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<div id="projectname">PortAudio
 <span id="projectnumber">2.0</span>
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<div class="title">com_portaudio_BlockingStream.c</div> </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Portable Audio I/O Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Java Binding for PortAudio</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Based on the Open Source API proposed by Ross Bencina</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (c) 2008 Ross Bencina</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"> * Permission is hereby granted, free of charge, to any person obtaining</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * a copy of this software and associated documentation files</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * (the "Software"), to deal in the Software without restriction,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * including without limitation the rights to use, copy, modify, merge,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * publish, distribute, sublicense, and/or sell copies of the Software,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * and to permit persons to whom the Software is furnished to do so,</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * subject to the following conditions:</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * The above copyright notice and this permission notice shall be</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * included in all copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * The text above constitutes the entire PortAudio license; however, </span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * the PortAudio community also makes the following non-binding requests:</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * Any person wishing to distribute modifications to the Software is</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * requested to send the modifications to the original developer so that</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * they can be incorporated into the canonical version. It is also </span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * requested that these non-binding requests be included along with the </span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * license above.</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> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "com_portaudio_BlockingStream.h"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="portaudio_8h.html" title="The portable PortAudio API.">portaudio.h</a>"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "jpa_tools.h"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#ifndef FALSE</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span><span class="preprocessor">#define FALSE (0)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span><span class="preprocessor">#ifndef TRUE</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span><span class="preprocessor">#define TRUE (!FALSE)</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * Method: getReadAvailable</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * Signature: ()I</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> JNIEXPORT jint JNICALL Java_com_portaudio_BlockingStream_getReadAvailable</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  (JNIEnv *env, jobject blockingStream)</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span>( stream == NULL ) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> <a class="code" href="portaudio_8h.html#ad04c33f045fa58d7b705b56b1fd3e816">Pa_GetStreamReadAvailable</a>( stream );</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * Method: getWriteAvailable</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * Signature: ()I</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> JNIEXPORT jint JNICALL Java_com_portaudio_BlockingStream_getWriteAvailable</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  (JNIEnv *env, jobject blockingStream)</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span>( stream == NULL ) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="portaudio_8h.html#a25595acf48733ec32045aa189c3caa61">Pa_GetStreamWriteAvailable</a>( stream );</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</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> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * Method: writeFloats</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * Signature: ([FI)Z</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_writeFloats</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  (JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  jfloat *carr;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  jint err;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span>( buffer == NULL )</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="stringliteral">"null stream buffer"</span>);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> FALSE;</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>  carr = (*env)->GetFloatArrayElements(env, buffer, NULL);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (carr == NULL)</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>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="stringliteral">"invalid stream buffer"</span>);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  err = <a class="code" href="portaudio_8h.html#a075a6efb503a728213bdae24347ed27d">Pa_WriteStream</a>( stream, carr, numFrames );</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  (*env)->ReleaseFloatArrayElements(env, buffer, carr, 0);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span>( err == paOutputUnderflowed )</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>  <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * Method: readFloats</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * Signature: ([FI)Z</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_readFloats</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  (JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  jfloat *carr;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  jint err;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span>( buffer == NULL )</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="stringliteral">"null stream buffer"</span>);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  carr = (*env)->GetFloatArrayElements(env, buffer, NULL);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (carr == NULL)</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="stringliteral">"invalid stream buffer"</span>);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> FALSE;</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#a0b62d4b74b5d3d88368e9e4c0b8b2dc7">Pa_ReadStream</a>( stream, carr, numFrames );</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  (*env)->ReleaseFloatArrayElements(env, buffer, carr, 0);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span>( err == paInputOverflowed )</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> FALSE;</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> }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * Method: writeShorts</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * Signature: ([SI)Z</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_writeShorts</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  (JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)</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>  jshort *carr;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  jint err;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span>( buffer == NULL )</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="stringliteral">"null stream buffer"</span>);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> FALSE;</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>  carr = (*env)->GetShortArrayElements(env, buffer, NULL);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (carr == NULL)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="stringliteral">"invalid stream buffer"</span>);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  err = <a class="code" href="portaudio_8h.html#a075a6efb503a728213bdae24347ed27d">Pa_WriteStream</a>( stream, carr, numFrames );</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  (*env)->ReleaseShortArrayElements(env, buffer, carr, 0);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span>( err == paOutputUnderflowed )</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> * Method: readShorts</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * Signature: ([SI)Z</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_readShorts</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  (JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> {</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  jshort *carr;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  jint err;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span>( buffer == NULL )</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="stringliteral">"null stream buffer"</span>);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  carr = (*env)->GetShortArrayElements(env, buffer, NULL);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (carr == NULL)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  (*env)->ThrowNew( env, (*env)->FindClass(env,<span class="stringliteral">"java/lang/RuntimeException"</span>),</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="stringliteral">"invalid stream buffer"</span>);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  err = <a class="code" href="portaudio_8h.html#a0b62d4b74b5d3d88368e9e4c0b8b2dc7">Pa_ReadStream</a>( stream, carr, numFrames );</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  (*env)->ReleaseShortArrayElements(env, buffer, carr, 0);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span>( err == paInputOverflowed )</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> FALSE;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * Method: start</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> * Signature: ()V</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> JNIEXPORT <span class="keywordtype">void</span> JNICALL Java_com_portaudio_BlockingStream_start</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> {</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream = jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">int</span> err = <a class="code" href="portaudio_8h.html#a7432aadd26c40452da12fa99fc1a047b">Pa_StartStream</a>( stream );</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> * Method: stop</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> * Signature: ()V</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> JNIEXPORT <span class="keywordtype">void</span> JNICALL Java_com_portaudio_BlockingStream_stop</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">int</span> err = <a class="code" href="portaudio_8h.html#af18dd60220251286c337631a855e38a0">Pa_StopStream</a>( stream );</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * Method: abort</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * Signature: ()V</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> JNIEXPORT <span class="keywordtype">void</span> JNICALL Java_com_portaudio_BlockingStream_abort</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> {</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordtype">int</span> err = <a class="code" href="portaudio_8h.html#a138e57abde4e833c457b64895f638a25">Pa_AbortStream</a>( stream );</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * Method: close</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * Signature: ()V</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> JNIEXPORT <span class="keywordtype">void</span> JNICALL Java_com_portaudio_BlockingStream_close</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  jclass cls;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">if</span>( stream != NULL )</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">int</span> err = <a class="code" href="portaudio_8h.html#a92f56f88cbd14da0e8e03077e835d104">Pa_CloseStream</a>( stream );</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  jpa_CheckError( env, err );</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  cls = (*env)->GetObjectClass(env, blockingStream);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  jpa_SetLongField( env, cls, blockingStream, <span class="stringliteral">"nativeStream"</span>, (jlong) 0 );</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> }</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> * Method: isStopped</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> * Signature: ()V</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_isStopped</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span>( stream == NULL ) <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  err = <a class="code" href="portaudio_8h.html#a52d778c985ae9d566de7e13529cc771f">Pa_IsStreamStopped</a>( stream );</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> (jpa_CheckError( env, err ) > 0);</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> * Method: isActive</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * Signature: ()V</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_isActive</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordtype">int</span> err;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span>( stream == NULL ) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  err = <a class="code" href="portaudio_8h.html#a1f8709c4971932643681a6f374c4bb5a">Pa_IsStreamActive</a>( stream );</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span> (jpa_CheckError( env, err ) > 0);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> }</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * Method: getTime</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * Signature: ()D</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> JNIEXPORT jdouble JNICALL Java_com_portaudio_BlockingStream_getTime</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  (JNIEnv *env, jobject blockingStream )</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> {</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span>( stream == NULL ) <span class="keywordflow">return</span> 0.0;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> <a class="code" href="portaudio_8h.html#a2b3fb60e6949f37f7f134105ff425749">Pa_GetStreamTime</a>( stream );</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * Class: com_portaudio_BlockingStream</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> * Method: getInfo</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> * Signature: ()Lcom/portaudio/StreamInfo;</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> JNIEXPORT <span class="keywordtype">void</span> JNICALL Java_com_portaudio_BlockingStream_getInfo</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  (JNIEnv *env, jobject blockingStream, jobject streamInfo)</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <a class="code" href="portaudio_8h.html#a19874734f89958fccf86785490d53b4c">PaStream</a> *stream =jpa_GetStreamPointer( env, blockingStream );</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">const</span> <a class="code" href="structPaStreamInfo.html">PaStreamInfo</a> *info = <a class="code" href="portaudio_8h.html#a3d9c4cbda4e9f381b76f287c3de8a758">Pa_GetStreamInfo</a>( stream );</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span>( streamInfo == NULL )</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  jpa_ThrowError( env, <span class="stringliteral">"Invalid stream."</span> );</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  {</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">/* Get a reference to obj's class */</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  jclass cls = (*env)->GetObjectClass(env, streamInfo);</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  jpa_SetIntField( env, cls, streamInfo, <span class="stringliteral">"structVersion"</span>, info-><a class="code" href="structPaStreamInfo.html#a5e053a3f0f6232a5d1ec0dee0f9a943b">structVersion</a> );</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  jpa_SetDoubleField( env, cls, streamInfo, <span class="stringliteral">"inputLatency"</span>, info-><a class="code" href="structPaStreamInfo.html#a1f5339e0fef75cea66d9153235698399">inputLatency</a> );</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  jpa_SetDoubleField( env, cls, streamInfo, <span class="stringliteral">"outputLatency"</span>, info-><a class="code" href="structPaStreamInfo.html#a372a81f39d90a85ae62225e9f57a7840">outputLatency</a> );</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  jpa_SetDoubleField( env, cls, streamInfo, <span class="stringliteral">"sampleRate"</span>, info-><a class="code" href="structPaStreamInfo.html#a9200fdee790d9155bc35d03be51ee2dd">sampleRate</a> );</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> }</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div>
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