gstreamer/test/qtest.c

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#include <glib.h>
#include <gst/gst.h>
#include <gst/elements/gstqueue.h>
extern gboolean _gst_plugin_spew;
/* we don't need a lock around the application's state yet, since it's 1
bit. as it gets more fleshed in, we'll need a lock so the callbacks
don't screw around with state unexpectedly */
static gboolean playing = TRUE;
void eof(GstElement *src) {
GST_DEBUG(0,"have EOF\n");
playing = FALSE;
}
int main(int argc,char *argv[]) {
GstElement *pipeline;
GstElement *decodethread;
GstElementFactory *srcfactory;
GstElement *src;
GstElementFactory *decodefactory;
GstElement *decode;
GstElementFactory *queuefactory;
GstElement *queue;
GstElement *playthread;
GstElementFactory *sinkfactory;
GstElement *sink;
gst_init(&argc,&argv);
/* first create the main pipeline */
pipeline = GST_ELEMENT(gst_pipeline_new("pipeline"));
/* then the decode thread, source, and decoder */
decodethread = gst_thread_new("decodethread");
srcfactory = gst_elementfactory_find("asyncdisksrc");
src = gst_elementfactory_create(srcfactory,"src");
gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
gst_bin_add(GST_BIN(decodethread),GST_ELEMENT(src));
_gst_plugin_spew = TRUE;
if (argc > 2)
gst_plugin_load(argv[2]);
else
gst_plugin_load_all();
decodefactory = gst_elementfactory_find("mpg123");
decode = gst_elementfactory_create(decodefactory,"decode");
gst_bin_add(GST_BIN(decodethread),GST_ELEMENT(decode));
gst_element_add_ghost_pad(GST_ELEMENT(decodethread),
gst_element_get_pad(decode,"src"));
gst_pad_connect(gst_element_get_pad(src,"src"),
gst_element_get_pad(decode,"sink"));
/* then the play thread and sink */
playthread = gst_thread_new("playthread");
sinkfactory = gst_elementfactory_find("audiosink");
sink = gst_elementfactory_create(sinkfactory,"sink");
gst_bin_add(GST_BIN(playthread),GST_ELEMENT(sink));
gst_element_add_ghost_pad(GST_ELEMENT(playthread),
gst_element_get_pad(sink,"sink"));
/* create the queue */
queuefactory = gst_elementfactory_find("queue");
queue = gst_elementfactory_create(queuefactory,"queue");
/* add threads to the main pipeline */
gst_bin_add(GST_BIN(pipeline),decodethread);
gst_bin_add(GST_BIN(pipeline),queue);
gst_bin_add(GST_BIN(pipeline),playthread);
gst_pad_connect(gst_element_get_pad(decodethread,"src"),
// gst_element_get_pad(queue,"sink"));
// gst_pad_connect(gst_element_get_pad(queue,"src"),
gst_element_get_pad(playthread,"sink"));
gtk_signal_connect(GTK_OBJECT(src),"eof",
GTK_SIGNAL_FUNC(eof),NULL);
g_print("\nsetting up the decode thread to *NOT* thread\n");
// gtk_object_set(GTK_OBJECT(decodethread),"create_thread",TRUE,NULL);
gtk_object_set(GTK_OBJECT(playthread),"create_thread",FALSE,NULL);
g_print("\neverything's built, setting it up to be runnable\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
g_print("\nok, runnable, hitting 'play'...\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
g_print("\niterating on %p and %p\n",decodethread,playthread);
while (playing) {
gst_bin_iterate(GST_BIN(playthread));
/* buffers got wedged in the queue, unstick them */
// while (((GstQueue *)queue)->buffers_queued)
// gst_connection_push(GST_CONNECTION(queue));
// gst_thread_iterate(GST_THREAD(playthread));
// g_print("stuffed and unstuck the queue\n");
// sleep(1);
}
return 0;
}