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f8e79bdf86
Original commit message from CVS: 2005-06-28 Andy Wingo <wingo@pobox.com> * *.c: Don't cast to GST_OBJECT when reffing or unreffing. Large source-munging commit!!!
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/* GStreamer
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* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <unistd.h>
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#include <gst/gst.h>
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static gboolean empty;
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static gboolean bug;
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static gboolean handoff;
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static GstElement *pipeline2;
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static void
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queue_empty (GstElement * element)
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{
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g_print ("queue empty\n");
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if (!handoff)
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bug = TRUE;
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}
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static void
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queue_filled (GstElement * element)
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{
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g_print ("queue filled\n");
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empty = FALSE;
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/* read from the other end */
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handoff = FALSE;
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bug = FALSE;
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alarm (5);
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g_print ("emptying queue with 5 second timeout...\n");
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while (!bug && !handoff) {
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gst_bin_iterate (GST_BIN (pipeline2));
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}
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}
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static void
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handoff_identity (GstElement * element)
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{
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g_print ("identity handoff\n");
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handoff = TRUE;
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}
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gint
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main (gint argc, gchar ** argv)
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{
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GstElement *pipeline, *src, *sink, *queue, *id;
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gst_init (&argc, &argv);
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g_print ("setting up...\n");
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/* setup pipeline */
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pipeline = gst_element_factory_make ("pipeline", NULL);
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g_assert (pipeline);
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src = gst_element_factory_make ("fakesrc", NULL);
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g_assert (src);
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queue = gst_element_factory_make ("queue", NULL);
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g_assert (queue);
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g_signal_connect (G_OBJECT (queue), "overrun", (GCallback) queue_filled,
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NULL);
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g_signal_connect (G_OBJECT (queue), "underrun", (GCallback) queue_empty,
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NULL);
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gst_bin_add_many (GST_BIN (pipeline), src, queue, NULL);
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gst_element_link_pads (src, "src", queue, "sink");
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/* second pipeline for sinks */
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pipeline2 = gst_element_factory_make ("pipeline", NULL);
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g_assert (pipeline2);
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id = gst_element_factory_make ("identity", NULL);
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g_assert (id);
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g_signal_connect (G_OBJECT (id), "handoff", (GCallback) handoff_identity,
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NULL);
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sink = gst_element_factory_make ("fakesink", NULL);
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g_assert (sink);
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gst_bin_add_many (GST_BIN (pipeline2), id, sink, NULL);
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gst_element_link_pads (queue, "src", id, "sink");
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gst_element_link_pads (id, "src", sink, "sink");
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if (gst_element_set_state (pipeline, GST_STATE_PLAYING) != GST_STATE_SUCCESS)
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g_assert_not_reached ();
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if (gst_element_set_state (pipeline2, GST_STATE_PLAYING) != GST_STATE_SUCCESS)
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g_assert_not_reached ();
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g_print ("running...\n");
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/* fill queue */
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empty = TRUE;
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while (empty) {
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gst_bin_iterate (GST_BIN (pipeline));
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}
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g_assert (!bug);
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if (gst_element_set_state (pipeline2, GST_STATE_READY) != GST_STATE_SUCCESS)
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g_assert_not_reached ();
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g_print ("relinking...\n");
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/* now unlink and link id and sink */
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gst_element_unlink_pads (id, "src", sink, "sink");
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gst_element_link_pads (id, "src", sink, "sink");
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if (gst_element_set_state (pipeline2, GST_STATE_PLAYING) != GST_STATE_SUCCESS)
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g_assert_not_reached ();
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g_print ("running again...\n");
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/* fill queue */
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empty = TRUE;
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while (empty) {
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gst_bin_iterate (GST_BIN (pipeline));
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}
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g_assert (!bug);
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/* trigger the bug */
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g_print ("cleaning up...\n");
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gst_object_unref (pipeline);
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gst_object_unref (pipeline2);
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src = id = sink = pipeline = pipeline2 = NULL;
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g_print ("done.\n");
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return 0;
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}
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