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author cannam
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cannam@0 22 <h1>PluginChannelAdapter.cpp</h1><a href="PluginChannelAdapter_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */</span>
cannam@0 23 <a name="l00002"></a>00002
cannam@0 24 <a name="l00003"></a>00003 <span class="comment">/*</span>
cannam@0 25 <a name="l00004"></a>00004 <span class="comment"> Vamp</span>
cannam@0 26 <a name="l00005"></a>00005 <span class="comment"></span>
cannam@0 27 <a name="l00006"></a>00006 <span class="comment"> An API for audio analysis and feature extraction plugins.</span>
cannam@0 28 <a name="l00007"></a>00007 <span class="comment"></span>
cannam@0 29 <a name="l00008"></a>00008 <span class="comment"> Centre for Digital Music, Queen Mary, University of London.</span>
cannam@0 30 <a name="l00009"></a>00009 <span class="comment"> Copyright 2006-2007 Chris Cannam and QMUL.</span>
cannam@0 31 <a name="l00010"></a>00010 <span class="comment"> </span>
cannam@0 32 <a name="l00011"></a>00011 <span class="comment"> Permission is hereby granted, free of charge, to any person</span>
cannam@0 33 <a name="l00012"></a>00012 <span class="comment"> obtaining a copy of this software and associated documentation</span>
cannam@0 34 <a name="l00013"></a>00013 <span class="comment"> files (the "Software"), to deal in the Software without</span>
cannam@0 35 <a name="l00014"></a>00014 <span class="comment"> restriction, including without limitation the rights to use, copy,</span>
cannam@0 36 <a name="l00015"></a>00015 <span class="comment"> modify, merge, publish, distribute, sublicense, and/or sell copies</span>
cannam@0 37 <a name="l00016"></a>00016 <span class="comment"> of the Software, and to permit persons to whom the Software is</span>
cannam@0 38 <a name="l00017"></a>00017 <span class="comment"> furnished to do so, subject to the following conditions:</span>
cannam@0 39 <a name="l00018"></a>00018 <span class="comment"></span>
cannam@0 40 <a name="l00019"></a>00019 <span class="comment"> The above copyright notice and this permission notice shall be</span>
cannam@0 41 <a name="l00020"></a>00020 <span class="comment"> included in all copies or substantial portions of the Software.</span>
cannam@0 42 <a name="l00021"></a>00021 <span class="comment"></span>
cannam@0 43 <a name="l00022"></a>00022 <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span>
cannam@0 44 <a name="l00023"></a>00023 <span class="comment"> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
cannam@0 45 <a name="l00024"></a>00024 <span class="comment"> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>
cannam@0 46 <a name="l00025"></a>00025 <span class="comment"> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR</span>
cannam@0 47 <a name="l00026"></a>00026 <span class="comment"> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span>
cannam@0 48 <a name="l00027"></a>00027 <span class="comment"> CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span>
cannam@0 49 <a name="l00028"></a>00028 <span class="comment"> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span>
cannam@0 50 <a name="l00029"></a>00029 <span class="comment"></span>
cannam@0 51 <a name="l00030"></a>00030 <span class="comment"> Except as contained in this notice, the names of the Centre for</span>
cannam@0 52 <a name="l00031"></a>00031 <span class="comment"> Digital Music; Queen Mary, University of London; and Chris Cannam</span>
cannam@0 53 <a name="l00032"></a>00032 <span class="comment"> shall not be used in advertising or otherwise to promote the sale,</span>
cannam@0 54 <a name="l00033"></a>00033 <span class="comment"> use or other dealings in this Software without prior written</span>
cannam@0 55 <a name="l00034"></a>00034 <span class="comment"> authorization.</span>
cannam@0 56 <a name="l00035"></a>00035 <span class="comment">*/</span>
cannam@0 57 <a name="l00036"></a>00036
cannam@0 58 <a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="PluginChannelAdapter_8h.html">PluginChannelAdapter.h</a>"</span>
cannam@0 59 <a name="l00038"></a>00038
cannam@0 60 <a name="l00039"></a>00039 <span class="keyword">namespace </span>Vamp {
cannam@0 61 <a name="l00040"></a>00040
cannam@0 62 <a name="l00041"></a>00041 <span class="keyword">namespace </span>HostExt {
cannam@0 63 <a name="l00042"></a>00042
cannam@0 64 <a name="l00043"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html">00043</a> <span class="keyword">class </span><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html">PluginChannelAdapter::Impl</a>
cannam@0 65 <a name="l00044"></a>00044 {
cannam@0 66 <a name="l00045"></a>00045 <span class="keyword">public</span>:
cannam@0 67 <a name="l00046"></a>00046 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#dff6fc53236f067148f82da1adca7876">Impl</a>(<a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *plugin);
cannam@0 68 <a name="l00047"></a>00047 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#2f93eb032a41a52967e1c47a2901fa33">~Impl</a>();
cannam@0 69 <a name="l00048"></a>00048
cannam@0 70 <a name="l00049"></a>00049 <span class="keywordtype">bool</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#bf47235b455880c94ec15bb71122afc8">initialise</a>(<span class="keywordtype">size_t</span> channels, <span class="keywordtype">size_t</span> stepSize, <span class="keywordtype">size_t</span> blockSize);
cannam@0 71 <a name="l00050"></a>00050
cannam@0 72 <a name="l00051"></a>00051 <a class="code" href="classVamp_1_1Plugin.html#448fb57dc245d47923ec9eeaf9856c5f">FeatureSet</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ce73f776af09556fa6dc000c8bfdbe06">process</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *<span class="keyword">const</span> *inputBuffers, <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic...">RealTime</a> timestamp);
cannam@0 73 <a name="l00052"></a>00052
cannam@0 74 <a name="l00053"></a>00053 <span class="keyword">protected</span>:
cannam@0 75 <a name="l00054"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">00054</a> <a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>;
cannam@0 76 <a name="l00055"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#be7b76040411a4544a9a8b0808737626">00055</a> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#be7b76040411a4544a9a8b0808737626">m_blockSize</a>;
cannam@0 77 <a name="l00056"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">00056</a> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a>;
cannam@0 78 <a name="l00057"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">00057</a> <span class="keywordtype">size_t</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>;
cannam@0 79 <a name="l00058"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">00058</a> <span class="keywordtype">float</span> **<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>;
cannam@0 80 <a name="l00059"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">00059</a> <span class="keyword">const</span> <span class="keywordtype">float</span> **<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>;
cannam@0 81 <a name="l00060"></a>00060 };
cannam@0 82 <a name="l00061"></a>00061
cannam@0 83 <a name="l00062"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#2cda2b672708264f9a33c43bad3acdd8">00062</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#2cda2b672708264f9a33c43bad3acdd8">PluginChannelAdapter::PluginChannelAdapter</a>(<a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *plugin) :
cannam@0 84 <a name="l00063"></a>00063 <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html" title="PluginWrapper is a simple base class for adapter plugins.">PluginWrapper</a>(plugin)
cannam@0 85 <a name="l00064"></a>00064 {
cannam@0 86 <a name="l00065"></a>00065 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#e3a74a2e6c4cd33dce9f4248e73c6701">m_impl</a> = <span class="keyword">new</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html">Impl</a>(plugin);
cannam@0 87 <a name="l00066"></a>00066 }
cannam@0 88 <a name="l00067"></a>00067
cannam@0 89 <a name="l00068"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#7bd79ac5febc8d3c499e7339476c07b4">00068</a> PluginChannelAdapter::~PluginChannelAdapter()
cannam@0 90 <a name="l00069"></a>00069 {
cannam@0 91 <a name="l00070"></a>00070 <span class="keyword">delete</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#e3a74a2e6c4cd33dce9f4248e73c6701">m_impl</a>;
cannam@0 92 <a name="l00071"></a>00071 }
cannam@0 93 <a name="l00072"></a>00072
cannam@0 94 <a name="l00073"></a>00073 <span class="keywordtype">bool</span>
cannam@0 95 <a name="l00074"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#de0473c8fc54636431967cbf41649c1c">00074</a> PluginChannelAdapter::initialise(<span class="keywordtype">size_t</span> channels, <span class="keywordtype">size_t</span> stepSize, <span class="keywordtype">size_t</span> blockSize)
cannam@0 96 <a name="l00075"></a>00075 {
cannam@0 97 <a name="l00076"></a>00076 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#e3a74a2e6c4cd33dce9f4248e73c6701">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#bf47235b455880c94ec15bb71122afc8">initialise</a>(channels, stepSize, blockSize);
cannam@0 98 <a name="l00077"></a>00077 }
cannam@0 99 <a name="l00078"></a>00078
cannam@0 100 <a name="l00079"></a>00079 <a class="code" href="classVamp_1_1Plugin.html#448fb57dc245d47923ec9eeaf9856c5f">PluginChannelAdapter::FeatureSet</a>
cannam@0 101 <a name="l00080"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#294e663b4d9ec885791faa1b440571ed">00080</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#294e663b4d9ec885791faa1b440571ed" title="Process a single block of input data.">PluginChannelAdapter::process</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *<span class="keyword">const</span> *inputBuffers,
cannam@0 102 <a name="l00081"></a>00081 <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic...">RealTime</a> timestamp)
cannam@0 103 <a name="l00082"></a>00082 {
cannam@0 104 <a name="l00083"></a>00083 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter.html#e3a74a2e6c4cd33dce9f4248e73c6701">m_impl</a>-&gt;<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ce73f776af09556fa6dc000c8bfdbe06">process</a>(inputBuffers, timestamp);
cannam@0 105 <a name="l00084"></a>00084 }
cannam@0 106 <a name="l00085"></a>00085
cannam@0 107 <a name="l00086"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#dff6fc53236f067148f82da1adca7876">00086</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#dff6fc53236f067148f82da1adca7876">PluginChannelAdapter::Impl::Impl</a>(<a class="code" href="classVamp_1_1Plugin.html" title="Vamp::Plugin is a base class for plugin instance classes that provide feature extraction...">Plugin</a> *plugin) :
cannam@0 108 <a name="l00087"></a>00087 <a class="code" href="classVamp_1_1HostExt_1_1PluginWrapper.html#b4e40ecd98b445e1a2aa9e7baa280ea2">m_plugin</a>(plugin),
cannam@0 109 <a name="l00088"></a>00088 m_blockSize(0),
cannam@0 110 <a name="l00089"></a>00089 m_inputChannels(0),
cannam@0 111 <a name="l00090"></a>00090 m_pluginChannels(0),
cannam@0 112 <a name="l00091"></a>00091 m_buffer(0),
cannam@0 113 <a name="l00092"></a>00092 m_forwardPtrs(0)
cannam@0 114 <a name="l00093"></a>00093 {
cannam@0 115 <a name="l00094"></a>00094 }
cannam@0 116 <a name="l00095"></a>00095
cannam@0 117 <a name="l00096"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#2f93eb032a41a52967e1c47a2901fa33">00096</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#2f93eb032a41a52967e1c47a2901fa33">PluginChannelAdapter::Impl::~Impl</a>()
cannam@0 118 <a name="l00097"></a>00097 {
cannam@0 119 <a name="l00098"></a>00098 <span class="comment">// the adapter will delete the plugin</span>
cannam@0 120 <a name="l00099"></a>00099
cannam@0 121 <a name="l00100"></a>00100 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>) {
cannam@0 122 <a name="l00101"></a>00101 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &gt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>) {
cannam@0 123 <a name="l00102"></a>00102 <span class="keyword">delete</span>[] <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[0];
cannam@0 124 <a name="l00103"></a>00103 } <span class="keywordflow">else</span> {
cannam@0 125 <a name="l00104"></a>00104 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> - <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a>; ++i) {
cannam@0 126 <a name="l00105"></a>00105 <span class="keyword">delete</span>[] <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[i];
cannam@0 127 <a name="l00106"></a>00106 }
cannam@0 128 <a name="l00107"></a>00107 }
cannam@0 129 <a name="l00108"></a>00108 <span class="keyword">delete</span>[] <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>;
cannam@0 130 <a name="l00109"></a>00109 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a> = 0;
cannam@0 131 <a name="l00110"></a>00110 }
cannam@0 132 <a name="l00111"></a>00111
cannam@0 133 <a name="l00112"></a>00112 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>) {
cannam@0 134 <a name="l00113"></a>00113 <span class="keyword">delete</span>[] <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>;
cannam@0 135 <a name="l00114"></a>00114 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a> = 0;
cannam@0 136 <a name="l00115"></a>00115 }
cannam@0 137 <a name="l00116"></a>00116 }
cannam@0 138 <a name="l00117"></a>00117
cannam@0 139 <a name="l00118"></a>00118 <span class="keywordtype">bool</span>
cannam@0 140 <a name="l00119"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#bf47235b455880c94ec15bb71122afc8">00119</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#bf47235b455880c94ec15bb71122afc8">PluginChannelAdapter::Impl::initialise</a>(<span class="keywordtype">size_t</span> channels, <span class="keywordtype">size_t</span> stepSize, <span class="keywordtype">size_t</span> blockSize)
cannam@0 141 <a name="l00120"></a>00120 {
cannam@0 142 <a name="l00121"></a>00121 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#be7b76040411a4544a9a8b0808737626">m_blockSize</a> = blockSize;
cannam@0 143 <a name="l00122"></a>00122
cannam@0 144 <a name="l00123"></a>00123 <span class="keywordtype">size_t</span> minch = <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#267b42e866df3cf0d190893e8096f525" title="Get the minimum supported number of input channels.">getMinChannelCount</a>();
cannam@0 145 <a name="l00124"></a>00124 <span class="keywordtype">size_t</span> maxch = <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#2c5ab12b6fa4847cb244bd1e9cb3ae5e" title="Get the maximum supported number of input channels.">getMaxChannelCount</a>();
cannam@0 146 <a name="l00125"></a>00125
cannam@0 147 <a name="l00126"></a>00126 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> = channels;
cannam@0 148 <a name="l00127"></a>00127
cannam@0 149 <a name="l00128"></a>00128 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &lt; minch) {
cannam@0 150 <a name="l00129"></a>00129
cannam@0 151 <a name="l00130"></a>00130 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a> = <span class="keyword">new</span> <span class="keyword">const</span> <span class="keywordtype">float</span> *[minch];
cannam@0 152 <a name="l00131"></a>00131
cannam@0 153 <a name="l00132"></a>00132 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &gt; 1) {
cannam@0 154 <a name="l00133"></a>00133 <span class="comment">// We need a set of zero-valued buffers to add to the</span>
cannam@0 155 <a name="l00134"></a>00134 <span class="comment">// forwarded pointers</span>
cannam@0 156 <a name="l00135"></a>00135 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a> = <span class="keyword">new</span> <span class="keywordtype">float</span>*[minch - channels];
cannam@0 157 <a name="l00136"></a>00136 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; minch; ++i) {
cannam@0 158 <a name="l00137"></a>00137 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[i] = <span class="keyword">new</span> <span class="keywordtype">float</span>[blockSize];
cannam@0 159 <a name="l00138"></a>00138 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; blockSize; ++j) {
cannam@0 160 <a name="l00139"></a>00139 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[i][j] = 0.f;
cannam@0 161 <a name="l00140"></a>00140 }
cannam@0 162 <a name="l00141"></a>00141 }
cannam@0 163 <a name="l00142"></a>00142 }
cannam@0 164 <a name="l00143"></a>00143
cannam@0 165 <a name="l00144"></a>00144 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> = minch;
cannam@0 166 <a name="l00145"></a>00145
cannam@0 167 <a name="l00146"></a>00146 std::cerr &lt;&lt; <span class="stringliteral">"PluginChannelAdapter::initialise: expanding "</span> &lt;&lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &lt;&lt; <span class="stringliteral">" to "</span> &lt;&lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> &lt;&lt; <span class="stringliteral">" for plugin"</span> &lt;&lt; std::endl;
cannam@0 168 <a name="l00147"></a>00147
cannam@0 169 <a name="l00148"></a>00148 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &gt; maxch) {
cannam@0 170 <a name="l00149"></a>00149
cannam@0 171 <a name="l00150"></a>00150 <span class="comment">// We only need m_buffer if we are mixing down to a single</span>
cannam@0 172 <a name="l00151"></a>00151 <span class="comment">// channel -- otherwise we can just forward the same float* as</span>
cannam@0 173 <a name="l00152"></a>00152 <span class="comment">// passed in to process(), expecting the excess to be ignored</span>
cannam@0 174 <a name="l00153"></a>00153
cannam@0 175 <a name="l00154"></a>00154 <span class="keywordflow">if</span> (maxch == 1) {
cannam@0 176 <a name="l00155"></a>00155 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a> = <span class="keyword">new</span> <span class="keywordtype">float</span> *[1];
cannam@0 177 <a name="l00156"></a>00156 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[0] = <span class="keyword">new</span> <span class="keywordtype">float</span>[blockSize];
cannam@0 178 <a name="l00157"></a>00157
cannam@0 179 <a name="l00158"></a>00158 std::cerr &lt;&lt; <span class="stringliteral">"PluginChannelAdapter::initialise: mixing "</span> &lt;&lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &lt;&lt; <span class="stringliteral">" to mono for plugin"</span> &lt;&lt; std::endl;
cannam@0 180 <a name="l00159"></a>00159
cannam@0 181 <a name="l00160"></a>00160 } <span class="keywordflow">else</span> {
cannam@0 182 <a name="l00161"></a>00161
cannam@0 183 <a name="l00162"></a>00162 std::cerr &lt;&lt; <span class="stringliteral">"PluginChannelAdapter::initialise: reducing "</span> &lt;&lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &lt;&lt; <span class="stringliteral">" to "</span> &lt;&lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> &lt;&lt; <span class="stringliteral">" for plugin"</span> &lt;&lt; std::endl;
cannam@0 184 <a name="l00163"></a>00163 }
cannam@0 185 <a name="l00164"></a>00164
cannam@0 186 <a name="l00165"></a>00165 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> = maxch;
cannam@0 187 <a name="l00166"></a>00166
cannam@0 188 <a name="l00167"></a>00167 } <span class="keywordflow">else</span> {
cannam@0 189 <a name="l00168"></a>00168
cannam@0 190 <a name="l00169"></a>00169 std::cerr &lt;&lt; <span class="stringliteral">"PluginChannelAdapter::initialise: accepting given number of channels ("</span> &lt;&lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &lt;&lt; <span class="stringliteral">")"</span> &lt;&lt; std::endl;
cannam@0 191 <a name="l00170"></a>00170 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> = <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a>;
cannam@0 192 <a name="l00171"></a>00171 }
cannam@0 193 <a name="l00172"></a>00172
cannam@0 194 <a name="l00173"></a>00173 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#f26212cf5fc511b603a8b48034247822" title="Initialise a plugin to prepare it for use with the given number of input channels...">initialise</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>, stepSize, blockSize);
cannam@0 195 <a name="l00174"></a>00174 }
cannam@0 196 <a name="l00175"></a>00175
cannam@0 197 <a name="l00176"></a>00176 <a class="code" href="classVamp_1_1Plugin.html#448fb57dc245d47923ec9eeaf9856c5f">PluginChannelAdapter::FeatureSet</a>
cannam@0 198 <a name="l00177"></a><a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ce73f776af09556fa6dc000c8bfdbe06">00177</a> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ce73f776af09556fa6dc000c8bfdbe06">PluginChannelAdapter::Impl::process</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> *<span class="keyword">const</span> *inputBuffers,
cannam@0 199 <a name="l00178"></a>00178 <a class="code" href="structVamp_1_1RealTime.html" title="RealTime represents time values to nanosecond precision with accurate arithmetic...">RealTime</a> timestamp)
cannam@0 200 <a name="l00179"></a>00179 {
cannam@0 201 <a name="l00180"></a>00180 <span class="comment">// std::cerr &lt;&lt; "PluginChannelAdapter::process: " &lt;&lt; m_inputChannels &lt;&lt; " -&gt; " &lt;&lt; m_pluginChannels &lt;&lt; " channels" &lt;&lt; std::endl;</span>
cannam@0 202 <a name="l00181"></a>00181
cannam@0 203 <a name="l00182"></a>00182 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>) {
cannam@0 204 <a name="l00183"></a>00183
cannam@0 205 <a name="l00184"></a>00184 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> == 1) {
cannam@0 206 <a name="l00185"></a>00185 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>; ++i) {
cannam@0 207 <a name="l00186"></a>00186 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>[i] = inputBuffers[0];
cannam@0 208 <a name="l00187"></a>00187 }
cannam@0 209 <a name="l00188"></a>00188 } <span class="keywordflow">else</span> {
cannam@0 210 <a name="l00189"></a>00189 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a>; ++i) {
cannam@0 211 <a name="l00190"></a>00190 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>[i] = inputBuffers[i];
cannam@0 212 <a name="l00191"></a>00191 }
cannam@0 213 <a name="l00192"></a>00192 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = m_inputChannels; i &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>; ++i) {
cannam@0 214 <a name="l00193"></a>00193 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>[i] = <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[i - m_inputChannels];
cannam@0 215 <a name="l00194"></a>00194 }
cannam@0 216 <a name="l00195"></a>00195 }
cannam@0 217 <a name="l00196"></a>00196
cannam@0 218 <a name="l00197"></a>00197 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#e4aed3bebfe80a2e2fccd3d37af26996" title="Process a single block of input data.">process</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#882147731ba96cf5da446265dbce11bd">m_forwardPtrs</a>, timestamp);
cannam@0 219 <a name="l00198"></a>00198
cannam@0 220 <a name="l00199"></a>00199 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a> &gt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a>) {
cannam@0 221 <a name="l00200"></a>00200
cannam@0 222 <a name="l00201"></a>00201 <span class="keywordflow">if</span> (<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#94268d42f93bd26608fab34d5b4ad680">m_pluginChannels</a> == 1) {
cannam@0 223 <a name="l00202"></a>00202 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#be7b76040411a4544a9a8b0808737626">m_blockSize</a>; ++j) {
cannam@0 224 <a name="l00203"></a>00203 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[0][j] = inputBuffers[0][j];
cannam@0 225 <a name="l00204"></a>00204 }
cannam@0 226 <a name="l00205"></a>00205 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 1; i &lt; <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#6e32d1564be175506a4d43dbfb8e3ace">m_inputChannels</a>; ++i) {
cannam@0 227 <a name="l00206"></a>00206 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; m_blockSize; ++j) {
cannam@0 228 <a name="l00207"></a>00207 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[0][j] += inputBuffers[i][j];
cannam@0 229 <a name="l00208"></a>00208 }
cannam@0 230 <a name="l00209"></a>00209 }
cannam@0 231 <a name="l00210"></a>00210 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; m_blockSize; ++j) {
cannam@0 232 <a name="l00211"></a>00211 <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>[0][j] /= m_inputChannels;
cannam@0 233 <a name="l00212"></a>00212 }
cannam@0 234 <a name="l00213"></a>00213 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#e4aed3bebfe80a2e2fccd3d37af26996" title="Process a single block of input data.">process</a>(<a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#0494a5293836baeb822405ec4ce0c553">m_buffer</a>, timestamp);
cannam@0 235 <a name="l00214"></a>00214 } <span class="keywordflow">else</span> {
cannam@0 236 <a name="l00215"></a>00215 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#e4aed3bebfe80a2e2fccd3d37af26996" title="Process a single block of input data.">process</a>(inputBuffers, timestamp);
cannam@0 237 <a name="l00216"></a>00216 }
cannam@0 238 <a name="l00217"></a>00217
cannam@0 239 <a name="l00218"></a>00218 } <span class="keywordflow">else</span> {
cannam@0 240 <a name="l00219"></a>00219
cannam@0 241 <a name="l00220"></a>00220 <span class="keywordflow">return</span> <a class="code" href="classVamp_1_1HostExt_1_1PluginChannelAdapter_1_1Impl.html#ff31c1cf3a0fb18ddab7e3ab213c3c07">m_plugin</a>-&gt;<a class="code" href="classVamp_1_1Plugin.html#e4aed3bebfe80a2e2fccd3d37af26996" title="Process a single block of input data.">process</a>(inputBuffers, timestamp);
cannam@0 242 <a name="l00221"></a>00221 }
cannam@0 243 <a name="l00222"></a>00222 }
cannam@0 244 <a name="l00223"></a>00223
cannam@0 245 <a name="l00224"></a>00224 }
cannam@0 246 <a name="l00225"></a>00225
cannam@0 247 <a name="l00226"></a>00226 }
cannam@0 248 <a name="l00227"></a>00227
cannam@0 249 <a name="l00228"></a>00228
cannam@0 250 </pre></div></div>
cannam@0 251 <hr size="1"><address style="text-align: right;"><small>Generated on Wed Jul 9 11:36:06 2008 for VampPluginSDK by&nbsp;
cannam@0 252 <a href="http://www.doxygen.org/index.html">
cannam@0 253 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address>
cannam@0 254 </body>
cannam@0 255 </html>