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