falkTX
/
rtaudio
mirror of https://github.com/falkTX/rtaudio
1
0
Fork 0
Code Releases 27 Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
10 Commits
5 Branches
3.1MB
Tree: 1a463dd3e6
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '1a463dd3e6'
${ noResults }
rtaudio/doc/html/RtAudio_8h-source.html

337 lines
22KB
Raw Blame History 

  1. <HTML>

  2. <HEAD>

  3. <TITLE>The RtAudio Tutorial</TITLE>

  4. <LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">

  5. </HEAD>

  6. <BODY BGCOLOR="#FFFFFF">

  7. <CENTER>

  8. <a class="qindex" href="index.html">Tutorial</a> &nbsp; <a class="qindex" href="annotated.html">Class/Enum List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; </CENTER>

  9. <HR>

  10. <!-- Generated by Doxygen 1.2.8.1 -->

  11. <h1>RtAudio.h</h1><div class="fragment"><pre>00001 <font class="comment">/************************************************************************/</font>

  12. 00038 <font class="comment">/************************************************************************/</font>

  13. 00039 

  14. 00040 <font class="preprocessor">#if !defined(__RTAUDIO_H)</font>

  15. 00041 <font class="preprocessor"></font><font class="preprocessor">#define __RTAUDIO_H</font>

  16. 00042 <font class="preprocessor"></font>

  17. 00043 <font class="preprocessor">#include &lt;map&gt;</font>

  18. 00044 

  19. 00045 <font class="preprocessor">#if defined(__LINUX_ALSA__)</font>

  20. 00046 <font class="preprocessor"></font><font class="preprocessor">  #include &lt;alsa/asoundlib.h&gt;</font>

  21. 00047 <font class="preprocessor">  #include &lt;pthread.h&gt;</font>

  22. 00048 <font class="preprocessor">  #include &lt;unistd.h&gt;</font>

  23. 00049 

  24. 00050   <font class="keyword">typedef</font> snd_pcm_t *AUDIO_HANDLE;

  25. 00051   <font class="keyword">typedef</font> <font class="keywordtype">int</font> DEVICE_ID;

  26. 00052   <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;

  27. 00053   <font class="keyword">typedef</font> pthread_mutex_t MUTEX;

  28. 00054 

  29. 00055 <font class="preprocessor">#elif defined(__LINUX_OSS__)</font>

  30. 00056 <font class="preprocessor"></font><font class="preprocessor">  #include &lt;pthread.h&gt;</font>

  31. 00057 <font class="preprocessor">  #include &lt;unistd.h&gt;</font>

  32. 00058 

  33. 00059   <font class="keyword">typedef</font> <font class="keywordtype">int</font> AUDIO_HANDLE;

  34. 00060   <font class="keyword">typedef</font> <font class="keywordtype">int</font> DEVICE_ID;

  35. 00061   <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;

  36. 00062   <font class="keyword">typedef</font> pthread_mutex_t MUTEX;

  37. 00063 

  38. 00064 <font class="preprocessor">#elif defined(__WINDOWS_DS__)</font>

  39. 00065 <font class="preprocessor"></font><font class="preprocessor">  #include &lt;windows.h&gt;</font>

  40. 00066 <font class="preprocessor">  #include &lt;process.h&gt;</font>

  41. 00067 

  42. 00068   <font class="comment">// The following struct is used to hold the extra variables</font>

  43. 00069   <font class="comment">// specific to the DirectSound implementation.</font>

  44. 00070   <font class="keyword">typedef</font> <font class="keyword">struct </font>{

  45. 00071     <font class="keywordtype">void</font> * object;

  46. 00072     <font class="keywordtype">void</font> * buffer;

  47. 00073     UINT bufferPointer;

  48. 00074   } AUDIO_HANDLE;

  49. 00075 

  50. 00076   <font class="keyword">typedef</font> LPGUID DEVICE_ID;

  51. 00077   <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> THREAD_HANDLE;

  52. 00078   <font class="keyword">typedef</font> CRITICAL_SECTION MUTEX;

  53. 00079 

  54. 00080 <font class="preprocessor">#elif defined(__WINDOWS_ASIO__)</font>

  55. 00081 <font class="preprocessor"></font><font class="preprocessor">  #include &lt;windows.h&gt;</font>

  56. 00082 <font class="preprocessor">  #include &lt;process.h&gt;</font>

  57. 00083 

  58. 00084   <font class="keyword">typedef</font> <font class="keywordtype">int</font> AUDIO_HANDLE;

  59. 00085   <font class="keyword">typedef</font> <font class="keywordtype">int</font> DEVICE_ID;

  60. 00086   <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> THREAD_HANDLE;

  61. 00087   <font class="keyword">typedef</font> CRITICAL_SECTION MUTEX;

  62. 00088 

  63. 00089 <font class="preprocessor">#elif defined(__IRIX_AL__)</font>

  64. 00090 <font class="preprocessor"></font><font class="preprocessor">  #include &lt;dmedia/audio.h&gt;</font>

  65. 00091 <font class="preprocessor">  #include &lt;pthread.h&gt;</font>

  66. 00092 <font class="preprocessor">  #include &lt;unistd.h&gt;</font>

  67. 00093 

  68. 00094   <font class="keyword">typedef</font> ALport AUDIO_HANDLE;

  69. 00095   <font class="keyword">typedef</font> <font class="keywordtype">long</font> DEVICE_ID;

  70. 00096   <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;

  71. 00097   <font class="keyword">typedef</font> pthread_mutex_t MUTEX;

  72. 00098 

  73. 00099 <font class="preprocessor">#elif defined(__MACOSX_CORE__)</font>

  74. 00100 <font class="preprocessor"></font>

  75. 00101 <font class="preprocessor">  #include &lt;CoreServices/CoreServices.h&gt;</font>

  76. 00102 <font class="preprocessor">  #include &lt;CoreAudio/AudioHardware.h&gt;</font>

  77. 00103 <font class="preprocessor">  #include &lt;pthread.h&gt;</font>

  78. 00104 

  79. 00105   <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> AUDIO_HANDLE;

  80. 00106   <font class="keyword">typedef</font> AudioDeviceID DEVICE_ID;

  81. 00107   <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;

  82. 00108   <font class="keyword">typedef</font> pthread_mutex_t MUTEX;

  83. 00109 

  84. 00110 <font class="preprocessor">#endif</font>

  85. 00111 <font class="preprocessor"></font>

  86. 00112 

  87. 00113 <font class="comment">/************************************************************************/</font>

  88. 00126 <font class="comment">/************************************************************************/</font>

  89. 00127 

  90. 00128 <font class="keyword">class </font><a class="code" href="classRtError.html">RtError</a>

  91. 00129 {

  92. 00130 <font class="keyword">public</font>:

  93. <a name="l00132"></a><a class="code" href="classRtError.html#s11">00132</a>   <font class="keyword">enum</font> TYPE {

  94. 00133     WARNING,

  95. 00134     DEBUG_WARNING,

  96. 00135     UNSPECIFIED,

  97. 00136     NO_DEVICES_FOUND,

  98. 00137     INVALID_DEVICE,

  99. 00138     INVALID_STREAM,

  100. 00139     MEMORY_ERROR,

  101. 00140     INVALID_PARAMETER,

  102. 00141     DRIVER_ERROR,

  103. 00142     SYSTEM_ERROR,

  104. 00143     THREAD_ERROR

  105. 00144   };

  106. 00145 

  107. 00146 <font class="keyword">protected</font>:

  108. 00147   <font class="keywordtype">char</font> error_message[256];

  109. 00148   TYPE type;

  110. 00149 

  111. 00150 <font class="keyword">public</font>:

  112. 00152   <a class="code" href="classRtError.html#a0">RtError</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *p, TYPE tipe = RtError::UNSPECIFIED);

  113. 00153 

  114. 00155   <font class="keyword">virtual</font> <a class="code" href="classRtError.html#a1">~RtError</a>(<font class="keywordtype">void</font>);

  115. 00156 

  116. 00158   <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classRtError.html#a2">printMessage</a>(<font class="keywordtype">void</font>);

  117. 00159 

  118. <a name="l00161"></a><a class="code" href="classRtError.html#a3">00161</a>   <font class="keyword">virtual</font> <font class="keyword">const</font> TYPE&amp; <a class="code" href="classRtError.html#a3">getType</a>(<font class="keywordtype">void</font>)<font class="keyword"> </font>{ <font class="keywordflow">return</font> type; }

  119. 00162 

  120. <a name="l00164"></a><a class="code" href="classRtError.html#a4">00164</a>   <font class="keyword">virtual</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="classRtError.html#a4">getMessage</a>(<font class="keywordtype">void</font>)<font class="keyword"> </font>{ <font class="keywordflow">return</font> error_message; }

  121. 00165 };

  122. 00166 

  123. 00167 

  124. 00168 <font class="comment">// This public structure type is used to pass callback information</font>

  125. 00169 <font class="comment">// between the private RtAudio stream structure and global callback</font>

  126. 00170 <font class="comment">// handling functions.</font>

  127. 00171 <font class="keyword">typedef</font> <font class="keyword">struct </font>{

  128. 00172   <font class="keywordtype">void</font> *object;  <font class="comment">// Used as a "this" pointer.</font>

  129. 00173   <font class="keywordtype">int</font> streamId;

  130. 00174   DEVICE_ID device[2];

  131. 00175   THREAD_HANDLE thread;

  132. 00176   <font class="keywordtype">void</font> *callback;

  133. 00177   <font class="keywordtype">void</font> *buffers;

  134. 00178   <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> waitTime;

  135. 00179   <font class="keywordtype">bool</font> blockTick;

  136. 00180   <font class="keywordtype">bool</font> stopStream;

  137. 00181   <font class="keywordtype">bool</font> usingCallback;

  138. 00182   <font class="keywordtype">void</font> *userData;

  139. 00183 } CALLBACK_INFO;

  140. 00184 

  141. 00185 

  142. 00186 <font class="comment">// *************************************************** //</font>

  143. 00187 <font class="comment">//</font>

  144. 00188 <font class="comment">// RtAudio class declaration.</font>

  145. 00189 <font class="comment">//</font>

  146. 00190 <font class="comment">// *************************************************** //</font>

  147. 00191 

  148. 00192 <font class="keyword">class </font><a class="code" href="classRtAudio.html">RtAudio</a>

  149. 00193 {

  150. 00194 <font class="keyword">public</font>:

  151. 00195 

  152. 00196   <font class="comment">// Support for signed integers and floats.  Audio data fed to/from</font>

  153. 00197   <font class="comment">// the tickStream() routine is assumed to ALWAYS be in host</font>

  154. 00198   <font class="comment">// byte order.  The internal routines will automatically take care of</font>

  155. 00199   <font class="comment">// any necessary byte-swapping between the host format and the</font>

  156. 00200   <font class="comment">// soundcard.  Thus, endian-ness is not a concern in the following</font>

  157. 00201   <font class="comment">// format definitions.</font>

  158. 00202   <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> RTAUDIO_FORMAT;

  159. <a name="l00203"></a><a class="code" href="classRtAudio.html#p0">00203</a>   <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT8; 

  160. <a name="l00204"></a><a class="code" href="classRtAudio.html#p1">00204</a>   <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT16; 

  161. <a name="l00205"></a><a class="code" href="classRtAudio.html#p2">00205</a>   <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT24; 

  162. <a name="l00206"></a><a class="code" href="classRtAudio.html#p3">00206</a>   <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT32; 

  163. <a name="l00207"></a><a class="code" href="classRtAudio.html#p4">00207</a>   <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_FLOAT32; 

  164. <a name="l00208"></a><a class="code" href="classRtAudio.html#p5">00208</a>   <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_FLOAT64; 

  165. 00210   <font class="comment">//static const int MAX_SAMPLE_RATES = 14;</font>

  166. 00211   <font class="keyword">enum</font> { MAX_SAMPLE_RATES = 14 };

  167. 00212 

  168. 00213   <font class="keyword">typedef</font> int (*RTAUDIO_CALLBACK)(<font class="keywordtype">char</font> *buffer, <font class="keywordtype">int</font> bufferSize, <font class="keywordtype">void</font> *userData);

  169. 00214 

  170. <a name="l00216"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html">00216</a>   <font class="keyword">typedef</font> <font class="keyword">struct </font>{

  171. <a name="l00217"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m0">00217</a>     <font class="keywordtype">char</font> name[128];    

  172. 00218     DEVICE_ID id[2];  <font class="comment">/* No value reported by getDeviceInfo(). */</font>

  173. <a name="l00219"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m2">00219</a>     <font class="keywordtype">bool</font> probed;       

  174. <a name="l00220"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m3">00220</a>     <font class="keywordtype">int</font> maxOutputChannels; 

  175. <a name="l00221"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m4">00221</a>     <font class="keywordtype">int</font> maxInputChannels;  

  176. <a name="l00222"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m5">00222</a>     <font class="keywordtype">int</font> maxDuplexChannels; 

  177. <a name="l00223"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m6">00223</a>     <font class="keywordtype">int</font> minOutputChannels; 

  178. <a name="l00224"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m7">00224</a>     <font class="keywordtype">int</font> minInputChannels;  

  179. <a name="l00225"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m8">00225</a>     <font class="keywordtype">int</font> minDuplexChannels; 

  180. <a name="l00226"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m9">00226</a>     <font class="keywordtype">bool</font> hasDuplexSupport; 

  181. <a name="l00227"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m10">00227</a>     <font class="keywordtype">bool</font> isDefault;        

  182. <a name="l00228"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m11">00228</a>     <font class="keywordtype">int</font> nSampleRates;      

  183. <a name="l00229"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m12">00229</a>     <font class="keywordtype">int</font> sampleRates[MAX_SAMPLE_RATES]; 

  184. <a name="l00230"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m13">00230</a>     RTAUDIO_FORMAT nativeFormats;     

  185. 00231   } RTAUDIO_DEVICE;

  186. 00232 

  187. 00234 

  188. 00240   <a class="code" href="classRtAudio.html#a0">RtAudio</a>();

  189. 00241 

  190. 00243 

  191. 00254   <a class="code" href="classRtAudio.html#a0">RtAudio</a>(<font class="keywordtype">int</font> *streamId,

  192. 00255           <font class="keywordtype">int</font> outputDevice, <font class="keywordtype">int</font> outputChannels,

  193. 00256           <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels,

  194. 00257           RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate,

  195. 00258           <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers);

  196. 00259 

  197. 00261 

  198. 00265   <a class="code" href="classRtAudio.html#a2">~RtAudio</a>();

  199. 00266 

  200. 00268 

  201. 00295   <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a3">openStream</a>(<font class="keywordtype">int</font> outputDevice, <font class="keywordtype">int</font> outputChannels,

  202. 00296                  <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels,

  203. 00297                  RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate,

  204. 00298                  <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers);

  205. 00299 

  206. 00301 

  207. 00320   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a4">setStreamCallback</a>(<font class="keywordtype">int</font> streamId, RTAUDIO_CALLBACK callback, <font class="keywordtype">void</font> *userData);

  208. 00321 

  209. 00323 

  210. 00330   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a5">cancelStreamCallback</a>(<font class="keywordtype">int</font> streamId);

  211. 00331 

  212. 00333   <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a6">getDeviceCount</a>(<font class="keywordtype">void</font>);

  213. 00334 

  214. 00336 

  215. 00344   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a7">getDeviceInfo</a>(<font class="keywordtype">int</font> device, RTAUDIO_DEVICE *info);

  216. 00345 

  217. 00347 

  218. 00352   <font class="keywordtype">char</font> * <font class="keyword">const</font> <a class="code" href="classRtAudio.html#a8">getStreamBuffer</a>(<font class="keywordtype">int</font> streamId);

  219. 00353 

  220. 00355 

  221. 00360   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a9">tickStream</a>(<font class="keywordtype">int</font> streamId);

  222. 00361 

  223. 00363 

  224. 00367   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a10">closeStream</a>(<font class="keywordtype">int</font> streamId);

  225. 00368 

  226. 00370 

  227. 00374   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a11">startStream</a>(<font class="keywordtype">int</font> streamId);

  228. 00375 

  229. 00377 

  230. 00381   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a12">stopStream</a>(<font class="keywordtype">int</font> streamId);

  231. 00382 

  232. 00384 

  233. 00388   <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a13">abortStream</a>(<font class="keywordtype">int</font> streamId);

  234. 00389 

  235. 00391 

  236. 00396   <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a14">streamWillBlock</a>(<font class="keywordtype">int</font> streamId);

  237. 00397 

  238. 00398 <font class="preprocessor">#if (defined(__MACOSX_CORE__) || defined(__WINDOWS_ASIO__))</font>

  239. 00399 <font class="preprocessor"></font>  <font class="comment">// This function is intended for internal use only.  It must be</font>

  240. 00400   <font class="comment">// public because it is called by the internal callback handler,</font>

  241. 00401   <font class="comment">// which is not a member of RtAudio.  External use of this function</font>

  242. 00402   <font class="comment">// will most likely produce highly undesireable results!</font>

  243. 00403   <font class="keywordtype">void</font> callbackEvent(<font class="keywordtype">int</font> streamId, DEVICE_ID deviceId, <font class="keywordtype">void</font> *inData, <font class="keywordtype">void</font> *outData);

  244. 00404 <font class="preprocessor">#endif</font>

  245. 00405 <font class="preprocessor"></font>

  246. 00406 <font class="keyword">protected</font>:

  247. 00407 

  248. 00408 <font class="keyword">private</font>:

  249. 00409 

  250. 00410   <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> SAMPLE_RATES[MAX_SAMPLE_RATES];

  251. 00411 

  252. 00412   <font class="keyword">enum</font> { FAILURE, SUCCESS };

  253. 00413 

  254. 00414   <font class="keyword">enum</font> STREAM_MODE {

  255. 00415     OUTPUT,

  256. 00416     INPUT,

  257. 00417     DUPLEX,

  258. 00418     UNINITIALIZED = -75

  259. 00419   };

  260. 00420 

  261. 00421   <font class="keyword">enum</font> STREAM_STATE {

  262. 00422     STREAM_STOPPED,

  263. 00423     STREAM_RUNNING

  264. 00424   };

  265. 00425 

  266. 00426   <font class="keyword">typedef</font> <font class="keyword">struct </font>{

  267. 00427     <font class="keywordtype">int</font> device[2];          <font class="comment">// Playback and record, respectively.</font>

  268. 00428     STREAM_MODE mode;       <font class="comment">// OUTPUT, INPUT, or DUPLEX.</font>

  269. 00429     AUDIO_HANDLE handle[2]; <font class="comment">// Playback and record handles, respectively.</font>

  270. 00430     STREAM_STATE state;     <font class="comment">// STOPPED or RUNNING</font>

  271. 00431     <font class="keywordtype">char</font> *userBuffer;

  272. 00432     <font class="keywordtype">char</font> *deviceBuffer;

  273. 00433     <font class="keywordtype">bool</font> doConvertBuffer[2]; <font class="comment">// Playback and record, respectively.</font>

  274. 00434     <font class="keywordtype">bool</font> deInterleave[2];    <font class="comment">// Playback and record, respectively.</font>

  275. 00435     <font class="keywordtype">bool</font> doByteSwap[2];      <font class="comment">// Playback and record, respectively.</font>

  276. 00436     <font class="keywordtype">int</font> sampleRate;

  277. 00437     <font class="keywordtype">int</font> bufferSize;

  278. 00438     <font class="keywordtype">int</font> nBuffers;

  279. 00439     <font class="keywordtype">int</font> nUserChannels[2];    <font class="comment">// Playback and record, respectively.</font>

  280. 00440     <font class="keywordtype">int</font> nDeviceChannels[2];  <font class="comment">// Playback and record channels, respectively.</font>

  281. 00441     RTAUDIO_FORMAT userFormat;

  282. 00442     RTAUDIO_FORMAT deviceFormat[2]; <font class="comment">// Playback and record, respectively.</font>

  283. 00443     MUTEX mutex;

  284. 00444     CALLBACK_INFO callbackInfo;

  285. 00445   } RTAUDIO_STREAM;

  286. 00446 

  287. 00447   <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">short</font> INT16;

  288. 00448   <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">int</font> INT32;

  289. 00449   <font class="keyword">typedef</font> <font class="keywordtype">float</font> FLOAT32;

  290. 00450   <font class="keyword">typedef</font> <font class="keywordtype">double</font> FLOAT64;

  291. 00451 

  292. 00452   <font class="keywordtype">char</font> message[256];

  293. 00453   <font class="keywordtype">int</font> nDevices;

  294. 00454   RTAUDIO_DEVICE *devices;

  295. 00455 

  296. 00456   std::map&lt;int, void *&gt; streams;

  297. 00457 

  298. 00459   <font class="keywordtype">void</font> error(RtError::TYPE type);

  299. 00460 

  300. 00465   <font class="keywordtype">void</font> initialize(<font class="keywordtype">void</font>);

  301. 00466 

  302. 00471   <font class="keywordtype">int</font> getDefaultInputDevice(<font class="keywordtype">void</font>);

  303. 00472 

  304. 00477   <font class="keywordtype">int</font> getDefaultOutputDevice(<font class="keywordtype">void</font>);

  305. 00478 

  306. 00480   <font class="keywordtype">void</font> clearDeviceInfo(RTAUDIO_DEVICE *info);

  307. 00481 

  308. 00489   <font class="keywordtype">void</font> probeDeviceInfo(RTAUDIO_DEVICE *info);

  309. 00490 

  310. 00497   <font class="keywordtype">bool</font> probeDeviceOpen(<font class="keywordtype">int</font> device, RTAUDIO_STREAM *stream,

  311. 00498                        STREAM_MODE mode, <font class="keywordtype">int</font> channels, 

  312. 00499                        <font class="keywordtype">int</font> sampleRate, RTAUDIO_FORMAT format,

  313. 00500                        <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers);

  314. 00501 

  315. 00508   <font class="keywordtype">void</font> *verifyStream(<font class="keywordtype">int</font> streamId);

  316. 00509 

  317. 00514   <font class="keywordtype">void</font> convertStreamBuffer(RTAUDIO_STREAM *stream, STREAM_MODE mode);

  318. 00515 

  319. 00517   <font class="keywordtype">void</font> byteSwapBuffer(<font class="keywordtype">char</font> *buffer, <font class="keywordtype">int</font> samples, RTAUDIO_FORMAT format);

  320. 00518 

  321. 00520   <font class="keywordtype">int</font> formatBytes(RTAUDIO_FORMAT format);

  322. 00521 };

  323. 00522 

  324. 00523 <font class="comment">// Define the following flag to have extra information spewed to stderr.</font>

  325. 00524 <font class="comment">//#define __RTAUDIO_DEBUG__</font>

  326. 00525 

  327. 00526 <font class="preprocessor">#endif</font>

  328. </font></pre></div><HR>

  329. 

  330. <table><tr><td><img src="../images/ccrma.gif">

  331.   <td>&copy;2001-2002 Gary P. Scavone, CCRMA, Stanford University. All Rights Reserved.<br>

  332.   Maintained by Gary P. Scavone, <a href="mailto:gary@ccrma.stanford.edu">gary@ccrma.stanford.edu</a><P>

  333. </table>

  334. 

  335. </BODY>

  336. </HTML>