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#include <gst/gst.h>
#include <gnome.h>
static void
autoplug_have_size (GstElement *element, guint width, guint height,
GtkWidget *socket)
{
gtk_widget_set_usize(socket,width,height);
}
static void
gst_play_have_type (GstElement *typefind, GstCaps *caps, GstElement *pipeline)
{
GstElement *osssink, *videosink;
GtkWidget *appwindow;
GstElement *new_element;
GstAutoplug *autoplug;
GtkWidget *socket;
GstElement *autobin;
GstElement *disksrc;
GstElement *cache;
GST_DEBUG (0,"GstPipeline: play have type\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
disksrc = gst_bin_get_by_name (GST_BIN (pipeline), "disk_source");
autobin = gst_bin_get_by_name (GST_BIN (pipeline), "autobin");
cache = gst_bin_get_by_name (GST_BIN (autobin), "cache");
// disconnect the typefind from the pipeline and remove it
gst_element_disconnect (cache, "src", typefind, "sink");
gst_bin_remove (GST_BIN (autobin), typefind);
/* and an audio sink */
osssink = gst_elementfactory_make("osssink", "play_audio");
g_assert(osssink != NULL);
/* and an video sink */
videosink = gst_elementfactory_make("xvideosink", "play_video");
g_assert(videosink != NULL);
autoplug = gst_autoplugfactory_make ("staticrender");
g_assert (autoplug != NULL);
new_element = gst_autoplug_to_renderers (autoplug,
caps,
videosink,
osssink,
NULL);
if (!new_element) {
g_print ("could not autoplug, no suitable codecs found...\n");
exit (-1);
}
gst_element_set_name (new_element, "new_element");
gst_bin_add (GST_BIN (autobin), new_element);
gtk_object_set (GTK_OBJECT (cache), "reset", TRUE, NULL);
gst_element_connect (cache, "src", new_element, "sink");
appwindow = gnome_app_new ("autoplug demo","autoplug demo");
socket = gtk_socket_new ();
gtk_widget_show (socket);
gnome_app_set_contents (GNOME_APP (appwindow),
GTK_WIDGET (socket));
gtk_widget_realize (socket);
gtk_socket_steal (GTK_SOCKET (socket),
gst_util_get_int_arg (GTK_OBJECT (videosink), "xid"));
gtk_widget_set_usize(socket,320,240);
gtk_widget_show_all (appwindow);
gtk_signal_connect (GTK_OBJECT (videosink), "have_size",
GTK_SIGNAL_FUNC (autoplug_have_size), socket);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
xmlSaveFile("xmlTest.gst", gst_xml_write (GST_ELEMENT (pipeline)));
}
gboolean
idle_func (gpointer data)
{
return gst_bin_iterate (GST_BIN (data));
}
static void
gst_play_cache_empty (GstElement *element, GstElement *pipeline)
{
GstElement *autobin;
GstElement *disksrc;
GstElement *cache;
GstElement *new_element;
fprintf (stderr, "have cache empty\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
disksrc = gst_bin_get_by_name (GST_BIN (pipeline), "disk_source");
autobin = gst_bin_get_by_name (GST_BIN (pipeline), "autobin");
cache = gst_bin_get_by_name (GST_BIN (autobin), "cache");
new_element = gst_bin_get_by_name (GST_BIN (autobin), "new_element");
gst_element_disconnect (disksrc, "src", cache, "sink");
gst_element_disconnect (cache, "src", new_element, "sink");
gst_bin_remove (GST_BIN (autobin), cache);
gst_element_connect (disksrc, "src", new_element, "sink");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
fprintf (stderr, "done with cache_empty\n");
}
int main(int argc,char *argv[])
{
GstElement *disksrc;
GstElement *pipeline;
GstElement *autobin;
GstElement *typefind;
GstElement *cache;
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 pipeline to hold the elements */
pipeline = gst_pipeline_new("pipeline");
g_assert(pipeline != 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 (pipeline), disksrc);
autobin = gst_bin_new ("autobin");
cache = gst_elementfactory_make ("autoplugcache", "cache");
gtk_signal_connect (GTK_OBJECT (cache), "cache_empty", GTK_SIGNAL_FUNC (gst_play_cache_empty), pipeline);
typefind = gst_elementfactory_make ("typefind", "typefind");
gtk_signal_connect (GTK_OBJECT (typefind), "have_type", GTK_SIGNAL_FUNC (gst_play_have_type), pipeline);
gst_bin_add (GST_BIN (autobin), cache);
gst_bin_add (GST_BIN (autobin), typefind);
gst_element_connect (cache, "src", typefind, "sink");
gst_element_add_ghost_pad (autobin, gst_element_get_pad (cache, "sink"), "sink");
gst_bin_add (GST_BIN( pipeline), autobin);
gst_element_connect (disksrc, "src", autobin, "sink");
/* start playing */
gst_element_set_state( GST_ELEMENT (pipeline), GST_STATE_PLAYING);
gtk_idle_add (idle_func, pipeline);
gst_main ();
/* stop the pipeline */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
gst_object_unref (GST_OBJECT (pipeline));
exit(0);
}
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