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<h1>high.c</h1><div class="fragment"><pre class="fragment"><span class="comment">/*</span>
<span class="comment"> This shows how to use the high level decoding API to easily decode</span>
<span class="comment"> a Kate stream.</span>
<span class="comment"> For clarity, error checking is omitted.</span>
<span class="comment"> For simplicity, the input is assumed to be a single Kate stream.</span>
<span class="comment"> Usually, Kate streams will be multiplexed with other streams (either</span>
<span class="comment"> other Kate streams, or audio, or video). In these cases, the Ogg</span>
<span class="comment"> part will have to be more complex, but the Kate specific code will</span>
<span class="comment"> be the same.</span>
<span class="comment"> */</span>
<span class="preprocessor">#include <stdio.h></span>
<span class="preprocessor">#include <string.h></span>
<span class="preprocessor">#include <ogg/ogg.h></span>
<span class="preprocessor">#include "common.h"</span>
<span class="comment">/* All the libkate API is available from the main kate header file: */</span>
<span class="preprocessor">#include <<a class="code" href="kate_8h.html">kate/kate.h</a>></span>
<span class="keywordtype">int</span> main()
{
ogg_sync_state oy;
ogg_stream_state os;
<span class="keywordtype">int</span> init=0;
ogg_packet op;
<a name="_a0"></a><a class="code" href="structkate__state.html">kate_state</a> k;
<span class="keyword">const</span> <a name="_a1"></a><a class="code" href="structkate__event.html">kate_event</a> *ev;
<a name="_a2"></a><a class="code" href="structkate__packet.html">kate_packet</a> kp;
<span class="comment">/* for the benefit of windows, which mangles data otherwise */</span>
set_binary_file(stdin);
<span class="comment">/* we initialize ogg and the kate state */</span>
ogg_sync_init(&oy);
<span class="keywordtype">int</span> ret=<a name="a3"></a><a class="code" href="group__high.html#ga810984fb4ec910632c250672d39feee4">kate_high_decode_init</a>(&k);
<span class="comment">/*</span>
<span class="comment"> We then read packets and feed them to the libkate high level API. When</span>
<span class="comment"> kate_high_decode_packetin returns a positive number, this signals the</span>
<span class="comment"> end of the stream.</span>
<span class="comment"> */</span>
<span class="keywordflow">while</span> (1) {
<span class="keywordflow">if</span> (get_packet(&oy,&os,&init,&op)) <span class="keywordflow">break</span>;
<a name="a4"></a><a class="code" href="group__packet.html#ga7c0c2af28df8ea89f5f62e830dc916b1">kate_packet_wrap</a>(&kp,op.bytes,op.packet);
<span class="keywordflow">if</span> (<a name="a5"></a><a class="code" href="group__high.html#ga4c9bac57e090c34e778b6f080cd4df82">kate_high_decode_packetin</a>(&k,&kp,&ev)>0) <span class="keywordflow">break</span>;
<span class="comment">/* if the event is non NULL, we have an event */</span>
<span class="keywordflow">if</span> (ev) {
printf(<span class="stringliteral">"Kate stream has text: %s\n"</span>,ev-><a name="a6"></a><a class="code" href="structkate__event.html#ae10745a5078521816cc07a09654fbfd4">text</a>);
}
}
<span class="comment">/* That's it, we can now cleanup */</span>
ogg_stream_clear(&os);
ogg_sync_clear(&oy);
<a name="a7"></a><a class="code" href="group__high.html#ga8faebcd4839fb5a2bced259f8560f47f">kate_high_decode_clear</a>(&k);
<span class="keywordflow">return</span> 0;
}
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