#include "config.h"
#endif
+#include "debugutils-marshal.h"
#include "fpsdisplaysink.h"
#include <gst/interfaces/xoverlay.h>
+#define DEFAULT_SIGNAL_FPS_MEASUREMENTS FALSE
#define DEFAULT_FPS_UPDATE_INTERVAL_MS 500 /* 500 ms */
#define DEFAULT_FONT "Sans 20"
enum
{
+ /* FILL ME */
+ SIGNAL_FPS_MEASUREMENTS,
+ LAST_SIGNAL
+};
+
+enum
+{
ARG_0,
ARG_SYNC,
ARG_TEXT_OVERLAY,
ARG_VIDEO_SINK,
ARG_FPS_UPDATE_INTERVAL,
ARG_MAX_FPS,
- ARG_MIN_FPS
+ ARG_MIN_FPS,
+ ARG_SIGNAL_FPS_MEASUREMENTS
/* FILL ME */
};
GValue * value, GParamSpec * pspec);
static void fps_display_sink_dispose (GObject * object);
+static guint fpsdisplaysink_signals[LAST_SIGNAL] = { 0 };
+
static void
fps_display_sink_class_init (GstFPSDisplaySinkClass * klass)
{
" (in ms). Should be set on NULL state", 1, G_MAXINT,
DEFAULT_FPS_UPDATE_INTERVAL_MS,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
+
g_object_class_install_property (gobject_klass, ARG_MAX_FPS,
g_param_spec_double ("max-fps", "Max fps",
"Maximum fps rate measured. Reset when going from NULL to READY."
"-1 means no measurement has yet been done", -1, G_MAXDOUBLE, -1,
G_PARAM_STATIC_STRINGS | G_PARAM_READABLE));
+
g_object_class_install_property (gobject_klass, ARG_MIN_FPS,
g_param_spec_double ("min-fps", "Min fps",
"Minimum fps rate measured. Reset when going from NULL to READY."
"-1 means no measurement has yet been done", -1, G_MAXDOUBLE, -1,
G_PARAM_STATIC_STRINGS | G_PARAM_READABLE));
+ g_object_class_install_property (gobject_klass, ARG_SIGNAL_FPS_MEASUREMENTS,
+ g_param_spec_boolean ("signal-fps-measurements",
+ "Signal fps measurements",
+ "If the fps-measurements signal should be emited.",
+ DEFAULT_SIGNAL_FPS_MEASUREMENTS,
+ G_PARAM_STATIC_STRINGS | G_PARAM_READABLE));
+
+ /**
+ * GstFPSDisplaySink::fps-measurements:
+ * @fpsdisplaysink: a #GstFPSDisplaySink
+ * @fps: The current measured fps
+ * @droprate: The rate at which buffers are being dropped
+ * @avgfps: The average fps
+ *
+ * Signals the application about the measured fps
+ *
+ * Since: 0.10.20
+ */
+ fpsdisplaysink_signals[SIGNAL_FPS_MEASUREMENTS] =
+ g_signal_new ("fps-measurements", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ __gst_debugutils_marshal_VOID__DOUBLE_DOUBLE_DOUBLE,
+ G_TYPE_NONE, 3, G_TYPE_DOUBLE, G_TYPE_DOUBLE, G_TYPE_DOUBLE);
+
gstelement_klass->change_state = fps_display_sink_change_state;
gst_element_class_add_pad_template (gstelement_klass,
GstFPSDisplaySinkClass * g_class)
{
self->sync = FALSE;
+ self->signal_measurements = DEFAULT_SIGNAL_FPS_MEASUREMENTS;
self->use_text_overlay = TRUE;
self->fps_update_interval = DEFAULT_FPS_UPDATE_INTERVAL_MS;
self->video_sink = NULL;
GST_DEBUG_OBJECT (self, "Updated min-fps to %f", rr);
}
+ if (self->signal_measurements) {
+ g_signal_emit (G_OBJECT (self),
+ fpsdisplaysink_signals[SIGNAL_FPS_MEASUREMENTS], 0, rr, dr,
+ average_fps);
+ }
+
if (dr == 0.0) {
g_snprintf (fps_message, 255, "current: %.2f\naverage: %.2f", rr,
average_fps);
case ARG_FPS_UPDATE_INTERVAL:
self->fps_update_interval = g_value_get_int (value);
break;
+ case ARG_SIGNAL_FPS_MEASUREMENTS:
+ self->signal_measurements = g_value_get_boolean (value);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case ARG_MIN_FPS:
g_value_set_double (value, self->min_fps);
break;
+ case ARG_SIGNAL_FPS_MEASUREMENTS:
+ g_value_set_boolean (value, self->signal_measurements);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;