Desktop
/* $Id: mixer.c,v 1.74 2012/03/21 16:49:23 khorben Exp $ */
static char _copyright[] =
"Copyright (c) 2009-2012 Pierre Pronchery <khorben@defora.org>";
/* This file is part of DeforaOS Desktop Mixer */
static char _license[] =
"This program is free software: you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation, version 3 of the License.\n"
"\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.";
#if defined(__NetBSD__) || defined(__sun__)
# include <sys/ioctl.h>
# include <sys/audioio.h>
#else
# include <sys/ioctl.h>
# include <sys/soundcard.h>
#endif
#include <fcntl.h>
#include <unistd.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <libintl.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <Desktop.h>
#include "callbacks.h"
#include "mixer.h"
#include "../config.h"
#define _(string) gettext(string)
#define N_(string) (string)
/* compatibility */
#if !GTK_CHECK_VERSION(2, 12, 0)
# define GTK_ICON_LOOKUP_GENERIC_FALLBACK 0
#endif
/* Mixer */
/* private */
/* types */
#ifdef AUDIO_MIXER_DEVINFO
typedef struct _MixerClass
{
int mixer_class;
audio_mixer_name_t label;
GtkWidget * hbox;
int page;
} MixerClass;
#endif
typedef struct _MixerLevel
{
uint8_t channels[8];
size_t channels_cnt;
} MixerLevel;
typedef struct _MixerControl
{
int index;
int type;
union {
int ord;
int mask;
MixerLevel level;
} un;
} MixerControl;
typedef struct _MixerProperties
{
char name[32];
char version[16];
char device[16];
} MixerProperties;
struct _Mixer
{
/* widgets */
GtkWidget * window;
GtkWidget * notebook;
GtkWidget * properties;
GtkWidget * about;
/* internals */
char * device;
#ifdef AUDIO_MIXER_DEVINFO
int fd;
MixerClass * mc;
size_t mc_cnt;
#else
int fd;
#endif
};
/* constants */
#define MIXER_DEFAULT_DEVICE "/dev/mixer"
/* variables */
static char const * _authors[] =
{
"Pierre Pronchery <khorben@defora.org>",
NULL
};
#ifdef EMBEDDED
static const DesktopAccel _mixer_accel[] =
{
{ G_CALLBACK(on_file_properties), GDK_MOD1_MASK, GDK_KEY_Return },
{ G_CALLBACK(on_file_close), GDK_CONTROL_MASK, GDK_KEY_W },
{ G_CALLBACK(on_view_all), GDK_CONTROL_MASK, GDK_KEY_A },
# ifdef AUDIO_MIXER_DEVINFO
{ G_CALLBACK(on_view_outputs), GDK_CONTROL_MASK, GDK_KEY_O },
{ G_CALLBACK(on_view_inputs), GDK_CONTROL_MASK, GDK_KEY_I },
{ G_CALLBACK(on_view_record), GDK_CONTROL_MASK, GDK_KEY_R },
{ G_CALLBACK(on_view_monitor), GDK_CONTROL_MASK, GDK_KEY_N },
{ G_CALLBACK(on_view_equalization), GDK_CONTROL_MASK, GDK_KEY_E },
{ G_CALLBACK(on_view_mix), GDK_CONTROL_MASK, GDK_KEY_X },
{ G_CALLBACK(on_view_modem), GDK_CONTROL_MASK, GDK_KEY_M },
# endif
{ NULL, 0, 0 }
};
#endif
#ifndef EMBEDDED
static const DesktopMenu _mixer_menu_file[] =
{
{ N_("_Properties"), G_CALLBACK(on_file_properties),
GTK_STOCK_PROPERTIES, GDK_MOD1_MASK, GDK_KEY_Return },
{ N_("_Close"), G_CALLBACK(on_file_close), GTK_STOCK_CLOSE,
GDK_CONTROL_MASK, GDK_KEY_W },
{ NULL, NULL, NULL, 0, 0 }
};
static const DesktopMenu _mixer_menu_view[] =
{
{ N_("_All"), G_CALLBACK(on_view_all), NULL, GDK_CONTROL_MASK,
GDK_KEY_A },
# ifdef AUDIO_MIXER_DEVINFO
{ N_("_Outputs"), G_CALLBACK(on_view_outputs), NULL, GDK_CONTROL_MASK,
GDK_KEY_O },
{ N_("_Inputs"), G_CALLBACK(on_view_inputs), NULL, GDK_CONTROL_MASK,
GDK_KEY_I },
{ N_("_Record"), G_CALLBACK(on_view_record), NULL, GDK_CONTROL_MASK,
GDK_KEY_R },
{ N_("Mo_nitor"), G_CALLBACK(on_view_monitor), NULL, GDK_CONTROL_MASK,
GDK_KEY_N },
{ N_("_Equalization"), G_CALLBACK(on_view_equalization), NULL,
GDK_CONTROL_MASK, GDK_KEY_E },
{ N_("Mi_x"), G_CALLBACK(on_view_mix), NULL, GDK_CONTROL_MASK,
GDK_KEY_X },
{ N_("_Modem"), G_CALLBACK(on_view_modem), NULL, GDK_CONTROL_MASK,
GDK_KEY_M },
# endif
{ NULL, NULL, NULL, 0, 0 }
};
static const DesktopMenu _mixer_menu_help[] =
{
{ N_("_About"), G_CALLBACK(on_help_about), GTK_STOCK_ABOUT, 0, 0 },
{ NULL, NULL, NULL, 0, 0 }
};
static const DesktopMenubar _mixer_menubar[] =
{
{ N_("_File"), _mixer_menu_file },
{ N_("_View"), _mixer_menu_view },
{ N_("_Help"), _mixer_menu_help },
{ NULL, NULL },
};
#endif
/* prototypes */
static int _mixer_error(Mixer * mixer, char const * message, int ret);
/* accessors */
static int _mixer_get_control(Mixer * mixer, int index, MixerControl * control);
static int _mixer_get_properties(Mixer * mixer, MixerProperties * properties);
static int _mixer_set_control(Mixer * mixer, int index, MixerControl * control);
/* useful */
static void _mixer_show_view(Mixer * mixer, int view);
/* public */
/* mixer_new */
static GtkWidget * _new_frame_label(GdkPixbuf * pixbuf, char const * name,
char const * label);
#ifdef AUDIO_MIXER_DEVINFO
static GtkWidget * _new_enum(Mixer * mixer, int dev,
struct audio_mixer_enum * e);
static GtkWidget * _new_mute(Mixer * mixer, int dev,
struct audio_mixer_enum * e);
static GtkWidget * _new_set(Mixer * mixer, int dev, struct audio_mixer_set * s);
#endif
static GtkWidget * _new_value(Mixer * mixer, int index, GtkWidget ** bbox);
Mixer * mixer_new(char const * device, MixerLayout layout, gboolean embedded)
{
Mixer * mixer;
GtkAccelGroup * accel;
GtkSizeGroup * hgroup;
GtkSizeGroup * vgroup;
GtkWidget * scrolled = NULL;
GtkWidget * vbox;
GtkWidget * label;
GtkWidget * widget;
GtkWidget * hvbox = NULL;
GtkWidget * hbox;
GtkWidget * bbox;
GtkWidget * control;
int i;
#ifdef AUDIO_MIXER_DEVINFO
mixer_devinfo_t md;
mixer_devinfo_t md2;
MixerClass * p;
size_t u;
GtkWidget * vbox2;
char * name;
int c;
#else
int value;
char const * labels[] = SOUND_DEVICE_LABELS;
char const * names[] = SOUND_DEVICE_NAMES;
#endif
if((mixer = malloc(sizeof(*mixer))) == NULL)
return NULL;
if(device == NULL)
device = MIXER_DEFAULT_DEVICE;
mixer->device = strdup(device);
mixer->fd = open(device, O_RDWR);
mixer->window = NULL;
mixer->properties = NULL;
mixer->about = NULL;
#ifdef AUDIO_MIXER_DEVINFO
mixer->mc = NULL;
mixer->mc_cnt = 0;
#endif
hgroup = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
vgroup = gtk_size_group_new(GTK_SIZE_GROUP_VERTICAL);
if(mixer->device == NULL || mixer->fd < 0)
{
_mixer_error(NULL, device, 0);
mixer_delete(mixer);
return NULL;
}
/* widgets */
accel = gtk_accel_group_new();
if(embedded)
{
mixer->window = gtk_plug_new(0);
g_signal_connect_swapped(mixer->window, "embedded", G_CALLBACK(
on_embedded), mixer);
}
else
{
mixer->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_add_accel_group(GTK_WINDOW(mixer->window), accel);
gtk_window_set_default_size(GTK_WINDOW(mixer->window), 800,
300);
#if GTK_CHECK_VERSION(2, 6, 0)
gtk_window_set_icon_name(GTK_WINDOW(mixer->window),
"stock_volume");
#endif
gtk_window_set_title(GTK_WINDOW(mixer->window), PACKAGE);
g_signal_connect_swapped(mixer->window, "delete-event",
G_CALLBACK(on_closex), mixer);
}
vbox = gtk_vbox_new(FALSE, 0);
#ifndef EMBEDDED
/* menubar */
if(embedded == FALSE)
{
widget = desktop_menubar_create(_mixer_menubar, mixer, accel);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
}
#else
desktop_accel_create(_mixer_accel, mixer, accel);
#endif
/* classes */
mixer->notebook = NULL;
if(layout == ML_TABBED)
mixer->notebook = gtk_notebook_new();
else
{
scrolled = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
GTK_POLICY_AUTOMATIC, (layout == ML_VERTICAL)
? GTK_POLICY_AUTOMATIC : GTK_POLICY_NEVER);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(
scrolled), GTK_SHADOW_NONE);
if(layout == ML_VERTICAL)
hvbox = gtk_vbox_new(TRUE, 4);
else
hvbox = gtk_hbox_new(FALSE, 4);
gtk_container_set_border_width(GTK_CONTAINER(hvbox), 4);
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(
scrolled), hvbox);
}
for(i = 0;; i++)
{
#ifdef AUDIO_MIXER_DEVINFO
md.index = i;
if(ioctl(mixer->fd, AUDIO_MIXER_DEVINFO, &md) < 0)
break;
if(md.type != AUDIO_MIXER_CLASS)
continue;
if((p = realloc(mixer->mc, sizeof(*mixer->mc)
* (mixer->mc_cnt + 1))) == NULL)
{
_mixer_error(NULL, "realloc", 1);
mixer_delete(mixer);
return NULL;
}
mixer->mc = p;
p = &mixer->mc[mixer->mc_cnt++];
p->mixer_class = md.mixer_class;
memcpy(&p->label, &md.label, sizeof(md.label));
p->hbox = NULL;
p->page = -1;
#else
hbox = gtk_hbox_new(FALSE, 4);
if(mixer->notebook != NULL)
{
label = _new_frame_label(NULL, _("All"), NULL);
gtk_widget_show_all(label);
scrolled = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(
scrolled),
GTK_POLICY_AUTOMATIC, GTK_POLICY_NEVER);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(
scrolled), GTK_SHADOW_NONE);
gtk_scrolled_window_add_with_viewport(
GTK_SCROLLED_WINDOW(scrolled), hbox);
gtk_notebook_append_page(GTK_NOTEBOOK(mixer->notebook),
scrolled, label);
}
else
gtk_box_pack_start(GTK_BOX(hvbox), hbox, FALSE, TRUE, 0);
break;
#endif
}
/* controls */
for(i = 0;; i++)
{
#ifdef AUDIO_MIXER_DEVINFO
md.index = i;
if(ioctl(mixer->fd, AUDIO_MIXER_DEVINFO, &md) < 0)
break;
if(md.type == AUDIO_MIXER_CLASS)
continue;
for(u = 0; u < mixer->mc_cnt; u++)
if(mixer->mc[u].mixer_class == md.mixer_class)
break;
if(u == mixer->mc_cnt)
continue;
hbox = mixer->mc[u].hbox;
bbox = NULL;
control = NULL;
switch(md.type)
{
case AUDIO_MIXER_ENUM:
control = _new_enum(mixer, i, &md.un.e);
break;
case AUDIO_MIXER_SET:
control = _new_set(mixer, i, &md.un.s);
break;
case AUDIO_MIXER_VALUE:
bbox = gtk_vbutton_box_new();
gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox),
GTK_BUTTONBOX_START);
gtk_size_group_add_widget(vgroup, bbox);
control = _new_value(mixer, i, &bbox);
break;
}
if(control == NULL)
continue;
vbox2 = gtk_vbox_new(FALSE, 4);
gtk_container_set_border_width(GTK_CONTAINER(vbox2), 4);
gtk_box_pack_start(GTK_BOX(vbox2), control, TRUE, TRUE, 0);
label = _new_frame_label(NULL, md.label.name, NULL);
widget = gtk_frame_new(NULL);
gtk_size_group_add_widget(hgroup, widget);
gtk_frame_set_label_widget(GTK_FRAME(widget), label);
gtk_container_add(GTK_CONTAINER(widget), vbox2);
if(hbox == NULL)
{
mixer->mc[u].hbox = gtk_hbox_new(FALSE, 4);
hbox = mixer->mc[u].hbox;
if(mixer->notebook != NULL)
{
if((name = strdup(mixer->mc[u].label.name))
!= NULL)
name[0] = toupper((c = name[0]));
label = _new_frame_label(NULL,
mixer->mc[u].label.name, name);
free(name);
gtk_widget_show_all(label);
scrolled = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(
GTK_SCROLLED_WINDOW(scrolled),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_NEVER);
gtk_scrolled_window_set_shadow_type(
GTK_SCROLLED_WINDOW(scrolled),
GTK_SHADOW_NONE);
gtk_scrolled_window_add_with_viewport(
GTK_SCROLLED_WINDOW(scrolled),
hbox);
mixer->mc[u].page = gtk_notebook_append_page(
GTK_NOTEBOOK(mixer->notebook),
scrolled, label);
}
else if(hvbox != NULL)
gtk_box_pack_start(GTK_BOX(hvbox), hbox, FALSE,
TRUE, 0);
}
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
/* add a mute button if relevant */
if(bbox == NULL)
continue;
md2.index = md.index + 1;
if(ioctl(mixer->fd, AUDIO_MIXER_DEVINFO, &md2) < 0)
break;
if(md2.type == AUDIO_MIXER_CLASS)
continue;
for(u = 0; u < mixer->mc_cnt; u++)
if(mixer->mc[u].mixer_class == md2.mixer_class)
break;
if(u == mixer->mc_cnt)
continue;
u = strlen(md.label.name);
if(md2.type != AUDIO_MIXER_ENUM || strncmp(md.label.name,
md2.label.name, u) != 0
|| (u = strlen(md2.label.name)) < 6
|| strcmp(&md2.label.name[u - 5], ".mute") != 0)
continue;
if((widget = _new_mute(mixer, i + 1, &md2.un.e)) == NULL)
continue;
gtk_container_add(GTK_CONTAINER(bbox), widget);
i++;
#else
if(i == SOUND_MIXER_NONE)
break;
if(ioctl(mixer->fd, MIXER_READ(i), &value) != 0)
continue;
bbox = gtk_vbutton_box_new();
gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox),
GTK_BUTTONBOX_START);
gtk_size_group_add_widget(vgroup, bbox);
control = _new_value(mixer, i, &bbox);
gtk_container_set_border_width(GTK_CONTAINER(control), 4);
label = _new_frame_label(NULL, names[i], labels[i]);
widget = gtk_frame_new(NULL);
gtk_size_group_add_widget(hgroup, widget);
gtk_frame_set_label_widget(GTK_FRAME(widget), label);
gtk_container_add(GTK_CONTAINER(widget), control);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
#endif
}
if(mixer->notebook != NULL)
gtk_box_pack_start(GTK_BOX(vbox), mixer->notebook, TRUE, TRUE,
0);
else
gtk_box_pack_start(GTK_BOX(vbox), scrolled, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(mixer->window), vbox);
gtk_widget_show_all(vbox);
#ifdef AUDIO_MIXER_DEVINFO
mixer_show_class(mixer, AudioCoutputs);
#endif
if(embedded)
{
printf("%u\n", gtk_plug_get_id(GTK_PLUG(mixer->window)));
fclose(stdout);
}
else
gtk_widget_show(mixer->window);
return mixer;
}
static GtkWidget * _new_frame_label(GdkPixbuf * pixbuf, char const * name,
char const * label)
{
GtkIconTheme * icontheme;
GtkWidget * hbox;
GtkWidget * widget;
struct
{
char const * name;
char const * icon;
} icons[] = {
{ "beep", "audio-volume-high" },
{ "cd", "media-cdrom" },
{ "input", "stock_line-in" },
{ "line", "stock_line-in" },
{ "master", "audio-volume-high" },
{ "mic", "audio-input-microphone"},
{ "monitor", "gtk-media-record" },
{ "output", "audio-volume-high" },
{ "pcm", "audio-volume-high" },
{ "rec", "gtk-media-record" },
{ "source", "stock_line-in" },
{ "vol", "audio-volume-high" }
};
size_t i;
size_t len;
const int size = 16;
icontheme = gtk_icon_theme_get_default();
hbox = gtk_hbox_new(FALSE, 4);
for(i = 0; pixbuf == NULL && i < sizeof(icons) / sizeof(*icons); i++)
if(strncmp(icons[i].name, name, strlen(icons[i].name)) == 0)
pixbuf = gtk_icon_theme_load_icon(icontheme,
icons[i].icon, size,
GTK_ICON_LOOKUP_GENERIC_FALLBACK, NULL);
if(pixbuf == NULL)
{
len = strlen(name);
/* more generic fallbacks */
if(strstr(name, "sel") != NULL)
pixbuf = gtk_icon_theme_load_icon(icontheme,
"stock_line-in", size,
GTK_ICON_LOOKUP_GENERIC_FALLBACK, NULL);
else if(len > 5 && strcmp(&name[len - 5], ".mute") == 0)
pixbuf = gtk_icon_theme_load_icon(icontheme,
"audio-volume-muted", size,
GTK_ICON_LOOKUP_GENERIC_FALLBACK, NULL);
}
if(pixbuf != NULL)
{
widget = gtk_image_new_from_pixbuf(pixbuf);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
}
if(label == NULL)
label = name;
widget = gtk_label_new(label);
gtk_misc_set_alignment(GTK_MISC(widget), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
return hbox;
}
#ifdef AUDIO_MIXER_DEVINFO
static GtkWidget * _new_enum(Mixer * mixer, int dev,
struct audio_mixer_enum * e)
{
MixerControl * mc;
GtkWidget * vbox;
int i;
GtkWidget * widget;
GSList * group = NULL;
int * q;
if(e->num_mem <= 0 || (mc = malloc(sizeof(*mc))) == NULL)
return NULL;
if(_mixer_get_control(mixer, dev, mc) != 0)
{
free(mc);
return NULL;
}
vbox = gtk_vbox_new(TRUE, 0);
for(i = 0; i < e->num_mem; i++)
{
widget = gtk_radio_button_new_with_label(group,
e->member[i].label.name);
group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(widget));
if(mc->un.ord == i)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget),
TRUE);
g_object_set_data(G_OBJECT(widget), "ctrl", mc);
if((q = malloc(sizeof(*q))) != NULL)
{
*q = e->member[i].ord;
g_object_set_data(G_OBJECT(widget), "ord", mc);
}
g_signal_connect(G_OBJECT(widget), "toggled", G_CALLBACK(
on_enum_toggled), mixer);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
}
return vbox;
}
static GtkWidget * _new_mute(Mixer * mixer, int dev,
struct audio_mixer_enum * e)
{
MixerControl * mc;
GtkWidget * hbox;
GtkWidget * widget;
gboolean active;
if(e->num_mem != 2 || (mc = malloc(sizeof(*mc))) == NULL)
return NULL;
if(_mixer_get_control(mixer, dev, mc) != 0)
{
free(mc);
return NULL;
}
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_image_new_from_icon_name("audio-volume-muted",
GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
widget = gtk_label_new(_("Mute"));
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
widget = gtk_toggle_button_new();
gtk_container_add(GTK_CONTAINER(widget), hbox);
active = (strcmp(e->member[mc->un.ord].label.name, "on") == 0)
? TRUE : FALSE;
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), active);
g_object_set_data(G_OBJECT(widget), "ctrl", mc);
g_signal_connect(G_OBJECT(widget), "toggled", G_CALLBACK(
on_mute_toggled), mixer);
return widget;
}
static GtkWidget * _new_set(Mixer * mixer, int dev, struct audio_mixer_set * s)
{
MixerControl * mc;
GtkWidget * vbox;
int i;
GtkWidget * widget;
if(s->num_mem <= 0 || (mc = malloc(sizeof(*mc))) == NULL)
return NULL;
if(_mixer_get_control(mixer, dev, mc) != 0)
{
free(mc);
return NULL;
}
vbox = gtk_vbox_new(TRUE, 0);
for(i = 0; i < s->num_mem; i++)
{
widget = gtk_check_button_new_with_label(
s->member[i].label.name);
if(mc->un.mask & (1 << i))
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget),
TRUE);
g_object_set_data(G_OBJECT(widget), "ctrl", mc);
g_signal_connect(G_OBJECT(widget), "toggled", G_CALLBACK(
on_set_toggled), mixer);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
}
return vbox;
}
#endif
static GtkWidget * _new_value(Mixer * mixer, int index, GtkWidget ** bbox)
{
GtkWidget * align;
GtkWidget * vbox;
GtkWidget * hbox;
GtkWidget * widget;
GtkWidget * bind = NULL;
GSList * list = NULL;
size_t i;
gdouble v;
MixerControl * mc;
if((mc = malloc(sizeof(*mc))) == NULL)
return NULL;
if(_mixer_get_control(mixer, index, mc) != 0
|| mc->un.level.channels_cnt <= 0)
{
free(mc);
return NULL;
}
/* bind button */
if(mc->un.level.channels_cnt >= 2)
{
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_image_new_from_stock(GTK_STOCK_CONNECT,
GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
widget = gtk_label_new(_("Bind"));
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
bind = gtk_toggle_button_new();
gtk_container_add(GTK_CONTAINER(bind), hbox);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(bind), TRUE);
}
/* sliders */
hbox = gtk_hbox_new(FALSE, 0);
for(i = 0; i < mc->un.level.channels_cnt; i++)
{
widget = gtk_vscale_new_with_range(0.0, 100.0, 1.0);
gtk_range_set_inverted(GTK_RANGE(widget), TRUE);
v = (mc->un.level.channels[i] / 255.0) * 100.0;
gtk_range_set_value(GTK_RANGE(widget), v);
if(bind != NULL)
{
g_object_set_data(G_OBJECT(widget), "bind", bind);
list = g_slist_append(list, widget);
}
g_object_set_data(G_OBJECT(widget), "ctrl", mc);
g_object_set_data(G_OBJECT(widget), "channel",
&mc->un.level.channels[i]);
g_signal_connect(G_OBJECT(widget), "value-changed", G_CALLBACK(
on_value_changed), mixer);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
}
if(mc->un.level.channels_cnt < 2)
return hbox;
align = gtk_alignment_new(0.5, 0.5, 0.0, 1.0);
gtk_container_add(GTK_CONTAINER(align), hbox);
vbox = gtk_vbox_new(FALSE, 4);
gtk_box_pack_start(GTK_BOX(vbox), align, TRUE, TRUE, 0);
g_object_set_data(G_OBJECT(bind), "list", list);
gtk_container_add(GTK_CONTAINER(*bbox), bind);
gtk_box_pack_start(GTK_BOX(vbox), *bbox, FALSE, TRUE, 0);
return vbox;
}
/* mixer_delete */
void mixer_delete(Mixer * mixer)
{
if(mixer->fd >= 0)
close(mixer->fd);
if(mixer->device != NULL)
free(mixer->device);
if(mixer->window != NULL)
gtk_widget_destroy(mixer->window);
free(mixer);
}
/* accessors */
/* mixer_set_enum */
int mixer_set_enum(Mixer * mixer, GtkWidget * widget)
{
#ifdef AUDIO_MIXER_DEVINFO
mixer_ctrl_t * p;
int * q;
# ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) fd=%d\n", __func__, (void *)mixer,
mixer->fd);
# endif
p = g_object_get_data(G_OBJECT(widget), "ctrl");
q = g_object_get_data(G_OBJECT(widget), "ord");
if(p == NULL || q == NULL)
return 1;
p->un.ord = *q;
# ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) fd=%d ord=%d\n", __func__, (void *)mixer,
mixer->fd, p->un.ord);
# endif
if(ioctl(mixer->fd, AUDIO_MIXER_WRITE, p) != 0)
return -_mixer_error(mixer, "AUDIO_MIXER_WRITE", 1);
#else
/* FIXME implement */
#endif
return 0;
}
/* mixer_set_mute */
int mixer_set_mute(Mixer * mixer, GtkWidget * widget)
{
#ifdef AUDIO_MIXER_DEVINFO
mixer_ctrl_t * p;
# ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) fd=%d\n", __func__, (void *)mixer,
mixer->fd);
# endif
p = g_object_get_data(G_OBJECT(widget), "ctrl");
p->un.ord = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))
? 1 : 0; /* XXX assumes 0 is "off" */
# ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) fd=%d ord=%d\n", __func__, (void *)mixer,
mixer->fd, p->un.ord);
# endif
if(ioctl(mixer->fd, AUDIO_MIXER_WRITE, p) != 0)
return -_mixer_error(mixer, "AUDIO_MIXER_WRITE", 1);
#else
/* FIXME implement */
#endif
return 0;
}
/* mixer_set_set */
int mixer_set_set(Mixer * mixer, GtkWidget * widget)
{
#ifdef AUDIO_MIXER_DEVINFO
mixer_ctrl_t * p;
int * q;
# ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) fd=%d\n", __func__, (void *)mixer,
mixer->fd);
# endif
p = g_object_get_data(G_OBJECT(widget), "ctrl");
q = g_object_get_data(G_OBJECT(widget), "ord");
if(p == NULL || q == NULL)
return 1;
p->un.ord = *q;
# ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p) fd=%d ord=%d\n", __func__, (void *)mixer,
mixer->fd, p->un.ord);
# endif
if(ioctl(mixer->fd, AUDIO_MIXER_WRITE, p) != 0)
return -_mixer_error(mixer, "AUDIO_MIXER_WRITE", 1);
#else
/* FIXME implement */
#endif
return 0;
}
/* mixer_set_value */
int mixer_set_value(Mixer * mixer, GtkWidget * widget, gdouble value)
{
GtkWidget * b;
MixerControl * mc;
uint8_t * channel;
size_t i;
GSList * q;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%p, %lf) fd=%d\n", __func__, (void *)mixer,
value, mixer->fd);
#endif
b = g_object_get_data(G_OBJECT(widget), "bind");
mc = g_object_get_data(G_OBJECT(widget), "ctrl");
channel = g_object_get_data(G_OBJECT(widget), "channel");
if(mc == NULL || channel == NULL)
return 1;
*channel = (value / 100.0) * 255;
if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(b)))
{
for(i = 0; i < mc->un.level.channels_cnt; i++)
mc->un.level.channels[i] = *channel;
if(b != NULL)
for(q = g_object_get_data(G_OBJECT(b), "list");
q != NULL; q = q->next)
gtk_range_set_value(GTK_RANGE(q->data), value);
}
return _mixer_set_control(mixer, mc->index, mc);
}
/* useful */
/* mixer_about */
static gboolean _about_on_closex(GtkWidget * widget);
void mixer_about(Mixer * mixer)
{
if(mixer->about != NULL)
{
gtk_widget_show(mixer->about);
return;
}
mixer->about = desktop_about_dialog_new();
gtk_window_set_transient_for(GTK_WINDOW(mixer->about), GTK_WINDOW(
mixer->window));
g_signal_connect(G_OBJECT(mixer->about), "delete-event", G_CALLBACK(
_about_on_closex), NULL);
desktop_about_dialog_set_authors(mixer->about, _authors);
desktop_about_dialog_set_copyright(mixer->about, _copyright);
desktop_about_dialog_set_license(mixer->about, _license);
desktop_about_dialog_set_logo_icon_name(mixer->about, "stock_volume");
desktop_about_dialog_set_name(mixer->about, PACKAGE);
desktop_about_dialog_set_translator_credits(mixer->about,
_("translator-credits"));
desktop_about_dialog_set_version(mixer->about, VERSION);
desktop_about_dialog_set_website(mixer->about,
"http://www.defora.org/");
gtk_widget_show(mixer->about);
}
static gboolean _about_on_closex(GtkWidget * widget)
{
gtk_widget_hide(widget);
return TRUE;
}
/* mixer_properties */
static gboolean _properties_on_closex(GtkWidget * widget);
void mixer_properties(Mixer * mixer)
{
GtkSizeGroup * left;
GtkSizeGroup * right;
GtkWidget * vbox;
GtkWidget * hbox;
GtkWidget * widget;
MixerProperties mp;
if(mixer->properties != NULL)
{
gtk_widget_show(mixer->properties);
return;
}
if(_mixer_get_properties(mixer, &mp) != 0)
return;
mixer->properties = gtk_dialog_new_with_buttons(_("Mixer properties"),
GTK_WINDOW(mixer->window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CLOSE, GTK_RESPONSE_ACCEPT, NULL);
g_signal_connect(mixer->properties, "delete-event", G_CALLBACK(
_properties_on_closex), NULL);
g_signal_connect(mixer->properties, "response", G_CALLBACK(
gtk_widget_hide), NULL);
#if GTK_CHECK_VERSION(2, 14, 0)
vbox = gtk_dialog_get_content_area(GTK_DIALOG(mixer->properties));
#else
vbox = GTK_DIALOG(mixer->properties)->vbox;
#endif
left = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
right = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_label_new(_("Name: "));
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
gtk_size_group_add_widget(left, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
widget = gtk_label_new(mp.name);
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
gtk_size_group_add_widget(right, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 2);
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_label_new(_("Version: "));
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
gtk_size_group_add_widget(left, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
widget = gtk_label_new(mp.version);
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
gtk_size_group_add_widget(right, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_label_new(_("Device: "));
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
gtk_size_group_add_widget(left, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
widget = gtk_label_new(mp.device);
gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
gtk_size_group_add_widget(right, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 2);
gtk_widget_show_all(vbox);
gtk_widget_show(mixer->properties);
}
static gboolean _properties_on_closex(GtkWidget * widget)
{
gtk_widget_hide(widget);
return TRUE;
}
/* mixer_show */
void mixer_show(Mixer * mixer)
{
gtk_widget_show(mixer->window);
}
/* mixer_show_all */
void mixer_show_all(Mixer * mixer)
{
_mixer_show_view(mixer, -1);
}
/* mixer_show_class */
void mixer_show_class(Mixer * mixer, char const * name)
{
#ifdef AUDIO_MIXER_DEVINFO
size_t u;
if(mixer->notebook != NULL && name != NULL)
{
for(u = 0; u < mixer->mc_cnt; u++)
{
if(mixer->mc[u].hbox == NULL)
continue;
if(strcmp(mixer->mc[u].label.name, name) != 0)
continue;
gtk_notebook_set_current_page(GTK_NOTEBOOK(
mixer->notebook),
mixer->mc[u].page);
}
return;
}
for(u = 0; u < mixer->mc_cnt; u++)
if(mixer->mc[u].hbox == NULL)
continue;
else if(name == NULL
|| strcmp(mixer->mc[u].label.name, name) == 0)
gtk_widget_show(mixer->mc[u].hbox);
else
gtk_widget_hide(mixer->mc[u].hbox);
#endif
}
/* private */
/* functions */
/* mixer_error */
static int _error_text(char const * message, int ret);
static int _mixer_error(Mixer * mixer, char const * message, int ret)
{
GtkWidget * dialog;
char const * error;
if(mixer == NULL)
return _error_text(message, ret);
error = strerror(errno);
dialog = gtk_message_dialog_new(GTK_WINDOW(mixer->window),
GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE, "%s",
#if GTK_CHECK_VERSION(2, 6, 0)
_("Error"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
"%s: %s", message,
#endif
error);
gtk_window_set_title(GTK_WINDOW(dialog), _("Error"));
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
return ret;
}
static int _error_text(char const * message, int ret)
{
fputs(PACKAGE ": ", stderr);
perror(message);
return ret;
}
/* accessors */
/* mixer_get_control */
static int _mixer_get_control(Mixer * mixer, int index, MixerControl * control)
{
#ifdef AUDIO_MIXER_DEVINFO
mixer_ctrl_t p;
struct mixer_devinfo md;
int i;
# ifdef DEBUG
size_t u;
char * sep = "";
# endif
md.index = index;
if(ioctl(mixer->fd, AUDIO_MIXER_DEVINFO, &md) != 0)
return -_mixer_error(mixer, "AUDIO_MIXER_DEVINFO", 1);
p.dev = index;
/* XXX this is necessary for some drivers and I don't like it */
if((p.type = md.type) == AUDIO_MIXER_VALUE)
p.un.value.num_channels = md.un.v.num_channels;
if(ioctl(mixer->fd, AUDIO_MIXER_READ, &p) != 0)
return -_mixer_error(mixer, "AUDIO_MIXER_READ", 1);
control->index = index;
control->type = p.type;
# ifdef DEBUG
for(u = 0; u < mixer->mc_cnt; u++)
if(mixer->mc[u].mixer_class == md.mixer_class)
printf("%s", mixer->mc[u].label.name);
printf(".%s=", md.label.name);
# endif
switch(p.type)
{
case AUDIO_MIXER_ENUM:
control->un.ord = p.un.ord;
# ifdef DEBUG
for(i = 0; i < md.un.e.num_mem; i++)
{
if(md.un.e.member[i].ord != p.un.ord)
continue;
printf("%s%s", sep,
md.un.e.member[i].label.name);
break;
}
# endif
break;
case AUDIO_MIXER_SET:
control->un.mask = p.un.mask;
# ifdef DEBUG
for(i = 0; i < md.un.s.num_mem; i++)
{
if((p.un.mask & (1 << i)) == 0)
continue;
printf("%s%s", sep,
md.un.s.member[i].label.name);
sep = ",";
}
# endif
break;
case AUDIO_MIXER_VALUE:
control->un.level.channels_cnt
= p.un.value.num_channels;
for(i = 0; i < p.un.value.num_channels; i++)
{
control->un.level.channels[i]
= p.un.value.level[i];
# ifdef DEBUG
printf("%s%u", sep, p.un.value.level[i]);
sep = ",";
# endif
}
break;
}
# ifdef DEBUG
putchar('\n');
# endif
#else
int value;
control->index = index;
if(ioctl(mixer->fd, MIXER_READ(index), &value) != 0)
return -_mixer_error(NULL, "MIXER_READ", 1);
control->type = 0;
control->un.level.channels_cnt = 2;
control->un.level.channels[0] = ((value & 0xff) * 255) / 100;
control->un.level.channels[1] = (((value >> 8) & 0xff) * 255) / 100;
return 0;
#endif
return 0;
}
/* mixer_get_properties */
static int _mixer_get_properties(Mixer * mixer, MixerProperties * properties)
{
#ifdef AUDIO_MIXER_DEVINFO
audio_device_t ad;
if(ioctl(mixer->fd, AUDIO_GETDEV, &ad) != 0)
return -_mixer_error(mixer, "AUDIO_GETDEV", 1);
snprintf(properties->name, sizeof(properties->name), "%s", ad.name);
snprintf(properties->version, sizeof(properties->version), "%s",
ad.version);
snprintf(properties->device, sizeof(properties->device), "%s",
ad.config);
#else
struct mixer_info mi;
int version;
if(ioctl(mixer->fd, SOUND_MIXER_INFO, &mi) != 0)
return -_mixer_error(mixer, "SOUND_MIXER_INFO", 1);
if(ioctl(mixer->fd, OSS_GETVERSION, &version) != 0)
return -_mixer_error(mixer, "OSS_GETVERSION", 1);
snprintf(properties->name, sizeof(properties->name), "%s", mi.name);
snprintf(properties->version, sizeof(properties->version), "%u.%u",
(version >> 16) & 0xffff, version & 0xffff);
snprintf(properties->device, sizeof(properties->device), "%s",
mixer->device);
#endif
return 0;
}
/* mixer_set_control */
static int _mixer_set_control(Mixer * mixer, int index, MixerControl * control)
{
#ifdef AUDIO_MIXER_DEVINFO
mixer_ctrl_t p;
int i;
p.dev = index;
p.type = control->type;
p.un.value.num_channels = control->un.level.channels_cnt;
for(i = 0; i < p.un.value.num_channels; i++)
p.un.value.level[i] = control->un.level.channels[i];
if(ioctl(mixer->fd, AUDIO_MIXER_WRITE, &p) != 0)
return -_mixer_error(mixer, "AUDIO_MIXER_WRITE", 1);
#else
int level = 0;
level |= (control->un.level.channels[0] * 100) / 255;
level |= ((control->un.level.channels[1] * 100) / 255) << 8;
if(ioctl(mixer->fd, MIXER_WRITE(index), &level) != 0)
return -_mixer_error(mixer, "MIXER_WRITE", 1);
#endif
return 0;
}
/* useful */
/* mixer_show_view */
static void _mixer_show_view(Mixer * mixer, int view)
{
#ifdef AUDIO_MIXER_DEVINFO
size_t u;
if(view < 0)
{
for(u = 0; u < mixer->mc_cnt; u++)
if(mixer->mc[u].hbox != NULL)
gtk_widget_show(mixer->mc[u].hbox);
return;
}
u = view;
if(u >= mixer->mc_cnt)
return;
for(u = 0; u < mixer->mc_cnt; u++)
if(mixer->mc[u].hbox == NULL)
continue;
else if(u == (size_t)view)
gtk_widget_show(mixer->mc[u].hbox);
else
gtk_widget_hide(mixer->mc[u].hbox);
#endif
}