mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-12 19:36:38 +00:00
74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
#include <stdlib.h>
|
|
#include <gst/gst.h>
|
|
|
|
gboolean playing = TRUE;
|
|
|
|
static void
|
|
handoff_signal (GstElement * element, GstBuffer * buf)
|
|
{
|
|
g_print ("handoff \"%s\" %" G_GINT64_FORMAT "\n",
|
|
gst_element_get_name (element), GST_BUFFER_TIMESTAMP (buf));
|
|
}
|
|
|
|
static void
|
|
eos_signal (GstElement * element)
|
|
{
|
|
g_print ("eos received from \"%s\"\n", gst_element_get_name (element));
|
|
|
|
playing = FALSE;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GstBin *pipeline;
|
|
GstElement *src, *tee, *identity1, *identity2, *aggregator, *sink;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
pipeline = GST_BIN (gst_pipeline_new ("pipeline"));
|
|
g_return_val_if_fail (pipeline != NULL, 1);
|
|
|
|
src = gst_element_factory_make ("fakesrc", "src");
|
|
g_object_set (G_OBJECT (src), "num_buffers", 40, NULL);
|
|
g_return_val_if_fail (src != NULL, 2);
|
|
tee = gst_element_factory_make ("tee", "tee");
|
|
g_return_val_if_fail (tee != NULL, 3);
|
|
identity1 = gst_element_factory_make ("identity", "identity0");
|
|
g_return_val_if_fail (identity1 != NULL, 3);
|
|
identity2 = gst_element_factory_make ("identity", "identity1");
|
|
g_object_set (G_OBJECT (identity2), "duplicate", 2, NULL);
|
|
g_object_set (G_OBJECT (identity2), "loop_based", TRUE, NULL);
|
|
g_return_val_if_fail (identity2 != NULL, 3);
|
|
aggregator = gst_element_factory_make ("aggregator", "aggregator");
|
|
g_object_set (G_OBJECT (aggregator), "sched", 4, NULL);
|
|
g_return_val_if_fail (aggregator != NULL, 3);
|
|
sink = gst_element_factory_make ("fakesink", "sink");
|
|
g_return_val_if_fail (sink != NULL, 4);
|
|
|
|
gst_bin_add_many (pipeline, src, tee, identity1, identity2, aggregator, sink,
|
|
NULL);
|
|
|
|
gst_element_link_pads (src, "src", tee, "sink");
|
|
gst_pad_link (gst_element_get_request_pad (tee, "src%d"),
|
|
gst_element_get_pad (identity1, "sink"));
|
|
gst_pad_link (gst_element_get_request_pad (tee, "src%d"),
|
|
gst_element_get_pad (identity2, "sink"));
|
|
gst_pad_link (gst_element_get_pad (identity1, "src"),
|
|
gst_element_get_request_pad (aggregator, "sink%d"));
|
|
gst_pad_link (gst_element_get_pad (identity2, "src"),
|
|
gst_element_get_request_pad (aggregator, "sink%d"));
|
|
gst_element_link_pads (aggregator, "src", sink, "sink");
|
|
|
|
g_signal_connect (G_OBJECT (src), "eos", G_CALLBACK (eos_signal), NULL);
|
|
g_signal_connect (G_OBJECT (sink), "handoff",
|
|
G_CALLBACK (handoff_signal), NULL);
|
|
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
|
|
|
|
while (gst_bin_iterate (pipeline));
|
|
|
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
|
|
|
|
exit (0);
|
|
}
|