gstreamer/plugins/elements/gstfdsink.c

156 lines
4.1 KiB
C
Raw Normal View History

/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gstfdsink.h>
GstElementDetails gst_fdsink_details = {
"Filedescriptor Sink",
"Sink",
"Write data to a file descriptor",
VERSION,
"Erik Walthinsen <omega@cse.ogi.edu>",
"(C) 1999",
};
/* FdSink signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
ARG_FD
};
static void gst_fdsink_class_init(GstFdSinkClass *klass);
static void gst_fdsink_init(GstFdSink *fdsink);
static void gst_fdsink_set_arg(GtkObject *object,GtkArg *arg,guint id);
static void gst_fdsink_get_arg(GtkObject *object,GtkArg *arg,guint id);
static GstSinkClass *parent_class = NULL;
static guint gst_fdsink_signals[LAST_SIGNAL] = { 0 };
GtkType
gst_fdsink_get_type(void) {
static GtkType fdsink_type = 0;
if (!fdsink_type) {
static const GtkTypeInfo fdsink_info = {
"GstFdSink",
sizeof(GstFdSink),
sizeof(GstFdSinkClass),
(GtkClassInitFunc)gst_fdsink_class_init,
(GtkObjectInitFunc)gst_fdsink_init,
(GtkArgSetFunc)gst_fdsink_set_arg,
(GtkArgGetFunc)gst_fdsink_get_arg,
(GtkClassInitFunc)NULL,
};
fdsink_type = gtk_type_unique(GST_TYPE_SINK,&fdsink_info);
}
return fdsink_type;
}
static void
gst_fdsink_class_init(GstFdSinkClass *klass) {
GtkObjectClass *gtkobject_class;
GstSinkClass *gstsink_class;
gtkobject_class = (GtkObjectClass*)klass;
gstsink_class = (GstSinkClass*)klass;
parent_class = gtk_type_class(GST_TYPE_SINK);
gtk_object_add_arg_type("GstFdSink::fd", GTK_TYPE_INT,
GTK_ARG_READWRITE, ARG_FD);
gtkobject_class->set_arg = gst_fdsink_set_arg;
gtkobject_class->get_arg = gst_fdsink_get_arg;
}
static void gst_fdsink_init(GstFdSink *fdsink) {
fdsink->sinkpad = gst_pad_new("sink",GST_PAD_SINK);
gst_element_add_pad(GST_ELEMENT(fdsink),fdsink->sinkpad);
gst_pad_set_chain_function(fdsink->sinkpad,gst_fdsink_chain);
fdsink->fd = 1;
}
GstElement *gst_fdsink_new(gchar *name) {
GstElement *fdsink = GST_ELEMENT(gtk_type_new(GST_TYPE_FDSINK));
gst_element_set_name(GST_ELEMENT(fdsink),name);
return fdsink;
}
GstElement *gst_fdsink_new_with_fd(gchar *name,gint fd) {
GstElement *fdsink = gst_fdsink_new(name);
gtk_object_set(GTK_OBJECT(fdsink),"fd",fd,NULL);
return fdsink;
}
void gst_fdsink_chain(GstPad *pad,GstBuffer *buf) {
GstFdSink *fdsink;
g_return_if_fail(pad != NULL);
g_return_if_fail(GST_IS_PAD(pad));
g_return_if_fail(buf != NULL);
fdsink = GST_FDSINK(pad->parent);
g_return_if_fail(fdsink->fd >= 0);
if (GST_BUFFER_DATA(buf))
write(fdsink->fd,GST_BUFFER_DATA(buf),GST_BUFFER_SIZE(buf));
gst_buffer_unref(buf);
}
static void gst_fdsink_set_arg(GtkObject *object,GtkArg *arg,guint id) {
GstFdSink *fdsink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_FDSINK(object));
fdsink = GST_FDSINK(object);
switch(id) {
case ARG_FD:
fdsink->fd = GTK_VALUE_INT(*arg);
break;
default:
break;
}
}
static void gst_fdsink_get_arg(GtkObject *object,GtkArg *arg,guint id) {
GstFdSink *fdsink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_FDSINK(object));
fdsink = GST_FDSINK(object);
switch(id) {
case ARG_FD:
GTK_VALUE_INT(*arg) = fdsink->fd;
break;
default:
break;
}
}