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-rw-r--r--gst/gdp/Makefile.am13
-rw-r--r--gst/gdp/gstgdp.c46
-rw-r--r--gst/gdp/gstgdpdepay.c322
-rw-r--r--gst/gdp/gstgdpdepay.h75
-rw-r--r--gst/gdp/gstgdppay.c502
-rw-r--r--gst/gdp/gstgdppay.h66
6 files changed, 1024 insertions, 0 deletions
diff --git a/gst/gdp/Makefile.am b/gst/gdp/Makefile.am
new file mode 100644
index 00000000..73851200
--- /dev/null
+++ b/gst/gdp/Makefile.am
@@ -0,0 +1,13 @@
+plugin_LTLIBRARIES = libgstgdp.la
+
+libgstgdp_la_SOURCES = \
+ gstgdp.c \
+ gstgdppay.c \
+ gstgdpdepay.c
+
+libgstgdp_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
+libgstgdp_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_GDP_LIBS)
+
+noinst_HEADERS = \
+ gstgdppay.h \
+ gstgdpdepay.h
diff --git a/gst/gdp/gstgdp.c b/gst/gdp/gstgdp.c
new file mode 100644
index 00000000..31d32598
--- /dev/null
+++ b/gst/gdp/gstgdp.c
@@ -0,0 +1,46 @@
+/* GStreamer
+ * Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
+ *
+ * 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 <gst/dataprotocol/dataprotocol.h>
+
+#include "gstgdppay.h"
+#include "gstgdpdepay.h"
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ gst_dp_init ();
+
+ if (!gst_gdp_depay_plugin_init (plugin))
+ return FALSE;
+
+ if (!gst_gdp_pay_plugin_init (plugin))
+ return FALSE;
+
+ return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR,
+ "gdp",
+ "Payload/depayload GDP packets", plugin_init,
+ VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
diff --git a/gst/gdp/gstgdpdepay.c b/gst/gdp/gstgdpdepay.c
new file mode 100644
index 00000000..5a37d984
--- /dev/null
+++ b/gst/gdp/gstgdpdepay.c
@@ -0,0 +1,322 @@
+/* GStreamer
+ * Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:element-gdpdepay
+ * @see_also: videorate, ffmpegcolorspace
+ *
+ * <refsect2>
+ * <para>
+ * This element depayloads GStreamer Data Protocol buffers back to deserialized
+ * buffers and events.
+ * </para>
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <gst/dataprotocol/dataprotocol.h>
+
+#include "gstgdpdepay.h"
+
+/* elementfactory information */
+static const GstElementDetails gdp_depay_details =
+GST_ELEMENT_DETAILS ("GDP Depayloader",
+ "Filter/Effect/Video",
+ "Depayloads GStreamer Data Protocol buffers",
+ "Thomas Vander Stichele <thomas at apestaart dot org>");
+
+enum
+{
+ PROP_0,
+ /* FILL ME */
+};
+
+static GstStaticPadTemplate gdp_depay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-gdp"));
+
+static GstStaticPadTemplate gdp_depay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+GST_DEBUG_CATEGORY (gst_gdp_depay_debug);
+#define GST_CAT_DEFAULT gst_gdp_depay_debug
+
+#define _do_init(x) \
+ GST_DEBUG_CATEGORY_INIT (gst_gdp_depay_debug, "gdpdepay", 0, \
+ "GDP depayloader");
+
+GST_BOILERPLATE_FULL (GstGDPDepay, gst_gdp_depay, GstElement,
+ GST_TYPE_ELEMENT, _do_init);
+
+static GstFlowReturn gst_gdp_depay_chain (GstPad * pad, GstBuffer * buffer);
+static GstStateChangeReturn gst_gdp_depay_change_state (GstElement *
+ element, GstStateChange transition);
+
+static void gst_gdp_depay_finalize (GObject * object);
+
+static void
+gst_gdp_depay_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details (element_class, &gdp_depay_details);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gdp_depay_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gdp_depay_src_template));
+}
+
+static void
+gst_gdp_depay_class_init (GstGDPDepayClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_gdp_depay_change_state);
+ gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_gdp_depay_finalize);
+}
+
+static void
+gst_gdp_depay_init (GstGDPDepay * gdpdepay, GstGDPDepayClass * g_class)
+{
+ gdpdepay->sinkpad =
+ gst_pad_new_from_static_template (&gdp_depay_sink_template, "sink");
+ gst_pad_set_setcaps_function (gdpdepay->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_pad_proxy_setcaps));
+ gst_pad_set_getcaps_function (gdpdepay->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
+ gst_pad_set_chain_function (gdpdepay->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_gdp_depay_chain));
+ gst_element_add_pad (GST_ELEMENT (gdpdepay), gdpdepay->sinkpad);
+
+ gdpdepay->srcpad =
+ gst_pad_new_from_static_template (&gdp_depay_src_template, "src");
+ gst_element_add_pad (GST_ELEMENT (gdpdepay), gdpdepay->srcpad);
+
+ /* our caps will always be decided by the incoming GDP caps buffers */
+ gst_pad_use_fixed_caps (gdpdepay->srcpad);
+
+ gdpdepay->adapter = gst_adapter_new ();
+}
+
+static void
+gst_gdp_depay_finalize (GObject * gobject)
+{
+ GstGDPDepay *this;
+
+ this = GST_GDP_DEPAY (gobject);
+ if (this->caps)
+ gst_caps_unref (this->caps);
+ if (this->header)
+ g_free (this->header);
+ gst_adapter_clear (this->adapter);
+ g_object_unref (this->adapter);
+
+ GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (gobject));
+}
+
+static GstFlowReturn
+gst_gdp_depay_chain (GstPad * pad, GstBuffer * buffer)
+{
+ GstGDPDepay *this;
+ GstFlowReturn ret = GST_FLOW_OK;
+ GstCaps *caps;
+ GstBuffer *buf;
+ GstEvent *event;
+ guint8 *header = NULL;
+ guint8 *payload = NULL;
+ guint available;
+ gboolean running = TRUE;
+
+ this = GST_GDP_DEPAY (gst_pad_get_parent (pad));
+
+ gst_adapter_push (this->adapter, buffer);
+
+ while (running) {
+ switch (this->state) {
+ case GST_GDP_DEPAY_STATE_HEADER:
+ available = gst_adapter_available (this->adapter);
+ if (available < GST_DP_HEADER_LENGTH) {
+ running = FALSE;
+ break;
+ }
+
+ if (this->header)
+ g_free (this->header);
+ GST_LOG_OBJECT (this, "reading GDP header from adapter");
+ header = gst_adapter_take (this->adapter, GST_DP_HEADER_LENGTH);
+ if (!gst_dp_validate_header (GST_DP_HEADER_LENGTH, header))
+ goto header_validate_error;
+
+ this->payload_length = gst_dp_header_payload_length (header);
+ this->payload_type = gst_dp_header_payload_type (header);
+ this->header = header;
+ GST_LOG_OBJECT (this,
+ "read GDP header, payload size %d, switching to state PAYLOAD",
+ this->payload_length);
+ this->state = GST_GDP_DEPAY_STATE_PAYLOAD;
+ break;
+
+ case GST_GDP_DEPAY_STATE_PAYLOAD:
+ available = gst_adapter_available (this->adapter);
+ if (available < this->payload_length) {
+ running = FALSE;
+ break;
+ }
+
+ /* change state based on type */
+ if (this->payload_type == GST_DP_PAYLOAD_BUFFER) {
+ GST_LOG_OBJECT (this, "switching to state BUFFER");
+ this->state = GST_GDP_DEPAY_STATE_BUFFER;
+ } else if (this->payload_type == GST_DP_PAYLOAD_CAPS) {
+ GST_LOG_OBJECT (this, "switching to state CAPS");
+ this->state = GST_GDP_DEPAY_STATE_CAPS;
+ } else if (this->payload_type >= GST_DP_PAYLOAD_EVENT_NONE) {
+ GST_LOG_OBJECT (this, "switching to state EVENT");
+ this->state = GST_GDP_DEPAY_STATE_EVENT;
+ } else
+ goto wrong_type;
+ break;
+
+ case GST_GDP_DEPAY_STATE_BUFFER:
+ if (!this->caps) {
+ GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
+ ("Received a buffer without first receiving caps"));
+ ret = GST_FLOW_NOT_NEGOTIATED;
+ goto done;
+ }
+
+ GST_LOG_OBJECT (this, "reading GDP buffer from adapter");
+ buf = gst_dp_buffer_from_header (GST_DP_HEADER_LENGTH, this->header);
+ payload = gst_adapter_take (this->adapter, this->payload_length);
+ memcpy (GST_BUFFER_DATA (buf), payload, this->payload_length);
+ g_free (payload);
+
+ gst_buffer_set_caps (buf, this->caps);
+ ret = gst_pad_push (this->srcpad, buf);
+ if (ret != GST_FLOW_OK) {
+ GST_WARNING_OBJECT (this, "pushing depayloaded buffer returned %d",
+ ret);
+ goto done;
+ }
+
+ GST_LOG_OBJECT (this, "switching to state HEADER");
+ this->state = GST_GDP_DEPAY_STATE_HEADER;
+ break;
+
+ case GST_GDP_DEPAY_STATE_CAPS:
+ GST_LOG_OBJECT (this, "reading GDP caps from adapter");
+ payload = gst_adapter_take (this->adapter, this->payload_length);
+ caps = gst_dp_caps_from_packet (GST_DP_HEADER_LENGTH, this->header,
+ payload);
+ g_free (payload);
+ GST_DEBUG_OBJECT (this, "read caps %" GST_PTR_FORMAT, caps);
+ gst_caps_replace (&(this->caps), caps);
+ gst_pad_set_caps (this->srcpad, caps);
+ /* drop the creation ref we still have */
+ gst_caps_unref (caps);
+
+ GST_LOG_OBJECT (this, "switching to state HEADER");
+ this->state = GST_GDP_DEPAY_STATE_HEADER;
+ break;
+
+ case GST_GDP_DEPAY_STATE_EVENT:
+ GST_LOG_OBJECT (this, "reading GDP event from adapter");
+ /* adapter doesn't like 0 length payload */
+ if (this->payload_length > 0)
+ payload = gst_adapter_take (this->adapter, this->payload_length);
+ event = gst_dp_event_from_packet (GST_DP_HEADER_LENGTH, this->header,
+ payload);
+ /* FIXME: set me as source ? */
+ gst_pad_push_event (this->srcpad, event);
+
+ GST_LOG_OBJECT (this, "switching to state HEADER");
+ this->state = GST_GDP_DEPAY_STATE_HEADER;
+ break;
+ }
+ }
+ goto done;
+
+header_validate_error:
+ GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
+ ("GDP packet header does not validate"));
+ g_free (header);
+ ret = GST_FLOW_ERROR;
+ goto done;
+
+wrong_type:
+ GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
+ ("GDP packet header is of wrong type"));
+ g_free (header);
+ ret = GST_FLOW_ERROR;
+ goto done;
+
+done:
+ gst_object_unref (this);
+ return ret;
+}
+
+static GstStateChangeReturn
+gst_gdp_depay_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstGDPDepay *this = GST_GDP_DEPAY (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (this->caps) {
+ gst_caps_unref (this->caps);
+ this->caps = NULL;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ return ret;
+}
+
+gboolean
+gst_gdp_depay_plugin_init (GstPlugin * plugin)
+{
+ if (!gst_element_register (plugin, "gdpdepay", GST_RANK_NONE,
+ GST_TYPE_GDP_DEPAY))
+ return FALSE;
+
+ return TRUE;
+}
diff --git a/gst/gdp/gstgdpdepay.h b/gst/gdp/gstgdpdepay.h
new file mode 100644
index 00000000..d39ec5a5
--- /dev/null
+++ b/gst/gdp/gstgdpdepay.h
@@ -0,0 +1,75 @@
+/* Gnome-Streamer
+ * Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
+ *
+ * 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.
+ */
+
+#ifndef __GST_GDP_DEPAY_H__
+#define __GST_GDP_DEPAY_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GDP_DEPAY \
+ (gst_gdp_depay_get_type())
+#define GST_GDP_DEPAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GDP_DEPAY,GstGDPDepay))
+#define GST_GDP_DEPAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GDP_DEPAY,GstGDPDepay))
+#define GST_IS_GDP_DEPAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GDP_DEPAY))
+#define GST_IS_GDP_DEPAY_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GDP_DEPAY))
+
+typedef enum {
+ GST_GDP_DEPAY_STATE_HEADER = 0,
+ GST_GDP_DEPAY_STATE_PAYLOAD,
+ GST_GDP_DEPAY_STATE_BUFFER,
+ GST_GDP_DEPAY_STATE_CAPS,
+ GST_GDP_DEPAY_STATE_EVENT,
+} GstGDPDepayState;
+
+
+typedef struct _GstGDPDepay GstGDPDepay;
+typedef struct _GstGDPDepayClass GstGDPDepayClass;
+
+struct _GstGDPDepay
+{
+ GstElement element;
+ GstPad *sinkpad;
+ GstPad *srcpad;
+
+ GstAdapter *adapter;
+ GstGDPDepayState state;
+ GstCaps *caps;
+
+ guint8 *header;
+ guint32 payload_length;
+ GstDPPayloadType payload_type;
+};
+
+struct _GstGDPDepayClass
+{
+ GstElementClass parent_class;
+};
+
+gboolean gst_gdp_depay_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_GDP_DEPAY_H__ */
diff --git a/gst/gdp/gstgdppay.c b/gst/gdp/gstgdppay.c
new file mode 100644
index 00000000..e40d2f1b
--- /dev/null
+++ b/gst/gdp/gstgdppay.c
@@ -0,0 +1,502 @@
+/* GStreamer
+ * Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:element-gdppay
+ *
+ * <refsect2>
+ * <para>
+ * This element payloads GStreamer buffers and events using the
+ * GStreamer Data Protocol.
+ * </para>
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/dataprotocol/dataprotocol.h>
+
+#include "gstgdppay.h"
+
+/* elementfactory information */
+static const GstElementDetails gdp_pay_details =
+GST_ELEMENT_DETAILS ("GDP Payloader",
+ "Filter/Effect/Video",
+ "Payloads GStreamer Data Protocol buffers",
+ "Thomas Vander Stichele <thomas at apestaart dot org>");
+
+enum
+{
+ PROP_0,
+ /* FILL ME */
+};
+
+static GstStaticPadTemplate gdp_pay_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+static GstStaticPadTemplate gdp_pay_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("application/x-gdp"));
+
+GST_DEBUG_CATEGORY (gst_gdp_pay_debug);
+#define GST_CAT_DEFAULT gst_gdp_pay_debug
+
+#define _do_init(x) \
+ GST_DEBUG_CATEGORY_INIT (gst_gdp_pay_debug, "gdppay", 0, \
+ "GDP payloader");
+
+GST_BOILERPLATE_FULL (GstGDPPay, gst_gdp_pay, GstElement,
+ GST_TYPE_ELEMENT, _do_init);
+
+static GstFlowReturn gst_gdp_pay_chain (GstPad * pad, GstBuffer * buffer);
+static gboolean gst_gdp_pay_sink_event (GstPad * pad, GstEvent * event);
+static GstStateChangeReturn gst_gdp_pay_change_state (GstElement *
+ element, GstStateChange transition);
+
+static void gst_gdp_pay_dispose (GObject * gobject);
+
+static void
+gst_gdp_pay_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details (element_class, &gdp_pay_details);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gdp_pay_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gdp_pay_src_template));
+}
+
+static void
+gst_gdp_pay_class_init (GstGDPPayClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_gdp_pay_dispose);
+ gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_gdp_pay_change_state);
+}
+
+static void
+gst_gdp_pay_init (GstGDPPay * gdppay, GstGDPPayClass * g_class)
+{
+ gdppay->sinkpad =
+ gst_pad_new_from_static_template (&gdp_pay_sink_template, "sink");
+ gst_pad_set_chain_function (gdppay->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_gdp_pay_chain));
+ gst_pad_set_event_function (gdppay->sinkpad,
+ GST_DEBUG_FUNCPTR (gst_gdp_pay_sink_event));
+ gst_element_add_pad (GST_ELEMENT (gdppay), gdppay->sinkpad);
+
+ gdppay->srcpad =
+ gst_pad_new_from_static_template (&gdp_pay_src_template, "src");
+ gst_element_add_pad (GST_ELEMENT (gdppay), gdppay->srcpad);
+
+ gdppay->offset = 0;
+}
+
+static void
+gst_gdp_pay_dispose (GObject * gobject)
+{
+ GstGDPPay *this = GST_GDP_PAY (gobject);
+
+ if (this->caps_buf) {
+ gst_buffer_unref (this->caps_buf);
+ this->caps_buf = NULL;
+ }
+ if (this->new_segment_buf) {
+ gst_buffer_unref (this->new_segment_buf);
+ this->new_segment_buf = NULL;
+ }
+ GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (gobject));
+}
+
+/* set OFFSET and OFFSET_END with running count */
+static void
+gst_gdp_stamp_buffer (GstGDPPay * this, GstBuffer * buffer)
+{
+ GST_BUFFER_OFFSET (buffer) = this->offset;
+ GST_BUFFER_OFFSET_END (buffer) = this->offset + GST_BUFFER_SIZE (buffer);
+ this->offset = GST_BUFFER_OFFSET_END (buffer);
+}
+
+static GstBuffer *
+gst_gdp_buffer_from_caps (GstGDPPay * this, GstCaps * caps)
+{
+ GstBuffer *headerbuf;
+ GstBuffer *payloadbuf;
+ guint8 *header, *payload;
+ guint len;
+
+ if (!gst_dp_packet_from_caps (caps, 0, &len, &header, &payload)) {
+ GST_WARNING_OBJECT (this, "could not create GDP header from caps");
+ return NULL;
+ }
+
+ GST_LOG_OBJECT (this, "creating GDP header and payload buffer from caps");
+ headerbuf = gst_buffer_new ();
+ gst_buffer_set_data (headerbuf, header, len);
+ GST_BUFFER_MALLOCDATA (headerbuf) = header;
+
+ payloadbuf = gst_buffer_new ();
+ gst_buffer_set_data (payloadbuf, payload,
+ gst_dp_header_payload_length (header));
+ GST_BUFFER_MALLOCDATA (payloadbuf) = payload;
+
+ return gst_buffer_join (headerbuf, payloadbuf);
+}
+
+static GstBuffer *
+gst_gdp_pay_buffer_from_buffer (GstGDPPay * this, GstBuffer * buffer)
+{
+ GstBuffer *headerbuf;
+ guint8 *header;
+ guint len;
+
+ if (!gst_dp_header_from_buffer (buffer, 0, &len, &header)) {
+ GST_WARNING_OBJECT (this, "could not create GDP header from buffer");
+ return NULL;
+ }
+
+ GST_LOG_OBJECT (this, "creating GDP header and payload buffer from buffer");
+ headerbuf = gst_buffer_new ();
+ gst_buffer_set_data (headerbuf, header, len);
+ GST_BUFFER_MALLOCDATA (headerbuf) = header;
+
+ /* we do not want to lose the ref on the incoming buffer */
+ gst_buffer_ref (buffer);
+ return gst_buffer_join (headerbuf, buffer);
+}
+
+static GstBuffer *
+gst_gdp_buffer_from_event (GstGDPPay * this, GstEvent * event)
+{
+ GstBuffer *headerbuf;
+ GstBuffer *payloadbuf;
+ guint8 *header, *payload;
+ guint len;
+
+ if (!gst_dp_packet_from_event (event, 0, &len, &header, &payload)) {
+ GST_WARNING_OBJECT (this, "could not create GDP header from event");
+ return NULL;
+ }
+
+ GST_LOG_OBJECT (this, "creating GDP header and payload buffer from event");
+ headerbuf = gst_buffer_new ();
+ gst_buffer_set_data (headerbuf, header, len);
+ GST_BUFFER_MALLOCDATA (headerbuf) = header;
+
+ payloadbuf = gst_buffer_new ();
+ gst_buffer_set_data (payloadbuf, payload,
+ gst_dp_header_payload_length (header));
+ GST_BUFFER_MALLOCDATA (payloadbuf) = payload;
+
+ return gst_buffer_join (headerbuf, payloadbuf);
+}
+
+
+/* set our caps with streamheader, based on the latest newsegment and caps,
+ * and (possibly) GDP-serialized buffers of the streamheaders on the src pad */
+static GstFlowReturn
+gst_gdp_pay_reset_streamheader (GstGDPPay * this)
+{
+ GstCaps *caps;
+ GstStructure *structure;
+ GstBuffer *new_segment_buf, *caps_buf;
+ GstFlowReturn r = GST_FLOW_OK;
+
+ GValue array = { 0 };
+ GValue value = { 0 };
+
+ /* we need both new segment and caps before we can set streamheader */
+ if (!this->new_segment_buf || !this->caps_buf)
+ return GST_FLOW_OK;
+
+ /* we copy to avoid circular refcounts */
+ new_segment_buf = gst_buffer_copy (this->new_segment_buf);
+ caps_buf = gst_buffer_copy (this->caps_buf);
+
+ /* put copies of the buffers in a fixed list */
+ g_value_init (&array, GST_TYPE_ARRAY);
+
+ g_value_init (&value, GST_TYPE_BUFFER);
+ gst_value_set_buffer (&value, new_segment_buf);
+ gst_value_array_append_value (&array, &value);
+ g_value_unset (&value);
+
+ g_value_init (&value, GST_TYPE_BUFFER);
+ gst_value_set_buffer (&value, caps_buf);
+ gst_value_array_append_value (&array, &value);
+ g_value_unset (&value);
+
+ /* we also need to add GDP serializations of the streamheaders of the
+ * incoming caps */
+ /* FIXME: HEREIAM */
+
+ structure = gst_caps_get_structure (this->caps, 0);
+ if (gst_structure_has_field (structure, "streamheader")) {
+ const GValue *sh;
+ GArray *buffers;
+ GstBuffer *buffer;
+ int i;
+
+ sh = gst_structure_get_value (structure, "streamheader");
+ buffers = g_value_peek_pointer (sh);
+ GST_DEBUG_OBJECT (this,
+ "Need to serialize %d incoming streamheader buffers on our streamheader",
+ buffers->len);
+ for (i = 0; i < buffers->len; ++i) {
+ GValue *bufval;
+ GstBuffer *outbuffer;
+
+ bufval = &g_array_index (buffers, GValue, i);
+ buffer = g_value_peek_pointer (bufval);
+ outbuffer = gst_gdp_pay_buffer_from_buffer (this, buffer);
+ g_value_init (&value, GST_TYPE_BUFFER);
+ gst_value_set_buffer (&value, outbuffer);
+ gst_value_array_append_value (&array, &value);
+ g_value_unset (&value);
+ }
+ }
+
+ caps = gst_caps_from_string ("application/x-gdp");
+ structure = gst_caps_get_structure (caps, 0);
+
+ gst_structure_set_value (structure, "streamheader", &array);
+ g_value_unset (&array);
+
+ /* Unref our copies */
+ gst_buffer_unref (new_segment_buf);
+ gst_buffer_unref (caps_buf);
+
+ GST_DEBUG_OBJECT (this, "Setting caps on src pad %" GST_PTR_FORMAT, caps);
+ gst_pad_set_caps (this->srcpad, caps);
+ gst_buffer_set_caps (this->caps_buf, caps);
+ gst_buffer_set_caps (this->new_segment_buf, caps);
+
+ /* if these are our first ever buffers, send out new_segment first */
+ if (!this->sent_streamheader) {
+ GstEvent *event =
+ gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_BYTES, 0, -1, 0);
+ GST_DEBUG_OBJECT (this, "Sending out new_segment event %p", event);
+ if (!gst_pad_push_event (this->srcpad, event)) {
+ GST_WARNING_OBJECT (this, "pushing new segment failed");
+ return GST_FLOW_ERROR;
+ }
+ }
+
+ /* push out these streamheader buffers, then flush our internal queue */
+ GST_DEBUG_OBJECT (this, "Pushing GDP new_segment buffer %p",
+ this->new_segment_buf);
+ /* we stored these bufs with refcount 1, so make sure we keep a ref */
+ r = gst_pad_push (this->srcpad, gst_buffer_ref (this->new_segment_buf));
+ if (r != GST_FLOW_OK) {
+ GST_WARNING_OBJECT (this, "pushing GDP newsegment buffer returned %d", r);
+ return r;
+ }
+ GST_DEBUG_OBJECT (this, "Pushing GDP caps buffer %p", this->new_segment_buf);
+ r = gst_pad_push (this->srcpad, gst_buffer_ref (this->caps_buf));
+ if (r != GST_FLOW_OK) {
+ GST_WARNING_OBJECT (this, "pushing GDP caps buffer returned %d", r);
+ return r;
+ }
+ this->sent_streamheader = TRUE;
+ GST_DEBUG_OBJECT (this, "need to push %d queued buffers",
+ g_list_length (this->queue));
+ if (this->queue) {
+ GList *l;
+
+ for (l = this->queue; l; l = g_list_next (l)) {
+ GST_DEBUG_OBJECT (this, "Pushing queued GDP buffer %p", l->data);
+ gst_buffer_set_caps (l->data, caps);
+ r = gst_pad_push (this->srcpad, l->data);
+ if (r != GST_FLOW_OK) {
+ GST_WARNING_OBJECT (this, "pushing queued GDP buffer returned %d", r);
+ return r;
+ }
+ }
+ }
+
+ return r;
+}
+
+/* queue a buffer internally if we haven't sent streamheader buffers yet;
+ * otherwise, just push on */
+static GstFlowReturn
+gst_gdp_queue_buffer (GstGDPPay * this, GstBuffer * buffer)
+{
+ if (this->sent_streamheader) {
+ GST_LOG_OBJECT (this, "Pushing GDP buffer %p", buffer);
+ GST_LOG_OBJECT (this, "set caps %" GST_PTR_FORMAT, this->caps);
+ return gst_pad_push (this->srcpad, buffer);
+ }
+
+ /* store it on an internal queue */
+ this->queue = g_list_append (this->queue, buffer);
+ GST_DEBUG_OBJECT (this, "queued buffer %p, now %d buffers queued",
+ buffer, g_list_length (this->queue));
+ return GST_FLOW_OK;
+}
+
+static GstFlowReturn
+gst_gdp_pay_chain (GstPad * pad, GstBuffer * buffer)
+{
+ GstGDPPay *this;
+ GstCaps *caps;
+ GstBuffer *outbuffer;
+
+ this = GST_GDP_PAY (gst_pad_get_parent (pad));
+
+ caps = gst_buffer_get_caps (buffer);
+
+ /* we should have received a new_segment before, otherwise it's a bug.
+ * fake one in that case */
+ if (!this->new_segment_buf) {
+ GstEvent *event;
+
+ GST_WARNING_OBJECT (this,
+ "did not receive new-segment before first buffer");
+ event = gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_BYTES, 0, -1, 0);
+ outbuffer = gst_gdp_buffer_from_event (this, event);
+ gst_gdp_stamp_buffer (this, outbuffer);
+ GST_BUFFER_TIMESTAMP (outbuffer) = GST_BUFFER_TIMESTAMP (buffer);
+ GST_BUFFER_DURATION (outbuffer) = 0;
+ this->new_segment_buf = outbuffer;
+ gst_event_unref (event);
+ }
+
+ /* make sure we've received caps before */
+ if (!this->caps && !caps) {
+ GST_WARNING_OBJECT (this, "first received buffer does not have caps set");
+ gst_buffer_unref (buffer);
+ gst_object_unref (this);
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+ /* if the caps have changed, process caps first */
+ if (caps && !gst_caps_is_equal (this->caps, caps)) {
+ GST_LOG_OBJECT (this, "caps changed to %p, %" GST_PTR_FORMAT, caps, caps);
+ gst_caps_replace (&(this->caps), caps);
+ outbuffer = gst_gdp_buffer_from_caps (this, caps);
+ gst_gdp_stamp_buffer (this, outbuffer);
+ GST_BUFFER_TIMESTAMP (outbuffer) = GST_BUFFER_TIMESTAMP (buffer);
+ GST_BUFFER_DURATION (outbuffer) = 0;
+ GST_BUFFER_FLAG_SET (outbuffer, GST_BUFFER_FLAG_IN_CAPS);
+ this->caps_buf = outbuffer;
+ gst_gdp_pay_reset_streamheader (this);
+ }
+
+ /* create a GDP header packet,
+ * then create a GST buffer of the header packet and the buffer contents */
+ outbuffer = gst_gdp_pay_buffer_from_buffer (this, buffer);
+ gst_gdp_stamp_buffer (this, outbuffer);
+ GST_BUFFER_TIMESTAMP (outbuffer) = GST_BUFFER_TIMESTAMP (buffer);
+ GST_BUFFER_DURATION (outbuffer) = GST_BUFFER_DURATION (buffer);
+ gst_buffer_unref (buffer);
+
+ gst_object_unref (this);
+ return gst_gdp_queue_buffer (this, outbuffer);
+}
+
+static gboolean
+gst_gdp_pay_sink_event (GstPad * pad, GstEvent * event)
+{
+ GstBuffer *outbuffer;
+ GstGDPPay *this = GST_GDP_PAY (gst_pad_get_parent (pad));
+ GstFlowReturn flowret;
+ gboolean ret = TRUE;
+
+ /* now turn the event into a buffer */
+ outbuffer = gst_gdp_buffer_from_event (this, event);
+ gst_gdp_stamp_buffer (this, outbuffer);
+ GST_BUFFER_TIMESTAMP (outbuffer) = GST_EVENT_TIMESTAMP (event);
+ GST_BUFFER_DURATION (outbuffer) = 0;
+
+ /* if we got a new segment, we should put it on our streamheader,
+ * and not send it on */
+ if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) {
+ if (this->new_segment_buf) {
+ gst_buffer_unref (this->new_segment_buf);
+ }
+ this->new_segment_buf = outbuffer;
+ gst_gdp_pay_reset_streamheader (this);
+ } else {
+ flowret = gst_gdp_queue_buffer (this, outbuffer);
+ if (flowret != GST_FLOW_OK) {
+ GST_WARNING_OBJECT (this, "queueing GDP caps buffer returned %d",
+ flowret);
+ ret = FALSE;
+ goto done;
+ }
+ }
+
+ /* if we have EOS, we should send on EOS ourselves */
+ if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
+ GST_DEBUG_OBJECT (this, "Sending on EOS event %p", event);
+ return gst_pad_push_event (this->srcpad, event);
+ };
+
+done:
+ gst_object_unref (this);
+ gst_event_unref (event);
+ return ret;
+}
+
+static GstStateChangeReturn
+gst_gdp_pay_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstGDPPay *this = GST_GDP_PAY (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (this->caps) {
+ gst_caps_unref (this->caps);
+ this->caps = NULL;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ return ret;
+}
+
+gboolean
+gst_gdp_pay_plugin_init (GstPlugin * plugin)
+{
+ if (!gst_element_register (plugin, "gdppay", GST_RANK_NONE, GST_TYPE_GDP_PAY))
+ return FALSE;
+
+ return TRUE;
+}
diff --git a/gst/gdp/gstgdppay.h b/gst/gdp/gstgdppay.h
new file mode 100644
index 00000000..255d6c77
--- /dev/null
+++ b/gst/gdp/gstgdppay.h
@@ -0,0 +1,66 @@
+/* Gnome-Streamer
+ * Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
+ *
+ * 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.
+ */
+
+#ifndef __GST_GDP_PAY_H__
+#define __GST_GDP_PAY_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GDP_PAY \
+ (gst_gdp_pay_get_type())
+#define GST_GDP_PAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GDP_PAY,GstGDPPay))
+#define GST_GDP_PAY_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GDP_PAY,GstGDPPay))
+#define GST_IS_GDP_PAY(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GDP_PAY))
+#define GST_IS_GDP_PAY_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GDP_PAY))
+
+typedef struct _GstGDPPay GstGDPPay;
+typedef struct _GstGDPPayClass GstGDPPayClass;
+
+struct _GstGDPPay
+{
+ GstElement element;
+ GstPad *sinkpad;
+ GstPad *srcpad;
+
+ GstCaps *caps; /* incoming caps */
+
+ GstBuffer *caps_buf;
+ GstBuffer *new_segment_buf;
+
+ gboolean sent_streamheader; /* TRUE after the first streamheaders are sent */
+ GList *queue; /* list of queued buffers before streamheaders are sent */
+ guint64 offset;
+};
+
+struct _GstGDPPayClass
+{
+ GstElementClass parent_class;
+};
+
+gboolean gst_gdp_pay_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+
+#endif /* __GST_GDP_PAY_H__ */