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<title>libkate: high.c</title>
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<div id="projectname">libkate<span id="projectnumber"> 0.4.3</span>
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<div class="headertitle"><div class="title">high.c</div></div>
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<div class="fragment"><div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> This shows how to use the high level decoding API to easily decode</span></div>
<div class="line"><span class="comment"> a Kate stream.</span></div>
<div class="line"><span class="comment"> For clarity, error checking is omitted.</span></div>
<div class="line"><span class="comment"> For simplicity, the input is assumed to be a single Kate stream.</span></div>
<div class="line"><span class="comment"> Usually, Kate streams will be multiplexed with other streams (either</span></div>
<div class="line"><span class="comment"> other Kate streams, or audio, or video). In these cases, the Ogg</span></div>
<div class="line"><span class="comment"> part will have to be more complex, but the Kate specific code will</span></div>
<div class="line"><span class="comment"> be the same.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><span class="preprocessor">#include <string.h></span></div>
<div class="line"><span class="preprocessor">#include <ogg/ogg.h></span></div>
<div class="line"><span class="preprocessor">#include "common.h"</span></div>
<div class="line"> </div>
<div class="line"><span class="comment">/* All the libkate API is available from the main kate header file: */</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include <<a class="code" href="kate_8h.html">kate/kate.h</a>></span></div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> main()</div>
<div class="line">{</div>
<div class="line"> ogg_sync_state oy;</div>
<div class="line"> ogg_stream_state os;</div>
<div class="line"> <span class="keywordtype">int</span> init=0;</div>
<div class="line"> ogg_packet op;</div>
<div class="line"> <a id="_a0" name="_a0"></a><a class="code hl_struct" href="structkate__state.html">kate_state</a> k;</div>
<div class="line"> <span class="keyword">const</span> <a id="_a1" name="_a1"></a><a class="code hl_struct" href="structkate__event.html">kate_event</a> *ev;</div>
<div class="line"> <a id="_a2" name="_a2"></a><a class="code hl_struct" href="structkate__packet.html">kate_packet</a> kp;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* for the benefit of windows, which mangles data otherwise */</span></div>
<div class="line"> set_binary_file(stdin);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* we initialize ogg and the kate state */</span></div>
<div class="line"> ogg_sync_init(&oy);</div>
<div class="line"> <span class="keywordtype">int</span> ret=<a id="a3" name="a3"></a><a class="code hl_function" href="group__high.html#ga810984fb4ec910632c250672d39feee4">kate_high_decode_init</a>(&k);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/*</span></div>
<div class="line"><span class="comment"> We then read packets and feed them to the libkate high level API. When</span></div>
<div class="line"><span class="comment"> kate_high_decode_packetin returns a positive number, this signals the</span></div>
<div class="line"><span class="comment"> end of the stream.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> <span class="keywordflow">while</span> (1) {</div>
<div class="line"> <span class="keywordflow">if</span> (get_packet(&oy,&os,&init,&op)) <span class="keywordflow">break</span>;</div>
<div class="line"> <a id="a4" name="a4"></a><a class="code hl_function" href="group__packet.html#ga7c0c2af28df8ea89f5f62e830dc916b1">kate_packet_wrap</a>(&kp,op.bytes,op.packet);</div>
<div class="line"> <span class="keywordflow">if</span> (<a id="a5" name="a5"></a><a class="code hl_function" href="group__high.html#ga4c9bac57e090c34e778b6f080cd4df82">kate_high_decode_packetin</a>(&k,&kp,&ev)>0) <span class="keywordflow">break</span>;</div>
<div class="line"> <span class="comment">/* if the event is non NULL, we have an event */</span></div>
<div class="line"> <span class="keywordflow">if</span> (ev) {</div>
<div class="line"> printf(<span class="stringliteral">"Kate stream has text: %s\n"</span>,ev-><a id="a6" name="a6"></a><a class="code hl_variable" href="structkate__event.html#ae10745a5078521816cc07a09654fbfd4">text</a>);</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* That's it, we can now cleanup */</span></div>
<div class="line"> ogg_stream_clear(&os);</div>
<div class="line"> ogg_sync_clear(&oy);</div>
<div class="line"> </div>
<div class="line"> <a id="a7" name="a7"></a><a class="code hl_function" href="group__high.html#ga8faebcd4839fb5a2bced259f8560f47f">kate_high_decode_clear</a>(&k);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="ttc" id="agroup__high_html_ga4c9bac57e090c34e778b6f080cd4df82"><div class="ttname"><a href="group__high.html#ga4c9bac57e090c34e778b6f080cd4df82">kate_high_decode_packetin</a></div><div class="ttdeci">int kate_high_decode_packetin(kate_state *k, kate_packet *kp, kate_const kate_event **ev)</div><div class="ttdef"><b>Definition:</b> kate_high.c:85</div></div>
<div class="ttc" id="agroup__high_html_ga810984fb4ec910632c250672d39feee4"><div class="ttname"><a href="group__high.html#ga810984fb4ec910632c250672d39feee4">kate_high_decode_init</a></div><div class="ttdeci">int kate_high_decode_init(kate_state *k)</div><div class="ttdef"><b>Definition:</b> kate_high.c:27</div></div>
<div class="ttc" id="agroup__high_html_ga8faebcd4839fb5a2bced259f8560f47f"><div class="ttname"><a href="group__high.html#ga8faebcd4839fb5a2bced259f8560f47f">kate_high_decode_clear</a></div><div class="ttdeci">int kate_high_decode_clear(kate_state *k)</div><div class="ttdef"><b>Definition:</b> kate_high.c:123</div></div>
<div class="ttc" id="agroup__packet_html_ga7c0c2af28df8ea89f5f62e830dc916b1"><div class="ttname"><a href="group__packet.html#ga7c0c2af28df8ea89f5f62e830dc916b1">kate_packet_wrap</a></div><div class="ttdeci">int kate_packet_wrap(kate_packet *kp, size_t nbytes, const void *data)</div><div class="ttdef"><b>Definition:</b> kate_packet.c:30</div></div>
<div class="ttc" id="akate_8h_html"><div class="ttname"><a href="kate_8h.html">kate.h</a></div></div>
<div class="ttc" id="astructkate__event_html"><div class="ttname"><a href="structkate__event.html">kate_event</a></div><div class="ttdef"><b>Definition:</b> kate.h:358</div></div>
<div class="ttc" id="astructkate__event_html_ae10745a5078521816cc07a09654fbfd4"><div class="ttname"><a href="structkate__event.html#ae10745a5078521816cc07a09654fbfd4">kate_event::text</a></div><div class="ttdeci">kate_const char * text</div><div class="ttdef"><b>Definition:</b> kate.h:371</div></div>
<div class="ttc" id="astructkate__packet_html"><div class="ttname"><a href="structkate__packet.html">kate_packet</a></div><div class="ttdef"><b>Definition:</b> kate.h:526</div></div>
<div class="ttc" id="astructkate__state_html"><div class="ttname"><a href="structkate__state.html">kate_state</a></div><div class="ttdef"><b>Definition:</b> kate.h:336</div></div>
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