gstreamer/tests/old/examples/autoplug/autoplug.c

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#include <gst/gst.h>
#include <gnome.h>
static gboolean playing;
/* eos will be called when the src element has an end of stream */
void eos(GstElement *src)
{
g_print("have eos, quitting\n");
playing = FALSE;
}
gboolean idle_func(gpointer data) {
gst_bin_iterate(GST_BIN(data));
return TRUE;
}
int main(int argc,char *argv[])
{
GstElement *disksrc, *audiosink, *videosink;
GstElement *pipeline;
GtkWidget *appwindow;
if (argc != 2) {
g_print("usage: %s <filename>\n", argv[0]);
exit(-1);
}
g_thread_init(NULL);
gst_init(&argc,&argv);
gnome_init("autoplug","0.0.1", argc,argv);
/* create a new bin 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);
gtk_signal_connect(GTK_OBJECT(disksrc),"eos",
GTK_SIGNAL_FUNC(eos),NULL);
/* and an audio sink */
audiosink = gst_elementfactory_make("audiosink", "play_audio");
g_assert(audiosink != 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);
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);
/* add objects to the main pipeline */
gst_pipeline_add_src(GST_PIPELINE(pipeline), disksrc);
gst_pipeline_add_sink(GST_PIPELINE(pipeline), audiosink);
gst_pipeline_add_sink(GST_PIPELINE(pipeline), videosink);
if (!gst_pipeline_autoplug(GST_PIPELINE(pipeline))) {
g_print("unable to handle stream\n");
exit(-1);
}
/* make it ready */
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_READY);
/* start playing */
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PLAYING);
playing = TRUE;
gtk_idle_add(idle_func, pipeline);
gst_main();
/* stop the bin */
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL);
gst_pipeline_destroy(pipeline);
exit(0);
}