mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
18e4e80b7d
Until someone makes it work with the wayland backend. The code currenty assumes and hard-codes X11. https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/merge_requests/49
677 lines
21 KiB
C
677 lines
21 KiB
C
#include <gst/gst.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkx.h>
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#include <gst/video/video.h>
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#define WINDOW_GLADE "window.glade"
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#define INT_PROPERTY_GLADE "int_property.glade"
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#define ENUM_PROPERTY_GLADE "enum_property.glade"
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#define BOOL_PROPERTY_GLADE "boolean_property.glade"
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#define PROPERTY_TO_VBOX \
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properties[i].dynamic ? GTK_BOX (dynamic_vbox) : GTK_BOX (static_vbox)
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#define GET_WIDGET(object, type, name) \
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type (gtk_builder_get_object ((object)->builder, name))
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#define GET_PROP_WIDGET(type, name) GET_WIDGET (&(properties[i]), type, name)
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static guint h264_xid, preview_xid;
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typedef struct
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{
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GtkBuilder *builder;
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GstElement *src;
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enum
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{ NONE, INT, ENUM, BOOL } type;
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const gchar *property_name;
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gboolean readonly;
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gboolean dynamic;
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} Prop;
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typedef struct
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{
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GtkBuilder *builder;
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GstElement *bin;
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GstElement *src;
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GstElement *identity;
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GstElement *vid_capsfilter;
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GstElement *vf_capsfilter;
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} Main;
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Prop properties[] = {
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{NULL, NULL, INT, "initial-bitrate", FALSE, FALSE},
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{NULL, NULL, INT, "slice-units", FALSE, FALSE},
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{NULL, NULL, ENUM, "slice-mode", FALSE, FALSE},
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{NULL, NULL, INT, "iframe-period", FALSE, FALSE},
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{NULL, NULL, ENUM, "usage-type", FALSE, FALSE},
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{NULL, NULL, ENUM, "entropy", FALSE, FALSE},
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{NULL, NULL, BOOL, "enable-sei", FALSE, FALSE},
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{NULL, NULL, INT, "num-reorder-frames", FALSE, FALSE},
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{NULL, NULL, BOOL, "preview-flipped", FALSE, FALSE},
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{NULL, NULL, INT, "leaky-bucket-size", FALSE, FALSE},
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{NULL, NULL, INT, "num-clock-samples", FALSE, TRUE},
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{NULL, NULL, ENUM, "rate-control", FALSE, TRUE},
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{NULL, NULL, BOOL, "fixed-framerate", FALSE, TRUE},
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{NULL, NULL, INT, "max-mbps", TRUE, TRUE},
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{NULL, NULL, INT, "level-idc", FALSE, TRUE},
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{NULL, NULL, INT, "peak-bitrate", FALSE, TRUE},
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{NULL, NULL, INT, "average-bitrate", FALSE, TRUE},
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{NULL, NULL, INT, "min-iframe-qp", FALSE, TRUE},
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{NULL, NULL, INT, "max-iframe-qp", FALSE, TRUE},
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{NULL, NULL, INT, "min-pframe-qp", FALSE, TRUE},
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{NULL, NULL, INT, "max-pframe-qp", FALSE, TRUE},
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{NULL, NULL, INT, "min-bframe-qp", FALSE, TRUE},
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{NULL, NULL, INT, "max-bframe-qp", FALSE, TRUE},
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{NULL, NULL, INT, "ltr-buffer-size", FALSE, TRUE},
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{NULL, NULL, INT, "ltr-encoder-control", FALSE, TRUE},
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};
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static void set_drop_probability (Main * self);
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static void get_all_properties (void);
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static void probe_all_properties (gboolean playing);
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/* Callbacks */
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void on_button_toggled (GtkToggleButton * button, gpointer user_data);
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void on_get_button_clicked (GtkButton * button, gpointer user_data);
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void on_set_button_clicked (GtkButton * button, gpointer user_data);
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void on_button_ready_clicked (GtkButton * button, gpointer user_data);
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void on_button_null_clicked (GtkButton * button, gpointer user_data);
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void on_button_playing_clicked (GtkButton * button, gpointer user_data);
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void on_iframe_button_clicked (GtkButton * button, gpointer user_data);
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void on_renegotiate_button_clicked (GtkButton * button, gpointer user_data);
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void on_start_capture_button_clicked (GtkButton * button, gpointer user_data);
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void on_stop_capture_button_clicked (GtkButton * button, gpointer user_data);
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void on_window_destroyed (GtkWindow * window, gpointer user_data);
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static GstEvent *
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new_upstream_force_key_unit (GstClockTime running_time,
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gboolean all_headers, guint count)
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{
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GstEvent *force_key_unit_event;
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GstStructure *s;
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s = gst_structure_new ("GstForceKeyUnit",
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"running-time", GST_TYPE_CLOCK_TIME, running_time,
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"all-headers", G_TYPE_BOOLEAN, all_headers,
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"count", G_TYPE_UINT, count, NULL);
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force_key_unit_event = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM, s);
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return force_key_unit_event;
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}
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void
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on_get_button_clicked (GtkButton * button, gpointer user_data)
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{
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Prop *property = user_data;
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switch (property->type) {
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case INT:
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{
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gchar *val;
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gint val_int;
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g_object_get (property->src, property->property_name, &val_int, NULL);
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val = g_strdup_printf ("%d", val_int);
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gtk_entry_set_text (GET_WIDGET (property, GTK_ENTRY, "value"), val);
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g_free (val);
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}
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break;
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case ENUM:
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{
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GParamSpec *param;
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gint val;
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g_object_get (property->src, property->property_name, &val, NULL);
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param = g_object_class_find_property (G_OBJECT_GET_CLASS (property->src),
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property->property_name);
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if (G_IS_PARAM_SPEC_ENUM (param)) {
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GEnumValue *values;
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guint i = 0;
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values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
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while (values[i].value_name) {
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if (values[i].value == val) {
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gtk_combo_box_set_active (GET_WIDGET (property,
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(GtkComboBox *), "value"), i);
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break;
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}
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i++;
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}
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}
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}
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break;
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case BOOL:
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{
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gboolean val;
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g_object_get (property->src, property->property_name, &val, NULL);
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gtk_toggle_button_set_active (GET_WIDGET (property,
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(GtkToggleButton *), "value"), val);
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}
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break;
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case NONE:
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default:
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break;
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}
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}
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void
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on_set_button_clicked (GtkButton * button, gpointer user_data)
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{
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Prop *property = user_data;
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switch (property->type) {
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case INT:
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{
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int val_int;
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const gchar *val;
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val = gtk_entry_get_text (GET_WIDGET (property, GTK_ENTRY, "value"));
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val_int = (int) g_ascii_strtoll (val, NULL, 0);
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g_object_set (property->src, property->property_name, val_int, NULL);
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}
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break;
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case ENUM:
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{
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GParamSpec *param;
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param = g_object_class_find_property (G_OBJECT_GET_CLASS (property->src),
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property->property_name);
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if (G_IS_PARAM_SPEC_ENUM (param)) {
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GEnumValue *values;
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guint val = 0;
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values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
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val = gtk_combo_box_get_active (GET_WIDGET (property,
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(GtkComboBox *), "value"));
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g_object_set (property->src, property->property_name,
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values[val].value, NULL);
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}
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}
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break;
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case BOOL:
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{
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gboolean val;
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val = gtk_toggle_button_get_active (GET_WIDGET (property,
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(GtkToggleButton *), "value"));
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g_object_set (property->src, property->property_name, val, NULL);
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}
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break;
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case NONE:
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default:
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break;
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}
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get_all_properties ();
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}
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void
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on_button_toggled (GtkToggleButton * button, gpointer user_data)
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{
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if (gtk_toggle_button_get_active (button))
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gtk_button_set_label (GTK_BUTTON (button), " Enabled ");
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else
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gtk_button_set_label (GTK_BUTTON (button), " Disabled ");
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}
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static gboolean
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set_caps (Main * self, gboolean send_event)
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{
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const gchar *h264_filter;
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const gchar *raw_filter;
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GstCaps *h264_caps = NULL;
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GstCaps *raw_caps = NULL;
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gboolean ret = TRUE;
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h264_filter = gtk_entry_get_text (GET_WIDGET (self, GTK_ENTRY, "h264_caps"));
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raw_filter =
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gtk_entry_get_text (GET_WIDGET (self, GTK_ENTRY, "preview_caps"));
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if (h264_filter)
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h264_caps = gst_caps_from_string (h264_filter);
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if (raw_filter)
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raw_caps = gst_caps_from_string (raw_filter);
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g_debug ("H264 caps : %s", gst_caps_to_string (h264_caps));
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g_debug ("Preview caps : %s", gst_caps_to_string (raw_caps));
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if (!h264_caps || !raw_caps) {
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g_debug ("Invalid caps");
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ret = FALSE;
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goto end;
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}
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g_object_set (self->vid_capsfilter, "caps", h264_caps, NULL);
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g_object_set (self->vf_capsfilter, "caps", raw_caps, NULL);
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if (send_event) {
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gst_element_send_event (GST_ELEMENT (self->src),
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gst_event_new_reconfigure ());
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}
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end:
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if (h264_caps)
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gst_caps_unref (h264_caps);
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if (raw_caps)
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gst_caps_unref (raw_caps);
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return ret;
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}
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void
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on_button_ready_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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set_caps (self, FALSE);
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gst_element_set_state (self->bin, GST_STATE_READY);
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probe_all_properties (FALSE);
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get_all_properties ();
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}
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void
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on_button_null_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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gst_element_set_state (self->bin, GST_STATE_NULL);
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probe_all_properties (FALSE);
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get_all_properties ();
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}
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void
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on_button_playing_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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if (gst_element_set_state (self->bin, GST_STATE_PLAYING) ==
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GST_STATE_CHANGE_FAILURE) {
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g_debug ("Unable to go to state PLAYING");
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}
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set_caps (self, FALSE);
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probe_all_properties (TRUE);
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get_all_properties ();
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set_drop_probability (self);
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}
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void
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on_iframe_button_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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GstEvent *event;
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gboolean pps_sps;
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set_drop_probability (self);
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pps_sps = gtk_toggle_button_get_active (GET_WIDGET (self, (GtkToggleButton *),
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"pps_sps"));
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event = new_upstream_force_key_unit (GST_CLOCK_TIME_NONE, pps_sps, 0);
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gst_element_send_event (GST_ELEMENT (self->src), event);
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}
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void
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on_renegotiate_button_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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set_caps (self, TRUE);
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probe_all_properties (GST_STATE (self->bin) >= GST_STATE_PAUSED);
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get_all_properties ();
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}
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void
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on_start_capture_button_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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set_caps (self, FALSE);
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g_signal_emit_by_name (G_OBJECT (self->src), "start-capture", NULL);
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probe_all_properties (GST_STATE (self->bin) >= GST_STATE_PAUSED);
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get_all_properties ();
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}
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void
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on_stop_capture_button_clicked (GtkButton * button, gpointer user_data)
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{
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Main *self = user_data;
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set_caps (self, FALSE);
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g_signal_emit_by_name (G_OBJECT (self->src), "stop-capture", NULL);
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probe_all_properties (GST_STATE (self->bin) >= GST_STATE_PAUSED);
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get_all_properties ();
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}
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void
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on_window_destroyed (GtkWindow * window, gpointer user_data)
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{
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gtk_main_quit ();
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}
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static gboolean
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_bus_callback (GstBus * bus, GstMessage * message, gpointer user_data)
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{
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const GstStructure *s = gst_message_get_structure (message);
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GstObject *source = NULL;
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if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT &&
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gst_structure_has_name (s, "prepare-window-handle")) {
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source = GST_MESSAGE_SRC (message);
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if (!g_strcmp0 (gst_object_get_name (source), "h264_sink"))
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gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (source),
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h264_xid);
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else
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gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (source),
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preview_xid);
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}
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return TRUE;
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}
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static void
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set_drop_probability (Main * self)
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{
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const gchar *drop;
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gdouble drop_probability = 0.0;
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drop = gtk_entry_get_text (GET_WIDGET (self, GTK_ENTRY, "drop"));
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drop_probability = g_ascii_strtod (drop, NULL);
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g_debug ("Setting drop probability to : %f", drop_probability);
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g_object_set (self->identity, "drop-probability", drop_probability, NULL);
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}
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static void
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get_all_properties (void)
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{
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int i;
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for (i = 0; i < G_N_ELEMENTS (properties); i++)
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on_get_button_clicked (NULL, &properties[i]);
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}
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static void
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probe_all_properties (gboolean playing)
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{
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int i;
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for (i = 0; i < G_N_ELEMENTS (properties); i++) {
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gboolean return_value, changeable, default_bool;
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guint mask, minimum, maximum, default_int;
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GParamSpec *param;
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/* When playing, ignore static controls */
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if (playing && !properties[i].dynamic)
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continue;
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switch (properties[i].type) {
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case INT:
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g_signal_emit_by_name (G_OBJECT (properties[i].src), "get-int-setting",
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properties[i].property_name, &minimum, &default_int, &maximum,
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&return_value, NULL);
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if (return_value) {
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gchar *min, *def, *max;
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min = g_strdup_printf ("%d", minimum);
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def = g_strdup_printf ("%d", default_int);
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max = g_strdup_printf ("%d", maximum);
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "minimum"), min);
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "default"), def);
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "maximum"), max);
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g_free (min);
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g_free (def);
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g_free (max);
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} else {
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "minimum"), "");
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "default"), "");
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "maximum"), "");
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}
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break;
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case ENUM:
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g_signal_emit_by_name (G_OBJECT (properties[i].src), "get-enum-setting",
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properties[i].property_name, &mask, &default_int, &return_value,
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NULL);
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param =
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g_object_class_find_property (G_OBJECT_GET_CLASS (properties
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[i].src), properties[i].property_name);
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if (G_IS_PARAM_SPEC_ENUM (param)) {
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GEnumValue *values;
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guint j = 0;
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values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
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if (return_value) {
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while (values[j].value_name) {
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if (values[j].value == default_int) {
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "default"),
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values[j].value_name);
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break;
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}
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j++;
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}
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} else {
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gtk_entry_set_text (GET_PROP_WIDGET (GTK_ENTRY, "default"), "");
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}
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j = 0;
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while (values[j].value_name) {
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#if !GTK_CHECK_VERSION (2, 24, 0)
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gtk_combo_box_remove_text (GET_PROP_WIDGET ((GtkComboBox *),
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"value"), 0);
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#else
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gtk_combo_box_text_remove (GET_PROP_WIDGET ((GtkComboBoxText *),
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"value"), 0);
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#endif
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j++;
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}
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j = 0;
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while (values[j].value_name) {
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gchar *val;
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if (return_value && (mask & (1 << values[j].value)) != 0)
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val = g_strdup_printf ("**%s**", values[j].value_name);
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else
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val = g_strdup (values[j].value_name);
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#if !GTK_CHECK_VERSION (2, 24, 0)
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gtk_combo_box_append_text (GET_PROP_WIDGET ((GtkComboBox *),
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"value"), val);
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#else
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gtk_combo_box_text_append_text (GET_PROP_WIDGET ((GtkComboBoxText
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*), "value"), val);
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#endif
|
|
g_free (val);
|
|
j++;
|
|
}
|
|
}
|
|
break;
|
|
case BOOL:
|
|
g_signal_emit_by_name (G_OBJECT (properties[i].src),
|
|
"get-boolean-setting", properties[i].property_name,
|
|
&changeable, &default_bool, &return_value, NULL);
|
|
if (return_value) {
|
|
gtk_widget_set_sensitive (GET_PROP_WIDGET (GTK_WIDGET, "value"),
|
|
changeable);
|
|
gtk_widget_set_sensitive (GET_PROP_WIDGET (GTK_WIDGET, "get"),
|
|
changeable);
|
|
gtk_widget_set_sensitive (GET_PROP_WIDGET (GTK_WIDGET, "set"),
|
|
changeable);
|
|
gtk_toggle_button_set_active (GET_PROP_WIDGET ((GtkToggleButton *),
|
|
"default"), default_bool);
|
|
}
|
|
break;
|
|
case NONE:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
Main self = { NULL, NULL, NULL, NULL };
|
|
GstBus *bus = NULL;
|
|
GtkWidget *window, *static_vbox, *dynamic_vbox, *da;
|
|
gchar *drop;
|
|
gdouble drop_probability;
|
|
GdkWindow *gdk_win = NULL;
|
|
const char *device = "/dev/video0";
|
|
GError *error = NULL;
|
|
int i;
|
|
|
|
/* FIXME: add support for Gdk Wayland backend, code currently assumes X11 */
|
|
if (g_getenv ("GDK_BACKEND") == NULL)
|
|
g_setenv ("GDK_BACKEND", "x11", TRUE);
|
|
|
|
gtk_init (&argc, &argv);
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc > 1)
|
|
device = argv[1];
|
|
else
|
|
g_print ("Usage : %s [device]\nUsing default device : %s\n",
|
|
argv[0], device);
|
|
|
|
|
|
self.bin = gst_parse_launch ("uvch264src name=src src.vidsrc ! queue ! "
|
|
"capsfilter name=vid_cf ! identity name=identity ! decodebin ! "
|
|
"xvimagesink name=h264_sink async=false "
|
|
"src.vfsrc ! queue ! capsfilter name=vf_cf ! "
|
|
"xvimagesink name=preview_sink async=false", NULL);
|
|
|
|
if (!self.bin)
|
|
return -1;
|
|
|
|
/* Listen to the bus for messages */
|
|
bus = gst_element_get_bus (self.bin);
|
|
gst_bus_add_watch (bus, _bus_callback, self.bin);
|
|
gst_object_unref (bus);
|
|
|
|
self.src = gst_bin_get_by_name (GST_BIN (self.bin), "src");
|
|
self.identity = gst_bin_get_by_name (GST_BIN (self.bin), "identity");
|
|
self.vid_capsfilter = gst_bin_get_by_name (GST_BIN (self.bin), "vid_cf");
|
|
self.vf_capsfilter = gst_bin_get_by_name (GST_BIN (self.bin), "vf_cf");
|
|
|
|
self.builder = gtk_builder_new ();
|
|
gtk_builder_add_from_file (self.builder, WINDOW_GLADE, &error);
|
|
if (error) {
|
|
g_debug ("Unable to load glade file : %s", error->message);
|
|
goto end;
|
|
}
|
|
gtk_builder_connect_signals (self.builder, &self);
|
|
|
|
g_object_get (self.identity, "drop-probability", &drop_probability, NULL);
|
|
drop = g_strdup_printf ("%f", drop_probability);
|
|
gtk_entry_set_text (GET_WIDGET (&self, GTK_ENTRY, "drop"), drop);
|
|
g_free (drop);
|
|
window = GET_WIDGET (&self, GTK_WIDGET, "window");
|
|
static_vbox = GET_WIDGET (&self, GTK_WIDGET, "static");
|
|
dynamic_vbox = GET_WIDGET (&self, GTK_WIDGET, "dynamic");
|
|
da = GET_WIDGET (&self, GTK_WIDGET, "h264");
|
|
gtk_widget_realize (da);
|
|
gdk_win = gtk_widget_get_window (da);
|
|
h264_xid = GDK_WINDOW_XID (gdk_win);
|
|
da = GET_WIDGET (&self, GTK_WIDGET, "preview");
|
|
gtk_widget_realize (da);
|
|
gdk_win = gtk_widget_get_window (da);
|
|
preview_xid = GDK_WINDOW_XID (gdk_win);
|
|
|
|
set_caps (&self, FALSE);
|
|
|
|
g_object_set (self.src, "device", device, NULL);
|
|
if (gst_element_set_state (self.bin, GST_STATE_READY) ==
|
|
GST_STATE_CHANGE_FAILURE) {
|
|
g_debug ("Unable to go to state READY");
|
|
goto end;
|
|
}
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (properties); i++) {
|
|
switch (properties[i].type) {
|
|
case INT:
|
|
properties[i].src = self.src;
|
|
properties[i].builder = gtk_builder_new ();
|
|
gtk_builder_add_from_file (properties[i].builder, INT_PROPERTY_GLADE,
|
|
NULL);
|
|
gtk_builder_connect_signals (properties[i].builder, &properties[i]);
|
|
gtk_box_pack_start (PROPERTY_TO_VBOX,
|
|
GET_PROP_WIDGET (GTK_WIDGET, "int-property"), TRUE, TRUE, 2);
|
|
gtk_label_set_label (GET_PROP_WIDGET (GTK_LABEL, "label"),
|
|
properties[i].property_name);
|
|
if (properties[i].readonly)
|
|
gtk_widget_set_sensitive (GET_PROP_WIDGET (GTK_WIDGET, "set"), FALSE);
|
|
break;
|
|
case ENUM:
|
|
properties[i].src = self.src;
|
|
properties[i].builder = gtk_builder_new ();
|
|
#if !GTK_CHECK_VERSION (2, 24, 0)
|
|
gtk_builder_add_from_file (properties[i].builder,
|
|
"enum_property_gtk2.glade", NULL);
|
|
#else
|
|
gtk_builder_add_from_file (properties[i].builder, ENUM_PROPERTY_GLADE,
|
|
NULL);
|
|
#endif
|
|
gtk_builder_connect_signals (properties[i].builder, &properties[i]);
|
|
gtk_box_pack_start (PROPERTY_TO_VBOX,
|
|
GET_PROP_WIDGET (GTK_WIDGET, "enum-property"), TRUE, TRUE, 2);
|
|
gtk_label_set_label (GET_PROP_WIDGET (GTK_LABEL, "label"),
|
|
properties[i].property_name);
|
|
#if !GTK_CHECK_VERSION (2, 24, 0)
|
|
{
|
|
GtkComboBox *combo_box;
|
|
GtkCellRenderer *cell;
|
|
GtkListStore *store;
|
|
|
|
combo_box = GET_PROP_WIDGET ((GtkComboBox *), "value");
|
|
store = gtk_list_store_new (1, G_TYPE_STRING);
|
|
gtk_combo_box_set_model (combo_box, GTK_TREE_MODEL (store));
|
|
g_object_unref (store);
|
|
|
|
cell = gtk_cell_renderer_text_new ();
|
|
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), cell, TRUE);
|
|
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), cell,
|
|
"text", 0, NULL);
|
|
}
|
|
#endif
|
|
if (properties[i].readonly)
|
|
gtk_widget_set_sensitive (GET_PROP_WIDGET (GTK_WIDGET, "set"), FALSE);
|
|
break;
|
|
case BOOL:
|
|
properties[i].src = self.src;
|
|
properties[i].builder = gtk_builder_new ();
|
|
gtk_builder_add_from_file (properties[i].builder, BOOL_PROPERTY_GLADE,
|
|
NULL);
|
|
gtk_builder_connect_signals (properties[i].builder, &properties[i]);
|
|
gtk_box_pack_start (PROPERTY_TO_VBOX,
|
|
GET_PROP_WIDGET (GTK_WIDGET, "boolean-property"), TRUE, TRUE, 2);
|
|
gtk_label_set_label (GET_PROP_WIDGET (GTK_LABEL, "label"),
|
|
properties[i].property_name);
|
|
if (properties[i].readonly)
|
|
gtk_widget_set_sensitive (GET_PROP_WIDGET (GTK_WIDGET, "set"), FALSE);
|
|
break;
|
|
case NONE:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
probe_all_properties (FALSE);
|
|
get_all_properties ();
|
|
|
|
gtk_widget_show (window);
|
|
gtk_main ();
|
|
|
|
end:
|
|
g_object_unref (G_OBJECT (self.builder));
|
|
for (i = 0; i < G_N_ELEMENTS (properties); i++) {
|
|
if (properties[i].builder)
|
|
g_object_unref (G_OBJECT (properties[i].builder));
|
|
}
|
|
gst_element_set_state (self.bin, GST_STATE_NULL);
|
|
gst_object_unref (self.src);
|
|
gst_object_unref (self.identity);
|
|
gst_object_unref (self.vid_capsfilter);
|
|
gst_object_unref (self.vf_capsfilter);
|
|
gst_object_unref (self.bin);
|
|
|
|
return 0;
|
|
}
|