gstreamer/tools/gstreamer-guilaunch.c
Steve Baker 813d84543a 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
2001-09-22 12:22:23 +00:00

350 lines
10 KiB
C

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