Why Gemfury?
Push, build, and install
RubyGems
npm packages
Python packages
Maven artifacts
PHP packages
Go Modules
Debian packages
RPM packages
NuGet packages
showbox-public / ffmpeg-doc deb
Repository URL to install this package:
|
Version:
7:2.7.1-1ubuntu3 ▾
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>FFmpeg: Option setting functions</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">FFmpeg
 <span id="projectnumber">2.7.1</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- Generated by Doxygen 1.7.6.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
</div>
<div class="header">
<div class="summary">
<a href="#define-members">Defines</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">Option setting functions</div> </div>
<div class="ingroups"><a class="el" href="group__avoptions.html">AVOptions</a></div></div><!--header-->
<div class="contents">
<p>Those functions set the field of obj with the given name to value.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#gac06fc2b2e32f67f067ed7aaec163447f">av_opt_set_int_list</a>(obj, name, val, term, flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set a binary option to an integer list. <a href="#gac06fc2b2e32f67f067ed7aaec163447f"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#ga5fd4b92bdf4f392a2847f711676a7537">av_opt_set</a> (void *obj, const char *name, const char *val, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#ga3adf7185c21cc080890a5ec02c2e56b2">av_opt_set_int</a> (void *obj, const char *name, int64_t val, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#ga11f22424bb01fd58f6b34f220a0fff6a">av_opt_set_double</a> (void *obj, const char *name, double val, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#ga4f4f0b06e931c638ee8b4074e3638cef">av_opt_set_q</a> (void *obj, const char *name, <a class="el" href="structAVRational.html">AVRational</a> val, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#ga6c32155fd8a96bed2f8cf5ebc030dadf">av_opt_set_bin</a> (void *obj, const char *name, const uint8_t *val, int size, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#ga29c5723116dcc9be891ee2ca61f2df5e">av_opt_set_image_size</a> (void *obj, const char *name, int w, int h, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#gae8992c7875fd69a0c0e8c010098d402d">av_opt_set_pixel_fmt</a> (void *obj, const char *name, enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> fmt, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#gad446f7a7b92442e464d43e400e661040">av_opt_set_sample_fmt</a> (void *obj, const char *name, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> fmt, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#gac4a81110dd4f5c717ec6ccf0a9e94b9f">av_opt_set_video_rate</a> (void *obj, const char *name, <a class="el" href="structAVRational.html">AVRational</a> val, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#gaf25f11e11068f2c41197ba072f25d2a4">av_opt_set_channel_layout</a> (void *obj, const char *name, int64_t ch_layout, int search_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__set__funcs.html#gad19358af12f0766fedec516e387b8196">av_opt_set_dict_val</a> (void *obj, const char *name, const <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> *val, int search_flags)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<p>Those functions set the field of obj with the given name to value. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">obj</td><td>A struct whose first element is a pointer to an <a class="el" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a>. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">name</td><td>the name of the field to set </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">val</td><td>The value to set. In case of <a class="el" href="group__opt__set__funcs.html#ga5fd4b92bdf4f392a2847f711676a7537">av_opt_set()</a> if the field is not of a string type, then the given string is parsed. SI postfixes and some named scalars are supported. If the field is of a numeric type, it has to be a numeric or named scalar. Behavior with more than one scalar and +- infix operators is undefined. If the field is of a flags type, it has to be a sequence of numeric scalars or named flags separated by '+' or '-'. Prefixing a flag with '+' causes it to be set without affecting the other flags; similarly, '-' unsets a flag. </td></tr>
<tr><td class="paramdir"></td><td class="paramname">search_flags</td><td>flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN is passed here, then the option may be set on a child of obj.</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if the value has been set, or an AVERROR code in case of error: AVERROR_OPTION_NOT_FOUND if no matching option exists <a class="el" href="group__lavu__error.html#gae4bb6f165973d09584e0ec0f335f69ca">AVERROR(ERANGE)</a> if the value is out of range <a class="el" href="group__lavu__error.html#gae4bb6f165973d09584e0ec0f335f69ca">AVERROR(EINVAL)</a> if the value is not valid </dd></dl>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="gac06fc2b2e32f67f067ed7aaec163447f"></a><!-- doxytag: member="opt.h::av_opt_set_int_list" ref="gac06fc2b2e32f67f067ed7aaec163447f" args="(obj, name, val, term, flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">#define <a class="el" href="group__opt__set__funcs.html#gac06fc2b2e32f67f067ed7aaec163447f">av_opt_set_int_list</a></td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">obj, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">name, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">val, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">term, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">flags </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<b>Value:</b><div class="fragment"><pre class="fragment">(<a class="code" href="group__lavu__misc.html#gaddb1ee4dba6de5845eda3e9e1e740366" title="Compute the length of an integer list.">av_int_list_length</a>(val, term) > INT_MAX / <span class="keyword">sizeof</span>(*(val)) ? \
AVERROR(EINVAL) : \
<a class="code" href="group__opt__set__funcs.html#ga6c32155fd8a96bed2f8cf5ebc030dadf">av_opt_set_bin</a>(obj, name, (const uint8_t *)(val), \
<a class="code" href="group__lavu__misc.html#gaddb1ee4dba6de5845eda3e9e1e740366" title="Compute the length of an integer list.">av_int_list_length</a>(val, term) * sizeof(*(val)), flags))
</pre></div>
<p>Set a binary option to an integer list. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td><a class="el" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> object to set options on </td></tr>
<tr><td class="paramname">name</td><td>name of the binary option </td></tr>
<tr><td class="paramname">val</td><td>pointer to an integer list (must have the correct type with regard to the contents of the list) </td></tr>
<tr><td class="paramname">term</td><td>list terminator (usually 0 or -1) </td></tr>
<tr><td class="paramname">flags</td><td>search flags </td></tr>
</table>
</dd>
</dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="filtering_audio_8c-example.html#a45">filtering_audio.c</a>, and <a class="el" href="filtering_video_8c-example.html#a43">filtering_video.c</a>.</dd>
</dl>
<p>Definition at line <a class="el" href="opt_8h_source.html#l00747">747</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
<p>Referenced by <a class="el" href="filtering__audio_8c_source.html#l00085">init_filters()</a>.</p>
</div>
</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga5fd4b92bdf4f392a2847f711676a7537"></a><!-- doxytag: member="opt.h::av_opt_set" ref="ga5fd4b92bdf4f392a2847f711676a7537" args="(void *obj, const char *name, const char *val, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#ga5fd4b92bdf4f392a2847f711676a7537">av_opt_set</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="decoding_encoding_8c-example.html#a65">decoding_encoding.c</a>, and <a class="el" href="filter_audio_8c-example.html#a12">filter_audio.c</a>.</dd>
</dl>
<p>Referenced by <a class="el" href="filter__audio_8c_source.html#l00062">init_filter_graph()</a>, and <a class="el" href="decoding__encoding_8c_source.html#l00347">video_encode_example()</a>.</p>
</div>
</div>
<a class="anchor" id="ga3adf7185c21cc080890a5ec02c2e56b2"></a><!-- doxytag: member="opt.h::av_opt_set_int" ref="ga3adf7185c21cc080890a5ec02c2e56b2" args="(void *obj, const char *name, int64_t val, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#ga3adf7185c21cc080890a5ec02c2e56b2">av_opt_set_int</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="filter_audio_8c-example.html#a19">filter_audio.c</a>, <a class="el" href="filtering_audio_8c-example.html#a22">filtering_audio.c</a>, <a class="el" href="filtering_video_8c-example.html#a23">filtering_video.c</a>, <a class="el" href="muxing_8c-example.html#a86">muxing.c</a>, and <a class="el" href="resampling_audio_8c-example.html#a15">resampling_audio.c</a>.</dd>
</dl>
<p>Referenced by <a class="el" href="filter__audio_8c_source.html#l00062">init_filter_graph()</a>, <a class="el" href="resampling__audio_8c_source.html#l00081">main()</a>, <a class="el" href="muxing_8c_source.html#l00209">open_audio()</a>, and <a class="el" href="filtering__audio_8c_source.html#l00051">open_input_file()</a>.</p>
</div>
</div>
<a class="anchor" id="ga11f22424bb01fd58f6b34f220a0fff6a"></a><!-- doxytag: member="opt.h::av_opt_set_double" ref="ga11f22424bb01fd58f6b34f220a0fff6a" args="(void *obj, const char *name, double val, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#ga11f22424bb01fd58f6b34f220a0fff6a">av_opt_set_double</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="ga4f4f0b06e931c638ee8b4074e3638cef"></a><!-- doxytag: member="opt.h::av_opt_set_q" ref="ga4f4f0b06e931c638ee8b4074e3638cef" args="(void *obj, const char *name, AVRational val, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#ga4f4f0b06e931c638ee8b4074e3638cef">av_opt_set_q</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structAVRational.html">AVRational</a> </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="filter_audio_8c-example.html#a16">filter_audio.c</a>.</dd>
</dl>
<p>Referenced by <a class="el" href="filter__audio_8c_source.html#l00062">init_filter_graph()</a>.</p>
</div>
</div>
<a class="anchor" id="ga6c32155fd8a96bed2f8cf5ebc030dadf"></a><!-- doxytag: member="opt.h::av_opt_set_bin" ref="ga6c32155fd8a96bed2f8cf5ebc030dadf" args="(void *obj, const char *name, const uint8_t *val, int size, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#ga6c32155fd8a96bed2f8cf5ebc030dadf">av_opt_set_bin</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const uint8_t * </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="transcoding_8c-example.html#a74">transcoding.c</a>.</dd>
</dl>
<p>Referenced by <a class="el" href="transcoding_8c_source.html#l00187">init_filter()</a>.</p>
</div>
</div>
<a class="anchor" id="ga29c5723116dcc9be891ee2ca61f2df5e"></a><!-- doxytag: member="opt.h::av_opt_set_image_size" ref="ga29c5723116dcc9be891ee2ca61f2df5e" args="(void *obj, const char *name, int w, int h, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#ga29c5723116dcc9be891ee2ca61f2df5e">av_opt_set_image_size</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>w</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>h</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="gae8992c7875fd69a0c0e8c010098d402d"></a><!-- doxytag: member="opt.h::av_opt_set_pixel_fmt" ref="gae8992c7875fd69a0c0e8c010098d402d" args="(void *obj, const char *name, enum AVPixelFormat fmt, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#gae8992c7875fd69a0c0e8c010098d402d">av_opt_set_pixel_fmt</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> </td>
<td class="paramname"><em>fmt</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="gad446f7a7b92442e464d43e400e661040"></a><!-- doxytag: member="opt.h::av_opt_set_sample_fmt" ref="gad446f7a7b92442e464d43e400e661040" args="(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#gad446f7a7b92442e464d43e400e661040">av_opt_set_sample_fmt</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> </td>
<td class="paramname"><em>fmt</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="muxing_8c-example.html#a87">muxing.c</a>, and <a class="el" href="resampling_audio_8c-example.html#a16">resampling_audio.c</a>.</dd>
</dl>
<p>Referenced by <a class="el" href="resampling__audio_8c_source.html#l00081">main()</a>, and <a class="el" href="muxing_8c_source.html#l00209">open_audio()</a>.</p>
</div>
</div>
<a class="anchor" id="gac4a81110dd4f5c717ec6ccf0a9e94b9f"></a><!-- doxytag: member="opt.h::av_opt_set_video_rate" ref="gac4a81110dd4f5c717ec6ccf0a9e94b9f" args="(void *obj, const char *name, AVRational val, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#gac4a81110dd4f5c717ec6ccf0a9e94b9f">av_opt_set_video_rate</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structAVRational.html">AVRational</a> </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="gaf25f11e11068f2c41197ba072f25d2a4"></a><!-- doxytag: member="opt.h::av_opt_set_channel_layout" ref="gaf25f11e11068f2c41197ba072f25d2a4" args="(void *obj, const char *name, int64_t ch_layout, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#gaf25f11e11068f2c41197ba072f25d2a4">av_opt_set_channel_layout</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t </td>
<td class="paramname"><em>ch_layout</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="gad19358af12f0766fedec516e387b8196"></a><!-- doxytag: member="opt.h::av_opt_set_dict_val" ref="gad19358af12f0766fedec516e387b8196" args="(void *obj, const char *name, const AVDictionary *val, int search_flags)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="group__opt__set__funcs.html#gad19358af12f0766fedec516e387b8196">av_opt_set_dict_val</a> </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> * </td>
<td class="paramname"><em>val</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>search_flags</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl class="note"><dt><b>Note:</b></dt><dd>Any old dictionary present is discarded and replaced with a copy of the new one. The caller still owns val is and responsible for freeing it. </dd></dl>
</div>
</div>
</div><!-- contents -->
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Defines</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<hr class="footer"/><address class="footer"><small>
Generated by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.7.6.1
</small></address>
</body>
</html>