diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/monitor.c | 137 |
1 files changed, 113 insertions, 24 deletions
diff --git a/examples/monitor.c b/examples/monitor.c index 3759073..a196b6a 100644 --- a/examples/monitor.c +++ b/examples/monitor.c @@ -17,12 +17,34 @@ #include <glib.h> #include <glib-object.h> -#include <glib-unix.h> +#include <string.h> #include <locale.h> +#ifdef G_OS_UNIX +#include <glib-unix.h> +#endif + #include <libmatemixer/matemixer.h> static MateMixerControl *control; +static GMainLoop *mainloop; + +static gchar * +create_app_string (const gchar *app_name, + const gchar *app_id, + const gchar *app_version) +{ + GString *string; + + string = g_string_new (app_name); + + if (app_version) + g_string_append_printf (string, " %s", app_version); + if (app_id) + g_string_append_printf (string, " (%s)", app_id); + + return g_string_free (string, FALSE); +} static gchar * create_volume_bar (MateMixerStream *stream, double *percent) @@ -118,31 +140,33 @@ print_devices (void) static void print_streams (void) { - const GList *streams; - const GList *ports; - const GList *profiles; - MateMixerProfile *active_profile; + const GList *streams; + const GList *ports; streams = mate_mixer_control_list_streams (control); while (streams) { MateMixerStream *stream = MATE_MIXER_STREAM (streams->data); - gchar *volume_bar; - gdouble volume; + gchar *volume_bar; + gdouble volume; + + /* Ignore event streams */ + if (mate_mixer_stream_get_flags (stream) & MATE_MIXER_STREAM_EVENT) { + streams = streams->next; + continue; + } volume_bar = create_volume_bar (stream, &volume); g_print ("Stream %s\n" " |-| Description : %s\n" - " |-| Icon Name : %s\n" " |-| Volume : %s %.1f %%\n" " |-| Muted : %s\n" " |-| Channels : %d\n" " |-| Balance : %.1f\n" - " |-| Fade : %.1f\n\n", + " |-| Fade : %.1f\n", mate_mixer_stream_get_name (stream), mate_mixer_stream_get_description (stream), - mate_mixer_stream_get_icon (stream), volume_bar, volume, mate_mixer_stream_get_mute (stream) ? "Yes" : "No", @@ -150,6 +174,23 @@ print_streams (void) mate_mixer_stream_get_balance (stream), mate_mixer_stream_get_fade (stream)); + if (mate_mixer_stream_get_flags (stream) & MATE_MIXER_STREAM_APPLICATION) { + MateMixerClientStream *client; + gchar *app; + + /* The application-specific details are accessible through the client + * interface, which all client streams implement */ + client = MATE_MIXER_CLIENT_STREAM (stream); + + app = create_app_string (mate_mixer_client_stream_get_app_name (client), + mate_mixer_client_stream_get_app_id (client), + mate_mixer_client_stream_get_app_version (client)); + + g_print (" |-| Application : %s\n", app); + g_free (app); + } + + g_print ("\n"); g_free (volume_bar); ports = mate_mixer_stream_list_ports (stream); @@ -197,44 +238,91 @@ state_cb (void) connected (); break; case MATE_MIXER_STATE_FAILED: - g_printerr ("aaa"); + g_printerr ("Connection failed.\n"); + g_main_loop_quit (mainloop); break; default: - g_assert_not_reached (); break; } } +#ifdef G_OS_UNIX static gboolean signal_cb (gpointer mainloop) { g_idle_add ((GSourceFunc) g_main_loop_quit, mainloop); return FALSE; } +#endif -int main () +int main (int argc, char *argv[]) { MateMixerState state; - GMainLoop *mainloop; + GOptionContext *context; + gchar *backend = NULL; + gchar *server = NULL; + GError *error = NULL; + + GOptionEntry entries[] = { + { "backend", 'b', 0, G_OPTION_ARG_STRING, &backend, "Sound system to use (pulse, null)", NULL }, + { "server", 's', 0, G_OPTION_ARG_STRING, &server, "Sound server address", NULL }, + { NULL } + }; + + /* Initialize the library, if the function returns FALSE, it is not usable */ + if (!mate_mixer_init ()) + return 1; - setlocale (LC_ALL, ""); + context = g_option_context_new ("- libmatemixer monitor"); - /* The library */ + g_option_context_add_main_entries (context, entries, NULL); - if (!mate_mixer_init ()) + if (!g_option_context_parse (context, &argc, &argv, &error)) { + g_printerr ("%s\n", error->message); + g_error_free (error); return 1; + } + + setlocale (LC_ALL, ""); + /* Set up the controller, through which we access the main functionality */ control = mate_mixer_control_new (); + /* Some details about our application, only used with the PulseAudio backend */ mate_mixer_control_set_app_name (control, "MateMixer Monitor"); + mate_mixer_control_set_app_id (control, "org.mate-desktop.libmatemixer-monitor"); + mate_mixer_control_set_app_version (control, "1.0"); mate_mixer_control_set_app_icon (control, "multimedia-volume-control"); + if (backend) { + if (!strcmp (backend, "pulse")) + mate_mixer_control_set_backend_type (control, MATE_MIXER_BACKEND_PULSE); + else if (!strcmp (backend, "null")) + mate_mixer_control_set_backend_type (control, MATE_MIXER_BACKEND_NULL); + else + g_printerr ("Sound system backend '%s' is unknown, it will be auto-detected.", + backend); + + g_free (backend); + } + + if (server) { + mate_mixer_control_set_server_address (control, server); + g_free (server); + } + + /* Initiate connection to the sound server */ if (!mate_mixer_control_open (control)) { g_object_unref (control); mate_mixer_deinit (); return 1; } + /* If mate_mixer_control_open() returns TRUE, the state will be either + * MATE_MIXER_STATE_READY or MATE_MIXER_STATE_CONNECTING. + * + * In case mate_mixer_control_open() returned FALSE, the current state + * would be MATE_MIXER_STATE_FAILED */ state = mate_mixer_control_get_state (control); switch (state) { @@ -244,27 +332,28 @@ int main () case MATE_MIXER_STATE_CONNECTING: g_print ("Waiting for connection...\n"); - /* This state means that the result will be determined asynchronously, so - * let's wait until the state transitions to a different value */ - g_signal_connect (control, "notify::state", G_CALLBACK (state_cb), NULL); + /* Wait for the state transition */ + g_signal_connect (control, + "notify::state", + G_CALLBACK (state_cb), + NULL); break; default: - /* If mate_mixer_control_open() returns TRUE, these two are the only - * possible states. - * In case mate_mixer_control_open() returned FALSE, the current state - * would be MATE_MIXER_STATE_FAILED */ g_assert_not_reached (); break; } mainloop = g_main_loop_new (NULL, FALSE); +#ifdef G_OS_UNIX g_unix_signal_add (SIGTERM, signal_cb, mainloop); g_unix_signal_add (SIGINT, signal_cb, mainloop); +#endif g_main_loop_run (mainloop); g_object_unref (control); mate_mixer_deinit (); + return 0; } |