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

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  20 <th width="100%" align="center">GStreamer Base Plugins 0.10 Library Reference Manual</th>
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  24 <a href="#gst-plugins-base-libs-gstriff.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#gst-plugins-base-libs-gstriff.description" class="shortcut">Description</a>
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  29 <div class="refentry">
  30 <a name="gst-plugins-base-libs-gstriff"></a><div class="titlepage"></div>
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  33 <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstriff.top_of_page"></a>gstriff</span></h2>
  34 <p>gstriff — Riff fileformat utillity functions.</p>
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  38 <div class="refsynopsisdiv">
  39 <a name="gst-plugins-base-libs-gstriff.synopsis"></a><h2>Synopsis</h2>
  40 <pre class="synopsis">
  41 #include &lt;gst/riff/riff-media.h&gt;
  42
  43 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-create-audio-caps" title="gst_riff_create_audio_caps ()">gst_riff_create_audio_caps</a>          (<em class="parameter"><code><span class="type">guint16</span> codec_id</code></em>,
  44                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> *strh</code></em>,
  45                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-auds"><span class="type">gst_riff_strf_auds</span></a> *strf</code></em>,
  46                                                          <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> *strf_data</code></em>,
  47                                                          <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> *strd_data</code></em>,
  48                                                          <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);
  49 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-create-audio-template-caps" title="gst_riff_create_audio_template_caps ()">gst_riff_create_audio_template_caps</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
  50 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-create-iavs-caps" title="gst_riff_create_iavs_caps ()">gst_riff_create_iavs_caps</a>           (<em class="parameter"><code><span class="type">guint32</span> codec_fcc</code></em>,
  51                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> *strh</code></em>,
  52                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-iavs"><span class="type">gst_riff_strf_iavs</span></a> *strf</code></em>,
  53                                                          <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> *strf_data</code></em>,
  54                                                          <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> *strd_data</code></em>,
  55                                                          <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);
  56 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-create-iavs-template-caps" title="gst_riff_create_iavs_template_caps ()">gst_riff_create_iavs_template_caps</a>  (<em class="parameter"><code><span class="type">void</span></code></em>);
  57 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-create-video-caps" title="gst_riff_create_video_caps ()">gst_riff_create_video_caps</a>          (<em class="parameter"><code><span class="type">guint32</span> codec_fcc</code></em>,
  58                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> *strh</code></em>,
  59                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-vids"><span class="type">gst_riff_strf_vids</span></a> *strf</code></em>,
  60                                                          <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> *strf_data</code></em>,
  61                                                          <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> *strd_data</code></em>,
  62                                                          <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);
  63 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-create-video-template-caps" title="gst_riff_create_video_template_caps ()">gst_riff_create_video_template_caps</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
  64 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-init" title="gst_riff_init ()">gst_riff_init</a>                       (<em class="parameter"><code><span class="type">void</span></code></em>);
  65 <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-gstriff.html#gst-riff-parse-chunk" title="gst_riff_parse_chunk ()">gst_riff_parse_chunk</a>                (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  66                                                          <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> *buf</code></em>,
  67                                                          <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>,
  68                                                          <em class="parameter"><code><span class="type">guint32</span> *fourcc</code></em>,
  69                                                          <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> **chunk_data</code></em>);
  70 <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-gstriff.html#gst-riff-parse-file-header" title="gst_riff_parse_file_header ()">gst_riff_parse_file_header</a>          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  71                                                          <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> *buf</code></em>,
  72                                                          <em class="parameter"><code><span class="type">guint32</span> *doctype</code></em>);
  73 <span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-parse-info" title="gst_riff_parse_info ()">gst_riff_parse_info</a>                 (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  74                                                          <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> *buf</code></em>,
  75                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstTagList.html#GstTagList"><span class="type">GstTagList</span></a> **taglist</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-gstriff.html#gst-riff-parse-strf-auds" title="gst_riff_parse_strf_auds ()">gst_riff_parse_strf_auds</a>            (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  77                                                          <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> *buf</code></em>,
  78                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-auds"><span class="type">gst_riff_strf_auds</span></a> **strf</code></em>,
  79                                                          <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> **data</code></em>);
  80 <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-gstriff.html#gst-riff-parse-strf-iavs" title="gst_riff_parse_strf_iavs ()">gst_riff_parse_strf_iavs</a>            (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  81                                                          <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> *buf</code></em>,
  82                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-iavs"><span class="type">gst_riff_strf_iavs</span></a> **strf</code></em>,
  83                                                          <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> **data</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-gstriff.html#gst-riff-parse-strf-vids" title="gst_riff_parse_strf_vids ()">gst_riff_parse_strf_vids</a>            (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  85                                                          <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> *buf</code></em>,
  86                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-vids"><span class="type">gst_riff_strf_vids</span></a> **strf</code></em>,
  87                                                          <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> **data</code></em>);
  88 <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-gstriff.html#gst-riff-parse-strh" title="gst_riff_parse_strh ()">gst_riff_parse_strh</a>                 (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  89                                                          <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> *buf</code></em>,
  90                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> **strh</code></em>);
  91 <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       <a class="link" href="gst-plugins-base-libs-gstriff.html#gst-riff-read-chunk" title="gst_riff_read_chunk ()">gst_riff_read_chunk</a>                 (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
  92                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html"><span class="type">GstPad</span></a> *pad</code></em>,
  93                                                          <em class="parameter"><code><span class="type">guint64</span> *offset</code></em>,
  94                                                          <em class="parameter"><code><span class="type">guint32</span> *tag</code></em>,
  95                                                          <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> **chunk_data</code></em>);
  96 </pre>
  97 </div>
  98 <div class="refsect1">
  99 <a name="gst-plugins-base-libs-gstriff.description"></a><h2>Description</h2>
 100 <p>
 101 A collection of functions to handle riff base files, such as avi, wav and
 102 asf.
 103 </p>
 104 </div>
 105 <div class="refsect1">
 106 <a name="gst-plugins-base-libs-gstriff.details"></a><h2>Details</h2>
 107 <div class="refsect2">
 108 <a name="gst-riff-create-audio-caps"></a><h3>gst_riff_create_audio_caps ()</h3>
 109 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_riff_create_audio_caps          (<em class="parameter"><code><span class="type">guint16</span> codec_id</code></em>,
 110                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> *strh</code></em>,
 111                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-auds"><span class="type">gst_riff_strf_auds</span></a> *strf</code></em>,
 112                                                          <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> *strf_data</code></em>,
 113                                                          <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> *strd_data</code></em>,
 114                                                          <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);</pre>
 115 </div>
 116 <hr>
 117 <div class="refsect2">
 118 <a name="gst-riff-create-audio-template-caps"></a><h3>gst_riff_create_audio_template_caps ()</h3>
 119 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_riff_create_audio_template_caps (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 120 </div>
 121 <hr>
 122 <div class="refsect2">
 123 <a name="gst-riff-create-iavs-caps"></a><h3>gst_riff_create_iavs_caps ()</h3>
 124 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_riff_create_iavs_caps           (<em class="parameter"><code><span class="type">guint32</span> codec_fcc</code></em>,
 125                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> *strh</code></em>,
 126                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-iavs"><span class="type">gst_riff_strf_iavs</span></a> *strf</code></em>,
 127                                                          <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> *strf_data</code></em>,
 128                                                          <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> *strd_data</code></em>,
 129                                                          <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);</pre>
 130 </div>
 131 <hr>
 132 <div class="refsect2">
 133 <a name="gst-riff-create-iavs-template-caps"></a><h3>gst_riff_create_iavs_template_caps ()</h3>
 134 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_riff_create_iavs_template_caps  (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 135 </div>
 136 <hr>
 137 <div class="refsect2">
 138 <a name="gst-riff-create-video-caps"></a><h3>gst_riff_create_video_caps ()</h3>
 139 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_riff_create_video_caps          (<em class="parameter"><code><span class="type">guint32</span> codec_fcc</code></em>,
 140                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> *strh</code></em>,
 141                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-vids"><span class="type">gst_riff_strf_vids</span></a> *strf</code></em>,
 142                                                          <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> *strf_data</code></em>,
 143                                                          <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> *strd_data</code></em>,
 144                                                          <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);</pre>
 145 <div class="variablelist"><table border="0">
 146 <col align="left" valign="top">
 147 <tbody>
 148 <tr>
 149 <td><p><span class="term"><em class="parameter"><code>codec_fcc</code></em> :</span></p></td>
 150 <td>fourCC codec for this codec.</td>
 151 </tr>
 152 <tr>
 153 <td><p><span class="term"><em class="parameter"><code>strh</code></em> :</span></p></td>
 154 <td>pointer to the strh stream header structure.</td>
 155 </tr>
 156 <tr>
 157 <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td>
 158 <td>pointer to the strf stream header structure, including any
 159 data that is within the range of strf.size, but excluding any
 160 additional data withint this chunk but outside strf.size.</td>
 161 </tr>
 162 <tr>
 163 <td><p><span class="term"><em class="parameter"><code>strf_data</code></em> :</span></p></td>
 164 <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 the additional data in the strf
 165 chunk outside reach of strf.size. Ususally a palette.</td>
 166 </tr>
 167 <tr>
 168 <td><p><span class="term"><em class="parameter"><code>strd_data</code></em> :</span></p></td>
 169 <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 the data in the strd stream header
 170 chunk. Usually codec initialization data.</td>
 171 </tr>
 172 <tr>
 173 <td><p><span class="term"><em class="parameter"><code>codec_name</code></em> :</span></p></td>
 174 <td>if given, will be filled with a human-readable codec name.</td>
 175 </tr>
 176 </tbody>
 177 </table></div>
 178 </div>
 179 <hr>
 180 <div class="refsect2">
 181 <a name="gst-riff-create-video-template-caps"></a><h3>gst_riff_create_video_template_caps ()</h3>
 182 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a> *           gst_riff_create_video_template_caps (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 183 </div>
 184 <hr>
 185 <div class="refsect2">
 186 <a name="gst-riff-init"></a><h3>gst_riff_init ()</h3>
 187 <pre class="programlisting"><span class="returnvalue">void</span>                gst_riff_init                       (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 188 <p>
 189 Initialize riff library.
 190 </p>
 191 </div>
 192 <hr>
 193 <div class="refsect2">
 194 <a name="gst-riff-parse-chunk"></a><h3>gst_riff_parse_chunk ()</h3>
 195 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_riff_parse_chunk                (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 196                                                          <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> *buf</code></em>,
 197                                                          <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>,
 198                                                          <em class="parameter"><code><span class="type">guint32</span> *fourcc</code></em>,
 199                                                          <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> **chunk_data</code></em>);</pre>
 200 <p>
 201 Reads a single chunk.
 202 </p>
 203 <div class="variablelist"><table border="0">
 204 <col align="left" valign="top">
 205 <tbody>
 206 <tr>
 207 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 208 <td>caller element (used for debugging).</td>
 209 </tr>
 210 <tr>
 211 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 212 <td>input buffer.</td>
 213 </tr>
 214 <tr>
 215 <td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
 216 <td>offset in the buffer in the caller. Is incremented
 217 by the read size by this function.</td>
 218 </tr>
 219 <tr>
 220 <td><p><span class="term"><em class="parameter"><code>fourcc</code></em> :</span></p></td>
 221 <td>fourcc (returned by this function0 of the chunk.</td>
 222 </tr>
 223 <tr>
 224 <td><p><span class="term"><em class="parameter"><code>chunk_data</code></em> :</span></p></td>
 225 <td>buffer (returned by the function) containing the
 226 chunk data, which may be NULL if chunksize == 0</td>
 227 </tr>
 228 <tr>
 229 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 230 <td>FALSE on error, TRUE otherwise</td>
 231 </tr>
 232 </tbody>
 233 </table></div>
 234 </div>
 235 <hr>
 236 <div class="refsect2">
 237 <a name="gst-riff-parse-file-header"></a><h3>gst_riff_parse_file_header ()</h3>
 238 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_riff_parse_file_header          (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 239                                                          <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> *buf</code></em>,
 240                                                          <em class="parameter"><code><span class="type">guint32</span> *doctype</code></em>);</pre>
 241 <p>
 242 Reads the first few bytes from the provided buffer, checks
 243 if this stream is a RIFF stream, and determines document type.
 244 This function takes ownership of <em class="parameter"><code>buf</code></em> so it should not be used anymore
 245 after calling this function.
 246 </p>
 247 <div class="variablelist"><table border="0">
 248 <col align="left" valign="top">
 249 <tbody>
 250 <tr>
 251 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 252 <td>caller element (used for debugging/error).</td>
 253 </tr>
 254 <tr>
 255 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 256 <td>input buffer from which the file header will be parsed,
 257 should be at least 12 bytes long.</td>
 258 </tr>
 259 <tr>
 260 <td><p><span class="term"><em class="parameter"><code>doctype</code></em> :</span></p></td>
 261 <td>a fourcc (returned by this function) to indicate the
 262 type of document (according to the header).</td>
 263 </tr>
 264 <tr>
 265 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 266 <td>FALSE if this is not a RIFF stream (in which case the
 267 caller should error out; we already throw an error), or TRUE
 268 if it is.</td>
 269 </tr>
 270 </tbody>
 271 </table></div>
 272 </div>
 273 <hr>
 274 <div class="refsect2">
 275 <a name="gst-riff-parse-info"></a><h3>gst_riff_parse_info ()</h3>
 276 <pre class="programlisting"><span class="returnvalue">void</span>                gst_riff_parse_info                 (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 277                                                          <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> *buf</code></em>,
 278                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstTagList.html#GstTagList"><span class="type">GstTagList</span></a> **taglist</code></em>);</pre>
 279 <p>
 280 Parses stream metadata from input data.
 281 </p>
 282 <div class="variablelist"><table border="0">
 283 <col align="left" valign="top">
 284 <tbody>
 285 <tr>
 286 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 287 <td>caller element (used for debugging/error).</td>
 288 </tr>
 289 <tr>
 290 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 291 <td>input data to be used for parsing, stripped from header.</td>
 292 </tr>
 293 <tr>
 294 <td><p><span class="term"><em class="parameter"><code>taglist</code></em> :</span></p></td>
 295 <td>a pointer to a taglist (returned by this function)
 296 containing information about this stream. May be
 297 NULL if no supported tags were found.</td>
 298 </tr>
 299 </tbody>
 300 </table></div>
 301 </div>
 302 <hr>
 303 <div class="refsect2">
 304 <a name="gst-riff-parse-strf-auds"></a><h3>gst_riff_parse_strf_auds ()</h3>
 305 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_riff_parse_strf_auds            (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 306                                                          <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> *buf</code></em>,
 307                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-auds"><span class="type">gst_riff_strf_auds</span></a> **strf</code></em>,
 308                                                          <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> **data</code></em>);</pre>
 309 <p>
 310 Parses an audio stream´s strf structure plus optionally some
 311 extradata from input data. This function takes ownership of <em class="parameter"><code>buf</code></em>.
 312 use.
 313 </p>
 314 <div class="variablelist"><table border="0">
 315 <col align="left" valign="top">
 316 <tbody>
 317 <tr>
 318 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 319 <td>caller element (used for debugging/error).</td>
 320 </tr>
 321 <tr>
 322 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 323 <td>input data to be used for parsing, stripped from header.</td>
 324 </tr>
 325 <tr>
 326 <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td>
 327 <td>a pointer (returned by this function) to a filled-in
 328 strf/auds structure. Caller should free it.</td>
 329 </tr>
 330 <tr>
 331 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 332 <td>a pointer (returned by this function) to a buffer
 333 containing extradata for this particular stream (e.g.
 334 codec initialization data).</td>
 335 </tr>
 336 <tr>
 337 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 338 <td>TRUE if parsing succeeded, otherwise FALSE. The stream
 339 should be skipped on error, but it is not fatal.</td>
 340 </tr>
 341 </tbody>
 342 </table></div>
 343 </div>
 344 <hr>
 345 <div class="refsect2">
 346 <a name="gst-riff-parse-strf-iavs"></a><h3>gst_riff_parse_strf_iavs ()</h3>
 347 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_riff_parse_strf_iavs            (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 348                                                          <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> *buf</code></em>,
 349                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-iavs"><span class="type">gst_riff_strf_iavs</span></a> **strf</code></em>,
 350                                                          <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> **data</code></em>);</pre>
 351 <p>
 352 Parses a interleaved (also known as "complex")  stream´s strf
 353 structure plus optionally some extradata from input data. This
 354 function takes ownership of <em class="parameter"><code>buf</code></em>.
 355 </p>
 356 <div class="variablelist"><table border="0">
 357 <col align="left" valign="top">
 358 <tbody>
 359 <tr>
 360 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 361 <td>caller element (used for debugging/error).</td>
 362 </tr>
 363 <tr>
 364 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 365 <td>input data to be used for parsing, stripped from header.</td>
 366 </tr>
 367 <tr>
 368 <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td>
 369 <td>a pointer (returned by this function) to a filled-in
 370 strf/iavs structure. Caller should free it.</td>
 371 </tr>
 372 <tr>
 373 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 374 <td>a pointer (returned by this function) to a buffer
 375 containing extradata for this particular stream (e.g.
 376 codec initialization data).</td>
 377 </tr>
 378 <tr>
 379 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 380 <td>TRUE if parsing succeeded, otherwise FALSE.</td>
 381 </tr>
 382 </tbody>
 383 </table></div>
 384 </div>
 385 <hr>
 386 <div class="refsect2">
 387 <a name="gst-riff-parse-strf-vids"></a><h3>gst_riff_parse_strf_vids ()</h3>
 388 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_riff_parse_strf_vids            (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 389                                                          <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> *buf</code></em>,
 390                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strf-vids"><span class="type">gst_riff_strf_vids</span></a> **strf</code></em>,
 391                                                          <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> **data</code></em>);</pre>
 392 <p>
 393 Parses a video stream´s strf structure plus optionally some
 394 extradata from input data. This function takes ownership of <em class="parameter"><code>buf</code></em>.
 395 </p>
 396 <div class="variablelist"><table border="0">
 397 <col align="left" valign="top">
 398 <tbody>
 399 <tr>
 400 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 401 <td>caller element (used for debugging/error).</td>
 402 </tr>
 403 <tr>
 404 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 405 <td>input data to be used for parsing, stripped from header.</td>
 406 </tr>
 407 <tr>
 408 <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td>
 409 <td>a pointer (returned by this function) to a filled-in
 410 strf/vids structure. Caller should free it.</td>
 411 </tr>
 412 <tr>
 413 <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
 414 <td>a pointer (returned by this function) to a buffer
 415 containing extradata for this particular stream (e.g.
 416 palette, codec initialization data).</td>
 417 </tr>
 418 <tr>
 419 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 420 <td>TRUE if parsing succeeded, otherwise FALSE. The stream
 421 should be skipped on error, but it is not fatal.</td>
 422 </tr>
 423 </tbody>
 424 </table></div>
 425 </div>
 426 <hr>
 427 <div class="refsect2">
 428 <a name="gst-riff-parse-strh"></a><h3>gst_riff_parse_strh ()</h3>
 429 <pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_riff_parse_strh                 (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 430                                                          <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> *buf</code></em>,
 431                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstriff.html#gst-riff-strh"><span class="type">gst_riff_strh</span></a> **strh</code></em>);</pre>
 432 <p>
 433 Parses a strh structure from input data. Takes ownership of <em class="parameter"><code>buf</code></em>.
 434 </p>
 435 <div class="variablelist"><table border="0">
 436 <col align="left" valign="top">
 437 <tbody>
 438 <tr>
 439 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 440 <td>caller element (used for debugging/error).</td>
 441 </tr>
 442 <tr>
 443 <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td>
 444 <td>input data to be used for parsing, stripped from header.</td>
 445 </tr>
 446 <tr>
 447 <td><p><span class="term"><em class="parameter"><code>strh</code></em> :</span></p></td>
 448 <td>a pointer (returned by this function) to a filled-in
 449 strh structure. Caller should free it.</td>
 450 </tr>
 451 <tr>
 452 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 453 <td>TRUE if parsing succeeded, otherwise FALSE. The stream
 454 should be skipped on error, but it is not fatal.</td>
 455 </tr>
 456 </tbody>
 457 </table></div>
 458 </div>
 459 <hr>
 460 <div class="refsect2">
 461 <a name="gst-riff-read-chunk"></a><h3>gst_riff_read_chunk ()</h3>
 462 <pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       gst_riff_read_chunk                 (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html"><span class="type">GstElement</span></a> *element</code></em>,
 463                                                          <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html"><span class="type">GstPad</span></a> *pad</code></em>,
 464                                                          <em class="parameter"><code><span class="type">guint64</span> *offset</code></em>,
 465                                                          <em class="parameter"><code><span class="type">guint32</span> *tag</code></em>,
 466                                                          <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> **chunk_data</code></em>);</pre>
 467 <p>
 468 Reads a single chunk of data. Since 0.10.8 'JUNK' chunks
 469 are skipped automatically.
 470 </p>
 471 <div class="variablelist"><table border="0">
 472 <col align="left" valign="top">
 473 <tbody>
 474 <tr>
 475 <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td>
 476 <td>caller element (used for debugging).</td>
 477 </tr>
 478 <tr>
 479 <td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td>
 480 <td>pad to pull data from.</td>
 481 </tr>
 482 <tr>
 483 <td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
 484 <td>offset to pull from, incremented by this function.</td>
 485 </tr>
 486 <tr>
 487 <td><p><span class="term"><em class="parameter"><code>tag</code></em> :</span></p></td>
 488 <td>fourcc of the chunk (returned by this function).</td>
 489 </tr>
 490 <tr>
 491 <td><p><span class="term"><em class="parameter"><code>chunk_data</code></em> :</span></p></td>
 492 <td>buffer (returned by this function).</td>
 493 </tr>
 494 <tr>
 495 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 496 <td>flow status.</td>
 497 </tr>
 498 </tbody>
 499 </table></div>
 500 </div>
 501 </div>
 502 </div>
 503 <div class="footer">
 504 <hr>
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