Sophie: libccaudio0.5-0.5.3-1mdk i586

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<hr><h1>audio.h</h1><a href="audio_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">// Copyright (C) 1999-2001 Open Source Telecom Corporation.</font>
00002 <font class="comment">//  </font>
00003 <font class="comment">// This program is free software; you can redistribute it and/or modify</font>
00004 <font class="comment">// it under the terms of the GNU General Public License as published by</font>
00005 <font class="comment">// the Free Software Foundation; either version 2 of the License, or</font>
00006 <font class="comment">// (at your option) any later version.</font>
00007 <font class="comment">// </font>
00008 <font class="comment">// This program is distributed in the hope that it will be useful,</font>
00009 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00010 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</font>
00011 <font class="comment">// GNU General Public License for more details.</font>
00012 <font class="comment">// </font>
00013 <font class="comment">// You should have received a copy of the GNU General Public License</font>
00014 <font class="comment">// along with this program; if not, write to the Free Software </font>
00015 <font class="comment">// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</font>
00016 <font class="comment">// </font>
00017 <font class="comment">// As a special exception to the GNU General Public License, permission is </font>
00018 <font class="comment">// granted for additional uses of the text contained in its release </font>
00019 <font class="comment">// of ccaudio.</font>
00020 <font class="comment">// </font>
00021 <font class="comment">// The exception is that, if you link the ccaudio library with other</font>
00022 <font class="comment">// files to produce an executable, this does not by itself cause the</font>
00023 <font class="comment">// resulting executable to be covered by the GNU General Public License.</font>
00024 <font class="comment">// Your use of that executable is in no way restricted on account of</font>
00025 <font class="comment">// linking the ccaudio library code into it.</font>
00026 <font class="comment">// </font>
00027 <font class="comment">// This exception does not however invalidate any other reasons why</font>
00028 <font class="comment">// the executable file might be covered by the GNU General Public License.</font>
00029 <font class="comment">// </font>
00030 <font class="comment">// This exception applies only to the code released under the </font>
00031 <font class="comment">// name ccaudio.  If you copy code from other releases into a copy of</font>
00032 <font class="comment">// ccaudio, as the General Public License permits, the exception does</font>
00033 <font class="comment">// not apply to the code that you add in this way.  To avoid misleading</font>
00034 <font class="comment">// anyone as to the status of such modified files, you must delete</font>
00035 <font class="comment">// this exception notice from them.</font>
00036 <font class="comment">// </font>
00037 <font class="comment">// If you write modifications of your own for ccaudio, it is your choice</font>
00038 <font class="comment">// whether to permit this exception to apply to your modifications.</font>
00039 <font class="comment">// If you do not wish that, delete this exception notice.  </font>
00040 
00041 <font class="preprocessor">#ifndef __CCXX_AUDIO_H__</font>
00042 <font class="preprocessor"></font><font class="preprocessor">#define __CCXX_AUDIO_H__</font>
00043 <font class="preprocessor"></font>
00044 <font class="preprocessor">#ifndef __EXPORT</font>
00045 <font class="preprocessor"></font><font class="preprocessor">#define __EXPORT</font>
00046 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00047 <font class="preprocessor"></font>
00048 <font class="preprocessor">#ifndef __CCXX_CONFIG_H__</font>
00049 <font class="preprocessor"></font><font class="preprocessor">#include &lt;cc++/config.h&gt;</font>
00050 <font class="preprocessor">#endif</font>
00051 <font class="preprocessor"></font>
00052 <font class="preprocessor">#ifdef  CCXX_NAMESPACES</font>
00053 <font class="preprocessor"></font><font class="keyword">namespace </font>ost {
00054 <font class="preprocessor">#endif</font>
00055 <font class="preprocessor"></font>
<a name="l00056"></a><a class="code" href="audio_8h.html#a52">00056</a> <font class="keyword">typedef</font> <font class="keyword">enum</font>
00057 {
00058         SAMPLE_RATE_UNKNOWN,
00059         SAMPLE_RATE_6KHZ = 6000,
00060         SAMPLE_RATE_8KHZ = 8000,
00061         SAMPLE_RATE_44KHZ = 44100
00062 }       samplerate_t;
00063 
<a name="l00064"></a><a class="code" href="audio_8h.html#a53">00064</a> <font class="keyword">typedef</font> <font class="keyword">enum</font>
00065 {
00066         UNKNOWN_AUDIO_ENCODING = 0,
00067         G721_ADPCM_ENCODING,
00068         G722_AUDIO_ENCODING,
00069         G722_7BIT_ENCODING,
00070         G722_6BIT_ENCODING,
00071         G723_3BIT_ENCODING,
00072         G723_5BIT_ENCODING,
00073         GSM_VOICE_ENCODING,
00074         MULAW_AUDIO_ENCODING,
00075         ALAW_AUDIO_ENCODING,
00076         OKI_ADPCM_ENCODING,
00077         DIALOGIC_ADPCM_ENCODING,
00078         CDA_STEREO_ENCODING,
00079         CDA_MONO_ENCODING,
00080         PCM8_STEREO_ENCODING,
00081         PCM8_AUDIO_ENCODING,
00082         PCM16_STEREO_ENCODING,
00083         PCM16_AUDIO_ENCODING,
00084         PCM32_STEREO_ENCODING,
00085         PCM32_AUDIO_ENCODING
00086 }       audioencoding_t;
00087 
<a name="l00088"></a><a class="code" href="audio_8h.html#a54">00088</a> <font class="keyword">typedef</font> <font class="keyword">enum</font>
00089 {
00090         AUDIO_FORMAT_RAW,
00091         AUDIO_FORMAT_SUN,
00092         AUDIO_FORMAT_RIFF,
00093         AUDIO_FORMAT_WAVE
00094 } audioformat_t;
00095 
<a name="l00096"></a><a class="code" href="audio_8h.html#a55">00096</a> <font class="keyword">typedef</font> <font class="keyword">enum</font>
00097 {
00098         AUDIO_SUCCESS = 0,
00099         AUDIO_READ_LASTFRAME,
00100         AUDIO_NOT_OPENED,
00101         AUDIO_END_OF_FILE,
00102         AUDIO_START_OF_FILE,
00103         AUDIO_RATE_UNSUPPORTED,
00104         AUDIO_ENCODING_UNSUPPORTED,
00105         AUDIO_READ_INTERRUPTED,
00106         AUDIO_WRITE_INTERRUPTED,
00107         AUDIO_READ_FAILURE,
00108         AUDIO_WRITE_FAILURE,
00109         AUDIO_READ_INCOMPLETE,
00110         AUDIO_WRITE_INCOMPLETE,
00111         AUDIO_REQUEST_INVALID,
00112         AUDIO_TOC_FAILED,
00113         AUDIO_STAT_FAILED,
00114         AUDIO_INVALID_TRACK,
00115         AUDIO_PLAYBACK_FAILED,
00116         AUDIO_NOT_PLAYING
00117 } audioerror_t;
00118 
<a name="l00119"></a><a class="code" href="structaudioinfo__t.html">00119</a> <font class="keyword">typedef</font> <font class="keyword">struct</font>
00120 <font class="keyword"></font>{
<a name="l00121"></a><a class="code" href="structaudioinfo__t.html#m0">00121</a>         audioformat_t format;
<a name="l00122"></a><a class="code" href="structaudioinfo__t.html#m1">00122</a>         audioencoding_t encoding;
<a name="l00123"></a><a class="code" href="structaudioinfo__t.html#m2">00123</a>         <font class="keywordtype">unsigned</font> rate;
<a name="l00124"></a><a class="code" href="structaudioinfo__t.html#m3">00124</a>         <font class="keywordtype">unsigned</font> order;
<a name="l00125"></a><a class="code" href="structaudioinfo__t.html#m4">00125</a>         <font class="keywordtype">char</font> *annotation;
00126 }       <a class="code" href="structaudioinfo__t.html">audioinfo_t</a>;
00127 
00128 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">bool</font>) ismono(audioencoding_t encoding);
00129 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">bool</font>) issterio(audioencoding_t encoding);
00130 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(samplerate_t) samplerate(audioencoding_t encoding);
00131 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">int</font>) sampleframe(audioencoding_t encoding, <font class="keywordtype">int</font> samples = 0);
00132 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">int</font>) samplecount(audioencoding_t);
00133 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">unsigned</font>) <font class="keywordtype">long</font> tosamples(audioencoding_t encoding, size_t bytes);
00134 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">unsigned</font>) <font class="keywordtype">long</font> tobytes(audioencoding_t encoding, <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> samples);
00135 <a class="code" href="audio_8h.html#a51">CCXX_EXPORT</a>(<font class="keywordtype">void</font>) samplefill(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *addr, <font class="keywordtype">int</font> samples, audioencoding_t encoding);
00136 
<a name="l00145"></a><a class="code" href="class_audio_file.html">00145</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_audio_file.html">AudioFile</a>
00146 {
00147 <font class="keyword">private</font>:
00148         <font class="keywordtype">char</font> *pathname;
00149         audioerror_t error;
00150         <a class="code" href="structaudioinfo__t.html">audioinfo_t</a> info;
00151         <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> header;           <font class="comment">// offset to start of audio</font>
00152         <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> minimum;          <font class="comment">// minimum sample size required</font>
00153 
00154         <font class="keywordtype">void</font> Initialize(<font class="keywordtype">void</font>);
00155         <font class="keywordtype">void</font> getWaveFormat(<font class="keywordtype">int</font> size);
00156 
00157 <font class="keyword">protected</font>:
00158         <font class="keyword">union</font>
00159 <font class="keyword">        </font>{
<a name="l00160"></a><a class="code" href="class_audio_file.html#n0">00160</a>                 <font class="keywordtype">int</font> fd;
<a name="l00161"></a><a class="code" href="class_audio_file.html#n1">00161</a>                 <font class="keywordtype">void</font> *handle;
00162         } file;
00163 
00164         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> afCreate(<font class="keyword">const</font> <font class="keywordtype">char</font> *path);
00165         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> afOpen(<font class="keyword">const</font> <font class="keywordtype">char</font> *path);
00166         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> afPeek(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> size);
00167         <font class="keyword">virtual</font> <font class="keywordtype">int</font> afRead(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> size);
00168         <font class="keyword">virtual</font> <font class="keywordtype">int</font> afWrite(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> size);
00169         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> afSeek(<font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> pos);
00170         <font class="keyword">virtual</font> <font class="keywordtype">void</font> afClose(<font class="keywordtype">void</font>);
00171 
<a name="l00172"></a><a class="code" href="class_audio_file.html#b7">00172</a>         <font class="keyword">virtual</font> <font class="keywordtype">char</font> *getContinuation(<font class="keywordtype">void</font>)<font class="keyword"></font>
00173 <font class="keyword">                </font>{<font class="keywordflow">return</font> NULL;};
00174 
00175         audioerror_t setError(audioerror_t err);
00176 
00177         <font class="keywordtype">unsigned</font> <font class="keywordtype">short</font> getaushort(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data);
00178         <font class="keywordtype">void</font> setaushort(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> <font class="keywordtype">short</font> value);
00179         <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> getaulong(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data);
00180         <font class="keywordtype">void</font> setaulong(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> value);
00181 
00182 <font class="keyword">public</font>:
00183         AudioFile(<font class="keyword">const</font> <font class="keywordtype">char</font> *fname, <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> samples = 0);
00184         AudioFile(<font class="keyword">const</font> <font class="keywordtype">char</font> *fname, <a class="code" href="structaudioinfo__t.html">audioinfo_t</a> *info, <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> min = 0);
00185 
<a name="l00186"></a><a class="code" href="class_audio_file.html#a2">00186</a>         AudioFile()<font class="keyword"></font>
00187 <font class="keyword">                </font>{Initialize();};
00188 
<a name="l00189"></a><a class="code" href="class_audio_file.html#a3">00189</a>         ~AudioFile()<font class="keyword"></font>
00190 <font class="keyword">                </font>{Close();};
00191 
00192         <font class="keywordtype">void</font> Open(<font class="keyword">const</font> <font class="keywordtype">char</font> *fname);
00193         <font class="keywordtype">void</font> Create(<font class="keyword">const</font> <font class="keywordtype">char</font> *fname, <a class="code" href="structaudioinfo__t.html">audioinfo_t</a> *info);
00194         <font class="keywordtype">void</font> Close(<font class="keywordtype">void</font>);
00195         <font class="keywordtype">int</font> getBuffer(<font class="keywordtype">void</font> *addr, <font class="keywordtype">unsigned</font> len);
00196         <font class="keywordtype">int</font> putBuffer(<font class="keywordtype">void</font> *attr, <font class="keywordtype">unsigned</font> len);        
00197         audioerror_t getSamples(<font class="keywordtype">void</font> *addr, <font class="keywordtype">unsigned</font> samples);
00198         audioerror_t putSamples(<font class="keywordtype">void</font> *addr, <font class="keywordtype">unsigned</font> samples);
00199         audioerror_t Skip(<font class="keywordtype">long</font> samples);
00200         audioerror_t setPosition(<font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> samples = ~0l);
00201         audioerror_t getInfo(<a class="code" href="structaudioinfo__t.html">audioinfo_t</a> *info);
00202         audioerror_t setMinimum(<font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> samples);
00203         <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> getPosition(<font class="keywordtype">void</font>);
00204         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> isOpen(<font class="keywordtype">void</font>);
<a name="l00205"></a><a class="code" href="class_audio_file.html#a17">00205</a>         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> hasPositioning(<font class="keywordtype">void</font>)<font class="keyword"></font>
00206 <font class="keyword">                </font>{<font class="keywordflow">return</font> <font class="keyword">true</font>;};
00207 
<a name="l00208"></a><a class="code" href="class_audio_file.html#a18">00208</a>         <font class="keyword">inline</font> audioencoding_t getEncoding(<font class="keywordtype">void</font>)<font class="keyword"></font>
00209 <font class="keyword">                </font>{<font class="keywordflow">return</font> info.encoding;};
00210 
<a name="l00211"></a><a class="code" href="class_audio_file.html#a19">00211</a>         <font class="keyword">inline</font> audioformat_t getFormat(<font class="keywordtype">void</font>)<font class="keyword"></font>
00212 <font class="keyword">                </font>{<font class="keywordflow">return</font> info.format;};
00213 
<a name="l00214"></a><a class="code" href="class_audio_file.html#a20">00214</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> getSampleRate(<font class="keywordtype">void</font>)<font class="keyword"></font>
00215 <font class="keyword">                </font>{<font class="keywordflow">return</font> info.rate;};
<a name="l00216"></a><a class="code" href="class_audio_file.html#a21">00216</a>         <font class="keyword">inline</font> <font class="keywordtype">char</font> *getAnnotation(<font class="keywordtype">void</font>)<font class="keyword"></font>
00217 <font class="keyword">                </font>{<font class="keywordflow">return</font> info.annotation;};
00218 
<a name="l00219"></a><a class="code" href="class_audio_file.html#a22">00219</a>         <font class="keyword">inline</font> audioerror_t getError(<font class="keywordtype">void</font>)<font class="keyword"></font>
00220 <font class="keyword">                </font>{<font class="keywordflow">return</font> error;};
00221 
<a name="l00222"></a><a class="code" href="class_audio_file.html#a23">00222</a>         <font class="keyword">inline</font> <font class="keywordtype">bool</font> operator!(<font class="keywordtype">void</font>)<font class="keyword"></font>
00223 <font class="keyword">                </font>{<font class="keywordflow">return</font> !isOpen();};
00224 };
00225 
<a name="l00234"></a><a class="code" href="class_c_d_audio.html">00234</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_c_d_audio.html">CDAudio</a>
00235 {
00236 <font class="keyword">private</font>:
00237         <font class="keyword">union</font>
00238 <font class="keyword">        </font>{
00239                 <font class="keywordtype">int</font> fd;
00240         } file;
00241         <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> v0, v1;
00242 <font class="preprocessor">#ifdef  __WIN32__</font>
00243 <font class="preprocessor"></font>        CRITICAL_SECTION crit;
00244         <font class="keywordtype">bool</font> paused;
00245         <font class="keywordtype">bool</font> opened;
00246         <font class="keywordtype">char</font> position[20];
00247         <font class="keywordtype">char</font> endmark[24];
00248         <font class="keywordtype">char</font> ret[256];
00249         DWORD command(<font class="keywordtype">char</font> *fmt, ...);
00250 <font class="preprocessor">#endif</font>
00251 <font class="preprocessor"></font>        audioerror_t err;
00252 
00253 <font class="keyword">public</font>:
00254         CDAudio(<font class="keywordtype">int</font> devnbr = 0);
00255         ~CDAudio();
00256 
00257         audioerror_t Play(<font class="keywordtype">int</font> start, <font class="keywordtype">int</font> end = 0);      
00258         audioerror_t Stop(<font class="keywordtype">void</font>);
00259         audioerror_t Pause(<font class="keywordtype">void</font>);
00260         audioerror_t Resume(<font class="keywordtype">void</font>);
00261         audioerror_t Eject(<font class="keywordtype">void</font>);
00262         audioerror_t Reload(<font class="keywordtype">void</font>);
00263         <font class="keywordtype">int</font> getFirst(<font class="keywordtype">void</font>);
00264         <font class="keywordtype">int</font> getLast(<font class="keywordtype">void</font>);
00265         <font class="keywordtype">bool</font> isPaused(<font class="keywordtype">void</font>);
00266         <font class="keywordtype">bool</font> isAudio(<font class="keywordtype">int</font> track);
00267         <font class="keywordtype">bool</font> isOpen(<font class="keywordtype">void</font>);
00268 
00269         <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> getVolume(<font class="keywordtype">int</font> speaker);
00270         <font class="keywordtype">void</font> setVolume(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> left, <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> right);
00271 
<a name="l00272"></a><a class="code" href="class_c_d_audio.html#a15">00272</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> getVolumeLeft(<font class="keywordtype">void</font>)<font class="keyword"></font>
00273 <font class="keyword">                </font>{<font class="keywordflow">return</font> getVolume(0);};
00274 
<a name="l00275"></a><a class="code" href="class_c_d_audio.html#a16">00275</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> getVolumeRight(<font class="keywordtype">void</font>)<font class="keyword"></font>
00276 <font class="keyword">                </font>{<font class="keywordflow">return</font> getVolume(1);};
00277 
<a name="l00278"></a><a class="code" href="class_c_d_audio.html#a17">00278</a>         <font class="keyword">inline</font> audioerror_t getError(<font class="keywordtype">void</font>)<font class="keyword"></font>
00279 <font class="keyword">                </font>{<font class="keywordflow">return</font> err;};
00280 
<a name="l00281"></a><a class="code" href="class_c_d_audio.html#a18">00281</a>         <font class="keyword">inline</font> <font class="keywordtype">bool</font> operator!(<font class="keywordtype">void</font>)<font class="keyword"></font>
00282 <font class="keyword">                </font>{<font class="keywordflow">return</font> !isOpen();};
00283 };
00284 
<a name="l00291"></a><a class="code" href="class_audio_sample.html">00291</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_audio_sample.html">AudioSample</a>
00292 {
00293 <font class="keyword">protected</font>:
<a name="l00294"></a><a class="code" href="class_audio_sample.html#l0">00294</a>         <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_audio_copy.html">AudioCopy</a>;
00295 
<a name="l00296"></a><a class="code" href="class_audio_sample.html#n0">00296</a>         audioencoding_t encoding;
<a name="l00297"></a><a class="code" href="class_audio_sample.html#n1">00297</a>         <font class="keywordtype">unsigned</font> rate;
<a name="l00298"></a><a class="code" href="class_audio_sample.html#n2">00298</a>         <font class="keywordtype">unsigned</font> count;
<a name="l00299"></a><a class="code" href="class_audio_sample.html#n3">00299</a>         <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *samples;
00300 
00301 <font class="keyword">public</font>:
00302         AudioSample(<font class="keywordtype">unsigned</font> frame, audioencoding_t coding = PCM16_AUDIO_ENCODING, <font class="keywordtype">unsigned</font> rate = 8000);
00303         ~AudioSample();
00304 
<a name="l00305"></a><a class="code" href="class_audio_sample.html#a2">00305</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> getCount(<font class="keywordtype">void</font>)<font class="keyword"></font>
00306 <font class="keyword">                </font>{<font class="keywordflow">return</font> count;};
00307 
<a name="l00308"></a><a class="code" href="class_audio_sample.html#a3">00308</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> getRate(<font class="keywordtype">void</font>)<font class="keyword"></font>
00309 <font class="keyword">                </font>{<font class="keywordflow">return</font> rate;};
00310 
<a name="l00311"></a><a class="code" href="class_audio_sample.html#a4">00311</a>         <font class="keyword">inline</font> audioencoding_t getEncoding(<font class="keywordtype">void</font>)<font class="keyword"></font>
00312 <font class="keyword">                </font>{<font class="keywordflow">return</font> encoding;};
00313 
<a name="l00314"></a><a class="code" href="class_audio_sample.html#a5">00314</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *getSamples(<font class="keywordtype">void</font>)<font class="keyword"></font>
00315 <font class="keyword">                </font>{<font class="keywordflow">return</font> samples;};
00316 };      
00317 
<a name="l00330"></a><a class="code" href="class_audio_codec.html">00330</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_audio_codec.html">AudioCodec</a> : <font class="keyword">public</font> <a class="code" href="class_audio_sample.html">AudioSample</a>
00331 {
00332 <font class="keyword">protected</font>:
00333         AudioCodec(<font class="keywordtype">unsigned</font> frames, audioencoding_t encoding, <font class="keywordtype">unsigned</font> rate);
<a name="l00334"></a><a class="code" href="class_audio_codec.html#n0">00334</a>         <font class="keywordtype">unsigned</font> length;
00335 
00336 <font class="keyword">public</font>:
00344         <font class="keyword">virtual</font> <font class="keywordtype">void</font> Encode(<font class="keywordtype">unsigned</font> <font class="keywordtype">short</font> *buffer, <font class="keywordtype">unsigned</font> samples = 0, <font class="keywordtype">int</font> channel = 0) = 0;
00345 
00353         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> Encode(<a class="code" href="class_audio_sample.html">AudioSample</a> *sample) = 0;
00354 
00362         <font class="keyword">virtual</font> <font class="keywordtype">unsigned</font> Decode(<font class="keywordtype">unsigned</font> <font class="keywordtype">short</font> *buffer, <font class="keywordtype">int</font> channel = 0) = 0;
00363 
00370         <font class="keyword">virtual</font> <font class="keywordtype">bool</font> Decode(<a class="code" href="class_audio_sample.html">AudioSample</a> *sample) = 0;
00371 
00381         <font class="keyword">virtual</font> <font class="keywordtype">unsigned</font> Load(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> length);
00382 
00392         <font class="keyword">virtual</font> <font class="keywordtype">unsigned</font> Save(<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *data, <font class="keywordtype">unsigned</font> length);
00393          
00394 
<a name="l00400"></a><a class="code" href="class_audio_codec.html#a6">00400</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> getLength(<font class="keywordtype">void</font>)<font class="keyword"></font>
00401 <font class="keyword">                </font>{<font class="keywordflow">return</font> length;};       
00402 
00406         <font class="keywordtype">unsigned</font> getFrameSize(<font class="keywordtype">void</font>);
00407 
00411         <font class="keyword">virtual</font> <font class="keywordtype">unsigned</font> getChannels(<font class="keywordtype">void</font>);
00412 };
00413 
<a name="l00423"></a><a class="code" href="class_audio_register_codec.html">00423</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_audio_register_codec.html">AudioRegisterCodec</a>
00424 {
00425 <font class="keyword">private</font>:
00426         <font class="keyword">static</font> <a class="code" href="class_audio_register_codec.html">AudioRegisterCodec</a> *first;
00427         <a class="code" href="class_audio_register_codec.html">AudioRegisterCodec</a> *next;
00428 
00429 <font class="keyword">protected</font>:
<a name="l00430"></a><a class="code" href="class_audio_register_codec.html#n0">00430</a>         <font class="keywordtype">unsigned</font> minframe, framecnt;
00431         AudioRegisterCodec(<font class="keywordtype">unsigned</font> min, <font class="keywordtype">unsigned</font> def = 1);
00432 
00433 <font class="keyword">public</font>:
00439         <font class="keyword">virtual</font> audioencoding_t getEncoding(<font class="keywordtype">void</font>) = 0;
00440 
<a name="l00446"></a><a class="code" href="class_audio_register_codec.html#a1">00446</a>         <font class="keyword">virtual</font> <font class="keywordtype">unsigned</font> getRate(<font class="keywordtype">void</font>)<font class="keyword"></font>
00447 <font class="keyword">                </font>{samplerate(getEncoding());};
00448 
00454         <font class="keyword">virtual</font> <font class="keywordtype">char</font> *getName(<font class="keywordtype">void</font>) = 0;
00455 
00463         <font class="keyword">virtual</font> <a class="code" href="class_audio_codec.html">AudioCodec</a> *getCodec(<font class="keywordtype">unsigned</font> frames) = 0;
00464 
00476         <font class="keyword">virtual</font> <a class="code" href="class_audio_sample.html">AudioSample</a> *getTone(<font class="keywordtype">unsigned</font> f1, <font class="keywordtype">unsigned</font> f2, <font class="keywordtype">unsigned</font> maxsize, <font class="keywordtype">unsigned</font> maxtone = 0) = 0;     
00477 
<a name="l00483"></a><a class="code" href="class_audio_register_codec.html#a5">00483</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> getFrameSize(<font class="keywordtype">void</font>)<font class="keyword"></font>
00484 <font class="keyword">                </font>{<font class="keywordflow">return</font> minframe;};
00485 
<a name="l00492"></a><a class="code" href="class_audio_register_codec.html#a6">00492</a>         <font class="keyword">inline</font> <font class="keywordtype">unsigned</font> getFrameCount(<font class="keywordtype">void</font>)<font class="keyword"></font>
00493 <font class="keyword">                </font>{<font class="keywordflow">return</font> framecnt;};
00494 
00501         <font class="keyword">friend</font> <a class="code" href="class_audio_register_codec.html">AudioRegisterCodec</a> *findCodec(audioencoding_t encoding, <font class="keywordtype">unsigned</font> rate = 0);
00502 
00508         <font class="keyword">friend</font> <a class="code" href="class_audio_register_codec.html">AudioRegisterCodec</a> *findCodec(<font class="keyword">const</font> <font class="keywordtype">char</font> *name);
00509 
00518         <font class="keyword">friend</font> <a class="code" href="class_audio_codec.html">AudioCodec</a> *getCodec(audioencoding_t encoding, <font class="keywordtype">unsigned</font> rate = 0, <font class="keywordtype">unsigned</font> frames = 0);
00519 
00527         <font class="keyword">friend</font> <a class="code" href="class_audio_codec.html">AudioCodec</a> *getCodec(<font class="keyword">const</font> <font class="keywordtype">char</font> *name, <font class="keywordtype">unsigned</font> frame = 0);
00528 };
00529         
<a name="l00538"></a><a class="code" href="class_audio_tone.html">00538</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_audio_tone.html">AudioTone</a> : <font class="keyword">public</font> <a class="code" href="class_audio_sample.html">AudioSample</a>
00539 {
00540 <font class="keyword">protected</font>:
<a name="l00541"></a><a class="code" href="class_audio_tone.html#n3">00541</a>         <font class="keywordtype">double</font> p1, p2, v1, v2, fa1, fa2;
00542 
00543 <font class="keyword">public</font>:
00544         AudioTone(<font class="keywordtype">unsigned</font> size, <font class="keywordtype">unsigned</font> f1 = 0, <font class="keywordtype">unsigned</font> f2 = 0, <font class="keywordtype">unsigned</font> rate = 8000);
00545 
00549         <font class="keywordtype">void</font> Fill(<font class="keywordtype">unsigned</font> max = 0);
00550 
00551         <font class="comment">/*</font>
00552 <font class="comment">         * Set frequency.</font>
00553 <font class="comment">         *</font>
00554 <font class="comment">         * @param f1 first frequency.</font>
00555 <font class="comment">         * @param f2 second frequency.</font>
00556 <font class="comment">         */</font>
00557         <font class="keywordtype">void</font> setFreq(<font class="keywordtype">unsigned</font> f1, <font class="keywordtype">unsigned</font> f2 = 0);
00558 };
00559 
<a name="l00570"></a><a class="code" href="class_audio_copy.html">00570</a> <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_audio_copy.html">AudioCopy</a> : <font class="keyword">public</font> <a class="code" href="class_audio_sample.html">AudioSample</a>
00571 {
00572 <font class="keyword">protected</font>:
<a name="l00573"></a><a class="code" href="class_audio_copy.html#n0">00573</a>         <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *next;
<a name="l00574"></a><a class="code" href="class_audio_copy.html#n1">00574</a>         <font class="keywordtype">unsigned</font> left;
00575 
00576         <font class="keyword">virtual</font> <a class="code" href="class_audio_sample.html">AudioSample</a> *Fill(<font class="keywordtype">void</font>) = 0;
00577 
00578 <font class="keyword">public</font>:
00579         AudioCopy(<font class="keywordtype">unsigned</font> frame, audioencoding_t encoding = PCM16_AUDIO_ENCODING, <font class="keywordtype">unsigned</font> rate = 8000);
00580         <font class="keywordtype">bool</font> Copy(<font class="keywordtype">void</font>);
00581 
<a name="l00582"></a><a class="code" href="class_audio_copy.html#a2">00582</a>         <font class="keyword">inline</font> <font class="keywordtype">bool</font> isEmpty(<font class="keywordtype">void</font>)<font class="keyword"></font>
00583 <font class="keyword">                </font>{<font class="keywordflow">return</font> next == NULL;};
00584 };
00585 
00586 <font class="preprocessor">#ifdef  CCXX_NAMESPACES</font>
00587 <font class="preprocessor"></font>};
00588 <font class="preprocessor">#endif</font>
00589 <font class="preprocessor"></font>
00590 <font class="preprocessor">#endif</font>
00591 <font class="preprocessor"></font>
</pre></div><hr><address><small>Generated at Wed Dec 5 07:19:57 2001 for ccAudio by
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<img src="doxygen.gif" alt="doxygen" align="middle" border=0 
width=110 height=53></a>1.2.10 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>,
 &copy;&nbsp;1997-2001</small></address>
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