1 | //libroarsndio.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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5 | * The code (may) include prototypes and comments (and maybe |
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6 | * other code fragements) from EsounD. |
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7 | * They are mostly copyrighted by Eric B. Mitchell (aka 'Ricdude) |
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8 | * <ericmit@ix.netcom.com>. For more information see AUTHORS.esd. |
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9 | * |
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10 | * This file is part of libroaresd a part of RoarAudio, |
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11 | * a cross-platform sound system for both, home and professional use. |
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12 | * See README for details. |
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13 | * |
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14 | * This file is free software; you can redistribute it and/or modify |
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15 | * it under the terms of the GNU General Public License version 3 |
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16 | * as published by the Free Software Foundation. |
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17 | * |
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18 | * RoarAudio is distributed in the hope that it will be useful, |
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19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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21 | * GNU General Public License for more details. |
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22 | * |
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23 | * You should have received a copy of the GNU General Public License |
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24 | * along with this software; see the file COPYING. If not, write to |
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25 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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26 | * |
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27 | * NOTE for everyone want's to change something and send patches: |
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28 | * read README and HACKING! There a addition information on |
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29 | * the license of this document you need to read before you send |
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30 | * any patches. |
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31 | */ |
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32 | |
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33 | #define ROAR_USE_OWN_SNDIO_HDL |
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34 | #include "libroarsndio.h" |
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35 | |
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36 | struct sio_hdl * sio_open(char * name, unsigned mode, int nbio_flag) { |
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37 | struct sio_hdl * hdl = NULL; |
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38 | int is_midi = 0; |
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39 | |
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40 | if ( (hdl = malloc(sizeof(struct sio_hdl))) == NULL ) |
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41 | return NULL; |
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42 | |
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43 | memset(hdl, 0, sizeof(struct sio_hdl)); |
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44 | |
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45 | switch (mode) { |
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46 | case SIO_PLAY: |
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47 | hdl->dir = ROAR_DIR_PLAY; |
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48 | break; |
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49 | case MIO_OUT: |
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50 | is_midi = 1; |
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51 | hdl->dir = ROAR_DIR_MIDI_IN; |
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52 | break; |
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53 | case MIO_IN: |
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54 | is_midi = 1; |
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55 | hdl->dir = ROAR_DIR_MIDI_OUT; |
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56 | break; |
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57 | |
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58 | // unsupported: |
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59 | case SIO_REC: |
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60 | case SIO_PLAY|SIO_REC: |
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61 | case MIO_OUT|MIO_IN: |
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62 | |
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63 | // illigal: |
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64 | default: |
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65 | free(hdl); |
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66 | return NULL; |
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67 | } |
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68 | |
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69 | if ( roar_simple_connect(&(hdl->con), name, "libroarsndio") == -1 ) { |
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70 | free(hdl); |
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71 | return NULL; |
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72 | } |
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73 | |
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74 | sio_initpar(&(hdl->para)); |
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75 | |
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76 | hdl->stream_opened = 0; |
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77 | |
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78 | if ( name != NULL ) |
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79 | hdl->device = strdup(name); |
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80 | |
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81 | if ( is_midi ) { |
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82 | hdl->info.codec = ROAR_CODEC_MIDI; |
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83 | hdl->info.bits = 8; |
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84 | hdl->info.channels = 16; |
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85 | hdl->info.rate = 96; |
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86 | if ( !sio_start(hdl) ) { |
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87 | sio_close(hdl); |
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88 | return NULL; |
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89 | } |
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90 | } |
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91 | |
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92 | return hdl; |
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93 | } |
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94 | |
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95 | void sio_close (struct sio_hdl * hdl) { |
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96 | if ( hdl == NULL ) |
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97 | return; |
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98 | |
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99 | sio_stop(hdl); |
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100 | |
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101 | roar_disconnect(&(hdl->con)); |
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102 | |
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103 | free(hdl); |
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104 | } |
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105 | |
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106 | int sio_eof (struct sio_hdl * hdl) { |
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107 | return 0; |
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108 | } |
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109 | |
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110 | void sio_onmove (struct sio_hdl * hdl, void (*cb)(void * arg, int delta), void * arg) { |
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111 | if ( hdl == NULL ) |
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112 | return; |
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113 | |
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114 | hdl->on_move = cb; |
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115 | hdl->on_move_arg = arg; |
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116 | } |
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117 | |
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118 | //ll |
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