diff options
| -rw-r--r-- | plugins/LV2/src/Acceleration/Acceleration.cpp | 155 | ||||
| -rw-r--r-- | plugins/LV2/src/Acceleration/Acceleration.h | 21 | ||||
| -rw-r--r-- | plugins/LV2/src/Acceleration/lv2wrapper.cpp | 70 |
3 files changed, 131 insertions, 115 deletions
diff --git a/plugins/LV2/src/Acceleration/Acceleration.cpp b/plugins/LV2/src/Acceleration/Acceleration.cpp index 9be24cd..dcc8734 100644 --- a/plugins/LV2/src/Acceleration/Acceleration.cpp +++ b/plugins/LV2/src/Acceleration/Acceleration.cpp @@ -1,135 +1,60 @@ -#include "lv2/core/lv2.h" - +#include "Acceleration.h" #include <iostream> namespace { -const char * ACCELERATION_URI = "https://www.airwindows.com/acceleration"; - -enum PortIndex { - ACCELERATION_LIMIT, - ACCELERATION_DRYWET, - ACCELERATION_IN_L, - ACCELERATION_IN_R, - ACCELERATION_OUT_L, - ACCELERATION_OUT_R, +enum class PortIndex : uint32_t { + LIMIT, + DRYWET, + IN_L, + IN_R, + OUT_L, + OUT_R, }; -class Acceleration { -public: - Acceleration(double rate) - : rate(rate) - { - } - - void connect_port(uint32_t port, void * data) - { - switch (port) { - case ACCELERATION_LIMIT: - limit = (const float *) data; - break; - - case ACCELERATION_DRYWET: - drywet = (const float *) data; - break; - - case ACCELERATION_IN_L: - in[0] = (const float *) data; - break; - - case ACCELERATION_IN_R: - in[1] = (const float *) data; - break; - - case ACCELERATION_OUT_L: - out[0] = (float *) data; - break; - - case ACCELERATION_OUT_R: - out[1] = (float *) data; - break; - - default: - std::cerr << "Invalid port " << port << ": ignoring." << std::endl; - } - } - - void run(uint32_t num_samples) - { - for (auto i = 0u; i < num_samples; i++) { - *out[0]++ = *in[0]++ * *limit; - *out[1]++ = *in[1]++ * *limit; - } - } - -private: - double rate; - const float * limit; - const float * drywet; - const float * in[2]; - float * out[2]; -}; - -LV2_Handle instantiate( - const LV2_Descriptor * d, - double rate, - const char * path, - const LV2_Feature * const * features) -{ - return new Acceleration{rate}; -} +} // anon namespace -void connect_port( - LV2_Handle instance, - uint32_t port, - void * data) +Acceleration::Acceleration(double rate) + : rate(rate) { - auto accel = static_cast<Acceleration *>(instance); - accel->connect_port(port, data); } -void activate(LV2_Handle instance) +void Acceleration::connect_port(uint32_t port, void * data) { -} + switch (static_cast<PortIndex>(port)) { + case PortIndex::LIMIT: + limit = (const float *) data; + break; -void run(LV2_Handle instance, uint32_t num_samples) -{ - auto accel = static_cast<Acceleration *>(instance); - accel->run(num_samples); -} + case PortIndex::DRYWET: + drywet = (const float *) data; + break; -void deactivate(LV2_Handle) -{ -} + case PortIndex::IN_L: + in[0] = (const float *) data; + break; -void destroy(LV2_Handle instance) -{ - delete static_cast<Acceleration *>(instance); -} + case PortIndex::IN_R: + in[1] = (const float *) data; + break; -const void * extension_data(const char * uri) -{ - return nullptr; -} + case PortIndex::OUT_L: + out[0] = (float *) data; + break; -const LV2_Descriptor descriptor = { - ACCELERATION_URI, - instantiate, - connect_port, - activate, - run, - deactivate, - destroy, - extension_data -}; + case PortIndex::OUT_R: + out[1] = (float *) data; + break; -} // anon namespace + default: + std::cerr << "Invalid port " << port << ": ignoring." << std::endl; + } +} -LV2_SYMBOL_EXPORT -const LV2_Descriptor * lv2_descriptor(uint32_t idx) +void Acceleration::run(uint32_t num_samples) { - if (idx == 0) - return &descriptor; - - return nullptr; + for (auto i = 0u; i < num_samples; i++) { + *out[0]++ = *in[0]++ * *limit; + *out[1]++ = *in[1]++ * *limit; + } } diff --git a/plugins/LV2/src/Acceleration/Acceleration.h b/plugins/LV2/src/Acceleration/Acceleration.h new file mode 100644 index 0000000..c277cb9 --- /dev/null +++ b/plugins/LV2/src/Acceleration/Acceleration.h @@ -0,0 +1,21 @@ +#ifndef __Acceleration_h +#define __Acceleration_h + +#include <cstdint> + +class Acceleration { +public: + Acceleration(double rate); + + void connect_port(uint32_t port, void * data); + void run(uint32_t num_samples); + +private: + double rate; + const float * limit; + const float * drywet; + const float * in[2]; + float * out[2]; +}; + +#endif diff --git a/plugins/LV2/src/Acceleration/lv2wrapper.cpp b/plugins/LV2/src/Acceleration/lv2wrapper.cpp new file mode 100644 index 0000000..3b1c04c --- /dev/null +++ b/plugins/LV2/src/Acceleration/lv2wrapper.cpp @@ -0,0 +1,70 @@ +#include "lv2/core/lv2.h" +#include "Acceleration.h" + +namespace { + +const char * ACCELERATION_URI = "https://www.airwindows.com/acceleration"; + +LV2_Handle instantiate( + const LV2_Descriptor * d, + double rate, + const char * path, + const LV2_Feature * const * features) +{ + return new Acceleration{rate}; +} + +void connect_port( + LV2_Handle instance, + uint32_t port, + void * data) +{ + auto accel = static_cast<Acceleration *>(instance); + accel->connect_port(port, data); +} + +void activate(LV2_Handle instance) +{ +} + +void run(LV2_Handle instance, uint32_t num_samples) +{ + auto accel = static_cast<Acceleration *>(instance); + accel->run(num_samples); +} + +void deactivate(LV2_Handle) +{ +} + +void destroy(LV2_Handle instance) +{ + delete static_cast<Acceleration *>(instance); +} + +const void * extension_data(const char * uri) +{ + return nullptr; +} + +const LV2_Descriptor descriptor = { + ACCELERATION_URI, + instantiate, + connect_port, + activate, + run, + deactivate, + destroy, + extension_data +}; + +} // anon namespace + +LV2_SYMBOL_EXPORT +const LV2_Descriptor * lv2_descriptor(uint32_t idx) +{ + if (idx == 0) + return &descriptor; + + return nullptr; +} |