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gst/rtp/: Added H264 payloader. Fixes #423782.
Original commit message from CVS: Patch by: Laurent Glayal <spglegle at yahoo dot fr> * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtph264pay.c: (gst_rtp_h264_pay_base_init), (gst_rtp_h264_pay_class_init), (gst_rtp_h264_pay_init), (gst_rtp_h264_pay_finalize), (gst_rtp_h264_pay_setcaps), (gst_rtp_h264_pay_handle_buffer), (gst_rtp_h264_pay_set_property), (gst_rtp_h264_pay_get_property), (gst_rtp_h264_pay_change_state), (gst_rtp_h264_pay_plugin_init): * gst/rtp/gstrtph264pay.h: Added H264 payloader. Fixes #423782. * gst/rtp/gstrtph264depay.c: (gst_rtp_h264_depay_class_init), (gst_rtp_h264_depay_setcaps), (gst_rtp_h264_depay_process): Small fixes.
This commit is contained in:
Laurent Glayal
Wim Taymans
parent
c76eea67cc
commit
d94a696bcd
6 changed files with 423 additions and 10 deletions
19
ChangeLog
19
ChangeLog
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@ -1,3 +1,22 @@
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2007-03-29 Wim Taymans <wim@fluendo.com>
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Patch by: Laurent Glayal <spglegle at yahoo dot fr>
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* gst/rtp/Makefile.am:
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* gst/rtp/gstrtp.c: (plugin_init):
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* gst/rtp/gstrtph264pay.c: (gst_rtp_h264_pay_base_init),
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(gst_rtp_h264_pay_class_init), (gst_rtp_h264_pay_init),
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(gst_rtp_h264_pay_finalize), (gst_rtp_h264_pay_setcaps),
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(gst_rtp_h264_pay_handle_buffer), (gst_rtp_h264_pay_set_property),
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(gst_rtp_h264_pay_get_property), (gst_rtp_h264_pay_change_state),
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(gst_rtp_h264_pay_plugin_init):
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* gst/rtp/gstrtph264pay.h:
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Added H264 payloader. Fixes #423782.
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* gst/rtp/gstrtph264depay.c: (gst_rtp_h264_depay_class_init),
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(gst_rtp_h264_depay_setcaps), (gst_rtp_h264_depay_process):
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Small fixes.
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2007-03-29 Sebastian Dröge <slomo@circular-chaos.org>
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* gst/wavparse/gstwavparse.c:
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@ -21,6 +21,7 @@ libgstrtp_la_SOURCES = \
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gstrtph263ppay.c \
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gstrtph263pay.c \
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gstrtph264depay.c \
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gstrtph264pay.c \
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gstrtpL16depay.c \
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gstrtpL16pay.c \
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gstasteriskh263.c \
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@ -73,6 +74,7 @@ noinst_HEADERS = \
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gstrtph263ppay.h \
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gstrtph263pay.h \
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gstrtph264depay.h \
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gstrtph264pay.h \
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gstrtpmp2tdepay.h \
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gstrtpmp2tpay.h \
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gstrtpmp4vdepay.h \
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@ -40,6 +40,7 @@
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#include "gstrtph263ppay.h"
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#include "gstrtph263pay.h"
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#include "gstrtph264depay.h"
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#include "gstrtph264pay.h"
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#include "gstrtpL16depay.h"
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#include "gstrtpL16pay.h"
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#include "gstasteriskh263.h"
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@ -118,6 +119,9 @@ plugin_init (GstPlugin * plugin)
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if (!gst_rtp_h264_depay_plugin_init (plugin))
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return FALSE;
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if (!gst_rtp_h264_pay_plugin_init (plugin))
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return FALSE;
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if (!gst_rtp_L16_pay_plugin_init (plugin))
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return FALSE;
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@ -127,18 +127,15 @@ gst_rtp_h264_depay_class_init (GstRtpH264DepayClass * klass)
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gstelement_class = (GstElementClass *) klass;
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gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gstbasertpdepayload_class->process = gst_rtp_h264_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_h264_depay_setcaps;
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gobject_class->finalize = gst_rtp_h264_depay_finalize;
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gobject_class->set_property = gst_rtp_h264_depay_set_property;
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gobject_class->get_property = gst_rtp_h264_depay_get_property;
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gstelement_class->change_state = gst_rtp_h264_depay_change_state;
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gstbasertpdepayload_class->process = gst_rtp_h264_depay_process;
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gstbasertpdepayload_class->set_caps = gst_rtp_h264_depay_setcaps;
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GST_DEBUG_CATEGORY_INIT (rtph264depay_debug, "rtph264depay", 0,
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"H264 Video RTP Depayloader");
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}
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@ -221,9 +218,9 @@ gst_rtp_h264_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
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rtph264depay = GST_RTP_H264_DEPAY (depayload);
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if (gst_structure_has_field (structure, "clock-rate")) {
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if (gst_structure_has_field (structure, "clock-rate"))
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gst_structure_get_int (structure, "clock-rate", &clock_rate);
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}
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depayload->clock_rate = clock_rate;
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srccaps = gst_caps_new_simple ("video/x-h264", NULL);
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@ -263,8 +260,6 @@ gst_rtp_h264_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
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gst_adapter_push (rtph264depay->adapter, codec_data);
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}
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depayload->clock_rate = clock_rate;
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gst_pad_set_caps (depayload->srcpad, srccaps);
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gst_caps_unref (srccaps);
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337
gst/rtp/gstrtph264pay.c
Normal file
337
gst/rtp/gstrtph264pay.c
Normal file
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@ -0,0 +1,337 @@
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/* GStreamer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <gst/rtp/gstrtpbuffer.h>
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#include "gstrtph264pay.h"
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GST_DEBUG_CATEGORY_STATIC (rtph264pay_debug);
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#define GST_CAT_DEFAULT (rtph264pay_debug)
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/* references:
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*
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* RFC 3984
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*/
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/* elementfactory information */
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static const GstElementDetails gst_rtp_h264pay_details =
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GST_ELEMENT_DETAILS ("RTP packet payloader",
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"Codec/Payloader/Network",
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"Payload-encode H264 video into RTP packets (RFC 3984)",
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"Laurent Glayal <spglegle@yahoo.fr>");
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static GstStaticPadTemplate gst_rtp_h264_pay_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-h264")
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);
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static GstStaticPadTemplate gst_rtp_h264_pay_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp, "
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"media = (string) \"video\", "
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"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
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"clock-rate = (int) 90000, " "encoding-name = (string) \"H264\"")
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);
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static void gst_rtp_h264_pay_finalize (GObject * object);
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static void gst_rtp_h264_pay_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_rtp_h264_pay_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_rtp_h264_pay_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_rtp_h264_pay_setcaps (GstBaseRTPPayload * basepayload,
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GstCaps * caps);
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static GstFlowReturn gst_rtp_h264_pay_handle_buffer (GstBaseRTPPayload * pad,
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GstBuffer * buffer);
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GST_BOILERPLATE (GstRtpH264Pay, gst_rtp_h264_pay, GstBaseRTPPayload,
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GST_TYPE_BASE_RTP_PAYLOAD);
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static void
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gst_rtp_h264_pay_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_rtp_h264_pay_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_rtp_h264_pay_sink_template));
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gst_element_class_set_details (element_class, &gst_rtp_h264pay_details);
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}
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static void
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gst_rtp_h264_pay_class_init (GstRtpH264PayClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseRTPPayloadClass *gstbasertppayload_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
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gobject_class->finalize = gst_rtp_h264_pay_finalize;
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gobject_class->set_property = gst_rtp_h264_pay_set_property;
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gobject_class->get_property = gst_rtp_h264_pay_get_property;
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gstelement_class->change_state = gst_rtp_h264_pay_change_state;
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gstbasertppayload_class->set_caps = gst_rtp_h264_pay_setcaps;
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gstbasertppayload_class->handle_buffer = gst_rtp_h264_pay_handle_buffer;
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GST_DEBUG_CATEGORY_INIT (rtph264pay_debug, "rtph264pay", 0,
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"H264 RTP Payloader");
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}
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static void
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gst_rtp_h264_pay_init (GstRtpH264Pay * rtph264pay, GstRtpH264PayClass * klass)
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{
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}
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static void
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gst_rtp_h264_pay_finalize (GObject * object)
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{
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GstRtpH264Pay *rtph264pay;
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rtph264pay = GST_RTP_H264_PAY (object);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_rtp_h264_pay_setcaps (GstBaseRTPPayload * basepayload, GstCaps * caps)
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{
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GstRtpH264Pay *rtph264pay;
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rtph264pay = GST_RTP_H264_PAY (basepayload);
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gst_basertppayload_set_options (basepayload, "video", TRUE, "H264", 90000);
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gst_basertppayload_set_outcaps (basepayload, NULL);
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return TRUE;
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}
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static GstFlowReturn
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gst_rtp_h264_pay_handle_buffer (GstBaseRTPPayload * basepayload,
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GstBuffer * buffer)
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{
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GstRtpH264Pay *rtph264pay;
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GstFlowReturn ret;
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guint size, idxdata;
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GstBuffer *outbuf;
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guint8 *payload, *data, *pdata;
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guint8 nalType;
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GstClockTime timestamp;
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guint packet_len, payload_len, mtu;
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rtph264pay = GST_RTP_H264_PAY (basepayload);
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mtu = GST_BASE_RTP_PAYLOAD_MTU (rtph264pay);
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size = GST_BUFFER_SIZE (buffer);
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data = GST_BUFFER_DATA (buffer);
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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GST_DEBUG_OBJECT (basepayload, "got %d bytes", size);
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/* H264 stream analysis */
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pdata = data;
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idxdata = size;
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while (idxdata > 5 &&
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(pdata[0] != 0x00 || pdata[1] != 0x00 || pdata[2] != 0x1 ||
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(pdata[3] & 0x1f) < 1 || (pdata[3] & 0x1f) > 23)
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) {
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pdata++;
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idxdata--;
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GST_DEBUG_OBJECT (basepayload, "idxdata=%d", idxdata);
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}
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if (idxdata < 5) {
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GST_DEBUG_OBJECT (basepayload,
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"Returning GST_FLOW_OK without creating RTP packet");
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return GST_FLOW_OK;
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}
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pdata += 3;
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idxdata -= 3;
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nalType = pdata[0] & 0x1f;
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GST_DEBUG_OBJECT (basepayload, "Processing Buffer with NAL TYPE=%d", nalType);
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packet_len = gst_rtp_buffer_calc_packet_len (idxdata, 0, 0);
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if (packet_len < mtu) {
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GST_DEBUG_OBJECT (basepayload,
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"NAL Unit fit in one packet datasize=%d mtu=%d", idxdata, mtu);
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/* will fit in one packet */
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outbuf = gst_rtp_buffer_new_allocate (idxdata, 0, 0);
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GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
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gst_rtp_buffer_set_marker (outbuf, 1);
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payload = gst_rtp_buffer_get_payload (outbuf);
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GST_DEBUG_OBJECT (basepayload, "Copying %d bytes to outbuf", idxdata);
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memcpy (payload, pdata, idxdata);
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gst_buffer_unref (buffer);
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ret = gst_basertppayload_push (basepayload, outbuf);
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return ret;
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} else {
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GST_DEBUG_OBJECT (basepayload,
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"NAL Unit DOES NOT fit in one packet datasize=%d mtu=%d", idxdata, mtu);
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/* Fragmentation Units FU-A */
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guint8 nalHeader;
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guint limitedSize;
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int ii = 0, start = 1, end = 0, first = 0;
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nalHeader = *pdata;
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pdata++;
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idxdata--;
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ret = GST_FLOW_OK;
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GST_DEBUG_OBJECT (basepayload, "Using FU-A fragmentation for data size=%d",
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idxdata);
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payload_len = gst_rtp_buffer_calc_payload_len (mtu - 2, 0, 0); /* We keep 2 bytes for FU indicator and FU Header */
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while (end == 0) {
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limitedSize = idxdata < payload_len ? idxdata : payload_len;
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GST_DEBUG_OBJECT (basepayload,
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"Inside FU-A fragmentation limitedSize=%d iteration=%d", limitedSize,
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ii);
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outbuf = gst_rtp_buffer_new_allocate (limitedSize + 2, 0, 0);
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GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
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gst_rtp_buffer_set_marker (outbuf, end);
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payload = gst_rtp_buffer_get_payload (outbuf);
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if (limitedSize == idxdata) {
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GST_DEBUG_OBJECT (basepayload, "end idxdata=%d iteration=%d", idxdata,
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ii);
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end = 1;
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}
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/* FU indicator */
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payload[0] = (nalHeader & 0x60) | 28;
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/* FU Header */
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payload[1] = (start << 7) | (end << 6) | (nalHeader & 0x1f);
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memcpy (&payload[2], pdata + first, limitedSize);
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GST_DEBUG_OBJECT (basepayload,
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"recorded %d payload bytes into packet iteration=%d", limitedSize + 2,
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ii);
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ret = gst_basertppayload_push (basepayload, outbuf);
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if (ret != GST_FLOW_OK)
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break;
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idxdata -= limitedSize;
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first += limitedSize;
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ii++;
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start = 0;
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}
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gst_buffer_unref (buffer);
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return ret;
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}
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GST_ELEMENT_ERROR (basepayload, STREAM, FORMAT,
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(NULL), ("Should not be there !!"));
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gst_buffer_unref (buffer);
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return GST_FLOW_ERROR;
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}
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static void
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gst_rtp_h264_pay_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstRtpH264Pay *rtph264pay;
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rtph264pay = GST_RTP_H264_PAY (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_rtp_h264_pay_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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||||
GstRtpH264Pay *rtph264pay;
|
||||
|
||||
rtph264pay = GST_RTP_H264_PAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static GstStateChangeReturn
|
||||
gst_rtp_h264_pay_change_state (GstElement * element, GstStateChange transition)
|
||||
{
|
||||
GstRtpH264Pay *rtph264pay;
|
||||
GstStateChangeReturn ret;
|
||||
|
||||
rtph264pay = GST_RTP_H264_PAY (element);
|
||||
|
||||
switch (transition) {
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||
|
||||
switch (transition) {
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_h264_pay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtph264pay",
|
||||
GST_RANK_NONE, GST_TYPE_RTP_H264_PAY);
|
||||
}
|
||||
56
gst/rtp/gstrtph264pay.h
Normal file
56
gst/rtp/gstrtph264pay.h
Normal file
|
|
@ -0,0 +1,56 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2006> 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_H264_PAY_H__
|
||||
#define __GST_RTP_H264_PAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertppayload.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_RTP_H264_PAY \
|
||||
(gst_rtp_h264_pay_get_type())
|
||||
#define GST_RTP_H264_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_H264_PAY,GstRtpH264Pay))
|
||||
#define GST_RTP_H264_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_H264_PAY,GstRtpH264PayClass))
|
||||
#define GST_IS_RTP_H264_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_H264_PAY))
|
||||
#define GST_IS_RTP_H264_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_H264_PAY))
|
||||
|
||||
typedef struct _GstRtpH264Pay GstRtpH264Pay;
|
||||
typedef struct _GstRtpH264PayClass GstRtpH264PayClass;
|
||||
|
||||
struct _GstRtpH264Pay
|
||||
{
|
||||
GstBaseRTPPayload payload;
|
||||
};
|
||||
|
||||
struct _GstRtpH264PayClass
|
||||
{
|
||||
GstBaseRTPPayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_h264_pay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_RTP_H264_PAY_H__ */
|
||||
Loading…
Reference in a new issue