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#include <gst/gst.h>
#include <gnome.h>
static void
gst_play_have_type (GstElement *sink, GstElement *sink2, gpointer data)
{
GST_DEBUG (0,"GstPipeline: play have type %p\n", (gboolean *)data);
*(gboolean *)data = TRUE;
}
gboolean idle_func(gpointer data) {
return gst_bin_iterate(GST_BIN(data));
}
static GstCaps*
gst_play_typefind (GstBin *bin, GstElement *element)
{
gboolean found = FALSE;
GstElement *typefind;
GstCaps *caps = NULL;
GST_DEBUG (0,"GstPipeline: typefind for element \"%s\" %p\n",
GST_ELEMENT_NAME(element), &found);
typefind = gst_elementfactory_make ("typefind", "typefind");
g_return_val_if_fail (typefind != NULL, FALSE);
gtk_signal_connect (GTK_OBJECT (typefind), "have_type",
GTK_SIGNAL_FUNC (gst_play_have_type), &found);
gst_pad_connect (gst_element_get_pad (element, "src"),
gst_element_get_pad (typefind, "sink"));
gst_bin_add (bin, typefind);
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
// push a buffer... the have_type signal handler will set the found flag
gst_bin_iterate (bin);
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
gst_pad_disconnect (gst_element_get_pad (element, "src"),
gst_element_get_pad (typefind, "sink"));
gst_bin_remove (bin, typefind);
gst_object_unref (GST_OBJECT (typefind));
return caps;
}
int main(int argc,char *argv[])
{
GstElement *disksrc, *osssink, *videosink;
GstElement *bin;
GtkWidget *appwindow;
GstCaps *srccaps;
GstElement *new_element;
GstAutoplug *autoplug;
g_thread_init(NULL);
gst_init(&argc,&argv);
gnome_init("autoplug","0.0.1", argc,argv);
if (argc != 2) {
g_print("usage: %s <filename>\n", argv[0]);
exit(-1);
}
/* create a new bin to hold the elements */
bin = gst_bin_new("bin");
g_assert(bin != NULL);
/* create a disk reader */
disksrc = gst_elementfactory_make("disksrc", "disk_source");
g_assert(disksrc != NULL);
gtk_object_set(GTK_OBJECT(disksrc),"location", argv[1],NULL);
gst_bin_add (GST_BIN (bin), disksrc);
srccaps = gst_play_typefind (GST_BIN (bin), disksrc);
if (!srccaps) {
g_print ("could not autoplug, unknown media type...\n");
exit (-1);
}
/* and an audio sink */
osssink = gst_elementfactory_make("osssink", "play_audio");
g_assert(osssink != NULL);
/* and an video sink */
videosink = gst_elementfactory_make("videosink", "play_video");
g_assert(videosink != NULL);
gtk_object_set(GTK_OBJECT(videosink),"xv_enabled", FALSE,NULL);
autoplug = gst_autoplugfactory_make ("staticrender");
g_assert (autoplug != NULL);
new_element = gst_autoplug_to_renderers (autoplug,
srccaps,
videosink,
osssink,
NULL);
if (!new_element) {
g_print ("could not autoplug, no suitable codecs found...\n");
exit (-1);
}
gst_bin_add (GST_BIN (bin), new_element);
gst_element_connect (disksrc, "src", new_element, "sink");
appwindow = gnome_app_new("autoplug demo","autoplug demo");
gnome_app_set_contents(GNOME_APP(appwindow),
gst_util_get_widget_arg(GTK_OBJECT(videosink),"widget"));
gtk_widget_show_all(appwindow);
xmlSaveFile("xmlTest.gst", gst_xml_write(GST_ELEMENT(bin)));
/* start playing */
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
gtk_idle_add(idle_func, bin);
gst_main();
/* stop the bin */
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
gst_pipeline_destroy(bin);
exit(0);
}
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