| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>gstriff</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> |
| <link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual"> |
| <link rel="up" href="gstreamer-riff.html" title="Riff Media Library"> |
| <link rel="prev" href="gstreamer-riff.html" title="Riff Media Library"> |
| <link rel="next" href="gstreamer-rtp.html" title="RTP Library"> |
| <meta name="generator" content="GTK-Doc V1.19 (XML mode)"> |
| <link rel="stylesheet" href="style.css" type="text/css"> |
| </head> |
| <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
| <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> |
| <tr valign="middle"> |
| <td><a accesskey="p" href="gstreamer-riff.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> |
| <td><a accesskey="u" href="gstreamer-riff.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> |
| <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> |
| <th width="100%" align="center">GStreamer Base Plugins 1.0 Library Reference Manual</th> |
| <td><a accesskey="n" href="gstreamer-rtp.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> |
| </tr> |
| <tr><td colspan="5" class="shortcuts"> |
| <a href="#gst-plugins-base-libs-gstriff.synopsis" class="shortcut">Top</a> |
| | |
| <a href="#gst-plugins-base-libs-gstriff.description" class="shortcut">Description</a> |
| </td></tr> |
| </table> |
| <div class="refentry"> |
| <a name="gst-plugins-base-libs-gstriff"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstriff.top_of_page"></a>gstriff</span></h2> |
| <p>gstriff — Riff fileformat utillity functions.</p> |
| </td> |
| <td valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsynopsisdiv"> |
| <a name="gst-plugins-base-libs-gstriff.synopsis"></a><h2>Synopsis</h2> |
| <pre class="synopsis"> |
| #include <gst/riff/riff-media.h> |
| |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> *strh</code></em>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_auds</span> *strf</code></em>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>, |
| <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> channel_reorder_map[18]</code></em>); |
| <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>); |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> *strh</code></em>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_iavs</span> *strf</code></em>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>); |
| <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>); |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> *strh</code></em>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_vids</span> *strf</code></em>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>); |
| <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>); |
| <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>); |
| <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>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">guint32</span> *fourcc</code></em>, |
| <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>); |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">guint32</span> *doctype</code></em>); |
| <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>, |
| <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>, |
| <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>); |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_auds</span> **strf</code></em>, |
| <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>); |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_iavs</span> **strf</code></em>, |
| <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>); |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_vids</span> **strf</code></em>, |
| <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>); |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> **strh</code></em>); |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">guint64</span> *offset</code></em>, |
| <em class="parameter"><code><span class="type">guint32</span> *tag</code></em>, |
| <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> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstriff.description"></a><h2>Description</h2> |
| <p> |
| A collection of functions to handle riff base files, such as avi, wav and |
| asf. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstriff.details"></a><h2>Details</h2> |
| <div class="refsect2"> |
| <a name="gst-riff-create-audio-caps"></a><h3>gst_riff_create_audio_caps ()</h3> |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> *strh</code></em>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_auds</span> *strf</code></em>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>, |
| <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> channel_reorder_map[18]</code></em>);</pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-create-audio-template-caps"></a><h3>gst_riff_create_audio_template_caps ()</h3> |
| <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> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-create-iavs-caps"></a><h3>gst_riff_create_iavs_caps ()</h3> |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> *strh</code></em>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_iavs</span> *strf</code></em>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);</pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-create-iavs-template-caps"></a><h3>gst_riff_create_iavs_template_caps ()</h3> |
| <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> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-create-video-caps"></a><h3>gst_riff_create_video_caps ()</h3> |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> *strh</code></em>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_vids</span> *strf</code></em>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">char</span> **codec_name</code></em>);</pre> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>codec_fcc</code></em> :</span></p></td> |
| <td>fourCC codec for this codec.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strh</code></em> :</span></p></td> |
| <td>pointer to the strh stream header structure.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td> |
| <td>pointer to the strf stream header structure, including any |
| data that is within the range of strf.size, but excluding any |
| additional data withint this chunk but outside strf.size.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strf_data</code></em> :</span></p></td> |
| <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 |
| chunk outside reach of strf.size. Ususally a palette.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strd_data</code></em> :</span></p></td> |
| <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 |
| chunk. Usually codec initialization data.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>codec_name</code></em> :</span></p></td> |
| <td>if given, will be filled with a human-readable codec name.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-create-video-template-caps"></a><h3>gst_riff_create_video_template_caps ()</h3> |
| <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> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-init"></a><h3>gst_riff_init ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> gst_riff_init (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> |
| <p> |
| Initialize riff library. |
| </p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-chunk"></a><h3>gst_riff_parse_chunk ()</h3> |
| <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>, |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">guint32</span> *fourcc</code></em>, |
| <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> |
| <p> |
| Reads a single chunk. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input buffer.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td> |
| <td>offset in the buffer in the caller. Is incremented |
| by the read size by this function.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>fourcc</code></em> :</span></p></td> |
| <td>fourcc (returned by this function0 of the chunk.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>chunk_data</code></em> :</span></p></td> |
| <td>buffer (returned by the function) containing the |
| chunk data, which may be NULL if chunksize == 0</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>FALSE on error, TRUE otherwise</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-file-header"></a><h3>gst_riff_parse_file_header ()</h3> |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">guint32</span> *doctype</code></em>);</pre> |
| <p> |
| Reads the first few bytes from the provided buffer, checks |
| if this stream is a RIFF stream, and determines document type. |
| This function takes ownership of <em class="parameter"><code>buf</code></em> so it should not be used anymore |
| after calling this function. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging/error).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input buffer from which the file header will be parsed, |
| should be at least 12 bytes long.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>doctype</code></em> :</span></p></td> |
| <td>a fourcc (returned by this function) to indicate the |
| type of document (according to the header).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>FALSE if this is not a RIFF stream (in which case the |
| caller should error out; we already throw an error), or TRUE |
| if it is.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-info"></a><h3>gst_riff_parse_info ()</h3> |
| <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>, |
| <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>, |
| <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> |
| <p> |
| Parses stream metadata from input data. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging/error).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input data to be used for parsing, stripped from header.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>taglist</code></em> :</span></p></td> |
| <td>a pointer to a taglist (returned by this function) |
| containing information about this stream. May be |
| NULL if no supported tags were found.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-strf-auds"></a><h3>gst_riff_parse_strf_auds ()</h3> |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_auds</span> **strf</code></em>, |
| <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> |
| <p> |
| Parses an audio stream´s strf structure plus optionally some |
| extradata from input data. This function takes ownership of <em class="parameter"><code>buf</code></em>. |
| use. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging/error).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input data to be used for parsing, stripped from header.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a filled-in |
| strf/auds structure. Caller should free it.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a buffer |
| containing extradata for this particular stream (e.g. |
| codec initialization data).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>TRUE if parsing succeeded, otherwise FALSE. The stream |
| should be skipped on error, but it is not fatal.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-strf-iavs"></a><h3>gst_riff_parse_strf_iavs ()</h3> |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_iavs</span> **strf</code></em>, |
| <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> |
| <p> |
| Parses a interleaved (also known as "complex") stream´s strf |
| structure plus optionally some extradata from input data. This |
| function takes ownership of <em class="parameter"><code>buf</code></em>. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging/error).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input data to be used for parsing, stripped from header.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a filled-in |
| strf/iavs structure. Caller should free it.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a buffer |
| containing extradata for this particular stream (e.g. |
| codec initialization data).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>TRUE if parsing succeeded, otherwise FALSE.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-strf-vids"></a><h3>gst_riff_parse_strf_vids ()</h3> |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strf_vids</span> **strf</code></em>, |
| <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> |
| <p> |
| Parses a video stream´s strf structure plus optionally some |
| extradata from input data. This function takes ownership of <em class="parameter"><code>buf</code></em>. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging/error).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input data to be used for parsing, stripped from header.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strf</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a filled-in |
| strf/vids structure. Caller should free it.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a buffer |
| containing extradata for this particular stream (e.g. |
| palette, codec initialization data).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>TRUE if parsing succeeded, otherwise FALSE. The stream |
| should be skipped on error, but it is not fatal.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-parse-strh"></a><h3>gst_riff_parse_strh ()</h3> |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">gst_riff_strh</span> **strh</code></em>);</pre> |
| <p> |
| Parses a strh structure from input data. Takes ownership of <em class="parameter"><code>buf</code></em>. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging/error).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>buf</code></em> :</span></p></td> |
| <td>input data to be used for parsing, stripped from header.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>strh</code></em> :</span></p></td> |
| <td>a pointer (returned by this function) to a filled-in |
| strh structure. Caller should free it.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>TRUE if parsing succeeded, otherwise FALSE. The stream |
| should be skipped on error, but it is not fatal.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-riff-read-chunk"></a><h3>gst_riff_read_chunk ()</h3> |
| <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>, |
| <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>, |
| <em class="parameter"><code><span class="type">guint64</span> *offset</code></em>, |
| <em class="parameter"><code><span class="type">guint32</span> *tag</code></em>, |
| <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> |
| <p> |
| Reads a single chunk of data. 'JUNK' chunks are skipped |
| automatically. |
| </p> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>element</code></em> :</span></p></td> |
| <td>caller element (used for debugging).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>pad</code></em> :</span></p></td> |
| <td>pad to pull data from.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td> |
| <td>offset to pull from, incremented by this function.</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>tag</code></em> :</span></p></td> |
| <td>fourcc of the chunk (returned by this function).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><em class="parameter"><code>chunk_data</code></em> :</span></p></td> |
| <td>buffer (returned by this function).</td> |
| </tr> |
| <tr> |
| <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> |
| <td>flow status.</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr> |
| Generated by GTK-Doc V1.19</div> |
| </body> |
| </html> |
