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Diffstat (limited to 'doc/html/RtAudio_8h-source.html')
| -rw-r--r-- | doc/html/RtAudio_8h-source.html | 501 |
1 files changed, 250 insertions, 251 deletions
diff --git a/doc/html/RtAudio_8h-source.html b/doc/html/RtAudio_8h-source.html index 1b99c73..ffe382d 100644 --- a/doc/html/RtAudio_8h-source.html +++ b/doc/html/RtAudio_8h-source.html @@ -72,259 +72,258 @@ 00098 00099 <font class="preprocessor">#elif defined(__MACOSX_CORE__)</font> 00100 <font class="preprocessor"></font> -00101 <font class="preprocessor"> #include <CoreServices/CoreServices.h></font> -00102 <font class="preprocessor"> #include <CoreAudio/AudioHardware.h></font> -00103 <font class="preprocessor"> #include <pthread.h></font> -00104 -00105 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> AUDIO_HANDLE; -00106 <font class="keyword">typedef</font> AudioDeviceID DEVICE_ID; -00107 <font class="keyword">typedef</font> pthread_t THREAD_HANDLE; -00108 <font class="keyword">typedef</font> pthread_mutex_t MUTEX; -00109 -00110 <font class="preprocessor">#endif</font> -00111 <font class="preprocessor"></font> -00112 -00113 <font class="comment">/************************************************************************/</font> -00126 <font class="comment">/************************************************************************/</font> -00127 -00128 <font class="keyword">class </font><a class="code" href="classRtError.html">RtError</a> -00129 { -00130 <font class="keyword">public</font>: -<a name="l00132"></a><a class="code" href="classRtError.html#s11">00132</a> <font class="keyword">enum</font> TYPE { -00133 WARNING, -00134 DEBUG_WARNING, -00135 UNSPECIFIED, -00136 NO_DEVICES_FOUND, -00137 INVALID_DEVICE, -00138 INVALID_STREAM, -00139 MEMORY_ERROR, -00140 INVALID_PARAMETER, -00141 DRIVER_ERROR, -00142 SYSTEM_ERROR, -00143 THREAD_ERROR -00144 }; -00145 -00146 <font class="keyword">protected</font>: -00147 <font class="keywordtype">char</font> error_message[256]; -00148 TYPE type; -00149 -00150 <font class="keyword">public</font>: -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); -00153 -00155 <font class="keyword">virtual</font> <a class="code" href="classRtError.html#a1">~RtError</a>(<font class="keywordtype">void</font>); -00156 -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>); -00159 -<a name="l00161"></a><a class="code" href="classRtError.html#a3">00161</a> <font class="keyword">virtual</font> <font class="keyword">const</font> TYPE& <a class="code" href="classRtError.html#a3">getType</a>(<font class="keywordtype">void</font>)<font class="keyword"> </font>{ <font class="keywordflow">return</font> type; } -00162 -<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; } -00165 }; +00101 <font class="preprocessor"> #include <CoreAudio/AudioHardware.h></font> +00102 <font class="preprocessor"> #include <pthread.h></font> +00103 +00104 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> AUDIO_HANDLE; +00105 <font class="keyword">typedef</font> AudioDeviceID DEVICE_ID; +00106 <font class="keyword">typedef</font> pthread_t THREAD_HANDLE; +00107 <font class="keyword">typedef</font> pthread_mutex_t MUTEX; +00108 +00109 <font class="preprocessor">#endif</font> +00110 <font class="preprocessor"></font> +00111 +00112 <font class="comment">/************************************************************************/</font> +00125 <font class="comment">/************************************************************************/</font> +00126 +00127 <font class="keyword">class </font><a class="code" href="classRtError.html">RtError</a> +00128 { +00129 <font class="keyword">public</font>: +<a name="l00131"></a><a class="code" href="classRtError.html#s11">00131</a> <font class="keyword">enum</font> TYPE { +00132 WARNING, +00133 DEBUG_WARNING, +00134 UNSPECIFIED, +00135 NO_DEVICES_FOUND, +00136 INVALID_DEVICE, +00137 INVALID_STREAM, +00138 MEMORY_ERROR, +00139 INVALID_PARAMETER, +00140 DRIVER_ERROR, +00141 SYSTEM_ERROR, +00142 THREAD_ERROR +00143 }; +00144 +00145 <font class="keyword">protected</font>: +00146 <font class="keywordtype">char</font> error_message[256]; +00147 TYPE type; +00148 +00149 <font class="keyword">public</font>: +00151 <a class="code" href="classRtError.html#a0">RtError</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *p, TYPE tipe = RtError::UNSPECIFIED); +00152 +00154 <font class="keyword">virtual</font> <a class="code" href="classRtError.html#a1">~RtError</a>(<font class="keywordtype">void</font>); +00155 +00157 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classRtError.html#a2">printMessage</a>(<font class="keywordtype">void</font>); +00158 +<a name="l00160"></a><a class="code" href="classRtError.html#a3">00160</a> <font class="keyword">virtual</font> <font class="keyword">const</font> TYPE& <a class="code" href="classRtError.html#a3">getType</a>(<font class="keywordtype">void</font>)<font class="keyword"> </font>{ <font class="keywordflow">return</font> type; } +00161 +<a name="l00163"></a><a class="code" href="classRtError.html#a4">00163</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; } +00164 }; +00165 00166 -00167 -00168 <font class="comment">// This public structure type is used to pass callback information</font> -00169 <font class="comment">// between the private RtAudio stream structure and global callback</font> -00170 <font class="comment">// handling functions.</font> -00171 <font class="keyword">typedef</font> <font class="keyword">struct </font>{ -00172 <font class="keywordtype">void</font> *object; <font class="comment">// Used as a "this" pointer.</font> -00173 <font class="keywordtype">int</font> streamId; -00174 DEVICE_ID device[2]; -00175 THREAD_HANDLE thread; -00176 <font class="keywordtype">void</font> *callback; -00177 <font class="keywordtype">void</font> *buffers; -00178 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> waitTime; -00179 <font class="keywordtype">bool</font> blockTick; -00180 <font class="keywordtype">bool</font> stopStream; -00181 <font class="keywordtype">bool</font> usingCallback; -00182 <font class="keywordtype">void</font> *userData; -00183 } CALLBACK_INFO; +00167 <font class="comment">// This public structure type is used to pass callback information</font> +00168 <font class="comment">// between the private RtAudio stream structure and global callback</font> +00169 <font class="comment">// handling functions.</font> +00170 <font class="keyword">typedef</font> <font class="keyword">struct </font>{ +00171 <font class="keywordtype">void</font> *object; <font class="comment">// Used as a "this" pointer.</font> +00172 <font class="keywordtype">int</font> streamId; +00173 DEVICE_ID device[2]; +00174 THREAD_HANDLE thread; +00175 <font class="keywordtype">void</font> *callback; +00176 <font class="keywordtype">void</font> *buffers; +00177 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> waitTime; +00178 <font class="keywordtype">bool</font> blockTick; +00179 <font class="keywordtype">bool</font> stopStream; +00180 <font class="keywordtype">bool</font> usingCallback; +00181 <font class="keywordtype">void</font> *userData; +00182 } CALLBACK_INFO; +00183 00184 -00185 -00186 <font class="comment">// *************************************************** //</font> -00187 <font class="comment">//</font> -00188 <font class="comment">// RtAudio class declaration.</font> -00189 <font class="comment">//</font> -00190 <font class="comment">// *************************************************** //</font> -00191 -00192 <font class="keyword">class </font><a class="code" href="classRtAudio.html">RtAudio</a> -00193 { -00194 <font class="keyword">public</font>: -00195 -00196 <font class="comment">// Support for signed integers and floats. Audio data fed to/from</font> -00197 <font class="comment">// the tickStream() routine is assumed to ALWAYS be in host</font> -00198 <font class="comment">// byte order. The internal routines will automatically take care of</font> -00199 <font class="comment">// any necessary byte-swapping between the host format and the</font> -00200 <font class="comment">// soundcard. Thus, endian-ness is not a concern in the following</font> -00201 <font class="comment">// format definitions.</font> -00202 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> RTAUDIO_FORMAT; -<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; -<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; -<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; -<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; -<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; -<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; -00210 <font class="comment">//static const int MAX_SAMPLE_RATES = 14;</font> -00211 <font class="keyword">enum</font> { MAX_SAMPLE_RATES = 14 }; -00212 -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); -00214 -<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>{ -<a name="l00217"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m0">00217</a> <font class="keywordtype">char</font> name[128]; -00218 DEVICE_ID id[2]; <font class="comment">/* No value reported by getDeviceInfo(). */</font> -<a name="l00219"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m2">00219</a> <font class="keywordtype">bool</font> probed; -<a name="l00220"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m3">00220</a> <font class="keywordtype">int</font> maxOutputChannels; -<a name="l00221"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m4">00221</a> <font class="keywordtype">int</font> maxInputChannels; -<a name="l00222"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m5">00222</a> <font class="keywordtype">int</font> maxDuplexChannels; -<a name="l00223"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m6">00223</a> <font class="keywordtype">int</font> minOutputChannels; -<a name="l00224"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m7">00224</a> <font class="keywordtype">int</font> minInputChannels; -<a name="l00225"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m8">00225</a> <font class="keywordtype">int</font> minDuplexChannels; -<a name="l00226"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m9">00226</a> <font class="keywordtype">bool</font> hasDuplexSupport; -<a name="l00227"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m10">00227</a> <font class="keywordtype">bool</font> isDefault; -<a name="l00228"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m11">00228</a> <font class="keywordtype">int</font> nSampleRates; -<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]; -<a name="l00230"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m13">00230</a> RTAUDIO_FORMAT nativeFormats; -00231 } RTAUDIO_DEVICE; -00232 -00234 -00240 <a class="code" href="classRtAudio.html#a0">RtAudio</a>(); -00241 -00243 -00254 <a class="code" href="classRtAudio.html#a0">RtAudio</a>(<font class="keywordtype">int</font> *streamId, -00255 <font class="keywordtype">int</font> outputDevice, <font class="keywordtype">int</font> outputChannels, -00256 <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels, -00257 RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate, -00258 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers); -00259 -00261 -00265 <a class="code" href="classRtAudio.html#a2">~RtAudio</a>(); -00266 -00268 -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, -00296 <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels, -00297 RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate, -00298 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers); -00299 -00301 -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); -00321 -00323 -00330 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a5">cancelStreamCallback</a>(<font class="keywordtype">int</font> streamId); -00331 -00333 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a6">getDeviceCount</a>(<font class="keywordtype">void</font>); -00334 -00336 -00344 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a7">getDeviceInfo</a>(<font class="keywordtype">int</font> device, RTAUDIO_DEVICE *info); -00345 -00347 -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); -00353 -00355 -00360 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a9">tickStream</a>(<font class="keywordtype">int</font> streamId); -00361 -00363 -00367 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a10">closeStream</a>(<font class="keywordtype">int</font> streamId); -00368 -00370 -00374 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a11">startStream</a>(<font class="keywordtype">int</font> streamId); -00375 -00377 -00381 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a12">stopStream</a>(<font class="keywordtype">int</font> streamId); -00382 -00384 -00388 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a13">abortStream</a>(<font class="keywordtype">int</font> streamId); -00389 -00391 -00396 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a14">streamWillBlock</a>(<font class="keywordtype">int</font> streamId); -00397 -00398 <font class="preprocessor">#if (defined(__MACOSX_CORE__) || defined(__WINDOWS_ASIO__))</font> -00399 <font class="preprocessor"></font> <font class="comment">// This function is intended for internal use only. It must be</font> -00400 <font class="comment">// public because it is called by the internal callback handler,</font> -00401 <font class="comment">// which is not a member of RtAudio. External use of this function</font> -00402 <font class="comment">// will most likely produce highly undesireable results!</font> -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); -00404 <font class="preprocessor">#endif</font> -00405 <font class="preprocessor"></font> -00406 <font class="keyword">protected</font>: -00407 -00408 <font class="keyword">private</font>: -00409 -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]; -00411 -00412 <font class="keyword">enum</font> { FAILURE, SUCCESS }; -00413 -00414 <font class="keyword">enum</font> STREAM_MODE { -00415 OUTPUT, -00416 INPUT, -00417 DUPLEX, -00418 UNINITIALIZED = -75 -00419 }; -00420 -00421 <font class="keyword">enum</font> STREAM_STATE { -00422 STREAM_STOPPED, -00423 STREAM_RUNNING -00424 }; -00425 -00426 <font class="keyword">typedef</font> <font class="keyword">struct </font>{ -00427 <font class="keywordtype">int</font> device[2]; <font class="comment">// Playback and record, respectively.</font> -00428 STREAM_MODE mode; <font class="comment">// OUTPUT, INPUT, or DUPLEX.</font> -00429 AUDIO_HANDLE handle[2]; <font class="comment">// Playback and record handles, respectively.</font> -00430 STREAM_STATE state; <font class="comment">// STOPPED or RUNNING</font> -00431 <font class="keywordtype">char</font> *userBuffer; -00432 <font class="keywordtype">char</font> *deviceBuffer; -00433 <font class="keywordtype">bool</font> doConvertBuffer[2]; <font class="comment">// Playback and record, respectively.</font> -00434 <font class="keywordtype">bool</font> deInterleave[2]; <font class="comment">// Playback and record, respectively.</font> -00435 <font class="keywordtype">bool</font> doByteSwap[2]; <font class="comment">// Playback and record, respectively.</font> -00436 <font class="keywordtype">int</font> sampleRate; -00437 <font class="keywordtype">int</font> bufferSize; -00438 <font class="keywordtype">int</font> nBuffers; -00439 <font class="keywordtype">int</font> nUserChannels[2]; <font class="comment">// Playback and record, respectively.</font> -00440 <font class="keywordtype">int</font> nDeviceChannels[2]; <font class="comment">// Playback and record channels, respectively.</font> -00441 RTAUDIO_FORMAT userFormat; -00442 RTAUDIO_FORMAT deviceFormat[2]; <font class="comment">// Playback and record, respectively.</font> -00443 MUTEX mutex; -00444 CALLBACK_INFO callbackInfo; -00445 } RTAUDIO_STREAM; -00446 -00447 <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">short</font> INT16; -00448 <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">int</font> INT32; -00449 <font class="keyword">typedef</font> <font class="keywordtype">float</font> FLOAT32; -00450 <font class="keyword">typedef</font> <font class="keywordtype">double</font> FLOAT64; -00451 -00452 <font class="keywordtype">char</font> message[256]; -00453 <font class="keywordtype">int</font> nDevices; -00454 RTAUDIO_DEVICE *devices; -00455 -00456 std::map<int, void *> streams; -00457 -00459 <font class="keywordtype">void</font> error(RtError::TYPE type); -00460 -00465 <font class="keywordtype">void</font> initialize(<font class="keywordtype">void</font>); -00466 -00471 <font class="keywordtype">int</font> getDefaultInputDevice(<font class="keywordtype">void</font>); -00472 -00477 <font class="keywordtype">int</font> getDefaultOutputDevice(<font class="keywordtype">void</font>); -00478 -00480 <font class="keywordtype">void</font> clearDeviceInfo(RTAUDIO_DEVICE *info); -00481 -00489 <font class="keywordtype">void</font> probeDeviceInfo(RTAUDIO_DEVICE *info); -00490 -00497 <font class="keywordtype">bool</font> probeDeviceOpen(<font class="keywordtype">int</font> device, RTAUDIO_STREAM *stream, -00498 STREAM_MODE mode, <font class="keywordtype">int</font> channels, -00499 <font class="keywordtype">int</font> sampleRate, RTAUDIO_FORMAT format, -00500 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers); -00501 -00508 <font class="keywordtype">void</font> *verifyStream(<font class="keywordtype">int</font> streamId); -00509 -00514 <font class="keywordtype">void</font> convertStreamBuffer(RTAUDIO_STREAM *stream, STREAM_MODE mode); -00515 -00517 <font class="keywordtype">void</font> byteSwapBuffer(<font class="keywordtype">char</font> *buffer, <font class="keywordtype">int</font> samples, RTAUDIO_FORMAT format); -00518 -00520 <font class="keywordtype">int</font> formatBytes(RTAUDIO_FORMAT format); -00521 }; -00522 -00523 <font class="comment">// Define the following flag to have extra information spewed to stderr.</font> -00524 <font class="comment">//#define __RTAUDIO_DEBUG__</font> -00525 -00526 <font class="preprocessor">#endif</font> +00185 <font class="comment">// *************************************************** //</font> +00186 <font class="comment">//</font> +00187 <font class="comment">// RtAudio class declaration.</font> +00188 <font class="comment">//</font> +00189 <font class="comment">// *************************************************** //</font> +00190 +00191 <font class="keyword">class </font><a class="code" href="classRtAudio.html">RtAudio</a> +00192 { +00193 <font class="keyword">public</font>: +00194 +00195 <font class="comment">// Support for signed integers and floats. Audio data fed to/from</font> +00196 <font class="comment">// the tickStream() routine is assumed to ALWAYS be in host</font> +00197 <font class="comment">// byte order. The internal routines will automatically take care of</font> +00198 <font class="comment">// any necessary byte-swapping between the host format and the</font> +00199 <font class="comment">// soundcard. Thus, endian-ness is not a concern in the following</font> +00200 <font class="comment">// format definitions.</font> +00201 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> RTAUDIO_FORMAT; +<a name="l00202"></a><a class="code" href="classRtAudio.html#p0">00202</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT8; +<a name="l00203"></a><a class="code" href="classRtAudio.html#p1">00203</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT16; +<a name="l00204"></a><a class="code" href="classRtAudio.html#p2">00204</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT24; +<a name="l00205"></a><a class="code" href="classRtAudio.html#p3">00205</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT32; +<a name="l00206"></a><a class="code" href="classRtAudio.html#p4">00206</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_FLOAT32; +<a name="l00207"></a><a class="code" href="classRtAudio.html#p5">00207</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_FLOAT64; +00209 <font class="comment">//static const int MAX_SAMPLE_RATES = 14;</font> +00210 <font class="keyword">enum</font> { MAX_SAMPLE_RATES = 14 }; +00211 +00212 <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); +00213 +<a name="l00215"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html">00215</a> <font class="keyword">typedef</font> <font class="keyword">struct </font>{ +<a name="l00216"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m0">00216</a> <font class="keywordtype">char</font> name[128]; +00217 DEVICE_ID id[2]; <font class="comment">/* No value reported by getDeviceInfo(). */</font> +<a name="l00218"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m2">00218</a> <font class="keywordtype">bool</font> probed; +<a name="l00219"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m3">00219</a> <font class="keywordtype">int</font> maxOutputChannels; +<a name="l00220"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m4">00220</a> <font class="keywordtype">int</font> maxInputChannels; +<a name="l00221"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m5">00221</a> <font class="keywordtype">int</font> maxDuplexChannels; +<a name="l00222"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m6">00222</a> <font class="keywordtype">int</font> minOutputChannels; +<a name="l00223"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m7">00223</a> <font class="keywordtype">int</font> minInputChannels; +<a name="l00224"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m8">00224</a> <font class="keywordtype">int</font> minDuplexChannels; +<a name="l00225"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m9">00225</a> <font class="keywordtype">bool</font> hasDuplexSupport; +<a name="l00226"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m10">00226</a> <font class="keywordtype">bool</font> isDefault; +<a name="l00227"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m11">00227</a> <font class="keywordtype">int</font> nSampleRates; +<a name="l00228"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m12">00228</a> <font class="keywordtype">int</font> sampleRates[MAX_SAMPLE_RATES]; +<a name="l00229"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m13">00229</a> RTAUDIO_FORMAT nativeFormats; +00230 } RTAUDIO_DEVICE; +00231 +00233 +00239 <a class="code" href="classRtAudio.html#a0">RtAudio</a>(); +00240 +00242 +00253 <a class="code" href="classRtAudio.html#a0">RtAudio</a>(<font class="keywordtype">int</font> *streamId, +00254 <font class="keywordtype">int</font> outputDevice, <font class="keywordtype">int</font> outputChannels, +00255 <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels, +00256 RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate, +00257 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers); +00258 +00260 +00264 <a class="code" href="classRtAudio.html#a2">~RtAudio</a>(); +00265 +00267 +00294 <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, +00295 <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels, +00296 RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate, +00297 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers); +00298 +00300 +00319 <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); +00320 +00322 +00329 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a5">cancelStreamCallback</a>(<font class="keywordtype">int</font> streamId); +00330 +00332 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a6">getDeviceCount</a>(<font class="keywordtype">void</font>); +00333 +00335 +00343 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a7">getDeviceInfo</a>(<font class="keywordtype">int</font> device, RTAUDIO_DEVICE *info); +00344 +00346 +00351 <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); +00352 +00354 +00359 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a9">tickStream</a>(<font class="keywordtype">int</font> streamId); +00360 +00362 +00366 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a10">closeStream</a>(<font class="keywordtype">int</font> streamId); +00367 +00369 +00373 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a11">startStream</a>(<font class="keywordtype">int</font> streamId); +00374 +00376 +00380 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a12">stopStream</a>(<font class="keywordtype">int</font> streamId); +00381 +00383 +00387 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a13">abortStream</a>(<font class="keywordtype">int</font> streamId); +00388 +00390 +00395 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a14">streamWillBlock</a>(<font class="keywordtype">int</font> streamId); +00396 +00397 <font class="preprocessor">#if (defined(__MACOSX_CORE__) || defined(__WINDOWS_ASIO__))</font> +00398 <font class="preprocessor"></font> <font class="comment">// This function is intended for internal use only. It must be</font> +00399 <font class="comment">// public because it is called by the internal callback handler,</font> +00400 <font class="comment">// which is not a member of RtAudio. External use of this function</font> +00401 <font class="comment">// will most likely produce highly undesireable results!</font> +00402 <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); +00403 <font class="preprocessor">#endif</font> +00404 <font class="preprocessor"></font> +00405 <font class="keyword">protected</font>: +00406 +00407 <font class="keyword">private</font>: +00408 +00409 <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]; +00410 +00411 <font class="keyword">enum</font> { FAILURE, SUCCESS }; +00412 +00413 <font class="keyword">enum</font> STREAM_MODE { +00414 OUTPUT, +00415 INPUT, +00416 DUPLEX, +00417 UNINITIALIZED = -75 +00418 }; +00419 +00420 <font class="keyword">enum</font> STREAM_STATE { +00421 STREAM_STOPPED, +00422 STREAM_RUNNING +00423 }; +00424 +00425 <font class="keyword">typedef</font> <font class="keyword">struct </font>{ +00426 <font class="keywordtype">int</font> device[2]; <font class="comment">// Playback and record, respectively.</font> +00427 STREAM_MODE mode; <font class="comment">// OUTPUT, INPUT, or DUPLEX.</font> +00428 AUDIO_HANDLE handle[2]; <font class="comment">// Playback and record handles, respectively.</font> +00429 STREAM_STATE state; <font class="comment">// STOPPED or RUNNING</font> +00430 <font class="keywordtype">char</font> *userBuffer; +00431 <font class="keywordtype">char</font> *deviceBuffer; +00432 <font class="keywordtype">bool</font> doConvertBuffer[2]; <font class="comment">// Playback and record, respectively.</font> +00433 <font class="keywordtype">bool</font> deInterleave[2]; <font class="comment">// Playback and record, respectively.</font> +00434 <font class="keywordtype">bool</font> doByteSwap[2]; <font class="comment">// Playback and record, respectively.</font> +00435 <font class="keywordtype">int</font> sampleRate; +00436 <font class="keywordtype">int</font> bufferSize; +00437 <font class="keywordtype">int</font> nBuffers; +00438 <font class="keywordtype">int</font> nUserChannels[2]; <font class="comment">// Playback and record, respectively.</font> +00439 <font class="keywordtype">int</font> nDeviceChannels[2]; <font class="comment">// Playback and record channels, respectively.</font> +00440 RTAUDIO_FORMAT userFormat; +00441 RTAUDIO_FORMAT deviceFormat[2]; <font class="comment">// Playback and record, respectively.</font> +00442 MUTEX mutex; +00443 CALLBACK_INFO callbackInfo; +00444 } RTAUDIO_STREAM; +00445 +00446 <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">short</font> INT16; +00447 <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">int</font> INT32; +00448 <font class="keyword">typedef</font> <font class="keywordtype">float</font> FLOAT32; +00449 <font class="keyword">typedef</font> <font class="keywordtype">double</font> FLOAT64; +00450 +00451 <font class="keywordtype">char</font> message[256]; +00452 <font class="keywordtype">int</font> nDevices; +00453 RTAUDIO_DEVICE *devices; +00454 +00455 std::map<int, void *> streams; +00456 +00458 <font class="keywordtype">void</font> error(RtError::TYPE type); +00459 +00464 <font class="keywordtype">void</font> initialize(<font class="keywordtype">void</font>); +00465 +00470 <font class="keywordtype">int</font> getDefaultInputDevice(<font class="keywordtype">void</font>); +00471 +00476 <font class="keywordtype">int</font> getDefaultOutputDevice(<font class="keywordtype">void</font>); +00477 +00479 <font class="keywordtype">void</font> clearDeviceInfo(RTAUDIO_DEVICE *info); +00480 +00488 <font class="keywordtype">void</font> probeDeviceInfo(RTAUDIO_DEVICE *info); +00489 +00496 <font class="keywordtype">bool</font> probeDeviceOpen(<font class="keywordtype">int</font> device, RTAUDIO_STREAM *stream, +00497 STREAM_MODE mode, <font class="keywordtype">int</font> channels, +00498 <font class="keywordtype">int</font> sampleRate, RTAUDIO_FORMAT format, +00499 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers); +00500 +00507 <font class="keywordtype">void</font> *verifyStream(<font class="keywordtype">int</font> streamId); +00508 +00513 <font class="keywordtype">void</font> convertStreamBuffer(RTAUDIO_STREAM *stream, STREAM_MODE mode); +00514 +00516 <font class="keywordtype">void</font> byteSwapBuffer(<font class="keywordtype">char</font> *buffer, <font class="keywordtype">int</font> samples, RTAUDIO_FORMAT format); +00517 +00519 <font class="keywordtype">int</font> formatBytes(RTAUDIO_FORMAT format); +00520 }; +00521 +00522 <font class="comment">// Define the following flag to have extra information spewed to stderr.</font> +00523 <font class="comment">//#define __RTAUDIO_DEBUG__</font> +00524 +00525 <font class="preprocessor">#endif</font> </font></pre></div><HR> <table><tr><td><img src="../images/ccrma.gif"> |