gstreamer/gst/rtp/gstrtpmp2tdepay.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

272 lines
7.6 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 <gst/rtp/gstrtpbuffer.h>
#include <string.h>
#include "gstrtpmp2tdepay.h"
/* elementfactory information */
static const GstElementDetails gst_rtp_mp2tdepay_details =
GST_ELEMENT_DETAILS ("RTP MPEG Transport Stream depayloader",
"Codec/Depayloader/Network",
"Extracts MPEG2 TS from RTP packets (RFC 2250)",
"Wim Taymans <wim.taymans@gmail.com>\n"
"Thijs Vermeir <thijs.vermeir@barco.com>");
/* RtpMP2TDepay signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
#define DEFAULT_SKIP_FIRST_BYTES 0
enum
{
PROP_0,
PROP_SKIP_FIRST_BYTES
};
static GstStaticPadTemplate gst_rtp_mp2t_depay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpegts,"
"packetsize=(int)188," "systemstream=(boolean)true")
);
static GstStaticPadTemplate gst_rtp_mp2t_depay_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-rtp, "
"media = (string) \"video\", "
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
"clock-rate = (int) [1, MAX ], " "encoding-name = (string) \"MP2T-ES\";"
/* All optional parameters
*
* "profile-level-id=[1,MAX]"
* "config="
*/
"application/x-rtp, "
"media = (string) \"video\", "
"payload = (int) " GST_RTP_PAYLOAD_MP2T_STRING ", "
"clock-rate = (int) [1, MAX ]")
);
GST_BOILERPLATE (GstRtpMP2TDepay, gst_rtp_mp2t_depay, GstBaseRTPDepayload,
GST_TYPE_BASE_RTP_DEPAYLOAD);
static gboolean gst_rtp_mp2t_depay_setcaps (GstBaseRTPDepayload * depayload,
GstCaps * caps);
static GstBuffer *gst_rtp_mp2t_depay_process (GstBaseRTPDepayload * depayload,
GstBuffer * buf);
static void gst_rtp_mp2t_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_rtp_mp2t_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_rtp_mp2t_depay_change_state (GstElement *
element, GstStateChange transition);
static void
gst_rtp_mp2t_depay_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_mp2t_depay_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_rtp_mp2t_depay_sink_template));
gst_element_class_set_details (element_class, &gst_rtp_mp2tdepay_details);
}
static void
gst_rtp_mp2t_depay_class_init (GstRtpMP2TDepayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gstbasertpdepayload_class->process = gst_rtp_mp2t_depay_process;
gstbasertpdepayload_class->set_caps = gst_rtp_mp2t_depay_setcaps;
gobject_class->set_property = gst_rtp_mp2t_depay_set_property;
gobject_class->get_property = gst_rtp_mp2t_depay_get_property;
g_object_class_install_property (gobject_class, PROP_SKIP_FIRST_BYTES,
g_param_spec_uint ("skip-first-bytes",
"Skip first bytes",
"The amount of bytes that need to be skipped at the beginning of the payload",
0, G_MAXUINT, 0, G_PARAM_READWRITE));
gstelement_class->change_state = gst_rtp_mp2t_depay_change_state;
}
static void
gst_rtp_mp2t_depay_init (GstRtpMP2TDepay * rtpmp2tdepay,
GstRtpMP2TDepayClass * klass)
{
rtpmp2tdepay->skip_first_bytes = DEFAULT_SKIP_FIRST_BYTES;
}
static gboolean
gst_rtp_mp2t_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
{
GstCaps *srccaps;
GstStructure *structure;
GstRtpMP2TDepay *rtpmp2tdepay;
gint clock_rate;
gboolean res;
rtpmp2tdepay = GST_RTP_MP2T_DEPAY (depayload);
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
clock_rate = 90000; /* default */
depayload->clock_rate = clock_rate;
srccaps = gst_caps_new_simple ("video/mpegts",
"packetsize", G_TYPE_INT, 188,
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
res = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
gst_caps_unref (srccaps);
return res;
}
static GstBuffer *
gst_rtp_mp2t_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
{
GstRtpMP2TDepay *rtpmp2tdepay;
GstBuffer *outbuf;
gint payload_len;
rtpmp2tdepay = GST_RTP_MP2T_DEPAY (depayload);
payload_len = gst_rtp_buffer_get_payload_len (buf);
if (G_UNLIKELY (payload_len <= rtpmp2tdepay->skip_first_bytes))
goto empty_packet;
outbuf =
gst_rtp_buffer_get_payload_subbuffer (buf, rtpmp2tdepay->skip_first_bytes,
-1);
GST_DEBUG ("gst_rtp_mp2t_depay_chain: pushing buffer of size %d",
GST_BUFFER_SIZE (outbuf));
return outbuf;
/* ERRORS */
empty_packet:
{
GST_ELEMENT_WARNING (rtpmp2tdepay, STREAM, DECODE,
(NULL), ("Packet was empty"));
return NULL;
}
}
static void
gst_rtp_mp2t_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstRtpMP2TDepay *rtpmp2tdepay;
rtpmp2tdepay = GST_RTP_MP2T_DEPAY (object);
switch (prop_id) {
case PROP_SKIP_FIRST_BYTES:
rtpmp2tdepay->skip_first_bytes = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_rtp_mp2t_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRtpMP2TDepay *rtpmp2tdepay;
rtpmp2tdepay = GST_RTP_MP2T_DEPAY (object);
switch (prop_id) {
case PROP_SKIP_FIRST_BYTES:
g_value_set_uint (value, rtpmp2tdepay->skip_first_bytes);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_rtp_mp2t_depay_change_state (GstElement * element,
GstStateChange transition)
{
GstRtpMP2TDepay *rtpmp2tdepay;
GstStateChangeReturn ret;
rtpmp2tdepay = GST_RTP_MP2T_DEPAY (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
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_rtp_mp2t_depay_plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "rtpmp2tdepay",
GST_RANK_MARGINAL, GST_TYPE_RTP_MP2T_DEPAY);
}