2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
24 #include <gstfakesink.h>
27 GstElementDetails gst_fakesink_details = {
30 "Black hole for data",
32 "Erik Walthinsen <omega@cse.ogi.edu>",
37 /* FakeSink signals and args */
51 GST_PADTEMPLATE_FACTORY (fakesink_sink_factory,
59 static void gst_fakesink_class_init (GstFakeSinkClass *klass);
60 static void gst_fakesink_init (GstFakeSink *fakesink);
62 static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const
65 static void gst_fakesink_set_property (GObject *object, guint prop_id,
66 const GValue *value, GParamSpec *pspec);
67 static void gst_fakesink_get_property (GObject *object, guint prop_id,
68 GValue *value, GParamSpec *pspec);
70 static void gst_fakesink_chain (GstPad *pad, GstBuffer *buf);
72 static GstElementClass *parent_class = NULL;
73 static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 };
76 gst_fakesink_get_type (void)
78 static GType fakesink_type = 0;
81 static const GTypeInfo fakesink_info = {
82 sizeof(GstFakeSinkClass), NULL,
84 (GClassInitFunc)gst_fakesink_class_init,
89 (GInstanceInitFunc)gst_fakesink_init,
91 fakesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFakeSink", &fakesink_info, 0);
97 gst_fakesink_class_init (GstFakeSinkClass *klass)
99 GObjectClass *gobject_class;
100 GstElementClass *gstelement_class;
102 gobject_class = (GObjectClass*)klass;
103 gstelement_class = (GstElementClass*)klass;
105 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
107 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUM_SINKS,
108 g_param_spec_int ("num_sinks", "num_sinks", "num_sinks",
109 1, G_MAXINT, 1, G_PARAM_READABLE));
110 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
111 g_param_spec_boolean ("silent", "silent", "silent",
112 FALSE, G_PARAM_READWRITE));
113 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP,
114 g_param_spec_boolean ("dump", "dump", "dump",
115 FALSE, G_PARAM_READWRITE));
117 gst_fakesink_signals[SIGNAL_HANDOFF] =
118 g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
119 G_STRUCT_OFFSET (GstFakeSinkClass, handoff), NULL, NULL,
120 g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
123 gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_fakesink_set_property);
124 gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_fakesink_get_property);
126 gstelement_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_fakesink_request_new_pad);
130 gst_fakesink_init (GstFakeSink *fakesink)
133 pad = gst_pad_new ("sink", GST_PAD_SINK);
134 gst_element_add_pad (GST_ELEMENT (fakesink), pad);
135 gst_pad_set_chain_function (pad, GST_DEBUG_FUNCPTR (gst_fakesink_chain));
137 fakesink->sinkpads = g_slist_prepend (NULL, pad);
138 fakesink->numsinkpads = 1;
139 fakesink->silent = FALSE;
140 fakesink->dump = FALSE;
144 gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused)
148 GstFakeSink *fakesink;
150 g_return_val_if_fail (GST_IS_FAKESINK (element), NULL);
152 if (templ->direction != GST_PAD_SINK) {
153 g_warning ("gstfakesink: request new pad that is not a SINK pad\n");
157 fakesink = GST_FAKESINK (element);
159 name = g_strdup_printf ("sink%d", fakesink->numsinkpads);
161 sinkpad = gst_pad_new_from_template (templ, name);
162 gst_element_add_pad (GST_ELEMENT (fakesink), sinkpad);
164 fakesink->sinkpads = g_slist_prepend (fakesink->sinkpads, sinkpad);
165 fakesink->numsinkpads++;
171 gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
175 /* it's not null if we got it, but it might not be ours */
176 sink = GST_FAKESINK (object);
180 sink->silent = g_value_get_boolean (value);
183 sink->dump = g_value_get_boolean (value);
191 gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
195 /* it's not null if we got it, but it might not be ours */
196 g_return_if_fail (GST_IS_FAKESINK (object));
198 sink = GST_FAKESINK (object);
202 g_value_set_int (value, sink->numsinkpads);
205 g_value_set_boolean (value, sink->silent);
208 g_value_set_boolean (value, sink->dump);
211 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
217 * gst_fakesink_chain:
218 * @pad: the pad this faksink is connected to
219 * @buffer: the buffer or event that has to be absorbed
221 * Take the buffer or event from the pad and unref it without doing
225 gst_fakesink_chain (GstPad *pad, GstBuffer *buf)
227 GstFakeSink *fakesink;
229 g_return_if_fail (pad != NULL);
230 g_return_if_fail (GST_IS_PAD (pad));
231 g_return_if_fail (buf != NULL);
233 fakesink = GST_FAKESINK (gst_pad_get_parent (pad));
235 if (GST_IS_EVENT(buf)) {
236 GstEvent *event = GST_EVENT (buf);
238 switch (GST_EVENT_TYPE (event)) {
240 g_print("fakesink: have EOS event!\n");
241 gst_element_set_state (GST_ELEMENT (fakesink), GST_STATE_PAUSED);
244 g_print("fakesink: have unhandled event!\n");
247 gst_event_free (event);
251 if (!fakesink->silent)
252 g_print("fakesink: chain ******* (%s:%s)< (%d bytes, %lld) %p\n",
253 GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf), buf);
255 g_signal_emit (G_OBJECT (fakesink), gst_fakesink_signals[SIGNAL_HANDOFF], 0, buf, pad);
259 gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
262 gst_buffer_unref (buf);
266 gst_fakesink_factory_init (GstElementFactory *factory)
268 gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (fakesink_sink_factory));