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cpu meter support for lv2

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This commit is contained in:
Paolo Marrone 2024-07-03 17:06:50 +02:00
parent 9843201ef5
commit 5b5f0618d1
6 changed files with 175 additions and 51 deletions
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8
notes
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@ -162,6 +162,14 @@ product {
web: not (yet) used
cmd: not (yet) used
android: not (yet) used
isCpumeter:
parameter is output cpu meter? boolean
VST3: TODO
LV2: data.h, lv2.c
web: TODO
cmd: TODO
android: TODO
ios: TODO
defaultValue:
default value, number, mapped, required for non-bypass
VST3: ParameterInfo defaultNormalizedValue, controller initialize

63
templates/common/fatica.h Normal file
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@ -0,0 +1,63 @@
#ifndef FATICA_H
#define FATICA_H
// API
// unit = 100-nanosecond starting from somewhen
unsigned long long fatica_time_process(void);
// Implementation
#if defined(_WIN32) || defined(__CYGWIN__)
#include <windows.h>
static ULONGLONG filetime_to_ull(const FILETIME* ft) {
return (((ULONGLONG)ft->dwHighDateTime) << 32) + ft->dwLowDateTime;
}
unsigned long long fatica_time_process(void) {
FILETIME creationTime, exitTime, kernelTime, userTime;
const DWORD threadId = GetCurrentThreadId();
const HANDLE hThread = OpenThread(THREAD_QUERY_INFORMATION, FALSE, threadId);
if (!GetThreadTimes(hThread, &creationTime, &exitTime, &kernelTime, &userTime))
return 0ull;
CloseHandle(hThread);
return (unsigned long long) (filetime_to_ull(&kernelTime) + filetime_to_ull(&userTime));
}
#elif defined(__linux__)
#if __STDC_VERSION__ >= 199901L
# define _XOPEN_SOURCE 600
#else
# define _XOPEN_SOURCE 500
#endif
#include <time.h>
#include <unistd.h>
unsigned long long fatica_time_process(void) {
struct timespec ts;
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) != 0)
return 0ull;
return (unsigned long long) (ts.tv_sec * 1e7 + ts.tv_nsec / 1e2);
}
#elif defined(__APPLE__)
#include <unistd.h>
#include <mach/mach.h>
#include <mach/thread_act.h>
unsigned long long fatica_time_process(void) {
thread_t thread = mach_thread_self();
thread_basic_info_data_t info;
mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT;
if (thread_info(thread, THREAD_BASIC_INFO, (thread_info_t) &info, &count) != KERN_SUCCESS)
return 0ull;
return (info.user_time.seconds + info.system_time.seconds) * 1000
+ (info.user_time.microseconds + info.system_time.microseconds) / 1000;
}
#endif
#endif // FATICA_H

3
templates/lv2/src/data.h
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@ -63,6 +63,9 @@ static struct {
static uint32_t param_out_index[DATA_PRODUCT_CONTROL_OUTPUTS_N] = {
{{~it.tibia.lv2.ports.filter(x => x.type == "control" && x.direction == "output") :p}}{{=p.paramIndex}}, {{~}}
};
{{?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
{{?it.lv2.ui}}

133
templates/lv2/src/lv2.c
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@ -22,17 +22,17 @@
#include <stdint.h>
typedef struct {
void * handle;
const char * format;
const char * (*get_bindir)(void *handle);
const char * (*get_datadir)(void *handle);
void *handle;
const char *format;
const char *(*get_bindir)(void *handle);
const char *(*get_datadir)(void *handle);
} plugin_callbacks;
typedef struct {
void * handle;
const char * format;
const char * (*get_bindir)(void *handle);
const char * (*get_datadir)(void *handle);
void *handle;
const char *format;
const char *(*get_bindir)(void *handle);
const char *(*get_datadir)(void *handle);
void (*set_parameter)(void *handle, size_t index, float value);
} plugin_ui_callbacks;
@ -66,6 +66,10 @@ typedef struct {
# include <pmmintrin.h>
#endif
#ifdef PARAM_OUT_CPU_INDEX
# include "fatica.h"
#endif
static inline float clampf(float x, float m, float M) {
return x < m ? m : (x > M ? M : x);
}
@ -81,31 +85,35 @@ static float adjust_param(size_t index, float value) {
}
typedef struct {
plugin p;
plugin p;
#if DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N > 0
const float * x[DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N];
const float *x[DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N];
#endif
#if DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N > 0
float * y[DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N];
float *y[DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N];
#endif
#if DATA_PRODUCT_MIDI_INPUTS_N > 0
const LV2_Atom_Sequence * x_midi[DATA_PRODUCT_MIDI_INPUTS_N];
const LV2_Atom_Sequence *x_midi[DATA_PRODUCT_MIDI_INPUTS_N];
#endif
#if DATA_PRODUCT_MIDI_OUTPUTS_N > 0
LV2_Atom_Sequence * y_midi[DATA_PRODUCT_MIDI_OUTPUTS_N];
LV2_Atom_Sequence *y_midi[DATA_PRODUCT_MIDI_OUTPUTS_N];
#endif
#if (DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N) > 0
float * c[DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N];
float * c[DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N];
#endif
#if DATA_PRODUCT_CONTROL_INPUTS_N > 0
float params[DATA_PRODUCT_CONTROL_INPUTS_N];
float params[DATA_PRODUCT_CONTROL_INPUTS_N];
#endif
void * mem;
char * bundle_path;
LV2_Log_Logger logger;
LV2_URID_Map * map;
void *mem;
char *bundle_path;
LV2_Log_Logger logger;
LV2_URID_Map *map;
#if DATA_PRODUCT_MIDI_INPUTS_N + DATA_PRODUCT_MIDI_OUTPUTS_N > 0
LV2_URID uri_midi_MidiEvent;
LV2_URID uri_midi_MidiEvent;
#endif
#ifdef PARAM_OUT_CPU_INDEX
float cpu_meter;
float sample_rate;
#endif
} plugin_instance;
@ -128,8 +136,8 @@ static LV2_Handle instantiate(const struct LV2_Descriptor * descriptor, double s
// from https://lv2plug.in/book
const char* missing = lv2_features_query(features,
LV2_LOG__log, &instance->logger.log, false,
LV2_URID__map, &instance->map, true,
LV2_LOG__log, &instance->logger.log, false,
LV2_URID__map, &instance->map, true,
NULL);
lv2_log_logger_set_map(&instance->logger, instance->map);
@ -143,10 +151,10 @@ static LV2_Handle instantiate(const struct LV2_Descriptor * descriptor, double s
#endif
plugin_callbacks cbs = {
/* .handle = */ (void *)instance,
/* .format = */ "lv2",
/* .get_bindir = */ get_bundle_path_cb,
/* .get_datadir = */ get_bundle_path_cb
/* .handle = */ (void *)instance,
/* .format = */ "lv2",
/* .get_bindir = */ get_bundle_path_cb,
/* .get_datadir = */ get_bundle_path_cb
};
plugin_init(&instance->p, &cbs);
@ -182,6 +190,10 @@ static LV2_Handle instantiate(const struct LV2_Descriptor * descriptor, double s
for (uint32_t i = 0; i < DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N; i++)
instance->c[i] = NULL;
#endif
#ifdef PARAM_OUT_CPU_INDEX
instance->cpu_meter = 0.f;
instance->sample_rate = sample_rate;
#endif
return instance;
@ -244,6 +256,10 @@ static void activate(LV2_Handle instance) {
static void run(LV2_Handle instance, uint32_t sample_count) {
plugin_instance * i = (plugin_instance *)instance;
#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));
@ -298,8 +314,15 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
#if DATA_PRODUCT_CONTROL_OUTPUTS_N > 0
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_OUTPUTS_N; j++) {
uint32_t k = param_out_index[j];
if (i->c[k] != NULL)
if (i->c[k] != NULL) {
# ifdef PARAM_OUT_CPU_INDEX
if (k == PARAM_OUT_CPU_INDEX) {
*i->c[k] = i->cpu_meter;
continue;
}
# endif
*i->c[k] = plugin_get_parameter(&i->p, k);
}
}
#else
(void)plugin_get_parameter;
@ -311,6 +334,14 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
_MM_SET_FLUSH_ZERO_MODE(flush_zero_mode);
_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;
i->cpu_meter = i->cpu_meter * 0.9f + ((float) (processTimeS * i->sample_rate)) * 0.1f;
#endif
}
static void cleanup(LV2_Handle instance) {
@ -323,14 +354,14 @@ static void cleanup(LV2_Handle instance) {
}
static const LV2_Descriptor descriptor = {
/* .URI = */ DATA_LV2_URI,
/* .instantiate = */ instantiate,
/* .connect_port = */ connect_port,
/* .activate = */ activate,
/* .run = */ run,
/* .deactivate = */ NULL,
/* .cleanup = */ cleanup,
/* .extension_data = */ NULL
/* .URI = */ DATA_LV2_URI,
/* .instantiate = */ instantiate,
/* .connect_port = */ connect_port,
/* .activate = */ activate,
/* .run = */ run,
/* .deactivate = */ NULL,
/* .cleanup = */ cleanup,
/* .extension_data = */ NULL
};
LV2_SYMBOL_EXPORT const LV2_Descriptor * lv2_descriptor(uint32_t index) {
@ -339,11 +370,11 @@ LV2_SYMBOL_EXPORT const LV2_Descriptor * lv2_descriptor(uint32_t index) {
#ifdef DATA_UI
typedef struct {
plugin_ui * ui;
char * bundle_path;
plugin_ui *ui;
char *bundle_path;
# if DATA_PRODUCT_CONTROL_INPUTS_N > 0
LV2UI_Write_Function write;
LV2UI_Controller controller;
LV2UI_Write_Function write;
LV2UI_Controller controller;
# endif
} ui_instance;
@ -390,14 +421,14 @@ static LV2UI_Handle ui_instantiate(const LV2UI_Descriptor * descriptor, const ch
goto err_bundle_path;
plugin_ui_callbacks cbs = {
/* .handle = */ (void *)instance,
/* .format = */ "lv2",
/* .get_bindir = */ ui_get_bundle_path_cb,
/* .get_datadir = */ ui_get_bundle_path_cb,
/* .handle = */ (void *)instance,
/* .format. = */ "lv2",
/* .get_bindir. = */ ui_get_bundle_path_cb,
/* .get_datadir = */ ui_get_bundle_path_cb,
# if DATA_PRODUCT_CONTROL_INPUTS_N > 0
/* .set_parameter = */ ui_set_parameter_cb
/* .set_parameter = */ ui_set_parameter_cb
# else
/* .set_parameter = */ NULL
/* .set_parameter = */ NULL
# endif
};
# if DATA_PRODUCT_CONTROL_INPUTS_N > 0
@ -458,15 +489,15 @@ static const void * ui_extension_data(const char * uri) {
}
static const LV2UI_Descriptor ui_descriptor = {
/* .URI = */ DATA_LV2_UI_URI,
/* .instantiate = */ ui_instantiate,
/* .cleanup = */ ui_cleanup,
/* .URI = */ DATA_LV2_UI_URI,
/* .instantiate = */ ui_instantiate,
/* .cleanup = */ ui_cleanup,
# if DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N > 0
/* .port_event = */ ui_port_event,
/* .port_event = */ ui_port_event,
# else
/* .port_event = */ NULL,
/* .port_event = */ NULL,
# endif
/* .extension_data = */ ui_extension_data
/* .extension_data = */ ui_extension_data
};
LV2_SYMBOL_EXPORT const LV2UI_Descriptor * lv2ui_descriptor(uint32_t index) {

18
test/product.json
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@ -132,6 +132,24 @@
"list": false,
"unit": "",
"map": "linear"
},
{
"name": "cpu",
"shortName": "cpu",
"id": "cpu",
"direction": "output",
"isBypass": false,
"isLatency": false,
"isCpumeter": true,
"defaultValue": 0.0,
"minimum": 0.0,
"maximum": 1.0,
"toggled": false,
"optional": false,
"integer": false,
"list": false,
"unit": "%",
"map": "linear"
}
],
"ui": {

1
test/run.sh
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@ -7,6 +7,7 @@ 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
$dir/../tibia $dir/product.json,$dir/company.json,$dir/lv2.json,$dir/lv2-make.json $dir/../templates/lv2-make $dir/../out/lv2
cp $dir/../templates/common/* $dir/../out/lv2/src/
cp $dir/plugin.h $dir/plugin_ui.h $dir/../out/lv2/src
$dir/../tibia $dir/product.json,$dir/company.json $dir/../templates/web $dir/../out/web