gstreamer/tests/old/examples/queue/queue.c

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#include <stdlib.h>
#include <gst/gst.h>
int
main (int argc, char *argv[])
{
GstElement *filesrc, *osssink, *parse, *decode, *queue;
GstElement *bin;
GstElement *thread;
gst_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <filename>\n", argv[0]);
exit (-1);
}
/* create a new thread to hold the elements */
thread = gst_thread_new ("thread");
g_assert (thread != NULL);
/* create a new bin to hold the elements */
bin = gst_bin_new ("bin");
g_assert (bin != NULL);
/* create a disk reader */
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc != NULL);
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
parse = gst_element_factory_make ("mp3parse", "parse");
decode = gst_element_factory_make ("mpg123", "decode");
queue = gst_element_factory_make ("queue", "queue");
/* and an audio sink */
osssink = gst_element_factory_make ("osssink", "play_audio");
g_assert (osssink != NULL);
/* add objects to the main pipeline */
gst_bin_add_many (GST_BIN (bin), filesrc, parse, decode, queue, NULL);
gst_bin_add (GST_BIN (thread), osssink);
gst_bin_add (GST_BIN (bin), thread);
gst_element_link_many (filesrc, parse, decode, queue, osssink, NULL);
/* start playing */
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (bin)));
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
exit (0);
}