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adding GDP payloader and depayloader. Build integration will follow later when the GDP issues for core are sorted out.

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Original commit message from CVS:
* gst/gdp/Makefile.am:
* gst/gdp/gstgdp.c: (plugin_init):
* gst/gdp/gstgdpdepay.c: (gst_gdp_depay_base_init),
(gst_gdp_depay_class_init), (gst_gdp_depay_init),
(gst_gdp_depay_finalize), (gst_gdp_depay_chain),
(gst_gdp_depay_change_state), (gst_gdp_depay_plugin_init):
* gst/gdp/gstgdpdepay.h:
* gst/gdp/gstgdppay.c: (gst_gdp_pay_base_init),
(gst_gdp_pay_class_init), (gst_gdp_pay_init),
(gst_gdp_pay_dispose), (gst_gdp_stamp_buffer),
(gst_gdp_buffer_from_caps), (gst_gdp_pay_buffer_from_buffer),
(gst_gdp_buffer_from_event), (gst_gdp_pay_reset_streamheader),
(gst_gdp_queue_buffer), (gst_gdp_pay_chain),
(gst_gdp_pay_sink_event), (gst_gdp_pay_change_state),
(gst_gdp_pay_plugin_init):
* gst/gdp/gstgdppay.h:
* tests/check/Makefile.am:
* tests/check/elements/gdpdepay.c: (setup_gdpdepay),
(cleanup_gdpdepay), (gdpdepay_push_per_byte), (GST_START_TEST),
(setup_gdpdepay_streamheader), (gdpdepay_suite), (main):
* tests/check/elements/gdppay.c: (setup_gdppay), (cleanup_gdppay),
(GST_START_TEST), (setup_gdppay_streamheader), (gdppay_suite),
(main):
adding GDP payloader and depayloader.  Build integration will
follow later when the GDP issues for core are sorted out.
This commit is contained in:
Thomas Vander Stichele 2006-05-22 13:25:52 +00:00 committed by Tim-Philipp Müller
parent 064b143635
commit 98f21eebb2
8 changed files with 1894 additions and 0 deletions
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13
gst/gdp/Makefile.am Normal file
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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

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gst/gdp/gstgdp.c Normal file
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/* 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);

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gst/gdp/gstgdpdepay.c Normal file
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/* 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;
}

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/* 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__ */

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/* 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;
}

66
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/* 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__ */

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/* 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.
*/
#include <string.h>
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/dataprotocol/dataprotocol.h>
GList *buffers = NULL;
gboolean have_eos = FALSE;
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *mysinkpad, *myshsinkpad;
#define AUDIO_CAPS_TEMPLATE_STRING \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, 8 ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) {8, 16}, " \
"depth = (int) {8, 16}, " \
"signed = (boolean) true"
#define AUDIO_CAPS_STRING \
"audio/x-raw-int, " \
"rate = (int) 1000, " \
"channels = (int) 2, " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (boolean) true"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AUDIO_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-gdp")
);
/* takes over reference for outcaps */
GstElement *
setup_gdpdepay ()
{
GstElement *gdpdepay;
GST_DEBUG ("setup_gdpdepay");
gdpdepay = gst_check_setup_element ("gdpdepay");
mysrcpad = gst_check_setup_src_pad (gdpdepay, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (gdpdepay, &sinktemplate, NULL);
return gdpdepay;
}
void
cleanup_gdpdepay (GstElement * gdpdepay)
{
GST_DEBUG ("cleanup_gdpdepay");
gst_check_teardown_src_pad (gdpdepay);
gst_check_teardown_sink_pad (gdpdepay);
gst_check_teardown_element (gdpdepay);
}
static void
gdpdepay_push_per_byte (gchar * reason, guint8 * bytes, guint length)
{
int i;
GstBuffer *inbuffer;
for (i = 0; i < length; ++i) {
inbuffer = gst_buffer_new_and_alloc (1);
GST_BUFFER_DATA (inbuffer)[0] = bytes[i];
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK,
"%s: failed pushing byte buffer", reason);
}
}
GST_START_TEST (test_audio_per_byte)
{
GstCaps *caps;
GstPad *srcpad;
GstElement *gdpdepay;
GstBuffer *buffer, *inbuffer, *outbuffer;
gint length;
guint8 *header, *payload;
guint len;
guint i;
gdpdepay = setup_gdpdepay ();
srcpad = gst_element_get_pad (gdpdepay, "src");
fail_unless (gst_element_set_state (gdpdepay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
caps = gst_pad_get_caps (srcpad);
fail_unless (gst_caps_is_any (caps));
gst_caps_unref (caps);
fail_if (gst_pad_get_negotiated_caps (srcpad));
/* create caps and buffer packets and push them */
caps = gst_caps_from_string (AUDIO_CAPS_STRING);
fail_unless (gst_dp_packet_from_caps (caps, 0, &len, &header, &payload));
gst_caps_unref (caps);
gdpdepay_push_per_byte ("caps header", header, len);
fail_unless_equals_int (g_list_length (buffers), 0);
gdpdepay_push_per_byte ("caps payload", payload,
gst_dp_header_payload_length (header));
fail_unless_equals_int (g_list_length (buffers), 0);
caps = gst_pad_get_caps (srcpad);
fail_if (gst_caps_is_any (caps));
gst_caps_unref (caps);
g_free (header);
g_free (payload);
buffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (buffer), "f00d", 4);
GST_BUFFER_TIMESTAMP (buffer) = GST_SECOND;
GST_BUFFER_DURATION (buffer) = GST_SECOND / 10;
fail_unless (gst_dp_header_from_buffer (buffer, 0, &len, &header));
gdpdepay_push_per_byte ("buffer header", header, len);
fail_unless_equals_int (g_list_length (buffers), 0);
gdpdepay_push_per_byte ("buffer payload", GST_BUFFER_DATA (buffer),
gst_dp_header_payload_length (header));
g_free (header);
gst_buffer_unref (buffer);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer), GST_SECOND);
fail_unless_equals_uint64 (GST_BUFFER_DURATION (outbuffer), GST_SECOND / 10);
buffers = g_list_remove (buffers, outbuffer);
gst_buffer_unref (outbuffer);
fail_unless (gst_element_set_state (gdpdepay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
gst_object_unref (srcpad);
cleanup_gdpdepay (gdpdepay);
}
GST_END_TEST;
GST_START_TEST (test_audio_in_one_buffer)
{
GstCaps *caps;
GstPad *srcpad;
GstElement *gdpdepay;
GstBuffer *buffer, *inbuffer, *outbuffer;
gint length;
guint8 *caps_header, *caps_payload, *buf_header, *buf_payload;
guint header_len, payload_len;
guint i;
gdpdepay = setup_gdpdepay ();
srcpad = gst_element_get_pad (gdpdepay, "src");
fail_unless (gst_element_set_state (gdpdepay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* make sure no caps are set yet */
caps = gst_pad_get_caps (srcpad);
fail_unless (gst_caps_is_any (caps));
gst_caps_unref (caps);
fail_if (gst_pad_get_negotiated_caps (srcpad));
/* create caps and buffer packets and push them as one buffer */
caps = gst_caps_from_string (AUDIO_CAPS_STRING);
fail_unless (gst_dp_packet_from_caps (caps, 0, &header_len, &caps_header,
&caps_payload));
buffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (buffer), "f00d", 4);
fail_unless (gst_dp_header_from_buffer (buffer, 0, &header_len, &buf_header));
payload_len = gst_dp_header_payload_length (caps_header);
inbuffer = gst_buffer_new_and_alloc (2 * GST_DP_HEADER_LENGTH +
payload_len + GST_BUFFER_SIZE (buffer));
memcpy (GST_BUFFER_DATA (inbuffer), caps_header, GST_DP_HEADER_LENGTH);
i = GST_DP_HEADER_LENGTH;
memcpy (GST_BUFFER_DATA (inbuffer) + i, caps_payload, payload_len);
i += payload_len;
memcpy (GST_BUFFER_DATA (inbuffer) + i, buf_header, GST_DP_HEADER_LENGTH);
i += GST_DP_HEADER_LENGTH;
memcpy (GST_BUFFER_DATA (inbuffer) + i, GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
gst_caps_unref (caps);
gst_buffer_unref (buffer);
g_free (caps_header);
g_free (caps_payload);
g_free (buf_header);
/* now push it */
gst_pad_push (mysrcpad, inbuffer);
/* the buffer is still queued */
fail_unless_equals_int (g_list_length (buffers), 1);
fail_unless (gst_element_set_state (gdpdepay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
gst_object_unref (srcpad);
ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
cleanup_gdpdepay (gdpdepay);
}
GST_END_TEST;
static GstStaticPadTemplate shsinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-gst-test-streamheader")
);
GstElement *
setup_gdpdepay_streamheader ()
{
GstElement *gdpdepay;
GST_DEBUG ("setup_gdpdepay");
gdpdepay = gst_check_setup_element ("gdpdepay");
mysrcpad = gst_check_setup_src_pad (gdpdepay, &srctemplate, NULL);
myshsinkpad = gst_check_setup_sink_pad (gdpdepay, &shsinktemplate, NULL);
return gdpdepay;
}
/* this tests deserialization of a GDP stream where the serialized caps
* have a streamheader set */
GST_START_TEST (test_streamheader)
{
GstCaps *caps, *padcaps;
GstPad *srcpad;
GstElement *gdpdepay;
GstBuffer *buffer, *inbuffer, *outbuffer, *shbuffer;
gint length;
guint8 *caps_header, *caps_payload, *buf_header, *buf_payload;
guint header_len, payload_len;
guint i;
GstStructure *structure;
GValue array = { 0 };
GValue value = { 0 };
gdpdepay = setup_gdpdepay_streamheader ();
srcpad = gst_element_get_pad (gdpdepay, "src");
ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
fail_unless (gst_element_set_state (gdpdepay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* make sure no caps are set yet */
caps = gst_pad_get_caps (srcpad);
fail_unless (gst_caps_is_any (caps));
gst_caps_unref (caps);
fail_if (gst_pad_get_negotiated_caps (srcpad));
/* create a streamheader buffer and the caps containing it */
caps = gst_caps_from_string ("application/x-gst-test-streamheader");
structure = gst_caps_get_structure (caps, 0);
buffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (buffer), "f00d", 4);
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_IN_CAPS);
g_value_init (&array, GST_TYPE_ARRAY);
g_value_init (&value, GST_TYPE_BUFFER);
shbuffer = gst_buffer_copy (buffer);
gst_value_set_buffer (&value, shbuffer);
gst_buffer_unref (shbuffer);
gst_value_array_append_value (&array, &value);
g_value_unset (&value);
gst_structure_set_value (structure, "streamheader", &array);
g_value_unset (&array);
gst_buffer_set_caps (buffer, caps);
/* create GDP packets for the caps and the buffer, and put them in one
* GDP buffer */
fail_unless (gst_dp_packet_from_caps (caps, 0, &header_len, &caps_header,
&caps_payload));
fail_unless (gst_dp_header_from_buffer (buffer, 0, &header_len, &buf_header));
payload_len = gst_dp_header_payload_length (caps_header);
inbuffer = gst_buffer_new_and_alloc (2 * GST_DP_HEADER_LENGTH +
payload_len + GST_BUFFER_SIZE (buffer));
memcpy (GST_BUFFER_DATA (inbuffer), caps_header, GST_DP_HEADER_LENGTH);
i = GST_DP_HEADER_LENGTH;
memcpy (GST_BUFFER_DATA (inbuffer) + i, caps_payload, payload_len);
i += payload_len;
memcpy (GST_BUFFER_DATA (inbuffer) + i, buf_header, GST_DP_HEADER_LENGTH);
i += GST_DP_HEADER_LENGTH;
memcpy (GST_BUFFER_DATA (inbuffer) + i, GST_BUFFER_DATA (buffer),
GST_BUFFER_SIZE (buffer));
gst_caps_unref (caps);
gst_buffer_unref (buffer);
g_free (caps_header);
g_free (caps_payload);
g_free (buf_header);
/* now push it */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
gst_pad_push (mysrcpad, inbuffer);
/* our only output buffer is the streamheader buffer */
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
fail_unless (GST_BUFFER_FLAG_IS_SET (outbuffer, GST_BUFFER_FLAG_IN_CAPS));
padcaps = gst_pad_get_negotiated_caps (myshsinkpad);
caps = gst_buffer_get_caps (outbuffer);
fail_if (caps == NULL);
fail_if (padcaps == NULL);
GST_DEBUG ("caps: %" GST_PTR_FORMAT ", padcaps: %" GST_PTR_FORMAT, caps,
padcaps);
fail_unless (gst_caps_is_equal (padcaps, caps));
/* FIXME: get streamheader, compare data with buffer */
gst_buffer_unref (outbuffer);
gst_caps_unref (padcaps);
gst_caps_unref (caps);
/* clean up */
fail_unless (gst_element_set_state (gdpdepay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
gst_object_unref (srcpad);
ASSERT_OBJECT_REFCOUNT (gdpdepay, "gdpdepay", 1);
cleanup_gdpdepay (gdpdepay);
}
GST_END_TEST;
Suite *
gdpdepay_suite (void)
{
Suite *s = suite_create ("gdpdepay");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_audio_per_byte);
tcase_add_test (tc_chain, test_audio_in_one_buffer);
tcase_add_test (tc_chain, test_streamheader);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gdpdepay_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}

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/* 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.
*/
#include <string.h>
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/dataprotocol/dataprotocol.h>
GList *buffers = NULL;
gboolean have_eos = FALSE;
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *myshsrcpad, *mysinkpad;
#define AUDIO_CAPS_TEMPLATE_STRING \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, 8 ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) {8, 16}, " \
"depth = (int) {8, 16}, " \
"signed = (boolean) true"
#define AUDIO_CAPS_STRING \
"audio/x-raw-int, " \
"rate = (int) 1000, " \
"channels = (int) 2, " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (boolean) true"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-gdp")
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AUDIO_CAPS_TEMPLATE_STRING)
);
/* takes over reference for outcaps */
GstElement *
setup_gdppay ()
{
GstElement *gdppay;
GST_DEBUG ("setup_gdppay");
gdppay = gst_check_setup_element ("gdppay");
mysrcpad = gst_check_setup_src_pad (gdppay, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (gdppay, &sinktemplate, NULL);
return gdppay;
}
void
cleanup_gdppay (GstElement * gdppay)
{
GST_DEBUG ("cleanup_gdppay");
gst_check_teardown_src_pad (gdppay);
gst_check_teardown_sink_pad (gdppay);
gst_check_teardown_element (gdppay);
}
GST_START_TEST (test_audio)
{
GstCaps *caps;
GstElement *gdppay;
GstBuffer *inbuffer, *outbuffer;
GstEvent *event;
gchar *caps_string;
gint length;
gdppay = setup_gdppay ();
fail_unless (gst_element_set_state (gdppay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
GST_DEBUG ("new segment");
event =
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, GST_SECOND, 0);
fail_unless (gst_pad_push_event (mysrcpad, event));
/* no buffer should be pushed yet, waiting for caps */
fail_unless_equals_int (g_list_length (buffers), 0);
GST_DEBUG ("first buffer");
inbuffer = gst_buffer_new_and_alloc (4);
caps = gst_caps_from_string (AUDIO_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
caps_string = gst_caps_to_string (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* we should have three buffers now */
fail_unless_equals_int (g_list_length (buffers), 3);
/* first buffer is the serialized new_segment event;
* the element also holds a ref to it */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 2);
gst_buffer_unref (outbuffer);
/* second buffer is the serialized caps;
* the element also holds a ref to it */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 2);
length = GST_DP_HEADER_LENGTH + (strlen (caps_string) + 1);
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
/* the third buffer is the GDP buffer for our pushed buffer */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
length = GST_DP_HEADER_LENGTH + 4;
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
/* second buffer */
GST_DEBUG ("second buffer");
inbuffer = gst_buffer_new_and_alloc (4);
gst_buffer_set_caps (inbuffer, caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
/* the third output buffer is data */
length = GST_DP_HEADER_LENGTH + 4;
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
/* a third buffer without caps set explicitly; should work */
GST_DEBUG ("Creating third buffer, no caps set");
inbuffer = gst_buffer_new_and_alloc (4);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
/* the fourth output buffer is data */
length = GST_DP_HEADER_LENGTH + 4;
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
fail_unless (gst_element_set_state (gdppay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
gst_caps_unref (caps);
g_free (caps_string);
ASSERT_OBJECT_REFCOUNT (gdppay, "gdppay", 1);
gst_object_unref (gdppay);
}
GST_END_TEST;
static GstStaticPadTemplate shsrctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-gst-test-streamheader")
);
GstElement *
setup_gdppay_streamheader ()
{
GstElement *gdppay;
GST_DEBUG ("setup_gdppay");
gdppay = gst_check_setup_element ("gdppay");
myshsrcpad = gst_check_setup_src_pad (gdppay, &shsrctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (gdppay, &sinktemplate, NULL);
return gdppay;
}
/* this test serializes a stream that already has a streamheader of its own.
* the streamheader should then be serialized and put on the GDP stream's
* streamheader */
GST_START_TEST (test_streamheader)
{
GstCaps *caps, *sinkcaps;
GstElement *gdppay;
GstBuffer *inbuffer, *outbuffer, *shbuffer;
GstEvent *event;
gchar *caps_string;
gint length;
GstStructure *structure;
GValue array = { 0 };
GValue value = { 0 };
const GValue *sh;
GArray *shbuffers;
gdppay = setup_gdppay_streamheader ();
fail_unless (gst_element_set_state (gdppay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
GST_DEBUG ("new segment");
event =
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, GST_SECOND, 0);
fail_unless (gst_pad_push_event (myshsrcpad, event));
/* no buffer should be pushed yet, still waiting for caps */
fail_unless_equals_int (g_list_length (buffers), 0);
GST_DEBUG ("first buffer");
inbuffer = gst_buffer_new_and_alloc (4);
memcpy (GST_BUFFER_DATA (inbuffer), "head", 4);
caps = gst_caps_from_string ("application/x-gst-test-streamheader");
structure = gst_caps_get_structure (caps, 0);
GST_BUFFER_FLAG_SET (inbuffer, GST_BUFFER_FLAG_IN_CAPS);
g_value_init (&array, GST_TYPE_ARRAY);
g_value_init (&value, GST_TYPE_BUFFER);
shbuffer = gst_buffer_copy (inbuffer);
gst_value_set_buffer (&value, shbuffer);
gst_buffer_unref (shbuffer);
gst_value_array_append_value (&array, &value);
g_value_unset (&value);
gst_structure_set_value (structure, "streamheader", &array);
g_value_unset (&array);
caps_string = gst_caps_to_string (caps);
gst_buffer_set_caps (inbuffer, caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (myshsrcpad, inbuffer) == GST_FLOW_OK);
/* we should have three buffers now */
fail_unless_equals_int (g_list_length (buffers), 3);
/* our sink pad should now have GDP caps with a streamheader that includes
* GDP wrappings of our streamheader */
sinkcaps = gst_pad_get_negotiated_caps (mysinkpad);
structure = gst_caps_get_structure (sinkcaps, 0);
fail_unless_equals_string ((gchar *) gst_structure_get_name (structure),
"application/x-gdp");
fail_unless (gst_structure_has_field (structure, "streamheader"));
sh = gst_structure_get_value (structure, "streamheader");
fail_unless (G_VALUE_TYPE (sh) == GST_TYPE_ARRAY);
shbuffers = g_value_peek_pointer (sh);
/* a serialized new_segment, a serialized caps, and serialization of our
* incoming streamheader */
fail_unless_equals_int (shbuffers->len, 3);
gst_caps_unref (sinkcaps);
/* first buffer is the serialized new_segment event;
* the element also holds a ref to it */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 2);
gst_buffer_unref (outbuffer);
/* second buffer is the serialized caps;
* the element also holds a ref to it */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 2);
length = GST_DP_HEADER_LENGTH + (strlen (caps_string) + 1);
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
/* the third buffer is the GDP buffer for our pushed buffer */
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
length = GST_DP_HEADER_LENGTH + 4;
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
/* second buffer */
GST_DEBUG ("second buffer");
inbuffer = gst_buffer_new_and_alloc (4);
gst_buffer_set_caps (inbuffer, caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (myshsrcpad, inbuffer) == GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
/* the third output buffer is data */
length = GST_DP_HEADER_LENGTH + 4;
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
/* a third buffer without caps set explicitly; should work */
GST_DEBUG ("Creating third buffer, no caps set");
inbuffer = gst_buffer_new_and_alloc (4);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (myshsrcpad, inbuffer) == GST_FLOW_OK);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
/* the fourth output buffer is data */
length = GST_DP_HEADER_LENGTH + 4;
fail_unless_equals_int (GST_BUFFER_SIZE (outbuffer), length);
gst_buffer_unref (outbuffer);
fail_unless (gst_element_set_state (gdppay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
gst_caps_unref (caps);
g_free (caps_string);
ASSERT_OBJECT_REFCOUNT (gdppay, "gdppay", 1);
gst_object_unref (gdppay);
}
GST_END_TEST;
GST_START_TEST (test_first_no_caps)
{
GstElement *gdppay;
GstBuffer *inbuffer;
gdppay = setup_gdppay ();
fail_unless (gst_element_set_state (gdppay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
GST_DEBUG ("first buffer");
inbuffer = gst_buffer_new_and_alloc (4);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing should trigger an error */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_NOT_NEGOTIATED);
fail_unless_equals_int (g_list_length (buffers), 0);
fail_unless (gst_element_set_state (gdppay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
ASSERT_OBJECT_REFCOUNT (gdppay, "gdppay", 1);
gst_object_unref (gdppay);
}
GST_END_TEST;
/* element should still work if no new_segment is sent before the first
* buffer */
GST_START_TEST (test_first_no_new_segment)
{
GstElement *gdppay;
GstBuffer *inbuffer;
GstCaps *caps;
gdppay = setup_gdppay ();
fail_unless (gst_element_set_state (gdppay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
GST_DEBUG ("first buffer");
inbuffer = gst_buffer_new_and_alloc (4);
caps = gst_caps_from_string (AUDIO_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* we should have three buffers now;
* one for an "invented" new segment, one for GDP caps, and one with our
* buffer */
fail_unless_equals_int (g_list_length (buffers), 3);
fail_unless (gst_element_set_state (gdppay,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
ASSERT_OBJECT_REFCOUNT (gdppay, "gdppay", 1);
gst_object_unref (gdppay);
}
GST_END_TEST;
Suite *
gdppay_suite (void)
{
Suite *s = suite_create ("gdppay");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_audio);
tcase_add_test (tc_chain, test_first_no_caps);
tcase_add_test (tc_chain, test_first_no_new_segment);
tcase_add_test (tc_chain, test_streamheader);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gdppay_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}