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seek: Change the volume/mute widgets from the main thread

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And also connect to notify::mute to get notified about mute changes.
This commit is contained in:
Sebastian Dröge 2012-02-24 12:00:41 +01:00
parent ed25febef9
commit c672ffea77
1 changed files with 40 additions and 3 deletions
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43
tests/examples/seek/seek.c
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@ -174,9 +174,11 @@ typedef struct
} SeekApp;
static void clear_streams (SeekApp * app);
static void find_interface_elements (SeekApp * app);
static void volume_notify_cb (GstElement * pipeline, GParamSpec * arg,
SeekApp * app);
static void find_interface_elements (SeekApp * app);
static void mute_notify_cb (GstElement * pipeline, GParamSpec * arg,
SeekApp * app);
/* pipeline construction */
@ -233,6 +235,7 @@ make_playbin2_pipeline (SeekApp * app, const gchar * location)
g_signal_connect (pipeline, "notify::volume", G_CALLBACK (volume_notify_cb),
app);
g_signal_connect (pipeline, "notify::mute", G_CALLBACK (mute_notify_cb), app);
app->navigation_element = GST_ELEMENT (gst_object_ref (pipeline));
app->colorbalance_element = GST_ELEMENT (gst_object_ref (pipeline));
@ -1152,8 +1155,8 @@ volume_spinbutton_changed_cb (GtkSpinButton * button, SeekApp * app)
g_object_set (app->pipeline, "volume", volume, NULL);
}
static void
volume_notify_cb (GstElement * pipeline, GParamSpec * arg, SeekApp * app)
static gboolean
volume_notify_idle_cb (SeekApp * app)
{
gdouble cur_volume, new_volume;
@ -1168,6 +1171,40 @@ volume_notify_cb (GstElement * pipeline, GParamSpec * arg, SeekApp * app)
g_signal_handlers_unblock_by_func (app->volume_spinbutton,
volume_spinbutton_changed_cb, app);
}
return FALSE;
}
static void
volume_notify_cb (GstElement * pipeline, GParamSpec * arg, SeekApp * app)
{
/* Do this from the main thread */
g_idle_add ((GSourceFunc) volume_notify_idle_cb, app);
}
static gboolean
mute_notify_idle_cb (SeekApp * app)
{
gboolean cur_mute, new_mute;
g_object_get (app->pipeline, "mute", &new_mute, NULL);
cur_mute =
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (app->mute_checkbox));
if (cur_mute != new_mute) {
g_signal_handlers_block_by_func (app->mute_checkbox, mute_toggle_cb, app);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (app->mute_checkbox),
new_mute);
g_signal_handlers_unblock_by_func (app->mute_checkbox, mute_toggle_cb, app);
}
return FALSE;
}
static void
mute_notify_cb (GstElement * pipeline, GParamSpec * arg, SeekApp * app)
{
/* Do this from the main thread */
g_idle_add ((GSourceFunc) mute_notify_idle_cb, app);
}
static void