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examples: facedetect: add silent option

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By default the example floods the screen with the detected face values.
Add an option to avoid this for frail terminals.
This commit is contained in:
Luis de Bethencourt 2015-08-17 23:44:42 +01:00
parent 9e99102b48
commit 64513a60e9
1 changed files with 17 additions and 11 deletions
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28
tests/examples/opencv/gstfacedetect_test.c
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@ -30,6 +30,7 @@ GstElement *playbin, *pipeline;
GstElement *v4l2src, *videoscale, *videoconvert_in, *facedetect, GstElement *v4l2src, *videoscale, *videoconvert_in, *facedetect,
*videoconvert_out, *autovideosink; *videoconvert_out, *autovideosink;
static gboolean ctrlvol = FALSE; static gboolean ctrlvol = FALSE;
static gboolean silent = FALSE;
static GstBusSyncReply static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline) bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
@ -52,23 +53,26 @@ bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
/* if facedetect is into buffer */ /* if facedetect is into buffer */
if (structure && if (structure &&
strcmp (gst_structure_get_name (structure), "facedetect") == 0) { strcmp (gst_structure_get_name (structure), "facedetect") == 0) {
/* print message type and structure name */ if (!silent) {
g_print ("Type message, name message: %s{{%s}}\n", /* print message type and structure name */
gst_message_type_get_name (message->type), g_print ("Type message, name message: %s{{%s}}\n",
gst_structure_get_name (structure)); gst_message_type_get_name (message->type),
/* print msg structure names&type */ gst_structure_get_name (structure));
for (i = 0; i < gst_structure_n_fields (structure); i++) {
const gchar *name = gst_structure_nth_field_name (structure, i); /* print msg structure names and type */
GType type = gst_structure_get_field_type (structure, name); for (i = 0; i < gst_structure_n_fields (structure); i++) {
g_print ("-Name field, type: %s[%s]\n", name, g_type_name (type)); const gchar *name = gst_structure_nth_field_name (structure, i);
GType type = gst_structure_get_field_type (structure, name);
g_print ("-Name field, type: %s[%s]\n", name, g_type_name (type));
}
} }
g_print ("\n");
/* get structure of faces */ /* get structure of faces */
value = gst_structure_get_value (structure, "faces"); value = gst_structure_get_value (structure, "faces");
/* obtain the contents into the structure */ /* obtain the contents into the structure */
contents = g_strdup_value_contents (value); contents = g_strdup_value_contents (value);
g_print ("Detected objects: %s\n", *(&contents)); if (!silent)
g_print ("Detected objects: %s\n\n", *(&contents));
/* list size */ /* list size */
size = gst_value_list_get_size (value); size = gst_value_list_get_size (value);
@ -138,6 +142,8 @@ main (gint argc, gchar ** argv)
GOptionEntry options[] = { GOptionEntry options[] = {
{"control-volume", 'c', 0, G_OPTION_ARG_NONE, &ctrlvol, {"control-volume", 'c', 0, G_OPTION_ARG_NONE, &ctrlvol,
"Control the volume by hiding the nose or mouth", NULL}, "Control the volume by hiding the nose or mouth", NULL},
{"silent", 's', 0, G_OPTION_ARG_NONE, &silent,
"Don't output the messages and detected faces structure", NULL},
{NULL} {NULL}
}; };
GOptionContext *ctx; GOptionContext *ctx;