30 lines
1.4 KiB
C
30 lines
1.4 KiB
C
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/* Exercise the JUCE-built VST3 through xtc's existing C host, not JUCE's host. */
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#include "xtc/xtc_plugin.h"
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#include <assert.h>
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#include <math.h>
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#include <stdio.h>
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int main(int argc,char **argv)
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{
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xtc_plugin_spec spec;
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xtc_plugin *plugin=NULL;
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xtc_midi_event events[]={{13,XTC_MIDI_NOTE_ON,0,69,100},{200,XTC_MIDI_ALL_OFF,0,0,0}};
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float data[256]; size_t i, block; float peak=0;
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assert(argc==2 && argv[1][0]=='/');
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assert(xtc_plugin_probe_format(XTC_PLUGIN_VST3,argv[1],0,48000,&spec)==XTC_OK);
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assert(spec.instrument && spec.inputs==0 && spec.format==XTC_PLUGIN_VST3);
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assert(xtc_plugin_create(&spec,48000,256,&plugin)==XTC_OK);
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assert(xtc_plugin_process_midi(plugin,events,2,data,256)==XTC_OK);
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for(i=0;i<13;++i)assert(data[i]==0);
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for(i=13;i<200;++i){assert(isfinite(data[i]));if(fabsf(data[i])>peak)peak=fabsf(data[i]);}
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assert(peak>.005f);
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/* The C VST3 host maps ALL_OFF to individual note-offs, allowing release. */
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for(i=200;i<256;++i)assert(isfinite(data[i]));
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for(block=0;block<200;++block) {
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assert(xtc_plugin_process_midi(plugin,NULL,0,data,256)==XTC_OK);
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for(i=0;i<256;++i)assert(isfinite(data[i]));
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}
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for(i=0;i<256;++i)assert(data[i]==0);
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xtc_plugin_destroy(plugin);
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puts("JUCE VST3 loaded through the xtc C host: identity, mono negotiation, MIDI offsets, note-off release and eventual silence passed.");
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return 0;
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}
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