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gst/rtp/: Added very simplistic amr payloader. depayloader does not work yet.

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Original commit message from CVS:
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpamrdec.c: (gst_rtpamrdec_get_type),
(gst_rtpamrdec_base_init), (gst_rtpamrdec_class_init),
(gst_rtpamrdec_init), (gst_rtpamrdec_chain),
(gst_rtpamrdec_set_property), (gst_rtpamrdec_get_property),
(gst_rtpamrdec_change_state), (gst_rtpamrdec_plugin_init):
* gst/rtp/gstrtpamrdec.h:
* gst/rtp/gstrtpamrenc.c: (gst_rtpamrenc_get_type),
(gst_rtpamrenc_base_init), (gst_rtpamrenc_class_init),
(gst_rtpamrenc_init), (gst_rtpamrenc_chain),
(gst_rtpamrenc_set_property), (gst_rtpamrenc_get_property),
(gst_rtpamrenc_change_state), (gst_rtpamrenc_plugin_init):
* gst/rtp/gstrtpamrenc.h:
* gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_class_init),
(gst_rtpmpaenc_flush), (gst_rtpmpaenc_chain):
Added very simplistic amr payloader. depayloader does not
work yet.
This commit is contained in:
Wim Taymans 2005-08-18 17:39:17 +00:00
parent c831aef495
commit dc2d99dc17
13 changed files with 1373 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
ChangeLog
View file

@ -1,3 +1,24 @@
2005-08-18 Wim Taymans <wim@fluendo.com>
* gst/rtp/Makefile.am:
* gst/rtp/gstrtp.c: (plugin_init):
* gst/rtp/gstrtpamrdec.c: (gst_rtpamrdec_get_type),
(gst_rtpamrdec_base_init), (gst_rtpamrdec_class_init),
(gst_rtpamrdec_init), (gst_rtpamrdec_chain),
(gst_rtpamrdec_set_property), (gst_rtpamrdec_get_property),
(gst_rtpamrdec_change_state), (gst_rtpamrdec_plugin_init):
* gst/rtp/gstrtpamrdec.h:
* gst/rtp/gstrtpamrenc.c: (gst_rtpamrenc_get_type),
(gst_rtpamrenc_base_init), (gst_rtpamrenc_class_init),
(gst_rtpamrenc_init), (gst_rtpamrenc_chain),
(gst_rtpamrenc_set_property), (gst_rtpamrenc_get_property),
(gst_rtpamrenc_change_state), (gst_rtpamrenc_plugin_init):
* gst/rtp/gstrtpamrenc.h:
* gst/rtp/gstrtpmpaenc.c: (gst_rtpmpaenc_class_init),
(gst_rtpmpaenc_flush), (gst_rtpmpaenc_chain):
Added very simplistic amr payloader. depayloader does not
work yet.
2005-08-18 Wim Taymans <wim@fluendo.com>
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_send), (gst_rtspsrc_open),

4
gst/rtp/Makefile.am
View file

@ -4,6 +4,8 @@ libgstrtp_la_SOURCES = gstrtp.c \
gstrtpdec.c \
gstrtpmpadec.c \
gstrtpmpaenc.c \
gstrtpamrdec.c \
gstrtpamrenc.c \
gstrtph263pdec.c \
gstrtph263penc.c
@ -16,6 +18,8 @@ libgstrtp_la_LIBADD = $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \
noinst_HEADERS = gstrtpL16enc.h \
gstrtpL16parse.h \
gstrtpamrdec.h \
gstrtpamrenc.h \
gstrtpgsmenc.h \
gstrtpgsmparse.h \
gstrtpmpadec.h \

8
gst/rtp/gstrtp.c
View file

@ -22,6 +22,8 @@
#endif
#include "gstrtpdec.h"
#include "gstrtpamrenc.h"
#include "gstrtpamrdec.h"
#include "gstrtpmpaenc.h"
#include "gstrtpmpadec.h"
#include "gstrtph263pdec.h"
@ -33,6 +35,12 @@ plugin_init (GstPlugin * plugin)
if (!gst_rtpdec_plugin_init (plugin))
return FALSE;
if (!gst_rtpamrdec_plugin_init (plugin))
return FALSE;
if (!gst_rtpamrenc_plugin_init (plugin))
return FALSE;
if (!gst_rtpmpadec_plugin_init (plugin))
return FALSE;

261
gst/rtp/gstrtpamrdec.c Normal file
View file

@ -0,0 +1,261 @@
/* GStreamer
* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpamrdec.h"
/* elementfactory information */
static GstElementDetails gst_rtp_amrdec_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Extracts MPEG audio from RTP packets",
"Wim Taymans <wim@fluendo.com>"
};
/* RtpAMRDec signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtpamrdec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg")
);
static GstStaticPadTemplate gst_rtpamrdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static void gst_rtpamrdec_class_init (GstRtpAMRDecClass * klass);
static void gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass);
static void gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec);
static GstFlowReturn gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtpamrdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtpamrdec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementStateReturn gst_rtpamrdec_change_state (GstElement * element);
static GstElementClass *parent_class = NULL;
static GType
gst_rtpamrdec_get_type (void)
{
static GType rtpamrdec_type = 0;
if (!rtpamrdec_type) {
static const GTypeInfo rtpamrdec_info = {
sizeof (GstRtpAMRDecClass),
(GBaseInitFunc) gst_rtpamrdec_base_init,
NULL,
(GClassInitFunc) gst_rtpamrdec_class_init,
NULL,
NULL,
sizeof (GstRtpAMRDec),
0,
(GInstanceInitFunc) gst_rtpamrdec_init,
};
rtpamrdec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMRDec",
&rtpamrdec_info, 0);
}
return rtpamrdec_type;
}
static void
gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrdec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrdec_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_amrdec_details);
}
static void
gst_rtpamrdec_class_init (GstRtpAMRDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtpamrdec_set_property;
gobject_class->get_property = gst_rtpamrdec_get_property;
gstelement_class->change_state = gst_rtpamrdec_change_state;
}
static void
gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec)
{
rtpamrdec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrdec_src_template), "src");
gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->srcpad);
rtpamrdec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrdec_sink_template), "sink");
gst_pad_set_chain_function (rtpamrdec->sinkpad, gst_rtpamrdec_chain);
gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->sinkpad);
}
static GstFlowReturn
gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buf)
{
GstRtpAMRDec *rtpamrdec;
GstBuffer *outbuf;
GstFlowReturn ret;
rtpamrdec = GST_RTP_AMR_DEC (GST_OBJECT_PARENT (pad));
if (!gst_rtpbuffer_validate (buf))
goto bad_packet;
{
gint payload_len;
guint8 *payload;
guint16 frag_offset;
guint32 timestamp;
payload_len = gst_rtpbuffer_get_payload_len (buf);
payload = gst_rtpbuffer_get_payload (buf);
frag_offset = (payload[2] << 8) | payload[3];
/* strip off header */
payload_len -= 4;
payload += 4;
timestamp = gst_rtpbuffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
//GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 90000;
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
GST_DEBUG ("gst_rtpamrdec_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
gst_buffer_unref (buf);
ret = gst_pad_push (rtpamrdec->srcpad, outbuf);
}
return ret;
bad_packet:
{
GST_DEBUG ("Packet did not validate");
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
}
static void
gst_rtpamrdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpAMRDec *rtpamrdec;
rtpamrdec = GST_RTP_AMR_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtpamrdec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpAMRDec *rtpamrdec;
rtpamrdec = GST_RTP_AMR_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_rtpamrdec_change_state (GstElement * element)
{
GstRtpAMRDec *rtpamrdec;
gint transition;
GstElementStateReturn ret;
rtpamrdec = GST_RTP_AMR_DEC (element);
transition = GST_STATE_TRANSITION (element);
switch (transition) {
case GST_STATE_NULL_TO_READY:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
switch (transition) {
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
gboolean
gst_rtpamrdec_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpamrdec",
GST_RANK_NONE, GST_TYPE_RTP_AMR_DEC);
}

60
gst/rtp/gstrtpamrdec.h Normal file
View file

@ -0,0 +1,60 @@
/* 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_RTP_AMR_DEC_H__
#define __GST_RTP_AMR_DEC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_AMR_DEC \
(gst_rtpamrdec_get_type())
#define GST_RTP_AMR_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec))
#define GST_RTP_AMR_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec))
#define GST_IS_RTP_AMR_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_DEC))
#define GST_IS_RTP_AMR_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_DEC))
typedef struct _GstRtpAMRDec GstRtpAMRDec;
typedef struct _GstRtpAMRDecClass GstRtpAMRDecClass;
struct _GstRtpAMRDec
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
guint frequency;
};
struct _GstRtpAMRDecClass
{
GstElementClass parent_class;
};
gboolean gst_rtpamrdec_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_AMR_DEC_H__ */

261
gst/rtp/gstrtpamrdepay.c Normal file
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@ -0,0 +1,261 @@
/* GStreamer
* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpamrdec.h"
/* elementfactory information */
static GstElementDetails gst_rtp_amrdec_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Extracts MPEG audio from RTP packets",
"Wim Taymans <wim@fluendo.com>"
};
/* RtpAMRDec signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_FREQUENCY
};
static GstStaticPadTemplate gst_rtpamrdec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg")
);
static GstStaticPadTemplate gst_rtpamrdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static void gst_rtpamrdec_class_init (GstRtpAMRDecClass * klass);
static void gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass);
static void gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec);
static GstFlowReturn gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtpamrdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtpamrdec_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementStateReturn gst_rtpamrdec_change_state (GstElement * element);
static GstElementClass *parent_class = NULL;
static GType
gst_rtpamrdec_get_type (void)
{
static GType rtpamrdec_type = 0;
if (!rtpamrdec_type) {
static const GTypeInfo rtpamrdec_info = {
sizeof (GstRtpAMRDecClass),
(GBaseInitFunc) gst_rtpamrdec_base_init,
NULL,
(GClassInitFunc) gst_rtpamrdec_class_init,
NULL,
NULL,
sizeof (GstRtpAMRDec),
0,
(GInstanceInitFunc) gst_rtpamrdec_init,
};
rtpamrdec_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMRDec",
&rtpamrdec_info, 0);
}
return rtpamrdec_type;
}
static void
gst_rtpamrdec_base_init (GstRtpAMRDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrdec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrdec_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_amrdec_details);
}
static void
gst_rtpamrdec_class_init (GstRtpAMRDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtpamrdec_set_property;
gobject_class->get_property = gst_rtpamrdec_get_property;
gstelement_class->change_state = gst_rtpamrdec_change_state;
}
static void
gst_rtpamrdec_init (GstRtpAMRDec * rtpamrdec)
{
rtpamrdec->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrdec_src_template), "src");
gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->srcpad);
rtpamrdec->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrdec_sink_template), "sink");
gst_pad_set_chain_function (rtpamrdec->sinkpad, gst_rtpamrdec_chain);
gst_element_add_pad (GST_ELEMENT (rtpamrdec), rtpamrdec->sinkpad);
}
static GstFlowReturn
gst_rtpamrdec_chain (GstPad * pad, GstBuffer * buf)
{
GstRtpAMRDec *rtpamrdec;
GstBuffer *outbuf;
GstFlowReturn ret;
rtpamrdec = GST_RTP_AMR_DEC (GST_OBJECT_PARENT (pad));
if (!gst_rtpbuffer_validate (buf))
goto bad_packet;
{
gint payload_len;
guint8 *payload;
guint16 frag_offset;
guint32 timestamp;
payload_len = gst_rtpbuffer_get_payload_len (buf);
payload = gst_rtpbuffer_get_payload (buf);
frag_offset = (payload[2] << 8) | payload[3];
/* strip off header */
payload_len -= 4;
payload += 4;
timestamp = gst_rtpbuffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len);
//GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 90000;
memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
GST_DEBUG ("gst_rtpamrdec_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
gst_buffer_unref (buf);
ret = gst_pad_push (rtpamrdec->srcpad, outbuf);
}
return ret;
bad_packet:
{
GST_DEBUG ("Packet did not validate");
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
}
static void
gst_rtpamrdec_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpAMRDec *rtpamrdec;
rtpamrdec = GST_RTP_AMR_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtpamrdec_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpAMRDec *rtpamrdec;
rtpamrdec = GST_RTP_AMR_DEC (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_rtpamrdec_change_state (GstElement * element)
{
GstRtpAMRDec *rtpamrdec;
gint transition;
GstElementStateReturn ret;
rtpamrdec = GST_RTP_AMR_DEC (element);
transition = GST_STATE_TRANSITION (element);
switch (transition) {
case GST_STATE_NULL_TO_READY:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
switch (transition) {
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
gboolean
gst_rtpamrdec_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpamrdec",
GST_RANK_NONE, GST_TYPE_RTP_AMR_DEC);
}

60
gst/rtp/gstrtpamrdepay.h Normal file
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@ -0,0 +1,60 @@
/* 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_RTP_AMR_DEC_H__
#define __GST_RTP_AMR_DEC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_AMR_DEC \
(gst_rtpamrdec_get_type())
#define GST_RTP_AMR_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec))
#define GST_RTP_AMR_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_DEC,GstRtpAMRDec))
#define GST_IS_RTP_AMR_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_DEC))
#define GST_IS_RTP_AMR_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_DEC))
typedef struct _GstRtpAMRDec GstRtpAMRDec;
typedef struct _GstRtpAMRDecClass GstRtpAMRDecClass;
struct _GstRtpAMRDec
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
guint frequency;
};
struct _GstRtpAMRDecClass
{
GstElementClass parent_class;
};
gboolean gst_rtpamrdec_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_AMR_DEC_H__ */

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/* GStreamer
* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "gstrtpamrenc.h"
/* elementfactory information */
static GstElementDetails gst_rtp_amrenc_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Encode AMR audio into RTP packets",
"Wim Taymans <wim@fluendo.com>"
};
/* RtpAMREnc signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
#define DEFAULT_MTU 1024
enum
{
PROP_0,
PROP_MTU
};
static GstStaticPadTemplate gst_rtpamrenc_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-amr-nb, channels=(int)1, rate=(int)8000")
);
static GstStaticPadTemplate gst_rtpamrenc_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static void gst_rtpamrenc_class_init (GstRtpAMREncClass * klass);
static void gst_rtpamrenc_base_init (GstRtpAMREncClass * klass);
static void gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc);
static GstFlowReturn gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtpamrenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtpamrenc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementStateReturn gst_rtpamrenc_change_state (GstElement * element);
static GstElementClass *parent_class = NULL;
static GType
gst_rtpamrenc_get_type (void)
{
static GType rtpamrenc_type = 0;
if (!rtpamrenc_type) {
static const GTypeInfo rtpamrenc_info = {
sizeof (GstRtpAMREncClass),
(GBaseInitFunc) gst_rtpamrenc_base_init,
NULL,
(GClassInitFunc) gst_rtpamrenc_class_init,
NULL,
NULL,
sizeof (GstRtpAMREnc),
0,
(GInstanceInitFunc) gst_rtpamrenc_init,
};
rtpamrenc_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMREnc",
&rtpamrenc_info, 0);
}
return rtpamrenc_type;
}
static void
gst_rtpamrenc_base_init (GstRtpAMREncClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrenc_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrenc_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_amrenc_details);
}
static void
gst_rtpamrenc_class_init (GstRtpAMREncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtpamrenc_set_property;
gobject_class->get_property = gst_rtpamrenc_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MTU,
g_param_spec_uint ("mtu", "MTU",
"Maximum size of one packet",
28, G_MAXUINT, DEFAULT_MTU, G_PARAM_READWRITE));
gstelement_class->change_state = gst_rtpamrenc_change_state;
}
static void
gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc)
{
rtpamrenc->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrenc_src_template), "src");
gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->srcpad);
rtpamrenc->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrenc_sink_template), "sink");
gst_pad_set_chain_function (rtpamrenc->sinkpad, gst_rtpamrenc_chain);
gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->sinkpad);
rtpamrenc->mtu = DEFAULT_MTU;
}
static GstFlowReturn
gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer)
{
GstRtpAMREnc *rtpamrenc;
GstFlowReturn ret;
guint size, payload_len;
GstBuffer *outbuf;
guint8 *payload;
GstClockTime timestamp;
rtpamrenc = GST_RTP_AMR_ENC (gst_pad_get_parent (pad));
size = GST_BUFFER_SIZE (buffer);
timestamp = GST_BUFFER_TIMESTAMP (buffer);
/* FIXME, only one AMR frame per RTP packet for now,
* octet aligned, no interleaving, single channel, no CRC,
* no robust-sorting. */
payload_len = size + 2;
outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0);
/* FIXME, assert for now */
g_assert (GST_BUFFER_SIZE (outbuf) < rtpamrenc->mtu);
gst_rtpbuffer_set_seq (outbuf, rtpamrenc->seqnum++);
gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND);
/* copy timestamp */
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
/* get payload */
payload = gst_rtpbuffer_get_payload (outbuf);
/* 0 1 2 3 4 5 6 7
* +-+-+-+-+-+-+-+-+
* | CMR |R|R|R|R|
* +-+-+-+-+-+-+-+-+
*/
payload[0] = 0xF0; /* CMR, no specific mode requested */
/* 0 1 2 3 4 5 6 7
* +-+-+-+-+-+-+-+-+
* |F| FT |Q|P|P|
* +-+-+-+-+-+-+-+-+
*/
payload[1] = 0x04; /* ToC, no damage (Q=1) */
/* copy data in payload */
memcpy (&payload[2], GST_BUFFER_DATA (buffer), size);
gst_buffer_unref (buffer);
ret = gst_pad_push (rtpamrenc->srcpad, outbuf);
gst_object_unref (rtpamrenc);
return ret;
}
static void
gst_rtpamrenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpAMREnc *rtpamrenc;
rtpamrenc = GST_RTP_AMR_ENC (object);
switch (prop_id) {
case PROP_MTU:
rtpamrenc->mtu = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtpamrenc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpAMREnc *rtpamrenc;
rtpamrenc = GST_RTP_AMR_ENC (object);
switch (prop_id) {
case PROP_MTU:
g_value_set_uint (value, rtpamrenc->mtu);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_rtpamrenc_change_state (GstElement * element)
{
GstRtpAMREnc *rtpamrenc;
gint transition;
GstElementStateReturn ret;
rtpamrenc = GST_RTP_AMR_ENC (element);
transition = GST_STATE_TRANSITION (element);
switch (transition) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
rtpamrenc->seqnum = 0;
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
switch (transition) {
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
gboolean
gst_rtpamrenc_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpamrenc",
GST_RANK_NONE, GST_TYPE_RTP_AMR_ENC);
}

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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_RTP_AMR_ENC_H__
#define __GST_RTP_AMR_ENC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_AMR_ENC \
(gst_rtpamrenc_get_type())
#define GST_RTP_AMR_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc))
#define GST_RTP_AMR_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc))
#define GST_IS_RTP_AMR_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_ENC))
#define GST_IS_RTP_AMR_ENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_ENC))
typedef struct _GstRtpAMREnc GstRtpAMREnc;
typedef struct _GstRtpAMREncClass GstRtpAMREncClass;
struct _GstRtpAMREnc
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
guint16 seqnum;
guint mtu;
};
struct _GstRtpAMREncClass
{
GstElementClass parent_class;
};
gboolean gst_rtpamrenc_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_AMR_ENC_H__ */

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/* GStreamer
* 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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "gstrtpamrenc.h"
/* elementfactory information */
static GstElementDetails gst_rtp_amrenc_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Encode AMR audio into RTP packets",
"Wim Taymans <wim@fluendo.com>"
};
/* RtpAMREnc signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
#define DEFAULT_MTU 1024
enum
{
PROP_0,
PROP_MTU
};
static GstStaticPadTemplate gst_rtpamrenc_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-amr-nb, channels=(int)1, rate=(int)8000")
);
static GstStaticPadTemplate gst_rtpamrenc_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp")
);
static void gst_rtpamrenc_class_init (GstRtpAMREncClass * klass);
static void gst_rtpamrenc_base_init (GstRtpAMREncClass * klass);
static void gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc);
static GstFlowReturn gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer);
static void gst_rtpamrenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtpamrenc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementStateReturn gst_rtpamrenc_change_state (GstElement * element);
static GstElementClass *parent_class = NULL;
static GType
gst_rtpamrenc_get_type (void)
{
static GType rtpamrenc_type = 0;
if (!rtpamrenc_type) {
static const GTypeInfo rtpamrenc_info = {
sizeof (GstRtpAMREncClass),
(GBaseInitFunc) gst_rtpamrenc_base_init,
NULL,
(GClassInitFunc) gst_rtpamrenc_class_init,
NULL,
NULL,
sizeof (GstRtpAMREnc),
0,
(GInstanceInitFunc) gst_rtpamrenc_init,
};
rtpamrenc_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRtpAMREnc",
&rtpamrenc_info, 0);
}
return rtpamrenc_type;
}
static void
gst_rtpamrenc_base_init (GstRtpAMREncClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrenc_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtpamrenc_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_amrenc_details);
}
static void
gst_rtpamrenc_class_init (GstRtpAMREncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_rtpamrenc_set_property;
gobject_class->get_property = gst_rtpamrenc_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MTU,
g_param_spec_uint ("mtu", "MTU",
"Maximum size of one packet",
28, G_MAXUINT, DEFAULT_MTU, G_PARAM_READWRITE));
gstelement_class->change_state = gst_rtpamrenc_change_state;
}
static void
gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc)
{
rtpamrenc->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrenc_src_template), "src");
gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->srcpad);
rtpamrenc->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_rtpamrenc_sink_template), "sink");
gst_pad_set_chain_function (rtpamrenc->sinkpad, gst_rtpamrenc_chain);
gst_element_add_pad (GST_ELEMENT (rtpamrenc), rtpamrenc->sinkpad);
rtpamrenc->mtu = DEFAULT_MTU;
}
static GstFlowReturn
gst_rtpamrenc_chain (GstPad * pad, GstBuffer * buffer)
{
GstRtpAMREnc *rtpamrenc;
GstFlowReturn ret;
guint size, payload_len;
GstBuffer *outbuf;
guint8 *payload;
GstClockTime timestamp;
rtpamrenc = GST_RTP_AMR_ENC (gst_pad_get_parent (pad));
size = GST_BUFFER_SIZE (buffer);
timestamp = GST_BUFFER_TIMESTAMP (buffer);
/* FIXME, only one AMR frame per RTP packet for now,
* octet aligned, no interleaving, single channel, no CRC,
* no robust-sorting. */
payload_len = size + 2;
outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0);
/* FIXME, assert for now */
g_assert (GST_BUFFER_SIZE (outbuf) < rtpamrenc->mtu);
gst_rtpbuffer_set_seq (outbuf, rtpamrenc->seqnum++);
gst_rtpbuffer_set_timestamp (outbuf, timestamp * 8000 / GST_SECOND);
/* copy timestamp */
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
/* get payload */
payload = gst_rtpbuffer_get_payload (outbuf);
/* 0 1 2 3 4 5 6 7
* +-+-+-+-+-+-+-+-+
* | CMR |R|R|R|R|
* +-+-+-+-+-+-+-+-+
*/
payload[0] = 0xF0; /* CMR, no specific mode requested */
/* 0 1 2 3 4 5 6 7
* +-+-+-+-+-+-+-+-+
* |F| FT |Q|P|P|
* +-+-+-+-+-+-+-+-+
*/
payload[1] = 0x04; /* ToC, no damage (Q=1) */
/* copy data in payload */
memcpy (&payload[2], GST_BUFFER_DATA (buffer), size);
gst_buffer_unref (buffer);
ret = gst_pad_push (rtpamrenc->srcpad, outbuf);
gst_object_unref (rtpamrenc);
return ret;
}
static void
gst_rtpamrenc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpAMREnc *rtpamrenc;
rtpamrenc = GST_RTP_AMR_ENC (object);
switch (prop_id) {
case PROP_MTU:
rtpamrenc->mtu = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtpamrenc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstRtpAMREnc *rtpamrenc;
rtpamrenc = GST_RTP_AMR_ENC (object);
switch (prop_id) {
case PROP_MTU:
g_value_set_uint (value, rtpamrenc->mtu);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_rtpamrenc_change_state (GstElement * element)
{
GstRtpAMREnc *rtpamrenc;
gint transition;
GstElementStateReturn ret;
rtpamrenc = GST_RTP_AMR_ENC (element);
transition = GST_STATE_TRANSITION (element);
switch (transition) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
rtpamrenc->seqnum = 0;
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element);
switch (transition) {
case GST_STATE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
gboolean
gst_rtpamrenc_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpamrenc",
GST_RANK_NONE, GST_TYPE_RTP_AMR_ENC);
}

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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_RTP_AMR_ENC_H__
#define __GST_RTP_AMR_ENC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_AMR_ENC \
(gst_rtpamrenc_get_type())
#define GST_RTP_AMR_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc))
#define GST_RTP_AMR_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_AMR_ENC,GstRtpAMREnc))
#define GST_IS_RTP_AMR_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_AMR_ENC))
#define GST_IS_RTP_AMR_ENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_AMR_ENC))
typedef struct _GstRtpAMREnc GstRtpAMREnc;
typedef struct _GstRtpAMREncClass GstRtpAMREncClass;
struct _GstRtpAMREnc
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
guint16 seqnum;
guint mtu;
};
struct _GstRtpAMREncClass
{
GstElementClass parent_class;
};
gboolean gst_rtpamrenc_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_RTP_AMR_ENC_H__ */

2
gst/rtp/gstrtpmpaenc.c
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@ -26,7 +26,7 @@
static GstElementDetails gst_rtp_mpaenc_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Extracts MPEG audio from RTP packets",
"Encode MPEG audio as RTP packets",
"Wim Taymans <wim@fluendo.com>"
};

2
gst/rtp/gstrtpmpapay.c
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@ -26,7 +26,7 @@
static GstElementDetails gst_rtp_mpaenc_details = {
"RTP packet parser",
"Codec/Parser/Network",
"Extracts MPEG audio from RTP packets",
"Encode MPEG audio as RTP packets",
"Wim Taymans <wim@fluendo.com>"
};