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authorDavid Schleef <ds@schleef.org>2005-05-15 23:06:37 +0000
committerDavid Schleef <ds@schleef.org>2005-05-15 23:06:37 +0000
commit924a50450fb0354821f4e8fedad5290e623362b2 (patch)
treee1e1ccd442ef72363629a7768ffe93947eee9fd4 /gst/oldcore/gstaggregator.c
parent3ad1774754a31a6942a64c1bb4d87485456457b7 (diff)
Move core plugins out of core. I don't mind fdsrc/fdsink going back into the core; they were just disabled there, so
Original commit message from CVS: Move core plugins out of core. I don't mind fdsrc/fdsink going back into the core; they were just disabled there, so I moved them. Some of this stuff could (should) be deleted. * gst/oldcore/Makefile.am: * gst/oldcore/gstaggregator.c: * gst/oldcore/gstaggregator.h: * gst/oldcore/gstelements.c: * gst/oldcore/gstfdsink.c: * gst/oldcore/gstfdsink.h: * gst/oldcore/gstfdsrc.c: * gst/oldcore/gstfdsrc.h: * gst/oldcore/gstmd5sink.c: * gst/oldcore/gstmd5sink.h: * gst/oldcore/gstmultifilesrc.c: * gst/oldcore/gstmultifilesrc.h: * gst/oldcore/gstpipefilter.c: * gst/oldcore/gstpipefilter.h: * gst/oldcore/gstshaper.c: * gst/oldcore/gstshaper.h: * gst/oldcore/gststatistics.c: * gst/oldcore/gststatistics.h:
Diffstat (limited to 'gst/oldcore/gstaggregator.c')
-rw-r--r--gst/oldcore/gstaggregator.c379
1 files changed, 379 insertions, 0 deletions
diff --git a/gst/oldcore/gstaggregator.c b/gst/oldcore/gstaggregator.c
new file mode 100644
index 00000000..ddd806cf
--- /dev/null
+++ b/gst/oldcore/gstaggregator.c
@@ -0,0 +1,379 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wim.taymans@chello.be>
+ *
+ * gstaggregator.c: Aggregator element, N in 1 out
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "gstaggregator.h"
+
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+GST_DEBUG_CATEGORY_STATIC (gst_aggregator_debug);
+#define GST_CAT_DEFAULT gst_aggregator_debug
+
+GstElementDetails gst_aggregator_details =
+GST_ELEMENT_DETAILS ("Aggregator pipe fitting",
+ "Generic",
+ "N-to-1 pipe fitting",
+ "Wim Taymans <wim.taymans@chello.be>");
+
+/* Aggregator signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ ARG_0,
+ ARG_NUM_PADS,
+ ARG_SILENT,
+ ARG_SCHED,
+ ARG_LAST_MESSAGE
+ /* FILL ME */
+};
+
+GstStaticPadTemplate aggregator_src_template =
+GST_STATIC_PAD_TEMPLATE ("sink%d",
+ GST_PAD_SINK,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS_ANY);
+
+#define GST_TYPE_AGGREGATOR_SCHED (gst_aggregator_sched_get_type())
+static GType
+gst_aggregator_sched_get_type (void)
+{
+ static GType aggregator_sched_type = 0;
+ static GEnumValue aggregator_sched[] = {
+ {AGGREGATOR_LOOP, "1", "Loop Based"},
+ {AGGREGATOR_LOOP_SELECT, "3", "Loop Based Select"},
+ {AGGREGATOR_CHAIN, "4", "Chain Based"},
+ {0, NULL, NULL},
+ };
+
+ if (!aggregator_sched_type) {
+ aggregator_sched_type =
+ g_enum_register_static ("GstAggregatorSched", aggregator_sched);
+ }
+ return aggregator_sched_type;
+}
+
+#define AGGREGATOR_IS_LOOP_BASED(ag) ((ag)->sched != AGGREGATOR_CHAIN)
+
+static GstPad *gst_aggregator_request_new_pad (GstElement * element,
+ GstPadTemplate * temp, const gchar * unused);
+static void gst_aggregator_update_functions (GstAggregator * aggregator);
+
+static void gst_aggregator_finalize (GObject * object);
+static void gst_aggregator_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_aggregator_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void gst_aggregator_chain (GstPad * pad, GstData * _data);
+static void gst_aggregator_loop (GstElement * element);
+
+#define _do_init(bla) \
+ GST_DEBUG_CATEGORY_INIT (gst_aggregator_debug, "aggregator", 0, "aggregator element");
+
+GST_BOILERPLATE_FULL (GstAggregator, gst_aggregator, GstElement,
+ GST_TYPE_ELEMENT, _do_init);
+
+static void
+gst_aggregator_base_init (gpointer g_class)
+{
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&aggregator_src_template));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&srctemplate));
+ gst_element_class_set_details (gstelement_class, &gst_aggregator_details);
+}
+
+static void
+gst_aggregator_finalize (GObject * object)
+{
+ GstAggregator *aggregator;
+
+ aggregator = GST_AGGREGATOR (object);
+
+ g_list_free (aggregator->sinkpads);
+ g_free (aggregator->last_message);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_aggregator_class_init (GstAggregatorClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_aggregator_set_property);
+ gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_aggregator_get_property);
+
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUM_PADS,
+ g_param_spec_int ("num_pads", "Num pads", "The number of source pads",
+ 0, G_MAXINT, 0, G_PARAM_READABLE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
+ g_param_spec_boolean ("silent", "Silent", "Don't produce messages",
+ FALSE, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SCHED,
+ g_param_spec_enum ("sched", "Scheduling",
+ "The type of scheduling this element should use",
+ GST_TYPE_AGGREGATOR_SCHED, AGGREGATOR_CHAIN, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LAST_MESSAGE,
+ g_param_spec_string ("last_message", "Last message",
+ "The current state of the element", NULL, G_PARAM_READABLE));
+
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_aggregator_finalize);
+
+ gstelement_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (gst_aggregator_request_new_pad);
+}
+
+static void
+gst_aggregator_init (GstAggregator * aggregator)
+{
+ aggregator->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&srctemplate),
+ "src");
+ gst_pad_set_getcaps_function (aggregator->srcpad, gst_pad_proxy_getcaps);
+ gst_element_add_pad (GST_ELEMENT (aggregator), aggregator->srcpad);
+
+ aggregator->numsinkpads = 0;
+ aggregator->sinkpads = NULL;
+ aggregator->silent = FALSE;
+ aggregator->sched = AGGREGATOR_LOOP;
+ aggregator->last_message = NULL;
+
+ gst_aggregator_update_functions (aggregator);
+}
+
+static GstPad *
+gst_aggregator_request_new_pad (GstElement * element, GstPadTemplate * templ,
+ const gchar * unused)
+{
+ gchar *name;
+ GstPad *sinkpad;
+ GstAggregator *aggregator;
+
+ g_return_val_if_fail (GST_IS_AGGREGATOR (element), NULL);
+
+ if (templ->direction != GST_PAD_SINK) {
+ g_warning ("gstaggregator: request new pad that is not a sink pad\n");
+ return NULL;
+ }
+
+ aggregator = GST_AGGREGATOR (element);
+
+ name = g_strdup_printf ("sink%d", aggregator->numsinkpads);
+
+ sinkpad = gst_pad_new_from_template (templ, name);
+ g_free (name);
+
+ if (!AGGREGATOR_IS_LOOP_BASED (aggregator)) {
+ gst_pad_set_chain_function (sinkpad, gst_aggregator_chain);
+ }
+ gst_pad_set_getcaps_function (sinkpad, gst_pad_proxy_getcaps);
+ gst_element_add_pad (GST_ELEMENT (aggregator), sinkpad);
+
+ aggregator->sinkpads = g_list_prepend (aggregator->sinkpads, sinkpad);
+ aggregator->numsinkpads++;
+
+ return sinkpad;
+}
+
+static void
+gst_aggregator_update_functions (GstAggregator * aggregator)
+{
+ GList *pads;
+
+ if (AGGREGATOR_IS_LOOP_BASED (aggregator)) {
+ gst_element_set_loop_function (GST_ELEMENT (aggregator),
+ GST_DEBUG_FUNCPTR (gst_aggregator_loop));
+ } else {
+ gst_element_set_loop_function (GST_ELEMENT (aggregator), NULL);
+ }
+
+ pads = aggregator->sinkpads;
+ while (pads) {
+ GstPad *pad = GST_PAD (pads->data);
+
+ if (AGGREGATOR_IS_LOOP_BASED (aggregator)) {
+ gst_pad_set_get_function (pad, NULL);
+ } else {
+ gst_element_set_loop_function (GST_ELEMENT (aggregator), NULL);
+ }
+ pads = g_list_next (pads);
+ }
+}
+
+static void
+gst_aggregator_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstAggregator *aggregator;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_AGGREGATOR (object));
+
+ aggregator = GST_AGGREGATOR (object);
+
+ switch (prop_id) {
+ case ARG_SILENT:
+ aggregator->silent = g_value_get_boolean (value);
+ break;
+ case ARG_SCHED:
+ aggregator->sched = g_value_get_enum (value);
+ gst_aggregator_update_functions (aggregator);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_aggregator_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstAggregator *aggregator;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_AGGREGATOR (object));
+
+ aggregator = GST_AGGREGATOR (object);
+
+ switch (prop_id) {
+ case ARG_NUM_PADS:
+ g_value_set_int (value, aggregator->numsinkpads);
+ break;
+ case ARG_SILENT:
+ g_value_set_boolean (value, aggregator->silent);
+ break;
+ case ARG_SCHED:
+ g_value_set_enum (value, aggregator->sched);
+ break;
+ case ARG_LAST_MESSAGE:
+ g_value_set_string (value, aggregator->last_message);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_aggregator_push (GstAggregator * aggregator, GstPad * pad, GstBuffer * buf,
+ guchar * debug)
+{
+ if (!aggregator->silent) {
+ g_free (aggregator->last_message);
+
+ aggregator->last_message =
+ g_strdup_printf ("%10.10s ******* (%s:%s)a (%d bytes, %"
+ G_GUINT64_FORMAT ")", debug, GST_DEBUG_PAD_NAME (pad),
+ GST_BUFFER_SIZE (buf), GST_BUFFER_TIMESTAMP (buf));
+
+ g_object_notify (G_OBJECT (aggregator), "last_message");
+ }
+
+ gst_pad_push (aggregator->srcpad, GST_DATA (buf));
+}
+
+static void
+gst_aggregator_loop (GstElement * element)
+{
+ GstAggregator *aggregator;
+ GstBuffer *buf;
+ guchar *debug;
+
+ aggregator = GST_AGGREGATOR (element);
+
+ if (aggregator->sched == AGGREGATOR_LOOP) {
+ GList *pads = aggregator->sinkpads;
+
+ /* we'll loop over all pads and try to pull from all
+ * active ones */
+ while (pads) {
+ GstPad *pad = GST_PAD (pads->data);
+
+ pads = g_list_next (pads);
+
+ /* we need to check is the pad is usable. IS_USABLE will check
+ * if the pad is linked, if it is enabled (the element is
+ * playing and the app didn't gst_pad_set_enabled (pad, FALSE))
+ * and that the peer pad is also enabled.
+ */
+ if (GST_PAD_IS_USABLE (pad)) {
+ buf = GST_BUFFER (gst_pad_pull (pad));
+ debug = "loop";
+
+ /* then push it forward */
+ gst_aggregator_push (aggregator, pad, buf, debug);
+ }
+ }
+ } else {
+ if (aggregator->sched == AGGREGATOR_LOOP_SELECT) {
+ GstPad *pad;
+
+ debug = "loop_select";
+
+ buf = GST_BUFFER (gst_pad_collectv (&pad, aggregator->sinkpads));
+
+ gst_aggregator_push (aggregator, pad, buf, debug);
+ } else {
+ g_assert_not_reached ();
+ }
+ }
+}
+
+/**
+ * gst_aggregator_chain:
+ * @pad: the pad to follow
+ * @buf: the buffer to pass
+ *
+ * Chain a buffer on a pad.
+ */
+static void
+gst_aggregator_chain (GstPad * pad, GstData * _data)
+{
+ GstBuffer *buf = GST_BUFFER (_data);
+ GstAggregator *aggregator;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ aggregator = GST_AGGREGATOR (gst_pad_get_parent (pad));
+/* gst_trace_add_entry (NULL, 0, buf, "aggregator buffer");*/
+
+ gst_aggregator_push (aggregator, pad, buf, "chain");
+}