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<div id="projectname">Audacious
 <span id="projectnumber">$Id:Doxyfile42802007-03-2104:39:00Znenolod$</span>
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<a href="vis__runner_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> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * vis_runner.c</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright 2009-2011 John Lindgren</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"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * modification, are permitted provided that the following conditions are met:</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"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * this list of conditions, and the following disclaimer.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * this list of conditions, and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * provided with the distribution.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * This software is provided "as is" and without any warranty, express or</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * implied. In no event shall the authors be liable for any damages arising from</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * the use of this 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> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <glib.h></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <pthread.h></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="output_8h.html">output.h</a>"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="vis__runner_8h.html">vis_runner.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="visualization_8h.html">visualization.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#ab39fec97d85960796efedec442f38004"> 29</a></span> <span class="preprocessor">#define INTERVAL 30 </span><span class="comment">/* milliseconds */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="structVisNode.html"> 31</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="code" href="structVisNode.html#a0cd9329ae8a1abcf73838d6e41480f22"> 32</a></span>  <span class="keywordtype">int</span> <a class="code" href="structVisNode.html#a0cd9329ae8a1abcf73838d6e41480f22">time</a>;</div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="structVisNode.html#ad610a5994fb977d8ed9449301f606f84"> 33</a></span>  <span class="keywordtype">float</span> * <a class="code" href="structVisNode.html#ad610a5994fb977d8ed9449301f606f84">data</a>;</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="structVisNode.html#a1c52f4636a63a0a83e828c1824a0fd2e"> 34</a></span>  <span class="keywordtype">int</span> <a class="code" href="structVisNode.html#a1c52f4636a63a0a83e828c1824a0fd2e">channels</a>;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> } <a class="code" href="structVisNode.html">VisNode</a>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3"> 37</a></span> <span class="keyword">static</span> pthread_mutex_t <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a> = PTHREAD_MUTEX_INITIALIZER;</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#ac03fb6d06b24f3219d4b7fc5fc919239"> 38</a></span> <span class="keyword">static</span> <a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> <a class="code" href="vis__runner_8c.html#ac03fb6d06b24f3219d4b7fc5fc919239">enabled</a> = <a class="code" href="core_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#adf98d05b7268cff5ebdda53ebfdbb894"> 39</a></span> <span class="keyword">static</span> <a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> <a class="code" href="vis__runner_8c.html#adf98d05b7268cff5ebdda53ebfdbb894">playing</a> = <a class="code" href="core_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>, <a class="code" href="vis__runner_8c.html#a8ec97d56c71206bf46498285421b7b25">paused</a> = <a class="code" href="core_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>, <a class="code" href="vis__runner_8c.html#add421576de5b6319db5e4190a6321030">active</a> = <a class="code" href="core_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#abc0097f150bd80ad4a60e9a970853e08"> 40</a></span> <span class="keyword">static</span> <a class="code" href="structVisNode.html">VisNode</a> * <a class="code" href="vis__runner_8c.html#abc0097f150bd80ad4a60e9a970853e08">current_node</a> = <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a615cc4e8e90ab3be2b5bb08d0e495360"> 41</a></span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="vis__runner_8c.html#a615cc4e8e90ab3be2b5bb08d0e495360">current_frames</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4"> 42</a></span> <span class="keyword">static</span> GQueue <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a> = G_QUEUE_INIT;</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6"> 43</a></span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6">send_source</a> = 0, <a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a> = 0;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96"> 45</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96">vis_node_free</a> (<a class="code" href="structVisNode.html">VisNode</a> * node)</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  g_free (node-><a class="code" href="structVisNode.html#ad610a5994fb977d8ed9449301f606f84">data</a>);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  g_free (node);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#ade459c02b08f46c94161e884613948ee"> 51</a></span> <span class="keyword">static</span> <a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> <a class="code" href="vis__runner_8c.html#ade459c02b08f46c94161e884613948ee">send_audio</a> (<span class="keywordtype">void</span> * unused)</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">/* call before locking mutex to avoid deadlock */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">int</span> outputted = <a class="code" href="output_8c.html#a9d8247ede880a27cfd2fba2491230a77">output_get_raw_time</a> ();</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>  pthread_mutex_lock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</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>  <span class="keywordflow">if</span> (! <a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6">send_source</a>)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <a class="code" href="core_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>;</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> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="structVisNode.html">VisNode</a> * vis_node = <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="structVisNode.html">VisNode</a> * next;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">while</span> ((next = g_queue_peek_head (& <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a>)))</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">/* If we are considering a node, stop searching and use it if it is the</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * most recent (that is, the next one is in the future). Otherwise,</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * consider the next node if it is not in the future by more than the</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * length of an interval. */</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (next-><a class="code" href="structVisNode.html#a0cd9329ae8a1abcf73838d6e41480f22">time</a> > outputted + (vis_node ? 0 : <a class="code" href="vis__runner_8c.html#ab39fec97d85960796efedec442f38004">INTERVAL</a>))</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">break</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>  <span class="keywordflow">if</span> (vis_node)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96">vis_node_free</a> (vis_node);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  vis_node = g_queue_pop_head (& <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a>);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</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">if</span> (! vis_node)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <a class="code" href="core_8h.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="visualization_8c.html#a75c19bb2e0a5f13104c7cd38101ec593">vis_send_audio</a> (vis_node-><a class="code" href="structVisNode.html#ad610a5994fb977d8ed9449301f606f84">data</a>, vis_node-><a class="code" href="structVisNode.html#a1c52f4636a63a0a83e828c1824a0fd2e">channels</a>);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96">vis_node_free</a> (vis_node);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> <a class="code" href="core_8h.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a18907c7ea6b1e227e86c848d0e4f1583"> 93</a></span> <span class="keyword">static</span> <a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> <a class="code" href="vis__runner_8c.html#a18907c7ea6b1e227e86c848d0e4f1583">send_clear</a> (<span class="keywordtype">void</span> * unused)</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  pthread_mutex_lock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a> = 0;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="visualization_8c.html#ae59101f2363655b874dda200feba9b15">vis_send_clear</a> ();</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>  <span class="keywordflow">return</span> <a class="code" href="core_8h.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a9bd00ad66a12d0c33a95351dd0753064"> 104</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#a9bd00ad66a12d0c33a95351dd0753064">flush</a> (<span class="keywordtype">void</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="keywordflow">if</span> (current_node)</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96">vis_node_free</a> (current_node);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  current_node = <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</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>  g_queue_foreach (& <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a>, (GFunc) <a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96">vis_node_free</a>, <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  g_queue_clear (& <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a>);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (! <a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a>)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a> = g_timeout_add (0, <a class="code" href="vis__runner_8c.html#a18907c7ea6b1e227e86c848d0e4f1583">send_clear</a>, <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</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> </div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="code" href="vis__runner_8h.html#ad4def869413c24459a4f2db5662e87a4"> 119</a></span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#ad4def869413c24459a4f2db5662e87a4">vis_runner_flush</a> (<span class="keywordtype">void</span>)</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>  pthread_mutex_lock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="vis__runner_8c.html#a9bd00ad66a12d0c33a95351dd0753064">flush</a> ();</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</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> </div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="code" href="vis__runner_8c.html#a6063d693d723770de4109c673a19573a"> 126</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#a6063d693d723770de4109c673a19573a">start_stop</a> (<a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> new_playing, <a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> new_paused)</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>  <a class="code" href="vis__runner_8c.html#adf98d05b7268cff5ebdda53ebfdbb894">playing</a> = new_playing;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="vis__runner_8c.html#a8ec97d56c71206bf46498285421b7b25">paused</a> = new_paused;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="vis__runner_8c.html#add421576de5b6319db5e4190a6321030">active</a> = <a class="code" href="vis__runner_8c.html#adf98d05b7268cff5ebdda53ebfdbb894">playing</a> && <a class="code" href="vis__runner_8c.html#ac03fb6d06b24f3219d4b7fc5fc919239">enabled</a>;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (<a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6">send_source</a>)</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>  g_source_remove (<a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6">send_source</a>);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6">send_source</a> = 0;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</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>  <span class="keywordflow">if</span> (<a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a>)</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  g_source_remove (<a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a>);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="vis__runner_8c.html#a2ad6995c7192100af11f9dd8a0307ba8">clear_source</a> = 0;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</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">if</span> (! <a class="code" href="vis__runner_8c.html#add421576de5b6319db5e4190a6321030">active</a>)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="vis__runner_8c.html#a9bd00ad66a12d0c33a95351dd0753064">flush</a> ();</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (! <a class="code" href="vis__runner_8c.html#a8ec97d56c71206bf46498285421b7b25">paused</a>)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="vis__runner_8c.html#abeeeaae1d937d8103d5767b78060fae6">send_source</a> = g_timeout_add (<a class="code" href="vis__runner_8c.html#ab39fec97d85960796efedec442f38004">INTERVAL</a>, <a class="code" href="vis__runner_8c.html#ade459c02b08f46c94161e884613948ee">send_audio</a>, <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</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"><a class="code" href="vis__runner_8h.html#a8b09b30398522cb444dca96f3dba345f"> 150</a></span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#ab8104c475d15d6ff910f7644ec7c4101">vis_runner_start_stop</a> (<a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> new_playing, <a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> new_paused)</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  pthread_mutex_lock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="vis__runner_8c.html#a6063d693d723770de4109c673a19573a">start_stop</a> (new_playing, new_paused);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</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> </div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="code" href="vis__runner_8h.html#affedc1a580d06e426db98d45be252635"> 157</a></span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#affedc1a580d06e426db98d45be252635">vis_runner_pass_audio</a> (<span class="keywordtype">int</span> time, <span class="keywordtype">float</span> * data, <span class="keywordtype">int</span> samples, <span class="keywordtype">int</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="equalizer_8c.html#a178795099d0608972755dfef8d8367e3">channels</a>, <span class="keywordtype">int</span> <a class="code" href="equalizer_8c.html#a7a829e6fd74e94e0edf10550470d844c">rate</a>)</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  pthread_mutex_lock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</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>  <span class="keywordflow">if</span> (! <a class="code" href="vis__runner_8c.html#add421576de5b6319db5e4190a6321030">active</a>)</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">goto</span> UNLOCK;</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>  <span class="comment">/* We can build a single node from multiple calls; we can also build</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * multiple nodes from the same call. If current_node is present, it was</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * partly built in the last call and needs to be finished. */</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (current_node && current_node-><a class="code" href="structVisNode.html#a1c52f4636a63a0a83e828c1824a0fd2e">channels</a> != channels)</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>  <a class="code" href="vis__runner_8c.html#a4dd2ea5ecf9c40736075f2d231051e96">vis_node_free</a> (current_node);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  current_node = <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</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>  <span class="keywordtype">int</span> <a class="code" href="playlist-api_8h.html#a9b77ffc728c31f7c2bfb388fb96e1e05">at</a> = 0;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">while</span> (1)</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">if</span> (! current_node)</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="keywordtype">int</span> node_time = time;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="structVisNode.html">VisNode</a> * last;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">/* There is no partly-built node, so start a new one. Normally</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * there will be nodes in the queue already; if so, we want to copy</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> * audio data from the signal starting at 30 milliseconds after the</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> * beginning of the most recent node. If there are no nodes in the</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> * queue, we are at the beginning of the song or had an underrun,</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> * and we want to copy the earliest audio data we have. */</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> ((last = g_queue_peek_tail (& <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a>)))</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  node_time = last-><a class="code" href="structVisNode.html#a0cd9329ae8a1abcf73838d6e41480f22">time</a> + <a class="code" href="vis__runner_8c.html#ab39fec97d85960796efedec442f38004">INTERVAL</a>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  at = channels * (<a class="code" href="misc-api_8h.html#aca5b4addd5e6ab053131aaf079201165">int</a>) ((int64_t) (node_time - time) * rate / 1000);</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>  <span class="keywordflow">if</span> (at < 0)</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  at = 0;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (at >= samples)</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">break</span>;</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>  current_node = g_malloc (<span class="keyword">sizeof</span> (<a class="code" href="structVisNode.html">VisNode</a>));</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  current_node-><a class="code" href="structVisNode.html#a0cd9329ae8a1abcf73838d6e41480f22">time</a> = node_time;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  current_node-><a class="code" href="structVisNode.html#ad610a5994fb977d8ed9449301f606f84">data</a> = g_malloc (<span class="keyword">sizeof</span> (<span class="keywordtype">float</span>) * channels * 512);</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  current_node-><a class="code" href="structVisNode.html#a1c52f4636a63a0a83e828c1824a0fd2e">channels</a> = <a class="code" href="equalizer_8c.html#a178795099d0608972755dfef8d8367e3">channels</a>;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="vis__runner_8c.html#a615cc4e8e90ab3be2b5bb08d0e495360">current_frames</a> = 0;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</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>  <span class="comment">/* Copy as much data as we can, limited by how much we have and how much</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * space is left in the node. If we cannot fill the node, we return and</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * wait for more data to be passed in the next call. If we do fill the</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * node, we loop and start building a new one. */</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">int</span> copy = <a class="code" href="core_8h.html#a3acffbd305ee72dcd4593c0d8af64a4f">MIN</a> (samples - at, channels * (512 - <a class="code" href="vis__runner_8c.html#a615cc4e8e90ab3be2b5bb08d0e495360">current_frames</a>));</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  memcpy (current_node-><a class="code" href="structVisNode.html#ad610a5994fb977d8ed9449301f606f84">data</a> + channels * <a class="code" href="vis__runner_8c.html#a615cc4e8e90ab3be2b5bb08d0e495360">current_frames</a>, data + at, sizeof (<span class="keywordtype">float</span>) * copy);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  current_frames += copy / <a class="code" href="equalizer_8c.html#a178795099d0608972755dfef8d8367e3">channels</a>;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (current_frames < 512)</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">break</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>  g_queue_push_tail (& <a class="code" href="vis__runner_8c.html#a93652f5b34480be42c6fac1db7be20d4">vis_list</a>, current_node);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  current_node = <a class="code" href="core_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</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> UNLOCK:</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a name="l00228"></a><span class="lineno"><a class="code" href="vis__runner_8h.html#a0d454d64128a911c28b9af9224f818c7"> 228</a></span> <span class="keywordtype">void</span> <a class="code" href="vis__runner_8c.html#a0d454d64128a911c28b9af9224f818c7">vis_runner_enable</a> (<a class="code" href="playlist-api_8h.html#a9c0371229a271517ff8b2eb9901063eb">bool_t</a> enable)</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  pthread_mutex_lock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="vis__runner_8c.html#ac03fb6d06b24f3219d4b7fc5fc919239">enabled</a> = enable;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="vis__runner_8c.html#a6063d693d723770de4109c673a19573a">start_stop</a> (<a class="code" href="vis__runner_8c.html#adf98d05b7268cff5ebdda53ebfdbb894">playing</a>, <a class="code" href="vis__runner_8c.html#a8ec97d56c71206bf46498285421b7b25">paused</a>);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  pthread_mutex_unlock (& <a class="code" href="vis__runner_8c.html#a4acff8232e4aec9cd5c6dc200ac55ef3">mutex</a>);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> }</div>
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