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simplied state sync in lv2 + implemented it in vst3

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This commit is contained in:
Stefano D'Angelo 2025-01-21 07:47:45 +01:00
parent 5663b4389c
commit efd6033c4b
2 changed files with 45 additions and 18 deletions
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30
templates/lv2/src/lv2.c
View File

@ -331,6 +331,7 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
#if DATA_PRODUCT_CONTROL_INPUTS_N > 0 #if DATA_PRODUCT_CONTROL_INPUTS_N > 0
# ifdef DATA_STATE_DSP_CUSTOM # ifdef DATA_STATE_DSP_CUSTOM
char do_set;
if (!atomic_flag_test_and_set(&i->sync_lock_flag)) { if (!atomic_flag_test_and_set(&i->sync_lock_flag)) {
if (!i->synced) { if (!i->synced) {
if (i->loaded) { if (i->loaded) {
@ -349,28 +350,23 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
i->synced = 1; i->synced = 1;
i->loaded = 0; i->loaded = 0;
atomic_flag_clear(&i->sync_lock_flag); atomic_flag_clear(&i->sync_lock_flag);
do_set = 1;
} else
do_set = 0;
# endif # endif
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) { for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
if (i->c[j] == NULL) if (i->c[j] == NULL)
continue; continue;
float v = adjust_param(j, *i->c[j]); float v = adjust_param(j, *i->c[j]);
if (v != i->params[j]) { if (v != i->params[j]) {
i->params[j] = v; i->params[j] = v;
plugin_set_parameter(&i->p, param_data[j].index, v);
}
}
# ifdef DATA_STATE_DSP_CUSTOM # ifdef DATA_STATE_DSP_CUSTOM
} else { if (do_set)
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) { # endif
if (i->c[j] == NULL) plugin_set_parameter(&i->p, param_data[j].index, v);
continue;
float v = adjust_param(j, *i->c[j]);
if (v != i->params[j])
i->params[j] = v;
} }
} }
# endif
#endif #endif
#if DATA_PRODUCT_MIDI_INPUTS_N > 0 #if DATA_PRODUCT_MIDI_INPUTS_N > 0

33
templates/vst3/src/vst3.c
View File

@ -669,6 +669,7 @@ static Steinberg_tresult pluginSetState(void* thisInterface, struct Steinberg_IB
}; };
int err = plugin_state_load(&cbs, data, length); int err = plugin_state_load(&cbs, data, length);
#else #else
// we need to provide a default implementation because of certain hosts (e.g. Ardour)
int err = 0; int err = 0;
if (length != DATA_PRODUCT_PARAMETERS_IN_N * 4) { if (length != DATA_PRODUCT_PARAMETERS_IN_N * 4) {
if (data) if (data)
@ -723,6 +724,7 @@ static Steinberg_tresult pluginGetState(void* thisInterface, struct Steinberg_IB
}; };
int err = plugin_state_save(&p->p, &cbs); int err = plugin_state_save(&p->p, &cbs);
#else #else
// we need to provide a default implementation because of certain hosts (e.g. Ardour)
int err = 0; int err = 0;
# if DATA_PRODUCT_PARAMETERS_IN_N > 0 # if DATA_PRODUCT_PARAMETERS_IN_N > 0
size_t length = DATA_PRODUCT_PARAMETERS_IN_N * 4; size_t length = DATA_PRODUCT_PARAMETERS_IN_N * 4;
@ -865,6 +867,31 @@ static Steinberg_tresult pluginSetProcessing(void* thisInterface, Steinberg_TBoo
static void processParams(pluginInstance *p, struct Steinberg_Vst_ProcessData *data, char before) { static void processParams(pluginInstance *p, struct Steinberg_Vst_ProcessData *data, char before) {
#if DATA_PRODUCT_PARAMETERS_IN_N + DATA_PRODUCT_BUSES_MIDI_INPUT_N > 0 #if DATA_PRODUCT_PARAMETERS_IN_N + DATA_PRODUCT_BUSES_MIDI_INPUT_N > 0
# ifdef DATA_STATE_DSP_CUSTOM
char do_set;
if (!atomic_flag_test_and_set(&p->syncLockFlag)) {
if (!p->synced) {
if (p->loaded) {
for (uint32_t j = 0; j < DATA_PRODUCT_PARAMETERS_IN_N; j++) {
p->parametersIn[j] = p->parametersInSync[j];
plugin_set_parameter(&p->p, parameterInData[j].index, p->parametersIn[j]);
}
} else {
for (uint32_t j = 0; j < DATA_PRODUCT_PARAMETERS_IN_N; j++)
if (p->parametersIn[j] != p->parametersInSync[j]) {
p->parametersInSync[j] = p->parametersIn[j];
plugin_set_parameter(&p->p, parameterInData[j].index, p->parametersIn[j]);
}
}
}
p->synced = 1;
p->loaded = 0;
atomic_flag_clear(&p->syncLockFlag);
do_set = 1;
} else
do_set = 0;
# endif
if (data->inputParameterChanges == NULL) if (data->inputParameterChanges == NULL)
return; return;
Steinberg_int32 n = data->inputParameterChanges->lpVtbl->getParameterCount(data->inputParameterChanges); Steinberg_int32 n = data->inputParameterChanges->lpVtbl->getParameterCount(data->inputParameterChanges);
@ -924,7 +951,10 @@ static void processParams(pluginInstance *p, struct Steinberg_Vst_ProcessData *d
v = parameterAdjust(parameterInData + ii, parameterMap(parameterInData + ii, v)); v = parameterAdjust(parameterInData + ii, parameterMap(parameterInData + ii, v));
if (v != p->parametersIn[ii]) { if (v != p->parametersIn[ii]) {
p->parametersIn[ii] = v; p->parametersIn[ii] = v;
plugin_set_parameter(&p->p, parameterInData[ii].index, v); # ifdef DATA_STATE_DSP_CUSTOM
if (do_set)
# endif
plugin_set_parameter(&p->p, parameterInData[ii].index, v);
} }
# endif # endif
} }
@ -1798,6 +1828,7 @@ static Steinberg_tresult controllerSetComponentState(void* thisInterface, struct
}; };
int err = plugin_state_load(&cbs, data, length); int err = plugin_state_load(&cbs, data, length);
#else #else
// we need to provide a default implementation because of certain hosts (e.g. Reaper)
int err = 0; int err = 0;
# if DATA_PRODUCT_PARAMETERS_IN_N > 0 # if DATA_PRODUCT_PARAMETERS_IN_N > 0
for (size_t i = 0; i < DATA_PRODUCT_PARAMETERS_IN_N; i++) { for (size_t i = 0; i < DATA_PRODUCT_PARAMETERS_IN_N; i++) {