mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 18:39:54 +00:00
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
#include <gst/gst.h>
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
GstElement *fakesrc, *fakesink1, *fakesink2, *pipe1, *pipe2;
|
|
|
|
gst_init(&argc, &argv);
|
|
|
|
if (argc!=1) {
|
|
g_print("usage: %s\n", argv[0]);
|
|
exit(-1);
|
|
}
|
|
|
|
fakesrc = gst_elementfactory_make("fakesrc", "fakesrc");
|
|
fakesink1 = gst_elementfactory_make("fakesink", "fakesink1");
|
|
fakesink2 = gst_elementfactory_make("fakesink", "fakesink2");
|
|
pipe1 = gst_pipeline_new("pipe1");
|
|
pipe2 = gst_pipeline_new("pipe2");
|
|
|
|
// make the first pipeline
|
|
gst_bin_add (GST_BIN(pipe1), fakesrc);
|
|
gst_bin_add (GST_BIN(pipe1), fakesink1);
|
|
gst_element_connect(fakesrc, "src", fakesink1, "sink");
|
|
|
|
// initialize cothreads
|
|
gst_element_set_state(pipe1, GST_STATE_PLAYING);
|
|
gst_element_set_state(pipe1, GST_STATE_READY);
|
|
|
|
// destroy the fakesink, but keep fakesrc (its state is GST_STATE_READY)
|
|
gst_element_disconnect(fakesrc, "src", fakesink1, "sink");
|
|
gst_object_ref(GST_OBJECT(fakesrc));
|
|
gst_bin_remove(GST_BIN(pipe1), fakesrc);
|
|
gst_bin_remove(GST_BIN(pipe1), fakesink1);
|
|
|
|
// make a new pipeline
|
|
gst_bin_add (GST_BIN(pipe2), fakesink2);
|
|
|
|
// change the new pipeline's state to READY (is this necessary?)
|
|
gst_element_set_state(pipe2, GST_STATE_READY);
|
|
gst_bin_add (GST_BIN(pipe2), fakesrc);
|
|
gst_element_connect(fakesrc, "src", fakesink2, "sink");
|
|
|
|
// show the pipeline state
|
|
xmlDocDump(stdout, gst_xml_write(pipe2));
|
|
|
|
// try to iterate the pipeline
|
|
gst_element_set_state(pipe2, GST_STATE_PLAYING);
|
|
gst_bin_iterate(GST_BIN(pipe2));
|
|
gst_element_set_state(pipe2, GST_STATE_NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|