audio_function.h

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// SPDX-FileCopyrightText: © 2020-2023 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __AUDIO_AUDIO_FUNCTION_H__
#define __AUDIO_AUDIO_FUNCTION_H__
 
#include <stdbool.h>
 
#include <glib/gi18n.h>
 
typedef struct ArrangerSelections ArrangerSelections;
typedef struct Plugin             Plugin;
 
typedef enum AudioFunctionType
{
  AUDIO_FUNCTION_INVERT,
  AUDIO_FUNCTION_NORMALIZE_PEAK,
  AUDIO_FUNCTION_NORMALIZE_RMS,
  AUDIO_FUNCTION_NORMALIZE_LUFS,
  AUDIO_FUNCTION_LINEAR_FADE_IN,
  AUDIO_FUNCTION_LINEAR_FADE_OUT,
  AUDIO_FUNCTION_NUDGE_LEFT,
  AUDIO_FUNCTION_NUDGE_RIGHT,
  AUDIO_FUNCTION_REVERSE,
  AUDIO_FUNCTION_PITCH_SHIFT,
  AUDIO_FUNCTION_COPY_L_TO_R,
 
  AUDIO_FUNCTION_EXT_PROGRAM,
 
  AUDIO_FUNCTION_GUILE_SCRIPT,
 
  AUDIO_FUNCTION_CUSTOM_PLUGIN,
 
  /* reserved */
  AUDIO_FUNCTION_INVALID,
} AudioFunctionType;
 
static const char * audio_function_type_strings[] = {
  N_ ("Invert"),         N_ ("Normalize peak"), N_ ("Normalize RMS"),
  N_ ("Normalize LUFS"), N_ ("Linear fade in"), N_ ("Linear fade out"),
  N_ ("Nudge left"),     N_ ("Nudge right"),    N_ ("Reverse"),
  N_ ("Pitch shift"),    N_ ("Copy L to R"),    N_ ("External program"),
  N_ ("Guile script"),   N_ ("Custom plugin"),  N_ ("Invalid"),
};
 
typedef struct AudioFunctionOpts
{
  double amount;
 
} AudioFunctionOpts;
 
static inline const char *
audio_function_type_to_string (AudioFunctionType type)
{
  return audio_function_type_strings[type];
}
 
char *
audio_function_get_action_target_for_type (AudioFunctionType type);
 
char *
audio_function_get_detailed_action_for_type (
  AudioFunctionType type,
  const char *      base_action);
 
#define audio_function_get_detailed_action_for_type_default(type) \
  audio_function_get_detailed_action_for_type (type, "app.editor-function")
 
const char *
audio_function_get_icon_name_for_type (AudioFunctionType type);
 
static inline const char *
audio_function_get_plugin_uri_for_type (AudioFunctionType type)
{
  switch (type)
    {
    default:
      break;
    }
 
  return NULL;
}
 
bool
audio_function_apply (
  ArrangerSelections * sel,
  AudioFunctionType    type,
  AudioFunctionOpts    opts,
  const char *         uri,
  GError **            error);
 
#endif