTRA_libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_5.c \
snd_alsa_0_6.c snd_oss.c snd_sun.c snd_win.c snd_null.c \
snd_alsa_0_9.c snd_oss.c snd_sun.c snd_win.c snd_null.c \
$(sound_ASM)
#

View file

@ -1,356 +0,0 @@
/*
snd_alsa_0_6.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 <stdio.h>
#include <sys/asoundlib.h>
#include "console.h"
#include "qargs.h"
#include "sound.h"
#include "va.h"
static int snd_inited;
static snd_pcm_t *pcm_handle;
static snd_pcm_hw_info_t hwinfo;
static snd_pcm_hw_params_t hwparams;
static snd_pcm_sw_params_t swparams;
static const snd_pcm_channel_area_t *mmap_running_areas;
static int card = -1, dev = -1;
int
check_card (int card)
{
snd_ctl_t *handle;
int rc;
if ((rc = snd_ctl_open (&handle, va ("hw:%d", card))) < 0) {
Con_Printf ("Error: control open (%i): %s\n", card, snd_strerror (rc));
return rc;
}
if (dev == -1) {
while (1) {
if ((rc = snd_ctl_pcm_next_device (handle, &dev)) < 0) {
Con_Printf ("Error: next device: %s\n", snd_strerror (rc));
return rc;
}
if (dev < 0)
break;
if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev),
SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK)) == 0) {
goto exit;
}
}
} else {
if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev),
SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK)) == 0) {
goto exit;
}
Con_Printf ("Error: snd_pcm_open %d: %s\n", dev, snd_strerror (rc));
goto exit;
}
rc = 1;
exit:
snd_ctl_close(handle);
return rc;
}
qboolean
SNDDMA_Init (void)
{
int rc = 0, i;
char *err_msg = "";
int rate = -1, format = -1, stereo = -1, frag_size;
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_FMTBIT_S16_LE;
} else if (i == 8) {
format = SND_PCM_FMTBIT_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) {
if (snd_card_next(&card) < 0 || card < 0) {
Con_Printf ("No sound cards detected\n");
return 0;
}
while (card >= 0) {
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, va ("hw:%d,%d", card, dev),
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 (&hwinfo, 0, sizeof (hwinfo));
snd_pcm_hw_info_any (&hwinfo);
hwinfo.access_mask = SND_PCM_ACCBIT_MMAP_INTERLEAVED;
err_msg = "snd_pcm_hw_info";
if ((rc = snd_pcm_hw_info (pcm_handle, &hwinfo)) < 0)
goto error;
Con_Printf ("%08x %08x\n", hwinfo.access_mask, hwinfo.format_mask);
rate = 44100;
frag_size = 4;
#if 0 // XXX
if ((rate == -1 || rate == 44100) && hwinfo.rates & SND_PCM_RATE_44100) {
rate = 44100;
frag_size = 256; /* assuming stereo 8 bit */
} else if ((rate == -1 || rate == 22050)
&& hwinfo.rates & SND_PCM_RATE_22050) {
rate = 22050;
frag_size = 128; /* assuming stereo 8 bit */
} else if ((rate == -1 || rate == 11025)
&& hwinfo.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;
}
#endif
if ((format == -1 || format == SND_PCM_FMTBIT_S16_LE)
&& hwinfo.format_mask & SND_PCM_FORMAT_S16_LE) {
format = SND_PCM_FORMAT_S16_LE;
} else if ((format == -1 || format == SND_PCM_FORMAT_U8)
&& hwinfo.format_mask & SND_PCM_FORMAT_U8) {
format = SND_PCM_FORMAT_U8;
} else {
Con_Printf ("ALSA: desired formats not supported\n");
goto error_2;
}
// XXX can't support non-interleaved stereo
if (stereo && (hwinfo.access_mask & SND_PCM_ACCBIT_MMAP_INTERLEAVED)
&& hwinfo.channels_max >= 2) {
stereo = 1;
} else {
stereo = 0;
}
memset (&hwparams, 0, sizeof (hwparams));
// XXX can't support non-interleaved stereo
hwparams.access = stereo ? SND_PCM_ACCESS_MMAP_INTERLEAVED
: SND_PCM_ACCESS_MMAP_NONINTERLEAVED;
hwparams.format = format;
hwparams.rate = rate;
hwparams.channels = stereo + 1;
hwparams.fragment_size = 32;
hwparams.fragments = 512;
err_msg = "snd_pcm_hw_params";
if ((rc = snd_pcm_hw_params (pcm_handle, &hwparams)) < 0) {
Con_Printf("failed: %08x\n", hwparams.fail_mask);
goto error;
}
memset (&swparams, 0, sizeof (swparams));
swparams.start_mode = SND_PCM_START_EXPLICIT;
swparams.xrun_mode = SND_PCM_XRUN_FRAGMENT;
swparams.xfer_min = 1;
swparams.xfer_align = 1;
err_msg = "snd_pcm_sw_params";
if ((rc = snd_pcm_sw_params (pcm_handle, &swparams)) < 0) {
Con_Printf("failed: %08x\n", swparams.fail_mask);
goto error;
}
err_msg = "audio prepare";
if ((rc = snd_pcm_prepare (pcm_handle)) < 0)
goto error;
mmap_running_areas = snd_pcm_mmap_areas (pcm_handle);
shm = &sn;
memset ((dma_t *) shm, 0, sizeof (*shm));
shm->splitbuffer = 0;
shm->channels = hwparams.channels;
shm->submission_chunk = frag_size; // don't mix less than this #
shm->samplepos = 0; // in mono samples
shm->samplebits = hwparams.format == SND_PCM_FORMAT_S16_LE ? 16 : 8;
shm->samples = hwparams.fragment_size * hwparams.fragments
* shm->channels; // mono samples in buffer
shm->speed = hwparams.rate;
shm->buffer = (unsigned char *) mmap_running_areas->addr;
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;
}
static inline int
get_hw_ptr ()
{
size_t app_ptr;
ssize_t delay;
int hw_ptr;
if (snd_pcm_state (pcm_handle) != SND_PCM_STATE_RUNNING)
return 0;
app_ptr = snd_pcm_mmap_offset (pcm_handle);
snd_pcm_delay (pcm_handle, &delay);
hw_ptr = app_ptr - delay;
return hw_ptr;
}
int
SNDDMA_GetDMAPos (void)
{
int hw_ptr;
if (!snd_inited)
return 0;
hw_ptr = get_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 avail;
int missed;
int state;
int hw_ptr;
int offset;
state = snd_pcm_state (pcm_handle);
switch (state) {
case SND_PCM_STATE_XRUN:
//snd_pcm_reset (pcm_handle);
snd_pcm_prepare (pcm_handle);
//break;
case SND_PCM_STATE_PREPARED:
snd_pcm_mmap_forward (pcm_handle, count);
snd_pcm_start (pcm_handle);
//break;
case SND_PCM_STATE_RUNNING:
hw_ptr = get_hw_ptr ();
missed = hw_ptr - shm->samplepos / shm->channels;
count -= missed;
offset = snd_pcm_mmap_offset (pcm_handle);
if (offset > hw_ptr)
count -= (offset - hw_ptr);
else
count -= (hwparams.fragments - hw_ptr + offset);
if (count < 0) {
snd_pcm_rewind (pcm_handle, -count);
} else if (count > 0) {
avail = snd_pcm_avail_update (pcm_handle);
if (avail > 0 && count > avail) {
snd_pcm_mmap_forward (pcm_handle, avail);
count -= avail;
}
snd_pcm_mmap_forward (pcm_handle, count);
}
break;
default:
printf("snd_alsa: nexpected state: %d\n", state);
break;
}
}

308
nq/source/snd_alsa_0_9.c Normal file
View file

@ -0,0 +1,308 @@
/*
snd_alsa_0_6.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 <stdio.h>
#include <sys/asoundlib.h>
#include "qtypes.h"
#include "sound.h"
#include "qargs.h"
#include "console.h"
static int snd_inited;
static snd_pcm_t *pcm;
static const snd_pcm_channel_area_t *mmap_areas;
static char *pcmname = NULL;
size_t buffer_size;
qboolean SNDDMA_Init(void)
{
int err,i;
int rate=-1,bps=-1,stereo=-1,frag_size;
snd_pcm_hw_params_t *hw;
snd_pcm_sw_params_t *sw;
snd_pcm_hw_params_alloca(&hw);
snd_pcm_sw_params_alloca(&sw);
if ((i=COM_CheckParm("-sndpcm"))!=0) {
pcmname=com_argv[i+1];
}
if ((i=COM_CheckParm("-sndbits")) != 0) {
bps = atoi(com_argv[i+1]);
if (bps != 16 && bps != 8) {
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 ((i=COM_CheckParm("-sndstereo")) != 0) {
stereo=1;
}
if (!pcmname)
pcmname = "plug:0,0";
if ((err=snd_pcm_open(&pcm, pcmname,
SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK))<0) {
Con_Printf("Error: audio open error: %s\n", snd_strerror(err));
return 0;
}
Con_Printf("Using PCM %s.\n", pcmname);
snd_pcm_hw_params_any(pcm, hw);
switch (rate) {
case -1:
if (snd_pcm_hw_params_set_rate(pcm, hw, 44100, 0) >= 0) {
frag_size = 256; /* assuming stereo 8 bit */
rate = 44100;
} else if (snd_pcm_hw_params_set_rate(pcm, hw, 22050, 0) >= 0) {
frag_size = 128; /* assuming stereo 8 bit */
rate = 22050;
} else if (snd_pcm_hw_params_set_rate(pcm, hw, 11025, 0) >= 0) {
frag_size = 64; /* assuming stereo 8 bit */
rate = 11025;
} else {
Con_Printf("ALSA: no useable rates\n");
goto error;
}
break;
case 11025:
case 22050:
case 44100:
if (snd_pcm_hw_params_set_rate(pcm, hw, rate, 0) >= 0) {
frag_size = 64 * rate / 11025; /* assuming stereo 8 bit */
break;
}
/* Fall through */
default:
Con_Printf("ALSA: desired rate not supported\n");
goto error;
}
switch (bps) {
case -1:
if (snd_pcm_hw_params_set_format(pcm, hw, SND_PCM_FORMAT_S16_LE) >= 0) {
bps = 16;
} else if (snd_pcm_hw_params_set_format(pcm, hw, SND_PCM_FORMAT_U8) >= 0) {
bps = 8;
} else {
Con_Printf("ALSA: no useable formats\n");
goto error;
}
break;
case 8:
case 16:
if (snd_pcm_hw_params_set_format(pcm, hw,
bps == 8 ? SND_PCM_FORMAT_U8 :
SND_PCM_FORMAT_S16) >= 0) {
break;
}
/* Fall through */
default:
Con_Printf("ALSA: desired format not supported\n");
goto error;
}
if (snd_pcm_hw_params_set_access(pcm, hw,
SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
Con_Printf("ALSA: interleaved is not supported\n");
goto error;
}
switch (stereo) {
case -1:
if (snd_pcm_hw_params_set_channels(pcm, hw, 2) >= 0) {
stereo = 1;
} else if (snd_pcm_hw_params_set_channels(pcm, hw, 1) >= 0) {
stereo = 0;
} else {
Con_Printf("ALSA: no useable channels\n");
goto error;
}
break;
case 0:
case 1:
if (snd_pcm_hw_params_set_channels(pcm, hw, stereo ? 2 : 1) >= 0)
break;
/* Fall through */
default:
Con_Printf("ALSA: desired channels not supported\n");
goto error;
}
snd_pcm_hw_params_set_period_size_near(pcm, hw, frag_size, 0);
err = snd_pcm_hw_params(pcm, hw);
if (err < 0) {
Con_Printf("ALSA: unable to install hw params\n");
goto error;
}
snd_pcm_sw_params_current(pcm, sw);
snd_pcm_sw_params_set_start_mode(pcm, sw, SND_PCM_START_EXPLICIT);
snd_pcm_sw_params_set_xrun_mode(pcm, sw, SND_PCM_XRUN_NONE);
err = snd_pcm_sw_params(pcm, sw);
if (err < 0) {
Con_Printf("ALSA: unable to install sw params\n");
goto error;
}
mmap_areas = snd_pcm_mmap_running_areas(pcm);
shm=&sn;
memset((dma_t*)shm,0,sizeof(*shm));
shm->splitbuffer = 0;
shm->channels=stereo+1;
shm->submission_chunk=snd_pcm_hw_params_get_period_size(hw, 0); // don't mix less than this #
shm->samplepos=0; // in mono samples
shm->samplebits=bps;
buffer_size = snd_pcm_hw_params_get_buffer_size(hw);
shm->samples=buffer_size*shm->channels; // mono samples in buffer
shm->speed=rate;
shm->buffer=(unsigned char*)mmap_areas->addr;
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:
snd_pcm_close(pcm);
return 0;
}
static inline int
get_hw_ptr()
{
size_t app_ptr;
snd_pcm_sframes_t delay;
int hw_ptr;
if (snd_pcm_state (pcm) != SND_PCM_STATE_RUNNING)
return 0;
app_ptr = snd_pcm_mmap_offset (pcm);
snd_pcm_delay (pcm, &delay);
hw_ptr = app_ptr - delay;
if (hw_ptr < 0)
hw_ptr += buffer_size;
return hw_ptr;
}
int SNDDMA_GetDMAPos(void)
{
int hw_ptr;
if (!snd_inited) return 0;
hw_ptr = get_hw_ptr();
hw_ptr *= shm->channels;
shm->samplepos = hw_ptr;
return shm->samplepos;
}
void SNDDMA_Shutdown(void)
{
if (snd_inited)
{
snd_pcm_close(pcm);
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 avail;
int missed;
int state;
int hw_ptr;
int offset;
state = snd_pcm_state (pcm);
switch (state) {
case SND_PCM_STATE_PREPARED:
snd_pcm_mmap_forward (pcm, count);
snd_pcm_start (pcm);
break;
case SND_PCM_STATE_RUNNING:
hw_ptr = get_hw_ptr();
missed = hw_ptr - shm->samplepos / shm->channels;
if (missed < 0)
missed += buffer_size;
count -= missed;
offset = snd_pcm_mmap_offset (pcm);
if (offset > hw_ptr)
count -= (offset - hw_ptr);
else
count -= (buffer_size - hw_ptr + offset);
if (count < 0) {
snd_pcm_rewind (pcm, -count);
} else {
avail = snd_pcm_avail_update(pcm);
if (avail < 0)
avail = buffer_size;
if (count > avail)
count = avail;
snd_pcm_mmap_forward (pcm, count);
}
break;
default:
break;
}
}

View file

@ -107,8 +107,8 @@ EXTRA_libqfsys_cl_a_SOURCES= cl_sys_sdl.c cl_sys_unix.c cl_sys_win.c sys_win.c s
if SNDTYPE_ALSA_0_5
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_5.c
endif
if SNDTYPE_ALSA_0_6
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_6.c
if SNDTYPE_ALSA_0_9
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_9.c
endif
if SNDTYPE_MME
libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_mme.c
@ -132,7 +132,7 @@ if SNDTYPE_NULL
libqfsnd_a_SOURCES= snd_null.c
endif
EXTRA_libqfsnd_a_SOURCES= snd_dma.c snd_mem.c snd_mix.c snd_alsa_0_5.c \
snd_alsa_0_6.c snd_oss.c snd_sdl.c snd_sgi.c \
snd_alsa_0_9.c snd_oss.c snd_sdl.c snd_sgi.c \
snd_sun.c snd_win.c snd_null.c
#

View file

@ -1,354 +0,0 @@
/*
snd_alsa_0_6.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 <stdio.h>
#include <sys/asoundlib.h>
#include "console.h"
#include "qargs.h"
#include "sound.h"
#include "va.h"
static int snd_inited;
static snd_pcm_t *pcm_handle;
static snd_pcm_hw_info_t hwinfo;
static snd_pcm_hw_params_t hwparams;
static snd_pcm_sw_params_t swparams;
static const snd_pcm_channel_area_t *mmap_running_areas;
static int card = -1, dev = -1;
int
check_card (int card)
{
snd_ctl_t *handle;
int rc;
if ((rc = snd_ctl_open (&handle, va ("hw:%d", card))) < 0) {
Con_Printf ("Error: control open (%i): %s\n", card, snd_strerror (rc));
return rc;
}
if (dev == -1) {
while (1) {
if ((rc = snd_ctl_pcm_next_device (handle, &dev)) < 0) {
Con_Printf ("Error: next device: %s\n", snd_strerror (rc));
return rc;
}
if (dev < 0)
break;
if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev),
SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK)) == 0) {
goto exit;
}
}
} else {
if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev),
SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK)) == 0) {
goto exit;
}
Con_Printf ("Error: snd_pcm_open %d: %s\n", dev, snd_strerror (rc));
goto exit;
}
rc = 1;
exit:
snd_ctl_close(handle);
return rc;
}
qboolean
SNDDMA_Init (void)
{
int rc = 0, i;
char *err_msg = "";
int rate = -1, format = -1, stereo = -1, frag_size;
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_FMTBIT_S16_LE;
} else if (i == 8) {
format = SND_PCM_FMTBIT_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) {
if (snd_card_next(&card) < 0 || card < 0) {
Con_Printf ("No sound cards detected\n");
return 0;
}
while (card >= 0) {
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, va ("hw:%d,%d", card, dev),
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 (&hwinfo, 0, sizeof (hwinfo));
snd_pcm_hw_info_any (&hwinfo);
hwinfo.access_mask = SND_PCM_ACCBIT_MMAP_INTERLEAVED;
err_msg = "snd_pcm_hw_info";
if ((rc = snd_pcm_hw_info (pcm_handle, &hwinfo)) < 0)
goto error;
Con_Printf ("%08x %08x\n", hwinfo.access_mask, hwinfo.format_mask);
rate = 44100;
frag_size = 4;
#if 0 // XXX
if ((rate == -1 || rate == 44100) && hwinfo.rates & SND_PCM_RATE_44100) {
rate = 44100;
frag_size = 256; /* assuming stereo 8 bit */
} else if ((rate == -1 || rate == 22050)
&& hwinfo.rates & SND_PCM_RATE_22050) {
rate = 22050;
frag_size = 128; /* assuming stereo 8 bit */
} else if ((rate == -1 || rate == 11025)
&& hwinfo.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;
}
#endif
if ((format == -1 || format == SND_PCM_FMTBIT_S16_LE)
&& hwinfo.format_mask & SND_PCM_FORMAT_S16_LE) {
format = SND_PCM_FORMAT_S16_LE;
} else if ((format == -1 || format == SND_PCM_FORMAT_U8)
&& hwinfo.format_mask & SND_PCM_FORMAT_U8) {
format = SND_PCM_FORMAT_U8;
} else {
Con_Printf ("ALSA: desired formats not supported\n");
goto error_2;
}
// XXX can't support non-interleaved stereo
if (stereo && (hwinfo.access_mask & SND_PCM_ACCBIT_MMAP_INTERLEAVED)
&& hwinfo.channels_max >= 2) {
stereo = 1;
} else {
stereo = 0;
}
memset (&hwparams, 0, sizeof (hwparams));
// XXX can't support non-interleaved stereo
hwparams.access = stereo ? SND_PCM_ACCESS_MMAP_INTERLEAVED
: SND_PCM_ACCESS_MMAP_NONINTERLEAVED;
hwparams.format = format;
hwparams.rate = rate;
hwparams.channels = stereo + 1;
hwparams.fragment_size = 32;
hwparams.fragments = 512;
err_msg = "snd_pcm_hw_params";
if ((rc = snd_pcm_hw_params (pcm_handle, &hwparams)) < 0) {
Con_Printf("failed: %08x\n", hwparams.fail_mask);
goto error;
}
memset (&swparams, 0, sizeof (swparams));
swparams.start_mode = SND_PCM_START_EXPLICIT;
swparams.xrun_mode = SND_PCM_XRUN_FRAGMENT;
swparams.xfer_min = 1;
swparams.xfer_align = 1;
err_msg = "snd_pcm_sw_params";
if ((rc = snd_pcm_sw_params (pcm_handle, &swparams)) < 0) {
Con_Printf("failed: %08x\n", swparams.fail_mask);
goto error;
}
err_msg = "audio prepare";
if ((rc = snd_pcm_prepare (pcm_handle)) < 0)
goto error;
mmap_running_areas = snd_pcm_mmap_areas (pcm_handle);
shm = &sn;
memset ((dma_t *) shm, 0, sizeof (*shm));
shm->splitbuffer = 0;
shm->channels = hwparams.channels;
shm->submission_chunk = frag_size; // don't mix less than this #
shm->samplepos = 0; // in mono samples
shm->samplebits = hwparams.format == SND_PCM_FORMAT_S16_LE ? 16 : 8;
shm->samples = hwparams.fragment_size * hwparams.fragments
* shm->channels; // mono samples in buffer
shm->speed = hwparams.rate;
shm->buffer = (unsigned char *) mmap_running_areas->addr;
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;
}
static inline int
get_hw_ptr ()
{
size_t app_ptr;
ssize_t delay;
int hw_ptr;
if (snd_pcm_state (pcm_handle) != SND_PCM_STATE_RUNNING)
return 0;
app_ptr = snd_pcm_mmap_offset (pcm_handle);
snd_pcm_delay (pcm_handle, &delay);
hw_ptr = app_ptr - delay;
return hw_ptr;
}
int
SNDDMA_GetDMAPos (void)
{
int hw_ptr;
if (!snd_inited)
return 0;
hw_ptr = get_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 avail;
int missed;
int state;
int hw_ptr;
int offset;
state = snd_pcm_state (pcm_handle);
switch (state) {
case SND_PCM_STATE_XRUN:
//snd_pcm_reset (pcm_handle);
snd_pcm_prepare (pcm_handle);
//break;
case SND_PCM_STATE_PREPARED:
snd_pcm_mmap_forward (pcm_handle, count);
snd_pcm_start (pcm_handle);
//break;
case SND_PCM_STATE_RUNNING:
hw_ptr = get_hw_ptr ();
missed = hw_ptr - shm->samplepos / shm->channels;
count -= missed;
offset = snd_pcm_mmap_offset (pcm_handle);
if (offset > hw_ptr)
count -= (offset - hw_ptr);
else
count -= (hwparams.fragments - hw_ptr + offset);
if (count < 0) {
snd_pcm_rewind (pcm_handle, -count);
} else if (count > 0) {
avail = snd_pcm_avail_update (pcm_handle);
if (avail > 0 && count > avail) {
snd_pcm_mmap_forward (pcm_handle, avail);
count -= avail;
}
snd_pcm_mmap_forward (pcm_handle, count);
}
break;
default:
printf("snd_alsa: nexpected state: %d\n", state);
break;
}
}

308
qw/source/snd_alsa_0_9.c Normal file
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@ -0,0 +1,308 @@
/*
snd_alsa_0_6.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 <stdio.h>
#include <sys/asoundlib.h>
#include "qtypes.h"
#include "sound.h"
#include "qargs.h"
#include "console.h"
static int snd_inited;
static snd_pcm_t *pcm;
static const snd_pcm_channel_area_t *mmap_areas;
static char *pcmname = NULL;
size_t buffer_size;
qboolean SNDDMA_Init(void)
{
int err,i;
int rate=-1,bps=-1,stereo=-1,frag_size;
snd_pcm_hw_params_t *hw;
snd_pcm_sw_params_t *sw;
snd_pcm_hw_params_alloca(&hw);
snd_pcm_sw_params_alloca(&sw);
if ((i=COM_CheckParm("-sndpcm"))!=0) {
pcmname=com_argv[i+1];
}
if ((i=COM_CheckParm("-sndbits")) != 0) {
bps = atoi(com_argv[i+1]);
if (bps != 16 && bps != 8) {
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 ((i=COM_CheckParm("-sndstereo")) != 0) {
stereo=1;
}
if (!pcmname)
pcmname = "plug:0,0";
if ((err=snd_pcm_open(&pcm, pcmname,
SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK))<0) {
Con_Printf("Error: audio open error: %s\n", snd_strerror(err));
return 0;
}
Con_Printf("Using PCM %s.\n", pcmname);
snd_pcm_hw_params_any(pcm, hw);
switch (rate) {
case -1:
if (snd_pcm_hw_params_set_rate(pcm, hw, 44100, 0) >= 0) {
frag_size = 256; /* assuming stereo 8 bit */
rate = 44100;
} else if (snd_pcm_hw_params_set_rate(pcm, hw, 22050, 0) >= 0) {
frag_size = 128; /* assuming stereo 8 bit */
rate = 22050;
} else if (snd_pcm_hw_params_set_rate(pcm, hw, 11025, 0) >= 0) {
frag_size = 64; /* assuming stereo 8 bit */
rate = 11025;
} else {
Con_Printf("ALSA: no useable rates\n");
goto error;
}
break;
case 11025:
case 22050:
case 44100:
if (snd_pcm_hw_params_set_rate(pcm, hw, rate, 0) >= 0) {
frag_size = 64 * rate / 11025; /* assuming stereo 8 bit */
break;
}
/* Fall through */
default:
Con_Printf("ALSA: desired rate not supported\n");
goto error;
}
switch (bps) {
case -1:
if (snd_pcm_hw_params_set_format(pcm, hw, SND_PCM_FORMAT_S16_LE) >= 0) {
bps = 16;
} else if (snd_pcm_hw_params_set_format(pcm, hw, SND_PCM_FORMAT_U8) >= 0) {
bps = 8;
} else {
Con_Printf("ALSA: no useable formats\n");
goto error;
}
break;
case 8:
case 16:
if (snd_pcm_hw_params_set_format(pcm, hw,
bps == 8 ? SND_PCM_FORMAT_U8 :
SND_PCM_FORMAT_S16) >= 0) {
break;
}
/* Fall through */
default:
Con_Printf("ALSA: desired format not supported\n");
goto error;
}
if (snd_pcm_hw_params_set_access(pcm, hw,
SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
Con_Printf("ALSA: interleaved is not supported\n");
goto error;
}
switch (stereo) {
case -1:
if (snd_pcm_hw_params_set_channels(pcm, hw, 2) >= 0) {
stereo = 1;
} else if (snd_pcm_hw_params_set_channels(pcm, hw, 1) >= 0) {
stereo = 0;
} else {
Con_Printf("ALSA: no useable channels\n");
goto error;
}
break;
case 0:
case 1:
if (snd_pcm_hw_params_set_channels(pcm, hw, stereo ? 2 : 1) >= 0)
break;
/* Fall through */
default:
Con_Printf("ALSA: desired channels not supported\n");
goto error;
}
snd_pcm_hw_params_set_period_size_near(pcm, hw, frag_size, 0);
err = snd_pcm_hw_params(pcm, hw);
if (err < 0) {
Con_Printf("ALSA: unable to install hw params\n");
goto error;
}
snd_pcm_sw_params_current(pcm, sw);
snd_pcm_sw_params_set_start_mode(pcm, sw, SND_PCM_START_EXPLICIT);
snd_pcm_sw_params_set_xrun_mode(pcm, sw, SND_PCM_XRUN_NONE);
err = snd_pcm_sw_params(pcm, sw);
if (err < 0) {
Con_Printf("ALSA: unable to install sw params\n");
goto error;
}
mmap_areas = snd_pcm_mmap_running_areas(pcm);
shm=&sn;
memset((dma_t*)shm,0,sizeof(*shm));
shm->splitbuffer = 0;
shm->channels=stereo+1;
shm->submission_chunk=snd_pcm_hw_params_get_period_size(hw, 0); // don't mix less than this #
shm->samplepos=0; // in mono samples
shm->samplebits=bps;
buffer_size = snd_pcm_hw_params_get_buffer_size(hw);
shm->samples=buffer_size*shm->channels; // mono samples in buffer
shm->speed=rate;
shm->buffer=(unsigned char*)mmap_areas->addr;
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:
snd_pcm_close(pcm);
return 0;
}
static inline int
get_hw_ptr()
{
size_t app_ptr;
snd_pcm_sframes_t delay;
int hw_ptr;
if (snd_pcm_state (pcm) != SND_PCM_STATE_RUNNING)
return 0;
app_ptr = snd_pcm_mmap_offset (pcm);
snd_pcm_delay (pcm, &delay);
hw_ptr = app_ptr - delay;
if (hw_ptr < 0)
hw_ptr += buffer_size;
return hw_ptr;
}
int SNDDMA_GetDMAPos(void)
{
int hw_ptr;
if (!snd_inited) return 0;
hw_ptr = get_hw_ptr();
hw_ptr *= shm->channels;
shm->samplepos = hw_ptr;
return shm->samplepos;
}
void SNDDMA_Shutdown(void)
{
if (snd_inited)
{
snd_pcm_close(pcm);
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 avail;
int missed;
int state;
int hw_ptr;
int offset;
state = snd_pcm_state (pcm);
switch (state) {
case SND_PCM_STATE_PREPARED:
snd_pcm_mmap_forward (pcm, count);
snd_pcm_start (pcm);
break;
case SND_PCM_STATE_RUNNING:
hw_ptr = get_hw_ptr();
missed = hw_ptr - shm->samplepos / shm->channels;
if (missed < 0)
missed += buffer_size;
count -= missed;
offset = snd_pcm_mmap_offset (pcm);
if (offset > hw_ptr)
count -= (offset - hw_ptr);
else
count -= (buffer_size - hw_ptr + offset);
if (count < 0) {
snd_pcm_rewind (pcm, -count);
} else {
avail = snd_pcm_avail_update(pcm);
if (avail < 0)
avail = buffer_size;
if (count > avail)
count = avail;
snd_pcm_mmap_forward (pcm, count);
}
break;
default:
break;
}
}