mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
#include <stdlib.h>
|
|
#include <gst/gst.h>
|
|
|
|
gboolean playing;
|
|
|
|
static void
|
|
object_saved (GstObject * object, xmlNodePtr parent, gpointer data)
|
|
{
|
|
xmlNodePtr child;
|
|
xmlNsPtr ns;
|
|
|
|
/* first see if the namespace is already known */
|
|
ns = xmlSearchNsByHref (parent->doc, parent,
|
|
"http://gstreamer.net/gst-test/1.0/");
|
|
if (ns == NULL) {
|
|
xmlNodePtr root = xmlDocGetRootElement (parent->doc);
|
|
|
|
/* add namespace to root node */
|
|
ns = xmlNewNs (root, "http://gstreamer.net/gst-test/1.0/", "test");
|
|
}
|
|
child = xmlNewChild (parent, ns, "comment", NULL);
|
|
|
|
xmlNewChild (child, NULL, "text", (gchar *) data);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GstElement *filesrc, *osssink, *queue, *queue2, *decode;
|
|
GstElement *pipeline;
|
|
GstElement *thread, *thread2;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc != 2) {
|
|
g_print ("usage: %s <filename>\n", argv[0]);
|
|
exit (-1);
|
|
}
|
|
|
|
/* create new threads to hold the elements */
|
|
thread = gst_element_factory_make ("thread", "thread");
|
|
g_assert (thread != NULL);
|
|
thread2 = gst_element_factory_make ("thread", "thread2");
|
|
g_assert (thread2 != NULL);
|
|
|
|
/* these signals will allow us to save custom tags with the gst xml output */
|
|
g_signal_connect (G_OBJECT (thread), "object_saved",
|
|
G_CALLBACK (object_saved), g_strdup ("decoder thread"));
|
|
g_signal_connect (G_OBJECT (thread2), "object_saved",
|
|
G_CALLBACK (object_saved), g_strdup ("render thread"));
|
|
|
|
/* create a new bin to hold the elements */
|
|
pipeline = gst_pipeline_new ("pipeline");
|
|
g_assert (pipeline != 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);
|
|
|
|
queue = gst_element_factory_make ("queue", "queue");
|
|
queue2 = gst_element_factory_make ("queue", "queue2");
|
|
|
|
/* and an audio sink */
|
|
osssink = gst_element_factory_make ("osssink", "play_audio");
|
|
g_assert (osssink != NULL);
|
|
|
|
decode = gst_element_factory_make ("mad", "decode");
|
|
g_assert (decode != NULL);
|
|
|
|
/* add objects to the main pipeline */
|
|
gst_bin_add (GST_BIN (pipeline), filesrc);
|
|
gst_bin_add (GST_BIN (pipeline), queue);
|
|
|
|
gst_bin_add (GST_BIN (thread), decode);
|
|
gst_bin_add (GST_BIN (thread), queue2);
|
|
|
|
gst_bin_add (GST_BIN (thread2), osssink);
|
|
|
|
gst_element_link_many (filesrc, queue, decode, queue2, osssink, NULL);
|
|
|
|
gst_bin_add (GST_BIN (pipeline), thread);
|
|
gst_bin_add (GST_BIN (pipeline), thread2);
|
|
|
|
/* write the bin to stdout */
|
|
gst_xml_write_file (GST_ELEMENT (pipeline), stdout);
|
|
|
|
/* write the bin to a file */
|
|
gst_xml_write_file (GST_ELEMENT (pipeline), fopen ("xmlTest.gst", "w"));
|
|
|
|
exit (0);
|
|
}
|