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<div class="title">libavutil/opt.h File Reference</div> </div>
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<p>AVOptions.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="rational_8h_source.html">rational.h</a>"</code><br/>
<code>#include "<a class="el" href="avutil_8h_source.html">avutil.h</a>"</code><br/>
<code>#include "<a class="el" href="dict_8h_source.html">dict.h</a>"</code><br/>
<code>#include "<a class="el" href="log_8h_source.html">log.h</a>"</code><br/>
<code>#include "<a class="el" href="pixfmt_8h_source.html">pixfmt.h</a>"</code><br/>
<code>#include "<a class="el" href="samplefmt_8h_source.html">samplefmt.h</a>"</code><br/>
<code>#include "<a class="el" href="libavutil_2version_8h_source.html">version.h</a>"</code><br/>
</div>
<p><a href="opt_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structAVOption.html">AVOption</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="structAVOption.html" title="AVOption.">AVOption</a>. <a href="structAVOption.html#details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structAVOptionRange.html">AVOptionRange</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A single allowed range of values, or a single allowed value. <a href="structAVOptionRange.html#details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structAVOptionRanges.html">AVOptionRanges</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">List of <a class="el" href="structAVOptionRange.html" title="A single allowed range of values, or a single allowed value.">AVOptionRange</a> structs. <a href="structAVOptionRanges.html#details">More...</a><br/></td></tr>
<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="opt_8h.html#aba0d5e41287b6fbeae5dd59f643695cc">AV_OPT_FLAG_ENCODING_PARAM</a>   1</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">a generic parameter which can be set by the user for muxing or encoding <a href="#aba0d5e41287b6fbeae5dd59f643695cc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#aad820197915e73441f76f5e0c384d78a">AV_OPT_FLAG_DECODING_PARAM</a>   2</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">a generic parameter which can be set by the user for demuxing or decoding <a href="#aad820197915e73441f76f5e0c384d78a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#aaa63966a3f547a71a7742f4aea00093a">AV_OPT_FLAG_AUDIO_PARAM</a>   8</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#aaf3d0af9d7eca757034486a8eb896246">AV_OPT_FLAG_VIDEO_PARAM</a>   16</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#ad27ec6a75c8a2c21329e443b15b368c3">AV_OPT_FLAG_SUBTITLE_PARAM</a>   32</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#adf984463025a7861f3c21b113966cb53">AV_OPT_FLAG_EXPORT</a>   64</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The option is inteded for exporting values to the caller. <a href="#adf984463025a7861f3c21b113966cb53"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#a5f24d30655a5aea4dc8bd7263dbfd78c">AV_OPT_FLAG_READONLY</a>   128</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The option may not be set through the AVOptions API, only read. <a href="#a5f24d30655a5aea4dc8bd7263dbfd78c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="opt_8h.html#a1fa5f9ced9142668142f316b0aad2cfc">AV_OPT_FLAG_FILTERING_PARAM</a>   (1<<16)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">a generic parameter which can be set by the user for filtering <a href="#a1fa5f9ced9142668142f316b0aad2cfc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga25801ba4fc9b5313eb33ec84e082dd72">AV_OPT_SEARCH_CHILDREN</a>   0x0001</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Search in possible children of the given object first. <a href="group__avoptions.html#ga25801ba4fc9b5313eb33ec84e082dd72"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gaa764998552a6f6f66a47ecd52b345caa">AV_OPT_SEARCH_FAKE_OBJ</a>   0x0002</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The obj passed to <a class="el" href="group__avoptions.html#gae31ae7fb20113b00108d0ecf53f25664" title="Look for an option in an object.">av_opt_find()</a> is fake -- only a double pointer to <a class="el" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> instead of a required pointer to a struct containing <a class="el" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a>. <a href="group__avoptions.html#gaa764998552a6f6f66a47ecd52b345caa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga1f10d07c79eec8bd1a8e1b91817e1b1a">AV_OPT_MULTI_COMPONENT_RANGE</a>   0x1000</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allows av_opt_query_ranges and av_opt_query_ranges_default to return more than one component for certain option types. <a href="group__avoptions.html#ga1f10d07c79eec8bd1a8e1b91817e1b1a"></a><br/></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="group__opt__set__funcs.html#gac06fc2b2e32f67f067ed7aaec163447f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga844ea4db9927936ea0cfc98e0113750f">AV_OPT_SERIALIZE_SKIP_DEFAULTS</a>   0x00000001</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Serialize options that are not set to default values only. <a href="group__avoptions.html#ga844ea4db9927936ea0cfc98e0113750f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga49bfd169f5bcde70fb38fc036a524d3a">AV_OPT_SERIALIZE_OPT_FLAGS_EXACT</a>   0x00000002</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Serialize options that exactly match opt_flags only. <a href="group__avoptions.html#ga49bfd169f5bcde70fb38fc036a524d3a"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gabd75aa30eb8ad6387672df9a1fa79444">AVOptionType</a> { <br/>
  <a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a7aaeee142b88a3078ddc57c644b49a7e">AV_OPT_TYPE_FLAGS</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444ac068b8f6afeeb293a13aeabb5d702411">AV_OPT_TYPE_INT</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a94d540a5b928da813ff94d9367a1078a">AV_OPT_TYPE_INT64</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444ae0b49ec51847a758ceb46976083da2e5">AV_OPT_TYPE_DOUBLE</a>,
<br/>
  <a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444ae91d3f6cbac4a4de2a6e880ac2a52d1a">AV_OPT_TYPE_FLOAT</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444afadddce95ad3b690dd38644b458b96c4">AV_OPT_TYPE_STRING</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a74ba464440564230a72b95b39593cbfc">AV_OPT_TYPE_RATIONAL</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a2689966edbe494482dfdfaa4efdf95d3">AV_OPT_TYPE_BINARY</a>,
<br/>
  <a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444aed6f0d8e5b8f3edcaea01c15ab43aefd">AV_OPT_TYPE_DICT</a>,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a0fa9f07d428bdc32495fe55c365c5329">AV_OPT_TYPE_CONST</a> = 128,
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a078f280b98b49a9f585c5d479b711d9a">AV_OPT_TYPE_IMAGE_SIZE</a> = MKBETAG('S','I','Z','E'),
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a114085ba9877df34de060124877d8274">AV_OPT_TYPE_PIXEL_FMT</a> = MKBETAG('P','F','M','T'),
<br/>
  <a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a711661923db91bbbd4abdec0efa5ff0a">AV_OPT_TYPE_SAMPLE_FMT</a> = MKBETAG('S','F','M','T'),
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a9429811abc62d4a564ec56938df0a572">AV_OPT_TYPE_VIDEO_RATE</a> = MKBETAG('V','R','A','T'),
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a2e3a2fc47ae688f28cc4abe59452a032">AV_OPT_TYPE_DURATION</a> = MKBETAG('D','U','R',' '),
<a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444afdcd13cbd184901b05e27595e647fadc">AV_OPT_TYPE_COLOR</a> = MKBETAG('C','O','L','R'),
<br/>
  <a class="el" href="group__avoptions.html#ggabd75aa30eb8ad6387672df9a1fa79444a5628c270688d2ec28643dfff825dbe26">AV_OPT_TYPE_CHANNEL_LAYOUT</a> = MKBETAG('C','H','L','A')
<br/>
}</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <a class="el" href="group__avoptions.html#gga61dadd085c1777f559549e05962b2c9eaa836a939d74606db85ce1f09470d1605">AV_OPT_FLAG_IMPLICIT_KEY</a> = 1
}</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__avoptions.html#gaf7394e27d34208b24af8bb4b4a11741b">av_opt_show2</a> (void *obj, void *av_log_obj, int req_flags, int rej_flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Show the obj options. <a href="group__avoptions.html#gaf7394e27d34208b24af8bb4b4a11741b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gad4ca968e9058b39b2da630ad0a091bdb">av_opt_set_defaults</a> (void *s)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the values of all <a class="el" href="structAVOption.html" title="AVOption.">AVOption</a> fields to their default values. <a href="group__avoptions.html#gad4ca968e9058b39b2da630ad0a091bdb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gab48669d1326f7d47ef39e5702e34abd2">av_set_options_string</a> (void *ctx, const char *opts, const char *key_val_sep, const char *pairs_sep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Parse the key/value pairs list in opts. <a href="group__avoptions.html#gab48669d1326f7d47ef39e5702e34abd2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gaa936b1aa7caca67b21cd50819c2b9fb1">av_opt_set_from_string</a> (void *ctx, const char *opts, const char *const *shorthand, const char *key_val_sep, const char *pairs_sep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Parse the key-value pairs list in opts. <a href="group__avoptions.html#gaa936b1aa7caca67b21cd50819c2b9fb1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gac14db824af52baf8181406e98d116097">av_opt_free</a> (void *obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free all allocated objects in obj. <a href="group__avoptions.html#gac14db824af52baf8181406e98d116097"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga1436a3afc8dbc70ed9e70c8287dcc766">av_opt_flag_is_set</a> (void *obj, const char *field_name, const char *flag_name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check whether a particular flag is set in a flags field. <a href="group__avoptions.html#ga1436a3afc8dbc70ed9e70c8287dcc766"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gaf1a88e8f152d7835f111b1ef8813fb2e">av_opt_set_dict</a> (void *obj, struct <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **options)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set all the options from a given dictionary on an object. <a href="group__avoptions.html#gaf1a88e8f152d7835f111b1ef8813fb2e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga1824a600b215f1807e77b5f6cfa58586">av_opt_set_dict2</a> (void *obj, struct <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **options, int search_flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set all the options from a given dictionary on an object. <a href="group__avoptions.html#ga1824a600b215f1807e77b5f6cfa58586"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga1e459af4e23415b8eb9b05aee81c933c">av_opt_get_key_value</a> (const char **ropts, const char *key_val_sep, const char *pairs_sep, unsigned flags, char **rkey, char **rval)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Extract a key-value pair from the beginning of a string. <a href="group__avoptions.html#ga1e459af4e23415b8eb9b05aee81c933c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__eval__funcs.html#gae245940b870e13b759354d570decf3dc">av_opt_eval_flags</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o, const char *val, int *flags_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__eval__funcs.html#ga8bcee89d4a51400092e2d653c842bfa8">av_opt_eval_int</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o, const char *val, int *int_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__eval__funcs.html#gae2285d602e2079f0df141826fc00c666">av_opt_eval_int64</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o, const char *val, int64_t *int64_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__eval__funcs.html#ga3c06cf2a2e7efc60d97adbeb7bbb6b44">av_opt_eval_float</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o, const char *val, float *float_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__eval__funcs.html#gac65f3b9753c48616e8dd4dea0c47f9e6">av_opt_eval_double</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o, const char *val, double *double_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__eval__funcs.html#gabd95639131aac582a2f7c4bfc5adb4b0">av_opt_eval_q</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o, const char *val, <a class="el" href="structAVRational.html">AVRational</a> *q_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structAVOption.html">AVOption</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gae31ae7fb20113b00108d0ecf53f25664">av_opt_find</a> (void *obj, const char *name, const char *unit, int opt_flags, int search_flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Look for an option in an object. <a href="group__avoptions.html#gae31ae7fb20113b00108d0ecf53f25664"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structAVOption.html">AVOption</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga3e121fd0b44b34e31756f4fe848d29a7">av_opt_find2</a> (void *obj, const char *name, const char *unit, int opt_flags, int search_flags, void **target_obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Look for an option in an object. <a href="group__avoptions.html#ga3e121fd0b44b34e31756f4fe848d29a7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structAVOption.html">AVOption</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga33723e44fd2f22f42fe7145a08ea8e60">av_opt_next</a> (<a class="el" href="group__depr__guards.html#ga782e553655937c70755555d8503652b8">FF_CONST_AVUTIL55</a> void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *prev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Iterate over all AVOptions belonging to obj. <a href="group__avoptions.html#ga33723e44fd2f22f42fe7145a08ea8e60"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gaacce30022d2e99c7b9309d3ad3345f69">av_opt_child_next</a> (void *obj, void *prev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Iterate over AVOptions-enabled children of obj. <a href="group__avoptions.html#gaacce30022d2e99c7b9309d3ad3345f69"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structAVClass.html">AVClass</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gadee1f425013a0f861a40a72d80f189b1">av_opt_child_class_next</a> (const <a class="el" href="structAVClass.html">AVClass</a> *parent, const <a class="el" href="structAVClass.html">AVClass</a> *prev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Iterate over potential AVOptions-enabled children of parent. <a href="group__avoptions.html#gadee1f425013a0f861a40a72d80f189b1"></a><br/></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>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#gaf31144e60f9ce89dbe8cbea57a0b232c">av_opt_get</a> (void *obj, const char *name, int search_flags, uint8_t **out_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#gaab5b9c0969efe56420536a5d190e59bd">av_opt_get_int</a> (void *obj, const char *name, int search_flags, int64_t *out_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#ga4ee50245cd18a65ec1cd27bc8e0cab83">av_opt_get_double</a> (void *obj, const char *name, int search_flags, double *out_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#gabc553a1b95468f935eedfa9db86e2a15">av_opt_get_q</a> (void *obj, const char *name, int search_flags, <a class="el" href="structAVRational.html">AVRational</a> *out_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#ga96d9c726c3feff308e7fe447633c9720">av_opt_get_image_size</a> (void *obj, const char *name, int search_flags, int *w_out, int *h_out)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#ga41fdd93f0483e96548168f9cfaf5bf6b">av_opt_get_pixel_fmt</a> (void *obj, const char *name, int search_flags, enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> *out_fmt)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#gade39dd8ce34b193f7012022072e36642">av_opt_get_sample_fmt</a> (void *obj, const char *name, int search_flags, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> *out_fmt)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#gaf565dc77c53e8e56d08ee1a3c642f95f">av_opt_get_video_rate</a> (void *obj, const char *name, int search_flags, <a class="el" href="structAVRational.html">AVRational</a> *out_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#ga35864ccde3246be3f56366fd5145fc12">av_opt_get_channel_layout</a> (void *obj, const char *name, int search_flags, int64_t *ch_layout)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__opt__get__funcs.html#ga6ed0b77def62321ff995843211405338">av_opt_get_dict_val</a> (void *obj, const char *name, int search_flags, <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **out_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gab1d208d09e487741a28016919225bef6">av_opt_ptr</a> (const <a class="el" href="structAVClass.html">AVClass</a> *avclass, void *obj, const char *name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets a pointer to the requested field in a struct. <a href="group__avoptions.html#gab1d208d09e487741a28016919225bef6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga880756f24644ff66c806ed2d9ab3d790">av_opt_freep_ranges</a> (<a class="el" href="structAVOptionRanges.html">AVOptionRanges</a> **ranges)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free an <a class="el" href="structAVOptionRanges.html" title="List of AVOptionRange structs.">AVOptionRanges</a> struct and set it to NULL. <a href="group__avoptions.html#ga880756f24644ff66c806ed2d9ab3d790"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga9751db4da3e0facd522f5b345f4001ef">av_opt_query_ranges</a> (<a class="el" href="structAVOptionRanges.html">AVOptionRanges</a> **, void *obj, const char *key, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a list of allowed ranges for the given option. <a href="group__avoptions.html#ga9751db4da3e0facd522f5b345f4001ef"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga846d90231d6d8ac78f9d33703268dc29">av_opt_copy</a> (void *dest, <a class="el" href="group__depr__guards.html#ga782e553655937c70755555d8503652b8">FF_CONST_AVUTIL55</a> void *src)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy options from src object into dest object. <a href="group__avoptions.html#ga846d90231d6d8ac78f9d33703268dc29"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga4e50bee09b6a374cc54237314892c001">av_opt_query_ranges_default</a> (<a class="el" href="structAVOptionRanges.html">AVOptionRanges</a> **, void *obj, const char *key, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a default list of allowed ranges for the given option. <a href="group__avoptions.html#ga4e50bee09b6a374cc54237314892c001"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga3ca54258a4c5ac18999dd19b4444c15a">av_opt_is_set_to_default</a> (void *obj, const <a class="el" href="structAVOption.html">AVOption</a> *o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if given option is set to its default value. <a href="group__avoptions.html#ga3ca54258a4c5ac18999dd19b4444c15a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#gaa37a02c9d3e6d9f049f2e7174811f5fb">av_opt_is_set_to_default_by_name</a> (void *obj, const char *name, int search_flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if given option is set to its default value. <a href="group__avoptions.html#gaa37a02c9d3e6d9f049f2e7174811f5fb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__avoptions.html#ga523122ff19a79f2867a9da29bbafa33b">av_opt_serialize</a> (void *obj, int opt_flags, int flags, char **buffer, const char key_val_sep, const char pairs_sep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Serialize object's options. <a href="group__avoptions.html#ga523122ff19a79f2867a9da29bbafa33b"></a><br/></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>AVOptions. </p>
<p>Definition in file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
</div><hr/><h2>Define Documentation</h2>
<a class="anchor" id="aba0d5e41287b6fbeae5dd59f643695cc"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_ENCODING_PARAM" ref="aba0d5e41287b6fbeae5dd59f643695cc" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#aba0d5e41287b6fbeae5dd59f643695cc">AV_OPT_FLAG_ENCODING_PARAM</a>   1</td>
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<p>a generic parameter which can be set by the user for muxing or encoding </p>
<p>Definition at line <a class="el" href="opt_8h_source.html#l00285">285</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="aad820197915e73441f76f5e0c384d78a"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_DECODING_PARAM" ref="aad820197915e73441f76f5e0c384d78a" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#aad820197915e73441f76f5e0c384d78a">AV_OPT_FLAG_DECODING_PARAM</a>   2</td>
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<p>a generic parameter which can be set by the user for demuxing or decoding </p>
<p>Definition at line <a class="el" href="opt_8h_source.html#l00286">286</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="aaa63966a3f547a71a7742f4aea00093a"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_AUDIO_PARAM" ref="aaa63966a3f547a71a7742f4aea00093a" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#aaa63966a3f547a71a7742f4aea00093a">AV_OPT_FLAG_AUDIO_PARAM</a>   8</td>
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<p>Definition at line <a class="el" href="opt_8h_source.html#l00290">290</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="aaf3d0af9d7eca757034486a8eb896246"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_VIDEO_PARAM" ref="aaf3d0af9d7eca757034486a8eb896246" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#aaf3d0af9d7eca757034486a8eb896246">AV_OPT_FLAG_VIDEO_PARAM</a>   16</td>
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<p>Definition at line <a class="el" href="opt_8h_source.html#l00291">291</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="ad27ec6a75c8a2c21329e443b15b368c3"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_SUBTITLE_PARAM" ref="ad27ec6a75c8a2c21329e443b15b368c3" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#ad27ec6a75c8a2c21329e443b15b368c3">AV_OPT_FLAG_SUBTITLE_PARAM</a>   32</td>
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<p>Definition at line <a class="el" href="opt_8h_source.html#l00292">292</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="adf984463025a7861f3c21b113966cb53"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_EXPORT" ref="adf984463025a7861f3c21b113966cb53" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#adf984463025a7861f3c21b113966cb53">AV_OPT_FLAG_EXPORT</a>   64</td>
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<p>The option is inteded for exporting values to the caller. </p>
<p>Definition at line <a class="el" href="opt_8h_source.html#l00296">296</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="a5f24d30655a5aea4dc8bd7263dbfd78c"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_READONLY" ref="a5f24d30655a5aea4dc8bd7263dbfd78c" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#a5f24d30655a5aea4dc8bd7263dbfd78c">AV_OPT_FLAG_READONLY</a>   128</td>
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<p>The option may not be set through the AVOptions API, only read. </p>
<p>This flag only makes sense when AV_OPT_FLAG_EXPORT is also set. </p>
<p>Definition at line <a class="el" href="opt_8h_source.html#l00301">301</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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<a class="anchor" id="a1fa5f9ced9142668142f316b0aad2cfc"></a><!-- doxytag: member="opt.h::AV_OPT_FLAG_FILTERING_PARAM" ref="a1fa5f9ced9142668142f316b0aad2cfc" args="" -->
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<td class="memname">#define <a class="el" href="opt_8h.html#a1fa5f9ced9142668142f316b0aad2cfc">AV_OPT_FLAG_FILTERING_PARAM</a>   (1<<16)</td>
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<p>a generic parameter which can be set by the user for filtering </p>
<p>Definition at line <a class="el" href="opt_8h_source.html#l00302">302</a> of file <a class="el" href="opt_8h_source.html">opt.h</a>.</p>
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