From 8b46fd1ff51b29cded517c9c2d166611e8c453fc Mon Sep 17 00:00:00 2001 From: David Robillard Date: Thu, 31 May 2012 06:03:45 +0000 Subject: Blip => Blop. I give up trying to give ports new names. git-svn-id: http://svn.drobilla.net/lad/trunk/plugins/blop.lv2@4484 a436a847-0d15-0410-975c-d299462d15a1 --- src/ratio.c | 148 +++++++++++++++++++++++++++++++----------------------------- 1 file changed, 77 insertions(+), 71 deletions(-) (limited to 'src/ratio.c') diff --git a/src/ratio.c b/src/ratio.c index 4659f4f..170a5a5 100644 --- a/src/ratio.c +++ b/src/ratio.c @@ -18,18 +18,24 @@ */ #include +#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; + float* numerator; + float* denominator; + float* output; + uint32_t numerator_is_cv; + uint32_t denominator_is_cv; + uint32_t output_is_cv; + URIs uris; } Ratio; static void @@ -58,6 +64,51 @@ 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, @@ -66,12 +117,18 @@ 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 -runRatio_nada_oa(LV2_Handle instance, - uint32_t sample_count) +run(LV2_Handle instance, + uint32_t sample_count) { Ratio* plugin = (Ratio*)instance; @@ -84,90 +141,39 @@ runRatio_nada_oa(LV2_Handle instance, /* Output (array of floats of length sample_count) */ float* output = plugin->output; - for (uint32_t s = 0; s < sample_count; ++s) { - const float n = numerator[s]; - float d = denominator[s]; - - d = COPYSIGNF(f_max(FABSF(d), 1e-16f), d); - - output[s] = n / d; + if (!plugin->output_is_cv) { /* TODO: Avoid this branch */ + sample_count = 1; } -} - -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) -{ - Ratio* plugin = (Ratio*)instance; + const float n = numerator[s * plugin->numerator_is_cv]; + float d = denominator[s * plugin->denominator_is_cv]; - /* 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; + output[s] = n / d; } } -static void -runRatio_ncdc_oc(LV2_Handle instance, - uint32_t sample_count) +static const void* +extension_data(const char* uri) { - 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_Morph_Interface morph = { morph_port, port_type }; + if (!strcmp(uri, LV2_MORPH__interface)) { + return &morph; + } + return NULL; } static const LV2_Descriptor descriptor = { - "http://drobilla.net/plugins/blip/ratio", + "http://drobilla.net/plugins/blop/ratio", instantiate, connect_port, NULL, - runRatio_nada_oa, + run, NULL, cleanup, - NULL, + extension_data, }; LV2_SYMBOL_EXPORT const LV2_Descriptor* -- cgit v1.2.1