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#ifdef __gnu_linux__
#include "ext13.h"
#include "m_pd.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/soundcard.h>
#include <errno.h>
#include <string.h>
#ifndef SOUND_MIXER_READ
# define SOUND_MIXER_READ(x) MIXER_READ(x)
#endif
#ifndef SOUND_MIXER_WRITE
# define SOUND_MIXER_WRITE(x) MIXER_WRITE(x)
#endif
/* -------------------------- ossmixer ------------------------------ */
static t_class *ossmixer_class;
typedef struct _ossmixer
{
t_object x_obj;
int channel;
t_symbol* channel_name;
t_symbol* device;
t_outlet *x_out1;
} t_ossmixer;
static void *ossmixer_new(t_floatarg f)
{
char devicename[FILENAME_MAX];
int fd = -1;
t_ossmixer *x = (t_ossmixer *)pd_new(ossmixer_class);
outlet_new(&x->x_obj, &s_bang);
x->x_out1 = outlet_new(&x->x_obj, &s_symbol);
sprintf(devicename,"/dev/mixer%d",(int)f);
// x->device = gensym(devicename);
x->device = gensym ("/dev/mixer");
fd = open(x->device->s_name, O_WRONLY);
if (fd < 0){
post ("ossmixer: could not open %s",x->device->s_name);
x->device = gensym("/dev/mixer");
close (fd);
}else{
post ("ossmixer: device set to %s",x->device->s_name);
}
close(fd);
return (x);
}
static void ossmixer_set_device(t_ossmixer *x, t_floatarg f)
{
char devicename[FILENAME_MAX];
int fd = -1;
sprintf(devicename,"/dev/mixer%d",(int)f);
x->device = gensym(devicename);
fd = open(x->device->s_name, O_WRONLY);
if (fd < 0){
post ("ossmixer: could not open %s",x->device->s_name);
x->device = gensym("/dev/mixer");
close (fd);
}else{
post ("ossmixer: device set to %s",devicename);
}
}
static void ossmixer_bang(t_ossmixer *x)
{
post ("ossmixer: what should a mixer do with a bang?");
}
static void ossmixer_get(t_ossmixer *x, t_symbol* s)
{
int vol = -1;
x->channel = -1;
if (!strncmp(s->s_name,"main",4))
x->channel = (int) SOUND_MIXER_VOLUME;
if (!strncmp(s->s_name,"treble",6))
x->channel = (int) SOUND_MIXER_TREBLE;
if (!strncmp(s->s_name,"bass",4))
x->channel = (int) SOUND_MIXER_BASS;
if (!strncmp(s->s_name,"synth",5))
x->channel = (int) SOUND_MIXER_SYNTH;
if (!strncmp(s->s_name,"pcm",3))
x->channel = (int) SOUND_MIXER_PCM;
if (!strncmp(s->s_name,"speaker",7))
x->channel = (int) SOUND_MIXER_SPEAKER;
if (!strncmp(s->s_name,"line",4))
x->channel = (int) SOUND_MIXER_LINE;
if (!strncmp(s->s_name,"line1",5))
x->channel = (int) SOUND_MIXER_LINE1;
if (!strncmp(s->s_name,"line2",5))
x->channel = (int) SOUND_MIXER_LINE2;
if (!strncmp(s->s_name,"line3",5))
x->channel = (int) SOUND_MIXER_LINE3;
if (!strncmp(s->s_name,"mic",3))
x->channel = (int) SOUND_MIXER_MIC;
if (!strncmp(s->s_name,"cd",2))
x->channel = (int) SOUND_MIXER_CD;
if (!strncmp(s->s_name,"imix",4))
x->channel = (int) SOUND_MIXER_IMIX;
if (!strncmp(s->s_name,"altpcm",6))
x->channel = (int) SOUND_MIXER_ALTPCM;
if (!strncmp(s->s_name,"reclev",6))
x->channel = (int) SOUND_MIXER_RECLEV;
if (!strncmp(s->s_name,"reclevel",8))
x->channel = (int) SOUND_MIXER_RECLEV;
if (!strncmp(s->s_name,"igain",5))
x->channel = (int) SOUND_MIXER_IGAIN;
if (!strncmp(s->s_name,"ogain",5))
x->channel = (int) SOUND_MIXER_OGAIN;
/*
braucht das wer?
#define SOUND_MIXER_DIGITAL1 17
#define SOUND_MIXER_DIGITAL2 18
#define SOUND_MIXER_DIGITAL3 19
#define SOUND_MIXER_PHONEIN 20
#define SOUND_MIXER_PHONEOUT 21
#define SOUND_MIXER_VIDEO 22
#define SOUND_MIXER_RADIO 23
#define SOUND_MIXER_MONITOR 24
*/
if (x->channel > -1){
int fd = -1;
/* fd = open("/dev/mixer0", O_RDONLY);*/
fd = open(x->device->s_name, O_RDONLY);
if (fd > 0){
int vol = 50;
if (ioctl(fd, SOUND_MIXER_READ( x->channel ), &vol)==-1){
post("ossmixer: undefined mixer channel");
}else{
x->channel_name = s;
vol = vol & 255;
outlet_symbol (x->x_out1,s);
outlet_float(x->x_obj.ob_outlet,(t_float)vol);
}
close(fd);
}else{
post ("ossmixer: could not open device %s",x->device->s_name);
}
}
}
static void ossmixer_set(t_ossmixer *x, t_symbol* s, t_float f)
{
int vol = (int) f;
if (vol < 0 ){
post ("ossmixer: minimum volume: 0");
vol = 0;
}
if (vol > 100 ){
post ("ossmixer: maximum volume: 100");
vol = 100;
}
x->channel = -1;
if (!strncmp(s->s_name,"main",4))
x->channel = (int) SOUND_MIXER_VOLUME;
if (!strncmp(s->s_name,"treble",6))
x->channel = (int) SOUND_MIXER_TREBLE;
if (!strncmp(s->s_name,"bass",4))
x->channel = (int) SOUND_MIXER_BASS;
if (!strncmp(s->s_name,"synth",5))
x->channel = (int) SOUND_MIXER_SYNTH;
if (!strncmp(s->s_name,"pcm",3))
x->channel = (int) SOUND_MIXER_PCM;
if (!strncmp(s->s_name,"speaker",7))
x->channel = (int) SOUND_MIXER_SPEAKER;
if (!strncmp(s->s_name,"line",4))
x->channel = (int) SOUND_MIXER_LINE;
if (!strncmp(s->s_name,"line1",5))
x->channel = (int) SOUND_MIXER_LINE1;
if (!strncmp(s->s_name,"line2",5))
x->channel = (int) SOUND_MIXER_LINE2;
if (!strncmp(s->s_name,"line3",5))
x->channel = (int) SOUND_MIXER_LINE3;
if (!strncmp(s->s_name,"mic",3))
x->channel = (int) SOUND_MIXER_MIC;
if (!strncmp(s->s_name,"cd",2))
x->channel = (int) SOUND_MIXER_CD;
if (!strncmp(s->s_name,"imix",4))
x->channel = (int) SOUND_MIXER_IMIX;
if (!strncmp(s->s_name,"altpcm",6))
x->channel = (int) SOUND_MIXER_ALTPCM;
if (!strncmp(s->s_name,"reclev",6))
x->channel = (int) SOUND_MIXER_RECLEV;
if (!strncmp(s->s_name,"reclevel",8))
x->channel = (int) SOUND_MIXER_RECLEV;
if (!strncmp(s->s_name,"igain",5))
x->channel = (int) SOUND_MIXER_IGAIN;
if (!strncmp(s->s_name,"ogain",5))
x->channel = (int) SOUND_MIXER_OGAIN;
if (x->channel > -1){
int fd = -1;
fd = open(x->device->s_name, O_WRONLY);
if (fd > 0){
vol = vol | (vol << 8);
if (ioctl(fd, SOUND_MIXER_WRITE( x->channel ), &vol)==-1){
post("ossmixer: undefined mixer channel");
}else{
x->channel_name = s;
vol &= 255;
outlet_symbol (x->x_out1,s);
outlet_float(x->x_obj.ob_outlet,(t_float)vol);
}
close (fd);
}else{
post ("ossmixer: could not open device %s",x->device->s_name);
}
}
}
static void ossmixer_get_source(t_ossmixer *x)
{
int fd = -1;
int channel = -1;
fd = open(x->device->s_name, O_WRONLY);
if (fd > 0){
if ( ioctl(fd, SOUND_MIXER_READ_RECSRC, &channel) ){
post ("ossmixer: could not get recording source");
}else{
t_symbol* s_ch = gensym("no_source_found");
if (channel & SOUND_MASK_VOLUME) s_ch = gensym("main");
if (channel & SOUND_MASK_PCM) s_ch = gensym("pcm");
if (channel & SOUND_MASK_MIC) s_ch = gensym("mic");
if (channel & SOUND_MASK_CD) s_ch = gensym("cd");
if (channel & SOUND_MASK_SYNTH) s_ch = gensym("synth");
if (channel & SOUND_MASK_LINE) s_ch = gensym("line");
if (channel & SOUND_MASK_LINE1) s_ch = gensym("line1");
if (channel & SOUND_MASK_LINE2) s_ch = gensym("line2");
if (channel & SOUND_MASK_LINE3) s_ch = gensym("line3");
if (channel & SOUND_MASK_ALTPCM) s_ch = gensym("altpcm");
outlet_symbol (x->x_out1,s_ch);
outlet_symbol (x->x_obj.ob_outlet,gensym("source"));
}
close (fd);
}else{
post ("ossmixer: could not open mixer device");
}
}
static void ossmixer_set_source(t_ossmixer *x, t_symbol* s)
{
int channel = -1;
if (!strncmp(s->s_name,"main",4))
channel = (int) SOUND_MASK_VOLUME;
if (!strncmp(s->s_name,"treble",6))
channel = (int) SOUND_MASK_TREBLE;
if (!strncmp(s->s_name,"bass",4))
channel = (int) SOUND_MASK_BASS;
if (!strncmp(s->s_name,"synth",5))
channel = (int) SOUND_MASK_SYNTH;
if (!strncmp(s->s_name,"pcm",3))
channel = (int) SOUND_MASK_PCM;
if (!strncmp(s->s_name,"speaker",7))
channel = (int) SOUND_MASK_SPEAKER;
if (!strncmp(s->s_name,"line",4))
channel = (int) SOUND_MASK_LINE;
if (!strncmp(s->s_name,"line1",5))
channel = (int) SOUND_MASK_LINE1;
if (!strncmp(s->s_name,"line2",5))
channel = (int) SOUND_MASK_LINE2;
if (!strncmp(s->s_name,"line3",5))
channel = (int) SOUND_MASK_LINE3;
if (!strncmp(s->s_name,"mic",3))
channel = (int) SOUND_MASK_MIC;
if (!strncmp(s->s_name,"cd",2))
channel = (int) SOUND_MASK_CD;
if (!strncmp(s->s_name,"imix",4))
channel = (int) SOUND_MASK_IMIX;
if (!strncmp(s->s_name,"altpcm",6))
channel = (int) SOUND_MASK_ALTPCM;
if (!strncmp(s->s_name,"reclev",6))
channel = (int) SOUND_MASK_RECLEV;
if (!strncmp(s->s_name,"reclevel",8))
channel = (int) SOUND_MASK_RECLEV;
if (!strncmp(s->s_name,"igain",5))
channel = (int) SOUND_MASK_IGAIN;
if (!strncmp(s->s_name,"ogain",5))
channel = (int) SOUND_MASK_OGAIN;
if(channel > -1){
int fd = -1;
fd = open(x->device->s_name, O_WRONLY);
if (fd > 0){
if ( ioctl(fd, SOUND_MIXER_WRITE_RECSRC, &channel) ){
post ("ossmixer: could not set recordiing source");
}else{
ossmixer_get_source(x);
}
close (fd);
}else{
post ("ossmixer: could not open mixer device %s",x->device->s_name);
}
}else{
post ("ossmixer: channel unknown");
}
}
static void ossmixer_float(t_ossmixer *x, t_float f)
{
ossmixer_set (x, x->channel_name, f);
}
void ossmixer_setup(void)
{
ossmixer_class = class_new(gensym("ossmixer"), (t_newmethod)ossmixer_new, 0, sizeof(t_ossmixer), 0, A_DEFFLOAT, 0);
class_addbang(ossmixer_class, ossmixer_bang);
class_addfloat(ossmixer_class, ossmixer_float);
class_addmethod(ossmixer_class, (t_method) ossmixer_get, gensym("get"), A_DEFSYM, 0);
class_addmethod(ossmixer_class, (t_method) ossmixer_set, gensym("set"), A_DEFSYM, A_DEFFLOAT, 0);
class_addmethod(ossmixer_class, (t_method) ossmixer_get_source, gensym("get_source"), A_DEFSYM, 0);
class_addmethod(ossmixer_class, (t_method) ossmixer_set_source, gensym("set_source"), A_DEFSYM, 0);
class_addmethod(ossmixer_class, (t_method) ossmixer_set_device, gensym("set_device"), A_DEFFLOAT, 0);
}
#endif
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