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vst3 cpu meter

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This commit is contained in:
Paolo Marrone 2024-07-04 10:02:20 +02:00
parent ebf2a2052c
commit 5d07c39170
3 changed files with 33 additions and 1 deletions
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4
templates/vst3/src/data.h
View File

@ -211,6 +211,10 @@ static struct {
{{~}}
};
{{?it.product.parameters.find(x => x.direction == "output" && x.isCpumeter)}}
# define PARAM_OUT_CPU_INDEX {{=it.product.parameters.indexOf(it.product.parameters.find(x => x.direction == "output" && x.isCpumeter))}}
{{?}}
# endif
#endif

29
templates/vst3/src/vst3.c
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@ -64,6 +64,10 @@ typedef struct {
#include <pmmintrin.h>
#endif
#ifdef PARAM_OUT_CPU_INDEX
# include "fatica.h"
#endif
// COM in C doc:
// https://github.com/rubberduck-vba/Rubberduck/wiki/COM-in-plain-C
// https://devblogs.microsoft.com/oldnewthing/20040205-00/?p=40733
@ -222,6 +226,9 @@ typedef struct pluginInstance {
char midiOutputsActive[DATA_PRODUCT_BUSES_MIDI_OUTPUT_N];
#endif
void *mem;
#ifdef PARAM_OUT_CPU_INDEX
float cpu_meter;
#endif
} pluginInstance;
static Steinberg_Vst_IComponentVtbl pluginVtblIComponent;
@ -320,6 +327,9 @@ static Steinberg_tresult pluginInitialize(void *thisInterface, struct Steinberg_
p->midiOutputsActive[i] = 0;
#endif
p->mem = NULL;
#ifdef PARAM_OUT_CPU_INDEX
p->cpu_meter = 0.f;
#endif
return Steinberg_kResultOk;
}
@ -738,6 +748,10 @@ static void processParams(pluginInstance *p, struct Steinberg_Vst_ProcessData *d
static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst_ProcessData* data) {
TRACE("plugin IAudioProcessor process\n");
#ifdef PARAM_OUT_CPU_INDEX
const unsigned long long processTimeStart = fatica_time_process();
#endif
#if defined(__aarch64__)
uint64_t fpcr;
__asm__ __volatile__ ("mrs %0, fpcr" : "=r"(fpcr));
@ -813,7 +827,13 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
for (Steinberg_int32 i = 0; i < DATA_PRODUCT_PARAMETERS_N; i++) {
if (!(parameterInfo[i].flags & Steinberg_Vst_ParameterInfo_ParameterFlags_kIsReadOnly))
continue;
float v = plugin_get_parameter(&p->p, parameterData[i].index);
float v;
# ifdef PARAM_OUT_CPU_INDEX
if (i == PARAM_OUT_CPU_INDEX)
v = p->cpu_meter;
else
# endif
v = plugin_get_parameter(&p->p, parameterData[i].index);
if (v == p->parameters[i])
continue;
p->parameters[i] = v;
@ -837,6 +857,13 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
_MM_SET_DENORMALS_ZERO_MODE(denormals_zero_mode);
#endif
#ifdef PARAM_OUT_CPU_INDEX
const unsigned long long processTimeEnd = fatica_time_process();
const unsigned long long processTime100n = processTimeEnd - processTimeStart;
const double processTimeS = ((double) processTime100n) * 1.0e-7;
p->cpu_meter = p->cpu_meter * 0.9f + ((float) (processTimeS * p->sampleRate)) * 0.1f;
#endif
return Steinberg_kResultOk;
}

1
test/run.sh
View File

@ -3,6 +3,7 @@
dir=`dirname $0`
$dir/../tibia $dir/product.json,$dir/company.json,$dir/vst3.json $dir/../templates/vst3 $dir/../out/vst3
$dir/../tibia $dir/product.json,$dir/company.json,$dir/vst3.json,$dir/vst3-make.json $dir/../templates/vst3-make $dir/../out/vst3
cp $dir/../templates/common/* $dir/../out/vst3/src/
cp $dir/plugin.h $dir/plugin_ui.h $dir/../out/vst3/src
$dir/../tibia $dir/product.json,$dir/company.json,$dir/lv2.json $dir/../templates/lv2 $dir/../out/lv2