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device-monitor: print device properties

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This commit is contained in:
Wim Taymans 2015-07-15 18:22:28 +02:00
parent 14083178b8
commit eddf604e66
1 changed files with 22 additions and 5 deletions
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27
tools/gst-device-monitor.c
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@ -42,11 +42,23 @@ typedef struct
static gboolean bus_msg_handler (GstBus * bus, GstMessage * msg, gpointer data); static gboolean bus_msg_handler (GstBus * bus, GstMessage * msg, gpointer data);
static gboolean
print_structure_field (GQuark field_id, const GValue * value,
gpointer user_data)
{
if (G_VALUE_HOLDS_STRING (value))
g_print ("\n\t\t%s = %s", g_quark_to_string (field_id),
g_value_get_string (value));
return TRUE;
}
static void static void
device_added (GstDevice * device) device_added (GstDevice * device)
{ {
gchar *device_class, *caps_str, *name; gchar *device_class, *str, *name;
GstCaps *caps; GstCaps *caps;
GstStructure *props;
guint i, size = 0; guint i, size = 0;
caps = gst_device_get_caps (device); caps = gst_device_get_caps (device);
@ -55,17 +67,22 @@ device_added (GstDevice * device)
name = gst_device_get_display_name (device); name = gst_device_get_display_name (device);
device_class = gst_device_get_device_class (device); device_class = gst_device_get_device_class (device);
props = gst_device_get_properties (device);
g_print ("\nDevice found:\n\n"); g_print ("\nDevice found:\n\n");
g_print ("\tname : %s\n", name); g_print ("\tname : %s\n", name);
g_print ("\tclass : %s\n", device_class); g_print ("\tclass : %s\n", device_class);
for (i = 0; i < size; ++i) { for (i = 0; i < size; ++i) {
GstStructure *s = gst_caps_get_structure (caps, i); GstStructure *s = gst_caps_get_structure (caps, i);
caps_str = gst_structure_to_string (s); str = gst_structure_to_string (s);
g_print ("\t%s %s\n", (i == 0) ? "caps :" : " ", caps_str); g_print ("\t%s %s\n", (i == 0) ? "caps :" : " ", str);
g_free (caps_str); g_free (str);
}
if (props) {
g_print ("\tproperties:");
gst_structure_foreach (props, print_structure_field, NULL);
g_print ("\n");
} }
g_print ("\n"); g_print ("\n");
g_free (name); g_free (name);