gstreamer/tests/examples/launch/mp3parselaunch.c
Stefan Kost 461fd8d82d tests: clean up eventloop in examples
Don't leak the bus. Don't parse messages with the method for errors (triggers
gobject warning).
2010-08-05 10:31:50 +03:00

86 lines
1.9 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <gst/gst.h>
static void
event_loop (GstElement * pipe)
{
GstBus *bus;
GstMessage *message = NULL;
gboolean running = TRUE;
bus = gst_element_get_bus (GST_ELEMENT (pipe));
while (running) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
g_assert (message != NULL);
switch (message->type) {
case GST_MESSAGE_EOS:
running = FALSE;
break;
case GST_MESSAGE_WARNING:{
GError *gerror;
gchar *debug;
gst_message_parse_warning (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
g_error_free (gerror);
g_free (debug);
break;
}
case GST_MESSAGE_ERROR:{
GError *gerror;
gchar *debug;
gst_message_parse_error (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
g_error_free (gerror);
g_free (debug);
running = FALSE;
break;
}
default:
break;
}
gst_message_unref (message);
}
gst_object_unref (bus);
}
int
main (int argc, char *argv[])
{
GstElement *bin;
GstElement *filesrc;
GError *error = NULL;
gst_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <mp3 file>\n", argv[0]);
exit (-1);
}
bin = (GstElement *)
gst_parse_launch ("filesrc name=my_filesrc ! mad ! osssink", &error);
if (!bin) {
fprintf (stderr, "Parse error: %s", error->message);
exit (-1);
}
filesrc = gst_bin_get_by_name (GST_BIN (bin), "my_filesrc");
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
/* start playing */
gst_element_set_state (bin, GST_STATE_PLAYING);
/* Run event loop listening for bus messages until EOS or ERROR */
event_loop (bin);
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
exit (0);
}