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 */
53 GST_PAD_TEMPLATE_FACTORY (fakesink_sink_factory,
61 static void gst_fakesink_class_init (GstFakeSinkClass *klass);
62 static void gst_fakesink_init (GstFakeSink *fakesink);
64 static void gst_fakesink_set_clock (GstElement *element, GstClock *clock);
65 static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const
68 static void gst_fakesink_set_property (GObject *object, guint prop_id,
69 const GValue *value, GParamSpec *pspec);
70 static void gst_fakesink_get_property (GObject *object, guint prop_id,
71 GValue *value, GParamSpec *pspec);
73 static void gst_fakesink_chain (GstPad *pad, GstBuffer *buf);
75 static GstElementClass *parent_class = NULL;
76 static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 };
79 gst_fakesink_get_type (void)
81 static GType fakesink_type = 0;
84 static const GTypeInfo fakesink_info = {
85 sizeof(GstFakeSinkClass), NULL,
87 (GClassInitFunc)gst_fakesink_class_init,
92 (GInstanceInitFunc)gst_fakesink_init,
94 fakesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFakeSink", &fakesink_info, 0);
100 gst_fakesink_class_init (GstFakeSinkClass *klass)
102 GObjectClass *gobject_class;
103 GstElementClass *gstelement_class;
105 gobject_class = (GObjectClass*)klass;
106 gstelement_class = (GstElementClass*)klass;
108 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
110 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUM_SINKS,
111 g_param_spec_int ("num_sinks", "Number of sinks", "The number of sinkpads",
112 1, G_MAXINT, 1, G_PARAM_READABLE));
113 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LAST_MESSAGE,
114 g_param_spec_string ("last_message", "last_message", "last_message",
115 NULL, G_PARAM_READABLE));
116 g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SYNC,
117 g_param_spec_boolean("sync","Sync","Sync on the clock",
118 FALSE, G_PARAM_READWRITE)); /* CHECKME */
120 gst_element_class_install_std_props (
121 GST_ELEMENT_CLASS (klass),
122 "silent", ARG_SILENT, G_PARAM_READWRITE,
123 "dump", ARG_DUMP, G_PARAM_READWRITE,
126 gst_fakesink_signals[SIGNAL_HANDOFF] =
127 g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
128 G_STRUCT_OFFSET (GstFakeSinkClass, handoff), NULL, NULL,
129 g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
132 gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_fakesink_set_property);
133 gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_fakesink_get_property);
135 gstelement_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_fakesink_request_new_pad);
139 gst_fakesink_init (GstFakeSink *fakesink)
142 pad = gst_pad_new ("sink", GST_PAD_SINK);
143 gst_element_add_pad (GST_ELEMENT (fakesink), pad);
144 gst_pad_set_chain_function (pad, GST_DEBUG_FUNCPTR (gst_fakesink_chain));
146 fakesink->silent = FALSE;
147 fakesink->dump = FALSE;
148 fakesink->sync = FALSE;
149 fakesink->last_message = NULL;
151 GST_ELEMENT (fakesink)->setclockfunc = gst_fakesink_set_clock;
155 gst_fakesink_set_clock (GstElement *element, GstClock *clock)
159 sink = GST_FAKESINK (element);
165 gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused)
169 GstFakeSink *fakesink;
171 g_return_val_if_fail (GST_IS_FAKESINK (element), NULL);
173 if (templ->direction != GST_PAD_SINK) {
174 g_warning ("gstfakesink: request new pad that is not a SINK pad\n");
178 fakesink = GST_FAKESINK (element);
180 name = g_strdup_printf ("sink%d", GST_ELEMENT (fakesink)->numsinkpads);
182 sinkpad = gst_pad_new_from_template (templ, name);
183 gst_element_add_pad (GST_ELEMENT (fakesink), sinkpad);
189 gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
193 /* it's not null if we got it, but it might not be ours */
194 sink = GST_FAKESINK (object);
198 sink->silent = g_value_get_boolean (value);
201 sink->dump = g_value_get_boolean (value);
204 sink->sync = g_value_get_boolean (value);
212 gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
216 /* it's not null if we got it, but it might not be ours */
217 g_return_if_fail (GST_IS_FAKESINK (object));
219 sink = GST_FAKESINK (object);
223 g_value_set_int (value, GST_ELEMENT (sink)->numsinkpads);
226 g_value_set_boolean (value, sink->silent);
229 g_value_set_boolean (value, sink->dump);
232 g_value_set_boolean (value, sink->sync);
234 case ARG_LAST_MESSAGE:
235 g_value_set_string (value, sink->last_message);
238 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
244 gst_fakesink_chain (GstPad *pad, GstBuffer *buf)
246 GstFakeSink *fakesink;
248 g_return_if_fail (pad != NULL);
249 g_return_if_fail (GST_IS_PAD (pad));
250 g_return_if_fail (buf != NULL);
252 fakesink = GST_FAKESINK (gst_pad_get_parent (pad));
254 if (fakesink->sync) {
255 gst_element_clock_wait (GST_ELEMENT (fakesink), fakesink->clock, GST_BUFFER_TIMESTAMP (buf));
258 if (!fakesink->silent) {
259 g_free (fakesink->last_message);
261 fakesink->last_message = g_strdup_printf ("chain ******* (%s:%s)< (%d bytes, %lld) %p",
262 GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf), buf);
264 g_object_notify (G_OBJECT (fakesink), "last_message");
267 g_signal_emit (G_OBJECT (fakesink), gst_fakesink_signals[SIGNAL_HANDOFF], 0, buf, pad);
269 if (fakesink->dump) {
270 gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
273 gst_buffer_unref (buf);
277 gst_fakesink_factory_init (GstElementFactory *factory)
279 gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (fakesink_sink_factory));