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<title>Camstream: CamStream API documentation</title>
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<h1>debug.h</h1><a href="debug_8h.html">Go to the documentation of this file.</a><pre class="fragment"><div>00001 <span class="comment">/* For debugging the various program modules. </span>
00002 <span class="comment"> </span>
00003 <span class="comment"> All variables start with TRACE_; use a level to determine how much is </span>
00004 <span class="comment"> logged; 0 is minimal (or no) logging, higher numbers should log more.</span>
00005 <span class="comment"></span>
00006 <span class="comment"> To enable tracing, #define ENABLE_TRACING in the file that you want to </span>
00007 <span class="comment"> trace, before you include "config.h" or "debug.h".</span>
00008 <span class="comment"> </span>
00009 <span class="comment"> Use the macro like this:</span>
00010 <span class="comment"> </span>
00011 <span class="comment"> Trace(CONFIGFILE, 3, "Opening log file");</span>
00012 <span class="comment"> </span>
00013 <span class="comment"> This message will only be printed if TRACE_CONFIGFILE is >= 3, i.e. very</span>
00014 <span class="comment"> verbose. A newline is automatically appended.</span>
00015 <span class="comment"></span>
00016 <span class="comment"> */</span>
00017
00018 <span class="preprocessor">#ifdef ENABLE_TRACING</span>
00019 <span class="preprocessor"></span><span class="preprocessor">#undef Trace</span>
00020 <span class="preprocessor"></span><span class="preprocessor">#define Trace(what, level, string...) \</span>
00021 <span class="preprocessor"> if (TRACE_##what >= level) { \</span>
00022 <span class="preprocessor"> fprintf(stderr, string); \</span>
00023 <span class="preprocessor"> fprintf(stderr, "\n"); \</span>
00024 <span class="preprocessor"> }</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#else</span>
00026 <span class="preprocessor"></span><span class="preprocessor">#undef Trace</span>
<a name="l00027"></a><a class="code" href="debug_8h.html#a0">00027</a> <span class="preprocessor"></span><span class="preprocessor">#define Trace(what, level, string...) </span><span class="comment">/* nop */</span>
00028 <span class="preprocessor">#endif</span>
00029 <span class="preprocessor"></span>
00030
<a name="l00031"></a><a class="code" href="debug_8h.html#a1">00031</a> <span class="preprocessor">#define TRACE_CONFIGFILE 1</span>
00032 <span class="preprocessor"></span>
<a name="l00033"></a><a class="code" href="debug_8h.html#a2">00033</a> <span class="preprocessor">#define TRACE_PANELREG 1</span>
<a name="l00034"></a><a class="code" href="debug_8h.html#a3">00034</a> <span class="preprocessor"></span><span class="preprocessor">#define TRACE_PANELPOS 1</span>
<a name="l00035"></a><a class="code" href="debug_8h.html#a4">00035</a> <span class="preprocessor"></span><span class="preprocessor">#define TRACE_PANELSIGNALS 1</span>
00036 <span class="preprocessor"></span>
00037 <span class="comment">// CamCanvas.cc</span>
<a name="l00038"></a><a class="code" href="debug_8h.html#a5">00038</a> <span class="preprocessor">#define TRACE_CANVAS_OPEN 1</span>
00039 <span class="preprocessor"></span>
00040 <span class="comment">// VideoCollector.cc</span>
00041 <span class="comment">/* #define TRACE_VIDEOCOLLECTOR 1 */</span>
00042 <span class="preprocessor">#undef TRACE_VIDEOCOLLECTOR</span>
00043 <span class="preprocessor"></span>
00044 <span class="comment">// VideoDevice.cc</span>
00045 <span class="preprocessor">#undef TRACE_VIDEODEV_READ</span>
<a name="l00046"></a><a class="code" href="debug_8h.html#a6">00046</a> <span class="preprocessor"></span><span class="preprocessor">#define TRACE_VIDEODEV_OPEN 1</span>
<a name="l00047"></a><a class="code" href="debug_8h.html#a7">00047</a> <span class="preprocessor"></span><span class="preprocessor">#define TRACE_VIDEODEV_IOCTL 1</span>
00048 <span class="preprocessor"></span>
00049
00050 <span class="comment">/* 'Philips Control' dialog */</span>
<a name="l00051"></a><a class="code" href="debug_8h.html#a8">00051</a> <span class="preprocessor">#define TRACE_PHCONTROL_DLG 2</span>
00052 <span class="preprocessor"></span>
00053 <span class="comment">/* FTP */</span>
<a name="l00054"></a><a class="code" href="debug_8h.html#a9">00054</a> <span class="preprocessor">#define TRACE_FTP 2</span>
00055 <span class="preprocessor"></span>
00056 <span class="comment">/* VideoOptions */</span>
<a name="l00057"></a><a class="code" href="debug_8h.html#a10">00057</a> <span class="preprocessor">#define TRACE_VIDEOOPTIONS 2</span>
</div></pre><hr size="1"><address style="align: right;"><small>Generated on Wed Dec 13 23:38:46 2006 for CamStream by
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<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.7 </small></address>
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