From 89f16c31e9a43bd634e2931ef6fed64787756901 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@gmail.com>
Date: Mon, 25 Oct 2004 17:43:51 +0000
Subject: examples/seeking/: Added some more examples, update others.

Original commit message from CVS:
* examples/seeking/Makefile.am:
* examples/seeking/cdplayer.c: (update_scale):
* examples/seeking/chained.c: (unlinked), (new_pad), (main):
* examples/seeking/playbin.c: (make_playerbin_pipeline),
(format_value), (update_scale), (iterate), (start_seek),
(stop_seek), (print_media_info), (play_cb), (pause_cb), (stop_cb),
(print_usage), (main):
Added some more examples, update others.
---
 examples/seeking/chained.c | 104 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 examples/seeking/chained.c

(limited to 'examples/seeking/chained.c')

diff --git a/examples/seeking/chained.c b/examples/seeking/chained.c
new file mode 100644
index 00000000..5bd0e12d
--- /dev/null
+++ b/examples/seeking/chained.c
@@ -0,0 +1,104 @@
+#include <stdlib.h>
+#include <gst/gst.h>
+#include <string.h>
+
+static GstElement *bin;
+
+static void
+unlinked (GstPad * pad, GstPad * peerpad, GstElement * pipeline)
+{
+  gst_element_set_state (pipeline, GST_STATE_PAUSED);
+  gst_bin_remove (GST_BIN (pipeline), bin);
+  gst_element_set_state (bin, GST_STATE_READY);
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+}
+
+static void
+new_pad (GstElement * elem, GstPad * newpad, GstElement * pipeline)
+{
+  GstScheduler *sched;
+  GstClock *clock;
+
+  g_print ("new pad %s\n", gst_pad_get_name (newpad));
+
+  gst_element_set_state (pipeline, GST_STATE_PAUSED);
+  gst_bin_add (GST_BIN (pipeline), bin);
+
+  sched = gst_element_get_scheduler (GST_ELEMENT (pipeline));
+  clock = gst_scheduler_get_clock (sched);
+  gst_scheduler_set_clock (sched, clock);
+
+  gst_pad_link (newpad, gst_element_get_pad (bin, "sink"));
+
+  g_signal_connect (G_OBJECT (newpad), "unlinked", G_CALLBACK (unlinked),
+      pipeline);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+}
+
+int
+main (int argc, char **argv)
+{
+  GstElement *pipeline;
+  GstElement *filesrc;
+  GstElement *oggdemux;
+  GstElement *vorbisdec;
+  GstElement *audioconvert;
+  GstElement *osssink;
+
+  gst_init (&argc, &argv);
+
+  if (argc < 2) {
+    g_print ("usage: %s <oggfile>\n", argv[0]);
+    return (-1);
+  }
+
+  pipeline = gst_pipeline_new ("pipeline");
+
+  filesrc = gst_element_factory_make ("filesrc", "filesrc");
+  g_assert (filesrc);
+  g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
+
+  oggdemux = gst_element_factory_make ("oggdemux", "oggdemux");
+  g_assert (oggdemux);
+
+  gst_bin_add (GST_BIN (pipeline), filesrc);
+  gst_bin_add (GST_BIN (pipeline), oggdemux);
+
+  gst_element_link_pads (filesrc, "src", oggdemux, "sink");
+
+  g_signal_connect (G_OBJECT (oggdemux), "new_pad", G_CALLBACK (new_pad),
+      pipeline);
+
+  bin = gst_bin_new ("bin");
+  vorbisdec = gst_element_factory_make ("vorbisdec", "vorbisdec");
+  g_assert (vorbisdec);
+  audioconvert = gst_element_factory_make ("audioconvert", "audioconvert");
+  g_assert (audioconvert);
+  osssink = gst_element_factory_make ("osssink", "osssink");
+  g_assert (osssink);
+  gst_bin_add (GST_BIN (bin), vorbisdec);
+  gst_bin_add (GST_BIN (bin), audioconvert);
+  gst_bin_add (GST_BIN (bin), osssink);
+
+  gst_element_link_pads (vorbisdec, "src", audioconvert, "sink");
+  gst_element_link_pads (audioconvert, "src", osssink, "sink");
+
+  gst_element_add_ghost_pad (bin, gst_element_get_pad (vorbisdec, "sink"),
+      "sink");
+
+  g_object_ref (G_OBJECT (bin));
+
+  g_signal_connect (pipeline, "deep_notify",
+      G_CALLBACK (gst_element_default_deep_notify), NULL);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  while (gst_bin_iterate (GST_BIN (pipeline)))
+    /* nop */ ;
+
+  /* stop probe */
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  return 0;
+}
-- 
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