gstreamer/gst/elements/gstfakesink.c
Erik Walthinsen 7f8d8fe8d5 Merged from GOBJECT1 to HEAD at 200106241
Original commit message from CVS:
Merged from GOBJECT1 to HEAD at 200106241
2001-06-25 01:20:11 +00:00

201 lines
5.7 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstfakesink.c:
*
* 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 <gstfakesink.h>
GstElementDetails gst_fakesink_details = {
"Fake Sink",
"Sink",
"Black hole for data",
VERSION,
"Erik Walthinsen <omega@cse.ogi.edu>",
"(C) 1999",
};
/* FakeSink signals and args */
enum {
/* FILL ME */
SIGNAL_HANDOFF,
LAST_SIGNAL
};
enum {
ARG_0,
ARG_NUM_SOURCES,
ARG_SILENT,
};
static void gst_fakesink_class_init (GstFakeSinkClass *klass);
static void gst_fakesink_init (GstFakeSink *fakesink);
static void gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void gst_fakesink_chain (GstPad *pad,GstBuffer *buf);
static GstElementClass *parent_class = NULL;
static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 };
GType
gst_fakesink_get_type (void)
{
static GType fakesink_type = 0;
if (!fakesink_type) {
static const GTypeInfo fakesink_info = {
sizeof(GstFakeSinkClass), NULL,
NULL,
(GClassInitFunc)gst_fakesink_class_init,
NULL,
NULL,
sizeof(GstFakeSink),
0,
(GInstanceInitFunc)gst_fakesink_init,
};
fakesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFakeSink", &fakesink_info, 0);
}
return fakesink_type;
}
static void
gst_fakesink_class_init (GstFakeSinkClass *klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass*)klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NUM_SOURCES,
g_param_spec_int("num_sources","num_sources","num_sources",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT,
g_param_spec_boolean("silent","silent","silent",
TRUE,G_PARAM_READWRITE)); // CHECKME
gst_fakesink_signals[SIGNAL_HANDOFF] =
g_signal_newc ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstFakeSinkClass, handoff), NULL, NULL,
g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
G_TYPE_POINTER);
gobject_class->set_property = gst_fakesink_set_property;
gobject_class->get_property = gst_fakesink_get_property;
}
static void
gst_fakesink_init (GstFakeSink *fakesink)
{
GstPad *pad;
pad = gst_pad_new ("sink", GST_PAD_SINK);
gst_element_add_pad (GST_ELEMENT (fakesink), pad);
gst_pad_set_chain_function (pad, gst_fakesink_chain);
fakesink->sinkpads = g_slist_prepend (NULL, pad);
fakesink->numsinkpads = 1;
fakesink->silent = FALSE;
// we're ready right away, since we don't have any args...
// gst_element_set_state(GST_ELEMENT(fakesink),GST_STATE_READY);
}
static void
gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstFakeSink *sink;
gint new_numsinks;
GstPad *pad;
/* it's not null if we got it, but it might not be ours */
sink = GST_FAKESINK (object);
switch (prop_id) {
case ARG_NUM_SOURCES:
new_numsinks = g_value_get_int (value);
while (sink->numsinkpads < new_numsinks) {
pad = gst_pad_new (g_strdup_printf ("sink%d", sink->numsinkpads), GST_PAD_SINK);
gst_pad_set_chain_function (pad, gst_fakesink_chain);
gst_element_add_pad (GST_ELEMENT (sink), pad);
sink->sinkpads = g_slist_append (sink->sinkpads, pad);
sink->numsinkpads++;
}
break;
case ARG_SILENT:
sink->silent = g_value_get_boolean (value);
break;
default:
break;
}
}
static void
gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstFakeSink *sink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_FAKESINK (object));
sink = GST_FAKESINK (object);
switch (prop_id) {
case ARG_NUM_SOURCES:
g_value_set_int (value, sink->numsinkpads);
break;
case ARG_SILENT:
g_value_set_boolean (value, sink->silent);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/**
* gst_fakesink_chain:
* @pad: the pad this faksink is connected to
* @buf: the buffer that has to be absorbed
*
* take the buffer from the pad and unref it without doing
* anything with it.
*/
static void
gst_fakesink_chain (GstPad *pad, GstBuffer *buf)
{
GstFakeSink *fakesink;
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buf != NULL);
fakesink = GST_FAKESINK (gst_pad_get_parent (pad));
if (!fakesink->silent)
g_print("fakesink: ******* (%s:%s)< (%d bytes) \n",GST_DEBUG_PAD_NAME(pad),GST_BUFFER_SIZE(buf));
g_signal_emit (G_OBJECT (fakesink), gst_fakesink_signals[SIGNAL_HANDOFF], 0,
buf);
gst_buffer_unref (buf);
}