43 lines
868 B
C
43 lines
868 B
C
#include <math.h>
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typedef struct plugin {
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float gain;
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char bypass;
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} plugin;
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void plugin_init(plugin *instance) {
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instance->gain = 1.f;
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instance->bypass = 0;
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}
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void plugin_fini(plugin *instance) {
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}
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void plugin_set_sample_rate(plugin *instance, float sample_rate) {
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}
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void plugin_reset(plugin *instance) {
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}
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void plugin_set_parameter(plugin *instance, size_t index, float value) {
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switch (index) {
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case 0:
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instance->gain = value;
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break;
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case 1:
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instance->bypass = value >= 0.5f;
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break;
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}
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}
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float plugin_get_parameter(plugin *instance, size_t index) {
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// no output parameters
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return 0.f;
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}
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void plugin_process(plugin *instance, const float **inputs, float **outputs, size_t n_samples) {
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const float g = instance->bypass ? 1.f : powf(10.f, 0.05f * instance->gain);
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for (size_t i = 0; i < n_samples; i++)
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outputs[0][i] = g * inputs[0][i];
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}
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