mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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8974d7b71f
Original commit message from CVS: revert patch to dynamic-pipeline and document more fully
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
#include <gst/gst.h>
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/* This test will fail because it tries to allocate two cothread_context's in
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* one thread. This will cause a segfault. This is a problem with gstreamer's
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* cothreading that is fixed in the newer cothreads package.
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*/
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int main (int argc, char *argv[])
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{
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GstElement *fakesrc, *fakesink1, *fakesink2, *pipe1, *pipe2;
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gst_init(&argc, &argv);
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if (argc!=1) {
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g_print("usage: %s\n", argv[0]);
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exit(-1);
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}
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fakesrc = gst_element_factory_make("fakesrc", "fakesrc");
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fakesink1 = gst_element_factory_make("fakesink", "fakesink1");
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fakesink2 = gst_element_factory_make("fakesink", "fakesink2");
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/* a crucial part of this test (and one that the old cothreads fails on) is
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having two active pipelines in the same thread. */
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pipe1 = gst_pipeline_new("pipe1");
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pipe2 = gst_pipeline_new("pipe2");
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/* make the first pipeline */
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gst_bin_add (GST_BIN(pipe1), fakesrc);
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gst_bin_add (GST_BIN(pipe1), fakesink1);
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gst_element_connect_pads (fakesrc, "src", fakesink1, "sink");
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/* initialize cothreads */
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gst_element_set_state(pipe1, GST_STATE_PLAYING);
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gst_bin_iterate (GST_BIN (pipe1));
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gst_element_set_state(pipe1, GST_STATE_READY);
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/* destroy the fakesink, but keep fakesrc (its state is GST_STATE_READY) */
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gst_element_disconnect_pads (fakesrc, "src", fakesink1, "sink");
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gst_object_ref(GST_OBJECT(fakesrc));
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gst_bin_remove(GST_BIN(pipe1), fakesrc);
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gst_bin_remove(GST_BIN(pipe1), fakesink1);
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gst_object_unref (GST_OBJECT (pipe1));
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/* make a new pipeline */
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gst_bin_add (GST_BIN(pipe2), fakesink2);
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/* don't change the new pipeline's state, it should change on the bin_add */
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gst_bin_add (GST_BIN(pipe2), fakesrc);
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gst_element_connect_pads (fakesrc, "src", fakesink2, "sink");
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/* show the pipeline state */
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gst_xml_write_file (GST_ELEMENT (pipe2), stdout);
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/* try to iterate the pipeline */
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gst_element_set_state(pipe2, GST_STATE_PLAYING);
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gst_bin_iterate(GST_BIN(pipe2));
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gst_element_set_state(pipe2, GST_STATE_NULL);
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return 0;
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}
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