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gst/rtp/README: Say something about case-sensitivity of caps vs mime-attributes.
Original commit message from CVS: * gst/rtp/README: Say something about case-sensitivity of caps vs mime-attributes. * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtpamrpay.c: (gst_rtp_amr_pay_class_init), (gst_rtp_amr_pay_handle_buffer): * gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_get_type), (gst_rtp_mp4g_pay_base_init), (gst_rtp_mp4g_pay_class_init), (gst_rtp_mp4g_pay_init), (gst_rtp_mp4g_pay_finalize), (gst_rtp_mp4g_pay_new_caps), (gst_rtp_mp4g_pay_setcaps), (gst_rtp_mp4g_pay_flush), (gst_rtp_mp4g_pay_handle_buffer), (gst_rtp_mp4g_pay_set_property), (gst_rtp_mp4g_pay_get_property), (gst_rtp_mp4g_pay_plugin_init): * gst/rtp/gstrtpmp4gpay.h: Added beginnings of mpeg4-generic payloader (RFC 3640)
This commit is contained in:
Wim Taymans
parent
946e1e4363
commit
f9d2e49e40
7 changed files with 469 additions and 1 deletions
19
ChangeLog
19
ChangeLog
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@ -1,3 +1,22 @@
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2006-02-10 Wim Taymans <wim@fluendo.com>
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* gst/rtp/README:
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Say something about case-sensitivity of caps vs mime-attributes.
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* gst/rtp/Makefile.am:
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* gst/rtp/gstrtp.c: (plugin_init):
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* gst/rtp/gstrtpamrpay.c: (gst_rtp_amr_pay_class_init),
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(gst_rtp_amr_pay_handle_buffer):
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* gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_get_type),
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(gst_rtp_mp4g_pay_base_init), (gst_rtp_mp4g_pay_class_init),
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(gst_rtp_mp4g_pay_init), (gst_rtp_mp4g_pay_finalize),
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(gst_rtp_mp4g_pay_new_caps), (gst_rtp_mp4g_pay_setcaps),
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(gst_rtp_mp4g_pay_flush), (gst_rtp_mp4g_pay_handle_buffer),
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(gst_rtp_mp4g_pay_set_property), (gst_rtp_mp4g_pay_get_property),
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(gst_rtp_mp4g_pay_plugin_init):
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* gst/rtp/gstrtpmp4gpay.h:
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Added beginnings of mpeg4-generic payloader (RFC 3640)
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2006-02-09 Wim Taymans <wim@fluendo.com>
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* gst/rtsp/Makefile.am:
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@ -17,6 +17,7 @@ libgstrtp_la_SOURCES = \
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gstasteriskh263.c \
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gstrtpmp4vdepay.c \
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gstrtpmp4vpay.c \
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gstrtpmp4gpay.c \
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gstrtpspeexdepay.c \
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gstrtpspeexpay.c
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@ -49,6 +50,7 @@ noinst_HEADERS = \
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gstrtph263pay.h \
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gstrtpmp4vdepay.h \
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gstrtpmp4vpay.h \
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gstrtpmp4gpay.h \
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gstrtpdepay.h \
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gstasteriskh263.h \
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gstrtpspeexdepay.h \
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@ -66,6 +66,10 @@ The following fields can or must (*) be specified in the structure:
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in RTSP, the SSRC is also sent.
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The optional parameters in the SDP fields are case insensitive. In the caps we
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always use the lowercase names so that the SDP -> caps mapping remains
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possible.
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TODO
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----
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@ -35,6 +35,7 @@
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#include "gstrtph263pay.h"
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#include "gstasteriskh263.h"
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#include "gstrtpmp4vpay.h"
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#include "gstrtpmp4gpay.h"
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#include "gstrtpmp4vdepay.h"
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#include "gstrtpspeexpay.h"
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#include "gstrtpspeexdepay.h"
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@ -87,6 +88,9 @@ plugin_init (GstPlugin * plugin)
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if (!gst_rtp_mp4v_depay_plugin_init (plugin))
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return FALSE;
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if (!gst_rtp_mp4g_pay_plugin_init (plugin))
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return FALSE;
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if (!gst_rtp_speex_pay_plugin_init (plugin))
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return FALSE;
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@ -133,7 +133,7 @@ gst_rtp_amr_pay_class_init (GstRtpAMRPayClass * klass)
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gstbasertppayload_class->handle_buffer = gst_rtp_amr_pay_handle_buffer;
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GST_DEBUG_CATEGORY_INIT (rtpamrpay_debug, "rtpamrpay", 0,
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"AMR RTP Depayloader");
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"AMR RTP Payloader");
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}
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374
gst/rtp/gstrtpmp4gpay.c
Normal file
374
gst/rtp/gstrtpmp4gpay.c
Normal file
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@ -0,0 +1,374 @@
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/* GStreamer
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* Copyright (C) <2006> Wim Taymans <wim@fluendo.com>
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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
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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 "gstrtpmp4gpay.h"
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GST_DEBUG_CATEGORY (rtpmp4gpay_debug);
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#define GST_CAT_DEFAULT (rtpmp4gpay_debug)
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/* elementfactory information */
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static GstElementDetails gst_rtp_mp4gpay_details = {
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"RTP packet parser",
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"Codec/Payloader/Network",
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"Payload MPEG4 elementary streams as RTP packets (RFC 3640)",
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"Wim Taymans <wim@fluendo.com>"
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};
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static GstStaticPadTemplate gst_rtp_mp4g_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/mpeg,"
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"mpegversion=(int) 4,"
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"systemstream=(boolean)false;" "audio/mpeg," "mpegversion=(int) 4")
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);
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static GstStaticPadTemplate gst_rtp_mp4g_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) [ 96, 127 ], "
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"clock-rate = (int) [1, MAX ], "
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"encoding-name = (string) \"MP4G-ES\", "
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/* required string params */
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"streamtype = (string) { \"4\", \"5\" }, " /* 4 = video, 5 = audio */
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"profile-level-id = (int) [1,MAX], "
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/* "config = (string) [1,MAX]" */
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"mode = (string) { \"generic\", \"CELP-cbr\", \"CELP-vbr\", \"AAC-lbr\", \"AAC-hbr\" }, "
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/* Optional general parameters */
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"objecttype = (int) [1,MAX], " "constantsize = (int) [1,MAX], " /* constant size of each AU */
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"constantduration = (int) [1,MAX], " /* constant duration of each AU */
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"maxdisplacement = (int) [1,MAX], "
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"de-interleavebuffersize: = (int) [1,MAX], "
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/* Optional configuration parameters */
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"sizelength = (int) [1, 16], " /* max 16 bits, should be enough... */
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"indexlength = (int) [1, 8], "
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"indexdeltalength = (int) [1, 8], "
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"ctsdeltalength = (int) [1, 64], "
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"dtsdeltalength = (int) [1, 64], "
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"randomaccessindication = (int) {0, 1}, "
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"streamstateindication = (int) [0, 64], "
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"auxiliarydatasizelength = (int) [0, 64]")
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);
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enum
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{
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PROP_0,
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};
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static void gst_rtp_mp4g_pay_class_init (GstRtpMP4GPayClass * klass);
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static void gst_rtp_mp4g_pay_base_init (GstRtpMP4GPayClass * klass);
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static void gst_rtp_mp4g_pay_init (GstRtpMP4GPay * rtpmp4gpay);
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static void gst_rtp_mp4g_pay_finalize (GObject * object);
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static void gst_rtp_mp4g_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_mp4g_pay_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean gst_rtp_mp4g_pay_setcaps (GstBaseRTPPayload * payload,
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GstCaps * caps);
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static GstFlowReturn gst_rtp_mp4g_pay_handle_buffer (GstBaseRTPPayload *
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payload, GstBuffer * buffer);
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static GstBaseRTPPayloadClass *parent_class = NULL;
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static GType
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gst_rtp_mp4g_pay_get_type (void)
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{
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static GType rtpmp4gpay_type = 0;
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if (!rtpmp4gpay_type) {
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static const GTypeInfo rtpmp4gpay_info = {
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sizeof (GstRtpMP4GPayClass),
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(GBaseInitFunc) gst_rtp_mp4g_pay_base_init,
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NULL,
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(GClassInitFunc) gst_rtp_mp4g_pay_class_init,
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NULL,
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NULL,
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sizeof (GstRtpMP4GPay),
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0,
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(GInstanceInitFunc) gst_rtp_mp4g_pay_init,
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};
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rtpmp4gpay_type =
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g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpMP4GPay",
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&rtpmp4gpay_info, 0);
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}
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return rtpmp4gpay_type;
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}
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static void
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gst_rtp_mp4g_pay_base_init (GstRtpMP4GPayClass * 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_mp4g_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_mp4g_pay_sink_template));
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gst_element_class_set_details (element_class, &gst_rtp_mp4gpay_details);
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}
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static void
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gst_rtp_mp4g_pay_class_init (GstRtpMP4GPayClass * 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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parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD);
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gobject_class->set_property = gst_rtp_mp4g_pay_set_property;
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gobject_class->get_property = gst_rtp_mp4g_pay_get_property;
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gobject_class->finalize = gst_rtp_mp4g_pay_finalize;
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gstbasertppayload_class->set_caps = gst_rtp_mp4g_pay_setcaps;
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gstbasertppayload_class->handle_buffer = gst_rtp_mp4g_pay_handle_buffer;
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GST_DEBUG_CATEGORY_INIT (rtpmp4gpay_debug, "rtpmp4gpay", 0,
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"MP4-generic RTP Payloader");
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}
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static void
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gst_rtp_mp4g_pay_init (GstRtpMP4GPay * rtpmp4gpay)
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{
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rtpmp4gpay->adapter = gst_adapter_new ();
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rtpmp4gpay->rate = 90000;
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rtpmp4gpay->profile = 1;
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}
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static void
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gst_rtp_mp4g_pay_finalize (GObject * object)
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{
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GstRtpMP4GPay *rtpmp4gpay;
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rtpmp4gpay = GST_RTP_MP4G_PAY (object);
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g_object_unref (rtpmp4gpay->adapter);
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rtpmp4gpay->adapter = NULL;
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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#if 0
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static void
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gst_rtp_mp4g_pay_new_caps (GstRtpMP4GPay * rtpmp4gpay)
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{
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gchar *profile, *config;
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GValue v = { 0 };
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profile = g_strdup_printf ("%d", rtpmp4gpay->profile);
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g_value_init (&v, GST_TYPE_BUFFER);
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gst_value_set_buffer (&v, rtpmp4gpay->config);
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config = gst_value_serialize (&v);
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gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpmp4gpay),
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"profile-level-id", G_TYPE_STRING, profile,
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"config", G_TYPE_STRING, config, NULL);
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g_value_unset (&v);
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g_free (profile);
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g_free (config);
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}
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#endif
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static gboolean
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gst_rtp_mp4g_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
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{
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GstRtpMP4GPay *rtpmp4gpay;
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rtpmp4gpay = GST_RTP_MP4G_PAY (payload);
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gst_basertppayload_set_options (payload, "video", TRUE, "mpeg4-generic",
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rtpmp4gpay->rate);
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return TRUE;
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}
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static GstFlowReturn
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gst_rtp_mp4g_pay_flush (GstRtpMP4GPay * rtpmp4gpay)
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{
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guint avail, total;
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GstBuffer *outbuf;
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GstFlowReturn ret;
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gboolean fragmented;
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guint mtu;
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fragmented = FALSE;
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/* the data available in the adapter is either smaller
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* than the MTU or bigger. In the case it is smaller, the complete
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* adapter contents can be put in one packet. In the case the
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* adapter has more than one MTU, we need to fragment the MPEG data
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* over multiple packets. */
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total = avail = gst_adapter_available (rtpmp4gpay->adapter);
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ret = GST_FLOW_OK;
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mtu = GST_BASE_RTP_PAYLOAD_MTU (rtpmp4gpay);
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while (avail > 0) {
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guint towrite;
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guint8 *payload;
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guint8 *data;
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guint payload_len;
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guint packet_len;
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/* this will be the total lenght of the packet */
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packet_len = gst_rtp_buffer_calc_packet_len (avail, 0, 0);
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/* fill one MTU or all available bytes, we need 4 spare bytes for
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* the AU header. */
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towrite = MIN (packet_len, mtu - 4);
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/* this is the payload length */
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payload_len = gst_rtp_buffer_calc_payload_len (towrite, 0, 0);
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GST_DEBUG_OBJECT (rtpmp4gpay,
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"avail %d, towrite %d, packet_len %d, payload_len %d", avail, towrite,
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packet_len, payload_len);
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/* create buffer to hold the payload, also make room for the 4 header bytes. */
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outbuf = gst_rtp_buffer_new_allocate (payload_len + 4, 0, 0);
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/* copy payload */
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payload = gst_rtp_buffer_get_payload (outbuf);
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/* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- .. -+-+-+-+-+-+-+-+-+-+
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* |AU-headers-length|AU-header|AU-header| |AU-header|padding|
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* | | (1) | (2) | | (n) | bits |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- .. -+-+-+-+-+-+-+-+-+-+
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*/
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/* AU-headers-length, we only have 1 AU-header */
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payload[0] = 0x00;
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payload[1] = 0x10; /* we use 16 bits for the header */
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/* +---------------------------------------+
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* | AU-size |
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* +---------------------------------------+
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* | AU-Index / AU-Index-delta |
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* +---------------------------------------+
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* | CTS-flag |
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* +---------------------------------------+
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* | CTS-delta |
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* +---------------------------------------+
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* | DTS-flag |
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* +---------------------------------------+
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* | DTS-delta |
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* +---------------------------------------+
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* | RAP-flag |
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* +---------------------------------------+
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* | Stream-state |
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* +---------------------------------------+
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*/
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/* The AU-header, no CTS, DTS, RAP, Stream-state
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*
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* AU-size is always the total size of the AU, not the fragmented size
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*/
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payload[2] = (total & 0x1fe0) >> 5;
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payload[3] = (total & 0x1f) << 3; /* we use 13 bits for the size, 3 bits index */
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data = (guint8 *) gst_adapter_peek (rtpmp4gpay->adapter, payload_len);
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memcpy (&payload[4], data, payload_len);
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gst_adapter_flush (rtpmp4gpay->adapter, payload_len);
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gst_rtp_buffer_set_marker (outbuf, avail > payload_len);
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GST_BUFFER_TIMESTAMP (outbuf) = rtpmp4gpay->first_ts;
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ret = gst_basertppayload_push (GST_BASE_RTP_PAYLOAD (rtpmp4gpay), outbuf);
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||||
|
||||
avail -= payload_len;
|
||||
fragmented = TRUE;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* we expect buffers as exactly one complete AU
|
||||
*/
|
||||
static GstFlowReturn
|
||||
gst_rtp_mp4g_pay_handle_buffer (GstBaseRTPPayload * basepayload,
|
||||
GstBuffer * buffer)
|
||||
{
|
||||
GstRtpMP4GPay *rtpmp4gpay;
|
||||
GstFlowReturn ret;
|
||||
|
||||
ret = GST_FLOW_OK;
|
||||
|
||||
rtpmp4gpay = GST_RTP_MP4G_PAY (basepayload);
|
||||
|
||||
rtpmp4gpay->first_ts = GST_BUFFER_TIMESTAMP (buffer);
|
||||
|
||||
/* we always encode and flush a full AU */
|
||||
gst_adapter_push (rtpmp4gpay->adapter, buffer);
|
||||
ret = gst_rtp_mp4g_pay_flush (rtpmp4gpay);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mp4g_pay_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstRtpMP4GPay *rtpmp4gpay;
|
||||
|
||||
rtpmp4gpay = GST_RTP_MP4G_PAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_mp4g_pay_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstRtpMP4GPay *rtpmp4gpay;
|
||||
|
||||
rtpmp4gpay = GST_RTP_MP4G_PAY (object);
|
||||
|
||||
switch (prop_id) {
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_mp4g_pay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtpmp4gpay",
|
||||
GST_RANK_NONE, GST_TYPE_RTP_MP4G_PAY);
|
||||
}
|
||||
65
gst/rtp/gstrtpmp4gpay.h
Normal file
65
gst/rtp/gstrtpmp4gpay.h
Normal file
|
|
@ -0,0 +1,65 @@
|
|||
/* 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_MP4G_PAY_H__
|
||||
#define __GST_RTP_MP4G_PAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertppayload.h>
|
||||
#include <gst/base/gstadapter.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_RTP_MP4G_PAY \
|
||||
(gst_rtp_mp4g_pay_get_type())
|
||||
#define GST_RTP_MP4G_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_MP4G_PAY,GstRtpMP4GPay))
|
||||
#define GST_RTP_MP4G_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_MP4G_PAY,GstRtpMP4GPay))
|
||||
#define GST_IS_RTP_MP4G_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_MP4G_PAY))
|
||||
#define GST_IS_RTP_MP4G_PAY_CLASS(obj) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_MP4G_PAY))
|
||||
|
||||
typedef struct _GstRtpMP4GPay GstRtpMP4GPay;
|
||||
typedef struct _GstRtpMP4GPayClass GstRtpMP4GPayClass;
|
||||
|
||||
struct _GstRtpMP4GPay
|
||||
{
|
||||
GstBaseRTPPayload payload;
|
||||
|
||||
GstAdapter *adapter;
|
||||
GstClockTime first_ts;
|
||||
GstClockTime duration;
|
||||
|
||||
gint rate;
|
||||
gint profile;
|
||||
GstBuffer *config;
|
||||
};
|
||||
|
||||
struct _GstRtpMP4GPayClass
|
||||
{
|
||||
GstBaseRTPPayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_mp4g_pay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_RTP_MP4G_PAY_H__ */
|
||||
Loading…
Reference in a new issue