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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
#include <gst/gst.h>
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/* threadc.c
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* this tests if we can make a GstThread, with enough cothreads to stress it
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*/
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#define MAX_IDENTITIES 29
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#define RUNS_PER_IDENTITY 5
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gboolean running = FALSE;
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gboolean done = FALSE;
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static void
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construct_pipeline (GstElement *pipeline, gint identities)
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{
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GstElement *src, *sink, *identity = NULL;
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GstElement *from;
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int i;
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src = gst_element_factory_make ("fakesrc", NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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g_assert (src);
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g_assert (sink);
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gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
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from = src;
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for (i = 0; i < identities; ++i)
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{
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identity = gst_element_factory_make ("identity", NULL);
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g_assert (identity);
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gst_bin_add (GST_BIN (pipeline), identity);
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gst_element_link (from, identity);
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from = identity;
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}
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gst_element_link (identity, sink);
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g_object_set (G_OBJECT (src), "num_buffers", 10, "sizetype", 3, NULL);
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}
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void
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state_changed (GstElement *el, gint arg1, gint arg2, gpointer user_data)
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{
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GstElementState state = gst_element_get_state (el);
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g_print ("element %s has changed state to %s\n",
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GST_ELEMENT_NAME (el),
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gst_element_state_get_name (state));
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if (state == GST_STATE_PLAYING) running = TRUE;
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/* if we move from PLAYING to PAUSED, we're done */
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if (state == GST_STATE_PAUSED && running)
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done = TRUE;
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}
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int
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main (gint argc, gchar *argv[])
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{
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int runs = MAX_IDENTITIES * RUNS_PER_IDENTITY;
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int i;
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gulong id;
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GstElement *thread;
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gst_init (&argc, &argv);
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for (i = 0; i < runs; ++i)
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{
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thread = gst_thread_new ("main_thread");
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g_assert (thread);
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/* connect state change signal */
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id = g_signal_connect (G_OBJECT (thread), "state_change",
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G_CALLBACK (state_changed), NULL);
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construct_pipeline (thread, i / RUNS_PER_IDENTITY + 1);
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g_print ("Setting thread to play with %d identities\n",
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i / RUNS_PER_IDENTITY + 1);
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done = FALSE;
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if (gst_element_set_state (thread, GST_STATE_PLAYING) == GST_STATE_FAILURE) {
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g_warning ("failed to go to PLAYING");
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}
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else {
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g_print ("Waiting for thread PLAYING->PAUSED\n");
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while (!done) /* do nothing */;
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}
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running = FALSE;
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g_print ("Coming out of the main GStreamer loop\n");
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g_signal_handler_disconnect (G_OBJECT (thread), id);
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gst_element_set_state (thread, GST_STATE_NULL);
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g_print ("Unreffing thread\n");
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g_object_unref (G_OBJECT (thread));
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}
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return 0;
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}
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