mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-09 09:39:27 +00:00
new gui tool to launch pipelines in the same vein as gstreamer-launch. try it out, it rocks
Original commit message from CVS: new gui tool to launch pipelines in the same vein as gstreamer-launch. try it out, it rocks
This commit is contained in:
Steve Baker
parent
726c75db98
commit
813d84543a
1
tools/.gitignore
vendored
1
tools/.gitignore
vendored
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@ -11,4 +11,5 @@ gstreamer-register
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gstreamer-inspect
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gstreamer-compprep
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gstreamer-complete
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gstreamer-guilaunch
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*.xml
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@ -5,7 +5,14 @@ else
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GST_REGISTRY_SRC = gstreamer-register
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endif
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if USE_GLIB2
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GST_GUI_LAUNCH =
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else
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GST_GUI_LAUNCH = gstreamer-guilaunch
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endif
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bin_PROGRAMS = gstreamer-launch \
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$(GST_GUI_LAUNCH) \
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$(GST_REGISTRY_SRC) \
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gstreamer-inspect \
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gstreamer-compprep \
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350
tools/gstreamer-guilaunch.c
Normal file
350
tools/gstreamer-guilaunch.c
Normal file
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@ -0,0 +1,350 @@
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <glib.h>
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#include <gtk/gtk.h>
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#include <gst/gst.h>
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GtkWidget *start_but, *pause_but, *parse_but, *status;
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GtkWidget *window;
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GstElement *pipeline;
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typedef void (*found_handler) (GstElement *element, gint xid, void *priv);
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static gint quit_live(GtkWidget *window, GdkEventAny *e, gpointer data) {
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gtk_main_quit();
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return FALSE;
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}
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gboolean
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idle_func (gpointer data)
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{
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return gst_bin_iterate (GST_BIN (pipeline));
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}
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void
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load_history(GtkWidget *pipe_combo)
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{
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int history_fd;
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struct stat statbuf;
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gchar *map, *current, *next, *entry;
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gchar *history_filename;
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gint num_entries = 0, entries_limit = 50;
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GList *history = NULL;
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FILE *history_file;
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history_filename = g_strdup_printf("%s/.gstreamer-guilaunch.history", g_get_home_dir());
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if ((history_fd = open(history_filename, O_RDONLY)) > -1){
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fstat(history_fd, &statbuf);
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map = mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, history_fd, 0);
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// scan it once to find out how many entries there are
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current = map;
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while (current){
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if ((next = strstr(current, "\n"))){
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num_entries++;
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current = next + 1;
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}
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else {
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current = NULL;
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}
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}
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current = map;
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while (current){
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if ((next = strstr(current, "\n"))){
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// show entries_limit of the newest entries
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if (num_entries-- < entries_limit){
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entry = g_strndup(current, next - current);
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history = g_list_prepend(history, entry);
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}
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current = next + 1;
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}
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else {
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current = NULL;
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}
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}
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close(history_fd);
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munmap(map, statbuf.st_size);
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}
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gtk_combo_set_popdown_strings(GTK_COMBO(pipe_combo), history);
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history_file = fopen(history_filename, "a");
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if (history_file == NULL){
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perror("couldn't open history file");
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}
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gtk_object_set_data(GTK_OBJECT(pipe_combo), "history", history);
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gtk_object_set_data(GTK_OBJECT(pipe_combo), "history_file", history_file);
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}
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void
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debug_toggle_callback(GtkWidget *widget, gpointer mode_ptr){
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guint32 debug_mode = GPOINTER_TO_INT(mode_ptr);
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))){
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gst_info_enable_category(debug_mode);
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gst_debug_enable_category(debug_mode);
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}
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else {
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gst_info_disable_category(debug_mode);
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gst_debug_disable_category(debug_mode);
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}
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}
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void
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debug_select_callback(GtkWidget *widget, GSList *debug_list)
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{
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gchar *name = gtk_object_get_data(GTK_OBJECT(widget), "name");
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gboolean select = (strstr(name, "deselect all") == NULL);
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while (debug_list){
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(debug_list->data), select);
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debug_list = g_slist_next(debug_list);
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}
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}
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void
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build_debug_page(GtkWidget *notebook)
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{
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guint32 debug_mode;
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GtkWidget *debug_box, *debug_buts, *debug_but, *scrolled;
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GSList *debug_list = NULL;
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scrolled = gtk_scrolled_window_new(NULL,NULL);
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debug_box = gtk_vbox_new(TRUE, 0);
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debug_buts = gtk_hbox_new(TRUE, 0);
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gtk_box_pack_start(GTK_BOX(debug_box),debug_buts,TRUE,TRUE,0);
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gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), debug_box);
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
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gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled, gtk_label_new("Debug"));
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for (debug_mode = 0 ; (debug_mode < GST_CAT_MAX_CATEGORY) &&
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(gst_get_category_name(debug_mode) != NULL); debug_mode++){
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GtkWidget *debug_enable = gtk_check_button_new_with_label (gst_get_category_name(debug_mode));
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debug_list = g_slist_append(debug_list, debug_enable);
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gtk_box_pack_start(GTK_BOX(debug_box),debug_enable,TRUE,TRUE,0);
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gtk_signal_connect (GTK_OBJECT (debug_enable), "toggled",
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GTK_SIGNAL_FUNC (debug_toggle_callback), GINT_TO_POINTER(debug_mode));
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}
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debug_but = gtk_button_new_with_label("select all");
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gtk_box_pack_start(GTK_BOX(debug_buts),debug_but,TRUE,TRUE,0);
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gtk_object_set_data(GTK_OBJECT(debug_but), "name", "select all");
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gtk_signal_connect (GTK_OBJECT (debug_but), "clicked",
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GTK_SIGNAL_FUNC (debug_select_callback), debug_list);
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debug_but = gtk_button_new_with_label("deselect all");
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gtk_box_pack_start(GTK_BOX(debug_buts),debug_but,TRUE,TRUE,0);
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gtk_object_set_data(GTK_OBJECT(debug_but), "name", "deselect all");
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gtk_signal_connect (GTK_OBJECT (debug_but), "clicked",
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GTK_SIGNAL_FUNC (debug_select_callback), debug_list);
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}
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void
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arg_search (GstBin *bin, gchar *argname, found_handler handler, void *priv)
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{
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GList *children;
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GValue *value;
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GParamSpec **property_specs;
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value = g_new0(GValue,1);
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g_value_init (value, G_TYPE_INT);
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children = gst_bin_get_list(bin);
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while (children) {
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GstElement *child;
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child = GST_ELEMENT (children->data);
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children = g_list_next (children);
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if (GST_IS_BIN (child)) arg_search (GST_BIN (child), argname, handler, priv);
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else {
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gint num_properties,i;
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property_specs = g_object_class_list_properties(G_OBJECT_GET_CLASS (child), &num_properties);
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for (i=0;i<num_properties;i++) {
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if (strstr(property_specs[i]->name,argname)) {
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g_object_get_property(G_OBJECT(child),argname,value);
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(handler)(child, g_value_get_int(value) ,priv);
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}
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}
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}
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}
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g_free(value);
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}
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void
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handle_have_size (GstElement *element,int width,int height)
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{
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g_print("setting window size\n");
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gtk_widget_set_usize(GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(element), "gtk_socket")),width,height);
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gtk_widget_show_all(GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(element), "vid_window")));
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}
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void
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xid_handler (GstElement *element, gint xid, void *priv)
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{
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GtkWidget *gtk_socket, *vid_window;
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g_print("handling xid %d\n", xid);
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vid_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_socket = gtk_socket_new ();
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gtk_widget_show(gtk_socket);
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gtk_container_add(GTK_CONTAINER(vid_window),gtk_socket);
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gtk_widget_realize(gtk_socket);
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gtk_socket_steal (GTK_SOCKET (gtk_socket), xid);
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gtk_object_set(GTK_OBJECT(vid_window),"allow_grow",TRUE,NULL);
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gtk_object_set(GTK_OBJECT(vid_window),"allow_shrink",TRUE,NULL);
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gtk_signal_connect (GTK_OBJECT (element), "have_size",
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GTK_SIGNAL_FUNC (handle_have_size), element);
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gtk_object_set_data(GTK_OBJECT(element), "vid_window", vid_window);
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gtk_object_set_data(GTK_OBJECT(element), "gtk_socket", gtk_socket);
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}
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void
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parse_callback( GtkWidget *widget,
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GtkWidget *pipe_combo)
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{
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GList *history = (GList*)gtk_object_get_data(GTK_OBJECT(pipe_combo), "history");
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FILE *history_file = (FILE*)gtk_object_get_data(GTK_OBJECT(pipe_combo), "history_file");
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gchar *try_pipe = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(pipe_combo)->entry));
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gchar *write_pipe = g_strdup_printf("%s\n", try_pipe);
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fwrite(write_pipe, sizeof(gchar), strlen(write_pipe), history_file);
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fflush(history_file);
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if (pipeline){
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g_print("unreffing\n");
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gst_object_unref (GST_OBJECT (pipeline));
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}
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g_print ("trying pipeline: %s\n", try_pipe);
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pipeline = gst_pipeline_new ("launch");
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gst_parse_launch (try_pipe, GST_BIN (pipeline));
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gtk_widget_set_sensitive(GTK_WIDGET(start_but), TRUE);
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history = g_list_prepend(history, try_pipe);
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gtk_combo_set_popdown_strings(GTK_COMBO(pipe_combo), history);
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g_free(write_pipe);
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}
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void
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start_callback( GtkWidget *widget,
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gpointer data )
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{
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GtkWidget *pipe_combo = gtk_object_get_data(GTK_OBJECT(widget), "pipe_combo");
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gchar *try_pipe = gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(pipe_combo)->entry));
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))){
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gtk_widget_set_sensitive(GTK_WIDGET(pause_but), TRUE);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pause_but), FALSE);
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gtk_widget_set_sensitive(GTK_WIDGET(parse_but), FALSE);
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gtk_widget_set_sensitive(GTK_WIDGET(pipe_combo), FALSE);
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gtk_label_set_text(GTK_LABEL(status), "playing");
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arg_search(GST_BIN(pipeline),"xid",xid_handler,NULL);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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g_idle_add(idle_func,pipeline);
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}
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else {
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gtk_widget_set_sensitive(GTK_WIDGET(pause_but), FALSE);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pause_but), FALSE);
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gtk_widget_set_sensitive(GTK_WIDGET(parse_but), TRUE);
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gtk_widget_set_sensitive(GTK_WIDGET(pipe_combo), TRUE);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gtk_label_set_text(GTK_LABEL(status), "stopped");
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g_idle_remove_by_data(pipeline);
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}
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}
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void
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pause_callback( GtkWidget *widget,
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gpointer data )
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{
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if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))){
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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gtk_label_set_text(GTK_LABEL(status), "paused");
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}
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else {
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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gtk_label_set_text(GTK_LABEL(status), "playing");
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}
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}
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int main(int argc,char *argv[]) {
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GtkWidget *window;
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GtkWidget *vbox;
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GtkWidget *parse_line, *pipe_combo, *notebook;
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gst_init(&argc,&argv);
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/***** set up the GUI *****/
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window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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g_signal_connect(window,"delete_event",GTK_SIGNAL_FUNC(quit_live),NULL);
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vbox = gtk_vbox_new(FALSE,0);
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gtk_container_add(GTK_CONTAINER(window),vbox);
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parse_line = gtk_hbox_new(FALSE, 3);
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gtk_box_pack_start(GTK_BOX(vbox),parse_line,FALSE,FALSE,0);
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pipe_combo = gtk_combo_new();
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gtk_combo_set_value_in_list(GTK_COMBO(pipe_combo), FALSE, FALSE);
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load_history(pipe_combo);
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parse_but = gtk_button_new_with_label("Parse");
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gtk_box_pack_start(GTK_BOX(parse_line),pipe_combo,TRUE,TRUE,0);
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gtk_box_pack_start(GTK_BOX(parse_line),parse_but,FALSE,FALSE,0);
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start_but = gtk_toggle_button_new_with_label("Play");
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pause_but = gtk_toggle_button_new_with_label("Pause");
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gtk_box_pack_start(GTK_BOX(parse_line),start_but,FALSE,FALSE,0);
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gtk_box_pack_start(GTK_BOX(parse_line),pause_but,FALSE,FALSE,0);
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gtk_widget_set_sensitive(GTK_WIDGET(start_but), FALSE);
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gtk_widget_set_sensitive(GTK_WIDGET(pause_but), FALSE);
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gtk_signal_connect (GTK_OBJECT (start_but), "clicked",
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GTK_SIGNAL_FUNC (start_callback), NULL);
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gtk_signal_connect (GTK_OBJECT (pause_but), "clicked",
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GTK_SIGNAL_FUNC (pause_callback), NULL);
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gtk_signal_connect (GTK_OBJECT (parse_but), "clicked",
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GTK_SIGNAL_FUNC (parse_callback), pipe_combo);
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gtk_object_set_data(GTK_OBJECT(start_but), "pipe_combo", pipe_combo);
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notebook = gtk_notebook_new();
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gtk_box_pack_start(GTK_BOX(vbox),notebook,TRUE,TRUE,0);
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build_debug_page(notebook);
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status = gtk_label_new("stopped");
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gtk_box_pack_start(GTK_BOX(vbox),status,FALSE,FALSE,0);
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gtk_widget_show_all(window);
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gtk_main();
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return 0;
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}
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