| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>GstUtils: GStreamer 1.0 Core Reference Manual</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> |
| <link rel="home" href="index.html" title="GStreamer 1.0 Core Reference Manual"> |
| <link rel="up" href="libgstreamer.html" title="GStreamer Core Library"> |
| <link rel="prev" href="gstreamer-GstUriHandler.html" title="GstUriHandler"> |
| <link rel="next" href="gstreamer-GstValue.html" title="GstValue"> |
| <meta name="generator" content="GTK-Doc V1.24 (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="5"><tr valign="middle"> |
| <td width="100%" align="left" class="shortcuts"> |
| <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> |
| <a href="#gstreamer-GstUtils.description" class="shortcut">Description</a></span> |
| </td> |
| <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> |
| <td><a accesskey="u" href="libgstreamer.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> |
| <td><a accesskey="p" href="gstreamer-GstUriHandler.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> |
| <td><a accesskey="n" href="gstreamer-GstValue.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> |
| </tr></table> |
| <div class="refentry"> |
| <a name="gstreamer-GstUtils"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gstreamer-GstUtils.top_of_page"></a>GstUtils</span></h2> |
| <p>GstUtils — Various utility functions</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstUtils.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-CALL-PARENT:CAPS" title="GST_CALL_PARENT()">GST_CALL_PARENT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-CALL-PARENT-WITH-DEFAULT:CAPS" title="GST_CALL_PARENT_WITH_DEFAULT()">GST_CALL_PARENT_WITH_DEFAULT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT8:CAPS" title="GST_READ_UINT8()">GST_READ_UINT8</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT16-LE:CAPS" title="GST_READ_UINT16_LE()">GST_READ_UINT16_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT16-BE:CAPS" title="GST_READ_UINT16_BE()">GST_READ_UINT16_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT24-LE:CAPS" title="GST_READ_UINT24_LE()">GST_READ_UINT24_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT24-BE:CAPS" title="GST_READ_UINT24_BE()">GST_READ_UINT24_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT32-LE:CAPS" title="GST_READ_UINT32_LE()">GST_READ_UINT32_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT32-BE:CAPS" title="GST_READ_UINT32_BE()">GST_READ_UINT32_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT64-LE:CAPS" title="GST_READ_UINT64_LE()">GST_READ_UINT64_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-UINT64-BE:CAPS" title="GST_READ_UINT64_BE()">GST_READ_UINT64_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-FLOAT-LE:CAPS" title="GST_READ_FLOAT_LE ()">GST_READ_FLOAT_LE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-FLOAT-BE:CAPS" title="GST_READ_FLOAT_BE ()">GST_READ_FLOAT_BE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-DOUBLE-LE:CAPS" title="GST_READ_DOUBLE_LE ()">GST_READ_DOUBLE_LE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-READ-DOUBLE-BE:CAPS" title="GST_READ_DOUBLE_BE ()">GST_READ_DOUBLE_BE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT8:CAPS" title="GST_WRITE_UINT8()">GST_WRITE_UINT8</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT16-LE:CAPS" title="GST_WRITE_UINT16_LE()">GST_WRITE_UINT16_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT16-BE:CAPS" title="GST_WRITE_UINT16_BE()">GST_WRITE_UINT16_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT24-LE:CAPS" title="GST_WRITE_UINT24_LE()">GST_WRITE_UINT24_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT24-BE:CAPS" title="GST_WRITE_UINT24_BE()">GST_WRITE_UINT24_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT32-LE:CAPS" title="GST_WRITE_UINT32_LE()">GST_WRITE_UINT32_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT32-BE:CAPS" title="GST_WRITE_UINT32_BE()">GST_WRITE_UINT32_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT64-LE:CAPS" title="GST_WRITE_UINT64_LE()">GST_WRITE_UINT64_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-UINT64-BE:CAPS" title="GST_WRITE_UINT64_BE()">GST_WRITE_UINT64_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-FLOAT-LE:CAPS" title="GST_WRITE_FLOAT_LE ()">GST_WRITE_FLOAT_LE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-FLOAT-BE:CAPS" title="GST_WRITE_FLOAT_BE ()">GST_WRITE_FLOAT_BE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-DOUBLE-LE:CAPS" title="GST_WRITE_DOUBLE_LE ()">GST_WRITE_DOUBLE_LE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-WRITE-DOUBLE-BE:CAPS" title="GST_WRITE_DOUBLE_BE ()">GST_WRITE_DOUBLE_BE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-2:CAPS" title="GST_ROUND_UP_2()">GST_ROUND_UP_2</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-4:CAPS" title="GST_ROUND_UP_4()">GST_ROUND_UP_4</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-8:CAPS" title="GST_ROUND_UP_8()">GST_ROUND_UP_8</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-16:CAPS" title="GST_ROUND_UP_16()">GST_ROUND_UP_16</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-32:CAPS" title="GST_ROUND_UP_32()">GST_ROUND_UP_32</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-64:CAPS" title="GST_ROUND_UP_64()">GST_ROUND_UP_64</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-128:CAPS" title="GST_ROUND_UP_128()">GST_ROUND_UP_128</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-UP-N:CAPS" title="GST_ROUND_UP_N()">GST_ROUND_UP_N</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-2:CAPS" title="GST_ROUND_DOWN_2()">GST_ROUND_DOWN_2</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-4:CAPS" title="GST_ROUND_DOWN_4()">GST_ROUND_DOWN_4</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-8:CAPS" title="GST_ROUND_DOWN_8()">GST_ROUND_DOWN_8</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-16:CAPS" title="GST_ROUND_DOWN_16()">GST_ROUND_DOWN_16</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-32:CAPS" title="GST_ROUND_DOWN_32()">GST_ROUND_DOWN_32</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-64:CAPS" title="GST_ROUND_DOWN_64()">GST_ROUND_DOWN_64</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-128:CAPS" title="GST_ROUND_DOWN_128()">GST_ROUND_DOWN_128</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GST-ROUND-DOWN-N:CAPS" title="GST_ROUND_DOWN_N()">GST_ROUND_DOWN_N</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GDOUBLE-FROM-BE:CAPS" title="GDOUBLE_FROM_BE()">GDOUBLE_FROM_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GDOUBLE-FROM-LE:CAPS" title="GDOUBLE_FROM_LE()">GDOUBLE_FROM_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GDOUBLE-SWAP-LE-BE:CAPS" title="GDOUBLE_SWAP_LE_BE ()">GDOUBLE_SWAP_LE_BE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GDOUBLE-TO-BE:CAPS" title="GDOUBLE_TO_BE()">GDOUBLE_TO_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GDOUBLE-TO-LE:CAPS" title="GDOUBLE_TO_LE()">GDOUBLE_TO_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GFLOAT-FROM-BE:CAPS" title="GFLOAT_FROM_BE()">GFLOAT_FROM_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GFLOAT-FROM-LE:CAPS" title="GFLOAT_FROM_LE()">GFLOAT_FROM_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GFLOAT-SWAP-LE-BE:CAPS" title="GFLOAT_SWAP_LE_BE ()">GFLOAT_SWAP_LE_BE</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GFLOAT-TO-BE:CAPS" title="GFLOAT_TO_BE()">GFLOAT_TO_BE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#GFLOAT-TO-LE:CAPS" title="GFLOAT_TO_LE()">GFLOAT_TO_LE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-guint64-to-gdouble" title="gst_guint64_to_gdouble()">gst_guint64_to_gdouble</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-gdouble-to-guint64" title="gst_gdouble_to_guint64()">gst_gdouble_to_guint64</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-dump-mem" title="gst_util_dump_mem ()">gst_util_dump_mem</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale" title="gst_util_uint64_scale ()">gst_util_uint64_scale</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-round" title="gst_util_uint64_scale_round ()">gst_util_uint64_scale_round</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-ceil" title="gst_util_uint64_scale_ceil ()">gst_util_uint64_scale_ceil</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int" title="gst_util_uint64_scale_int ()">gst_util_uint64_scale_int</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-round" title="gst_util_uint64_scale_int_round ()">gst_util_uint64_scale_int_round</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-ceil" title="gst_util_uint64_scale_int_ceil ()">gst_util_uint64_scale_int_ceil</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-greatest-common-divisor" title="gst_util_greatest_common_divisor ()">gst_util_greatest_common_divisor</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">gint64</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-greatest-common-divisor-int64" title="gst_util_greatest_common_divisor_int64 ()">gst_util_greatest_common_divisor_int64</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-fraction-to-double" title="gst_util_fraction_to_double ()">gst_util_fraction_to_double</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-double-to-fraction" title="gst_util_double_to_fraction ()">gst_util_double_to_fraction</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-fraction-multiply" title="gst_util_fraction_multiply ()">gst_util_fraction_multiply</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-fraction-add" title="gst_util_fraction_add ()">gst_util_fraction_add</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-fraction-compare" title="gst_util_fraction_compare ()">gst_util_fraction_compare</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">guint32</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-seqnum-next" title="gst_util_seqnum_next ()">gst_util_seqnum_next</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">gint32</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-seqnum-compare" title="gst_util_seqnum_compare ()">gst_util_seqnum_compare</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-group-id-next" title="gst_util_group_id_next ()">gst_util_group_id_next</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-set-object-arg" title="gst_util_set_object_arg ()">gst_util_set_object_arg</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-set-value-from-string" title="gst_util_set_value_from_string ()">gst_util_set_value_from_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="returnvalue">GstClockTime</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-get-timestamp" title="gst_util_get_timestamp ()">gst_util_get_timestamp</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-array-binary-search" title="gst_util_array_binary_search ()">gst_util_array_binary_search</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstUtils.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody><tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gstreamer-GstUtils.html#GstSearchMode" title="enum GstSearchMode">GstSearchMode</a></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstUtils.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/gst.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstUtils.description"></a><h2>Description</h2> |
| </div> |
| <div class="refsect1"> |
| <a name="gstreamer-GstUtils.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="GST-CALL-PARENT:CAPS"></a><h3>GST_CALL_PARENT()</h3> |
| <pre class="programlisting">#define GST_CALL_PARENT(parent_class_cast, name, args)</pre> |
| <p>Just call the parent handler. This assumes that there is a variable |
| named parent_class that points to the (duh!) parent class. Note that |
| this macro is not to be used with things that return something, use |
| the _WITH_DEFAULT version for that</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.2.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>parent_class_cast</p></td> |
| <td class="parameter_description"><p>the name of the class cast macro for the parent type</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>name</p></td> |
| <td class="parameter_description"><p>name of the function to call</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>args</p></td> |
| <td class="parameter_description"><p>arguments enclosed in '( )'</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CALL-PARENT-WITH-DEFAULT:CAPS"></a><h3>GST_CALL_PARENT_WITH_DEFAULT()</h3> |
| <pre class="programlisting">#define GST_CALL_PARENT_WITH_DEFAULT(parent_class_cast, name, args, def_return)</pre> |
| <p>Same as <a class="link" href="gstreamer-GstUtils.html#GST-CALL-PARENT:CAPS" title="GST_CALL_PARENT()"><code class="function">GST_CALL_PARENT()</code></a>, but in case there is no implementation, it |
| evaluates to <em class="parameter"><code>def_return</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.3.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>parent_class_cast</p></td> |
| <td class="parameter_description"><p>the name of the class cast macro for the parent type</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>name</p></td> |
| <td class="parameter_description"><p>name of the function to call</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>args</p></td> |
| <td class="parameter_description"><p>arguments enclosed in '( )'</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>def_return</p></td> |
| <td class="parameter_description"><p>default result</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT8:CAPS"></a><h3>GST_READ_UINT8()</h3> |
| <pre class="programlisting">#define GST_READ_UINT8(data) (_GST_GET (data, 0, 8, 0)) |
| </pre> |
| <p>Read an 8 bit unsigned integer value from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.4.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT16-LE:CAPS"></a><h3>GST_READ_UINT16_LE()</h3> |
| <pre class="programlisting"># define GST_READ_UINT16_LE(data) _GST_FAST_READ_SWAP (16, data) |
| </pre> |
| <p>Read a 16 bit unsigned integer value in little endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.5.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT16-BE:CAPS"></a><h3>GST_READ_UINT16_BE()</h3> |
| <pre class="programlisting"># define GST_READ_UINT16_BE(data) _GST_FAST_READ (16, data) |
| </pre> |
| <p>Read a 16 bit unsigned integer value in big endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.6.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT24-LE:CAPS"></a><h3>GST_READ_UINT24_LE()</h3> |
| <pre class="programlisting">#define GST_READ_UINT24_LE(data) __gst_slow_read24_le((const guint8 *)(data)) |
| </pre> |
| <p>Read a 24 bit unsigned integer value in little endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.7.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT24-BE:CAPS"></a><h3>GST_READ_UINT24_BE()</h3> |
| <pre class="programlisting">#define GST_READ_UINT24_BE(data) __gst_slow_read24_be((const guint8 *)(data)) |
| </pre> |
| <p>Read a 24 bit unsigned integer value in big endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.8.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT32-LE:CAPS"></a><h3>GST_READ_UINT32_LE()</h3> |
| <pre class="programlisting"># define GST_READ_UINT32_LE(data) _GST_FAST_READ_SWAP (32, data) |
| </pre> |
| <p>Read a 32 bit unsigned integer value in little endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.9.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT32-BE:CAPS"></a><h3>GST_READ_UINT32_BE()</h3> |
| <pre class="programlisting"># define GST_READ_UINT32_BE(data) _GST_FAST_READ (32, data) |
| </pre> |
| <p>Read a 32 bit unsigned integer value in big endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.10.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT64-LE:CAPS"></a><h3>GST_READ_UINT64_LE()</h3> |
| <pre class="programlisting"># define GST_READ_UINT64_LE(data) _GST_FAST_READ_SWAP (64, data) |
| </pre> |
| <p>Read a 64 bit unsigned integer value in little endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.11.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-UINT64-BE:CAPS"></a><h3>GST_READ_UINT64_BE()</h3> |
| <pre class="programlisting"># define GST_READ_UINT64_BE(data) _GST_FAST_READ (64, data) |
| </pre> |
| <p>Read a 64 bit unsigned integer value in big endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.12.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-FLOAT-LE:CAPS"></a><h3>GST_READ_FLOAT_LE ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a> |
| GST_READ_FLOAT_LE (<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>);</pre> |
| <p>Read a 32 bit float value in little endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.13.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.13.6"></a><h4>Returns</h4> |
| <p> The floating point value read from <em class="parameter"><code>data</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-FLOAT-BE:CAPS"></a><h3>GST_READ_FLOAT_BE ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a> |
| GST_READ_FLOAT_BE (<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>);</pre> |
| <p>Read a 32 bit float value in big endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.14.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.14.6"></a><h4>Returns</h4> |
| <p> The floating point value read from <em class="parameter"><code>data</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-DOUBLE-LE:CAPS"></a><h3>GST_READ_DOUBLE_LE ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> |
| GST_READ_DOUBLE_LE (<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>);</pre> |
| <p>Read a 64 bit double value in little endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.15.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.15.6"></a><h4>Returns</h4> |
| <p> The double-precision floating point value read from <em class="parameter"><code>data</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-READ-DOUBLE-BE:CAPS"></a><h3>GST_READ_DOUBLE_BE ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> |
| GST_READ_DOUBLE_BE (<em class="parameter"><code>const <span class="type">guint8</span> *data</code></em>);</pre> |
| <p>Read a 64 bit double value in big endian format from the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.16.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.16.6"></a><h4>Returns</h4> |
| <p> The double-precision floating point value read from <em class="parameter"><code>data</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT8:CAPS"></a><h3>GST_WRITE_UINT8()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT8(data, num)</pre> |
| <p>Store an 8 bit unsigned integer value into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.17.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT16-LE:CAPS"></a><h3>GST_WRITE_UINT16_LE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT16_LE(data, num)</pre> |
| <p>Store a 16 bit unsigned integer value in little endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.18.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT16-BE:CAPS"></a><h3>GST_WRITE_UINT16_BE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT16_BE(data, num)</pre> |
| <p>Store a 16 bit unsigned integer value in big endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.19.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT24-LE:CAPS"></a><h3>GST_WRITE_UINT24_LE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT24_LE(data, num)</pre> |
| <p>Store a 24 bit unsigned integer value in little endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.20.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT24-BE:CAPS"></a><h3>GST_WRITE_UINT24_BE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT24_BE(data, num)</pre> |
| <p>Store a 24 bit unsigned integer value in big endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.21.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT32-LE:CAPS"></a><h3>GST_WRITE_UINT32_LE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT32_LE(data, num)</pre> |
| <p>Store a 32 bit unsigned integer value in little endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.22.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT32-BE:CAPS"></a><h3>GST_WRITE_UINT32_BE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT32_BE(data, num)</pre> |
| <p>Store a 32 bit unsigned integer value in big endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.23.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT64-LE:CAPS"></a><h3>GST_WRITE_UINT64_LE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT64_LE(data, num)</pre> |
| <p>Store a 64 bit unsigned integer value in little endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.24.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-UINT64-BE:CAPS"></a><h3>GST_WRITE_UINT64_BE()</h3> |
| <pre class="programlisting">#define GST_WRITE_UINT64_BE(data, num)</pre> |
| <p>Store a 64 bit unsigned integer value in big endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.25.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-FLOAT-LE:CAPS"></a><h3>GST_WRITE_FLOAT_LE ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| GST_WRITE_FLOAT_LE (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> num</code></em>);</pre> |
| <p>Store a 32 bit float value in little endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.26.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-FLOAT-BE:CAPS"></a><h3>GST_WRITE_FLOAT_BE ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| GST_WRITE_FLOAT_BE (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> num</code></em>);</pre> |
| <p>Store a 32 bit float value in big endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.27.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-DOUBLE-LE:CAPS"></a><h3>GST_WRITE_DOUBLE_LE ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| GST_WRITE_DOUBLE_LE (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> num</code></em>);</pre> |
| <p>Store a 64 bit double value in little endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.28.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-WRITE-DOUBLE-BE:CAPS"></a><h3>GST_WRITE_DOUBLE_BE ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| GST_WRITE_DOUBLE_BE (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> num</code></em>);</pre> |
| <p>Store a 64 bit double value in big endian format into the memory buffer.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.29.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p>memory location</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>value to store</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-2:CAPS"></a><h3>GST_ROUND_UP_2()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_2(num) (((num)+1)&~1) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 2.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.30.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-4:CAPS"></a><h3>GST_ROUND_UP_4()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_4(num) (((num)+3)&~3) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 4.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.31.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-8:CAPS"></a><h3>GST_ROUND_UP_8()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_8(num) (((num)+7)&~7) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 8.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.32.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-16:CAPS"></a><h3>GST_ROUND_UP_16()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_16(num) (((num)+15)&~15) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 16.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.33.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-32:CAPS"></a><h3>GST_ROUND_UP_32()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_32(num) (((num)+31)&~31) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 32.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.34.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-64:CAPS"></a><h3>GST_ROUND_UP_64()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_64(num) (((num)+63)&~63) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 64.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.35.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-128:CAPS"></a><h3>GST_ROUND_UP_128()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_128(num) (((num)+127)&~127) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of 128.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.36.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-UP-N:CAPS"></a><h3>GST_ROUND_UP_N()</h3> |
| <pre class="programlisting">#define GST_ROUND_UP_N(num,align) ((((num) + ((align) - 1)) & ~((align) - 1))) |
| </pre> |
| <p>Rounds an integer value up to the next multiple of <em class="parameter"><code>align</code></em> |
| . <em class="parameter"><code>align</code></em> |
| MUST be a |
| power of two.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.37.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integrer value to round up</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>align</p></td> |
| <td class="parameter_description"><p>a power of two to round up to</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-2:CAPS"></a><h3>GST_ROUND_DOWN_2()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_2(num) ((num)&(~1)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 2.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.38.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-4:CAPS"></a><h3>GST_ROUND_DOWN_4()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_4(num) ((num)&(~3)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 4.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.39.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-8:CAPS"></a><h3>GST_ROUND_DOWN_8()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_8(num) ((num)&(~7)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 8.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.40.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-16:CAPS"></a><h3>GST_ROUND_DOWN_16()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_16(num) ((num)&(~15)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 16.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.41.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-32:CAPS"></a><h3>GST_ROUND_DOWN_32()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_32(num) ((num)&(~31)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 32.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.42.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-64:CAPS"></a><h3>GST_ROUND_DOWN_64()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_64(num) ((num)&(~63)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 64.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.43.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-128:CAPS"></a><h3>GST_ROUND_DOWN_128()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_128(num) ((num)&(~127)) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of 128.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.44.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix04.html#api-index-1.4">1.4</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-ROUND-DOWN-N:CAPS"></a><h3>GST_ROUND_DOWN_N()</h3> |
| <pre class="programlisting">#define GST_ROUND_DOWN_N(num,align) (((num) & ~((align) - 1))) |
| </pre> |
| <p>Rounds an integer value down to the next multiple of <em class="parameter"><code>align</code></em> |
| . <em class="parameter"><code>align</code></em> |
| MUST be a |
| power of two.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.45.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>integrer value to round down</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>align</p></td> |
| <td class="parameter_description"><p>a power of two to round down to</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GDOUBLE-FROM-BE:CAPS"></a><h3>GDOUBLE_FROM_BE()</h3> |
| <pre class="programlisting">#define GDOUBLE_FROM_BE(val) (GDOUBLE_TO_BE (val)) |
| </pre> |
| <p>Convert 64-bit floating point value (double) from big endian byte order |
| into native byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.46.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GDOUBLE-FROM-LE:CAPS"></a><h3>GDOUBLE_FROM_LE()</h3> |
| <pre class="programlisting">#define GDOUBLE_FROM_LE(val) (GDOUBLE_TO_LE (val)) |
| </pre> |
| <p>Convert 64-bit floating point value (double) from little endian byte order |
| into native byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.47.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GDOUBLE-SWAP-LE-BE:CAPS"></a><h3>GDOUBLE_SWAP_LE_BE ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a> |
| GDOUBLE_SWAP_LE_BE (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> in</code></em>);</pre> |
| <p>Swap byte order of a 64-bit floating point value (double).</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.48.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>in</p></td> |
| <td class="parameter_description"><p>input value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.48.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>in</code></em> |
| byte-swapped.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GDOUBLE-TO-BE:CAPS"></a><h3>GDOUBLE_TO_BE()</h3> |
| <pre class="programlisting">#define GDOUBLE_TO_BE(val) (GDOUBLE_SWAP_LE_BE (val)) |
| </pre> |
| <p>Convert 64-bit floating point value (double) from native byte order into |
| big endian byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.49.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GDOUBLE-TO-LE:CAPS"></a><h3>GDOUBLE_TO_LE()</h3> |
| <pre class="programlisting">#define GDOUBLE_TO_LE(val) ((gdouble) (val)) |
| </pre> |
| <p>Convert 64-bit floating point value (double) from native byte order into |
| little endian byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.50.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GFLOAT-FROM-BE:CAPS"></a><h3>GFLOAT_FROM_BE()</h3> |
| <pre class="programlisting">#define GFLOAT_FROM_BE(val) (GFLOAT_TO_BE (val)) |
| </pre> |
| <p>Convert 32-bit floating point value (float) from big endian byte order |
| into native byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.51.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GFLOAT-FROM-LE:CAPS"></a><h3>GFLOAT_FROM_LE()</h3> |
| <pre class="programlisting">#define GFLOAT_FROM_LE(val) (GFLOAT_TO_LE (val)) |
| </pre> |
| <p>Convert 32-bit floating point value (float) from little endian byte order |
| into native byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.52.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GFLOAT-SWAP-LE-BE:CAPS"></a><h3>GFLOAT_SWAP_LE_BE ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a> |
| GFLOAT_SWAP_LE_BE (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> in</code></em>);</pre> |
| <p>Swap byte order of a 32-bit floating point value (float).</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.53.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>in</p></td> |
| <td class="parameter_description"><p>input value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.53.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>in</code></em> |
| byte-swapped.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GFLOAT-TO-BE:CAPS"></a><h3>GFLOAT_TO_BE()</h3> |
| <pre class="programlisting">#define GFLOAT_TO_BE(val) (GFLOAT_SWAP_LE_BE (val)) |
| </pre> |
| <p>Convert 32-bit floating point value (float) from native byte order into |
| big endian byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.54.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GFLOAT-TO-LE:CAPS"></a><h3>GFLOAT_TO_LE()</h3> |
| <pre class="programlisting">#define GFLOAT_TO_LE(val) ((gfloat) (val)) |
| </pre> |
| <p>Convert 32-bit floating point value (float) from native byte order into |
| little endian byte order.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.55.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-guint64-to-gdouble"></a><h3>gst_guint64_to_gdouble()</h3> |
| <pre class="programlisting">#define gst_guint64_to_gdouble(value) gst_util_guint64_to_gdouble(value) |
| </pre> |
| <p>Convert <em class="parameter"><code>value</code></em> |
| to a gdouble.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.56.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>the <span class="type">guint64</span> value to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.56.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>value</code></em> |
| converted to a <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-gdouble-to-guint64"></a><h3>gst_gdouble_to_guint64()</h3> |
| <pre class="programlisting">#define gst_gdouble_to_guint64(value) gst_util_gdouble_to_guint64(value) |
| </pre> |
| <p>Convert <em class="parameter"><code>value</code></em> |
| to a guint64.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.57.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>the <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> value to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.57.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>value</code></em> |
| converted to a <span class="type">guint64</span>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-dump-mem"></a><h3>gst_util_dump_mem ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_util_dump_mem (<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guchar"><span class="type">guchar</span></a> *mem</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre> |
| <p>Dumps the memory block into a hex representation. Useful for debugging.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.58.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>mem</p></td> |
| <td class="parameter_description"><p>a pointer to the memory to dump</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>size</p></td> |
| <td class="parameter_description"><p>the size of the memory block to dump</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-uint64-scale"></a><h3>gst_util_uint64_scale ()</h3> |
| <pre class="programlisting"><span class="returnvalue">guint64</span> |
| gst_util_uint64_scale (<em class="parameter"><code><span class="type">guint64</span> val</code></em>, |
| <em class="parameter"><code><span class="type">guint64</span> num</code></em>, |
| <em class="parameter"><code><span class="type">guint64</span> denom</code></em>);</pre> |
| <p>Scale <em class="parameter"><code>val</code></em> |
| by the rational number <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| , avoiding overflows and |
| underflows and without loss of precision.</p> |
| <p>This function can potentially be very slow if val and num are both |
| greater than G_MAXUINT32.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.59.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>the number to scale</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>the numerator of the scale ratio</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>denom</p></td> |
| <td class="parameter_description"><p>the denominator of the scale ratio</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.59.7"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>val</code></em> |
| * <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| . In the case of an overflow, this |
| function returns G_MAXUINT64. If the result is not exactly |
| representable as an integer it is truncated. See also |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-round" title="gst_util_uint64_scale_round ()"><code class="function">gst_util_uint64_scale_round()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-ceil" title="gst_util_uint64_scale_ceil ()"><code class="function">gst_util_uint64_scale_ceil()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int" title="gst_util_uint64_scale_int ()"><code class="function">gst_util_uint64_scale_int()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-round" title="gst_util_uint64_scale_int_round ()"><code class="function">gst_util_uint64_scale_int_round()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-ceil" title="gst_util_uint64_scale_int_ceil ()"><code class="function">gst_util_uint64_scale_int_ceil()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-uint64-scale-round"></a><h3>gst_util_uint64_scale_round ()</h3> |
| <pre class="programlisting"><span class="returnvalue">guint64</span> |
| gst_util_uint64_scale_round (<em class="parameter"><code><span class="type">guint64</span> val</code></em>, |
| <em class="parameter"><code><span class="type">guint64</span> num</code></em>, |
| <em class="parameter"><code><span class="type">guint64</span> denom</code></em>);</pre> |
| <p>Scale <em class="parameter"><code>val</code></em> |
| by the rational number <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| , avoiding overflows and |
| underflows and without loss of precision.</p> |
| <p>This function can potentially be very slow if val and num are both |
| greater than G_MAXUINT32.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.60.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>the number to scale</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>the numerator of the scale ratio</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>denom</p></td> |
| <td class="parameter_description"><p>the denominator of the scale ratio</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.60.7"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>val</code></em> |
| * <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| . In the case of an overflow, this |
| function returns G_MAXUINT64. If the result is not exactly |
| representable as an integer, it is rounded to the nearest integer |
| (half-way cases are rounded up). See also <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale" title="gst_util_uint64_scale ()"><code class="function">gst_util_uint64_scale()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-ceil" title="gst_util_uint64_scale_ceil ()"><code class="function">gst_util_uint64_scale_ceil()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int" title="gst_util_uint64_scale_int ()"><code class="function">gst_util_uint64_scale_int()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-round" title="gst_util_uint64_scale_int_round ()"><code class="function">gst_util_uint64_scale_int_round()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-ceil" title="gst_util_uint64_scale_int_ceil ()"><code class="function">gst_util_uint64_scale_int_ceil()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-uint64-scale-ceil"></a><h3>gst_util_uint64_scale_ceil ()</h3> |
| <pre class="programlisting"><span class="returnvalue">guint64</span> |
| gst_util_uint64_scale_ceil (<em class="parameter"><code><span class="type">guint64</span> val</code></em>, |
| <em class="parameter"><code><span class="type">guint64</span> num</code></em>, |
| <em class="parameter"><code><span class="type">guint64</span> denom</code></em>);</pre> |
| <p>Scale <em class="parameter"><code>val</code></em> |
| by the rational number <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| , avoiding overflows and |
| underflows and without loss of precision.</p> |
| <p>This function can potentially be very slow if val and num are both |
| greater than G_MAXUINT32.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.61.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>the number to scale</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>the numerator of the scale ratio</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>denom</p></td> |
| <td class="parameter_description"><p>the denominator of the scale ratio</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.61.7"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>val</code></em> |
| * <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| . In the case of an overflow, this |
| function returns G_MAXUINT64. If the result is not exactly |
| representable as an integer, it is rounded up. See also |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale" title="gst_util_uint64_scale ()"><code class="function">gst_util_uint64_scale()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-round" title="gst_util_uint64_scale_round ()"><code class="function">gst_util_uint64_scale_round()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int" title="gst_util_uint64_scale_int ()"><code class="function">gst_util_uint64_scale_int()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-round" title="gst_util_uint64_scale_int_round ()"><code class="function">gst_util_uint64_scale_int_round()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-ceil" title="gst_util_uint64_scale_int_ceil ()"><code class="function">gst_util_uint64_scale_int_ceil()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-uint64-scale-int"></a><h3>gst_util_uint64_scale_int ()</h3> |
| <pre class="programlisting"><span class="returnvalue">guint64</span> |
| gst_util_uint64_scale_int (<em class="parameter"><code><span class="type">guint64</span> val</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> num</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> denom</code></em>);</pre> |
| <p>Scale <em class="parameter"><code>val</code></em> |
| by the rational number <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| , avoiding overflows and |
| underflows and without loss of precision. <em class="parameter"><code>num</code></em> |
| must be non-negative and |
| <em class="parameter"><code>denom</code></em> |
| must be positive.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.62.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>guint64 (such as a <a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a>) to scale.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>numerator of the scale factor.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>denom</p></td> |
| <td class="parameter_description"><p>denominator of the scale factor.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.62.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>val</code></em> |
| * <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| . In the case of an overflow, this |
| function returns G_MAXUINT64. If the result is not exactly |
| representable as an integer, it is truncated. See also |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-round" title="gst_util_uint64_scale_int_round ()"><code class="function">gst_util_uint64_scale_int_round()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-ceil" title="gst_util_uint64_scale_int_ceil ()"><code class="function">gst_util_uint64_scale_int_ceil()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale" title="gst_util_uint64_scale ()"><code class="function">gst_util_uint64_scale()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-round" title="gst_util_uint64_scale_round ()"><code class="function">gst_util_uint64_scale_round()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-ceil" title="gst_util_uint64_scale_ceil ()"><code class="function">gst_util_uint64_scale_ceil()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-uint64-scale-int-round"></a><h3>gst_util_uint64_scale_int_round ()</h3> |
| <pre class="programlisting"><span class="returnvalue">guint64</span> |
| gst_util_uint64_scale_int_round (<em class="parameter"><code><span class="type">guint64</span> val</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> num</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> denom</code></em>);</pre> |
| <p>Scale <em class="parameter"><code>val</code></em> |
| by the rational number <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| , avoiding overflows and |
| underflows and without loss of precision. <em class="parameter"><code>num</code></em> |
| must be non-negative and |
| <em class="parameter"><code>denom</code></em> |
| must be positive.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.63.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>guint64 (such as a <a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a>) to scale.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>numerator of the scale factor.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>denom</p></td> |
| <td class="parameter_description"><p>denominator of the scale factor.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.63.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>val</code></em> |
| * <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| . In the case of an overflow, this |
| function returns G_MAXUINT64. If the result is not exactly |
| representable as an integer, it is rounded to the nearest integer |
| (half-way cases are rounded up). See also <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int" title="gst_util_uint64_scale_int ()"><code class="function">gst_util_uint64_scale_int()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-ceil" title="gst_util_uint64_scale_int_ceil ()"><code class="function">gst_util_uint64_scale_int_ceil()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale" title="gst_util_uint64_scale ()"><code class="function">gst_util_uint64_scale()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-round" title="gst_util_uint64_scale_round ()"><code class="function">gst_util_uint64_scale_round()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-ceil" title="gst_util_uint64_scale_ceil ()"><code class="function">gst_util_uint64_scale_ceil()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-uint64-scale-int-ceil"></a><h3>gst_util_uint64_scale_int_ceil ()</h3> |
| <pre class="programlisting"><span class="returnvalue">guint64</span> |
| gst_util_uint64_scale_int_ceil (<em class="parameter"><code><span class="type">guint64</span> val</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> num</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> denom</code></em>);</pre> |
| <p>Scale <em class="parameter"><code>val</code></em> |
| by the rational number <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| , avoiding overflows and |
| underflows and without loss of precision. <em class="parameter"><code>num</code></em> |
| must be non-negative and |
| <em class="parameter"><code>denom</code></em> |
| must be positive.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.64.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>val</p></td> |
| <td class="parameter_description"><p>guint64 (such as a <a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a>) to scale.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>num</p></td> |
| <td class="parameter_description"><p>numerator of the scale factor.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>denom</p></td> |
| <td class="parameter_description"><p>denominator of the scale factor.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.64.6"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>val</code></em> |
| * <em class="parameter"><code>num</code></em> |
| / <em class="parameter"><code>denom</code></em> |
| . In the case of an overflow, this |
| function returns G_MAXUINT64. If the result is not exactly |
| representable as an integer, it is rounded up. See also |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int" title="gst_util_uint64_scale_int ()"><code class="function">gst_util_uint64_scale_int()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-int-round" title="gst_util_uint64_scale_int_round ()"><code class="function">gst_util_uint64_scale_int_round()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale" title="gst_util_uint64_scale ()"><code class="function">gst_util_uint64_scale()</code></a>, <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-round" title="gst_util_uint64_scale_round ()"><code class="function">gst_util_uint64_scale_round()</code></a>, |
| <a class="link" href="gstreamer-GstUtils.html#gst-util-uint64-scale-ceil" title="gst_util_uint64_scale_ceil ()"><code class="function">gst_util_uint64_scale_ceil()</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-greatest-common-divisor"></a><h3>gst_util_greatest_common_divisor ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| gst_util_greatest_common_divisor (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> a</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> b</code></em>);</pre> |
| <p>Calculates the greatest common divisor of <em class="parameter"><code>a</code></em> |
| |
| and <em class="parameter"><code>b</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.65.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>a</p></td> |
| <td class="parameter_description"><p>First value as <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>b</p></td> |
| <td class="parameter_description"><p>Second value as <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.65.6"></a><h4>Returns</h4> |
| <p> Greatest common divisor of <em class="parameter"><code>a</code></em> |
| and <em class="parameter"><code>b</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-greatest-common-divisor-int64"></a><h3>gst_util_greatest_common_divisor_int64 ()</h3> |
| <pre class="programlisting"><span class="returnvalue">gint64</span> |
| gst_util_greatest_common_divisor_int64 |
| (<em class="parameter"><code><span class="type">gint64</span> a</code></em>, |
| <em class="parameter"><code><span class="type">gint64</span> b</code></em>);</pre> |
| <p>Calculates the greatest common divisor of <em class="parameter"><code>a</code></em> |
| |
| and <em class="parameter"><code>b</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.66.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>a</p></td> |
| <td class="parameter_description"><p>First value as <span class="type">gint64</span></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>b</p></td> |
| <td class="parameter_description"><p>Second value as <span class="type">gint64</span></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.66.6"></a><h4>Returns</h4> |
| <p> Greatest common divisor of <em class="parameter"><code>a</code></em> |
| and <em class="parameter"><code>b</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-fraction-to-double"></a><h3>gst_util_fraction_to_double ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_util_fraction_to_double (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> src_n</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> src_d</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *dest</code></em>);</pre> |
| <p>Transforms a fraction to a <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.67.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>src_n</p></td> |
| <td class="parameter_description"><p>Fraction numerator as <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>src_d</p></td> |
| <td class="parameter_description"><p>Fraction denominator <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest</p></td> |
| <td class="parameter_description"><p> pointer to a <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> for the result. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-double-to-fraction"></a><h3>gst_util_double_to_fraction ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_util_double_to_fraction (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> src</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *dest_n</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *dest_d</code></em>);</pre> |
| <p>Transforms a <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> to a fraction and simplifies |
| the result.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.68.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>src</p></td> |
| <td class="parameter_description"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> to transform</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest_n</p></td> |
| <td class="parameter_description"><p> pointer to a <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to hold the result numerator. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>dest_d</p></td> |
| <td class="parameter_description"><p> pointer to a <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to hold the result denominator. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-util-fraction-multiply"></a><h3>gst_util_fraction_multiply ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_util_fraction_multiply (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> a_n</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> a_d</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> b_n</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> b_d</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *res_n</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *res_d</code></em>);</pre> |
| <p>Multiplies the fractions <em class="parameter"><code>a_n</code></em> |
| /<em class="parameter"><code>a_d</code></em> |
| and <em class="parameter"><code>b_n</code></em> |
| /<em class="parameter"><code>b_d</code></em> |
| and stores |
| the result in <em class="parameter"><code>res_n</code></em> |
| and <em class="parameter"><code>res_d</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="id-1.3.58.7.69.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>a_n</p></td> |
| <td class="parameter_description"><p>Numerator of first value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>a_d</p></td> |
| <td class="parameter_description"><p>Denominator of first value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>b_n</p></td> |
| <td class="parameter_description"><p>Numerator of second value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>b_d</p></td> |
| <td class="parameter_description"><p>Denominator of second value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>res_n</p></td> |
| <td class="parameter_description"><p> Pointer to <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to hold the result numerator. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>res_d</p></td> |
| <td class="parameter_description"><p> Pointer to <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to hold the result denominator. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
|