diff options
Diffstat (limited to 'src/control.h')
| -rw-r--r-- | src/control.h | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/src/control.h b/src/control.h index 037ef31..e638d10 100644 --- a/src/control.h +++ b/src/control.h @@ -4,13 +4,14 @@ #ifndef JALV_CONTROL_H #define JALV_CONTROL_H -#include "jalv_internal.h" #include "nodes.h" #include "lilv/lilv.h" #include "lv2/atom/forge.h" #include "lv2/urid/urid.h" +#include <stdbool.h> +#include <stddef.h> #include <stdint.h> #ifdef __cplusplus @@ -19,10 +20,62 @@ extern "C" { // Plugin control utilities +/// Type of plugin control +typedef enum { + PORT, ///< Control port + PROPERTY ///< Property (set via atom message) +} ControlType; + +// "Interesting" value in a control's value range +typedef struct { + float value; + char* label; +} ScalePoint; + +/// Plugin control +typedef struct { + ControlType type; ///< Type of control + LilvNode* node; ///< Port or property + LilvNode* symbol; ///< Symbol + LilvNode* label; ///< Human readable label + LV2_Atom_Forge* forge; ///< Forge (for URIDs) + LV2_URID property; ///< Iff type == PROPERTY + uint32_t index; ///< Iff type == PORT + LilvNode* group; ///< Port/control group, or NULL + void* widget; ///< Control Widget + size_t n_points; ///< Number of scale points + ScalePoint* points; ///< Scale points + LV2_URID value_type; ///< Type of control value + LilvNode* min; ///< Minimum value + LilvNode* max; ///< Maximum value + LilvNode* def; ///< Default value + bool is_toggle; ///< Boolean (0 and 1 only) + bool is_integer; ///< Integer values only + bool is_enumeration; ///< Point values only + bool is_logarithmic; ///< Logarithmic scale + bool is_writable; ///< Writable (input) + bool is_readable; ///< Readable (output) +} ControlID; + +/// Set of plugin controls +typedef struct { + size_t n_controls; + ControlID** controls; +} Controls; + +/// Control change event, sent through ring buffers for UI updates +typedef struct { + uint32_t index; + uint32_t protocol; + uint32_t size; + // Followed immediately by size bytes of data +} ControlChange; + /// Order scale points by value int scale_point_cmp(const ScalePoint* a, const ScalePoint* b); +/// Create a new ID for a control port ControlID* new_port_control(LilvWorld* world, const LilvPlugin* plugin, @@ -32,6 +85,7 @@ new_port_control(LilvWorld* world, const JalvNodes* nodes, LV2_Atom_Forge* forge); +/// Create a new ID for a property-based parameter ControlID* new_property_control(LilvWorld* world, const LilvNode* property, |