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.
27 #include "gstfdsink.h"
30 GST_DEBUG_CATEGORY (gst_fdsink_debug);
31 #define GST_CAT_DEFAULT gst_fdsink_debug
33 GstElementDetails gst_fdsink_details = {
34 "Filedescriptor Sink",
37 "Write data to a file descriptor",
39 "Erik Walthinsen <omega@cse.ogi.edu>",
44 /* FdSink signals and args */
56 static void gst_fdsink_class_init (GstFdSinkClass *klass);
57 static void gst_fdsink_init (GstFdSink *fdsink);
59 static void gst_fdsink_set_property (GObject *object, guint prop_id,
60 const GValue *value, GParamSpec *pspec);
61 static void gst_fdsink_get_property (GObject *object, guint prop_id,
62 GValue *value, GParamSpec *pspec);
64 static void gst_fdsink_chain (GstPad *pad,GstBuffer *buf);
66 static GstElementClass *parent_class = NULL;
67 /*static guint gst_fdsink_signals[LAST_SIGNAL] = { 0 };*/
70 gst_fdsink_get_type (void)
72 static GType fdsink_type = 0;
75 static const GTypeInfo fdsink_info = {
76 sizeof(GstFdSinkClass), NULL,
78 (GClassInitFunc)gst_fdsink_class_init,
83 (GInstanceInitFunc)gst_fdsink_init,
85 fdsink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFdSink", &fdsink_info, 0);
91 gst_fdsink_class_init (GstFdSinkClass *klass)
93 GObjectClass *gobject_class;
95 gobject_class = (GObjectClass*)klass;
97 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
99 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FD,
100 g_param_spec_int ("fd", "fd", "An open file descriptor to write to",
101 0, G_MAXINT, 1, G_PARAM_READWRITE));
103 gobject_class->set_property = gst_fdsink_set_property;
104 gobject_class->get_property = gst_fdsink_get_property;
108 gst_fdsink_init (GstFdSink *fdsink)
110 fdsink->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
111 gst_element_add_pad (GST_ELEMENT (fdsink), fdsink->sinkpad);
112 gst_pad_set_chain_function (fdsink->sinkpad, gst_fdsink_chain);
118 gst_fdsink_chain (GstPad *pad, GstBuffer *buf)
122 g_return_if_fail (pad != NULL);
123 g_return_if_fail (GST_IS_PAD (pad));
124 g_return_if_fail (buf != NULL);
126 fdsink = GST_FDSINK (gst_pad_get_parent (pad));
128 g_return_if_fail (fdsink->fd >= 0);
130 if (GST_BUFFER_DATA (buf)) {
131 GST_DEBUG ("writing %d bytes to file descriptor %d",GST_BUFFER_SIZE (buf), fdsink->fd);
132 write (fdsink->fd, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
135 gst_buffer_unref (buf);
139 gst_fdsink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
143 /* it's not null if we got it, but it might not be ours */
144 g_return_if_fail (GST_IS_FDSINK (object));
146 fdsink = GST_FDSINK (object);
150 fdsink->fd = g_value_get_int (value);
158 gst_fdsink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
162 /* it's not null if we got it, but it might not be ours */
163 g_return_if_fail (GST_IS_FDSINK (object));
165 fdsink = GST_FDSINK (object);
169 g_value_set_int (value, fdsink->fd);