From bd4b1f680c78da051459cf93efe4777e9f716a48 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Sun, 18 Feb 2007 13:24:26 +0000 Subject: [PATCH] gst/rtp/: Added simple mpeg transport stream payloader. Original commit message from CVS: * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtpmp2tpay.c: (gst_rtp_mp2t_pay_base_init), (gst_rtp_mp2t_pay_class_init), (gst_rtp_mp2t_pay_init), (gst_rtp_mp2t_pay_setcaps), (gst_rtp_mp2t_pay_handle_buffer), (gst_rtp_mp2t_pay_plugin_init): * gst/rtp/gstrtpmp2tpay.h: Added simple mpeg transport stream payloader. --- ChangeLog | 11 ++++ gst/rtp/Makefile.am | 2 + gst/rtp/gstrtp.c | 4 ++ gst/rtp/gstrtpmp2tpay.c | 159 ++++++++++++++++++++++++++++++++++++++++++++++++ gst/rtp/gstrtpmp2tpay.h | 57 +++++++++++++++++ 5 files changed, 233 insertions(+) create mode 100644 gst/rtp/gstrtpmp2tpay.c create mode 100644 gst/rtp/gstrtpmp2tpay.h diff --git a/ChangeLog b/ChangeLog index 821a331..65c1fe5 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2007-02-18 Wim Taymans + + * gst/rtp/Makefile.am: + * gst/rtp/gstrtp.c: (plugin_init): + * gst/rtp/gstrtpmp2tpay.c: (gst_rtp_mp2t_pay_base_init), + (gst_rtp_mp2t_pay_class_init), (gst_rtp_mp2t_pay_init), + (gst_rtp_mp2t_pay_setcaps), (gst_rtp_mp2t_pay_handle_buffer), + (gst_rtp_mp2t_pay_plugin_init): + * gst/rtp/gstrtpmp2tpay.h: + Added simple mpeg transport stream payloader. + 2007-02-16 Wim Taymans * gst/rtsp/URLS: diff --git a/gst/rtp/Makefile.am b/gst/rtp/Makefile.am index 284d054..eec921c 100644 --- a/gst/rtp/Makefile.am +++ b/gst/rtp/Makefile.am @@ -25,6 +25,7 @@ libgstrtp_la_SOURCES = \ gstrtpL16pay.c \ gstasteriskh263.c \ gstrtpmp2tdepay.c \ + gstrtpmp2tpay.c \ gstrtpmp4vdepay.c \ gstrtpmp4vpay.c \ gstrtpmp4gdepay.c \ @@ -72,6 +73,7 @@ noinst_HEADERS = \ gstrtph263pay.h \ gstrtph264depay.h \ gstrtpmp2tdepay.h \ + gstrtpmp2tpay.h \ gstrtpmp4vdepay.h \ gstrtpmp4vpay.h \ gstrtpmp4gdepay.h \ diff --git a/gst/rtp/gstrtp.c b/gst/rtp/gstrtp.c index 6154489..c4d2b17 100644 --- a/gst/rtp/gstrtp.c +++ b/gst/rtp/gstrtp.c @@ -44,6 +44,7 @@ #include "gstrtpL16pay.h" #include "gstasteriskh263.h" #include "gstrtpmp2tdepay.h" +#include "gstrtpmp2tpay.h" #include "gstrtpmp4vdepay.h" #include "gstrtpmp4vpay.h" #include "gstrtpmp4gdepay.h" @@ -128,6 +129,9 @@ plugin_init (GstPlugin * plugin) if (!gst_rtp_mp2t_depay_plugin_init (plugin)) return FALSE; + if (!gst_rtp_mp2t_pay_plugin_init (plugin)) + return FALSE; + if (!gst_rtp_mp4v_pay_plugin_init (plugin)) return FALSE; diff --git a/gst/rtp/gstrtpmp2tpay.c b/gst/rtp/gstrtpmp2tpay.c new file mode 100644 index 0000000..acc66d6 --- /dev/null +++ b/gst/rtp/gstrtpmp2tpay.c @@ -0,0 +1,159 @@ +/* GStreamer + * Copyright (C) <2007> Wim Taymans + * + * 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 +#include +#include + +#include "gstrtpmp2tpay.h" + +/* elementfactory information */ +static const GstElementDetails gst_rtp_mp2t_pay_details = +GST_ELEMENT_DETAILS ("RTP MP2T audio payloader", + "Codec/Payloader/Network", + "Payload-encodes MPEG2 TS into RTP packets (RFC 2250)", + "Wim Taymans "); + +static GstStaticPadTemplate gst_rtp_mp2t_pay_sink_template = +GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/mpegts," + "packetsize=(int)188," "systemstream=(boolean)true") + ); + +static GstStaticPadTemplate gst_rtp_mp2t_pay_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("application/x-rtp, " + "media = (string) \"video\", " + "payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", " + "clock-rate = (int) 90000, " "encoding-name = (string) \"MP2T-ES\"") + ); + +static gboolean gst_rtp_mp2t_pay_setcaps (GstBaseRTPPayload * payload, + GstCaps * caps); +static GstFlowReturn gst_rtp_mp2t_pay_handle_buffer (GstBaseRTPPayload * + payload, GstBuffer * buffer); + +GST_BOILERPLATE (GstRTPMP2TPay, gst_rtp_mp2t_pay, GstBaseRTPPayload, + GST_TYPE_BASE_RTP_PAYLOAD); + +static void +gst_rtp_mp2t_pay_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_pay_sink_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&gst_rtp_mp2t_pay_src_template)); + gst_element_class_set_details (element_class, &gst_rtp_mp2t_pay_details); +} + +static void +gst_rtp_mp2t_pay_class_init (GstRTPMP2TPayClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + GstBaseRTPPayloadClass *gstbasertppayload_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass; + + gstbasertppayload_class->set_caps = gst_rtp_mp2t_pay_setcaps; + gstbasertppayload_class->handle_buffer = gst_rtp_mp2t_pay_handle_buffer; +} + +static void +gst_rtp_mp2t_pay_init (GstRTPMP2TPay * rtpmp2tpay, GstRTPMP2TPayClass * klass) +{ + GST_BASE_RTP_PAYLOAD (rtpmp2tpay)->clock_rate = 90000; + GST_BASE_RTP_PAYLOAD_PT (rtpmp2tpay) = GST_RTP_PAYLOAD_MP2T; +} + +static gboolean +gst_rtp_mp2t_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps) +{ + const char *stname; + GstStructure *structure; + + structure = gst_caps_get_structure (caps, 0); + + stname = gst_structure_get_name (structure); + + gst_basertppayload_set_options (payload, "video", TRUE, "MP2T-ES", 90000); + gst_basertppayload_set_outcaps (payload, NULL); + + return TRUE; +} + +static GstFlowReturn +gst_rtp_mp2t_pay_handle_buffer (GstBaseRTPPayload * basepayload, + GstBuffer * buffer) +{ + GstRTPMP2TPay *rtpmp2tpay; + guint size, payload_len; + GstBuffer *outbuf; + guint8 *payload, *data; + GstClockTime timestamp; + GstFlowReturn ret; + + rtpmp2tpay = GST_RTP_MP2T_PAY (basepayload); + + size = GST_BUFFER_SIZE (buffer); + data = GST_BUFFER_DATA (buffer); + timestamp = GST_BUFFER_TIMESTAMP (buffer); + + /* FIXME, only one MP2T frame per RTP packet for now */ + payload_len = size; + + outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0); + + /* copy timestamp */ + GST_BUFFER_TIMESTAMP (outbuf) = timestamp; + + /* get payload */ + payload = gst_rtp_buffer_get_payload (outbuf); + + /* copy data in payload */ + memcpy (payload, data, size); + + gst_buffer_unref (buffer); + + GST_DEBUG_OBJECT (rtpmp2tpay, "pushing buffer of size %d", + GST_BUFFER_SIZE (outbuf)); + + ret = gst_basertppayload_push (basepayload, outbuf); + + return ret; +} + +gboolean +gst_rtp_mp2t_pay_plugin_init (GstPlugin * plugin) +{ + return gst_element_register (plugin, "rtpmp2tpay", + GST_RANK_NONE, GST_TYPE_RTP_MP2T_PAY); +} diff --git a/gst/rtp/gstrtpmp2tpay.h b/gst/rtp/gstrtpmp2tpay.h new file mode 100644 index 0000000..03696cd --- /dev/null +++ b/gst/rtp/gstrtpmp2tpay.h @@ -0,0 +1,57 @@ +/* GStreamer + * Copyright (C) <2007> Wim Taymans + * + * 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_MP2T_PAY_H__ +#define __GST_RTP_MP2T_PAY_H__ + +#include +#include + +G_BEGIN_DECLS + +typedef struct _GstRTPMP2TPay GstRTPMP2TPay; +typedef struct _GstRTPMP2TPayClass GstRTPMP2TPayClass; + +#define GST_TYPE_RTP_MP2T_PAY \ + (gst_rtp_mp2t_pay_get_type()) +#define GST_RTP_MP2T_PAY(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MP2T_PAY,GstRTPMP2TPay)) +#define GST_RTP_MP2T_PAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MP2T_PAY,GstRTPMP2TPayClass)) +#define GST_IS_RTP_MP2T_PAY(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MP2T_PAY)) +#define GST_IS_RTP_MP2T_PAY_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MP2T_PAY)) + +struct _GstRTPMP2TPay +{ + GstBaseRTPPayload payload; +}; + +struct _GstRTPMP2TPayClass +{ + GstBaseRTPPayloadClass parent_class; +}; + +gboolean gst_rtp_mp2t_pay_plugin_init (GstPlugin * plugin); + +G_END_DECLS + +#endif /* __GST_RTP_MP2T_PAY_H__ */ -- 2.7.4