gstreamer/tests/examples/queue/queue.c
Stefan Kost 7c17de8f03 applied some simple fixing to some examples re-enabled the working examples
Original commit message from CVS:
* configure.ac:
* docs/random/ensonic/media-device-daemon.txt:
* tests/examples/controller/.cvsignore:
* tests/examples/controller/Makefile.am:
* tests/examples/controller/audio-example.c: (main):
* tests/examples/helloworld/.cvsignore:
* tests/examples/helloworld/Makefile.am:
* tests/examples/helloworld/helloworld.c: (event_loop), (main):
* tests/examples/launch/.cvsignore:
* tests/examples/launch/Makefile.am:
* tests/examples/launch/mp3parselaunch.c: (event_loop), (main):
* tests/examples/metadata/.cvsignore:
* tests/examples/metadata/Makefile.am:
* tests/examples/metadata/read-metadata.c: (message_loop),
(make_pipeline), (print_tag), (main):
* tests/examples/queue/.cvsignore:
* tests/examples/queue/Makefile.am:
* tests/examples/queue/queue.c: (event_loop), (main):
* tests/examples/typefind/.cvsignore:
* tests/examples/typefind/Makefile.am:
* tests/examples/typefind/typefind.c: (type_found), (event_loop),
(main):
* tests/examples/xml/.cvsignore:
* tests/examples/xml/Makefile.am:
* tests/examples/xml/createxml.c: (object_saved), (main):
* tests/examples/xml/runxml.c: (xml_loaded), (event_loop), (main):
* tests/old/examples/Makefile.am:
* tests/old/examples/TODO:
* tests/old/examples/controller/.cvsignore:
* tests/old/examples/controller/Makefile.am:
* tests/old/examples/controller/audio-example.c:
* tests/old/examples/helloworld/.cvsignore:
* tests/old/examples/helloworld/Makefile.am:
* tests/old/examples/helloworld/helloworld.c:
* tests/old/examples/launch/.cvsignore:
* tests/old/examples/launch/Makefile.am:
* tests/old/examples/launch/mp3parselaunch.c:
* tests/old/examples/launch/mp3play:
* tests/old/examples/manual/Makefile.am:
* tests/old/examples/metadata/Makefile.am:
* tests/old/examples/metadata/read-metadata.c:
* tests/old/examples/queue/.cvsignore:
* tests/old/examples/queue/Makefile.am:
* tests/old/examples/queue/queue.c:
* tests/old/examples/typefind/.cvsignore:
* tests/old/examples/typefind/Makefile.am:
* tests/old/examples/typefind/typefind.c:
* tests/old/examples/xml/.cvsignore:
* tests/old/examples/xml/Makefile.am:
* tests/old/examples/xml/createxml.c:
* tests/old/examples/xml/runxml.c:
applied some simple fixing to some examples
re-enabled the working examples
2005-12-12 14:02:18 +00:00

94 lines
2.3 KiB
C

#include <stdlib.h>
#include <gst/gst.h>
/* This example uses the queue element to create a buffer between 2 elements.
* The scheduler automatically uses 2 threads, 1 to feed and another to consume
* data from the queue buffer
*/
/* Event loop to listen to events posted on the GstBus from the pipeline. Exits
* on EOS or ERROR events
*/
static void
event_loop (GstElement * pipe)
{
GstBus *bus;
GstMessage *message = NULL;
bus = gst_element_get_bus (GST_ELEMENT (pipe));
while (TRUE) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
g_assert (message != NULL);
switch (message->type) {
case GST_MESSAGE_EOS:
gst_message_unref (message);
return;
case GST_MESSAGE_WARNING:
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);
gst_message_unref (message);
g_error_free (gerror);
g_free (debug);
return;
}
default:
gst_message_unref (message);
break;
}
}
}
int
main (int argc, char *argv[])
{
GstElement *filesrc, *audiosink, *decode, *queue;
GstElement *pipeline;
gst_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <filename>\n", argv[0]);
exit (-1);
}
/* create a new pipeline 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);
decode = gst_element_factory_make ("mad", "decode");
g_assert (decode != NULL);
queue = gst_element_factory_make ("queue", "queue");
g_assert (queue != NULL);
/* and an audio sink */
audiosink = gst_element_factory_make ("alsasink", "play_audio");
g_assert (audiosink != NULL);
/* add objects to the main pipeline */
gst_bin_add_many (GST_BIN (pipeline), filesrc, decode, queue, audiosink,
NULL);
gst_element_link_many (filesrc, decode, queue, audiosink, NULL);
/* start playing */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* Listen for EOS */
event_loop (pipeline);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
exit (0);
}