diff options
Diffstat (limited to 'src/ratio.c')
| -rw-r--r-- | src/ratio.c | 148 |
1 files changed, 71 insertions, 77 deletions
diff --git a/src/ratio.c b/src/ratio.c index 170a5a5..4659f4f 100644 --- a/src/ratio.c +++ b/src/ratio.c @@ -18,24 +18,18 @@ */ #include <stdlib.h> -#include "lv2/lv2plug.in/ns/ext/morph/morph.h" #include "lv2/lv2plug.in/ns/lv2core/lv2.h" #include "math_func.h" #include "common.h" -#include "uris.h" #define RATIO_NUMERATOR 0 #define RATIO_DENOMINATOR 1 #define RATIO_OUTPUT 2 typedef struct { - float* numerator; - float* denominator; - float* output; - uint32_t numerator_is_cv; - uint32_t denominator_is_cv; - uint32_t output_is_cv; - URIs uris; + float* numerator; + float* denominator; + float* output; } Ratio; static void @@ -64,51 +58,6 @@ connect_port(LV2_Handle instance, } } -static LV2_Morph_Status -morph_port(LV2_Handle instance, - uint32_t port, - LV2_URID type, - const LV2_Morph_Property*const* properties) -{ - Ratio* plugin = (Ratio*)instance; - - if (type != plugin->uris.lv2_ControlPort && - type != plugin->uris.lv2_CVPort) { - return LV2_MORPH_ERR_BAD_TYPE; - } - - switch (port) { - case RATIO_NUMERATOR: - plugin->numerator_is_cv = (type == plugin->uris.lv2_CVPort); - break; - case RATIO_DENOMINATOR: - plugin->denominator_is_cv = (type == plugin->uris.lv2_CVPort); - break; - default: - return LV2_MORPH_ERR_BAD_PORT; - } - - plugin->output_is_cv = plugin->numerator_is_cv || plugin->denominator_is_cv; - return LV2_MORPH_SUCCESS; -} - -static LV2_URID -port_type(LV2_Handle instance, - uint32_t port, - LV2_Morph_Property*const* properties) -{ - Ratio* plugin = (Ratio*)instance; - - switch (port) { - case RATIO_OUTPUT: - return (plugin->output_is_cv - ? plugin->uris.lv2_CVPort - : plugin->uris.lv2_ControlPort); - default: - return 0; - } -} - static LV2_Handle instantiate(const LV2_Descriptor* descriptor, double sample_rate, @@ -117,18 +66,12 @@ instantiate(const LV2_Descriptor* descriptor, { Ratio* plugin = (Ratio*)malloc(sizeof(Ratio)); - plugin->numerator_is_cv = 0; - plugin->denominator_is_cv = 0; - plugin->output_is_cv = 0; - - map_uris(&plugin->uris, features); - return (LV2_Handle)plugin; } static void -run(LV2_Handle instance, - uint32_t sample_count) +runRatio_nada_oa(LV2_Handle instance, + uint32_t sample_count) { Ratio* plugin = (Ratio*)instance; @@ -141,13 +84,9 @@ run(LV2_Handle instance, /* Output (array of floats of length sample_count) */ float* output = plugin->output; - if (!plugin->output_is_cv) { /* TODO: Avoid this branch */ - sample_count = 1; - } - for (uint32_t s = 0; s < sample_count; ++s) { - const float n = numerator[s * plugin->numerator_is_cv]; - float d = denominator[s * plugin->denominator_is_cv]; + const float n = numerator[s]; + float d = denominator[s]; d = COPYSIGNF(f_max(FABSF(d), 1e-16f), d); @@ -155,25 +94,80 @@ run(LV2_Handle instance, } } -static const void* -extension_data(const char* uri) +static void +runRatio_nadc_oa(LV2_Handle instance, + uint32_t sample_count) +{ + Ratio* plugin = (Ratio*)instance; + + /* Numerator (array of floats of length sample_count) */ + const float* numerator = plugin->numerator; + + /* Denominator (float value) */ + float denominator = *(plugin->denominator); + + /* Output (array of floats of length sample_count) */ + float* output = plugin->output; + + denominator = COPYSIGNF(f_max(FABSF(denominator), 1e-16f), denominator); + + for (uint32_t s = 0; s < sample_count; ++s) { + output[s] = numerator[s] / denominator; + } +} + +static void +runRatio_ncda_oa(LV2_Handle instance, + uint32_t sample_count) { - static const LV2_Morph_Interface morph = { morph_port, port_type }; - if (!strcmp(uri, LV2_MORPH__interface)) { - return &morph; + Ratio* plugin = (Ratio*)instance; + + /* Numerator (float value) */ + const float numerator = *(plugin->numerator); + + /* Denominator (array of floats of length sample_count) */ + const float* denominator = plugin->denominator; + + /* Output (array of floats of length sample_count) */ + float* output = plugin->output; + + for (uint32_t s = 0; s < sample_count; ++s) { + float d = denominator[s]; + d = COPYSIGNF(f_max(FABSF(d), 1e-16f), d); + + output[s] = numerator / d; } - return NULL; +} + +static void +runRatio_ncdc_oc(LV2_Handle instance, + uint32_t sample_count) +{ + Ratio* plugin = (Ratio*)instance; + + /* Numerator (float value) */ + const float numerator = *(plugin->numerator); + + /* Denominator (float value) */ + float denominator = *(plugin->denominator); + + /* Output Frequency (pointer to float value) */ + float* output = plugin->output; + + denominator = COPYSIGNF(f_max(FABSF(denominator), 1e-16f), denominator); + + output[0] = numerator / denominator; } static const LV2_Descriptor descriptor = { - "http://drobilla.net/plugins/blop/ratio", + "http://drobilla.net/plugins/blip/ratio", instantiate, connect_port, NULL, - run, + runRatio_nada_oa, NULL, cleanup, - extension_data, + NULL, }; LV2_SYMBOL_EXPORT const LV2_Descriptor* |