gstreamer/gst/rtp/gstasteriskh263.c
Wim Taymans 5e27695ca2 gst/rtp/: Fix the descriptions and fix some email addresses.
Original commit message from CVS:
* gst/rtp/gstasteriskh263.c:
* gst/rtp/gstasteriskh263.h:
* gst/rtp/gstrtpL16depay.c: (gst_rtp_L16_depay_setcaps):
* gst/rtp/gstrtpL16depay.h:
* gst/rtp/gstrtpL16pay.c:
* gst/rtp/gstrtpL16pay.h:
* gst/rtp/gstrtpac3depay.c: (gst_rtp_ac3_depay_setcaps):
* gst/rtp/gstrtpac3depay.h:
* gst/rtp/gstrtpamrdepay.c:
* gst/rtp/gstrtpamrdepay.h:
* gst/rtp/gstrtpamrpay.c:
* gst/rtp/gstrtpamrpay.h:
* gst/rtp/gstrtpdepay.c:
* gst/rtp/gstrtpdepay.h:
* gst/rtp/gstrtpdvdepay.c: (gst_rtp_dv_depay_setcaps):
* gst/rtp/gstrtpg726depay.c:
* gst/rtp/gstrtpg726pay.c:
* gst/rtp/gstrtpg729depay.c:
* gst/rtp/gstrtpg729pay.c:
* gst/rtp/gstrtpgsmdepay.c:
* gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_setcaps):
* gst/rtp/gstrtph263depay.c: (gst_rtp_h263_depay_setcaps):
* gst/rtp/gstrtph263depay.h:
* gst/rtp/gstrtph263pay.c:
* gst/rtp/gstrtph263pay.h:
* gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_setcaps):
* gst/rtp/gstrtph263pdepay.h:
* gst/rtp/gstrtph263ppay.c:
* gst/rtp/gstrtph263ppay.h:
* gst/rtp/gstrtph264depay.c:
* gst/rtp/gstrtph264depay.h:
* gst/rtp/gstrtph264pay.c:
* gst/rtp/gstrtph264pay.h:
* gst/rtp/gstrtpilbcdepay.c:
* gst/rtp/gstrtpilbcpay.c:
* gst/rtp/gstrtpjpegdepay.h:
* gst/rtp/gstrtpmp1sdepay.c: (gst_rtp_mp1s_depay_setcaps):
* gst/rtp/gstrtpmp1sdepay.h:
* gst/rtp/gstrtpmp2tdepay.c: (gst_rtp_mp2t_depay_setcaps):
* gst/rtp/gstrtpmp2tdepay.h:
* gst/rtp/gstrtpmp2tpay.c:
* gst/rtp/gstrtpmp2tpay.h:
* gst/rtp/gstrtpmp4adepay.c: (gst_rtp_mp4a_depay_setcaps):
* gst/rtp/gstrtpmp4apay.c:
* gst/rtp/gstrtpmp4apay.h:
* gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_setcaps):
* gst/rtp/gstrtpmp4gdepay.h:
* gst/rtp/gstrtpmp4gpay.c:
* gst/rtp/gstrtpmp4gpay.h:
* gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_setcaps):
* gst/rtp/gstrtpmp4vdepay.h:
* gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_event):
* gst/rtp/gstrtpmp4vpay.h:
* gst/rtp/gstrtpmpadepay.c:
* gst/rtp/gstrtpmpadepay.h:
* gst/rtp/gstrtpmpapay.c:
* gst/rtp/gstrtpmpapay.h:
* gst/rtp/gstrtpmpvdepay.c:
* gst/rtp/gstrtpmpvdepay.h:
* gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_process):
* gst/rtp/gstrtppcmapay.c:
* gst/rtp/gstrtppcmudepay.c:
* gst/rtp/gstrtppcmupay.c:
* gst/rtp/gstrtpspeexdepay.c:
* gst/rtp/gstrtpspeexpay.c:
* gst/rtp/gstrtpsv3vdepay.c:
* gst/rtp/gstrtpsv3vdepay.h:
* gst/rtp/gstrtptheoradepay.c:
* gst/rtp/gstrtptheoradepay.h:
* gst/rtp/gstrtptheorapay.c:
* gst/rtp/gstrtptheorapay.h:
* gst/rtp/gstrtpvorbisdepay.c:
* gst/rtp/gstrtpvorbisdepay.h:
* gst/rtp/gstrtpvorbispay.c: (gst_rtp_vorbis_pay_finish_headers):
* gst/rtp/gstrtpvorbispay.h:
* gst/rtp/gstrtpvrawdepay.c: (gst_rtp_vraw_depay_setcaps):
* gst/rtp/gstrtpvrawpay.c:
Fix the descriptions and fix some email addresses.
2008-11-25 18:03:02 +00:00

267 lines
7.5 KiB
C

/* GStreamer
* Copyright (C) <2005> Wim Taymans <wim.taymans@gmail.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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <gst/rtp/gstrtpbuffer.h>
#include "gstasteriskh263.h"
/* Cygwin has both netinet/in.h and winsock2.h, but
* only one can be included, so prefer the unix one */
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#else
#ifdef HAVE_WINSOCK2_H
# include <winsock2.h>
#endif
#endif
#define GST_ASTERISKH263_HEADER_LEN 6
typedef struct _GstAsteriskH263Header
{
guint32 timestamp; /* Timestamp */
guint16 length; /* Length */
} GstAsteriskH263Header;
#define GST_ASTERISKH263_HEADER_TIMESTAMP(buf) (((GstAsteriskH263Header *)(GST_BUFFER_DATA (buf)))->timestamp)
#define GST_ASTERISKH263_HEADER_LENGTH(buf) (((GstAsteriskH263Header *)(GST_BUFFER_DATA (buf)))->length)
/* elementfactory information */
static const GstElementDetails gst_rtp_h263p_depaydetails =
GST_ELEMENT_DETAILS ("RTP Asterisk H263 depayloader",
"Codec/Depayloader/Network",
"Extracts H263 video from RTP and encodes in Asterisk H263 format",
"Neil Stratford <neils@vipadia.com>");
static GstStaticPadTemplate gst_asteriskh263_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-asteriskh263")
);
static GstStaticPadTemplate gst_asteriskh263_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"video\", "
"payload = (int) [ 96, 127 ], "
"clock-rate = (int) 90000, " "encoding-name = (string) \"H263-1998\"")
);
static void gst_asteriskh263_class_init (GstAsteriskh263Class * klass);
static void gst_asteriskh263_base_init (GstAsteriskh263Class * klass);
static void gst_asteriskh263_init (GstAsteriskh263 * asteriskh263);
static void gst_asteriskh263_finalize (GObject * object);
static GstFlowReturn gst_asteriskh263_chain (GstPad * pad, GstBuffer * buffer);
static GstStateChangeReturn gst_asteriskh263_change_state (GstElement *
element, GstStateChange transition);
static GstElementClass *parent_class = NULL;
static GType
gst_asteriskh263_get_type (void)
{
static GType asteriskh263_type = 0;
if (!asteriskh263_type) {
static const GTypeInfo asteriskh263_info = {
sizeof (GstAsteriskh263Class),
(GBaseInitFunc) gst_asteriskh263_base_init,
NULL,
(GClassInitFunc) gst_asteriskh263_class_init,
NULL,
NULL,
sizeof (GstAsteriskh263),
0,
(GInstanceInitFunc) gst_asteriskh263_init,
};
asteriskh263_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstAsteriskh263",
&asteriskh263_info, 0);
}
return asteriskh263_type;
}
static void
gst_asteriskh263_base_init (GstAsteriskh263Class * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_asteriskh263_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_asteriskh263_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_h263p_depaydetails);
}
static void
gst_asteriskh263_class_init (GstAsteriskh263Class * 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->finalize = gst_asteriskh263_finalize;
gstelement_class->change_state = gst_asteriskh263_change_state;
}
static void
gst_asteriskh263_init (GstAsteriskh263 * asteriskh263)
{
asteriskh263->srcpad =
gst_pad_new_from_static_template (&gst_asteriskh263_src_template, "src");
gst_element_add_pad (GST_ELEMENT (asteriskh263), asteriskh263->srcpad);
asteriskh263->sinkpad =
gst_pad_new_from_static_template (&gst_asteriskh263_sink_template,
"sink");
gst_pad_set_chain_function (asteriskh263->sinkpad, gst_asteriskh263_chain);
gst_element_add_pad (GST_ELEMENT (asteriskh263), asteriskh263->sinkpad);
asteriskh263->adapter = gst_adapter_new ();
}
static void
gst_asteriskh263_finalize (GObject * object)
{
GstAsteriskh263 *asteriskh263;
asteriskh263 = GST_ASTERISK_H263 (object);
g_object_unref (asteriskh263->adapter);
asteriskh263->adapter = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GstFlowReturn
gst_asteriskh263_chain (GstPad * pad, GstBuffer * buf)
{
GstAsteriskh263 *asteriskh263;
GstBuffer *outbuf;
GstFlowReturn ret;
asteriskh263 = GST_ASTERISK_H263 (GST_OBJECT_PARENT (pad));
if (!gst_rtp_buffer_validate (buf))
goto bad_packet;
{
gint payload_len;
guint8 *payload;
gboolean M;
guint32 timestamp;
guint32 samples;
guint16 asterisk_len;
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
M = gst_rtp_buffer_get_marker (buf);
timestamp = gst_rtp_buffer_get_timestamp (buf);
outbuf = gst_buffer_new_and_alloc (payload_len +
GST_ASTERISKH263_HEADER_LEN);
/* build the asterisk header */
asterisk_len = payload_len;
if (M)
asterisk_len |= 0x8000;
if (!asteriskh263->lastts)
asteriskh263->lastts = timestamp;
samples = timestamp - asteriskh263->lastts;
asteriskh263->lastts = timestamp;
GST_ASTERISKH263_HEADER_TIMESTAMP (outbuf) = g_htonl (samples);
GST_ASTERISKH263_HEADER_LENGTH (outbuf) = g_htons (asterisk_len);
/* copy the data into place */
memcpy (GST_BUFFER_DATA (outbuf) + GST_ASTERISKH263_HEADER_LEN, payload,
payload_len);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
gst_buffer_set_caps (outbuf,
(GstCaps *) gst_pad_get_pad_template_caps (asteriskh263->srcpad));
ret = gst_pad_push (asteriskh263->srcpad, outbuf);
gst_buffer_unref (buf);
}
return ret;
bad_packet:
{
GST_DEBUG ("Packet does not validate");
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
}
static GstStateChangeReturn
gst_asteriskh263_change_state (GstElement * element, GstStateChange transition)
{
GstAsteriskh263 *asteriskh263;
GstStateChangeReturn ret;
asteriskh263 = GST_ASTERISK_H263 (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_adapter_clear (asteriskh263->adapter);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
/*
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
*/
return ret;
}
gboolean
gst_asteriskh263_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "asteriskh263",
GST_RANK_MARGINAL, GST_TYPE_ASTERISK_H263);
}