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| author | Gary Scavone <gary@music.mcgill.ca> | 2013-10-11 01:46:50 +0200 |
|---|---|---|
| committer | Stephen Sinclair <sinclair@music.mcgill.ca> | 2013-10-11 01:46:50 +0200 |
| commit | 0876bbd0bad22677b23342c828bc36c3babbed4e (patch) | |
| tree | dbd91a7beefce7da18aa9319df8328945ad66c77 /doc/html/RtAudio_8h-source.html | |
| parent | 332b0956ae798ea52073fe5b889696a33e0f11f2 (diff) | |
Release 4.0.0 tarball4.0.0
Diffstat (limited to 'doc/html/RtAudio_8h-source.html')
| -rw-r--r-- | doc/html/RtAudio_8h-source.html | 1203 |
1 files changed, 608 insertions, 595 deletions
diff --git a/doc/html/RtAudio_8h-source.html b/doc/html/RtAudio_8h-source.html index 4d853be..5c34773 100644 --- a/doc/html/RtAudio_8h-source.html +++ b/doc/html/RtAudio_8h-source.html @@ -1,621 +1,634 @@ <HTML> <HEAD> -<TITLE>The RtAudio Tutorial</TITLE> +<TITLE>The RtAudio Home Page</TITLE> <LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css"> +<LINK REL="SHORTCUT ICON" HREF="http://www.music.mcgill.ca/~gary/favicon.ico"> </HEAD> <BODY BGCOLOR="#FFFFFF"> <CENTER> -<a class="qindex" href="index.html">Tutorial</a> <a class="qindex" href="annotated.html">Class/Enum List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </CENTER> +<a class="qindex" href="index.html">Home</a> <a class="qindex" href="annotated.html">Class/Enum List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </CENTER> <HR> <!-- Generated by Doxygen 1.4.4 --> -<h1>RtAudio.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/************************************************************************/</span> -<a name="l00038"></a>00038 <span class="comment">/************************************************************************/</span> -<a name="l00039"></a>00039 -<a name="l00040"></a>00040 <span class="comment">// RtAudio: Version 3.0.3 (18 November 2005)</span> -<a name="l00041"></a>00041 -<a name="l00042"></a>00042 <span class="preprocessor">#ifndef __RTAUDIO_H</span> -<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define __RTAUDIO_H</span> -<a name="l00044"></a>00044 <span class="preprocessor"></span> -<a name="l00045"></a>00045 <span class="preprocessor">#include "RtError.h"</span> -<a name="l00046"></a>00046 <span class="preprocessor">#include <string></span> -<a name="l00047"></a>00047 <span class="preprocessor">#include <vector></span> -<a name="l00048"></a>00048 -<a name="l00049"></a>00049 <span class="comment">// Operating system dependent thread functionality.</span> -<a name="l00050"></a>00050 <span class="preprocessor">#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__)</span> -<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor"> #include <windows.h></span> -<a name="l00052"></a>00052 <span class="preprocessor"> #include <process.h></span> +<h1>RtAudio.h</h1><a href="RtAudio_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/************************************************************************/</span> +<a name="l00039"></a>00039 <span class="comment">/************************************************************************/</span> +<a name="l00040"></a>00040 +<a name="l00045"></a>00045 <span class="comment">// RtAudio: Version 4.0</span> +<a name="l00046"></a>00046 +<a name="l00047"></a>00047 <span class="preprocessor">#ifndef __RTAUDIO_H</span> +<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define __RTAUDIO_H</span> +<a name="l00049"></a>00049 <span class="preprocessor"></span> +<a name="l00050"></a>00050 <span class="preprocessor">#include <string></span> +<a name="l00051"></a>00051 <span class="preprocessor">#include <vector></span> +<a name="l00052"></a>00052 <span class="preprocessor">#include "RtError.h"</span> <a name="l00053"></a>00053 -<a name="l00054"></a>00054 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ThreadHandle; -<a name="l00055"></a>00055 <span class="keyword">typedef</span> CRITICAL_SECTION StreamMutex; -<a name="l00056"></a>00056 -<a name="l00057"></a>00057 <span class="preprocessor">#else // Various unix flavors with pthread support.</span> -<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor"> #include <pthread.h></span> -<a name="l00059"></a>00059 -<a name="l00060"></a>00060 <span class="keyword">typedef</span> pthread_t ThreadHandle; -<a name="l00061"></a>00061 <span class="keyword">typedef</span> pthread_mutex_t StreamMutex; -<a name="l00062"></a>00062 -<a name="l00063"></a>00063 <span class="preprocessor">#endif</span> -<a name="l00064"></a>00064 <span class="preprocessor"></span> -<a name="l00065"></a>00065 <span class="comment">// This global structure type is used to pass callback information</span> -<a name="l00066"></a>00066 <span class="comment">// between the private RtAudio stream structure and global callback</span> -<a name="l00067"></a>00067 <span class="comment">// handling functions.</span> -<a name="l00068"></a>00068 <span class="keyword">struct </span>CallbackInfo { -<a name="l00069"></a>00069 <span class="keywordtype">void</span> *object; <span class="comment">// Used as a "this" pointer.</span> -<a name="l00070"></a>00070 ThreadHandle thread; -<a name="l00071"></a>00071 <span class="keywordtype">bool</span> usingCallback; -<a name="l00072"></a>00072 <span class="keywordtype">void</span> *callback; -<a name="l00073"></a>00073 <span class="keywordtype">void</span> *userData; -<a name="l00074"></a>00074 <span class="keywordtype">void</span> *apiInfo; <span class="comment">// void pointer for API specific callback information</span> -<a name="l00075"></a>00075 -<a name="l00076"></a>00076 <span class="comment">// Default constructor.</span> -<a name="l00077"></a>00077 CallbackInfo() -<a name="l00078"></a>00078 :object(0), usingCallback(false), callback(0), -<a name="l00079"></a>00079 userData(0), apiInfo(0) {} -<a name="l00080"></a>00080 }; -<a name="l00081"></a>00081 -<a name="l00082"></a>00082 <span class="comment">// Support for signed integers and floats. Audio data fed to/from</span> -<a name="l00083"></a>00083 <span class="comment">// the tickStream() routine is assumed to ALWAYS be in host</span> -<a name="l00084"></a>00084 <span class="comment">// byte order. The internal routines will automatically take care of</span> -<a name="l00085"></a>00085 <span class="comment">// any necessary byte-swapping between the host format and the</span> -<a name="l00086"></a>00086 <span class="comment">// soundcard. Thus, endian-ness is not a concern in the following</span> -<a name="l00087"></a>00087 <span class="comment">// format definitions.</span> -<a name="l00088"></a>00088 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> RtAudioFormat; -<a name="l00089"></a>00089 <span class="keyword">static</span> <span class="keyword">const</span> RtAudioFormat RTAUDIO_SINT8 = 0x1; -<a name="l00090"></a>00090 <span class="keyword">static</span> <span class="keyword">const</span> RtAudioFormat RTAUDIO_SINT16 = 0x2; -<a name="l00091"></a>00091 <span class="keyword">static</span> <span class="keyword">const</span> RtAudioFormat RTAUDIO_SINT24 = 0x4; -<a name="l00092"></a>00092 <span class="keyword">static</span> <span class="keyword">const</span> RtAudioFormat RTAUDIO_SINT32 = 0x8; -<a name="l00093"></a>00093 <span class="keyword">static</span> <span class="keyword">const</span> RtAudioFormat RTAUDIO_FLOAT32 = 0x10; -<a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keyword">const</span> RtAudioFormat RTAUDIO_FLOAT64 = 0x20; -<a name="l00096"></a>00096 <span class="keyword">typedef</span> int (*RtAudioCallback)(<span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> bufferSize, <span class="keywordtype">void</span> *userData); -<a name="l00097"></a>00097 -<a name="l00099"></a><a class="code" href="structRtAudioDeviceInfo.html">00099</a> <span class="keyword">struct </span><a class="code" href="structRtAudioDeviceInfo.html">RtAudioDeviceInfo</a> { -<a name="l00100"></a><a class="code" href="structRtAudioDeviceInfo.html#o0">00100</a> std::string <a class="code" href="structRtAudioDeviceInfo.html#o0">name</a>; -<a name="l00101"></a><a class="code" href="structRtAudioDeviceInfo.html#o1">00101</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudioDeviceInfo.html#o1">probed</a>; -<a name="l00102"></a><a class="code" href="structRtAudioDeviceInfo.html#o2">00102</a> <span class="keywordtype">int</span> <a class="code" href="structRtAudioDeviceInfo.html#o2">outputChannels</a>; -<a name="l00103"></a><a class="code" href="structRtAudioDeviceInfo.html#o3">00103</a> <span class="keywordtype">int</span> <a class="code" href="structRtAudioDeviceInfo.html#o3">inputChannels</a>; -<a name="l00104"></a><a class="code" href="structRtAudioDeviceInfo.html#o4">00104</a> <span class="keywordtype">int</span> <a class="code" href="structRtAudioDeviceInfo.html#o4">duplexChannels</a>; -<a name="l00105"></a><a class="code" href="structRtAudioDeviceInfo.html#o5">00105</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudioDeviceInfo.html#o5">isDefault</a>; -<a name="l00106"></a><a class="code" href="structRtAudioDeviceInfo.html#o6">00106</a> std::vector<int> <a class="code" href="structRtAudioDeviceInfo.html#o6">sampleRates</a>; -<a name="l00107"></a><a class="code" href="structRtAudioDeviceInfo.html#o7">00107</a> RtAudioFormat <a class="code" href="structRtAudioDeviceInfo.html#o7">nativeFormats</a>; -<a name="l00109"></a>00109 <span class="comment">// Default constructor.</span> -<a name="l00110"></a>00110 <a class="code" href="structRtAudioDeviceInfo.html">RtAudioDeviceInfo</a>() -<a name="l00111"></a>00111 :<a class="code" href="structRtAudioDeviceInfo.html#o1">probed</a>(false), <a class="code" href="structRtAudioDeviceInfo.html#o2">outputChannels</a>(0), <a class="code" href="structRtAudioDeviceInfo.html#o3">inputChannels</a>(0), -<a name="l00112"></a>00112 <a class="code" href="structRtAudioDeviceInfo.html#o4">duplexChannels</a>(0), <a class="code" href="structRtAudioDeviceInfo.html#o5">isDefault</a>(false), <a class="code" href="structRtAudioDeviceInfo.html#o7">nativeFormats</a>(0) {} -<a name="l00113"></a>00113 }; -<a name="l00114"></a>00114 -<a name="l00115"></a>00115 <span class="comment">// **************************************************************** //</span> -<a name="l00116"></a>00116 <span class="comment">//</span> -<a name="l00117"></a>00117 <span class="comment">// RtApi class declaration.</span> -<a name="l00118"></a>00118 <span class="comment">//</span> -<a name="l00119"></a>00119 <span class="comment">// Note that RtApi is an abstract base class and cannot be</span> -<a name="l00120"></a>00120 <span class="comment">// explicitly instantiated. The class RtAudio will create an</span> -<a name="l00121"></a>00121 <span class="comment">// instance of an RtApi subclass (RtApiOss, RtApiAlsa,</span> -<a name="l00122"></a>00122 <span class="comment">// RtApiJack, RtApiCore, RtApiAl, RtApiDs, or RtApiAsio).</span> -<a name="l00123"></a>00123 <span class="comment">//</span> -<a name="l00124"></a>00124 <span class="comment">// **************************************************************** //</span> -<a name="l00125"></a>00125 -<a name="l00126"></a>00126 <span class="keyword">class </span>RtApi -<a name="l00127"></a>00127 { -<a name="l00128"></a>00128 <span class="keyword">public</span>: -<a name="l00129"></a>00129 -<a name="l00130"></a>00130 <span class="keyword">enum</span> StreamState { -<a name="l00131"></a>00131 STREAM_STOPPED, -<a name="l00132"></a>00132 STREAM_RUNNING -<a name="l00133"></a>00133 }; -<a name="l00134"></a>00134 -<a name="l00135"></a>00135 RtApi(); -<a name="l00136"></a>00136 <span class="keyword">virtual</span> ~RtApi(); -<a name="l00137"></a>00137 <span class="keywordtype">void</span> openStream( <span class="keywordtype">int</span> outputDevice, <span class="keywordtype">int</span> outputChannels, -<a name="l00138"></a>00138 <span class="keywordtype">int</span> inputDevice, <span class="keywordtype">int</span> inputChannels, -<a name="l00139"></a>00139 RtAudioFormat format, <span class="keywordtype">int</span> sampleRate, -<a name="l00140"></a>00140 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00141"></a>00141 <span class="keywordtype">void</span> openStream( <span class="keywordtype">int</span> outputDevice, <span class="keywordtype">int</span> outputChannels, -<a name="l00142"></a>00142 <span class="keywordtype">int</span> inputDevice, <span class="keywordtype">int</span> inputChannels, -<a name="l00143"></a>00143 RtAudioFormat format, <span class="keywordtype">int</span> sampleRate, -<a name="l00144"></a>00144 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> *numberOfBuffers ); -<a name="l00145"></a>00145 <span class="keyword">virtual</span> <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ) = 0; -<a name="l00146"></a>00146 <span class="keyword">virtual</span> <span class="keywordtype">void</span> cancelStreamCallback() = 0; -<a name="l00147"></a>00147 <span class="keywordtype">int</span> getDeviceCount(<span class="keywordtype">void</span>); -<a name="l00148"></a>00148 <a class="code" href="structRtAudioDeviceInfo.html">RtAudioDeviceInfo</a> getDeviceInfo( <span class="keywordtype">int</span> device ); -<a name="l00149"></a>00149 <span class="keywordtype">char</span> * <span class="keyword">const</span> getStreamBuffer(); -<a name="l00150"></a>00150 RtApi::StreamState getStreamState() <span class="keyword">const</span>; -<a name="l00151"></a>00151 <span class="keyword">virtual</span> <span class="keywordtype">void</span> tickStream() = 0; -<a name="l00152"></a>00152 <span class="keyword">virtual</span> <span class="keywordtype">void</span> closeStream(); -<a name="l00153"></a>00153 <span class="keyword">virtual</span> <span class="keywordtype">void</span> startStream() = 0; -<a name="l00154"></a>00154 <span class="keyword">virtual</span> <span class="keywordtype">void</span> stopStream() = 0; -<a name="l00155"></a>00155 <span class="keyword">virtual</span> <span class="keywordtype">void</span> abortStream() = 0; -<a name="l00156"></a>00156 -<a name="l00157"></a>00157 <span class="keyword">protected</span>: -<a name="l00158"></a>00158 -<a name="l00159"></a>00159 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MAX_SAMPLE_RATES; -<a name="l00160"></a>00160 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SAMPLE_RATES[]; -<a name="l00161"></a>00161 -<a name="l00162"></a>00162 <span class="keyword">enum</span> { FAILURE, SUCCESS }; -<a name="l00163"></a>00163 -<a name="l00164"></a>00164 <span class="keyword">enum</span> StreamMode { -<a name="l00165"></a>00165 OUTPUT, -<a name="l00166"></a>00166 INPUT, -<a name="l00167"></a>00167 DUPLEX, -<a name="l00168"></a>00168 UNINITIALIZED = -75 -<a name="l00169"></a>00169 }; -<a name="l00170"></a>00170 -<a name="l00171"></a>00171 <span class="comment">// A protected structure used for buffer conversion.</span> -<a name="l00172"></a>00172 <span class="keyword">struct </span>ConvertInfo { -<a name="l00173"></a>00173 <span class="keywordtype">int</span> channels; -<a name="l00174"></a>00174 <span class="keywordtype">int</span> inJump, outJump; -<a name="l00175"></a>00175 RtAudioFormat inFormat, outFormat; -<a name="l00176"></a>00176 std::vector<int> inOffset; -<a name="l00177"></a>00177 std::vector<int> outOffset; -<a name="l00178"></a>00178 }; -<a name="l00179"></a>00179 -<a name="l00180"></a>00180 <span class="comment">// A protected structure for audio streams.</span> -<a name="l00181"></a>00181 <span class="keyword">struct </span>RtApiStream { -<a name="l00182"></a>00182 <span class="keywordtype">int</span> device[2]; <span class="comment">// Playback and record, respectively.</span> -<a name="l00183"></a>00183 <span class="keywordtype">void</span> *apiHandle; <span class="comment">// void pointer for API specific stream handle information</span> -<a name="l00184"></a>00184 StreamMode mode; <span class="comment">// OUTPUT, INPUT, or DUPLEX.</span> -<a name="l00185"></a>00185 StreamState state; <span class="comment">// STOPPED or RUNNING</span> -<a name="l00186"></a>00186 <span class="keywordtype">char</span> *userBuffer; -<a name="l00187"></a>00187 <span class="keywordtype">char</span> *deviceBuffer; -<a name="l00188"></a>00188 <span class="keywordtype">bool</span> doConvertBuffer[2]; <span class="comment">// Playback and record, respectively.</span> -<a name="l00189"></a>00189 <span class="keywordtype">bool</span> deInterleave[2]; <span class="comment">// Playback and record, respectively.</span> -<a name="l00190"></a>00190 <span class="keywordtype">bool</span> doByteSwap[2]; <span class="comment">// Playback and record, respectively.</span> -<a name="l00191"></a>00191 <span class="keywordtype">int</span> sampleRate; -<a name="l00192"></a>00192 <span class="keywordtype">int</span> bufferSize; -<a name="l00193"></a>00193 <span class="keywordtype">int</span> nBuffers; -<a name="l00194"></a>00194 <span class="keywordtype">int</span> nUserChannels[2]; <span class="comment">// Playback and record, respectively.</span> -<a name="l00195"></a>00195 <span class="keywordtype">int</span> nDeviceChannels[2]; <span class="comment">// Playback and record channels, respectively.</span> -<a name="l00196"></a>00196 RtAudioFormat userFormat; -<a name="l00197"></a>00197 RtAudioFormat deviceFormat[2]; <span class="comment">// Playback and record, respectively.</span> -<a name="l00198"></a>00198 StreamMutex mutex; -<a name="l00199"></a>00199 CallbackInfo callbackInfo; -<a name="l00200"></a>00200 ConvertInfo convertInfo[2]; -<a name="l00201"></a>00201 -<a name="l00202"></a>00202 RtApiStream() -<a name="l00203"></a>00203 :apiHandle(0), userBuffer(0), deviceBuffer(0) {} -<a name="l00204"></a>00204 }; -<a name="l00205"></a>00205 -<a name="l00206"></a>00206 <span class="comment">// A protected device structure for audio devices.</span> -<a name="l00207"></a>00207 <span class="keyword">struct </span>RtApiDevice { -<a name="l00208"></a>00208 std::string name; -<a name="l00209"></a>00209 <span class="keywordtype">bool</span> probed; -<a name="l00210"></a>00210 <span class="keywordtype">void</span> *apiDeviceId; <span class="comment">// void pointer for API specific device information</span> -<a name="l00211"></a>00211 <span class="keywordtype">int</span> maxOutputChannels; -<a name="l00212"></a>00212 <span class="keywordtype">int</span> maxInputChannels; -<a name="l00213"></a>00213 <span class="keywordtype">int</span> maxDuplexChannels; -<a name="l00214"></a>00214 <span class="keywordtype">int</span> minOutputChannels; -<a name="l00215"></a>00215 <span class="keywordtype">int</span> minInputChannels; -<a name="l00216"></a>00216 <span class="keywordtype">int</span> minDuplexChannels; -<a name="l00217"></a>00217 <span class="keywordtype">bool</span> hasDuplexSupport; -<a name="l00218"></a>00218 <span class="keywordtype">bool</span> isDefault; -<a name="l00219"></a>00219 std::vector<int> sampleRates; -<a name="l00220"></a>00220 RtAudioFormat nativeFormats; -<a name="l00222"></a>00222 <span class="comment">// Default constructor.</span> -<a name="l00223"></a>00223 RtApiDevice() -<a name="l00224"></a>00224 :probed(false), apiDeviceId(0), maxOutputChannels(0), maxInputChannels(0), -<a name="l00225"></a>00225 maxDuplexChannels(0), minOutputChannels(0), minInputChannels(0), -<a name="l00226"></a>00226 minDuplexChannels(0), isDefault(false), nativeFormats(0) {} -<a name="l00227"></a>00227 }; -<a name="l00228"></a>00228 -<a name="l00229"></a>00229 <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> Int16; -<a name="l00230"></a>00230 <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">int</span> Int32; -<a name="l00231"></a>00231 <span class="keyword">typedef</span> <span class="keywordtype">float</span> Float32; -<a name="l00232"></a>00232 <span class="keyword">typedef</span> <span class="keywordtype">double</span> Float64; -<a name="l00233"></a>00233 -<a name="l00234"></a>00234 <span class="keywordtype">char</span> message_[1024]; -<a name="l00235"></a>00235 <span class="keywordtype">int</span> nDevices_; -<a name="l00236"></a>00236 std::vector<RtApiDevice> devices_; -<a name="l00237"></a>00237 RtApiStream stream_; -<a name="l00238"></a>00238 -<a name="l00243"></a>00243 <span class="keyword">virtual</span> <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>) = 0; -<a name="l00244"></a>00244 -<a name="l00253"></a>00253 <span class="keyword">virtual</span> <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00254"></a>00254 -<a name="l00263"></a>00263 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00264"></a>00264 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00265"></a>00265 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00266"></a>00266 -<a name="l00271"></a>00271 <span class="keyword">virtual</span> <span class="keywordtype">int</span> getDefaultInputDevice(<span class="keywordtype">void</span>); -<a name="l00272"></a>00272 -<a name="l00277"></a>00277 <span class="keyword">virtual</span> <span class="keywordtype">int</span> getDefaultOutputDevice(<span class="keywordtype">void</span>); -<a name="l00278"></a>00278 -<a name="l00280"></a>00280 <span class="keywordtype">void</span> clearDeviceInfo( RtApiDevice *info ); -<a name="l00281"></a>00281 -<a name="l00283"></a>00283 <span class="keywordtype">void</span> clearStreamInfo(); -<a name="l00284"></a>00284 -<a name="l00286"></a>00286 <span class="keywordtype">void</span> error( <a class="code" href="classRtError.html#w11">RtError::Type</a> type ); -<a name="l00287"></a>00287 -<a name="l00292"></a>00292 <span class="keywordtype">void</span> verifyStream(); +<a name="l00070"></a><a class="code" href="RtAudio_8h.html#a1">00070</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a>; +<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT8 = 0x1; <span class="comment">// 8-bit signed integer.</span> +<a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT16 = 0x2; <span class="comment">// 16-bit signed integer.</span> +<a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT24 = 0x4; <span class="comment">// Lower 3 bytes of 32-bit signed integer.</span> +<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT32 = 0x8; <span class="comment">// 32-bit signed integer.</span> +<a name="l00075"></a>00075 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_FLOAT32 = 0x10; <span class="comment">// Normalized between plus/minus 1.0.</span> +<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_FLOAT64 = 0x20; <span class="comment">// Normalized between plus/minus 1.0.</span> +<a name="l00077"></a>00077 +<a name="l00112"></a><a class="code" href="RtAudio_8h.html#a8">00112</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a>; +<a name="l00113"></a>00113 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> RTAUDIO_NONINTERLEAVED = 0x1; <span class="comment">// Use non-interleaved buffers (default = interleaved).</span> +<a name="l00114"></a>00114 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> RTAUDIO_MINIMIZE_LATENCY = 0x2; <span class="comment">// Attempt to set stream parameters for lowest possible latency.</span> +<a name="l00115"></a>00115 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> RTAUDIO_HOG_DEVICE = 0x4; <span class="comment">// Attempt grab device and prevent use by others.</span> +<a name="l00116"></a>00116 +<a name="l00128"></a><a class="code" href="RtAudio_8h.html#a12">00128</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a>; +<a name="l00129"></a>00129 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> RTAUDIO_INPUT_OVERFLOW = 0x1; <span class="comment">// Input data was discarded because of an overflow condition at the driver.</span> +<a name="l00130"></a>00130 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> RTAUDIO_OUTPUT_UNDERFLOW = 0x2; <span class="comment">// The output buffer ran low, likely causing a gap in the output sound.</span> +<a name="l00131"></a>00131 +<a name="l00133"></a>00133 +<a name="l00171"></a><a class="code" href="RtAudio_8h.html#a15">00171</a> <span class="keyword">typedef</span> int (*<a class="code" href="RtAudio_8h.html#a15">RtAudioCallback</a>)( <span class="keywordtype">void</span> *outputBuffer, <span class="keywordtype">void</span> *inputBuffer, +<a name="l00172"></a>00172 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nFrames, +<a name="l00173"></a>00173 <span class="keywordtype">double</span> streamTime, +<a name="l00174"></a>00174 <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> status, +<a name="l00175"></a>00175 <span class="keywordtype">void</span> *userData ); +<a name="l00176"></a>00176 +<a name="l00177"></a>00177 +<a name="l00178"></a>00178 <span class="comment">// **************************************************************** //</span> +<a name="l00179"></a>00179 <span class="comment">//</span> +<a name="l00180"></a>00180 <span class="comment">// RtAudio class declaration.</span> +<a name="l00181"></a>00181 <span class="comment">//</span> +<a name="l00182"></a>00182 <span class="comment">// RtAudio is a "controller" used to select an available audio i/o</span> +<a name="l00183"></a>00183 <span class="comment">// interface. It presents a common API for the user to call but all</span> +<a name="l00184"></a>00184 <span class="comment">// functionality is implemented by the class RtApi and its</span> +<a name="l00185"></a>00185 <span class="comment">// subclasses. RtAudio creates an instance of an RtApi subclass</span> +<a name="l00186"></a>00186 <span class="comment">// based on the user's API choice. If no choice is made, RtAudio</span> +<a name="l00187"></a>00187 <span class="comment">// attempts to make a "logical" API selection.</span> +<a name="l00188"></a>00188 <span class="comment">//</span> +<a name="l00189"></a>00189 <span class="comment">// **************************************************************** //</span> +<a name="l00190"></a>00190 +<a name="l00191"></a>00191 <span class="keyword">class </span>RtApi; +<a name="l00192"></a>00192 +<a name="l00193"></a><a class="code" href="classRtAudio.html">00193</a> <span class="keyword">class </span><a class="code" href="classRtAudio.html">RtAudio</a> +<a name="l00194"></a>00194 { +<a name="l00195"></a>00195 <span class="keyword">public</span>: +<a name="l00196"></a>00196 +<a name="l00198"></a><a class="code" href="classRtAudio.html#w8">00198</a> <span class="keyword">enum</span> <a class="code" href="classRtAudio.html#w8">Api</a> { +<a name="l00199"></a>00199 <a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a>, +<a name="l00200"></a>00200 <a class="code" href="classRtAudio.html#w8w1">LINUX_ALSA</a>, +<a name="l00201"></a>00201 <a class="code" href="classRtAudio.html#w8w2">LINUX_OSS</a>, +<a name="l00202"></a>00202 <a class="code" href="classRtAudio.html#w8w3">UNIX_JACK</a>, +<a name="l00203"></a>00203 <a class="code" href="classRtAudio.html#w8w4">MACOSX_CORE</a>, +<a name="l00204"></a>00204 <a class="code" href="classRtAudio.html#w8w5">WINDOWS_ASIO</a>, +<a name="l00205"></a>00205 <a class="code" href="classRtAudio.html#w8w6">WINDOWS_DS</a>, +<a name="l00206"></a><a class="code" href="classRtAudio.html#w8w7">00206</a> <a class="code" href="classRtAudio.html#w8w7">RTAUDIO_DUMMY</a> +<a name="l00207"></a>00207 }; +<a name="l00208"></a>00208 +<a name="l00210"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html">00210</a> <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1DeviceInfo.html">DeviceInfo</a> { +<a name="l00211"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o0">00211</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o0">probed</a>; +<a name="l00212"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o1">00212</a> std::string <a class="code" href="structRtAudio_1_1DeviceInfo.html#o1">name</a>; +<a name="l00213"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o2">00213</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o2">outputChannels</a>; +<a name="l00214"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o3">00214</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o3">inputChannels</a>; +<a name="l00215"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o4">00215</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o4">duplexChannels</a>; +<a name="l00216"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o5">00216</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o5">isDefaultOutput</a>; +<a name="l00217"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o6">00217</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o6">isDefaultInput</a>; +<a name="l00218"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o7">00218</a> std::vector<unsigned int> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o7">sampleRates</a>; +<a name="l00219"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o8">00219</a> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o8">nativeFormats</a>; +<a name="l00221"></a>00221 <span class="comment">// Default constructor.</span> +<a name="l00222"></a>00222 <a class="code" href="structRtAudio_1_1DeviceInfo.html">DeviceInfo</a>() +<a name="l00223"></a>00223 :<a class="code" href="structRtAudio_1_1DeviceInfo.html#o0">probed</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o2">outputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o3">inputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o4">duplexChannels</a>(0), +<a name="l00224"></a>00224 <a class="code" href="structRtAudio_1_1DeviceInfo.html#o5">isDefaultOutput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o6">isDefaultInput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o8">nativeFormats</a>(0) {} +<a name="l00225"></a>00225 }; +<a name="l00226"></a>00226 +<a name="l00228"></a><a class="code" href="structRtAudio_1_1StreamParameters.html">00228</a> <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamParameters.html">StreamParameters</a> { +<a name="l00229"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#o0">00229</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#o0">deviceId</a>; +<a name="l00230"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#o1">00230</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#o1">nChannels</a>; +<a name="l00231"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#o2">00231</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#o2">firstChannel</a>; +<a name="l00233"></a>00233 <span class="comment">// Default constructor.</span> +<a name="l00234"></a>00234 <a class="code" href="structRtAudio_1_1StreamParameters.html">StreamParameters</a>() +<a name="l00235"></a>00235 : <a class="code" href="structRtAudio_1_1StreamParameters.html#o0">deviceId</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#o1">nChannels</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#o2">firstChannel</a>(0) {} +<a name="l00236"></a>00236 }; +<a name="l00237"></a>00237 +<a name="l00239"></a>00239 +<a name="l00284"></a><a class="code" href="structRtAudio_1_1StreamOptions.html">00284</a> <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamOptions.html">StreamOptions</a> { +<a name="l00285"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#o0">00285</a> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> <a class="code" href="structRtAudio_1_1StreamOptions.html#o0">flags</a>; +<a name="l00286"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#o1">00286</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#o1">numberOfBuffers</a>; +<a name="l00287"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#o2">00287</a> std::string <a class="code" href="structRtAudio_1_1StreamOptions.html#o2">streamName</a>; +<a name="l00289"></a>00289 <span class="comment">// Default constructor.</span> +<a name="l00290"></a>00290 <a class="code" href="structRtAudio_1_1StreamOptions.html">StreamOptions</a>() +<a name="l00291"></a>00291 : <a class="code" href="structRtAudio_1_1StreamOptions.html#o0">flags</a>(0), <a class="code" href="structRtAudio_1_1StreamOptions.html#o1">numberOfBuffers</a>(0) {} +<a name="l00292"></a>00292 }; <a name="l00293"></a>00293 -<a name="l00298"></a>00298 <span class="keywordtype">void</span> convertBuffer( <span class="keywordtype">char</span> *outBuffer, <span class="keywordtype">char</span> *inBuffer, ConvertInfo &info ); -<a name="l00299"></a>00299 -<a name="l00301"></a>00301 <span class="keywordtype">void</span> byteSwapBuffer( <span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> samples, RtAudioFormat format ); -<a name="l00302"></a>00302 -<a name="l00304"></a>00304 <span class="keywordtype">int</span> formatBytes( RtAudioFormat format ); -<a name="l00305"></a>00305 }; -<a name="l00306"></a>00306 -<a name="l00307"></a>00307 -<a name="l00308"></a>00308 <span class="comment">// **************************************************************** //</span> -<a name="l00309"></a>00309 <span class="comment">//</span> -<a name="l00310"></a>00310 <span class="comment">// RtAudio class declaration.</span> -<a name="l00311"></a>00311 <span class="comment">//</span> -<a name="l00312"></a>00312 <span class="comment">// RtAudio is a "controller" used to select an available audio i/o</span> -<a name="l00313"></a>00313 <span class="comment">// interface. It presents a common API for the user to call but all</span> -<a name="l00314"></a>00314 <span class="comment">// functionality is implemented by the class RtAudioApi and its</span> -<a name="l00315"></a>00315 <span class="comment">// subclasses. RtAudio creates an instance of an RtAudioApi subclass</span> -<a name="l00316"></a>00316 <span class="comment">// based on the user's API choice. If no choice is made, RtAudio</span> -<a name="l00317"></a>00317 <span class="comment">// attempts to make a "logical" API selection.</span> -<a name="l00318"></a>00318 <span class="comment">//</span> -<a name="l00319"></a>00319 <span class="comment">// **************************************************************** //</span> -<a name="l00320"></a>00320 -<a name="l00321"></a><a class="code" href="classRtAudio.html">00321</a> <span class="keyword">class </span><a class="code" href="classRtAudio.html">RtAudio</a> -<a name="l00322"></a>00322 { -<a name="l00323"></a>00323 <span class="keyword">public</span>: +<a name="l00295"></a>00295 +<a name="l00300"></a>00300 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#e0">getCompiledApi</a>( std::vector<RtAudio::Api> &apis ) <span class="keywordflow">throw</span>(); +<a name="l00301"></a>00301 +<a name="l00303"></a>00303 +<a name="l00311"></a>00311 <a class="code" href="classRtAudio.html#a0">RtAudio</a>( <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> api=<a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a> ) throw(); +<a name="l00312"></a>00312 +<a name="l00314"></a>00314 +<a name="l00318"></a>00318 ~<a class="code" href="classRtAudio.html">RtAudio</a>() throw(); +<a name="l00319"></a>00319 +<a name="l00321"></a>00321 <a class="code" href="classRtAudio.html">RtAudio</a>::<a class="code" href="classRtAudio.html#w8">Api</a> <a class="code" href="classRtAudio.html#a2">getCurrentApi</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00322"></a>00322 <a name="l00324"></a>00324 -<a name="l00326"></a><a class="code" href="classRtAudio.html#w8">00326</a> <span class="keyword">enum</span> <a class="code" href="classRtAudio.html#w8">RtAudioApi</a> { -<a name="l00327"></a>00327 <a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a>, -<a name="l00328"></a>00328 <a class="code" href="classRtAudio.html#w8w1">LINUX_ALSA</a>, -<a name="l00329"></a>00329 <a class="code" href="classRtAudio.html#w8w2">LINUX_OSS</a>, -<a name="l00330"></a>00330 <a class="code" href="classRtAudio.html#w8w3">LINUX_JACK</a>, -<a name="l00331"></a>00331 <a class="code" href="classRtAudio.html#w8w4">MACOSX_CORE</a>, -<a name="l00332"></a>00332 <a class="code" href="classRtAudio.html#w8w5">IRIX_AL</a>, -<a name="l00333"></a>00333 <a class="code" href="classRtAudio.html#w8w6">WINDOWS_ASIO</a>, -<a name="l00334"></a><a class="code" href="classRtAudio.html#w8w7">00334</a> <a class="code" href="classRtAudio.html#w8w7">WINDOWS_DS</a> -<a name="l00335"></a>00335 }; -<a name="l00336"></a>00336 -<a name="l00338"></a>00338 -<a name="l00348"></a>00348 <a class="code" href="classRtAudio.html#a0">RtAudio</a>( <a class="code" href="classRtAudio.html#w8">RtAudioApi</a> api=<a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a> ); -<a name="l00349"></a>00349 -<a name="l00351"></a>00351 -<a name="l00362"></a>00362 <a class="code" href="classRtAudio.html#a0">RtAudio</a>( <span class="keywordtype">int</span> outputDevice, <span class="keywordtype">int</span> outputChannels, -<a name="l00363"></a>00363 <span class="keywordtype">int</span> inputDevice, <span class="keywordtype">int</span> inputChannels, -<a name="l00364"></a>00364 RtAudioFormat format, <span class="keywordtype">int</span> sampleRate, -<a name="l00365"></a>00365 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers, <a class="code" href="classRtAudio.html#w8">RtAudioApi</a> api=<a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a> ); -<a name="l00366"></a>00366 -<a name="l00368"></a>00368 -<a name="l00376"></a>00376 <a class="code" href="classRtAudio.html#a0">RtAudio</a>( <span class="keywordtype">int</span> outputDevice, <span class="keywordtype">int</span> outputChannels, -<a name="l00377"></a>00377 <span class="keywordtype">int</span> inputDevice, <span class="keywordtype">int</span> inputChannels, -<a name="l00378"></a>00378 RtAudioFormat format, <span class="keywordtype">int</span> sampleRate, -<a name="l00379"></a>00379 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> *numberOfBuffers, <a class="code" href="classRtAudio.html#w8">RtAudioApi</a> api=<a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a> ); -<a name="l00380"></a>00380 -<a name="l00382"></a>00382 -<a name="l00386"></a>00386 <a class="code" href="classRtAudio.html#a3">~RtAudio</a>(); -<a name="l00387"></a>00387 -<a name="l00389"></a>00389 -<a name="l00415"></a>00415 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a4">openStream</a>( <span class="keywordtype">int</span> outputDevice, <span class="keywordtype">int</span> outputChannels, -<a name="l00416"></a>00416 <span class="keywordtype">int</span> inputDevice, <span class="keywordtype">int</span> inputChannels, -<a name="l00417"></a>00417 RtAudioFormat format, <span class="keywordtype">int</span> sampleRate, -<a name="l00418"></a>00418 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00419"></a>00419 -<a name="l00421"></a>00421 -<a name="l00429"></a>00429 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a4">openStream</a>( <span class="keywordtype">int</span> outputDevice, <span class="keywordtype">int</span> outputChannels, -<a name="l00430"></a>00430 <span class="keywordtype">int</span> inputDevice, <span class="keywordtype">int</span> inputChannels, -<a name="l00431"></a>00431 RtAudioFormat format, <span class="keywordtype">int</span> sampleRate, -<a name="l00432"></a>00432 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> *numberOfBuffers ); -<a name="l00433"></a>00433 -<a name="l00435"></a>00435 -<a name="l00454"></a><a class="code" href="classRtAudio.html#a6">00454</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a6">setStreamCallback</a>(RtAudioCallback callback, <span class="keywordtype">void</span> *userData) { rtapi_->setStreamCallback( callback, userData ); }; +<a name="l00329"></a>00329 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3">getDeviceCount</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00330"></a>00330 +<a name="l00332"></a>00332 +<a name="l00342"></a>00342 <a class="code" href="classRtAudio.html">RtAudio</a>::DeviceInfo <a class="code" href="classRtAudio.html#a4">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00343"></a>00343 +<a name="l00345"></a>00345 +<a name="l00352"></a>00352 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a5">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00353"></a>00353 +<a name="l00355"></a>00355 +<a name="l00362"></a>00362 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a6">getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00363"></a>00363 +<a name="l00365"></a>00365 +<a name="l00402"></a>00402 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a7">openStream</a>( <a class="code" href="classRtAudio.html">RtAudio</a>::StreamParameters *outputParameters, +<a name="l00403"></a>00403 <a class="code" href="classRtAudio.html">RtAudio</a>::StreamParameters *inputParameters, +<a name="l00404"></a>00404 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00405"></a>00405 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#a15">RtAudioCallback</a> callback, +<a name="l00406"></a>00406 <span class="keywordtype">void</span> *userData = NULL, <a class="code" href="classRtAudio.html">RtAudio</a>::StreamOptions *options = NULL ); +<a name="l00407"></a>00407 +<a name="l00409"></a>00409 +<a name="l00413"></a>00413 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a8">closeStream</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00414"></a>00414 +<a name="l00416"></a>00416 +<a name="l00422"></a>00422 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a9">startStream</a>( <span class="keywordtype">void</span> ); +<a name="l00423"></a>00423 +<a name="l00425"></a>00425 +<a name="l00431"></a>00431 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a10">stopStream</a>( <span class="keywordtype">void</span> ); +<a name="l00432"></a>00432 +<a name="l00434"></a>00434 +<a name="l00440"></a>00440 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">abortStream</a>( <span class="keywordtype">void</span> ); +<a name="l00441"></a>00441 +<a name="l00443"></a>00443 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a12">isStreamOpen</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00444"></a>00444 +<a name="l00446"></a>00446 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a13">isStreamRunning</a>( <span class="keywordtype">void</span> ) throw(); +<a name="l00447"></a>00447 +<a name="l00449"></a>00449 +<a name="l00452"></a>00452 <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a14">getStreamTime</a>( <span class="keywordtype">void</span> ); +<a name="l00453"></a>00453 <a name="l00455"></a>00455 -<a name="l00457"></a>00457 -<a name="l00464"></a><a class="code" href="classRtAudio.html#a7">00464</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a7">cancelStreamCallback</a>() { rtapi_->cancelStreamCallback(); }; -<a name="l00465"></a>00465 -<a name="l00467"></a><a class="code" href="classRtAudio.html#a8">00467</a> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a8">getDeviceCount</a>(<span class="keywordtype">void</span>) { <span class="keywordflow">return</span> rtapi_->getDeviceCount(); }; -<a name="l00468"></a>00468 -<a name="l00470"></a>00470 -<a name="l00478"></a><a class="code" href="classRtAudio.html#a9">00478</a> <a class="code" href="structRtAudioDeviceInfo.html">RtAudioDeviceInfo</a> <a class="code" href="classRtAudio.html#a9">getDeviceInfo</a>(<span class="keywordtype">int</span> device) { <span class="keywordflow">return</span> rtapi_->getDeviceInfo( device ); }; -<a name="l00479"></a>00479 +<a name="l00463"></a>00463 <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a15">getStreamLatency</a>( <span class="keywordtype">void</span> ); +<a name="l00464"></a>00464 +<a name="l00466"></a>00466 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a16">showWarnings</a>( <span class="keywordtype">bool</span> value = true ) throw(); +<a name="l00467"></a>00467 +<a name="l00468"></a>00468 protected: +<a name="l00469"></a>00469 +<a name="l00470"></a>00470 <span class="keywordtype">void</span> openRtApi( <a class="code" href="classRtAudio.html">RtAudio</a>::<a class="code" href="classRtAudio.html#w8">Api</a> api ); +<a name="l00471"></a>00471 RtApi *rtapi_; +<a name="l00472"></a>00472 }; +<a name="l00473"></a>00473 +<a name="l00474"></a>00474 <span class="comment">// Operating system dependent thread functionality.</span> +<a name="l00475"></a>00475 #if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__) +<a name="l00476"></a>00476 #include <windows.h> +<a name="l00477"></a>00477 #include <process.h> +<a name="l00478"></a>00478 +<a name="l00479"></a>00479 typedef <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ThreadHandle; +<a name="l00480"></a>00480 typedef CRITICAL_SECTION StreamMutex; <a name="l00481"></a>00481 -<a name="l00486"></a><a class="code" href="classRtAudio.html#a10">00486</a> <span class="keywordtype">char</span> * <span class="keyword">const</span> <a class="code" href="classRtAudio.html#a10">getStreamBuffer</a>() { <span class="keywordflow">return</span> rtapi_->getStreamBuffer(); }; -<a name="l00487"></a>00487 -<a name="l00489"></a>00489 -<a name="l00494"></a><a class="code" href="classRtAudio.html#a11">00494</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">tickStream</a>() { rtapi_->tickStream(); }; -<a name="l00495"></a>00495 -<a name="l00497"></a>00497 -<a name="l00501"></a><a class="code" href="classRtAudio.html#a12">00501</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a12">closeStream</a>() { rtapi_->closeStream(); }; -<a name="l00502"></a>00502 -<a name="l00504"></a>00504 -<a name="l00508"></a><a class="code" href="classRtAudio.html#a13">00508</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a13">startStream</a>() { rtapi_->startStream(); }; -<a name="l00509"></a>00509 -<a name="l00511"></a>00511 -<a name="l00515"></a><a class="code" href="classRtAudio.html#a14">00515</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a14">stopStream</a>() { rtapi_->stopStream(); }; -<a name="l00516"></a>00516 -<a name="l00518"></a>00518 -<a name="l00522"></a><a class="code" href="classRtAudio.html#a15">00522</a> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a15">abortStream</a>() { rtapi_->abortStream(); }; -<a name="l00523"></a>00523 -<a name="l00524"></a>00524 -<a name="l00525"></a>00525 <span class="keyword">protected</span>: +<a name="l00482"></a>00482 #elif defined(__LINUX_ALSA__) || defined(__UNIX_JACK__) || defined(__LINUX_OSS__) || defined(__MACOSX_CORE__) +<a name="l00483"></a>00483 <span class="comment">// Using pthread library for various flavors of unix.</span> +<a name="l00484"></a>00484 #include <pthread.h> +<a name="l00485"></a>00485 +<a name="l00486"></a>00486 typedef pthread_t ThreadHandle; +<a name="l00487"></a>00487 typedef pthread_mutex_t StreamMutex; +<a name="l00488"></a>00488 +<a name="l00489"></a>00489 #else <span class="comment">// Setup for "dummy" behavior</span> +<a name="l00490"></a>00490 +<a name="l00491"></a>00491 #define __RTAUDIO_DUMMY__ +<a name="l00492"></a>00492 typedef <span class="keywordtype">int</span> ThreadHandle; +<a name="l00493"></a>00493 typedef <span class="keywordtype">int</span> StreamMutex; +<a name="l00494"></a>00494 +<a name="l00495"></a>00495 #endif +<a name="l00496"></a>00496 +<a name="l00497"></a>00497 <span class="comment">// This global structure type is used to pass callback information</span> +<a name="l00498"></a>00498 <span class="comment">// between the private RtAudio stream structure and global callback</span> +<a name="l00499"></a>00499 <span class="comment">// handling functions.</span> +<a name="l00500"></a>00500 struct CallbackInfo { +<a name="l00501"></a>00501 <span class="keywordtype">void</span> *object; <span class="comment">// Used as a "this" pointer.</span> +<a name="l00502"></a>00502 ThreadHandle thread; +<a name="l00503"></a>00503 <span class="keywordtype">void</span> *callback; +<a name="l00504"></a>00504 <span class="keywordtype">void</span> *userData; +<a name="l00505"></a>00505 <span class="keywordtype">void</span> *apiInfo; <span class="comment">// void pointer for API specific callback information</span> +<a name="l00506"></a>00506 <span class="keywordtype">bool</span> isRunning; +<a name="l00507"></a>00507 +<a name="l00508"></a>00508 <span class="comment">// Default constructor.</span> +<a name="l00509"></a>00509 CallbackInfo() +<a name="l00510"></a>00510 :object(0), callback(0), userData(0), apiInfo(0), isRunning(false) {} +<a name="l00511"></a>00511 }; +<a name="l00512"></a>00512 +<a name="l00513"></a>00513 <span class="comment">// **************************************************************** //</span> +<a name="l00514"></a>00514 <span class="comment">//</span> +<a name="l00515"></a>00515 <span class="comment">// RtApi class declaration.</span> +<a name="l00516"></a>00516 <span class="comment">//</span> +<a name="l00517"></a>00517 <span class="comment">// Subclasses of RtApi contain all API- and OS-specific code necessary</span> +<a name="l00518"></a>00518 <span class="comment">// to fully implement the RtAudio API.</span> +<a name="l00519"></a>00519 <span class="comment">//</span> +<a name="l00520"></a>00520 <span class="comment">// Note that RtApi is an abstract base class and cannot be</span> +<a name="l00521"></a>00521 <span class="comment">// explicitly instantiated. The class RtAudio will create an</span> +<a name="l00522"></a>00522 <span class="comment">// instance of an RtApi subclass (RtApiOss, RtApiAlsa,</span> +<a name="l00523"></a>00523 <span class="comment">// RtApiJack, RtApiCore, RtApiAl, RtApiDs, or RtApiAsio).</span> +<a name="l00524"></a>00524 <span class="comment">//</span> +<a name="l00525"></a>00525 <span class="comment">// **************************************************************** //</span> <a name="l00526"></a>00526 -<a name="l00527"></a>00527 <span class="keywordtype">void</span> initialize( <a class="code" href="classRtAudio.html#w8">RtAudioApi</a> api ); -<a name="l00528"></a>00528 -<a name="l00529"></a>00529 RtApi *rtapi_; -<a name="l00530"></a>00530 }; -<a name="l00531"></a>00531 +<a name="l00527"></a>00527 <span class="preprocessor">#if defined( HAVE_GETTIMEOFDAY )</span> +<a name="l00528"></a>00528 <span class="preprocessor"></span><span class="preprocessor"> #include <sys/time.h></span> +<a name="l00529"></a>00529 <span class="preprocessor">#endif</span> +<a name="l00530"></a>00530 <span class="preprocessor"></span> +<a name="l00531"></a>00531 <span class="preprocessor">#include <sstream></span> <a name="l00532"></a>00532 -<a name="l00533"></a>00533 <span class="comment">// RtApi Subclass prototypes.</span> -<a name="l00534"></a>00534 -<a name="l00535"></a>00535 <span class="preprocessor">#if defined(__LINUX_ALSA__)</span> -<a name="l00536"></a>00536 <span class="preprocessor"></span> -<a name="l00537"></a>00537 <span class="keyword">class </span>RtApiAlsa: <span class="keyword">public</span> RtApi -<a name="l00538"></a>00538 { -<a name="l00539"></a>00539 <span class="keyword">public</span>: -<a name="l00540"></a>00540 -<a name="l00541"></a>00541 RtApiAlsa(); -<a name="l00542"></a>00542 ~RtApiAlsa(); -<a name="l00543"></a>00543 <span class="keywordtype">void</span> tickStream(); -<a name="l00544"></a>00544 <span class="keywordtype">void</span> closeStream(); -<a name="l00545"></a>00545 <span class="keywordtype">void</span> startStream(); -<a name="l00546"></a>00546 <span class="keywordtype">void</span> stopStream(); -<a name="l00547"></a>00547 <span class="keywordtype">void</span> abortStream(); -<a name="l00548"></a>00548 <span class="keywordtype">int</span> streamWillBlock(); -<a name="l00549"></a>00549 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00550"></a>00550 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00551"></a>00551 -<a name="l00552"></a>00552 <span class="keyword">private</span>: -<a name="l00553"></a>00553 -<a name="l00554"></a>00554 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00555"></a>00555 <span class="keywordtype">bool</span> primeOutputBuffer(); -<a name="l00556"></a>00556 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00557"></a>00557 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00558"></a>00558 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00559"></a>00559 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00560"></a>00560 }; +<a name="l00533"></a>00533 <span class="keyword">class </span>RtApi +<a name="l00534"></a>00534 { +<a name="l00535"></a>00535 <span class="keyword">public</span>: +<a name="l00536"></a>00536 +<a name="l00537"></a>00537 RtApi(); +<a name="l00538"></a>00538 <span class="keyword">virtual</span> ~RtApi(); +<a name="l00539"></a>00539 <span class="keyword">virtual</span> <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a2">getCurrentApi</a>( <span class="keywordtype">void</span> ) = 0; +<a name="l00540"></a>00540 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3">getDeviceCount</a>( <span class="keywordtype">void</span> ) = 0; +<a name="l00541"></a>00541 <span class="keyword">virtual</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a4">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) = 0; +<a name="l00542"></a>00542 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a6">getDefaultInputDevice</a>( <span class="keywordtype">void</span> ); +<a name="l00543"></a>00543 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a5">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ); +<a name="l00544"></a>00544 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a7">openStream</a>( <a class="code" href="structRtAudio_1_1StreamParameters.html">RtAudio::StreamParameters</a> *outputParameters, +<a name="l00545"></a>00545 <a class="code" href="structRtAudio_1_1StreamParameters.html">RtAudio::StreamParameters</a> *inputParameters, +<a name="l00546"></a>00546 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00547"></a>00547 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#a15">RtAudioCallback</a> callback, +<a name="l00548"></a>00548 <span class="keywordtype">void</span> *userData, <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00549"></a>00549 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a8">closeStream</a>( <span class="keywordtype">void</span> ); +<a name="l00550"></a>00550 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a9">startStream</a>( <span class="keywordtype">void</span> ) = 0; +<a name="l00551"></a>00551 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a10">stopStream</a>( <span class="keywordtype">void</span> ) = 0; +<a name="l00552"></a>00552 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">abortStream</a>( <span class="keywordtype">void</span> ) = 0; +<a name="l00553"></a>00553 <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a15">getStreamLatency</a>( <span class="keywordtype">void</span> ); +<a name="l00554"></a>00554 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a14">getStreamTime</a>( <span class="keywordtype">void</span> ); +<a name="l00555"></a>00555 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a12">isStreamOpen</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> stream_.state != STREAM_CLOSED; }; +<a name="l00556"></a>00556 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a13">isStreamRunning</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> stream_.state == STREAM_RUNNING; }; +<a name="l00557"></a>00557 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a16">showWarnings</a>( <span class="keywordtype">bool</span> value ) { showWarnings_ = value; }; +<a name="l00558"></a>00558 +<a name="l00559"></a>00559 +<a name="l00560"></a>00560 <span class="keyword">protected</span>: <a name="l00561"></a>00561 -<a name="l00562"></a>00562 <span class="preprocessor">#endif</span> -<a name="l00563"></a>00563 <span class="preprocessor"></span> -<a name="l00564"></a>00564 <span class="preprocessor">#if defined(__LINUX_JACK__)</span> -<a name="l00565"></a>00565 <span class="preprocessor"></span> -<a name="l00566"></a>00566 <span class="keyword">class </span>RtApiJack: <span class="keyword">public</span> RtApi -<a name="l00567"></a>00567 { -<a name="l00568"></a>00568 <span class="keyword">public</span>: -<a name="l00569"></a>00569 -<a name="l00570"></a>00570 RtApiJack(); -<a name="l00571"></a>00571 ~RtApiJack(); -<a name="l00572"></a>00572 <span class="keywordtype">void</span> tickStream(); -<a name="l00573"></a>00573 <span class="keywordtype">void</span> closeStream(); -<a name="l00574"></a>00574 <span class="keywordtype">void</span> startStream(); -<a name="l00575"></a>00575 <span class="keywordtype">void</span> stopStream(); -<a name="l00576"></a>00576 <span class="keywordtype">void</span> abortStream(); -<a name="l00577"></a>00577 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00578"></a>00578 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00579"></a>00579 <span class="comment">// This function is intended for internal use only. It must be</span> -<a name="l00580"></a>00580 <span class="comment">// public because it is called by the internal callback handler,</span> -<a name="l00581"></a>00581 <span class="comment">// which is not a member of RtAudio. External use of this function</span> -<a name="l00582"></a>00582 <span class="comment">// will most likely produce highly undesireable results!</span> -<a name="l00583"></a>00583 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes ); -<a name="l00584"></a>00584 -<a name="l00585"></a>00585 <span class="keyword">private</span>: -<a name="l00586"></a>00586 -<a name="l00587"></a>00587 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00588"></a>00588 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00589"></a>00589 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00590"></a>00590 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00591"></a>00591 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00592"></a>00592 }; -<a name="l00593"></a>00593 -<a name="l00594"></a>00594 <span class="preprocessor">#endif</span> -<a name="l00595"></a>00595 <span class="preprocessor"></span> -<a name="l00596"></a>00596 <span class="preprocessor">#if defined(__LINUX_OSS__)</span> -<a name="l00597"></a>00597 <span class="preprocessor"></span> -<a name="l00598"></a>00598 <span class="keyword">class </span>RtApiOss: <span class="keyword">public</span> RtApi -<a name="l00599"></a>00599 { -<a name="l00600"></a>00600 <span class="keyword">public</span>: -<a name="l00601"></a>00601 -<a name="l00602"></a>00602 RtApiOss(); -<a name="l00603"></a>00603 ~RtApiOss(); -<a name="l00604"></a>00604 <span class="keywordtype">void</span> tickStream(); -<a name="l00605"></a>00605 <span class="keywordtype">void</span> closeStream(); -<a name="l00606"></a>00606 <span class="keywordtype">void</span> startStream(); -<a name="l00607"></a>00607 <span class="keywordtype">void</span> stopStream(); -<a name="l00608"></a>00608 <span class="keywordtype">void</span> abortStream(); -<a name="l00609"></a>00609 <span class="keywordtype">int</span> streamWillBlock(); -<a name="l00610"></a>00610 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00611"></a>00611 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00612"></a>00612 -<a name="l00613"></a>00613 <span class="keyword">private</span>: -<a name="l00614"></a>00614 -<a name="l00615"></a>00615 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00616"></a>00616 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00617"></a>00617 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00618"></a>00618 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00619"></a>00619 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00620"></a>00620 }; -<a name="l00621"></a>00621 -<a name="l00622"></a>00622 <span class="preprocessor">#endif</span> -<a name="l00623"></a>00623 <span class="preprocessor"></span> -<a name="l00624"></a>00624 <span class="preprocessor">#if defined(__MACOSX_CORE__)</span> -<a name="l00625"></a>00625 <span class="preprocessor"></span> -<a name="l00626"></a>00626 <span class="preprocessor">#include <CoreAudio/AudioHardware.h></span> -<a name="l00627"></a>00627 -<a name="l00628"></a>00628 <span class="keyword">class </span>RtApiCore: <span class="keyword">public</span> RtApi -<a name="l00629"></a>00629 { -<a name="l00630"></a>00630 <span class="keyword">public</span>: -<a name="l00631"></a>00631 -<a name="l00632"></a>00632 RtApiCore(); -<a name="l00633"></a>00633 ~RtApiCore(); -<a name="l00634"></a>00634 <span class="keywordtype">int</span> getDefaultOutputDevice(<span class="keywordtype">void</span>); -<a name="l00635"></a>00635 <span class="keywordtype">int</span> getDefaultInputDevice(<span class="keywordtype">void</span>); -<a name="l00636"></a>00636 <span class="keywordtype">void</span> tickStream(); -<a name="l00637"></a>00637 <span class="keywordtype">void</span> closeStream(); -<a name="l00638"></a>00638 <span class="keywordtype">void</span> startStream(); -<a name="l00639"></a>00639 <span class="keywordtype">void</span> stopStream(); -<a name="l00640"></a>00640 <span class="keywordtype">void</span> abortStream(); -<a name="l00641"></a>00641 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00642"></a>00642 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00643"></a>00643 -<a name="l00644"></a>00644 <span class="comment">// This function is intended for internal use only. It must be</span> -<a name="l00645"></a>00645 <span class="comment">// public because it is called by the internal callback handler,</span> -<a name="l00646"></a>00646 <span class="comment">// which is not a member of RtAudio. External use of this function</span> -<a name="l00647"></a>00647 <span class="comment">// will most likely produce highly undesireable results!</span> -<a name="l00648"></a>00648 <span class="keywordtype">void</span> callbackEvent( AudioDeviceID deviceId, <span class="keywordtype">void</span> *inData, <span class="keywordtype">void</span> *outData ); -<a name="l00649"></a>00649 -<a name="l00650"></a>00650 <span class="keyword">private</span>: -<a name="l00651"></a>00651 -<a name="l00652"></a>00652 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00653"></a>00653 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00654"></a>00654 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00655"></a>00655 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00656"></a>00656 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00657"></a>00657 }; -<a name="l00658"></a>00658 -<a name="l00659"></a>00659 <span class="preprocessor">#endif</span> -<a name="l00660"></a>00660 <span class="preprocessor"></span> -<a name="l00661"></a>00661 <span class="preprocessor">#if defined(__WINDOWS_DS__)</span> -<a name="l00662"></a>00662 <span class="preprocessor"></span> -<a name="l00663"></a>00663 <span class="keyword">class </span>RtApiDs: <span class="keyword">public</span> RtApi -<a name="l00664"></a>00664 { -<a name="l00665"></a>00665 <span class="keyword">public</span>: -<a name="l00666"></a>00666 -<a name="l00667"></a>00667 RtApiDs(); -<a name="l00668"></a>00668 ~RtApiDs(); -<a name="l00669"></a>00669 <span class="keywordtype">int</span> getDefaultOutputDevice(<span class="keywordtype">void</span>); -<a name="l00670"></a>00670 <span class="keywordtype">int</span> getDefaultInputDevice(<span class="keywordtype">void</span>); -<a name="l00671"></a>00671 <span class="keywordtype">void</span> tickStream(); -<a name="l00672"></a>00672 <span class="keywordtype">void</span> closeStream(); -<a name="l00673"></a>00673 <span class="keywordtype">void</span> startStream(); -<a name="l00674"></a>00674 <span class="keywordtype">void</span> stopStream(); -<a name="l00675"></a>00675 <span class="keywordtype">void</span> abortStream(); -<a name="l00676"></a>00676 <span class="keywordtype">int</span> streamWillBlock(); -<a name="l00677"></a>00677 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00678"></a>00678 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00679"></a>00679 -<a name="l00680"></a>00680 <span class="keyword">public</span>: -<a name="l00681"></a>00681 <span class="comment">// \brief Internal structure that provide debug information on the state of a running DSound device.</span> -<a name="l00682"></a>00682 <span class="keyword">struct </span>RtDsStatistics { -<a name="l00683"></a>00683 <span class="comment">// \brief Sample Rate.</span> -<a name="l00684"></a>00684 <span class="keywordtype">long</span> sampleRate; -<a name="l00685"></a>00685 <span class="comment">// \brief The size of one sample * number of channels on the input device.</span> -<a name="l00686"></a>00686 <span class="keywordtype">int</span> inputFrameSize; -<a name="l00687"></a>00687 <span class="comment">// \brief The size of one sample * number of channels on the output device.</span> -<a name="l00688"></a>00688 <span class="keywordtype">int</span> outputFrameSize; -<a name="l00689"></a>00689 <span class="comment">/* \brief The number of times the read pointer had to be adjusted to avoid reading from an unsafe buffer position.</span> -<a name="l00690"></a>00690 <span class="comment"> *</span> -<a name="l00691"></a>00691 <span class="comment"> * This field is only used when running in DUPLEX mode. INPUT mode devices just wait until the data is </span> -<a name="l00692"></a>00692 <span class="comment"> * available.</span> -<a name="l00693"></a>00693 <span class="comment"> */</span> -<a name="l00694"></a>00694 <span class="keywordtype">int</span> numberOfReadOverruns; -<a name="l00695"></a>00695 <span class="comment">// \brief The number of times the write pointer had to be adjusted to avoid writing in an unsafe buffer position.</span> -<a name="l00696"></a>00696 <span class="keywordtype">int</span> numberOfWriteUnderruns; -<a name="l00697"></a>00697 <span class="comment">// \brief Number of bytes by attribute to buffer configuration by which writing must lead the current write pointer.</span> -<a name="l00698"></a>00698 <span class="keywordtype">int</span> writeDeviceBufferLeadBytes; -<a name="l00699"></a>00699 <span class="comment">// \brief Number of bytes by attributable to the device driver by which writing must lead the current write pointer on this output device.</span> -<a name="l00700"></a>00700 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> writeDeviceSafeLeadBytes; -<a name="l00701"></a>00701 <span class="comment">// \brief Number of bytes by which reading must trail the current read pointer on this input device.</span> -<a name="l00702"></a>00702 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> readDeviceSafeLeadBytes; -<a name="l00703"></a>00703 <span class="comment">/* \brief Estimated latency in seconds. </span> -<a name="l00704"></a>00704 <span class="comment"> *</span> -<a name="l00705"></a>00705 <span class="comment"> * For INPUT mode devices, based the latency of the device's safe read pointer, plus one buffer's</span> -<a name="l00706"></a>00706 <span class="comment"> * worth of additional latency.</span> -<a name="l00707"></a>00707 <span class="comment"> *</span> -<a name="l00708"></a>00708 <span class="comment"> * For OUTPUT mode devices, the latency of the device's safe write pointer, plus N buffers of </span> -<a name="l00709"></a>00709 <span class="comment"> * additional buffer latency.</span> -<a name="l00710"></a>00710 <span class="comment"> *</span> -<a name="l00711"></a>00711 <span class="comment"> * For DUPLEX devices, the sum of latencies for both input and output devices. DUPLEX devices</span> -<a name="l00712"></a>00712 <span class="comment"> * also back off the read pointers an additional amount in order to maintain synchronization </span> -<a name="l00713"></a>00713 <span class="comment"> * between out-of-phase read and write pointers. This time is also included.</span> -<a name="l00714"></a>00714 <span class="comment"> *</span> -<a name="l00715"></a>00715 <span class="comment"> * Note that most software packages report latency between the safe write pointer </span> -<a name="l00716"></a>00716 <span class="comment"> * and the software lead pointer, excluding the hardware device's safe write pointer </span> -<a name="l00717"></a>00717 <span class="comment"> * latency. Figures of 1 or 2ms of latency on Windows audio devices are invariably of this type.</span> -<a name="l00718"></a>00718 <span class="comment"> * The reality is that hardware devices often have latencies of 30ms or more (often much </span> -<a name="l00719"></a>00719 <span class="comment"> * higher for duplex operation).</span> -<a name="l00720"></a>00720 <span class="comment"> */</span> -<a name="l00721"></a>00721 -<a name="l00722"></a>00722 <span class="keywordtype">double</span> latency; -<a name="l00723"></a>00723 }; -<a name="l00724"></a>00724 <span class="comment">// \brief Report on the current state of a running DSound device.</span> -<a name="l00725"></a>00725 <span class="keyword">static</span> RtDsStatistics getDsStatistics(); -<a name="l00726"></a>00726 -<a name="l00727"></a>00727 <span class="keyword">private</span>: -<a name="l00728"></a>00728 -<a name="l00729"></a>00729 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00730"></a>00730 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00731"></a>00731 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00732"></a>00732 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00733"></a>00733 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00734"></a>00734 -<a name="l00735"></a>00735 <span class="keywordtype">bool</span> coInitialized; -<a name="l00736"></a>00736 <span class="keywordtype">bool</span> buffersRolling; -<a name="l00737"></a>00737 <span class="keywordtype">long</span> duplexPrerollBytes; -<a name="l00738"></a>00738 <span class="keyword">static</span> RtDsStatistics statistics; -<a name="l00739"></a>00739 -<a name="l00740"></a>00740 }; -<a name="l00741"></a>00741 -<a name="l00742"></a>00742 <span class="preprocessor">#endif</span> -<a name="l00743"></a>00743 <span class="preprocessor"></span> -<a name="l00744"></a>00744 <span class="preprocessor">#if defined(__WINDOWS_ASIO__)</span> -<a name="l00745"></a>00745 <span class="preprocessor"></span> -<a name="l00746"></a>00746 <span class="keyword">class </span>RtApiAsio: <span class="keyword">public</span> RtApi -<a name="l00747"></a>00747 { -<a name="l00748"></a>00748 <span class="keyword">public</span>: -<a name="l00749"></a>00749 -<a name="l00750"></a>00750 RtApiAsio(); -<a name="l00751"></a>00751 ~RtApiAsio(); -<a name="l00752"></a>00752 <span class="keywordtype">void</span> tickStream(); -<a name="l00753"></a>00753 <span class="keywordtype">void</span> closeStream(); -<a name="l00754"></a>00754 <span class="keywordtype">void</span> startStream(); -<a name="l00755"></a>00755 <span class="keywordtype">void</span> stopStream(); -<a name="l00756"></a>00756 <span class="keywordtype">void</span> abortStream(); -<a name="l00757"></a>00757 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00758"></a>00758 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00759"></a>00759 -<a name="l00760"></a>00760 <span class="comment">// This function is intended for internal use only. It must be</span> -<a name="l00761"></a>00761 <span class="comment">// public because it is called by the internal callback handler,</span> -<a name="l00762"></a>00762 <span class="comment">// which is not a member of RtAudio. External use of this function</span> -<a name="l00763"></a>00763 <span class="comment">// will most likely produce highly undesireable results!</span> -<a name="l00764"></a>00764 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">long</span> bufferIndex ); -<a name="l00765"></a>00765 -<a name="l00766"></a>00766 <span class="keyword">private</span>: +<a name="l00562"></a>00562 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MAX_SAMPLE_RATES; +<a name="l00563"></a>00563 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SAMPLE_RATES[]; +<a name="l00564"></a>00564 +<a name="l00565"></a>00565 <span class="keyword">enum</span> { FAILURE, SUCCESS }; +<a name="l00566"></a>00566 +<a name="l00567"></a>00567 <span class="keyword">enum</span> ErrorType { +<a name="l00568"></a>00568 WARNING, +<a name="l00569"></a>00569 INVALID_CALL, +<a name="l00570"></a>00570 SYSTEM +<a name="l00571"></a>00571 }; +<a name="l00572"></a>00572 +<a name="l00573"></a>00573 <span class="keyword">enum</span> StreamState { +<a name="l00574"></a>00574 STREAM_STOPPED, +<a name="l00575"></a>00575 STREAM_RUNNING, +<a name="l00576"></a>00576 STREAM_CLOSED = -50 +<a name="l00577"></a>00577 }; +<a name="l00578"></a>00578 +<a name="l00579"></a>00579 <span class="keyword">enum</span> StreamMode { +<a name="l00580"></a>00580 OUTPUT, +<a name="l00581"></a>00581 INPUT, +<a name="l00582"></a>00582 DUPLEX, +<a name="l00583"></a>00583 UNINITIALIZED = -75 +<a name="l00584"></a>00584 }; +<a name="l00585"></a>00585 +<a name="l00586"></a>00586 <span class="comment">// A protected structure used for buffer conversion.</span> +<a name="l00587"></a>00587 <span class="keyword">struct </span>ConvertInfo { +<a name="l00588"></a>00588 <span class="keywordtype">int</span> channels; +<a name="l00589"></a>00589 <span class="keywordtype">int</span> inJump, outJump; +<a name="l00590"></a>00590 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> inFormat, outFormat; +<a name="l00591"></a>00591 std::vector<int> inOffset; +<a name="l00592"></a>00592 std::vector<int> outOffset; +<a name="l00593"></a>00593 }; +<a name="l00594"></a>00594 +<a name="l00595"></a>00595 <span class="comment">// A protected structure for audio streams.</span> +<a name="l00596"></a>00596 <span class="keyword">struct </span>RtApiStream { +<a name="l00597"></a>00597 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00598"></a>00598 <span class="keywordtype">void</span> *apiHandle; <span class="comment">// void pointer for API specific stream handle information</span> +<a name="l00599"></a>00599 StreamMode mode; <span class="comment">// OUTPUT, INPUT, or DUPLEX.</span> +<a name="l00600"></a>00600 StreamState state; <span class="comment">// STOPPED, RUNNING, or CLOSED</span> +<a name="l00601"></a>00601 <span class="keywordtype">char</span> *userBuffer[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00602"></a>00602 <span class="keywordtype">char</span> *deviceBuffer; +<a name="l00603"></a>00603 <span class="keywordtype">bool</span> doConvertBuffer[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00604"></a>00604 <span class="keywordtype">bool</span> userInterleaved; +<a name="l00605"></a>00605 <span class="keywordtype">bool</span> deviceInterleaved[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00606"></a>00606 <span class="keywordtype">bool</span> doByteSwap[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00607"></a>00607 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate; +<a name="l00608"></a>00608 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferSize; +<a name="l00609"></a>00609 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBuffers; +<a name="l00610"></a>00610 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nUserChannels[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00611"></a>00611 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nDeviceChannels[2]; <span class="comment">// Playback and record channels, respectively.</span> +<a name="l00612"></a>00612 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channelOffset[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00613"></a>00613 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> latency[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00614"></a>00614 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> userFormat; +<a name="l00615"></a>00615 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> deviceFormat[2]; <span class="comment">// Playback and record, respectively.</span> +<a name="l00616"></a>00616 StreamMutex mutex; +<a name="l00617"></a>00617 CallbackInfo callbackInfo; +<a name="l00618"></a>00618 ConvertInfo convertInfo[2]; +<a name="l00619"></a>00619 <span class="keywordtype">double</span> streamTime; <span class="comment">// Number of elapsed seconds since the stream started.</span> +<a name="l00620"></a>00620 +<a name="l00621"></a>00621 <span class="preprocessor">#if defined(HAVE_GETTIMEOFDAY)</span> +<a name="l00622"></a>00622 <span class="preprocessor"></span> <span class="keyword">struct </span>timeval lastTickTimestamp; +<a name="l00623"></a>00623 <span class="preprocessor">#endif</span> +<a name="l00624"></a>00624 <span class="preprocessor"></span> +<a name="l00625"></a>00625 RtApiStream() +<a name="l00626"></a>00626 :apiHandle(0), deviceBuffer(0) {} +<a name="l00627"></a>00627 }; +<a name="l00628"></a>00628 +<a name="l00629"></a>00629 <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> Int16; +<a name="l00630"></a>00630 <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">int</span> Int32; +<a name="l00631"></a>00631 <span class="keyword">typedef</span> <span class="keywordtype">float</span> Float32; +<a name="l00632"></a>00632 <span class="keyword">typedef</span> <span class="keywordtype">double</span> Float64; +<a name="l00633"></a>00633 +<a name="l00634"></a>00634 std::ostringstream errorStream_; +<a name="l00635"></a>00635 std::string errorText_; +<a name="l00636"></a>00636 <span class="keywordtype">bool</span> showWarnings_; +<a name="l00637"></a>00637 RtApiStream stream_; +<a name="l00638"></a>00638 +<a name="l00646"></a>00646 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00647"></a>00647 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00648"></a>00648 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00649"></a>00649 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00650"></a>00650 +<a name="l00652"></a>00652 <span class="keywordtype">void</span> tickStreamTime( <span class="keywordtype">void</span> ); +<a name="l00653"></a>00653 +<a name="l00655"></a>00655 <span class="keywordtype">void</span> clearStreamInfo(); +<a name="l00656"></a>00656 +<a name="l00661"></a>00661 <span class="keywordtype">void</span> verifyStream( <span class="keywordtype">void</span> ); +<a name="l00662"></a>00662 +<a name="l00664"></a>00664 <span class="keywordtype">void</span> error( ErrorType type ); +<a name="l00665"></a>00665 +<a name="l00670"></a>00670 <span class="keywordtype">void</span> convertBuffer( <span class="keywordtype">char</span> *outBuffer, <span class="keywordtype">char</span> *inBuffer, ConvertInfo &info ); +<a name="l00671"></a>00671 +<a name="l00673"></a>00673 <span class="keywordtype">void</span> byteSwapBuffer( <span class="keywordtype">char</span> *buffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> samples, <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format ); +<a name="l00674"></a>00674 +<a name="l00676"></a>00676 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> formatBytes( <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format ); +<a name="l00677"></a>00677 +<a name="l00679"></a>00679 <span class="keywordtype">void</span> setConvertInfo( StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel ); +<a name="l00680"></a>00680 }; +<a name="l00681"></a>00681 +<a name="l00682"></a>00682 <span class="comment">// **************************************************************** //</span> +<a name="l00683"></a>00683 <span class="comment">//</span> +<a name="l00684"></a>00684 <span class="comment">// Inline RtAudio definitions.</span> +<a name="l00685"></a>00685 <span class="comment">//</span> +<a name="l00686"></a>00686 <span class="comment">// **************************************************************** //</span> +<a name="l00687"></a>00687 +<a name="l00688"></a><a class="code" href="classRtAudio.html#a2">00688</a> <span class="keyword">inline</span> <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a2">RtAudio :: getCurrentApi</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->getCurrentApi(); }; +<a name="l00689"></a><a class="code" href="classRtAudio.html#a3">00689</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3">RtAudio :: getDeviceCount</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->getDeviceCount(); }; +<a name="l00690"></a><a class="code" href="classRtAudio.html#a4">00690</a> <span class="keyword">inline</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a4">RtAudio :: getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) { <span class="keywordflow">return</span> rtapi_->getDeviceInfo( device ); }; +<a name="l00691"></a><a class="code" href="classRtAudio.html#a6">00691</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a6">RtAudio :: getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->getDefaultInputDevice(); }; +<a name="l00692"></a><a class="code" href="classRtAudio.html#a5">00692</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a5">RtAudio :: getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->getDefaultOutputDevice(); }; +<a name="l00693"></a><a class="code" href="classRtAudio.html#a8">00693</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a8">RtAudio :: closeStream</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->closeStream(); }; +<a name="l00694"></a><a class="code" href="classRtAudio.html#a9">00694</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a9">RtAudio :: startStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->startStream(); }; +<a name="l00695"></a><a class="code" href="classRtAudio.html#a10">00695</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a10">RtAudio :: stopStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->stopStream(); }; +<a name="l00696"></a><a class="code" href="classRtAudio.html#a11">00696</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">RtAudio :: abortStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->abortStream(); }; +<a name="l00697"></a><a class="code" href="classRtAudio.html#a12">00697</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a12">RtAudio :: isStreamOpen</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->isStreamOpen(); }; +<a name="l00698"></a><a class="code" href="classRtAudio.html#a13">00698</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a13">RtAudio :: isStreamRunning</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_->isStreamRunning(); }; +<a name="l00699"></a><a class="code" href="classRtAudio.html#a15">00699</a> <span class="keyword">inline</span> <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a15">RtAudio :: getStreamLatency</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->getStreamLatency(); }; +<a name="l00700"></a><a class="code" href="classRtAudio.html#a14">00700</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a14">RtAudio :: getStreamTime</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->getStreamTime(); }; +<a name="l00701"></a><a class="code" href="classRtAudio.html#a16">00701</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a16">RtAudio :: showWarnings</a>( <span class="keywordtype">bool</span> value ) <span class="keywordflow">throw</span>() { rtapi_->showWarnings( value ); }; +<a name="l00702"></a>00702 +<a name="l00703"></a>00703 <span class="comment">// RtApi Subclass prototypes.</span> +<a name="l00704"></a>00704 +<a name="l00705"></a>00705 <span class="preprocessor">#if defined(__MACOSX_CORE__)</span> +<a name="l00706"></a>00706 <span class="preprocessor"></span> +<a name="l00707"></a>00707 <span class="preprocessor">#include <CoreAudio/AudioHardware.h></span> +<a name="l00708"></a>00708 +<a name="l00709"></a>00709 <span class="keyword">class </span>RtApiCore: <span class="keyword">public</span> RtApi +<a name="l00710"></a>00710 { +<a name="l00711"></a>00711 <span class="keyword">public</span>: +<a name="l00712"></a>00712 +<a name="l00713"></a>00713 RtApiCore(); +<a name="l00714"></a>00714 ~RtApiCore(); +<a name="l00715"></a>00715 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w4">RtAudio::MACOSX_CORE</a>; }; +<a name="l00716"></a>00716 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ); +<a name="l00717"></a>00717 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00718"></a>00718 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> ); +<a name="l00719"></a>00719 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> ); +<a name="l00720"></a>00720 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ); +<a name="l00721"></a>00721 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ); +<a name="l00722"></a>00722 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ); +<a name="l00723"></a>00723 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ); +<a name="l00724"></a>00724 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> ); +<a name="l00725"></a>00725 +<a name="l00726"></a>00726 <span class="comment">// This function is intended for internal use only. It must be</span> +<a name="l00727"></a>00727 <span class="comment">// public because it is called by the internal callback handler,</span> +<a name="l00728"></a>00728 <span class="comment">// which is not a member of RtAudio. External use of this function</span> +<a name="l00729"></a>00729 <span class="comment">// will most likely produce highly undesireable results!</span> +<a name="l00730"></a>00730 <span class="keywordtype">bool</span> callbackEvent( AudioDeviceID deviceId, +<a name="l00731"></a>00731 <span class="keyword">const</span> AudioBufferList *inBufferList, +<a name="l00732"></a>00732 <span class="keyword">const</span> AudioBufferList *outBufferList ); +<a name="l00733"></a>00733 +<a name="l00734"></a>00734 <span class="keyword">private</span>: +<a name="l00735"></a>00735 +<a name="l00736"></a>00736 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00737"></a>00737 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00738"></a>00738 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00739"></a>00739 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00740"></a>00740 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getErrorCode( OSStatus code ); +<a name="l00741"></a>00741 }; +<a name="l00742"></a>00742 +<a name="l00743"></a>00743 <span class="preprocessor">#endif</span> +<a name="l00744"></a>00744 <span class="preprocessor"></span> +<a name="l00745"></a>00745 <span class="preprocessor">#if defined(__UNIX_JACK__)</span> +<a name="l00746"></a>00746 <span class="preprocessor"></span> +<a name="l00747"></a>00747 <span class="keyword">class </span>RtApiJack: <span class="keyword">public</span> RtApi +<a name="l00748"></a>00748 { +<a name="l00749"></a>00749 <span class="keyword">public</span>: +<a name="l00750"></a>00750 +<a name="l00751"></a>00751 RtApiJack(); +<a name="l00752"></a>00752 ~RtApiJack(); +<a name="l00753"></a>00753 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w3">RtAudio::UNIX_JACK</a>; }; +<a name="l00754"></a>00754 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ); +<a name="l00755"></a>00755 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00756"></a>00756 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ); +<a name="l00757"></a>00757 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ); +<a name="l00758"></a>00758 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ); +<a name="l00759"></a>00759 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ); +<a name="l00760"></a>00760 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> ); +<a name="l00761"></a>00761 +<a name="l00762"></a>00762 <span class="comment">// This function is intended for internal use only. It must be</span> +<a name="l00763"></a>00763 <span class="comment">// public because it is called by the internal callback handler,</span> +<a name="l00764"></a>00764 <span class="comment">// which is not a member of RtAudio. External use of this function</span> +<a name="l00765"></a>00765 <span class="comment">// will most likely produce highly undesireable results!</span> +<a name="l00766"></a>00766 <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes ); <a name="l00767"></a>00767 -<a name="l00768"></a>00768 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00769"></a>00769 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00770"></a>00770 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00771"></a>00771 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00772"></a>00772 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00773"></a>00773 -<a name="l00774"></a>00774 <span class="keywordtype">bool</span> coInitialized; +<a name="l00768"></a>00768 <span class="keyword">private</span>: +<a name="l00769"></a>00769 +<a name="l00770"></a>00770 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00771"></a>00771 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00772"></a>00772 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00773"></a>00773 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00774"></a>00774 }; <a name="l00775"></a>00775 -<a name="l00776"></a>00776 }; -<a name="l00777"></a>00777 -<a name="l00778"></a>00778 <span class="preprocessor">#endif</span> +<a name="l00776"></a>00776 <span class="preprocessor">#endif</span> +<a name="l00777"></a>00777 <span class="preprocessor"></span> +<a name="l00778"></a>00778 <span class="preprocessor">#if defined(__WINDOWS_ASIO__)</span> <a name="l00779"></a>00779 <span class="preprocessor"></span> -<a name="l00780"></a>00780 <span class="preprocessor">#if defined(__IRIX_AL__)</span> -<a name="l00781"></a>00781 <span class="preprocessor"></span> -<a name="l00782"></a>00782 <span class="keyword">class </span>RtApiAl: <span class="keyword">public</span> RtApi -<a name="l00783"></a>00783 { -<a name="l00784"></a>00784 <span class="keyword">public</span>: -<a name="l00785"></a>00785 -<a name="l00786"></a>00786 RtApiAl(); -<a name="l00787"></a>00787 ~RtApiAl(); -<a name="l00788"></a>00788 <span class="keywordtype">int</span> getDefaultOutputDevice(<span class="keywordtype">void</span>); -<a name="l00789"></a>00789 <span class="keywordtype">int</span> getDefaultInputDevice(<span class="keywordtype">void</span>); -<a name="l00790"></a>00790 <span class="keywordtype">void</span> tickStream(); -<a name="l00791"></a>00791 <span class="keywordtype">void</span> closeStream(); -<a name="l00792"></a>00792 <span class="keywordtype">void</span> startStream(); -<a name="l00793"></a>00793 <span class="keywordtype">void</span> stopStream(); -<a name="l00794"></a>00794 <span class="keywordtype">void</span> abortStream(); -<a name="l00795"></a>00795 <span class="keywordtype">int</span> streamWillBlock(); -<a name="l00796"></a>00796 <span class="keywordtype">void</span> setStreamCallback( RtAudioCallback callback, <span class="keywordtype">void</span> *userData ); -<a name="l00797"></a>00797 <span class="keywordtype">void</span> cancelStreamCallback(); -<a name="l00798"></a>00798 -<a name="l00799"></a>00799 <span class="keyword">private</span>: +<a name="l00780"></a>00780 <span class="keyword">class </span>RtApiAsio: <span class="keyword">public</span> RtApi +<a name="l00781"></a>00781 { +<a name="l00782"></a>00782 <span class="keyword">public</span>: +<a name="l00783"></a>00783 +<a name="l00784"></a>00784 RtApiAsio(); +<a name="l00785"></a>00785 ~RtApiAsio(); +<a name="l00786"></a>00786 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w5">RtAudio::WINDOWS_ASIO</a>; }; +<a name="l00787"></a>00787 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ); +<a name="l00788"></a>00788 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00789"></a>00789 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ); +<a name="l00790"></a>00790 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ); +<a name="l00791"></a>00791 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ); +<a name="l00792"></a>00792 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ); +<a name="l00793"></a>00793 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> ); +<a name="l00794"></a>00794 +<a name="l00795"></a>00795 <span class="comment">// This function is intended for internal use only. It must be</span> +<a name="l00796"></a>00796 <span class="comment">// public because it is called by the internal callback handler,</span> +<a name="l00797"></a>00797 <span class="comment">// which is not a member of RtAudio. External use of this function</span> +<a name="l00798"></a>00798 <span class="comment">// will most likely produce highly undesireable results!</span> +<a name="l00799"></a>00799 <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">long</span> bufferIndex ); <a name="l00800"></a>00800 -<a name="l00801"></a>00801 <span class="keywordtype">void</span> initialize(<span class="keywordtype">void</span>); -<a name="l00802"></a>00802 <span class="keywordtype">void</span> probeDeviceInfo( RtApiDevice *info ); -<a name="l00803"></a>00803 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">int</span> channels, -<a name="l00804"></a>00804 <span class="keywordtype">int</span> sampleRate, RtAudioFormat format, -<a name="l00805"></a>00805 <span class="keywordtype">int</span> *bufferSize, <span class="keywordtype">int</span> numberOfBuffers ); -<a name="l00806"></a>00806 }; -<a name="l00807"></a>00807 -<a name="l00808"></a>00808 <span class="preprocessor">#endif</span> -<a name="l00809"></a>00809 <span class="preprocessor"></span> -<a name="l00810"></a>00810 <span class="comment">// Define the following flag to have extra information spewed to stderr.</span> -<a name="l00811"></a>00811 <span class="comment">//#define __RTAUDIO_DEBUG__</span> -<a name="l00812"></a>00812 -<a name="l00813"></a>00813 <span class="preprocessor">#endif</span> +<a name="l00801"></a>00801 <span class="keyword">private</span>: +<a name="l00802"></a>00802 +<a name="l00803"></a>00803 <span class="keywordtype">bool</span> coInitialized_; +<a name="l00804"></a>00804 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00805"></a>00805 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00806"></a>00806 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00807"></a>00807 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00808"></a>00808 }; +<a name="l00809"></a>00809 +<a name="l00810"></a>00810 <span class="preprocessor">#endif</span> +<a name="l00811"></a>00811 <span class="preprocessor"></span> +<a name="l00812"></a>00812 <span class="preprocessor">#if defined(__WINDOWS_DS__)</span> +<a name="l00813"></a>00813 <span class="preprocessor"></span> +<a name="l00814"></a>00814 <span class="keyword">class </span>RtApiDs: <span class="keyword">public</span> RtApi +<a name="l00815"></a>00815 { +<a name="l00816"></a>00816 <span class="keyword">public</span>: +<a name="l00817"></a>00817 +<a name="l00818"></a>00818 RtApiDs(); +<a name="l00819"></a>00819 ~RtApiDs(); +<a name="l00820"></a>00820 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w6">RtAudio::WINDOWS_DS</a>; }; +<a name="l00821"></a>00821 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ); +<a name="l00822"></a>00822 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> ); +<a name="l00823"></a>00823 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> ); +<a name="l00824"></a>00824 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00825"></a>00825 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ); +<a name="l00826"></a>00826 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ); +<a name="l00827"></a>00827 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ); +<a name="l00828"></a>00828 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ); +<a name="l00829"></a>00829 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> ); +<a name="l00830"></a>00830 +<a name="l00831"></a>00831 <span class="comment">// This function is intended for internal use only. It must be</span> +<a name="l00832"></a>00832 <span class="comment">// public because it is called by the internal callback handler,</span> +<a name="l00833"></a>00833 <span class="comment">// which is not a member of RtAudio. External use of this function</span> +<a name="l00834"></a>00834 <span class="comment">// will most likely produce highly undesireable results!</span> +<a name="l00835"></a>00835 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> ); +<a name="l00836"></a>00836 +<a name="l00837"></a>00837 <span class="keyword">private</span>: +<a name="l00838"></a>00838 +<a name="l00839"></a>00839 <span class="keywordtype">bool</span> coInitialized_; +<a name="l00840"></a>00840 <span class="keywordtype">bool</span> buffersRolling; +<a name="l00841"></a>00841 <span class="keywordtype">long</span> duplexPrerollBytes; +<a name="l00842"></a>00842 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00843"></a>00843 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00844"></a>00844 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00845"></a>00845 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00846"></a>00846 }; +<a name="l00847"></a>00847 +<a name="l00848"></a>00848 <span class="preprocessor">#endif</span> +<a name="l00849"></a>00849 <span class="preprocessor"></span> +<a name="l00850"></a>00850 <span class="preprocessor">#if defined(__LINUX_ALSA__)</span> +<a name="l00851"></a>00851 <span class="preprocessor"></span> +<a name="l00852"></a>00852 <span class="keyword">class </span>RtApiAlsa: <span class="keyword">public</span> RtApi +<a name="l00853"></a>00853 { +<a name="l00854"></a>00854 <span class="keyword">public</span>: +<a name="l00855"></a>00855 +<a name="l00856"></a>00856 RtApiAlsa(); +<a name="l00857"></a>00857 ~RtApiAlsa(); +<a name="l00858"></a>00858 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w1">RtAudio::LINUX_ALSA</a>; }; +<a name="l00859"></a>00859 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ); +<a name="l00860"></a>00860 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00861"></a>00861 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ); +<a name="l00862"></a>00862 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ); +<a name="l00863"></a>00863 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ); +<a name="l00864"></a>00864 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ); +<a name="l00865"></a>00865 +<a name="l00866"></a>00866 <span class="comment">// This function is intended for internal use only. It must be</span> +<a name="l00867"></a>00867 <span class="comment">// public because it is called by the internal callback handler,</span> +<a name="l00868"></a>00868 <span class="comment">// which is not a member of RtAudio. External use of this function</span> +<a name="l00869"></a>00869 <span class="comment">// will most likely produce highly undesireable results!</span> +<a name="l00870"></a>00870 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> ); +<a name="l00871"></a>00871 +<a name="l00872"></a>00872 <span class="keyword">private</span>: +<a name="l00873"></a>00873 +<a name="l00874"></a>00874 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00875"></a>00875 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00876"></a>00876 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00877"></a>00877 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00878"></a>00878 }; +<a name="l00879"></a>00879 +<a name="l00880"></a>00880 <span class="preprocessor">#endif</span> +<a name="l00881"></a>00881 <span class="preprocessor"></span> +<a name="l00882"></a>00882 <span class="preprocessor">#if defined(__LINUX_OSS__)</span> +<a name="l00883"></a>00883 <span class="preprocessor"></span> +<a name="l00884"></a>00884 <span class="keyword">class </span>RtApiOss: <span class="keyword">public</span> RtApi +<a name="l00885"></a>00885 { +<a name="l00886"></a>00886 <span class="keyword">public</span>: +<a name="l00887"></a>00887 +<a name="l00888"></a>00888 RtApiOss(); +<a name="l00889"></a>00889 ~RtApiOss(); +<a name="l00890"></a>00890 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w2">RtAudio::LINUX_OSS</a>; }; +<a name="l00891"></a>00891 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ); +<a name="l00892"></a>00892 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ); +<a name="l00893"></a>00893 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ); +<a name="l00894"></a>00894 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ); +<a name="l00895"></a>00895 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ); +<a name="l00896"></a>00896 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ); +<a name="l00897"></a>00897 +<a name="l00898"></a>00898 <span class="comment">// This function is intended for internal use only. It must be</span> +<a name="l00899"></a>00899 <span class="comment">// public because it is called by the internal callback handler,</span> +<a name="l00900"></a>00900 <span class="comment">// which is not a member of RtAudio. External use of this function</span> +<a name="l00901"></a>00901 <span class="comment">// will most likely produce highly undesireable results!</span> +<a name="l00902"></a>00902 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> ); +<a name="l00903"></a>00903 +<a name="l00904"></a>00904 <span class="keyword">private</span>: +<a name="l00905"></a>00905 +<a name="l00906"></a>00906 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00907"></a>00907 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00908"></a>00908 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00909"></a>00909 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ); +<a name="l00910"></a>00910 }; +<a name="l00911"></a>00911 +<a name="l00912"></a>00912 <span class="preprocessor">#endif</span> +<a name="l00913"></a>00913 <span class="preprocessor"></span> +<a name="l00914"></a>00914 <span class="preprocessor">#if defined(__RTAUDIO_DUMMY__)</span> +<a name="l00915"></a>00915 <span class="preprocessor"></span> +<a name="l00916"></a>00916 <span class="keyword">class </span>RtApiDummy: <span class="keyword">public</span> RtApi +<a name="l00917"></a>00917 { +<a name="l00918"></a>00918 <span class="keyword">public</span>: +<a name="l00919"></a>00919 +<a name="l00920"></a>00920 RtApiDummy() { errorText_ = <span class="stringliteral">"RtApiDummy: This class provides no functionality."</span>; error( WARNING ); }; +<a name="l00921"></a>00921 <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w7">RtAudio::RTAUDIO_DUMMY</a>; }; +<a name="l00922"></a>00922 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> 0; }; +<a name="l00923"></a>00923 <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) { <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> info; <span class="keywordflow">return</span> info; }; +<a name="l00924"></a>00924 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ) {}; +<a name="l00925"></a>00925 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ) {}; +<a name="l00926"></a>00926 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ) {}; +<a name="l00927"></a>00927 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ) {}; +<a name="l00928"></a>00928 +<a name="l00929"></a>00929 <span class="keyword">private</span>: +<a name="l00930"></a>00930 +<a name="l00931"></a>00931 <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, +<a name="l00932"></a>00932 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate, +<a name="l00933"></a>00933 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize, +<a name="l00934"></a>00934 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }; +<a name="l00935"></a>00935 }; +<a name="l00936"></a>00936 +<a name="l00937"></a>00937 <span class="preprocessor">#endif</span> +<a name="l00938"></a>00938 <span class="preprocessor"></span> +<a name="l00939"></a>00939 <span class="preprocessor">#endif</span> +<a name="l00940"></a>00940 <span class="preprocessor"></span> +<a name="l00941"></a>00941 <span class="comment">// Indentation settings for Vim and Emacs</span> +<a name="l00942"></a>00942 <span class="comment">//</span> +<a name="l00943"></a>00943 <span class="comment">// Local Variables:</span> +<a name="l00944"></a>00944 <span class="comment">// c-basic-offset: 2</span> +<a name="l00945"></a>00945 <span class="comment">// indent-tabs-mode: nil</span> +<a name="l00946"></a>00946 <span class="comment">// End:</span> +<a name="l00947"></a>00947 <span class="comment">//</span> +<a name="l00948"></a>00948 <span class="comment">// vim: et sts=2 sw=2</span> </pre></div><HR> <table><tr><td><img src="../images/mcgill.gif" width=165></td> - <td>©2001-2005 Gary P. Scavone, McGill University. All Rights Reserved.<br> - Maintained by Gary P. Scavone, <a href="mailto:gary@music.mcgill.ca">gary@music.mcgill.ca</a></td></tr> + <td>©2001-2007 Gary P. Scavone, McGill University. All Rights Reserved.<br>Maintained by <a href="http://www.music.mcgill.ca/~gary/">Gary P. Scavone</a>.</td></tr> </table> </BODY> |