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<a href="paex__wmme__ac3_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>&#160;</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * $Id: $</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * Portable Audio I/O Library</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * Windows MME ac3 sound output test</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * Copyright (c) 2009 Ross Bencina</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * a copy of this software and associated documentation files</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * (the &quot;Software&quot;), to deal in the Software without restriction,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * including without limitation the rights to use, copy, modify, merge,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * publish, distribute, sublicense, and/or sell copies of the Software,</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * and to permit persons to whom the Software is furnished to do so,</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * subject to the following conditions:</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * included in all copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * The text above constitutes the entire PortAudio license; however, </span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> * the PortAudio community also makes the following non-binding requests:</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> * Any person wishing to distribute modifications to the Software is</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> * requested to send the modifications to the original developer so that</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> * they can be incorporated into the canonical version. It is also </span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> * requested that these non-binding requests be included along with the </span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment"> * license above.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">#include &lt;windows.h&gt;</span>    <span class="comment">/* required when using pa_win_wmme.h */</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#include &lt;mmsystem.h&gt;</span>   <span class="comment">/* required when using pa_win_wmme.h */</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="portaudio_8h.html">portaudio.h</a>&quot;</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="pa__win__wmme_8h.html">pa_win_wmme.h</a>&quot;</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#define NUM_SECONDS         (20)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define SAMPLE_RATE         (48000)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define FRAMES_PER_BUFFER   (64)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#ifndef M_PI</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define M_PI  (3.14159265)</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#define TABLE_SIZE          (100)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#define CHANNEL_COUNT       (2)</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;{</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <span class="keywordtype">short</span> *buffer;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordtype">int</span> bufferSampleCount;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordtype">int</span> playbackIndex;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;}</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<a class="code" href="structpaTestData.html">paTestData</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">/* This routine will be called by the PortAudio engine when audio is needed.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">** It may called at interrupt level on some machines so don&#39;t do anything</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">** that could mess up the system like calling malloc() or free().</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<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="l00080"></a><span class="lineno">   80</span>&#160;                            <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> framesPerBuffer,</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                            <span class="keyword">const</span> <a class="code" href="structPaStreamCallbackTimeInfo.html">PaStreamCallbackTimeInfo</a>* timeInfo,</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;                            <a class="code" href="portaudio_8h.html#a55a005924bcfa0424594f4f65cd4ae82">PaStreamCallbackFlags</a> statusFlags,</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                            <span class="keywordtype">void</span> *userData )</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;{</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <a class="code" href="structpaTestData.html">paTestData</a> *data = (<a class="code" href="structpaTestData.html">paTestData</a>*)userData;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordtype">short</span> *out = (<span class="keywordtype">short</span>*)outputBuffer;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> i,j;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    (void) timeInfo; <span class="comment">/* Prevent unused variable warnings. */</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    (void) statusFlags;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    (void) inputBuffer;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="comment">/* stream out contents of data-&gt;buffer looping at end */</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordflow">for</span>( i=0; i&lt;framesPerBuffer; i++ )</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    {</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;                <span class="keywordflow">for</span>( j = 0; j &lt; CHANNEL_COUNT; ++j ){</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            *out++ = data-&gt;buffer[ data-&gt;playbackIndex++ ];</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            <span class="keywordflow">if</span>( data-&gt;playbackIndex &gt;= data-&gt;bufferSampleCount )</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;                data-&gt;playbackIndex = 0; <span class="comment">/* loop at end of buffer */</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;                }</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        }</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    </div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="portaudio_8h.html#ae9bfb9c4e1895326f30f80d415c66c32acba49cbf0e3bf605bb3deecef3b4fce3">paContinue</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment">/*******************************************************************/</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>* argv[])</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;{</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <a class="code" href="structPaStreamParameters.html">PaStreamParameters</a> outputParameters;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <a class="code" href="structPaWinMmeStreamInfo.html">PaWinMmeStreamInfo</a> wmmeStreamInfo;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <a class="code" href="portaudio_8h.html#a4949e4a8ef9f9dbe8cbee414ce69841d">PaError</a> err;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <a class="code" href="structpaTestData.html">paTestData</a> data;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordtype">int</span> deviceIndex;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    FILE *fp;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span> *fileName = <span class="stringliteral">&quot;c:\\test_48k.ac3.spdif&quot;</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    data.buffer = NULL;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    printf(<span class="stringliteral">&quot;usage: patest_wmme_ac3 fileName [paDeviceIndex]\n&quot;</span>);</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    printf(<span class="stringliteral">&quot;**IMPORTANT*** The provided file must include the spdif preamble at the start of every AC-3 frame. Using a normal ac3 file won&#39;t work.\n&quot;</span>);</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    printf(<span class="stringliteral">&quot;PortAudio Test: output a raw spdif ac3 stream. SR = %d, BufSize = %d, Chans = %d\n&quot;</span>, </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT);</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keywordflow">if</span>( argc &gt;= 2 )</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        fileName = argv[1];</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    printf( <span class="stringliteral">&quot;reading spdif ac3 raw stream file %s\n&quot;</span>, fileName );</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    fp = fopen( fileName, <span class="stringliteral">&quot;rb&quot;</span> );</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordflow">if</span>( !fp ){</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        fprintf( stderr, <span class="stringliteral">&quot;error opening spdif ac3 file.\n&quot;</span> );</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    }</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="comment">/* get file size */</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    fseek( fp, 0, SEEK_END );</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    data.bufferSampleCount = ftell( fp ) / <span class="keyword">sizeof</span>(short);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    fseek( fp, 0, SEEK_SET );</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="comment">/* allocate buffer, read the whole file into memory */</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    data.buffer = (<span class="keywordtype">short</span>*)malloc( data.bufferSampleCount * <span class="keyword">sizeof</span>(<span class="keywordtype">short</span>) );</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keywordflow">if</span>( !data.buffer ){</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        fprintf( stderr, <span class="stringliteral">&quot;error allocating buffer.\n&quot;</span> );</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    }</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    fread( data.buffer, <span class="keyword">sizeof</span>(<span class="keywordtype">short</span>), data.bufferSampleCount, fp );</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    fclose( fp );</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    data.playbackIndex = 0;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    err = <a class="code" href="portaudio_8h.html#abed859482d156622d9332dff9b2d89da">Pa_Initialize</a>();</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        deviceIndex = <a class="code" href="portaudio_8h.html#a7c650aede88ea553066bab9bbe97ea90">Pa_GetHostApiInfo</a>( <a class="code" href="portaudio_8h.html#a081c3975126d20b4226facfb7ba0620f">Pa_HostApiTypeIdToHostApiIndex</a>( paMME ) )-&gt;<a class="code" href="structPaHostApiInfo.html#a62632690b5f7906d3c9bfdab91e7f4b2">defaultOutputDevice</a>;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        <span class="keywordflow">if</span>( argc &gt;= 3 ){</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                sscanf( argv[1], <span class="stringliteral">&quot;%d&quot;</span>, &amp;deviceIndex );</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        }</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        printf( <span class="stringliteral">&quot;using device id %d (%s)\n&quot;</span>, deviceIndex, <a class="code" href="portaudio_8h.html#ac7d8e091ffc1d1d4a035704660e117eb">Pa_GetDeviceInfo</a>(deviceIndex)-&gt;name );</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    outputParameters.<a class="code" href="structPaStreamParameters.html#aebaf648b4d11dd1252a747b76b8da084">device</a> = deviceIndex;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    outputParameters.<a class="code" href="structPaStreamParameters.html#a861ff361da71fc2572dd356c9c9878ca">channelCount</a> = CHANNEL_COUNT;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    outputParameters.<a class="code" href="structPaStreamParameters.html#ad8d2d3063757b812f9e5f8709f41052b">sampleFormat</a> = <a class="code" href="portaudio_8h.html#ab284f8e0a161d78ede863aec45461dbd">paInt16</a>; <span class="comment">/* IMPORTANT must use paInt16 for WMME AC3 */</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    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> )-&gt;defaultLowOutputLatency;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    outputParameters.<a class="code" href="structPaStreamParameters.html#aff01b9fa0710ad1654471e97665c06a9">hostApiSpecificStreamInfo</a> = NULL;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    wmmeStreamInfo.<a class="code" href="structPaWinMmeStreamInfo.html#a62c0f8888229904962efdbec924d2527">size</a> = <span class="keyword">sizeof</span>(<a class="code" href="structPaWinMmeStreamInfo.html">PaWinMmeStreamInfo</a>);</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    wmmeStreamInfo.<a class="code" href="structPaWinMmeStreamInfo.html#a393237910fb36b3f42396a365184ce01">hostApiType</a> = paMME; </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    wmmeStreamInfo.<a class="code" href="structPaWinMmeStreamInfo.html#a881694ff44db0af4d0f3067453c3db38">version</a> = 1;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    wmmeStreamInfo.flags = paWinMmeWaveFormatDolbyAc3Spdif;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    outputParameters.<a class="code" href="structPaStreamParameters.html#aff01b9fa0710ad1654471e97665c06a9">hostApiSpecificStreamInfo</a> = &amp;wmmeStreamInfo;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">if</span>( <a class="code" href="portaudio_8h.html#abdb313743d6efef26cecdae787a2bd3d">Pa_IsFormatSupported</a>( 0, &amp;outputParameters, SAMPLE_RATE ) == <a class="code" href="portaudio_8h.html#a400df642339bf4112333060af6a43c0f">paFormatIsSupported</a>  ){</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                printf( <span class="stringliteral">&quot;Pa_IsFormatSupported reports device will support %d channels.\n&quot;</span>, CHANNEL_COUNT );</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        }<span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                printf( <span class="stringliteral">&quot;Pa_IsFormatSupported reports device will not support %d channels.\n&quot;</span>, CHANNEL_COUNT );</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        }</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    err = <a class="code" href="portaudio_8h.html#a443ad16338191af364e3be988014cbbe">Pa_OpenStream</a>(</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;              &amp;stream,</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;              NULL, <span class="comment">/* no input */</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;              &amp;outputParameters,</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;              SAMPLE_RATE,</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;              FRAMES_PER_BUFFER,</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;              0,</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;              patestCallback,</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;              &amp;data );</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    err = <a class="code" href="portaudio_8h.html#a7432aadd26c40452da12fa99fc1a047b">Pa_StartStream</a>( stream );</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    printf(<span class="stringliteral">&quot;Play for %d seconds.\n&quot;</span>, NUM_SECONDS );</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    <a class="code" href="portaudio_8h.html#a1b3c20044c9401c42add29475636e83d">Pa_Sleep</a>( NUM_SECONDS * 1000 );</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    err = <a class="code" href="portaudio_8h.html#af18dd60220251286c337631a855e38a0">Pa_StopStream</a>( stream );</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    err = <a class="code" href="portaudio_8h.html#a92f56f88cbd14da0e8e03077e835d104">Pa_CloseStream</a>( stream );</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keywordflow">if</span>( err != paNoError ) <span class="keywordflow">goto</span> error;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    <a class="code" href="portaudio_8h.html#a0db317604e916e8bd6098e60e6237221">Pa_Terminate</a>();</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    free( data.buffer );</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    printf(<span class="stringliteral">&quot;Test finished.\n&quot;</span>);</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;error:</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <a class="code" href="portaudio_8h.html#a0db317604e916e8bd6098e60e6237221">Pa_Terminate</a>();</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    free( data.buffer );</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    fprintf( stderr, <span class="stringliteral">&quot;An error occured while using the portaudio stream\n&quot;</span> );</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    fprintf( stderr, <span class="stringliteral">&quot;Error number: %d\n&quot;</span>, err );</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    fprintf( stderr, <span class="stringliteral">&quot;Error message: %s\n&quot;</span>, <a class="code" href="portaudio_8h.html#ae606855a611cf29c7d2d7421df5e3b5d">Pa_GetErrorText</a>( err ) );</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;}</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</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="structPaWinMmeStreamInfo_html_a393237910fb36b3f42396a365184ce01"><div class="ttname"><a href="structPaWinMmeStreamInfo.html#a393237910fb36b3f42396a365184ce01">PaWinMmeStreamInfo::hostApiType</a></div><div class="ttdeci">PaHostApiTypeId hostApiType</div><div class="ttdef"><b>Definition:</b> <a href="pa__win__wmme_8h_source.html#l00084">pa_win_wmme.h:84</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#l00584">portaudio.h:584</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#l00704">portaudio.h:704</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="structPaWinMmeStreamInfo_html_a881694ff44db0af4d0f3067453c3db38"><div class="ttname"><a href="structPaWinMmeStreamInfo.html#a881694ff44db0af4d0f3067453c3db38">PaWinMmeStreamInfo::version</a></div><div class="ttdeci">unsigned long version</div><div class="ttdef"><b>Definition:</b> <a href="pa__win__wmme_8h_source.html#l00085">pa_win_wmme.h:85</a></div></div>
<div class="ttc" id="portaudio_8h_html_abdb313743d6efef26cecdae787a2bd3d"><div class="ttname"><a href="portaudio_8h.html#abdb313743d6efef26cecdae787a2bd3d">Pa_IsFormatSupported</a></div><div class="ttdeci">PaError Pa_IsFormatSupported(const PaStreamParameters *inputParameters, const PaStreamParameters *outputParameters, double sampleRate)</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#l00528">portaudio.h:528</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="pa__win__wmme_8h_html"><div class="ttname"><a href="pa__win__wmme_8h.html">pa_win_wmme.h</a></div><div class="ttdoc">WMME-specific PortAudio API extension header file. </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#l00508">portaudio.h:508</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#l00070">portaudio.h:70</a></div></div>
<div class="ttc" id="portaudio_8h_html_ab284f8e0a161d78ede863aec45461dbd"><div class="ttname"><a href="portaudio_8h.html#ab284f8e0a161d78ede863aec45461dbd">paInt16</a></div><div class="ttdeci">#define paInt16</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00439">portaudio.h:439</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#l00521">portaudio.h:521</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#l00487">portaudio.h:487</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#l00661">portaudio.h:661</a></div></div>
<div class="ttc" id="structPaHostApiInfo_html_a62632690b5f7906d3c9bfdab91e7f4b2"><div class="ttname"><a href="structPaHostApiInfo.html#a62632690b5f7906d3c9bfdab91e7f4b2">PaHostApiInfo::defaultOutputDevice</a></div><div class="ttdeci">PaDeviceIndex defaultOutputDevice</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00271">portaudio.h:271</a></div></div>
<div class="ttc" id="portaudio_8h_html_a7c650aede88ea553066bab9bbe97ea90"><div class="ttname"><a href="portaudio_8h.html#a7c650aede88ea553066bab9bbe97ea90">Pa_GetHostApiInfo</a></div><div class="ttdeci">const PaHostApiInfo * Pa_GetHostApiInfo(PaHostApiIndex hostApi)</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="structPaWinMmeStreamInfo_html"><div class="ttname"><a href="structPaWinMmeStreamInfo.html">PaWinMmeStreamInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="pa__win__wmme_8h_source.html#l00082">pa_win_wmme.h:82</a></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#l00495">portaudio.h:495</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_a400df642339bf4112333060af6a43c0f"><div class="ttname"><a href="portaudio_8h.html#a400df642339bf4112333060af6a43c0f">paFormatIsSupported</a></div><div class="ttdeci">#define paFormatIsSupported</div><div class="ttdef"><b>Definition:</b> <a href="portaudio_8h_source.html#l00534">portaudio.h:534</a></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#l00502">portaudio.h:502</a></div></div>
<div class="ttc" id="structPaWinMmeStreamInfo_html_a62c0f8888229904962efdbec924d2527"><div class="ttname"><a href="structPaWinMmeStreamInfo.html#a62c0f8888229904962efdbec924d2527">PaWinMmeStreamInfo::size</a></div><div class="ttdeci">unsigned long size</div><div class="ttdef"><b>Definition:</b> <a href="pa__win__wmme_8h_source.html#l00083">pa_win_wmme.h:83</a></div></div>
<div class="ttc" id="portaudio_8h_html_a081c3975126d20b4226facfb7ba0620f"><div class="ttname"><a href="portaudio_8h.html#a081c3975126d20b4226facfb7ba0620f">Pa_HostApiTypeIdToHostApiIndex</a></div><div class="ttdeci">PaHostApiIndex Pa_HostApiTypeIdToHostApiIndex(PaHostApiTypeId type)</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#l00648">portaudio.h:648</a></div></div>
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