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.
25 #include "gstdisksink.h"
28 GstElementDetails gst_disksink_details = {
33 "Thomas <thomas@apestaart.org>",
38 /* DiskSink signals and args */
56 static void gst_disksink_class_init (GstDiskSinkClass *klass);
57 static void gst_disksink_init (GstDiskSink *disksink);
59 static void gst_disksink_set_arg (GtkObject *object, GtkArg *arg, guint id);
60 static void gst_disksink_get_arg (GtkObject *object, GtkArg *arg, guint id);
62 static void gst_disksink_chain (GstPad *pad,GstBuffer *buf);
64 static GstElementClass *parent_class = NULL;
65 static guint gst_disksink_signals[LAST_SIGNAL] = { 0 };
68 gst_disksink_get_type (void)
70 static GtkType disksink_type = 0;
73 static const GtkTypeInfo disksink_info = {
76 sizeof(GstDiskSinkClass),
77 (GtkClassInitFunc)gst_disksink_class_init,
78 (GtkObjectInitFunc)gst_disksink_init,
79 (GtkArgSetFunc)gst_disksink_set_arg,
80 (GtkArgGetFunc)gst_disksink_get_arg,
81 (GtkClassInitFunc)NULL, /* QUESTION : why null ? otherwise coredump */
83 disksink_type = gtk_type_unique (GST_TYPE_ELEMENT, &disksink_info);
89 gst_disksink_class_init (GstDiskSinkClass *klass)
91 GtkObjectClass *gtkobject_class;
93 gtkobject_class = (GtkObjectClass*)klass;
95 parent_class = gtk_type_class (GST_TYPE_ELEMENT);
98 gtk_object_add_arg_type ("GstDiskSink::location", GST_TYPE_FILENAME,
99 GTK_ARG_READWRITE, ARG_LOCATION);
101 gtk_object_add_arg_type ("GstDiskSink::silent", GTK_TYPE_BOOL,
102 GTK_ARG_READWRITE, ARG_SILENT);
104 gtk_object_add_arg_type ("GstDiskSink::closed", GTK_TYPE_BOOL,
105 GTK_ARG_READWRITE, ARG_CLOSED);
108 gst_disksink_signals[SIGNAL_HANDOFF] =
109 gtk_signal_new ("handoff", GTK_RUN_LAST, gtkobject_class->type,
110 GTK_SIGNAL_OFFSET (GstDiskSinkClass, handoff),
111 gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0);
113 gtk_object_class_add_signals (gtkobject_class, gst_disksink_signals,
117 gtkobject_class->set_arg = gst_disksink_set_arg;
118 gtkobject_class->get_arg = gst_disksink_get_arg;
122 gst_disksink_init (GstDiskSink *disksink)
125 pad = gst_pad_new ("sink", GST_PAD_SINK);
126 gst_element_add_pad (GST_ELEMENT (disksink), pad);
127 gst_pad_set_chain_function (pad, gst_disksink_chain);
128 disksink->opened = FALSE;
129 disksink->filename = NULL;
130 disksink->file = NULL;
132 // disksink->silent = FALSE; ? what's this ? it's for output !
136 gst_disksink_set_arg (GtkObject *object, GtkArg *arg, guint id)
140 /* it's not null if we got it, but it might not be ours */
141 sink = GST_DISKSINK (object);
145 /* the element must be stopped in order to do this */
146 g_return_if_fail (GST_STATE (sink) < GST_STATE_PLAYING);
148 if (sink->filename) g_free (sink->filename);
150 sink->filename = g_strdup (GTK_VALUE_STRING (*arg));
151 sink->file = fopen (GTK_VALUE_STRING (*arg), "w");
152 if (sink->file == NULL)
154 g_error ("Cannot open %s for writing !\n", GTK_VALUE_STRING (*arg));
157 else sink->opened = TRUE;
158 gst_element_set_state(GST_ELEMENT(sink),GST_STATE_READY);
162 sink->silent = GTK_VALUE_BOOL (*arg);
166 if (GTK_VALUE_BOOL (*arg) == TRUE)
168 /* close the file descriptor */
169 sink->opened = FALSE;
170 if (! (fclose (sink->file)))
172 g_warning ("Cannot close file !\n");
183 gst_disksink_get_arg (GtkObject *object, GtkArg *arg, guint id)
187 /* it's not null if we got it, but it might not be ours */
188 g_return_if_fail (GST_IS_DISKSINK (object));
190 sink = GST_DISKSINK (object);
195 GTK_VALUE_BOOL (*arg) = sink->silent;
199 GTK_VALUE_BOOL (*arg) = !sink->opened;
202 GTK_VALUE_STRING (*arg) = sink->filename;
205 arg->type = GTK_TYPE_INVALID;
211 * gst_disksink_chain:
212 * @pad: the pad this disksink is connected to
213 * @buf: the buffer that has to be absorbed
215 * take the buffer from the pad and write to file if it's open
218 gst_disksink_chain (GstPad *pad, GstBuffer *buf)
220 GstDiskSink *disksink;
221 guint16 bytes_written = 0;
223 g_return_if_fail (pad != NULL);
224 g_return_if_fail (GST_IS_PAD (pad));
225 g_return_if_fail (buf != NULL);
227 disksink = GST_DISKSINK (gst_pad_get_parent (pad));
229 if (!disksink->silent)
230 g_print("disksink: ******* (%s:%s)< \n",GST_DEBUG_PAD_NAME(pad));
232 if (disksink->opened)
234 bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), disksink->file);
235 if (bytes_written < GST_BUFFER_SIZE (buf))
237 printf ("disksink : Warning : %d bytes should be written, only %d bytes written\n",
238 GST_BUFFER_SIZE (buf), bytes_written);
241 gst_buffer_unref (buf);
243 gtk_signal_emit (GTK_OBJECT (disksink), gst_disksink_signals[SIGNAL_HANDOFF],