gstreamer/tools/gstreamer-launch.c
Wim Taymans 34f05211c2 Added object cleanup at the end of -launch, report all problems please.
Original commit message from CVS:
Added object cleanup at the end of -launch, report all problems
please.
2001-12-19 19:23:51 +00:00

224 lines
5 KiB
C

#include <glib.h>
#include <gst/gst.h>
#include <gst/gstparse.h>
#include <string.h>
#include <stdlib.h>
#include <gst/gstpropsprivate.h>
static int launch_argc;
static char **launch_argv;
#ifndef USE_GLIB2
GtkWidget *window;
GtkWidget *gtk_socket;
#endif
typedef void (*found_handler) (GstElement *element, gint xid, void *priv);
void
arg_search (GstBin *bin, gchar *argname, found_handler handler, void *priv)
{
GList *children;
gchar *ccargname;
ccargname = g_strdup_printf("::%s",argname);
children = gst_bin_get_list(bin);
#ifndef USE_GLIB2
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 {
GtkType type;
type = GTK_OBJECT_TYPE (child);
while (type != GTK_TYPE_INVALID) {
GtkArg *args;
guint32 *flags;
guint num_args,i;
args = gtk_object_query_args(type,&flags,&num_args);
for (i=0;i<num_args;i++) {
if (strstr(args[i].name,ccargname)) {
(handler)(child, gst_util_get_int_arg (GTK_OBJECT (child), argname) ,priv);
}
}
type = gtk_type_parent(type);
}
}
}
#endif
g_free(ccargname);
}
gboolean
idle_func (gpointer data)
{
if (!gst_bin_iterate (GST_BIN (data))) {
gst_main_quit ();
g_print ("iteration ended\n");
return FALSE;
}
return TRUE;
}
void
handle_have_size (GstElement *element,int width,int height)
{
#ifndef USE_GLIB2
gtk_widget_set_usize(gtk_socket,width,height);
gtk_widget_show_all(window);
#endif
}
void
xid_handler (GstElement *element, gint xid, void *priv)
{
#ifndef USE_GLIB2
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_socket = gtk_socket_new ();
gtk_widget_show(gtk_socket);
gtk_container_add(GTK_CONTAINER(window),gtk_socket);
gtk_widget_realize(gtk_socket);
gtk_socket_steal (GTK_SOCKET (gtk_socket), xid);
gtk_object_set(GTK_OBJECT(window),"allow_grow",TRUE,NULL);
gtk_object_set(GTK_OBJECT(window),"allow_shrink",TRUE,NULL);
gtk_signal_connect (GTK_OBJECT (element), "have_size",
GTK_SIGNAL_FUNC (handle_have_size), element);
#endif
}
static void
print_props (gpointer data, gpointer user_data)
{
GstPropsEntry *entry = (GstPropsEntry *)data;
GstElement *element = GST_ELEMENT (user_data);
g_print ("%s: %s :", gst_element_get_name (element),
g_quark_to_string (entry->propid));
switch (entry->propstype) {
case GST_PROPS_INT_ID:
g_print ("%d\n", entry->data.int_data);
break;
case GST_PROPS_STRING_ID:
g_print ("%s\n", entry->data.string_data.string);
break;
case GST_PROPS_FLOAT_ID:
g_print ("%f\n", entry->data.float_data);
break;
default:
g_print ("unknown\n");
}
}
static void
event_func (GstElement *element, GstEvent *event)
{
GstProps *props;
if (event == NULL)
return;
if (GST_EVENT_TYPE (event) == GST_EVENT_INFO) {
props = GST_EVENT_INFO_PROPS (event);
g_list_foreach (props->properties, print_props, GST_EVENT_SRC (event));
}
}
int
main(int argc, char *argv[])
{
GstElement *pipeline;
char **argvn;
gchar *cmdline;
int i;
gboolean save_pipeline = FALSE;
gboolean run_pipeline = TRUE;
gchar *savefile = "";
free (malloc (8)); /* -lefence */
gst_init (&argc, &argv);
if (argc >= 3 && !strcmp(argv[1], "-o")) {
save_pipeline = TRUE;
run_pipeline = FALSE;
savefile = argv[2];
argv[2] = argv[0];
argv+=2;
argc-=2;
}
launch_argc = argc;
launch_argv = argv;
pipeline = gst_pipeline_new ("launch");
g_signal_connect (G_OBJECT (pipeline), "event", G_CALLBACK (event_func), NULL);
/* make a null-terminated version of argv */
argvn = g_new0 (char *,argc);
memcpy (argvn, argv+1, sizeof (char*) * (argc-1));
/* escape spaces */
for (i=0; i<argc-1; i++) {
gchar **split;
split = g_strsplit (argvn[i], " ", 0);
argvn[i] = g_strjoinv ("\\ ", split);
g_strfreev (split);
}
/* join the argvs together */
cmdline = g_strjoinv (" ", argvn);
/* free the null-terminated argv */
g_free (argvn);
/* fail if there are no pipes in it (needs pipes for a pipeline */
if (!strchr(cmdline,'!')) {
fprintf(stderr,"ERROR: no pipeline description found on commandline\n");
exit(1);
}
if (gst_parse_launch (cmdline, GST_BIN (pipeline)) < 0){
fprintf(stderr,"ERROR: pipeline description could not be parsed\n");
exit(1);
}
#ifndef GST_DISABLE_LOADSAVE
if (save_pipeline) {
xmlSaveFile (savefile, gst_xml_write (pipeline));
}
#endif
if (run_pipeline) {
arg_search(GST_BIN(pipeline),"xid",xid_handler,NULL);
fprintf(stderr,"RUNNING pipeline\n");
if (gst_element_set_state (pipeline, GST_STATE_PLAYING) != GST_STATE_SUCCESS) {
fprintf(stderr,"pipeline doesn't want to play\n");
exit (-1);
}
g_idle_add (idle_func, pipeline);
gst_main ();
gst_element_set_state (pipeline, GST_STATE_NULL);
}
gst_object_unref (GST_OBJECT (pipeline));
return 0;
}