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author | Luis de Bethencourt <luis@debethencourt.com> | 2015-08-10 16:51:17 +0100 |
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committer | Luis de Bethencourt <luis@debethencourt.com> | 2015-08-10 18:58:55 +0100 |
commit | 53a9374eb559b0e7e245a615ed23bb4c83022b6a (patch) | |
tree | 004e8497aec3f43b9d3c215c2a58059f39d9544a | |
parent | b7777b91812c58dc5f8a365c1e13b3de7116ead4 (diff) | |
download | gstreamer-plugins-bad-53a9374eb559b0e7e245a615ed23bb4c83022b6a.tar.gz |
examples: facedetect: make volume control optional
-rw-r--r-- | tests/examples/opencv/gstfacedetect_test.c | 69 |
1 files changed, 45 insertions, 24 deletions
diff --git a/tests/examples/opencv/gstfacedetect_test.c b/tests/examples/opencv/gstfacedetect_test.c index 5b7869887..1337c2fef 100644 --- a/tests/examples/opencv/gstfacedetect_test.c +++ b/tests/examples/opencv/gstfacedetect_test.c @@ -29,6 +29,7 @@ GstElement *playbin, *pipeline; GstElement *v4l2src, *videoscale, *videoconvert_in, *facedetect, *videoconvert_out, *autovideosink; +static gboolean ctrlvol = FALSE; static GstBusSyncReply bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline) @@ -42,7 +43,6 @@ bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline) gchar *contents; gint i; guint size = 0; - gdouble volume = 0.0; /* select msg */ if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT || @@ -81,13 +81,6 @@ bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline) if (size != 0) { GstState state; - faces_value = gst_value_list_get_value (value, 0); - faces_structure = gst_value_get_structure (faces_value); - have_mouth_y = gst_structure_has_field (faces_structure, "mouth->y"); - have_mouth_x = gst_structure_has_field (faces_structure, "mouth->x"); - have_nose_y = gst_structure_has_field (faces_structure, "nose->y"); - have_nose_x = gst_structure_has_field (faces_structure, "nose->x"); - /* if paused, set to playing */ gst_element_get_state (GST_ELEMENT (playbin), &state, NULL, GST_CLOCK_TIME_NONE); @@ -95,22 +88,33 @@ bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline) gst_element_set_state (GST_ELEMENT (playbin), GST_STATE_PLAYING); } - /* get the volume value */ - g_object_get (G_OBJECT (playbin), "volume", &volume, NULL); - - /* media operation - hide your mouth for down the volume of the video */ - if (have_mouth_y == 0 && have_mouth_x == 0) { - volume = volume - 0.5; - if (volume <= 0.5) - volume = 0.0; - g_object_set (G_OBJECT (playbin), "volume", volume, NULL); - } - /* media operation - hide your nose for up the volume of the video */ - if (have_nose_y == 0 && have_nose_x == 0) { - volume = volume + 0.5; - if (volume >= 9.5) - volume = 10.0; - g_object_set (G_OBJECT (playbin), "volume", volume, NULL); + if (ctrlvol) { + gdouble volume; + + faces_value = gst_value_list_get_value (value, 0); + faces_structure = gst_value_get_structure (faces_value); + have_mouth_y = gst_structure_has_field (faces_structure, "mouth->y"); + have_mouth_x = gst_structure_has_field (faces_structure, "mouth->x"); + have_nose_y = gst_structure_has_field (faces_structure, "nose->y"); + have_nose_x = gst_structure_has_field (faces_structure, "nose->x"); + + /* get the volume value */ + g_object_get (G_OBJECT (playbin), "volume", &volume, NULL); + + /* media operation - hide your mouth for down the volume of the video */ + if (have_mouth_y == 0 && have_mouth_x == 0) { + volume = volume - 0.5; + if (volume <= 0.5) + volume = 0.0; + g_object_set (G_OBJECT (playbin), "volume", volume, NULL); + } + /* media operation - hide your nose for up the volume of the video */ + if (have_nose_y == 0 && have_nose_x == 0) { + volume = volume + 0.5; + if (volume >= 9.5) + volume = 10.0; + g_object_set (G_OBJECT (playbin), "volume", volume, NULL); + } } /* if face is not detected */ } else { @@ -130,6 +134,23 @@ main (gint argc, gchar ** argv) GstBus *bus; gchar *uri; + GOptionEntry options[] = { + {"control-volume", 'c', 0, G_OPTION_ARG_NONE, &ctrlvol, + "Control the volume by hiding the nose or mouth", NULL}, + {NULL} + }; + GOptionContext *ctx; + GError *err = NULL; + + ctx = g_option_context_new ("<video file>\n\nfacedetect test application."); + g_option_context_add_main_entries (ctx, options, NULL); + g_option_context_add_group (ctx, gst_init_get_option_group ()); + if (!g_option_context_parse (ctx, &argc, &argv, &err)) { + g_print ("Error initializing: %s\n", err->message); + exit (1); + } + g_option_context_free (ctx); + if (argc < 2) { fprintf (stderr, "oops, please give a file to play\n"); return -1; |