/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen * 2000 Wim Taymans * * 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 GstElementDetails gst_fakesink_details = { "Fake Sink", "Sink", "LGPL", "Black hole for data", VERSION, "Erik Walthinsen ", "(C) 1999", }; /* FakeSink signals and args */ enum { /* FILL ME */ SIGNAL_HANDOFF, LAST_SIGNAL }; enum { ARG_0, ARG_NUM_SINKS, ARG_SILENT, ARG_DUMP, ARG_SYNC, ARG_LAST_MESSAGE, }; GST_PAD_TEMPLATE_FACTORY (fakesink_sink_factory, "sink%d", GST_PAD_SINK, GST_PAD_REQUEST, NULL /* no caps */ ); static void gst_fakesink_class_init (GstFakeSinkClass *klass); static void gst_fakesink_init (GstFakeSink *fakesink); static void gst_fakesink_set_clock (GstElement *element, GstClock *clock); static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused); 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; GstElementClass *gstelement_class; gobject_class = (GObjectClass*)klass; gstelement_class = (GstElementClass*)klass; parent_class = g_type_class_ref (GST_TYPE_ELEMENT); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUM_SINKS, g_param_spec_int ("num_sinks", "Number of sinks", "The number of sinkpads", 1, G_MAXINT, 1, G_PARAM_READABLE)); g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LAST_MESSAGE, g_param_spec_string ("last_message", "Last Message", "The message describing current status", NULL, G_PARAM_READABLE)); g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SYNC, g_param_spec_boolean("sync","Sync","Sync on the clock", FALSE, G_PARAM_READWRITE)); /* CHECKME */ gst_element_class_install_std_props ( GST_ELEMENT_CLASS (klass), "silent", ARG_SILENT, G_PARAM_READWRITE, "dump", ARG_DUMP, G_PARAM_READWRITE, NULL); gst_fakesink_signals[SIGNAL_HANDOFF] = g_signal_new ("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_DEBUG_FUNCPTR (gst_fakesink_set_property); gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_fakesink_get_property); gstelement_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_fakesink_request_new_pad); } 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_DEBUG_FUNCPTR (gst_fakesink_chain)); fakesink->silent = FALSE; fakesink->dump = FALSE; fakesink->sync = FALSE; fakesink->last_message = NULL; GST_ELEMENT (fakesink)->setclockfunc = gst_fakesink_set_clock; GST_FLAG_SET (fakesink, GST_ELEMENT_EVENT_AWARE); } static void gst_fakesink_set_clock (GstElement *element, GstClock *clock) { GstFakeSink *sink; sink = GST_FAKESINK (element); sink->clock = clock; } static GstPad* gst_fakesink_request_new_pad (GstElement *element, GstPadTemplate *templ, const gchar *unused) { gchar *name; GstPad *sinkpad; GstFakeSink *fakesink; g_return_val_if_fail (GST_IS_FAKESINK (element), NULL); if (templ->direction != GST_PAD_SINK) { g_warning ("gstfakesink: request new pad that is not a SINK pad\n"); return NULL; } fakesink = GST_FAKESINK (element); name = g_strdup_printf ("sink%d", GST_ELEMENT (fakesink)->numsinkpads); sinkpad = gst_pad_new_from_template (templ, name); g_free (name); gst_element_add_pad (GST_ELEMENT (fakesink), sinkpad); return sinkpad; } static void gst_fakesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GstFakeSink *sink; /* it's not null if we got it, but it might not be ours */ sink = GST_FAKESINK (object); switch (prop_id) { case ARG_SILENT: sink->silent = g_value_get_boolean (value); break; case ARG_DUMP: sink->dump = g_value_get_boolean (value); break; case ARG_SYNC: sink->sync = 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_SINKS: g_value_set_int (value, GST_ELEMENT (sink)->numsinkpads); break; case ARG_SILENT: g_value_set_boolean (value, sink->silent); break; case ARG_DUMP: g_value_set_boolean (value, sink->dump); break; case ARG_SYNC: g_value_set_boolean (value, sink->sync); break; case ARG_LAST_MESSAGE: g_value_set_string (value, sink->last_message); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } 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 (GST_IS_EVENT (buf)) { GstEvent *event = GST_EVENT (buf); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_DISCONTINUOUS: if (fakesink->sync && fakesink->clock) { gint64 value = GST_EVENT_DISCONT_OFFSET (event, 0).value; gst_clock_handle_discont (fakesink->clock, value); } default: gst_pad_event_default (pad, event); break; } return; } if (fakesink->sync && fakesink->clock) { gst_element_clock_wait (GST_ELEMENT (fakesink), fakesink->clock, GST_BUFFER_TIMESTAMP (buf), NULL); } if (!fakesink->silent) { g_free (fakesink->last_message); fakesink->last_message = g_strdup_printf ("chain ******* (%s:%s)< (%d bytes, %lld) %p", GST_DEBUG_PAD_NAME (pad), GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf), buf); g_object_notify (G_OBJECT (fakesink), "last_message"); } g_signal_emit (G_OBJECT (fakesink), gst_fakesink_signals[SIGNAL_HANDOFF], 0, buf, pad); if (fakesink->dump) { gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf)); } gst_buffer_unref (buf); } gboolean gst_fakesink_factory_init (GstElementFactory *factory) { gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (fakesink_sink_factory)); return TRUE; }