docs/libs/html/gst-plugins-base-libs-gstrtpbuffer.html

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  26                   <a href="#gst-plugins-base-libs-gstrtpbuffer.description" class="shortcut">Description</a>
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  33 <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstrtpbuffer.top_of_page"></a>gstrtpbuffer</span></h2>
  34 <p>gstrtpbuffer — Helper methods for dealing with RTP buffers</p>
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  38 <div class="refsynopsisdiv">
  39 <a name="gst-plugins-base-libs-gstrtpbuffer.synopsis"></a><h2>Synopsis</h2>
  40 <pre class="synopsis">
  41 #include &lt;gst/rtp/gstrtpbuffer.h&gt;
  42
  43 #define             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#GST-RTP-VERSION:CAPS" title="GST_RTP_VERSION">GST_RTP_VERSION</a>
  44 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-allocate-data" title="gst_rtp_buffer_allocate_data ()">gst_rtp_buffer_allocate_data</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  45                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
  46                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
  47                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
  48 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-take-data" title="gst_rtp_buffer_new_take_data ()">gst_rtp_buffer_new_take_data</a>        (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
  49                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
  50 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-copy-data" title="gst_rtp_buffer_new_copy_data ()">gst_rtp_buffer_new_copy_data</a>        (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
  51                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
  52 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-allocate" title="gst_rtp_buffer_new_allocate ()">gst_rtp_buffer_new_allocate</a>         (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
  53                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
  54                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
  55 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-allocate-len" title="gst_rtp_buffer_new_allocate_len ()">gst_rtp_buffer_new_allocate_len</a>     (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
  56                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
  57                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
  58 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="returnvalue">GstBufferList</span></a> *     <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-from-buffer" title="gst_rtp_buffer_list_from_buffer ()">gst_rtp_buffer_list_from_buffer</a>     (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  59 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-header-len" title="gst_rtp_buffer_calc_header_len ()">gst_rtp_buffer_calc_header_len</a>      (<em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
  60 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-packet-len" title="gst_rtp_buffer_calc_packet_len ()">gst_rtp_buffer_calc_packet_len</a>      (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
  61                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
  62                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
  63 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-payload-len" title="gst_rtp_buffer_calc_payload_len ()">gst_rtp_buffer_calc_payload_len</a>     (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
  64                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
  65                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
  66 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate" title="gst_rtp_buffer_validate ()">gst_rtp_buffer_validate</a>             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  67 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate-data" title="gst_rtp_buffer_validate_data ()">gst_rtp_buffer_validate_data</a>        (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>,
  68                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
  69 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-packet-len" title="gst_rtp_buffer_set_packet_len ()">gst_rtp_buffer_set_packet_len</a>       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  70                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
  71 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-packet-len" title="gst_rtp_buffer_get_packet_len ()">gst_rtp_buffer_get_packet_len</a>       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  72 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-header-len" title="gst_rtp_buffer_get_header_len ()">gst_rtp_buffer_get_header_len</a>       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  73 <span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-version" title="gst_rtp_buffer_get_version ()">gst_rtp_buffer_get_version</a>          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  74 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-version" title="gst_rtp_buffer_set_version ()">gst_rtp_buffer_set_version</a>          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  75                                                          <em class="parameter"><code><span class="type">guint8</span> version</code></em>);
  76 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-padding" title="gst_rtp_buffer_get_padding ()">gst_rtp_buffer_get_padding</a>          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  77 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-padding" title="gst_rtp_buffer_set_padding ()">gst_rtp_buffer_set_padding</a>          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  78                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> padding</code></em>);
  79 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-pad-to" title="gst_rtp_buffer_pad_to ()">gst_rtp_buffer_pad_to</a>               (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  80                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
  81 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension" title="gst_rtp_buffer_get_extension ()">gst_rtp_buffer_get_extension</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  82 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-extension" title="gst_rtp_buffer_set_extension ()">gst_rtp_buffer_set_extension</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  83                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> extension</code></em>);
  84 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension-data" title="gst_rtp_buffer_get_extension_data ()">gst_rtp_buffer_get_extension_data</a>   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  85                                                          <em class="parameter"><code><span class="type">guint16</span> *bits</code></em>,
  86                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
  87                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *wordlen</code></em>);
  88 <span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-ssrc" title="gst_rtp_buffer_get_ssrc ()">gst_rtp_buffer_get_ssrc</a>             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  89 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-ssrc" title="gst_rtp_buffer_set_ssrc ()">gst_rtp_buffer_set_ssrc</a>             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  90                                                          <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);
  91 <span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-csrc-count" title="gst_rtp_buffer_get_csrc_count ()">gst_rtp_buffer_get_csrc_count</a>       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  92 <span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-csrc" title="gst_rtp_buffer_get_csrc ()">gst_rtp_buffer_get_csrc</a>             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  93                                                          <em class="parameter"><code><span class="type">guint8</span> idx</code></em>);
  94 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-csrc" title="gst_rtp_buffer_set_csrc ()">gst_rtp_buffer_set_csrc</a>             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  95                                                          <em class="parameter"><code><span class="type">guint8</span> idx</code></em>,
  96                                                          <em class="parameter"><code><span class="type">guint32</span> csrc</code></em>);
  97 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-marker" title="gst_rtp_buffer_get_marker ()">gst_rtp_buffer_get_marker</a>           (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
  98 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-marker" title="gst_rtp_buffer_set_marker ()">gst_rtp_buffer_set_marker</a>           (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
  99                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> marker</code></em>);
 100 <span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-type" title="gst_rtp_buffer_get_payload_type ()">gst_rtp_buffer_get_payload_type</a>     (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
 101 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-payload-type" title="gst_rtp_buffer_set_payload_type ()">gst_rtp_buffer_set_payload_type</a>     (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 102                                                          <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);
 103 <span class="returnvalue">guint16</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-seq" title="gst_rtp_buffer_get_seq ()">gst_rtp_buffer_get_seq</a>              (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
 104 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-seq" title="gst_rtp_buffer_set_seq ()">gst_rtp_buffer_set_seq</a>              (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 105                                                          <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);
 106 <span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-timestamp" title="gst_rtp_buffer_get_timestamp ()">gst_rtp_buffer_get_timestamp</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
 107 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-timestamp" title="gst_rtp_buffer_set_timestamp ()">gst_rtp_buffer_set_timestamp</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 108                                                          <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);
 109 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-buffer" title="gst_rtp_buffer_get_payload_buffer ()">gst_rtp_buffer_get_payload_buffer</a>   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
 110 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-subbuffer" title="gst_rtp_buffer_get_payload_subbuffer ()">gst_rtp_buffer_get_payload_subbuffer</a>
 111                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 112                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
 113                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
 114 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-len" title="gst_rtp_buffer_get_payload_len ()">gst_rtp_buffer_get_payload_len</a>      (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
 115 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload" title="gst_rtp_buffer_get_payload ()">gst_rtp_buffer_get_payload</a>          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
 116 <span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-default-clock-rate" title="gst_rtp_buffer_default_clock_rate ()">gst_rtp_buffer_default_clock_rate</a>   (<em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);
 117 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-compare-seqnum" title="gst_rtp_buffer_compare_seqnum ()">gst_rtp_buffer_compare_seqnum</a>       (<em class="parameter"><code><span class="type">guint16</span> seqnum1</code></em>,
 118                                                          <em class="parameter"><code><span class="type">guint16</span> seqnum2</code></em>);
 119 <span class="returnvalue">guint64</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-ext-timestamp" title="gst_rtp_buffer_ext_timestamp ()">gst_rtp_buffer_ext_timestamp</a>        (<em class="parameter"><code><span class="type">guint64</span> *exttimestamp</code></em>,
 120                                                          <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);
 121 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-extension-data" title="gst_rtp_buffer_set_extension_data ()">gst_rtp_buffer_set_extension_data</a>   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 122                                                          <em class="parameter"><code><span class="type">guint16</span> bits</code></em>,
 123                                                          <em class="parameter"><code><span class="type">guint16</span> length</code></em>);
 124 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-validate" title="gst_rtp_buffer_list_validate ()">gst_rtp_buffer_list_validate</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
 125 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-payload-len" title="gst_rtp_buffer_list_get_payload_len ()">gst_rtp_buffer_list_get_payload_len</a> (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
 126 <span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-payload-type" title="gst_rtp_buffer_list_get_payload_type ()">gst_rtp_buffer_list_get_payload_type</a>
 127                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
 128 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-payload-type" title="gst_rtp_buffer_list_set_payload_type ()">gst_rtp_buffer_list_set_payload_type</a>
 129                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
 130                                                          <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);
 131 <span class="returnvalue">guint16</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-seq" title="gst_rtp_buffer_list_get_seq ()">gst_rtp_buffer_list_get_seq</a>         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
 132 <span class="returnvalue">guint16</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-seq" title="gst_rtp_buffer_list_set_seq ()">gst_rtp_buffer_list_set_seq</a>         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
 133                                                          <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);
 134 <span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-ssrc" title="gst_rtp_buffer_list_get_ssrc ()">gst_rtp_buffer_list_get_ssrc</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
 135 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-ssrc" title="gst_rtp_buffer_list_set_ssrc ()">gst_rtp_buffer_list_set_ssrc</a>        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
 136                                                          <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);
 137 <span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-timestamp" title="gst_rtp_buffer_list_get_timestamp ()">gst_rtp_buffer_list_get_timestamp</a>   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
 138 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-timestamp" title="gst_rtp_buffer_list_set_timestamp ()">gst_rtp_buffer_list_set_timestamp</a>   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
 139                                                          <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);
 140 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension-onebyte-header" title="gst_rtp_buffer_get_extension_onebyte_header ()">gst_rtp_buffer_get_extension_onebyte_header</a>
 141                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 142                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 143                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
 144                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
 145                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
 146 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension-twobytes-header" title="gst_rtp_buffer_get_extension_twobytes_header ()">gst_rtp_buffer_get_extension_twobytes_header</a>
 147                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 148                                                          <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
 149                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 150                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
 151                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
 152                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
 153 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-onebyte-header" title="gst_rtp_buffer_add_extension_onebyte_header ()">gst_rtp_buffer_add_extension_onebyte_header</a>
 154                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 155                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 156                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
 157                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
 158 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-twobytes-header" title="gst_rtp_buffer_add_extension_twobytes_header ()">gst_rtp_buffer_add_extension_twobytes_header</a>
 159                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 160                                                          <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
 161                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 162                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
 163                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
 164 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-extension-onebyte-header" title="gst_rtp_buffer_list_get_extension_onebyte_header ()">gst_rtp_buffer_list_get_extension_onebyte_header</a>
 165                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
 166                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
 167                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 168                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
 169                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
 170                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
 171 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-extension-twobytes-header" title="gst_rtp_buffer_list_get_extension_twobytes_header ()">gst_rtp_buffer_list_get_extension_twobytes_header</a>
 172                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
 173                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
 174                                                          <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
 175                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 176                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
 177                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
 178                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
 179 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-add-extension-onebyte-header" title="gst_rtp_buffer_list_add_extension_onebyte_header ()">gst_rtp_buffer_list_add_extension_onebyte_header</a>
 180                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
 181                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 182                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
 183                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
 184 <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-add-extension-twobytes-header" title="gst_rtp_buffer_list_add_extension_twobytes_header ()">gst_rtp_buffer_list_add_extension_twobytes_header</a>
 185                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
 186                                                          <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
 187                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
 188                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
 189                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
 190 </pre>
 191 </div>
 192 <div class="refsect1">
 193 <a name="gst-plugins-base-libs-gstrtpbuffer.description"></a><h2>Description</h2>
 194 <p>
 195 </p>
 196 <div class="refsect2">
 197 <a name="idp20554720"></a><p>
 198 The GstRTPBuffer helper functions makes it easy to parse and create regular
 199 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> objects that contain RTP payloads. These buffers are typically of
 200 'application/x-rtp' <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>.
 201 </p>
 202 </div>
 203 <p>
 204 </p>
 205 <p>
 206 Last reviewed on 2006-07-17 (0.10.10)
 207 </p>
 208 </div>
 209 <div class="refsect1">
 210 <a name="gst-plugins-base-libs-gstrtpbuffer.details"></a><h2>Details</h2>
 211 <div class="refsect2">
 212 <a name="GST-RTP-VERSION:CAPS"></a><h3>GST_RTP_VERSION</h3>
 213 <pre class="programlisting">#define GST_RTP_VERSION 2
 214 </pre>
 215 <p>
 216 The supported RTP version 2.
 217 </p>
 218 </div>
 219 <hr>
 220 <div class="refsect2">
 221 <a name="gst-rtp-buffer-allocate-data"></a><h3>gst_rtp_buffer_allocate_data ()</h3>
 222 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_allocate_data        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 223                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
 224                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
 225                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
 226 <p>
 227 Allocate enough data in <em class="parameter"><code>buffer</code></em> to hold an RTP packet with <em class="parameter"><code>csrc_count</code></em> CSRCs,
 228 a payload length of <em class="parameter"><code>payload_len</code></em> and padding of <em class="parameter"><code>pad_len</code></em>.
 229 MALLOCDATA of <em class="parameter"><code>buffer</code></em> will be overwritten and will not be freed.
 230 All other RTP header fields will be set to 0/FALSE.
 231 </p>
 232 <div class="variablelist"><table border="0">
 233 <col align="left" valign="top">
 234 <tbody>
 235 <tr>
 236 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 237 <td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>
 238 </td>
 239 </tr>
 240 <tr>
 241 <td><p><span class="term"><em class="parameter"><code>payload_len</code></em> :</span></p></td>
 242 <td>the length of the payload</td>
 243 </tr>
 244 <tr>
 245 <td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
 246 <td>the amount of padding</td>
 247 </tr>
 248 <tr>
 249 <td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
 250 <td>the number of CSRC entries</td>
 251 </tr>
 252 </tbody>
 253 </table></div>
 254 </div>
 255 <hr>
 256 <div class="refsect2">
 257 <a name="gst-rtp-buffer-new-take-data"></a><h3>gst_rtp_buffer_new_take_data ()</h3>
 258 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_take_data        (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
 259                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
 260 <p>
 261 Create a new buffer and set the data and size of the buffer to <em class="parameter"><code>data</code></em> and <em class="parameter"><code>len</code></em>
 262 respectively. <em class="parameter"><code>data</code></em> will be freed when the buffer is unreffed, so this
 263 function transfers ownership of <em class="parameter"><code>data</code></em> to the new buffer.
 264 </p>
 265 <div class="variablelist"><table border="0">
 266 <col align="left" valign="top">
 267 <tbody>
 268 <tr>
 269 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 270 <td>data for the new buffer</td>
 271 </tr>
 272 <tr>
 273 <td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
 274 <td>the length of data</td>
 275 </tr>
 276 <tr>
 277 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 278 <td>A newly allocated buffer with <em class="parameter"><code>data</code></em> and of size <em class="parameter"><code>len</code></em>.</td>
 279 </tr>
 280 </tbody>
 281 </table></div>
 282 </div>
 283 <hr>
 284 <div class="refsect2">
 285 <a name="gst-rtp-buffer-new-copy-data"></a><h3>gst_rtp_buffer_new_copy_data ()</h3>
 286 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_copy_data        (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
 287                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
 288 <p>
 289 Create a new buffer and set the data to a copy of <em class="parameter"><code>len</code></em>
 290 bytes of <em class="parameter"><code>data</code></em> and the size to <em class="parameter"><code>len</code></em>. The data will be freed when the buffer
 291 is freed.
 292 </p>
 293 <div class="variablelist"><table border="0">
 294 <col align="left" valign="top">
 295 <tbody>
 296 <tr>
 297 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 298 <td>data for the new buffer</td>
 299 </tr>
 300 <tr>
 301 <td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
 302 <td>the length of data</td>
 303 </tr>
 304 <tr>
 305 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 306 <td>A newly allocated buffer with a copy of <em class="parameter"><code>data</code></em> and of size <em class="parameter"><code>len</code></em>.</td>
 307 </tr>
 308 </tbody>
 309 </table></div>
 310 </div>
 311 <hr>
 312 <div class="refsect2">
 313 <a name="gst-rtp-buffer-new-allocate"></a><h3>gst_rtp_buffer_new_allocate ()</h3>
 314 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_allocate         (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
 315                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
 316                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
 317 <p>
 318 Allocate a new <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> with enough data to hold an RTP packet with
 319 <em class="parameter"><code>csrc_count</code></em> CSRCs, a payload length of <em class="parameter"><code>payload_len</code></em> and padding of <em class="parameter"><code>pad_len</code></em>.
 320 All other RTP header fields will be set to 0/FALSE.
 321 </p>
 322 <div class="variablelist"><table border="0">
 323 <col align="left" valign="top">
 324 <tbody>
 325 <tr>
 326 <td><p><span class="term"><em class="parameter"><code>payload_len</code></em> :</span></p></td>
 327 <td>the length of the payload</td>
 328 </tr>
 329 <tr>
 330 <td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
 331 <td>the amount of padding</td>
 332 </tr>
 333 <tr>
 334 <td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
 335 <td>the number of CSRC entries</td>
 336 </tr>
 337 <tr>
 338 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 339 <td>A newly allocated buffer that can hold an RTP packet with given
 340 parameters.</td>
 341 </tr>
 342 </tbody>
 343 </table></div>
 344 </div>
 345 <hr>
 346 <div class="refsect2">
 347 <a name="gst-rtp-buffer-new-allocate-len"></a><h3>gst_rtp_buffer_new_allocate_len ()</h3>
 348 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_allocate_len     (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
 349                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
 350                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
 351 <p>
 352 Create a new <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> that can hold an RTP packet that is exactly
 353 <em class="parameter"><code>packet_len</code></em> long. The length of the payload depends on <em class="parameter"><code>pad_len</code></em> and
 354 <em class="parameter"><code>csrc_count</code></em> and can be calculated with <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-payload-len" title="gst_rtp_buffer_calc_payload_len ()"><code class="function">gst_rtp_buffer_calc_payload_len()</code></a>.
 355 All RTP header fields will be set to 0/FALSE.
 356 </p>
 357 <div class="variablelist"><table border="0">
 358 <col align="left" valign="top">
 359 <tbody>
 360 <tr>
 361 <td><p><span class="term"><em class="parameter"><code>packet_len</code></em> :</span></p></td>
 362 <td>the total length of the packet</td>
 363 </tr>
 364 <tr>
 365 <td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
 366 <td>the amount of padding</td>
 367 </tr>
 368 <tr>
 369 <td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
 370 <td>the number of CSRC entries</td>
 371 </tr>
 372 <tr>
 373 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 374 <td>A newly allocated buffer that can hold an RTP packet of <em class="parameter"><code>packet_len</code></em>.</td>
 375 </tr>
 376 </tbody>
 377 </table></div>
 378 </div>
 379 <hr>
 380 <div class="refsect2">
 381 <a name="gst-rtp-buffer-list-from-buffer"></a><h3>gst_rtp_buffer_list_from_buffer ()</h3>
 382 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="returnvalue">GstBufferList</span></a> *     gst_rtp_buffer_list_from_buffer     (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 383 <p>
 384 Splits a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> into a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> containing separate
 385 buffers for the header and data sections.
 386 </p>
 387 <div class="variablelist"><table border="0">
 388 <col align="left" valign="top">
 389 <tbody>
 390 <tr>
 391 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 392 <td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> containing a RTP packet</td>
 393 </tr>
 394 <tr>
 395 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 396 <td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
 397 </td>
 398 </tr>
 399 </tbody>
 400 </table></div>
 401 </div>
 402 <hr>
 403 <div class="refsect2">
 404 <a name="gst-rtp-buffer-calc-header-len"></a><h3>gst_rtp_buffer_calc_header_len ()</h3>
 405 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_calc_header_len      (<em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
 406 <p>
 407 Calculate the header length of an RTP packet with <em class="parameter"><code>csrc_count</code></em> CSRC entries.
 408 An RTP packet can have at most 15 CSRC entries.
 409 </p>
 410 <div class="variablelist"><table border="0">
 411 <col align="left" valign="top">
 412 <tbody>
 413 <tr>
 414 <td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
 415 <td>the number of CSRC entries</td>
 416 </tr>
 417 <tr>
 418 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 419 <td>The length of an RTP header with <em class="parameter"><code>csrc_count</code></em> CSRC entries.</td>
 420 </tr>
 421 </tbody>
 422 </table></div>
 423 </div>
 424 <hr>
 425 <div class="refsect2">
 426 <a name="gst-rtp-buffer-calc-packet-len"></a><h3>gst_rtp_buffer_calc_packet_len ()</h3>
 427 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_calc_packet_len      (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
 428                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
 429                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
 430 <p>
 431 Calculate the total length of an RTP packet with a payload size of <em class="parameter"><code>payload_len</code></em>,
 432 a padding of <em class="parameter"><code>pad_len</code></em> and a <em class="parameter"><code>csrc_count</code></em> CSRC entries.
 433 </p>
 434 <div class="variablelist"><table border="0">
 435 <col align="left" valign="top">
 436 <tbody>
 437 <tr>
 438 <td><p><span class="term"><em class="parameter"><code>payload_len</code></em> :</span></p></td>
 439 <td>the length of the payload</td>
 440 </tr>
 441 <tr>
 442 <td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
 443 <td>the amount of padding</td>
 444 </tr>
 445 <tr>
 446 <td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
 447 <td>the number of CSRC entries</td>
 448 </tr>
 449 <tr>
 450 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 451 <td>The total length of an RTP header with given parameters.</td>
 452 </tr>
 453 </tbody>
 454 </table></div>
 455 </div>
 456 <hr>
 457 <div class="refsect2">
 458 <a name="gst-rtp-buffer-calc-payload-len"></a><h3>gst_rtp_buffer_calc_payload_len ()</h3>
 459 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_calc_payload_len     (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
 460                                                          <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
 461                                                          <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
 462 <p>
 463 Calculate the length of the payload of an RTP packet with size <em class="parameter"><code>packet_len</code></em>,
 464 a padding of <em class="parameter"><code>pad_len</code></em> and a <em class="parameter"><code>csrc_count</code></em> CSRC entries.
 465 </p>
 466 <div class="variablelist"><table border="0">
 467 <col align="left" valign="top">
 468 <tbody>
 469 <tr>
 470 <td><p><span class="term"><em class="parameter"><code>packet_len</code></em> :</span></p></td>
 471 <td>the length of the total RTP packet</td>
 472 </tr>
 473 <tr>
 474 <td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
 475 <td>the amount of padding</td>
 476 </tr>
 477 <tr>
 478 <td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
 479 <td>the number of CSRC entries</td>
 480 </tr>
 481 <tr>
 482 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 483 <td>The length of the payload of an RTP packet  with given parameters.</td>
 484 </tr>
 485 </tbody>
 486 </table></div>
 487 </div>
 488 <hr>
 489 <div class="refsect2">
 490 <a name="gst-rtp-buffer-validate"></a><h3>gst_rtp_buffer_validate ()</h3>
 491 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_validate             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 492 <p>
 493 Check if the data pointed to by <em class="parameter"><code>buffer</code></em> is a valid RTP packet using
 494 <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate-data" title="gst_rtp_buffer_validate_data ()"><code class="function">gst_rtp_buffer_validate_data()</code></a>.
 495 Use this function to validate a packet before using the other functions in
 496 this module.
 497 </p>
 498 <div class="variablelist"><table border="0">
 499 <col align="left" valign="top">
 500 <tbody>
 501 <tr>
 502 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 503 <td>the buffer to validate</td>
 504 </tr>
 505 <tr>
 506 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 507 <td>TRUE if <em class="parameter"><code>buffer</code></em> is a valid RTP packet.</td>
 508 </tr>
 509 </tbody>
 510 </table></div>
 511 </div>
 512 <hr>
 513 <div class="refsect2">
 514 <a name="gst-rtp-buffer-validate-data"></a><h3>gst_rtp_buffer_validate_data ()</h3>
 515 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_validate_data        (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>,
 516                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
 517 <p>
 518 Check if the <em class="parameter"><code>data</code></em> and <em class="parameter"><code>size</code></em> point to the data of a valid RTP packet.
 519 This function checks the length, version and padding of the packet data.
 520 Use this function to validate a packet before using the other functions in
 521 this module.
 522 </p>
 523 <div class="variablelist"><table border="0">
 524 <col align="left" valign="top">
 525 <tbody>
 526 <tr>
 527 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 528 <td>the data to validate</td>
 529 </tr>
 530 <tr>
 531 <td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
 532 <td>the length of <em class="parameter"><code>data</code></em> to validate</td>
 533 </tr>
 534 <tr>
 535 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 536 <td>TRUE if the data points to a valid RTP packet.</td>
 537 </tr>
 538 </tbody>
 539 </table></div>
 540 </div>
 541 <hr>
 542 <div class="refsect2">
 543 <a name="gst-rtp-buffer-set-packet-len"></a><h3>gst_rtp_buffer_set_packet_len ()</h3>
 544 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_packet_len       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 545                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
 546 <p>
 547 Set the total <em class="parameter"><code>buffer</code></em> size to <em class="parameter"><code>len</code></em>. The data in the buffer will be made
 548 larger if needed. Any padding will be removed from the packet.
 549 </p>
 550 <div class="variablelist"><table border="0">
 551 <col align="left" valign="top">
 552 <tbody>
 553 <tr>
 554 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 555 <td>the buffer</td>
 556 </tr>
 557 <tr>
 558 <td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
 559 <td>the new packet length</td>
 560 </tr>
 561 </tbody>
 562 </table></div>
 563 </div>
 564 <hr>
 565 <div class="refsect2">
 566 <a name="gst-rtp-buffer-get-packet-len"></a><h3>gst_rtp_buffer_get_packet_len ()</h3>
 567 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_get_packet_len       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 568 <p>
 569 Return the total length of the packet in <em class="parameter"><code>buffer</code></em>.
 570 </p>
 571 <div class="variablelist"><table border="0">
 572 <col align="left" valign="top">
 573 <tbody>
 574 <tr>
 575 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 576 <td>the buffer</td>
 577 </tr>
 578 <tr>
 579 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 580 <td>The total length of the packet in <em class="parameter"><code>buffer</code></em>.</td>
 581 </tr>
 582 </tbody>
 583 </table></div>
 584 </div>
 585 <hr>
 586 <div class="refsect2">
 587 <a name="gst-rtp-buffer-get-header-len"></a><h3>gst_rtp_buffer_get_header_len ()</h3>
 588 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_get_header_len       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 589 <p>
 590 Return the total length of the header in <em class="parameter"><code>buffer</code></em>. This include the length of
 591 the fixed header, the CSRC list and the extension header.
 592 </p>
 593 <div class="variablelist"><table border="0">
 594 <col align="left" valign="top">
 595 <tbody>
 596 <tr>
 597 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 598 <td>the buffer</td>
 599 </tr>
 600 <tr>
 601 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 602 <td>The total length of the header in <em class="parameter"><code>buffer</code></em>.</td>
 603 </tr>
 604 </tbody>
 605 </table></div>
 606 </div>
 607 <hr>
 608 <div class="refsect2">
 609 <a name="gst-rtp-buffer-get-version"></a><h3>gst_rtp_buffer_get_version ()</h3>
 610 <pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_get_version          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 611 <p>
 612 Get the version number of the RTP packet in <em class="parameter"><code>buffer</code></em>.
 613 </p>
 614 <div class="variablelist"><table border="0">
 615 <col align="left" valign="top">
 616 <tbody>
 617 <tr>
 618 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 619 <td>the buffer</td>
 620 </tr>
 621 <tr>
 622 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 623 <td>The version of <em class="parameter"><code>buffer</code></em>.</td>
 624 </tr>
 625 </tbody>
 626 </table></div>
 627 </div>
 628 <hr>
 629 <div class="refsect2">
 630 <a name="gst-rtp-buffer-set-version"></a><h3>gst_rtp_buffer_set_version ()</h3>
 631 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_version          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 632                                                          <em class="parameter"><code><span class="type">guint8</span> version</code></em>);</pre>
 633 <p>
 634 Set the version of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>version</code></em>.
 635 </p>
 636 <div class="variablelist"><table border="0">
 637 <col align="left" valign="top">
 638 <tbody>
 639 <tr>
 640 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 641 <td>the buffer</td>
 642 </tr>
 643 <tr>
 644 <td><p><span class="term"><em class="parameter"><code>version</code></em> :</span></p></td>
 645 <td>the new version</td>
 646 </tr>
 647 </tbody>
 648 </table></div>
 649 </div>
 650 <hr>
 651 <div class="refsect2">
 652 <a name="gst-rtp-buffer-get-padding"></a><h3>gst_rtp_buffer_get_padding ()</h3>
 653 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_padding          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 654 <p>
 655 Check if the padding bit is set on the RTP packet in <em class="parameter"><code>buffer</code></em>.
 656 </p>
 657 <div class="variablelist"><table border="0">
 658 <col align="left" valign="top">
 659 <tbody>
 660 <tr>
 661 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 662 <td>the buffer</td>
 663 </tr>
 664 <tr>
 665 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 666 <td>TRUE if <em class="parameter"><code>buffer</code></em> has the padding bit set.</td>
 667 </tr>
 668 </tbody>
 669 </table></div>
 670 </div>
 671 <hr>
 672 <div class="refsect2">
 673 <a name="gst-rtp-buffer-set-padding"></a><h3>gst_rtp_buffer_set_padding ()</h3>
 674 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_padding          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 675                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> padding</code></em>);</pre>
 676 <p>
 677 Set the padding bit on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>padding</code></em>.
 678 </p>
 679 <div class="variablelist"><table border="0">
 680 <col align="left" valign="top">
 681 <tbody>
 682 <tr>
 683 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 684 <td>the buffer</td>
 685 </tr>
 686 <tr>
 687 <td><p><span class="term"><em class="parameter"><code>padding</code></em> :</span></p></td>
 688 <td>the new padding</td>
 689 </tr>
 690 </tbody>
 691 </table></div>
 692 </div>
 693 <hr>
 694 <div class="refsect2">
 695 <a name="gst-rtp-buffer-pad-to"></a><h3>gst_rtp_buffer_pad_to ()</h3>
 696 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_pad_to               (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 697                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
 698 <p>
 699 Set the amount of padding in the RTP packet in <em class="parameter"><code>buffer</code></em> to
 700 <em class="parameter"><code>len</code></em>. If <em class="parameter"><code>len</code></em> is 0, the padding is removed.
 701 </p>
 702 <p>
 703 NOTE: This function does not work correctly.
 704 </p>
 705 <div class="variablelist"><table border="0">
 706 <col align="left" valign="top">
 707 <tbody>
 708 <tr>
 709 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 710 <td>the buffer</td>
 711 </tr>
 712 <tr>
 713 <td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
 714 <td>the new amount of padding</td>
 715 </tr>
 716 </tbody>
 717 </table></div>
 718 </div>
 719 <hr>
 720 <div class="refsect2">
 721 <a name="gst-rtp-buffer-get-extension"></a><h3>gst_rtp_buffer_get_extension ()</h3>
 722 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 723 <p>
 724 Check if the extension bit is set on the RTP packet in <em class="parameter"><code>buffer</code></em>.
 725 </p>
 726 <div class="variablelist"><table border="0">
 727 <col align="left" valign="top">
 728 <tbody>
 729 <tr>
 730 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 731 <td>the buffer</td>
 732 </tr>
 733 <tr>
 734 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 735 <td>TRUE if <em class="parameter"><code>buffer</code></em> has the extension bit set.</td>
 736 </tr>
 737 </tbody>
 738 </table></div>
 739 </div>
 740 <hr>
 741 <div class="refsect2">
 742 <a name="gst-rtp-buffer-set-extension"></a><h3>gst_rtp_buffer_set_extension ()</h3>
 743 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_extension        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 744                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> extension</code></em>);</pre>
 745 <p>
 746 Set the extension bit on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>extension</code></em>.
 747 </p>
 748 <div class="variablelist"><table border="0">
 749 <col align="left" valign="top">
 750 <tbody>
 751 <tr>
 752 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 753 <td>the buffer</td>
 754 </tr>
 755 <tr>
 756 <td><p><span class="term"><em class="parameter"><code>extension</code></em> :</span></p></td>
 757 <td>the new extension</td>
 758 </tr>
 759 </tbody>
 760 </table></div>
 761 </div>
 762 <hr>
 763 <div class="refsect2">
 764 <a name="gst-rtp-buffer-get-extension-data"></a><h3>gst_rtp_buffer_get_extension_data ()</h3>
 765 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension_data   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 766                                                          <em class="parameter"><code><span class="type">guint16</span> *bits</code></em>,
 767                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
 768                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *wordlen</code></em>);</pre>
 769 <p>
 770 Get the extension data. <em class="parameter"><code>bits</code></em> will contain the extension 16 bits of custom
 771 data. <em class="parameter"><code>data</code></em> will point to the data in the extension and <em class="parameter"><code>wordlen</code></em> will contain
 772 the length of <em class="parameter"><code>data</code></em> in 32 bits words.
 773 </p>
 774 <p>
 775 If <em class="parameter"><code>buffer</code></em> did not contain an extension, this function will return <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
 776 with <em class="parameter"><code>bits</code></em>, <em class="parameter"><code>data</code></em> and <em class="parameter"><code>wordlen</code></em> unchanged.
 777 </p>
 778 <div class="variablelist"><table border="0">
 779 <col align="left" valign="top">
 780 <tbody>
 781 <tr>
 782 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 783 <td>the buffer</td>
 784 </tr>
 785 <tr>
 786 <td><p><span class="term"><em class="parameter"><code>bits</code></em> :</span></p></td>
 787 <td>location for result bits</td>
 788 </tr>
 789 <tr>
 790 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 791 <td>location for data</td>
 792 </tr>
 793 <tr>
 794 <td><p><span class="term"><em class="parameter"><code>wordlen</code></em> :</span></p></td>
 795 <td>location for length of <em class="parameter"><code>data</code></em> in 32 bits words</td>
 796 </tr>
 797 <tr>
 798 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 799 <td>TRUE if <em class="parameter"><code>buffer</code></em> had the extension bit set.</td>
 800 </tr>
 801 </tbody>
 802 </table></div>
 803 <p class="since">Since 0.10.15</p>
 804 </div>
 805 <hr>
 806 <div class="refsect2">
 807 <a name="gst-rtp-buffer-get-ssrc"></a><h3>gst_rtp_buffer_get_ssrc ()</h3>
 808 <pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_get_ssrc             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 809 <p>
 810 Get the SSRC of the RTP packet in <em class="parameter"><code>buffer</code></em>.
 811 </p>
 812 <div class="variablelist"><table border="0">
 813 <col align="left" valign="top">
 814 <tbody>
 815 <tr>
 816 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 817 <td>the buffer</td>
 818 </tr>
 819 <tr>
 820 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 821 <td>the SSRC of <em class="parameter"><code>buffer</code></em> in host order.</td>
 822 </tr>
 823 </tbody>
 824 </table></div>
 825 </div>
 826 <hr>
 827 <div class="refsect2">
 828 <a name="gst-rtp-buffer-set-ssrc"></a><h3>gst_rtp_buffer_set_ssrc ()</h3>
 829 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_ssrc             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 830                                                          <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);</pre>
 831 <p>
 832 Set the SSRC on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>ssrc</code></em>.
 833 </p>
 834 <div class="variablelist"><table border="0">
 835 <col align="left" valign="top">
 836 <tbody>
 837 <tr>
 838 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 839 <td>the buffer</td>
 840 </tr>
 841 <tr>
 842 <td><p><span class="term"><em class="parameter"><code>ssrc</code></em> :</span></p></td>
 843 <td>the new SSRC</td>
 844 </tr>
 845 </tbody>
 846 </table></div>
 847 </div>
 848 <hr>
 849 <div class="refsect2">
 850 <a name="gst-rtp-buffer-get-csrc-count"></a><h3>gst_rtp_buffer_get_csrc_count ()</h3>
 851 <pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_get_csrc_count       (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 852 <p>
 853 Get the CSRC count of the RTP packet in <em class="parameter"><code>buffer</code></em>.
 854 </p>
 855 <div class="variablelist"><table border="0">
 856 <col align="left" valign="top">
 857 <tbody>
 858 <tr>
 859 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 860 <td>the buffer</td>
 861 </tr>
 862 <tr>
 863 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 864 <td>the CSRC count of <em class="parameter"><code>buffer</code></em>.</td>
 865 </tr>
 866 </tbody>
 867 </table></div>
 868 </div>
 869 <hr>
 870 <div class="refsect2">
 871 <a name="gst-rtp-buffer-get-csrc"></a><h3>gst_rtp_buffer_get_csrc ()</h3>
 872 <pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_get_csrc             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 873                                                          <em class="parameter"><code><span class="type">guint8</span> idx</code></em>);</pre>
 874 <p>
 875 Get the CSRC at index <em class="parameter"><code>idx</code></em> in <em class="parameter"><code>buffer</code></em>.
 876 </p>
 877 <div class="variablelist"><table border="0">
 878 <col align="left" valign="top">
 879 <tbody>
 880 <tr>
 881 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 882 <td>the buffer</td>
 883 </tr>
 884 <tr>
 885 <td><p><span class="term"><em class="parameter"><code>idx</code></em> :</span></p></td>
 886 <td>the index of the CSRC to get</td>
 887 </tr>
 888 <tr>
 889 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 890 <td>the CSRC at index <em class="parameter"><code>idx</code></em> in host order.</td>
 891 </tr>
 892 </tbody>
 893 </table></div>
 894 </div>
 895 <hr>
 896 <div class="refsect2">
 897 <a name="gst-rtp-buffer-set-csrc"></a><h3>gst_rtp_buffer_set_csrc ()</h3>
 898 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_csrc             (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 899                                                          <em class="parameter"><code><span class="type">guint8</span> idx</code></em>,
 900                                                          <em class="parameter"><code><span class="type">guint32</span> csrc</code></em>);</pre>
 901 <p>
 902 Modify the CSRC at index <em class="parameter"><code>idx</code></em> in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>csrc</code></em>.
 903 </p>
 904 <div class="variablelist"><table border="0">
 905 <col align="left" valign="top">
 906 <tbody>
 907 <tr>
 908 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 909 <td>the buffer</td>
 910 </tr>
 911 <tr>
 912 <td><p><span class="term"><em class="parameter"><code>idx</code></em> :</span></p></td>
 913 <td>the CSRC index to set</td>
 914 </tr>
 915 <tr>
 916 <td><p><span class="term"><em class="parameter"><code>csrc</code></em> :</span></p></td>
 917 <td>the CSRC in host order to set at <em class="parameter"><code>idx</code></em>
 918 </td>
 919 </tr>
 920 </tbody>
 921 </table></div>
 922 </div>
 923 <hr>
 924 <div class="refsect2">
 925 <a name="gst-rtp-buffer-get-marker"></a><h3>gst_rtp_buffer_get_marker ()</h3>
 926 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_marker           (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 927 <p>
 928 Check if the marker bit is set on the RTP packet in <em class="parameter"><code>buffer</code></em>.
 929 </p>
 930 <div class="variablelist"><table border="0">
 931 <col align="left" valign="top">
 932 <tbody>
 933 <tr>
 934 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 935 <td>the buffer</td>
 936 </tr>
 937 <tr>
 938 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 939 <td>TRUE if <em class="parameter"><code>buffer</code></em> has the marker bit set.</td>
 940 </tr>
 941 </tbody>
 942 </table></div>
 943 </div>
 944 <hr>
 945 <div class="refsect2">
 946 <a name="gst-rtp-buffer-set-marker"></a><h3>gst_rtp_buffer_set_marker ()</h3>
 947 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_marker           (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 948                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> marker</code></em>);</pre>
 949 <p>
 950 Set the marker bit on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>marker</code></em>.
 951 </p>
 952 <div class="variablelist"><table border="0">
 953 <col align="left" valign="top">
 954 <tbody>
 955 <tr>
 956 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 957 <td>the buffer</td>
 958 </tr>
 959 <tr>
 960 <td><p><span class="term"><em class="parameter"><code>marker</code></em> :</span></p></td>
 961 <td>the new marker</td>
 962 </tr>
 963 </tbody>
 964 </table></div>
 965 </div>
 966 <hr>
 967 <div class="refsect2">
 968 <a name="gst-rtp-buffer-get-payload-type"></a><h3>gst_rtp_buffer_get_payload_type ()</h3>
 969 <pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_get_payload_type     (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
 970 <p>
 971 Get the payload type of the RTP packet in <em class="parameter"><code>buffer</code></em>.
 972 </p>
 973 <div class="variablelist"><table border="0">
 974 <col align="left" valign="top">
 975 <tbody>
 976 <tr>
 977 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
 978 <td>the buffer</td>
 979 </tr>
 980 <tr>
 981 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 982 <td>The payload type.</td>
 983 </tr>
 984 </tbody>
 985 </table></div>
 986 </div>
 987 <hr>
 988 <div class="refsect2">
 989 <a name="gst-rtp-buffer-set-payload-type"></a><h3>gst_rtp_buffer_set_payload_type ()</h3>
 990 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_payload_type     (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
 991                                                          <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);</pre>
 992 <p>
 993 Set the payload type of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>payload_type</code></em>.
 994 </p>
 995 <div class="variablelist"><table border="0">
 996 <col align="left" valign="top">
 997 <tbody>
 998 <tr>
 999 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1000 <td>the buffer</td>
1001 </tr>
1002 <tr>
1003 <td><p><span class="term"><em class="parameter"><code>payload_type</code></em> :</span></p></td>
1004 <td>the new type</td>
1005 </tr>
1006 </tbody>
1007 </table></div>
1008 </div>
1009 <hr>
1010 <div class="refsect2">
1011 <a name="gst-rtp-buffer-get-seq"></a><h3>gst_rtp_buffer_get_seq ()</h3>
1012 <pre class="programlisting"><span class="returnvalue">guint16</span>             gst_rtp_buffer_get_seq              (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
1013 <p>
1014 Get the sequence number of the RTP packet in <em class="parameter"><code>buffer</code></em>.
1015 </p>
1016 <div class="variablelist"><table border="0">
1017 <col align="left" valign="top">
1018 <tbody>
1019 <tr>
1020 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1021 <td>the buffer</td>
1022 </tr>
1023 <tr>
1024 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1025 <td>The sequence number in host order.</td>
1026 </tr>
1027 </tbody>
1028 </table></div>
1029 </div>
1030 <hr>
1031 <div class="refsect2">
1032 <a name="gst-rtp-buffer-set-seq"></a><h3>gst_rtp_buffer_set_seq ()</h3>
1033 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_seq              (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1034                                                          <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);</pre>
1035 <p>
1036 Set the sequence number of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>seq</code></em>.
1037 </p>
1038 <div class="variablelist"><table border="0">
1039 <col align="left" valign="top">
1040 <tbody>
1041 <tr>
1042 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1043 <td>the buffer</td>
1044 </tr>
1045 <tr>
1046 <td><p><span class="term"><em class="parameter"><code>seq</code></em> :</span></p></td>
1047 <td>the new sequence number</td>
1048 </tr>
1049 </tbody>
1050 </table></div>
1051 </div>
1052 <hr>
1053 <div class="refsect2">
1054 <a name="gst-rtp-buffer-get-timestamp"></a><h3>gst_rtp_buffer_get_timestamp ()</h3>
1055 <pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_get_timestamp        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
1056 <p>
1057 Get the timestamp of the RTP packet in <em class="parameter"><code>buffer</code></em>.
1058 </p>
1059 <div class="variablelist"><table border="0">
1060 <col align="left" valign="top">
1061 <tbody>
1062 <tr>
1063 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1064 <td>the buffer</td>
1065 </tr>
1066 <tr>
1067 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1068 <td>The timestamp in host order.</td>
1069 </tr>
1070 </tbody>
1071 </table></div>
1072 </div>
1073 <hr>
1074 <div class="refsect2">
1075 <a name="gst-rtp-buffer-set-timestamp"></a><h3>gst_rtp_buffer_set_timestamp ()</h3>
1076 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_timestamp        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1077                                                          <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);</pre>
1078 <p>
1079 Set the timestamp of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>timestamp</code></em>.
1080 </p>
1081 <div class="variablelist"><table border="0">
1082 <col align="left" valign="top">
1083 <tbody>
1084 <tr>
1085 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1086 <td>the buffer</td>
1087 </tr>
1088 <tr>
1089 <td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
1090 <td>the new timestamp</td>
1091 </tr>
1092 </tbody>
1093 </table></div>
1094 </div>
1095 <hr>
1096 <div class="refsect2">
1097 <a name="gst-rtp-buffer-get-payload-buffer"></a><h3>gst_rtp_buffer_get_payload_buffer ()</h3>
1098 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_get_payload_buffer   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
1099 <p>
1100 Create a buffer of the payload of the RTP packet in <em class="parameter"><code>buffer</code></em>. This function
1101 will internally create a subbuffer of <em class="parameter"><code>buffer</code></em> so that a memcpy can be
1102 avoided.
1103 </p>
1104 <div class="variablelist"><table border="0">
1105 <col align="left" valign="top">
1106 <tbody>
1107 <tr>
1108 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1109 <td>the buffer</td>
1110 </tr>
1111 <tr>
1112 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1113 <td>A new buffer with the data of the payload.</td>
1114 </tr>
1115 </tbody>
1116 </table></div>
1117 </div>
1118 <hr>
1119 <div class="refsect2">
1120 <a name="gst-rtp-buffer-get-payload-subbuffer"></a><h3>gst_rtp_buffer_get_payload_subbuffer ()</h3>
1121 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_get_payload_subbuffer
1122                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1123                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
1124                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
1125 <p>
1126 Create a subbuffer of the payload of the RTP packet in <em class="parameter"><code>buffer</code></em>. <em class="parameter"><code>offset</code></em> bytes
1127 are skipped in the payload and the subbuffer will be of size <em class="parameter"><code>len</code></em>.
1128 If <em class="parameter"><code>len</code></em> is -1 the total payload starting from <em class="parameter"><code>offset</code></em> if subbuffered.
1129 </p>
1130 <div class="variablelist"><table border="0">
1131 <col align="left" valign="top">
1132 <tbody>
1133 <tr>
1134 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1135 <td>the buffer</td>
1136 </tr>
1137 <tr>
1138 <td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
1139 <td>the offset in the payload</td>
1140 </tr>
1141 <tr>
1142 <td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
1143 <td>the length in the payload</td>
1144 </tr>
1145 <tr>
1146 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1147 <td>A new buffer with the specified data of the payload.</td>
1148 </tr>
1149 </tbody>
1150 </table></div>
1151 <p class="since">Since 0.10.10</p>
1152 </div>
1153 <hr>
1154 <div class="refsect2">
1155 <a name="gst-rtp-buffer-get-payload-len"></a><h3>gst_rtp_buffer_get_payload_len ()</h3>
1156 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_get_payload_len      (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
1157 <p>
1158 Get the length of the payload of the RTP packet in <em class="parameter"><code>buffer</code></em>.
1159 </p>
1160 <div class="variablelist"><table border="0">
1161 <col align="left" valign="top">
1162 <tbody>
1163 <tr>
1164 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1165 <td>the buffer</td>
1166 </tr>
1167 <tr>
1168 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1169 <td>The length of the payload in <em class="parameter"><code>buffer</code></em>.</td>
1170 </tr>
1171 </tbody>
1172 </table></div>
1173 </div>
1174 <hr>
1175 <div class="refsect2">
1176 <a name="gst-rtp-buffer-get-payload"></a><h3>gst_rtp_buffer_get_payload ()</h3>
1177 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>            gst_rtp_buffer_get_payload          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
1178 <p>
1179 Get a pointer to the payload data in <em class="parameter"><code>buffer</code></em>. This pointer is valid as long
1180 as a reference to <em class="parameter"><code>buffer</code></em> is held.
1181 </p>
1182 <div class="variablelist"><table border="0">
1183 <col align="left" valign="top">
1184 <tbody>
1185 <tr>
1186 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1187 <td>the buffer</td>
1188 </tr>
1189 <tr>
1190 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1191 <td>A pointer to the payload data in <em class="parameter"><code>buffer</code></em>.</td>
1192 </tr>
1193 </tbody>
1194 </table></div>
1195 </div>
1196 <hr>
1197 <div class="refsect2">
1198 <a name="gst-rtp-buffer-default-clock-rate"></a><h3>gst_rtp_buffer_default_clock_rate ()</h3>
1199 <pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_default_clock_rate   (<em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);</pre>
1200 <p>
1201 Get the default clock-rate for the static payload type <em class="parameter"><code>payload_type</code></em>.
1202 </p>
1203 <div class="variablelist"><table border="0">
1204 <col align="left" valign="top">
1205 <tbody>
1206 <tr>
1207 <td><p><span class="term"><em class="parameter"><code>payload_type</code></em> :</span></p></td>
1208 <td>the static payload type</td>
1209 </tr>
1210 <tr>
1211 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1212 <td>the default clock rate or -1 if the payload type is not static or
1213 the clock-rate is undefined.</td>
1214 </tr>
1215 </tbody>
1216 </table></div>
1217 <p class="since">Since 0.10.13</p>
1218 </div>
1219 <hr>
1220 <div class="refsect2">
1221 <a name="gst-rtp-buffer-compare-seqnum"></a><h3>gst_rtp_buffer_compare_seqnum ()</h3>
1222 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                gst_rtp_buffer_compare_seqnum       (<em class="parameter"><code><span class="type">guint16</span> seqnum1</code></em>,
1223                                                          <em class="parameter"><code><span class="type">guint16</span> seqnum2</code></em>);</pre>
1224 <p>
1225 Compare two sequence numbers, taking care of wraparounds. This function
1226 returns the difference between <em class="parameter"><code>seqnum1</code></em> and <em class="parameter"><code>seqnum2</code></em>.
1227 </p>
1228 <div class="variablelist"><table border="0">
1229 <col align="left" valign="top">
1230 <tbody>
1231 <tr>
1232 <td><p><span class="term"><em class="parameter"><code>seqnum1</code></em> :</span></p></td>
1233 <td>a sequence number</td>
1234 </tr>
1235 <tr>
1236 <td><p><span class="term"><em class="parameter"><code>seqnum2</code></em> :</span></p></td>
1237 <td>a sequence number</td>
1238 </tr>
1239 <tr>
1240 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1241 <td>a negative value if <em class="parameter"><code>seqnum1</code></em> is bigger than <em class="parameter"><code>seqnum2</code></em>, 0 if they
1242 are equal or a positive value if <em class="parameter"><code>seqnum1</code></em> is smaller than <em class="parameter"><code>segnum2</code></em>.</td>
1243 </tr>
1244 </tbody>
1245 </table></div>
1246 <p class="since">Since 0.10.15</p>
1247 </div>
1248 <hr>
1249 <div class="refsect2">
1250 <a name="gst-rtp-buffer-ext-timestamp"></a><h3>gst_rtp_buffer_ext_timestamp ()</h3>
1251 <pre class="programlisting"><span class="returnvalue">guint64</span>             gst_rtp_buffer_ext_timestamp        (<em class="parameter"><code><span class="type">guint64</span> *exttimestamp</code></em>,
1252                                                          <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);</pre>
1253 <p>
1254 Update the <em class="parameter"><code>exttimestamp</code></em> field with <em class="parameter"><code>timestamp</code></em>. For the first call of the
1255 method, <em class="parameter"><code>exttimestamp</code></em> should point to a location with a value of -1.
1256 </p>
1257 <p>
1258 This function makes sure that the returned value is a constantly increasing
1259 value even in the case where there is a timestamp wraparound.
1260 </p>
1261 <div class="variablelist"><table border="0">
1262 <col align="left" valign="top">
1263 <tbody>
1264 <tr>
1265 <td><p><span class="term"><em class="parameter"><code>exttimestamp</code></em> :</span></p></td>
1266 <td>a previous extended timestamp</td>
1267 </tr>
1268 <tr>
1269 <td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
1270 <td>a new timestamp</td>
1271 </tr>
1272 <tr>
1273 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1274 <td>The extended timestamp of <em class="parameter"><code>timestamp</code></em>.</td>
1275 </tr>
1276 </tbody>
1277 </table></div>
1278 <p class="since">Since 0.10.15</p>
1279 </div>
1280 <hr>
1281 <div class="refsect2">
1282 <a name="gst-rtp-buffer-set-extension-data"></a><h3>gst_rtp_buffer_set_extension_data ()</h3>
1283 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_set_extension_data   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1284                                                          <em class="parameter"><code><span class="type">guint16</span> bits</code></em>,
1285                                                          <em class="parameter"><code><span class="type">guint16</span> length</code></em>);</pre>
1286 <p>
1287 Set the extension bit of the rtp buffer and fill in the <em class="parameter"><code>bits</code></em> and <em class="parameter"><code>length</code></em> of the
1288 extension header. It will refuse to set the extension data if the buffer is not
1289 large enough.
1290 </p>
1291 <div class="variablelist"><table border="0">
1292 <col align="left" valign="top">
1293 <tbody>
1294 <tr>
1295 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1296 <td>the buffer</td>
1297 </tr>
1298 <tr>
1299 <td><p><span class="term"><em class="parameter"><code>bits</code></em> :</span></p></td>
1300 <td>the bits specific for the extension</td>
1301 </tr>
1302 <tr>
1303 <td><p><span class="term"><em class="parameter"><code>length</code></em> :</span></p></td>
1304 <td>the length that counts the number of 32-bit words in
1305 the extension, excluding the extension header ( therefore zero is a valid length)</td>
1306 </tr>
1307 <tr>
1308 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1309 <td>True if done.</td>
1310 </tr>
1311 </tbody>
1312 </table></div>
1313 <p class="since">Since 0.10.18</p>
1314 </div>
1315 <hr>
1316 <div class="refsect2">
1317 <a name="gst-rtp-buffer-list-validate"></a><h3>gst_rtp_buffer_list_validate ()</h3>
1318 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_validate        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
1319 <p>
1320 Check if all RTP packets in the <em class="parameter"><code>list</code></em> are valid using <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate-data" title="gst_rtp_buffer_validate_data ()"><code class="function">gst_rtp_buffer_validate_data()</code></a>.
1321 Use this function to validate an list before using the other functions in
1322 this module.
1323 </p>
1324 <div class="variablelist"><table border="0">
1325 <col align="left" valign="top">
1326 <tbody>
1327 <tr>
1328 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1329 <td>the buffer list to validate</td>
1330 </tr>
1331 <tr>
1332 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1333 <td>TRUE if <em class="parameter"><code>list</code></em> consists only of valid RTP packets.</td>
1334 </tr>
1335 </tbody>
1336 </table></div>
1337 <p class="since">Since 0.10.24</p>
1338 </div>
1339 <hr>
1340 <div class="refsect2">
1341 <a name="gst-rtp-buffer-list-get-payload-len"></a><h3>gst_rtp_buffer_list_get_payload_len ()</h3>
1342 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_list_get_payload_len (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
1343 <p>
1344 Get the length of the payload of the RTP packet in <em class="parameter"><code>list</code></em>.
1345 </p>
1346 <div class="variablelist"><table border="0">
1347 <col align="left" valign="top">
1348 <tbody>
1349 <tr>
1350 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1351 <td>the buffer list</td>
1352 </tr>
1353 <tr>
1354 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1355 <td>The length of the payload in <em class="parameter"><code>list</code></em>.</td>
1356 </tr>
1357 </tbody>
1358 </table></div>
1359 <p class="since">Since 0.10.24</p>
1360 </div>
1361 <hr>
1362 <div class="refsect2">
1363 <a name="gst-rtp-buffer-list-get-payload-type"></a><h3>gst_rtp_buffer_list_get_payload_type ()</h3>
1364 <pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_list_get_payload_type
1365                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
1366 <p>
1367 Get the payload type of the first RTP packet in <em class="parameter"><code>list</code></em>.
1368 All packets in <em class="parameter"><code>list</code></em> should have the same payload type.
1369 </p>
1370 <div class="variablelist"><table border="0">
1371 <col align="left" valign="top">
1372 <tbody>
1373 <tr>
1374 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1375 <td>the buffer list</td>
1376 </tr>
1377 <tr>
1378 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1379 <td>The payload type.</td>
1380 </tr>
1381 </tbody>
1382 </table></div>
1383 <p class="since">Since 0.10.24</p>
1384 </div>
1385 <hr>
1386 <div class="refsect2">
1387 <a name="gst-rtp-buffer-list-set-payload-type"></a><h3>gst_rtp_buffer_list_set_payload_type ()</h3>
1388 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_list_set_payload_type
1389                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
1390                                                          <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);</pre>
1391 <p>
1392 Set the payload type of each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>payload_type</code></em>.
1393 </p>
1394 <div class="variablelist"><table border="0">
1395 <col align="left" valign="top">
1396 <tbody>
1397 <tr>
1398 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1399 <td>the buffer list</td>
1400 </tr>
1401 <tr>
1402 <td><p><span class="term"><em class="parameter"><code>payload_type</code></em> :</span></p></td>
1403 <td>the new type</td>
1404 </tr>
1405 </tbody>
1406 </table></div>
1407 <p class="since">Since 0.10.24</p>
1408 </div>
1409 <hr>
1410 <div class="refsect2">
1411 <a name="gst-rtp-buffer-list-get-seq"></a><h3>gst_rtp_buffer_list_get_seq ()</h3>
1412 <pre class="programlisting"><span class="returnvalue">guint16</span>             gst_rtp_buffer_list_get_seq         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
1413 <p>
1414 Get the sequence number of the first RTP packet in <em class="parameter"><code>list</code></em>.
1415 All packets within <em class="parameter"><code>list</code></em> have the same sequence number.
1416 </p>
1417 <div class="variablelist"><table border="0">
1418 <col align="left" valign="top">
1419 <tbody>
1420 <tr>
1421 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1422 <td>the buffer list</td>
1423 </tr>
1424 <tr>
1425 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1426 <td>The seq number</td>
1427 </tr>
1428 </tbody>
1429 </table></div>
1430 <p class="since">Since 0.10.24</p>
1431 </div>
1432 <hr>
1433 <div class="refsect2">
1434 <a name="gst-rtp-buffer-list-set-seq"></a><h3>gst_rtp_buffer_list_set_seq ()</h3>
1435 <pre class="programlisting"><span class="returnvalue">guint16</span>             gst_rtp_buffer_list_set_seq         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
1436                                                          <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);</pre>
1437 <p>
1438 Set the sequence number of each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>seq</code></em>.
1439 </p>
1440 <div class="variablelist"><table border="0">
1441 <col align="left" valign="top">
1442 <tbody>
1443 <tr>
1444 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1445 <td>the buffer list</td>
1446 </tr>
1447 <tr>
1448 <td><p><span class="term"><em class="parameter"><code>seq</code></em> :</span></p></td>
1449 <td>the new sequence number</td>
1450 </tr>
1451 <tr>
1452 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1453 <td>The seq number of the last packet in the list + 1.</td>
1454 </tr>
1455 </tbody>
1456 </table></div>
1457 <p class="since">Since 0.10.24</p>
1458 </div>
1459 <hr>
1460 <div class="refsect2">
1461 <a name="gst-rtp-buffer-list-get-ssrc"></a><h3>gst_rtp_buffer_list_get_ssrc ()</h3>
1462 <pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_list_get_ssrc        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
1463 <p>
1464 Get the SSRC of the first RTP packet in <em class="parameter"><code>list</code></em>.
1465 All RTP packets within <em class="parameter"><code>list</code></em> have the same SSRC.
1466 </p>
1467 <div class="variablelist"><table border="0">
1468 <col align="left" valign="top">
1469 <tbody>
1470 <tr>
1471 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1472 <td>the buffer list</td>
1473 </tr>
1474 <tr>
1475 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1476 <td>the SSRC of <em class="parameter"><code>list</code></em> in host order.</td>
1477 </tr>
1478 </tbody>
1479 </table></div>
1480 <p class="since">Since 0.10.24</p>
1481 </div>
1482 <hr>
1483 <div class="refsect2">
1484 <a name="gst-rtp-buffer-list-set-ssrc"></a><h3>gst_rtp_buffer_list_set_ssrc ()</h3>
1485 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_list_set_ssrc        (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
1486                                                          <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);</pre>
1487 <p>
1488 Set the SSRC on each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>ssrc</code></em>.
1489 </p>
1490 <div class="variablelist"><table border="0">
1491 <col align="left" valign="top">
1492 <tbody>
1493 <tr>
1494 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1495 <td>the buffer list</td>
1496 </tr>
1497 <tr>
1498 <td><p><span class="term"><em class="parameter"><code>ssrc</code></em> :</span></p></td>
1499 <td>the new SSRC</td>
1500 </tr>
1501 </tbody>
1502 </table></div>
1503 <p class="since">Since 0.10.24</p>
1504 </div>
1505 <hr>
1506 <div class="refsect2">
1507 <a name="gst-rtp-buffer-list-get-timestamp"></a><h3>gst_rtp_buffer_list_get_timestamp ()</h3>
1508 <pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_list_get_timestamp   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
1509 <p>
1510 Get the timestamp of the first RTP packet in <em class="parameter"><code>list</code></em>.
1511 All packets within <em class="parameter"><code>list</code></em> have the same timestamp.
1512 </p>
1513 <div class="variablelist"><table border="0">
1514 <col align="left" valign="top">
1515 <tbody>
1516 <tr>
1517 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1518 <td>the buffer list</td>
1519 </tr>
1520 <tr>
1521 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1522 <td>The timestamp in host order.</td>
1523 </tr>
1524 </tbody>
1525 </table></div>
1526 <p class="since">Since 0.10.24</p>
1527 </div>
1528 <hr>
1529 <div class="refsect2">
1530 <a name="gst-rtp-buffer-list-set-timestamp"></a><h3>gst_rtp_buffer_list_set_timestamp ()</h3>
1531 <pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_list_set_timestamp   (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
1532                                                          <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);</pre>
1533 <p>
1534 Set the timestamp of each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>timestamp</code></em>.
1535 </p>
1536 <div class="variablelist"><table border="0">
1537 <col align="left" valign="top">
1538 <tbody>
1539 <tr>
1540 <td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
1541 <td>the buffer list</td>
1542 </tr>
1543 <tr>
1544 <td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
1545 <td>the new timestamp</td>
1546 </tr>
1547 </tbody>
1548 </table></div>
1549 <p class="since">Since 0.10.24</p>
1550 </div>
1551 <hr>
1552 <div class="refsect2">
1553 <a name="gst-rtp-buffer-get-extension-onebyte-header"></a><h3>gst_rtp_buffer_get_extension_onebyte_header ()</h3>
1554 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension_onebyte_header
1555                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1556                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1557                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
1558                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
1559                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
1560 <p>
1561 Parses RFC 5285 style header extensions with a one byte header. It will
1562 return the nth extension with the requested id.
1563 </p>
1564 <div class="variablelist"><table border="0">
1565 <col align="left" valign="top">
1566 <tbody>
1567 <tr>
1568 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1569 <td>the buffer</td>
1570 </tr>
1571 <tr>
1572 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1573 <td>The ID of the header extension to be read (between 1 and 14).</td>
1574 </tr>
1575 <tr>
1576 <td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
1577 <td>Read the nth extension packet with the requested ID</td>
1578 </tr>
1579 <tr>
1580 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1581 <td>location for data</td>
1582 </tr>
1583 <tr>
1584 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1585 <td>the size of the data in bytes</td>
1586 </tr>
1587 <tr>
1588 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1589 <td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
1590 </tr>
1591 </tbody>
1592 </table></div>
1593 <p class="since">Since 0.10.31</p>
1594 </div>
1595 <hr>
1596 <div class="refsect2">
1597 <a name="gst-rtp-buffer-get-extension-twobytes-header"></a><h3>gst_rtp_buffer_get_extension_twobytes_header ()</h3>
1598 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension_twobytes_header
1599                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1600                                                          <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
1601                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1602                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
1603                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
1604                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
1605 <p>
1606 Parses RFC 5285 style header extensions with a two bytes header. It will
1607 return the nth extension with the requested id.
1608 </p>
1609 <div class="variablelist"><table border="0">
1610 <col align="left" valign="top">
1611 <tbody>
1612 <tr>
1613 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1614 <td>the buffer</td>
1615 </tr>
1616 <tr>
1617 <td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
1618 <td>Application specific bits</td>
1619 </tr>
1620 <tr>
1621 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1622 <td>The ID of the header extension to be read (between 1 and 14).</td>
1623 </tr>
1624 <tr>
1625 <td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
1626 <td>Read the nth extension packet with the requested ID</td>
1627 </tr>
1628 <tr>
1629 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1630 <td>location for data</td>
1631 </tr>
1632 <tr>
1633 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1634 <td>the size of the data in bytes</td>
1635 </tr>
1636 <tr>
1637 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1638 <td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
1639 </tr>
1640 </tbody>
1641 </table></div>
1642 <p class="since">Since 0.10.31</p>
1643 </div>
1644 <hr>
1645 <div class="refsect2">
1646 <a name="gst-rtp-buffer-add-extension-onebyte-header"></a><h3>gst_rtp_buffer_add_extension_onebyte_header ()</h3>
1647 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_add_extension_onebyte_header
1648                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1649                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1650                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
1651                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
1652 <p>
1653 Adds a RFC 5285 header extension with a one byte header to the end of the
1654 RTP header. If there is already a RFC 5285 header extension with a one byte
1655 header, the new extension will be appended.
1656 It will not work if there is already a header extension that does not follow
1657 the mecanism described in RFC 5285 or if there is a header extension with
1658 a two bytes header as described in RFC 5285. In that case, use
1659 <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-twobytes-header" title="gst_rtp_buffer_add_extension_twobytes_header ()"><code class="function">gst_rtp_buffer_add_extension_twobytes_header()</code></a>
1660 </p>
1661 <div class="variablelist"><table border="0">
1662 <col align="left" valign="top">
1663 <tbody>
1664 <tr>
1665 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1666 <td>the buffer</td>
1667 </tr>
1668 <tr>
1669 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1670 <td>The ID of the header extension (between 1 and 14).</td>
1671 </tr>
1672 <tr>
1673 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1674 <td>location for data</td>
1675 </tr>
1676 <tr>
1677 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1678 <td>the size of the data in bytes</td>
1679 </tr>
1680 <tr>
1681 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1682 <td>
1683 <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
1684 </tr>
1685 </tbody>
1686 </table></div>
1687 <p class="since">Since 0.10.31</p>
1688 </div>
1689 <hr>
1690 <div class="refsect2">
1691 <a name="gst-rtp-buffer-add-extension-twobytes-header"></a><h3>gst_rtp_buffer_add_extension_twobytes_header ()</h3>
1692 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_add_extension_twobytes_header
1693                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
1694                                                          <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
1695                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1696                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
1697                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
1698 <p>
1699 Adds a RFC 5285 header extension with a two bytes header to the end of the
1700 RTP header. If there is already a RFC 5285 header extension with a two bytes
1701 header, the new extension will be appended.
1702 It will not work if there is already a header extension that does not follow
1703 the mecanism described in RFC 5285 or if there is a header extension with
1704 a one byte header as described in RFC 5285. In that case, use
1705 <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-onebyte-header" title="gst_rtp_buffer_add_extension_onebyte_header ()"><code class="function">gst_rtp_buffer_add_extension_onebyte_header()</code></a>
1706 </p>
1707 <div class="variablelist"><table border="0">
1708 <col align="left" valign="top">
1709 <tbody>
1710 <tr>
1711 <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
1712 <td>the buffer</td>
1713 </tr>
1714 <tr>
1715 <td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
1716 <td>Application specific bits</td>
1717 </tr>
1718 <tr>
1719 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1720 <td>The ID of the header extension</td>
1721 </tr>
1722 <tr>
1723 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1724 <td>location for data</td>
1725 </tr>
1726 <tr>
1727 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1728 <td>the size of the data in bytes</td>
1729 </tr>
1730 <tr>
1731 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1732 <td>
1733 <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
1734 </tr>
1735 </tbody>
1736 </table></div>
1737 <p class="since">Since 0.10.31</p>
1738 </div>
1739 <hr>
1740 <div class="refsect2">
1741 <a name="gst-rtp-buffer-list-get-extension-onebyte-header"></a><h3>gst_rtp_buffer_list_get_extension_onebyte_header ()</h3>
1742 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_get_extension_onebyte_header
1743                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
1744                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
1745                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1746                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
1747                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
1748                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
1749 <p>
1750 Parses RFC 5285 style header extensions with a one byte header. It will
1751 return the nth extension with the requested id.
1752 </p>
1753 <div class="variablelist"><table border="0">
1754 <col align="left" valign="top">
1755 <tbody>
1756 <tr>
1757 <td><p><span class="term"><em class="parameter"><code>bufferlist</code></em> :</span></p></td>
1758 <td>the bufferlist</td>
1759 </tr>
1760 <tr>
1761 <td><p><span class="term"><em class="parameter"><code>group_idx</code></em> :</span></p></td>
1762 <td>The index of the group in the <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
1763 </td>
1764 </tr>
1765 <tr>
1766 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1767 <td>The ID of the header extension to be read (between 1 and 14).</td>
1768 </tr>
1769 <tr>
1770 <td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
1771 <td>Read the nth extension packet with the requested ID</td>
1772 </tr>
1773 <tr>
1774 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1775 <td>location for data</td>
1776 </tr>
1777 <tr>
1778 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1779 <td>the size of the data in bytes</td>
1780 </tr>
1781 <tr>
1782 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1783 <td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
1784 </tr>
1785 </tbody>
1786 </table></div>
1787 <p class="since">Since 0.10.31</p>
1788 </div>
1789 <hr>
1790 <div class="refsect2">
1791 <a name="gst-rtp-buffer-list-get-extension-twobytes-header"></a><h3>gst_rtp_buffer_list_get_extension_twobytes_header ()</h3>
1792 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_get_extension_twobytes_header
1793                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
1794                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
1795                                                          <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
1796                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1797                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
1798                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
1799                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
1800 <p>
1801 Parses RFC 5285 style header extensions with a two bytes header. It will
1802 return the nth extension with the requested id.
1803 </p>
1804 <div class="variablelist"><table border="0">
1805 <col align="left" valign="top">
1806 <tbody>
1807 <tr>
1808 <td><p><span class="term"><em class="parameter"><code>bufferlist</code></em> :</span></p></td>
1809 <td>the bufferlist</td>
1810 </tr>
1811 <tr>
1812 <td><p><span class="term"><em class="parameter"><code>group_idx</code></em> :</span></p></td>
1813 <td>The index of the group in the <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
1814 </td>
1815 </tr>
1816 <tr>
1817 <td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
1818 <td>Application specific bits</td>
1819 </tr>
1820 <tr>
1821 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1822 <td>The ID of the header extension to be read (between 1 and 14).</td>
1823 </tr>
1824 <tr>
1825 <td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
1826 <td>Read the nth extension packet with the requested ID</td>
1827 </tr>
1828 <tr>
1829 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1830 <td>location for data</td>
1831 </tr>
1832 <tr>
1833 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1834 <td>the size of the data in bytes</td>
1835 </tr>
1836 <tr>
1837 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1838 <td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
1839 </tr>
1840 </tbody>
1841 </table></div>
1842 <p class="since">Since 0.10.31</p>
1843 </div>
1844 <hr>
1845 <div class="refsect2">
1846 <a name="gst-rtp-buffer-list-add-extension-onebyte-header"></a><h3>gst_rtp_buffer_list_add_extension_onebyte_header ()</h3>
1847 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_add_extension_onebyte_header
1848                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
1849                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1850                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
1851                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
1852 <p>
1853 Adds a RFC 5285 header extension with a one byte header to the end of the
1854 RTP header. If there is already a RFC 5285 header extension with a one byte
1855 header, the new extension will be appended.
1856 It will not work if there is already a header extension that does not follow
1857 the mecanism described in RFC 5285 or if there is a header extension with
1858 a two bytes header as described in RFC 5285. In that case, use
1859 <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-add-extension-twobytes-header" title="gst_rtp_buffer_list_add_extension_twobytes_header ()"><code class="function">gst_rtp_buffer_list_add_extension_twobytes_header()</code></a>
1860 </p>
1861 <p>
1862 This function will not modify the data section of the RTP buffer, only
1863 the header.
1864 </p>
1865 <div class="variablelist"><table border="0">
1866 <col align="left" valign="top">
1867 <tbody>
1868 <tr>
1869 <td><p><span class="term"><em class="parameter"><code>it</code></em> :</span></p></td>
1870 <td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> pointing right after the <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> where
1871 the header extension should be added</td>
1872 </tr>
1873 <tr>
1874 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1875 <td>The ID of the header extension (between 1 and 14).</td>
1876 </tr>
1877 <tr>
1878 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1879 <td>location for data</td>
1880 </tr>
1881 <tr>
1882 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1883 <td>the size of the data in bytes</td>
1884 </tr>
1885 <tr>
1886 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1887 <td>
1888 <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
1889 </tr>
1890 </tbody>
1891 </table></div>
1892 <p class="since">Since 0.10.31</p>
1893 </div>
1894 <hr>
1895 <div class="refsect2">
1896 <a name="gst-rtp-buffer-list-add-extension-twobytes-header"></a><h3>gst_rtp_buffer_list_add_extension_twobytes_header ()</h3>
1897 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_add_extension_twobytes_header
1898                                                         (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
1899                                                          <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
1900                                                          <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
1901                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
1902                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
1903 <p>
1904 Adds a RFC 5285 header extension with a two bytes header to the end of the
1905 RTP header. If there is already a RFC 5285 header extension with a two bytes
1906 header, the new extension will be appended.
1907 It will not work if there is already a header extension that does not follow
1908 the mecanism described in RFC 5285 or if there is a header extension with
1909 a one byte header as described in RFC 5285. In that case, use
1910 <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-onebyte-header" title="gst_rtp_buffer_add_extension_onebyte_header ()"><code class="function">gst_rtp_buffer_add_extension_onebyte_header()</code></a>
1911 </p>
1912 <p>
1913 This function will not modify the data section of the RTP buffer, only
1914 the header.
1915 </p>
1916 <div class="variablelist"><table border="0">
1917 <col align="left" valign="top">
1918 <tbody>
1919 <tr>
1920 <td><p><span class="term"><em class="parameter"><code>it</code></em> :</span></p></td>
1921 <td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> pointing right after the <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> where
1922 the header extension should be added</td>
1923 </tr>
1924 <tr>
1925 <td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
1926 <td>Application specific bits</td>
1927 </tr>
1928 <tr>
1929 <td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
1930 <td>The ID of the header extension</td>
1931 </tr>
1932 <tr>
1933 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
1934 <td>location for data</td>
1935 </tr>
1936 <tr>
1937 <td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
1938 <td>the size of the data in bytes</td>
1939 </tr>
1940 <tr>
1941 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1942 <td>
1943 <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
1944 </tr>
1945 </tbody>
1946 </table></div>
1947 <p class="since">Since 0.10.31</p>
1948 </div>
1949 </div>
1950 <div class="refsect1">
1951 <a name="gst-plugins-base-libs-gstrtpbuffer.see-also"></a><h2>See Also</h2>
1952 <a class="link" href="gst-plugins-base-libs-gstbasertppayload.html#GstBaseRTPPayload"><span class="type">GstBaseRTPPayload</span></a>, <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a>, gstrtcpbuffer
1953 </div>
1954 </div>
1955 <div class="footer">
1956 <hr>
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