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<a href="paex__sine_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/*</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * $Id$</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This program uses the PortAudio Portable Audio Library.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * For more information see: http://www.portaudio.com/</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Copyright (c) 1999-2000 Ross Bencina and Phil Burk</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * a copy of this software and associated documentation files</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * (the "Software"), to deal in the Software without restriction,</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * including without limitation the rights to use, copy, modify, merge,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * publish, distribute, sublicense, and/or sell copies of the Software,</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * and to permit persons to whom the Software is furnished to do so,</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * subject to the following conditions:</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * The above copyright notice and this permission notice shall be</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * included in all copies or substantial portions of the Software.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> *</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">/*</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * The text above constitutes the entire PortAudio license; however, </span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * the PortAudio community also makes the following non-binding requests:</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * Any person wishing to distribute modifications to the Software is</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * requested to send the modifications to the original developer so that</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * they can be incorporated into the canonical version. It is also </span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * requested that these non-binding requests be included along with the </span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * license above.</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> */</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <math.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="portaudio_8h.html">portaudio.h</a>"</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#define NUM_SECONDS (5)</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#define SAMPLE_RATE (44100)</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#define FRAMES_PER_BUFFER (64)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#ifndef M_PI</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define M_PI (3.14159265)</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define TABLE_SIZE (200)</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">float</span> sine[TABLE_SIZE];</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> left_phase;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">int</span> right_phase;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">char</span> message[20];</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <a class="code" href="structpaTestData.html">paTestData</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">/* This routine will be called by the PortAudio engine when audio is needed.</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">** It may called at interrupt level on some machines so don't do anything</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">** that could mess up the system like calling malloc() or free().</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">*/</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">static</span> <span class="keywordtype">int</span> patestCallback( <span class="keyword">const</span> <span class="keywordtype">void</span> *inputBuffer, <span class="keywordtype">void</span> *outputBuffer,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> framesPerBuffer,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <a class="code" href="structPaStreamCallbackTimeInfo.html">PaStreamCallbackTimeInfo</a>* timeInfo,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="portaudio_8h.html#a55a005924bcfa0424594f4f65cd4ae82">PaStreamCallbackFlags</a> statusFlags,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">void</span> *userData )</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="structpaTestData.html">paTestData</a> *data = (<a class="code" href="structpaTestData.html">paTestData</a>*)userData;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">float</span> *out = (<span class="keywordtype">float</span>*)outputBuffer;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> i;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  (void) timeInfo; <span class="comment">/* Prevent unused variable warnings. */</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  (void) statusFlags;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  (void) inputBuffer;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">for</span>( i=0; i<framesPerBuffer; i++ )</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  *out++ = data->sine[data->left_phase]; <span class="comment">/* left */</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  *out++ = data->sine[data->right_phase]; <span class="comment">/* right */</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  data->left_phase += 1;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span>( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  data->right_phase += 3; <span class="comment">/* higher pitch so we can distinguish left and right. */</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span>( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <a class="code" href="portaudio_8h.html#ae9bfb9c4e1895326f30f80d415c66c32acba49cbf0e3bf605bb3deecef3b4fce3">paContinue</a>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/*</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * This routine is called by portaudio when playback is done.</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> */</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">static</span> <span class="keywordtype">void</span> StreamFinished( <span class="keywordtype">void</span>* userData )</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="structpaTestData.html">paTestData</a> *data = (<a class="code" href="structpaTestData.html">paTestData</a> *) userData;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  printf( <span class="stringliteral">"Stream Completed: %s\n"</span>, data->message );</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">/*******************************************************************/</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keywordtype">int</span> main(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keywordtype">int</span> main(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="structPaStreamParameters.html">PaStreamParameters</a> outputParameters;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="portaudio_8h.html#a4949e4a8ef9f9dbe8cbee414ce69841d">PaError</a> err;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="structpaTestData.html">paTestData</a> data;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  printf(<span class="stringliteral">"PortAudio Test: output sine wave. SR = %d, BufSize = %d\n"</span>, SAMPLE_RATE, FRAMES_PER_BUFFER);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">/* initialise sinusoidal wavetable */</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span>( i=0; i<TABLE_SIZE; i++ )</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  data.sine[i] = (float) sin( ((<span class="keywordtype">double</span>)i/(<span class="keywordtype">double</span>)TABLE_SIZE) * M_PI * 2. );</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  data.left_phase = data.right_phase = 0;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  err = <a class="code" href="portaudio_8h.html#abed859482d156622d9332dff9b2d89da">Pa_Initialize</a>();</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  outputParameters.<a class="code" href="structPaStreamParameters.html#aebaf648b4d11dd1252a747b76b8da084">device</a> = <a class="code" href="portaudio_8h.html#adc955dfab007624000695c48d4f876dc">Pa_GetDefaultOutputDevice</a>(); <span class="comment">/* default output device */</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (outputParameters.<a class="code" href="structPaStreamParameters.html#aebaf648b4d11dd1252a747b76b8da084">device</a> == <a class="code" href="portaudio_8h.html#a8c26dd5e6f28bb4cda7a1f5460282297">paNoDevice</a>) {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  fprintf(stderr,<span class="stringliteral">"Error: No default output device.\n"</span>);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  outputParameters.<a class="code" href="structPaStreamParameters.html#a861ff361da71fc2572dd356c9c9878ca">channelCount</a> = 2; <span class="comment">/* stereo output */</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  outputParameters.<a class="code" href="structPaStreamParameters.html#ad8d2d3063757b812f9e5f8709f41052b">sampleFormat</a> = <a class="code" href="portaudio_8h.html#a2f16d29916725b8791eae60ab9e0b081">paFloat32</a>; <span class="comment">/* 32 bit floating point output */</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  outputParameters.<a class="code" href="structPaStreamParameters.html#aa1e80ac0551162fd091db8936ccbe9a0">suggestedLatency</a> = <a class="code" href="portaudio_8h.html#ac7d8e091ffc1d1d4a035704660e117eb">Pa_GetDeviceInfo</a>( outputParameters.<a class="code" href="structPaStreamParameters.html#aebaf648b4d11dd1252a747b76b8da084">device</a> )->defaultLowOutputLatency;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  outputParameters.<a class="code" href="structPaStreamParameters.html#aff01b9fa0710ad1654471e97665c06a9">hostApiSpecificStreamInfo</a> = NULL;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  err = <a class="code" href="portaudio_8h.html#a443ad16338191af364e3be988014cbbe">Pa_OpenStream</a>(</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  &stream,</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  NULL, <span class="comment">/* no input */</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  &outputParameters,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  SAMPLE_RATE,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  FRAMES_PER_BUFFER,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="portaudio_8h.html#a837b8a81be3f7e36c96003e0d8dcec12">paClipOff</a>, <span class="comment">/* we won't output out of range samples so don't bother clipping them */</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  patestCallback,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  &data );</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  sprintf( data.message, <span class="stringliteral">"No Message"</span> );</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  err = <a class="code" href="portaudio_8h.html#aa11e7b06b2cde8621551f5d527965838">Pa_SetStreamFinishedCallback</a>( stream, &StreamFinished );</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  err = <a class="code" href="portaudio_8h.html#a7432aadd26c40452da12fa99fc1a047b">Pa_StartStream</a>( stream );</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  printf(<span class="stringliteral">"Play for %d seconds.\n"</span>, NUM_SECONDS );</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="portaudio_8h.html#a1b3c20044c9401c42add29475636e83d">Pa_Sleep</a>( NUM_SECONDS * 1000 );</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  err = <a class="code" href="portaudio_8h.html#af18dd60220251286c337631a855e38a0">Pa_StopStream</a>( stream );</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  err = <a class="code" href="portaudio_8h.html#a92f56f88cbd14da0e8e03077e835d104">Pa_CloseStream</a>( stream );</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="portaudio_8h.html#a0db317604e916e8bd6098e60e6237221">Pa_Terminate</a>();</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  printf(<span class="stringliteral">"Test finished.\n"</span>);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> err;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> error:</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="portaudio_8h.html#a0db317604e916e8bd6098e60e6237221">Pa_Terminate</a>();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  fprintf( stderr, <span class="stringliteral">"An error occured while using the portaudio stream\n"</span> );</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  fprintf( stderr, <span class="stringliteral">"Error number: %d\n"</span>, err );</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  fprintf( stderr, <span class="stringliteral">"Error message: %s\n"</span>, <a class="code" href="portaudio_8h.html#ae606855a611cf29c7d2d7421df5e3b5d">Pa_GetErrorText</a>( err ) );</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> err;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div><div class="ttc" id="portaudio_8h_html_abed859482d156622d9332dff9b2d89da"><div class="ttname"><a href="portaudio_8h.html#abed859482d156622d9332dff9b2d89da">Pa_Initialize</a></div><div class="ttdeci">PaError Pa_Initialize(void)</div></div>
<div class="ttc" id="structpaTestData_html"><div class="ttname"><a href="structpaTestData.html">paTestData</a></div><div class="ttdef"><b>Definition:</b> <a href="paex__mono__asio__channel__select_8c_source.html#l00065">paex_mono_asio_channel_select.c:65</a></div></div>
<div class="ttc" id="portaudio_8h_html_af18dd60220251286c337631a855e38a0"><div class="ttname"><a href="portaudio_8h.html#af18dd60220251286c337631a855e38a0">Pa_StopStream</a></div><div class="ttdeci">PaError Pa_StopStream(PaStream *stream)</div></div>
<div class="ttc" id="portaudio_8h_html_a19874734f89958fccf86785490d53b4c"><div class="ttname"><a href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a></div><div class="ttdeci">void PaStream</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00635">portaudio.h:635</a></div></div>
<div class="ttc" id="portaudio_8h_html_ae9bfb9c4e1895326f30f80d415c66c32acba49cbf0e3bf605bb3deecef3b4fce3"><div class="ttname"><a href="portaudio_8h.html#ae9bfb9c4e1895326f30f80d415c66c32acba49cbf0e3bf605bb3deecef3b4fce3">paContinue</a></div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00755">portaudio.h:755</a></div></div>
<div class="ttc" id="portaudio_8h_html_a443ad16338191af364e3be988014cbbe"><div class="ttname"><a href="portaudio_8h.html#a443ad16338191af364e3be988014cbbe">Pa_OpenStream</a></div><div class="ttdeci">PaError Pa_OpenStream(PaStream **stream, const PaStreamParameters *inputParameters, const PaStreamParameters *outputParameters, double sampleRate, unsigned long framesPerBuffer, PaStreamFlags streamFlags, PaStreamCallback *streamCallback, void *userData)</div></div>
<div class="ttc" id="portaudio_8h_html_aa11e7b06b2cde8621551f5d527965838"><div class="ttname"><a href="portaudio_8h.html#aa11e7b06b2cde8621551f5d527965838">Pa_SetStreamFinishedCallback</a></div><div class="ttdeci">PaError Pa_SetStreamFinishedCallback(PaStream *stream, PaStreamFinishedCallback *streamFinishedCallback)</div></div>
<div class="ttc" id="portaudio_8h_html_a7432aadd26c40452da12fa99fc1a047b"><div class="ttname"><a href="portaudio_8h.html#a7432aadd26c40452da12fa99fc1a047b">Pa_StartStream</a></div><div class="ttdeci">PaError Pa_StartStream(PaStream *stream)</div></div>
<div class="ttc" id="structPaStreamParameters_html_aff01b9fa0710ad1654471e97665c06a9"><div class="ttname"><a href="structPaStreamParameters.html#aff01b9fa0710ad1654471e97665c06a9">PaStreamParameters::hostApiSpecificStreamInfo</a></div><div class="ttdeci">void * hostApiSpecificStreamInfo</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00579">portaudio.h:579</a></div></div>
<div class="ttc" id="portaudio_8h_html"><div class="ttname"><a href="portaudio_8h.html">portaudio.h</a></div><div class="ttdoc">The portable PortAudio API. </div></div>
<div class="ttc" id="portaudio_8h_html_a2f16d29916725b8791eae60ab9e0b081"><div class="ttname"><a href="portaudio_8h.html#a2f16d29916725b8791eae60ab9e0b081">paFloat32</a></div><div class="ttdeci">#define paFloat32</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00487">portaudio.h:487</a></div></div>
<div class="ttc" id="structPaStreamParameters_html_ad8d2d3063757b812f9e5f8709f41052b"><div class="ttname"><a href="structPaStreamParameters.html#ad8d2d3063757b812f9e5f8709f41052b">PaStreamParameters::sampleFormat</a></div><div class="ttdeci">PaSampleFormat sampleFormat</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00559">portaudio.h:559</a></div></div>
<div class="ttc" id="portaudio_8h_html_a837b8a81be3f7e36c96003e0d8dcec12"><div class="ttname"><a href="portaudio_8h.html#a837b8a81be3f7e36c96003e0d8dcec12">paClipOff</a></div><div class="ttdeci">#define paClipOff</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00661">portaudio.h:661</a></div></div>
<div class="ttc" id="portaudio_8h_html_a4949e4a8ef9f9dbe8cbee414ce69841d"><div class="ttname"><a href="portaudio_8h.html#a4949e4a8ef9f9dbe8cbee414ce69841d">PaError</a></div><div class="ttdeci">int PaError</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00121">portaudio.h:121</a></div></div>
<div class="ttc" id="structPaStreamParameters_html_aa1e80ac0551162fd091db8936ccbe9a0"><div class="ttname"><a href="structPaStreamParameters.html#aa1e80ac0551162fd091db8936ccbe9a0">PaStreamParameters::suggestedLatency</a></div><div class="ttdeci">PaTime suggestedLatency</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00572">portaudio.h:572</a></div></div>
<div class="ttc" id="structPaStreamParameters_html"><div class="ttname"><a href="structPaStreamParameters.html">PaStreamParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00538">portaudio.h:538</a></div></div>
<div class="ttc" id="portaudio_8h_html_a55a005924bcfa0424594f4f65cd4ae82"><div class="ttname"><a href="portaudio_8h.html#a55a005924bcfa0424594f4f65cd4ae82">PaStreamCallbackFlags</a></div><div class="ttdeci">unsigned long PaStreamCallbackFlags</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00712">portaudio.h:712</a></div></div>
<div class="ttc" id="portaudio_8h_html_a8c26dd5e6f28bb4cda7a1f5460282297"><div class="ttname"><a href="portaudio_8h.html#a8c26dd5e6f28bb4cda7a1f5460282297">paNoDevice</a></div><div class="ttdeci">#define paNoDevice</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00220">portaudio.h:220</a></div></div>
<div class="ttc" id="portaudio_8h_html_ac7d8e091ffc1d1d4a035704660e117eb"><div class="ttname"><a href="portaudio_8h.html#ac7d8e091ffc1d1d4a035704660e117eb">Pa_GetDeviceInfo</a></div><div class="ttdeci">const PaDeviceInfo * Pa_GetDeviceInfo(PaDeviceIndex device)</div></div>
<div class="ttc" id="portaudio_8h_html_adc955dfab007624000695c48d4f876dc"><div class="ttname"><a href="portaudio_8h.html#adc955dfab007624000695c48d4f876dc">Pa_GetDefaultOutputDevice</a></div><div class="ttdeci">PaDeviceIndex Pa_GetDefaultOutputDevice(void)</div></div>
<div class="ttc" id="structPaStreamParameters_html_aebaf648b4d11dd1252a747b76b8da084"><div class="ttname"><a href="structPaStreamParameters.html#aebaf648b4d11dd1252a747b76b8da084">PaStreamParameters::device</a></div><div class="ttdeci">PaDeviceIndex device</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00546">portaudio.h:546</a></div></div>
<div class="ttc" id="portaudio_8h_html_a1b3c20044c9401c42add29475636e83d"><div class="ttname"><a href="portaudio_8h.html#a1b3c20044c9401c42add29475636e83d">Pa_Sleep</a></div><div class="ttdeci">void Pa_Sleep(long msec)</div></div>
<div class="ttc" id="portaudio_8h_html_ae606855a611cf29c7d2d7421df5e3b5d"><div class="ttname"><a href="portaudio_8h.html#ae606855a611cf29c7d2d7421df5e3b5d">Pa_GetErrorText</a></div><div class="ttdeci">const char * Pa_GetErrorText(PaError errorCode)</div></div>
<div class="ttc" id="structPaStreamParameters_html_a861ff361da71fc2572dd356c9c9878ca"><div class="ttname"><a href="structPaStreamParameters.html#a861ff361da71fc2572dd356c9c9878ca">PaStreamParameters::channelCount</a></div><div class="ttdeci">int channelCount</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00553">portaudio.h:553</a></div></div>
<div class="ttc" id="portaudio_8h_html_a92f56f88cbd14da0e8e03077e835d104"><div class="ttname"><a href="portaudio_8h.html#a92f56f88cbd14da0e8e03077e835d104">Pa_CloseStream</a></div><div class="ttdeci">PaError Pa_CloseStream(PaStream *stream)</div></div>
<div class="ttc" id="portaudio_8h_html_a0db317604e916e8bd6098e60e6237221"><div class="ttname"><a href="portaudio_8h.html#a0db317604e916e8bd6098e60e6237221">Pa_Terminate</a></div><div class="ttdeci">PaError Pa_Terminate(void)</div></div>
<div class="ttc" id="structPaStreamCallbackTimeInfo_html"><div class="ttname"><a href="structPaStreamCallbackTimeInfo.html">PaStreamCallbackTimeInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00699">portaudio.h:699</a></div></div>
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