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lv2 some optimization if no ctrl ins or outs are present

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This commit is contained in:
Stefano D'Angelo 2024-05-18 15:30:35 +02:00
parent 94ab135050
commit 00cb0c37d8
1 changed files with 25 additions and 8 deletions
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29
templates/lv2/src/lv2.c
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@ -56,7 +56,7 @@ static inline float clampf(float x, float m, float M) {
return x < m ? m : (x > M ? M : x);
}
static float straighten_param(size_t index, float value) {
static float adjust_param(size_t index, float value) {
if (param_data[index].flags & DATA_PARAM_BYPASS)
value = value > 0.f ? 0.f : 1.f;
else if (param_data[index].flags & DATA_PARAM_TOGGLED)
@ -224,7 +224,7 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
if (i->c[j] == NULL)
continue;
float v = straighten_param(j, *i->c[j]);
float v = adjust_param(j, *i->c[j]);
if (v != i->params[j]) {
i->params[j] = v;
plugin_set_parameter(&i->p, param_data[j].index, v);
@ -303,8 +303,10 @@ LV2_SYMBOL_EXPORT const LV2_Descriptor * lv2_descriptor(uint32_t index) {
#ifdef PLUGIN_UI
typedef struct {
plugin_ui * ui;
# if DATA_PRODUCT_CONTROL_INPUTS_N > 0
LV2UI_Write_Function write;
LV2UI_Controller controller;
# endif
} ui_instance;
# define CONTROL_INPUT_INDEX_OFFSET ( \
@ -314,12 +316,14 @@ typedef struct {
+ DATA_PRODUCT_MIDI_OUTPUTS_N )
# define CONTROL_OUTPUT_INDEX_OFFSET (CONTROL_INPUT_INDEX_OFFSET + DATA_PRODUCT_CONTROL_INPUTS_N)
# if DATA_PRODUCT_CONTROL_INPUTS_N > 0
static void ui_set_parameter_cb(void *handle, size_t index, float value) {
ui_instance *instance = (ui_instance *)handle;
index = index_to_param[index];
value = straighten_param(index - CONTROL_INPUT_INDEX_OFFSET, value);
value = adjust_param(index - CONTROL_INPUT_INDEX_OFFSET, value);
instance->write(instance->controller, index, sizeof(float), 0, &value);
}
# endif
static LV2UI_Handle ui_instantiate(const LV2UI_Descriptor * descriptor, const char * plugin_uri, const char * bundle_path, LV2UI_Write_Function write_function, LV2UI_Controller controller, LV2UI_Widget * widget, const LV2_Feature * const * features) {
(void)descriptor;
@ -340,13 +344,20 @@ static LV2UI_Handle ui_instantiate(const LV2UI_Descriptor * descriptor, const ch
return NULL;
}
# if DATA_PRODUCT_CONTROL_INPUTS_N > 0
instance->write = write_function;
instance->controller = controller;
plugin_ui_callbacks cbs = {
/* .handle = */ (void *)instance,
/* .set_parameter = */ ui_set_parameter_cb
};
instance->write = write_function;
instance->controller = controller;
instance->ui = plugin_ui_create(has_parent, parent, &cbs);
# else
(void)write_function;
(void)controller;
instance->ui = plugin_ui_create(has_parent, parent, NULL);
# endif
if (instance->ui == NULL) {
free(instance);
*widget = NULL;
@ -363,6 +374,7 @@ static void ui_cleanup(LV2UI_Handle handle) {
free(instance);
}
# if DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N > 0
static void ui_port_event(LV2UI_Handle handle, uint32_t port_index, uint32_t buffer_size, uint32_t format, const void * buffer) {
(void)buffer_size;
(void)format;
@ -370,10 +382,11 @@ static void ui_port_event(LV2UI_Handle handle, uint32_t port_index, uint32_t buf
ui_instance *instance = (ui_instance *)handle;
if (port_index < CONTROL_OUTPUT_INDEX_OFFSET) {
size_t index = port_index - CONTROL_INPUT_INDEX_OFFSET;
plugin_ui_set_parameter(instance->ui, param_data[index].index, straighten_param(index, *((float *)buffer)));
plugin_ui_set_parameter(instance->ui, param_data[index].index, adjust_param(index, *((float *)buffer)));
} else
plugin_ui_set_parameter(instance->ui, param_out_index[port_index - CONTROL_OUTPUT_INDEX_OFFSET], *((float *)buffer));
}
# endif
static int ui_idle(LV2UI_Handle handle) {
ui_instance *instance = (ui_instance *)handle;
@ -392,7 +405,11 @@ static const LV2UI_Descriptor ui_descriptor = {
/* .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,
# else
/* .port_event = */ NULL,
# endif
/* .extension_data = */ ui_extension_data
};