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annotate DPF-Prymula-audioplugins/plugins/common/gen_dsp/genlib_common.h @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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1 /*******************************************************************************************************************
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2 Copyright (c) 2012 Cycling '74
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3
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4 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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5 and associated documentation files (the "Software"), to deal in the Software without restriction,
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6 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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7 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
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8 subject to the following conditions:
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9
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10 The above copyright notice and this permission notice shall be included in all copies
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11 or substantial portions of the Software.
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13 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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14 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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15 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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16 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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17 OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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18 *******************************************************************************************************************/
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21 #ifndef GENLIB_COMMON_H
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22 #define GENLIB_COMMON_H 1
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23
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24 //////////// genlib_common.h ////////////
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25 // common data structure header file -- this is the stuff required by the
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26 // common code and accessed by the export and max code
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27
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28 #define DSP_GEN_MAX_SIGNALS 16
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29
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30 typedef float t_sample;
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31 typedef float t_param;
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32 typedef char *t_ptr;
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33
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34 typedef long t_genlib_err;
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35 typedef enum {
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36 GENLIB_ERR_NONE = 0, ///< No error
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37 GENLIB_ERR_GENERIC = -1, ///< Generic error
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38 GENLIB_ERR_INVALID_PTR = -2, ///< Invalid Pointer
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39 GENLIB_ERR_DUPLICATE = -3, ///< Duplicate
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40 GENLIB_ERR_OUT_OF_MEM = -4, ///< Out of memory
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41
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42 GENLIB_ERR_LOOP_OVERFLOW = 100, // too many iterations of loops in perform()
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43 GENLIB_ERR_NULL_BUFFER = 101 // missing signal data in perform()
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44
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45 } e_genlib_errorcodes;
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46
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47 typedef enum {
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48 GENLIB_PARAMTYPE_FLOAT = 0,
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49 GENLIB_PARAMTYPE_SYM = 1
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50 } e_genlib_paramtypes;
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51
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52 struct ParamInfo
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53 {
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54 t_param defaultvalue;
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55 void * defaultref;
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56 char hasinputminmax;
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57 char hasminmax;
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58 t_param inputmin, inputmax;
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59 t_param outputmin, outputmax;
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60 const char *name;
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61 const char *units;
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62 int paramtype; // 0 -> float64, 1 -> symbol (table name)
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63 t_param exp; // future, for scaling
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64 };
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65
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66 struct CommonState
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67 {
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68 t_sample sr;
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69 int vs;
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70 int numins;
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71 int numouts;
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72 const char **inputnames;
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73 const char **outputnames;
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74 int numparams;
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75 ParamInfo *params;
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76
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77 void * parammap; // implementation-dependent
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78 void * api; // implementation-dependent
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79 };
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80
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81 // opaque interface to float32 buffer:
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82 typedef struct _genlib_buffer t_genlib_buffer;
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83 typedef struct {
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84 char b_name[256]; ///< name of the buffer
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85 float *b_samples; ///< stored with interleaved channels if multi-channel
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86 long b_frames; ///< number of sample frames (each one is sizeof(float) * b_nchans bytes)
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87 long b_nchans; ///< number of channels
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88 long b_size; ///< size of buffer in floats
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89 float b_sr; ///< sampling rate of the buffer
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90 long b_modtime; ///< last modified time ("dirty" method)
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91 long b_rfu[57]; ///< reserved for future use
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92 } t_genlib_buffer_info;
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93
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94 // opaque interface to float64 buffer:
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95 typedef struct _genlib_data t_genlib_data;
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96 typedef struct {
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97 int dim, channels;
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98 t_sample * data;
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99 } t_genlib_data_info;
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100
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101 typedef void (*setparameter_method) (CommonState *, long, t_param, void *);
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102 typedef void (*getparameter_method) (CommonState *, long, t_param *);
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103
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104 #endif // GENLIB_COMMON_H
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105
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106