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271 lines
7.4 KiB
C
271 lines
7.4 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstfakesink.c:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gstfakesink.h>
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GstElementDetails gst_fakesink_details = {
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"Fake Sink",
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"Sink",
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"Black hole for data",
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VERSION,
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"Erik Walthinsen <omega@cse.ogi.edu>",
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"(C) 1999",
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};
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/* FakeSink signals and args */
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enum {
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/* FILL ME */
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SIGNAL_HANDOFF,
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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ARG_NUM_SINKS,
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ARG_SILENT,
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ARG_DUMP,
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};
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GST_PADTEMPLATE_FACTORY (fakesink_sink_factory,
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"sink%d",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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NULL /* no caps */
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);
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static void gst_fakesink_class_init (GstFakeSinkClass *klass);
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static void gst_fakesink_init (GstFakeSink *fakesink);
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static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const
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gchar *unused);
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static void gst_fakesink_set_property (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec);
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static void gst_fakesink_get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec);
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static void gst_fakesink_chain (GstPad *pad, GstBuffer *buf);
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static GstElementClass *parent_class = NULL;
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static guint gst_fakesink_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_fakesink_get_type (void)
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{
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static GType fakesink_type = 0;
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if (!fakesink_type) {
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static const GTypeInfo fakesink_info = {
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sizeof(GstFakeSinkClass), NULL,
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NULL,
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(GClassInitFunc)gst_fakesink_class_init,
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NULL,
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NULL,
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sizeof(GstFakeSink),
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0,
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(GInstanceInitFunc)gst_fakesink_init,
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};
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fakesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFakeSink", &fakesink_info, 0);
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}
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return fakesink_type;
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}
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static void
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gst_fakesink_class_init (GstFakeSinkClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUM_SINKS,
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g_param_spec_int ("num_sinks", "num_sinks", "num_sinks",
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1, G_MAXINT, 1, G_PARAM_READABLE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
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g_param_spec_boolean ("silent", "silent", "silent",
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FALSE, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DUMP,
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g_param_spec_boolean ("dump", "dump", "dump",
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FALSE, G_PARAM_READWRITE));
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gst_fakesink_signals[SIGNAL_HANDOFF] =
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g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstFakeSinkClass, handoff), NULL, NULL,
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g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1,
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G_TYPE_POINTER);
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gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_fakesink_set_property);
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gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_fakesink_get_property);
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gstelement_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_fakesink_request_new_pad);
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}
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static void
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gst_fakesink_init (GstFakeSink *fakesink)
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{
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GstPad *pad;
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pad = gst_pad_new ("sink", GST_PAD_SINK);
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gst_element_add_pad (GST_ELEMENT (fakesink), pad);
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gst_pad_set_chain_function (pad, GST_DEBUG_FUNCPTR (gst_fakesink_chain));
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fakesink->sinkpads = g_slist_prepend (NULL, pad);
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fakesink->numsinkpads = 1;
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fakesink->silent = FALSE;
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fakesink->dump = FALSE;
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}
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static GstPad*
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gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused)
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{
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gchar *name;
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GstPad *sinkpad;
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GstFakeSink *fakesink;
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g_return_val_if_fail (GST_IS_FAKESINK (element), NULL);
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if (templ->direction != GST_PAD_SINK) {
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g_warning ("gstfakesink: request new pad that is not a SINK pad\n");
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return NULL;
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}
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fakesink = GST_FAKESINK (element);
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name = g_strdup_printf ("sink%d", fakesink->numsinkpads);
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sinkpad = gst_pad_new_from_template (templ, name);
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gst_element_add_pad (GST_ELEMENT (fakesink), sinkpad);
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fakesink->sinkpads = g_slist_prepend (fakesink->sinkpads, sinkpad);
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fakesink->numsinkpads++;
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return sinkpad;
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}
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static void
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gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstFakeSink *sink;
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/* it's not null if we got it, but it might not be ours */
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sink = GST_FAKESINK (object);
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switch (prop_id) {
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case ARG_SILENT:
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sink->silent = g_value_get_boolean (value);
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break;
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case ARG_DUMP:
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sink->dump = g_value_get_boolean (value);
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break;
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default:
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break;
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}
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}
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static void
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gst_fakesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstFakeSink *sink;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_FAKESINK (object));
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sink = GST_FAKESINK (object);
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switch (prop_id) {
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case ARG_NUM_SINKS:
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g_value_set_int (value, sink->numsinkpads);
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break;
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case ARG_SILENT:
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g_value_set_boolean (value, sink->silent);
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break;
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case ARG_DUMP:
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g_value_set_boolean (value, sink->dump);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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/**
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* gst_fakesink_chain:
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* @pad: the pad this faksink is connected to
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* @buffer: the buffer or event that has to be absorbed
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*
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* Take the buffer or event from the pad and unref it without doing
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* anything with it.
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*/
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static void
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gst_fakesink_chain (GstPad *pad, GstBuffer *buf)
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{
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GstFakeSink *fakesink;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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fakesink = GST_FAKESINK (gst_pad_get_parent (pad));
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if (GST_IS_EVENT(buf)) {
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GstEvent *event = GST_EVENT (buf);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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g_print("fakesink: have EOS event!\n");
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gst_element_set_state (GST_ELEMENT (fakesink), GST_STATE_PAUSED);
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break;
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default:
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g_print("fakesink: have unhandled event!\n");
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break;
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}
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gst_event_free (event);
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return;
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}
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if (!fakesink->silent)
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g_print("fakesink: chain ******* (%s:%s)< (%d bytes, %lld) %p\n",
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GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf), buf);
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g_signal_emit (G_OBJECT (fakesink), gst_fakesink_signals[SIGNAL_HANDOFF], 0, buf, pad);
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if (fakesink->dump)
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{
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gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
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}
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gst_buffer_unref (buf);
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}
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gboolean
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gst_fakesink_factory_init (GstElementFactory *factory)
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{
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gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (fakesink_sink_factory));
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return TRUE;
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}
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