gstreamer/testsuite/threads/thread.c

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#include <gst/gst.h>
void
usage (void)
{
g_print ("usage: thread <testnum> \n"
" available testnums: \n"
" 1: stress test state change \n"
" 2: iterate once \n"
" 3: iterate twice \n"
" 4: state change while running \n"
" 5: state change in thread context\n");
}
static void
construct_pipeline (GstElement *pipeline)
{
GstElement *src, *sink, *queue, *identity, *thread;
src = gst_element_factory_make ("fakesrc", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
identity = gst_element_factory_make ("identity", NULL);
queue = gst_element_factory_make ("queue", NULL);
thread = gst_element_factory_make ("thread", NULL);
gst_element_connect_many (src, queue, identity, sink, NULL);
gst_bin_add_many (GST_BIN (pipeline), src, queue, thread, NULL);
gst_bin_add_many (GST_BIN (thread), identity, sink, NULL);
g_object_set (G_OBJECT (src), "num_buffers", 5, NULL);
}
void
change_state (GstElement *element, GstBuffer *buf, GstElement *pipeline)
{
gst_element_set_state (pipeline, GST_STATE_NULL);
}
gint
main (gint argc, gchar *argv[])
{
GstElement *pipeline;
gint testnum;
gst_init (&argc, &argv);
if (argc < 2) {
usage();
return 0;
}
testnum = atoi (argv[1]);
pipeline = gst_pipeline_new ("main_pipeline");
construct_pipeline (pipeline);
if (testnum == 1) {
g_print ("stress test state changes...\n");
g_print ("NULL\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
g_print ("READY\n");
gst_element_set_state (pipeline, GST_STATE_READY);
g_print ("NULL\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
g_print ("PAUSED\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
g_print ("READY\n");
gst_element_set_state (pipeline, GST_STATE_READY);
g_print ("PAUSED\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
g_print ("PLAYING\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* element likely hits EOS and does a state transition to PAUSED */
g_print ("READY\n");
gst_element_set_state (pipeline, GST_STATE_READY);
g_print ("NULL\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
}
if (testnum == 2 || testnum == 3) {
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_print ("running ...\n");
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_NULL);
}
if (testnum == 3) {
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_print ("running2 ...\n");
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_NULL);
}
if (testnum == 4) {
gint run;
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_print ("running3 ...\n");
for (run = 0; run < 3; run++) {
gst_bin_iterate (GST_BIN (pipeline));
}
gst_element_set_state (pipeline, GST_STATE_NULL);
}
if (testnum == 5) {
GstElement *sink;
sink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
g_signal_connect (G_OBJECT (sink), "handoff", G_CALLBACK (change_state), pipeline);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_print ("running3 ...\n");
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_NULL);
}
return 0;
}