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<div class="title">libavutil/dict.h File Reference</div> </div>
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<p>Public dictionary API.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <stdint.h></code><br/>
<code>#include "<a class="el" href="libavutil_2version_8h_source.html">version.h</a>"</code><br/>
</div>
<p><a href="dict_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="structAVDictionaryEntry.html">AVDictionaryEntry</a></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="group__lavu__dict.html#gad9cbc53cec515b72ae7caa2e194c6bc0">AV_DICT_MATCH_CASE</a>   1</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Only get an entry with exact-case key match. <a href="group__lavu__dict.html#gad9cbc53cec515b72ae7caa2e194c6bc0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga341bbd1ea599dfb0510f419e5272fecc">AV_DICT_IGNORE_SUFFIX</a>   2</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string. <a href="group__lavu__dict.html#ga341bbd1ea599dfb0510f419e5272fecc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#gacb0ce4f20c15bf174f93590ace0fc8fd">AV_DICT_DONT_STRDUP_KEY</a>   4</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Take ownership of a key that's been allocated with <a class="el" href="group__lavu__mem.html#ga9722446c5e310ffedfaac9489864796d" title="Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...">av_malloc()</a> or another memory allocation function. <a href="group__lavu__dict.html#gacb0ce4f20c15bf174f93590ace0fc8fd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga7a9a991cb7837b10ffd44725263de425">AV_DICT_DONT_STRDUP_VAL</a>   8</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Take ownership of a value that's been allocated with <a class="el" href="group__lavu__mem.html#ga9722446c5e310ffedfaac9489864796d" title="Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...">av_malloc()</a> or another memory allocation function. <a href="group__lavu__dict.html#ga7a9a991cb7837b10ffd44725263de425"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga8ed4237acfc3d68484301a5d1859936c">AV_DICT_DONT_OVERWRITE</a>   16</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Don't overwrite existing entries. <a href="group__lavu__dict.html#ga8ed4237acfc3d68484301a5d1859936c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga64018c01d1e8c44d1d8c03dfb099f2c2">AV_DICT_APPEND</a>   32</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If the entry already exists, append to it. <a href="group__lavu__dict.html#ga64018c01d1e8c44d1d8c03dfb099f2c2"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structAVDictionaryEntry.html">AVDictionaryEntry</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#gae67f143237b2cb2936c9b147aa6dfde3">av_dict_get</a> (const <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> *m, const char *key, const <a class="el" href="structAVDictionaryEntry.html">AVDictionaryEntry</a> *prev, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a dictionary entry with matching key. <a href="group__lavu__dict.html#gae67f143237b2cb2936c9b147aa6dfde3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#gad21456d6601aa096c7c78dce8848d50a">av_dict_count</a> (const <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> *m)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get number of entries in dictionary. <a href="group__lavu__dict.html#gad21456d6601aa096c7c78dce8848d50a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga8d9c2de72b310cef8e6a28c9cd3acbbe">av_dict_set</a> (<a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **pm, const char *key, const char *value, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the given entry in *pm, overwriting an existing entry. <a href="group__lavu__dict.html#ga8d9c2de72b310cef8e6a28c9cd3acbbe"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#gafd013a88620b2da7d497b083f6ea7d29">av_dict_set_int</a> (<a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **pm, const char *key, int64_t value, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convenience wrapper for av_dict_set that converts the value to a string and stores it. <a href="group__lavu__dict.html#gafd013a88620b2da7d497b083f6ea7d29"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#gaca5ff7c251e60bd13164d13c82f21b79">av_dict_parse_string</a> (<a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Parse the key/value pairs list and add the parsed entries to a dictionary. <a href="group__lavu__dict.html#gaca5ff7c251e60bd13164d13c82f21b79"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga6dabaab2d8a53674db6ffd5ac8de3d9f">av_dict_copy</a> (<a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **dst, const <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> *src, int flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy entries from one AVDictionary struct into another. <a href="group__lavu__dict.html#ga6dabaab2d8a53674db6ffd5ac8de3d9f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga1bafd682b1fbb90e48a4cc3814b820f7">av_dict_free</a> (<a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> **m)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free all the memory allocated for an AVDictionary struct and all keys and values. <a href="group__lavu__dict.html#ga1bafd682b1fbb90e48a4cc3814b820f7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__dict.html#ga480ab3fb3ac6cae8e60e97f58ec30b66">av_dict_get_string</a> (const <a class="el" href="group__lavu__dict.html#ga1d7cc0833bee918994a600556410315f">AVDictionary</a> *m, char **buffer, const char key_val_sep, const char pairs_sep)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get dictionary entries as a string. <a href="group__lavu__dict.html#ga480ab3fb3ac6cae8e60e97f58ec30b66"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Public dictionary API. </p>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000047">Deprecated:</a></b></dt><dd>AVDictionary is provided for compatibility with libav. It is both in implementation as well as API inefficient. It does not scale and is extremely slow with large dictionaries. It is recommended that new code uses our tree container from tree.c/h where applicable, which uses AVL trees to achieve O(log n) performance. </dd></dl>
<p>Definition in file <a class="el" href="dict_8h_source.html">dict.h</a>.</p>
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