gstreamer/gst/elements/gstfakesrc.c

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/* 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 <gstfakesrc.h>
GstElementDetails gst_fakesrc_details = {
"Fake Source",
"Source",
"Push empty (no data) buffers around",
VERSION,
"Erik Walthinsen <omega@cse.ogi.edu>",
"(C) 1999",
};
/* FakeSrc signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
/* FILL ME */
};
static void gst_fakesrc_class_init(GstFakeSrcClass *klass);
static void gst_fakesrc_init(GstFakeSrc *fakesrc);
void gst_fakesrc_push(GstSrc *src);
static GstSrcClass *parent_class = NULL;
//static guint gst_fakesrc_signals[LAST_SIGNAL] = { 0 };
GtkType
gst_fakesrc_get_type(void) {
static GtkType fakesrc_type = 0;
if (!fakesrc_type) {
static const GtkTypeInfo fakesrc_info = {
"GstFakeSrc",
sizeof(GstFakeSrc),
sizeof(GstFakeSrcClass),
(GtkClassInitFunc)gst_fakesrc_class_init,
(GtkObjectInitFunc)gst_fakesrc_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL,
(GtkClassInitFunc)NULL,
};
fakesrc_type = gtk_type_unique(GST_TYPE_SRC,&fakesrc_info);
}
return fakesrc_type;
}
static void
gst_fakesrc_class_init(GstFakeSrcClass *klass) {
GstSrcClass *gstsrc_class;
gstsrc_class = (GstSrcClass*)klass;
parent_class = gtk_type_class(GST_TYPE_SRC);
gstsrc_class->push = gst_fakesrc_push;
gstsrc_class->push_region = NULL;
}
static void gst_fakesrc_init(GstFakeSrc *fakesrc) {
fakesrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
gst_element_add_pad(GST_ELEMENT(fakesrc),fakesrc->srcpad);
// we're ready right away, since we don't have any args...
// gst_element_set_state(GST_ELEMENT(fakesrc),GST_STATE_READY);
}
/**
* gst_fakesrc_new:
* @name: then name of the fakse source
*
* create a new fakesrc
*
* Returns: The new element.
*/
GstElement *gst_fakesrc_new(gchar *name) {
GstElement *fakesrc = GST_ELEMENT(gtk_type_new(GST_TYPE_FAKESRC));
gst_element_set_name(GST_ELEMENT(fakesrc),name);
return fakesrc;
}
/**
* gst_fakesrc_push:
* @src: the faksesrc to push
*
* generate an empty buffer and push it to the next element.
*/
void gst_fakesrc_push(GstSrc *src) {
GstFakeSrc *fakesrc;
GstBuffer *buf;
g_return_if_fail(src != NULL);
g_return_if_fail(GST_IS_FAKESRC(src));
fakesrc = GST_FAKESRC(src);
// g_print("gst_fakesrc_push(): pushing fake buffer from '%s'\n",
// gst_element_get_name(GST_ELEMENT(fakesrc)));
g_print(">");
buf = gst_buffer_new();
gst_pad_push(fakesrc->srcpad,buf);
}