control-input-port-change-request.h

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/*
  LV2 ControlInputPort change request extension
  Copyright 2020 Filipe Coelho <falktx@falktx.com>
 
  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.
 
  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

 
#ifndef LV2_CONTROL_INPUT_PORT_CHANGE_REQUEST_H
#define LV2_CONTROL_INPUT_PORT_CHANGE_REQUEST_H
 
#include "lv2.h"
 
#define LV2_CONTROL_INPUT_PORT_CHANGE_REQUEST_URI    "http://kx.studio/ns/lv2ext/control-input-port-change-request"
#define LV2_CONTROL_INPUT_PORT_CHANGE_REQUEST_PREFIX LV2_CONTROL_INPUT_PORT_CHANGE_REQUEST_URI "#"
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#else
#include <stdbool.h>
#endif

typedef enum {
        LV2_CONTROL_INPUT_PORT_CHANGE_SUCCESS           = 0,  
        LV2_CONTROL_INPUT_PORT_CHANGE_ERR_UNKNOWN       = 1,  
        LV2_CONTROL_INPUT_PORT_CHANGE_ERR_INVALID_INDEX = 2   
} LV2_ControlInputPort_Change_Status;

typedef void* LV2_ControlInputPort_Change_Request_Handle;

typedef struct _LV2_ControlInputPort_Change_Request {
    LV2_ControlInputPort_Change_Request_Handle handle;

    LV2_ControlInputPort_Change_Status (*request_change)(LV2_ControlInputPort_Change_Request_Handle handle,
                                                         uint32_t index,
                                                         float value);
 
} LV2_ControlInputPort_Change_Request;
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif /* LV2_CONTROL_INPUT_PORT_CHANGE_REQUEST_H */