| #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); |
| } |