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wpctl: Add get-volume command and functionality

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Varnit Singh 2022-06-08 09:18:34 +00:00 • committed by George Kiagiadakis
parent cee5ee7c37
commit e192deb7bc
1 changed files with 86 additions and 0 deletions
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86
src/tools/wpctl.c
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@ -47,6 +47,10 @@ static struct {
gboolean is_pid;
} set_volume;
struct {
guint64 id;
} get_volume;
struct {
guint64 id;
guint mute;
@ -475,6 +479,78 @@ status_run (WpCtl * self)
g_main_loop_quit (self->loop);
}
/* get-volume */
static gboolean
get_volume_parse_positional (gint argc, gchar ** argv, GError **error)
{
if (argc < 3) {
g_set_error (error, wpctl_error_domain_quark(), 0,
"ID is required");
return FALSE;
} else {
return parse_id (true, false, argv[2], &cmdline.get_volume.id, error);
}
}
static gboolean
get_volume_prepare (WpCtl * self, GError ** error)
{
wp_object_manager_add_interest (self->om, WP_TYPE_NODE, NULL);
wp_object_manager_request_object_features (self->om, WP_TYPE_GLOBAL_PROXY,
WP_PIPEWIRE_OBJECT_FEATURES_MINIMAL);
return TRUE;
}
static void
do_print_volume (WpCtl * self, WpPipewireObject *proxy)
{
g_autoptr (WpPlugin) mixer_api = wp_plugin_find (self->core, "mixer-api");
GVariant *variant = NULL;
gboolean mute = FALSE;
gdouble volume = 1.0;
guint32 id = wp_proxy_get_bound_id (WP_PROXY (proxy));
g_signal_emit_by_name (mixer_api, "get-volume", id, &variant);
if (!variant) {
fprintf (stderr, "Node %d does not support volume\n", id);
return;
}
g_variant_lookup (variant, "volume", "d", &volume);
g_variant_lookup (variant, "mute", "b", &mute);
g_clear_pointer (&variant, g_variant_unref);
printf ("Volume: %.2f%s", volume, mute ? " [MUTED]\n" : "\n");
}
static void
get_volume_run (WpCtl * self)
{
g_autoptr (WpPlugin) def_nodes_api = NULL;
g_autoptr (GError) error = NULL;
g_autoptr (WpPipewireObject) proxy = NULL;
guint32 id;
def_nodes_api = wp_plugin_find (self->core, "default-nodes-api");
if (!translate_id (def_nodes_api, cmdline.get_volume.id, &id, &error)) {
fprintf(stderr, "Translate ID error: %s\n\n", error->message);
goto out;
}
proxy = wp_object_manager_lookup (self->om, WP_TYPE_GLOBAL_PROXY,
WP_CONSTRAINT_TYPE_G_PROPERTY, "bound-id", "=u", id, NULL);
if (!proxy) {
fprintf (stderr, "Node '%d' not found\n", id);
goto out;
}
do_print_volume (self, proxy);
out:
g_main_loop_quit (self->loop);
}
/* inspect */
static gboolean
@ -1154,6 +1230,16 @@ static const struct subcommand {
.prepare = status_prepare,
.run = status_run,
},
{
.name = "get-volume",
.positional_args = "ID",
.summary = "Displays volume information about the specified node in PipeWire",
.description = NULL,
.entries = { { NULL } },
.parse_positional = get_volume_parse_positional,
.prepare = get_volume_prepare,
.run = get_volume_run,
},
{
.name = "inspect",
.positional_args = "ID",