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<a href="vorbis__parser_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * @file</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * A public API for Vorbis parsing</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * Determines the duration for each packet.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#ifndef AVCODEC_VORBIS_PARSER_H</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span><span class="preprocessor">#define AVCODEC_VORBIS_PARSER_H</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846"> 32</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a> <a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a>;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Allocate and initialize the Vorbis parser using headers in the extradata.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * @param avctx codec context</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * @param s Vorbis parser context</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a> *<a class="code" href="vorbis__parser_8h.html#ae9124f78020f66109fd657ab248d0eee">av_vorbis_parse_init</a>(<span class="keyword">const</span> uint8_t *extradata,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">int</span> extradata_size);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * Free the parser and everything associated with it.</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keywordtype">void</span> <a class="code" href="vorbis__parser_8h.html#a09d3132681826153f26ff5a9ee36a30d">av_vorbis_parse_free</a>(<a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a> **s);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="vorbis__parser_8h.html#a9205506ccac8f073592f93efa841dd29"> 48</a></span> <span class="preprocessor">#define VORBIS_FLAG_HEADER 0x00000001</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="vorbis__parser_8h.html#a837f7868aa92752a2727f6b66d9cf7ea"> 49</a></span> <span class="preprocessor"></span><span class="preprocessor">#define VORBIS_FLAG_COMMENT 0x00000002</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="vorbis__parser_8h.html#a03a79f9bda327495ba1a9ad16574c583"> 50</a></span> <span class="preprocessor"></span><span class="preprocessor">#define VORBIS_FLAG_SETUP 0x00000004</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * Get the duration for a Vorbis packet.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * If @p flags is @c NULL,</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * special frames are considered invalid.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * @param s Vorbis parser context</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * @param buf buffer containing a Vorbis frame</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * @param buf_size size of the buffer</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * @param flags flags for special frames</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">int</span> <a class="code" href="vorbis__parser_8h.html#a1e1b41858faedc564fc7a01b0eb910d9">av_vorbis_parse_frame_flags</a>(<a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a> *s, <span class="keyword">const</span> uint8_t *buf,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span> buf_size, <span class="keywordtype">int</span> *flags);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"></span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * Get the duration for a Vorbis packet.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * @param s Vorbis parser context</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * @param buf buffer containing a Vorbis frame</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * @param buf_size size of the buffer</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">int</span> <a class="code" href="vorbis__parser_8h.html#a38e589e502d8e826a20de786212de7dd">av_vorbis_parse_frame</a>(<a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a> *s, <span class="keyword">const</span> uint8_t *buf,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">int</span> buf_size);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">void</span> <a class="code" href="vorbis__parser_8h.html#aed1dc9b8a89052c3203469e59b390a92">av_vorbis_parse_reset</a>(<a class="code" href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a> *s);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#endif </span><span class="comment">/* AVCODEC_VORBIS_PARSER_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="vorbis__parser_8h_html_ae9124f78020f66109fd657ab248d0eee"><div class="ttname"><a href="vorbis__parser_8h.html#ae9124f78020f66109fd657ab248d0eee">av_vorbis_parse_init</a></div><div class="ttdeci">AVVorbisParseContext * av_vorbis_parse_init(const uint8_t *extradata, int extradata_size)</div><div class="ttdoc">Allocate and initialize the Vorbis parser using headers in the extradata. </div></div>
<div class="ttc" id="vorbis__parser_8h_html_a1e1b41858faedc564fc7a01b0eb910d9"><div class="ttname"><a href="vorbis__parser_8h.html#a1e1b41858faedc564fc7a01b0eb910d9">av_vorbis_parse_frame_flags</a></div><div class="ttdeci">int av_vorbis_parse_frame_flags(AVVorbisParseContext *s, const uint8_t *buf, int buf_size, int *flags)</div><div class="ttdoc">Get the duration for a Vorbis packet. </div></div>
<div class="ttc" id="vorbis__parser_8h_html_a09d3132681826153f26ff5a9ee36a30d"><div class="ttname"><a href="vorbis__parser_8h.html#a09d3132681826153f26ff5a9ee36a30d">av_vorbis_parse_free</a></div><div class="ttdeci">void av_vorbis_parse_free(AVVorbisParseContext **s)</div><div class="ttdoc">Free the parser and everything associated with it. </div></div>
<div class="ttc" id="vorbis__parser_8h_html_afe7b8c3bcf03727e31e1a6bedf4d1846"><div class="ttname"><a href="vorbis__parser_8h.html#afe7b8c3bcf03727e31e1a6bedf4d1846">AVVorbisParseContext</a></div><div class="ttdeci">struct AVVorbisParseContext AVVorbisParseContext</div><div class="ttdef"><b>Definition:</b> <a href="vorbis__parser_8h_source.html#l00032">vorbis_parser.h:32</a></div></div>
<div class="ttc" id="vorbis__parser_8h_html_aed1dc9b8a89052c3203469e59b390a92"><div class="ttname"><a href="vorbis__parser_8h.html#aed1dc9b8a89052c3203469e59b390a92">av_vorbis_parse_reset</a></div><div class="ttdeci">void av_vorbis_parse_reset(AVVorbisParseContext *s)</div></div>
<div class="ttc" id="vorbis__parser_8h_html_a38e589e502d8e826a20de786212de7dd"><div class="ttname"><a href="vorbis__parser_8h.html#a38e589e502d8e826a20de786212de7dd">av_vorbis_parse_frame</a></div><div class="ttdeci">int av_vorbis_parse_frame(AVVorbisParseContext *s, const uint8_t *buf, int buf_size)</div><div class="ttdoc">Get the duration for a Vorbis packet. </div></div>
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