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Diffstat (limited to 'gst-mixer/src/main.c')
| -rw-r--r-- | gst-mixer/src/main.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/gst-mixer/src/main.c b/gst-mixer/src/main.c new file mode 100644 index 0000000..f039af8 --- /dev/null +++ b/gst-mixer/src/main.c @@ -0,0 +1,177 @@ +/* MATE Volume Control + * Copyright (C) 2003-2004 Ronald Bultje <[email protected]> + * + * main.c: intialization, window setup + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <getopt.h> +#include <glib.h> +#include <glib/gi18n.h> +#include <gtk/gtk.h> +#include <gst/gst.h> +#include <gst/audio/mixerutils.h> + +#include "keys.h" +#include "window.h" + +static gchar* page = NULL; +static GOptionEntry entries[] = +{ + { "page", 'p', 0, G_OPTION_ARG_STRING, &page, N_("Startup page"), "playback|recording|switches|options" } +}; + +/* + * Probe for mixer elements. Set up GList * with elements, + * where each element has a GObject data node set of the + * name "mate-volume-control-name" with the value being + * the human-readable name of the element. + * + * All elements in the returned GList * are in state + * GST_STATE_NULL. + */ + +static gboolean +mixer_filter_func (GstMixer * mixer, gpointer user_data) +{ + GstElementFactory *factory; + const gchar *long_name; + gchar *devname = NULL; + gchar *name; + gint *p_count = (gint *) user_data; + + /* fetch name */ + if (g_object_class_find_property (G_OBJECT_GET_CLASS (G_OBJECT (mixer)), + "device-name")) { + g_object_get (mixer, "device-name", &devname, NULL); + GST_DEBUG ("device name: %s", GST_STR_NULL (devname)); + } else { + devname = NULL; + GST_DEBUG ("device name unknown, no 'device-name' property"); + } + + factory = gst_element_get_factory (GST_ELEMENT (mixer)); + long_name = gst_element_factory_get_longname (factory); + + if (devname) { + name = g_strdup_printf ("%s (%s)", devname, long_name); + g_free (devname); + } else { + gchar *title; + + *p_count += 1; + + title = g_strdup_printf (_("Unknown Volume Control %d"), *p_count); + name = g_strdup_printf ("%s (%s)", title, long_name); + g_free (title); + } + + g_object_set_data_full (G_OBJECT (mixer), + "mate-volume-control-name", + name, + (GDestroyNotify) g_free); + + GST_DEBUG ("Adding '%s' to list of available mixers", name); + + gst_element_set_state (GST_ELEMENT (mixer), GST_STATE_NULL); + + return TRUE; /* add mixer to list */ +} + +static GList * +create_mixer_collection (void) +{ + GList *mixer_list; + gint counter = 0; + + mixer_list = gst_audio_default_registry_mixer_filter (mixer_filter_func, + FALSE, + &counter); + + return mixer_list; +} + +static void +cb_destroy (GtkWidget *widget, + gpointer data) +{ + gtk_main_quit (); +} + +static void +cb_check_resize (GtkContainer *container, + gpointer user_data) +{ + MateConfClient *client; + gint width, height; + + client = mateconf_client_get_default(); + gtk_window_get_size (GTK_WINDOW (container), &width, &height); + mateconf_client_set_int (client, PREF_UI_WINDOW_WIDTH, width, NULL); + mateconf_client_set_int (client, PREF_UI_WINDOW_HEIGHT, height, NULL); +} + +gint +main (gint argc, + gchar *argv[]) +{ + GOptionContext *ctx; + GtkWidget *win; + GList *elements; + + /* i18n */ + bindtextdomain (GETTEXT_PACKAGE, MATELOCALEDIR); + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); + textdomain (GETTEXT_PACKAGE); + + g_thread_init (NULL); + ctx = g_option_context_new ("mate-volume-control"); + g_option_context_add_main_entries(ctx, entries, GETTEXT_PACKAGE); + g_option_context_add_group (ctx, gst_init_get_option_group ()); + g_option_context_parse(ctx, &argc, &argv, NULL); + g_option_context_free(ctx); + + gtk_init (&argc, &argv); + + gtk_window_set_default_icon_name ("multimedia-volume-control"); + + if (!(elements = create_mixer_collection ())) { + win = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, + GTK_BUTTONS_CLOSE, + _("No volume control GStreamer plugins and/or devices found.")); + gtk_widget_show (win); + gtk_dialog_run (GTK_DIALOG (win)); + gtk_widget_destroy (win); + return -1; + } + + /* window contains everything automagically */ + win = mate_volume_control_window_new (elements); + if (page != NULL) + mate_volume_control_window_set_page(win, page); + g_signal_connect (win, "destroy", G_CALLBACK (cb_destroy), NULL); + g_signal_connect (win, "check_resize", G_CALLBACK (cb_check_resize), NULL); + + gtk_widget_show (win); + gtk_main (); + + return 0; +} |