1 | //roardl.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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5 | * |
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6 | * This file is part of libroar a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * libroar is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | * |
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23 | * NOTE for everyone want's to change something and send patches: |
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24 | * read README and HACKING! There a addition information on |
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25 | * the license of this document you need to read before you send |
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26 | * any patches. |
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27 | * |
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28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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29 | * or libpulse*: |
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30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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31 | * and are therefore GPL. Because of this it may be illigal to use |
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32 | * them with any software that uses libesd, libartsc or libpulse*. |
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33 | */ |
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34 | |
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35 | #ifndef _LIBROARROARDL_H_ |
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36 | #define _LIBROARROARDL_H_ |
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37 | |
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38 | #include "libroar.h" |
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39 | |
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40 | #define ROAR_DL_FLAG_DEFAUTS -1 |
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41 | |
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42 | #define ROAR_DL_HANDLE_DEFAULT ((struct roar_dl_lhandle*)(void*)0) |
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43 | #define ROAR_DL_HANDLE_NEXT ((struct roar_dl_lhandle*)(void*)1) |
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44 | |
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45 | #define ROAR_DL_FN_DSTR 0 |
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46 | #define ROAR_DL_FN_CDRIVER 1 |
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47 | #define ROAR_DL_FN_TRANSCODER 2 |
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48 | #define ROAR_DL_FN_DRIVER 3 |
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49 | #define ROAR_DL_FN_SOURCE 4 |
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50 | #define ROAR_DL_FN_FILTER 5 |
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51 | #define ROAR_DL_FN_FF 6 /* file format */ |
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52 | #define ROAR_DL_FN_AUTH 7 |
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53 | #define ROAR_DL_FN_BRIDGE 8 |
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54 | #define ROAR_DL_FN_ROARDSCHED 9 |
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55 | #define ROAR_DL_FN_APPSCHED 10 |
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56 | #define ROAR_DL_FN_PROTO 11 |
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57 | //#define ROAR_DL_FN_ 9 |
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58 | #define ROAR_DL_FN_MAX 16 |
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59 | |
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60 | #define ROAR_DL_LIBPARA_VERSION 0 |
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61 | #define ROAR_DL_LIBINST_VERSION 0 |
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62 | |
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63 | #define ROAR_DL_PLUGIN(lib) struct roar_dl_libraryinst * \ |
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64 | _##lib##_roaraudio_library_init(struct roar_dl_librarypara * para); \ |
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65 | struct roar_dl_libraryinst * \ |
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66 | _roaraudio_library_init(struct roar_dl_librarypara * para) { \ |
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67 | return _##lib##_roaraudio_library_init(para); \ |
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68 | } \ |
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69 | struct roar_dl_libraryinst * \ |
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70 | _##lib##_roaraudio_library_init(struct roar_dl_librarypara * para) \ |
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71 | |
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72 | #define ROAR_DL_PLUGIN_START(xlib) ROAR_DL_PLUGIN(xlib) { \ |
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73 | static int _inited = 0; \ |
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74 | static struct roar_dl_libraryinst lib; \ |
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75 | if ( _inited ) \ |
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76 | return &lib; \ |
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77 | memset(&lib, 0, sizeof(lib)); \ |
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78 | lib.version = ROAR_DL_LIBINST_VERSION; \ |
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79 | lib.len = sizeof(lib); \ |
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80 | do |
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81 | |
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82 | #define ROAR_DL_PLUGIN_END while(0); \ |
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83 | _inited = 1; \ |
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84 | return &lib; \ |
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85 | } |
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86 | |
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87 | #define ROAR_DL_PLUGIN_REG(fn, funcptr) (lib.func[(fn)] = (funcptr)) |
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88 | #define ROAR_DL_PLUGIN_REG_UNLOAD(func) (lib.unload = (func)) |
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89 | |
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90 | struct roar_dl_librarypara { |
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91 | int version; |
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92 | size_t len; |
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93 | }; |
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94 | |
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95 | struct roar_dl_libraryinst { |
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96 | int version; |
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97 | size_t len; |
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98 | int (*unload)(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib); |
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99 | int (*func[ROAR_DL_FN_MAX])(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib); |
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100 | }; |
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101 | |
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102 | struct roar_dl_lhandle { |
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103 | struct roar_dl_librarypara * para; |
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104 | struct roar_dl_libraryinst * lib; |
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105 | #if defined(ROAR_HAVE_LIBDL) |
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106 | void * handle; |
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107 | #else |
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108 | char dummy[8]; |
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109 | #endif |
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110 | }; |
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111 | |
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112 | struct roar_dl_lhandle * roar_dl_open(const char * filename, int flags, int ra_init); |
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113 | int roar_dl_close(struct roar_dl_lhandle * lhandle); |
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114 | |
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115 | void * roar_dl_getsym(struct roar_dl_lhandle * lhandle, const char * sym, int type); |
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116 | |
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117 | int roar_dl_ra_init(struct roar_dl_lhandle * lhandle, const char * prefix); |
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118 | |
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119 | char * roar_dl_errstr(struct roar_dl_lhandle * lhandle); |
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120 | |
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121 | #endif |
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122 | |
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123 | //ll |
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