[1140] | 1 | //vio.h: |
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[588] | 2 | |
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[690] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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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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[588] | 35 | #ifndef _LIBROARVIO_H_ |
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| 36 | #define _LIBROARVIO_H_ |
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| 37 | |
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| 38 | #include "libroar.h" |
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| 39 | |
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[1140] | 40 | // CTLs: |
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| 41 | |
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| 42 | // stream: |
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| 43 | #define ROAR_VIO_CTL_SET_STREAM 0x00010001 |
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| 44 | #define ROAR_VIO_CTL_GET_STREAM 0x00010002 |
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| 45 | #define ROAR_VIO_CTL_GET_DELAY 0x00010011 |
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| 46 | |
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| 47 | // sys io: |
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| 48 | |
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[589] | 49 | struct roar_vio_calls { |
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[593] | 50 | void * inst; |
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[881] | 51 | /* |
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[595] | 52 | ssize_t (*read) (int fd, void *buf, size_t count, void * inst); |
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| 53 | ssize_t (*write)(int fd, void *buf, size_t count, void * inst); |
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| 54 | off_t (*lseek)(int fildes, off_t offset, int whence, void * inst); |
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[881] | 55 | */ |
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[1118] | 56 | ssize_t (*read )(struct roar_vio_calls * vio, void *buf, size_t count); |
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| 57 | ssize_t (*write )(struct roar_vio_calls * vio, void *buf, size_t count); |
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| 58 | off_t (*lseek )(struct roar_vio_calls * vio, off_t offset, int whence); |
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| 59 | int (*nonblock)(struct roar_vio_calls * vio, int state); |
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| 60 | int (*sync )(struct roar_vio_calls * vio); |
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[1140] | 61 | int (*ctl )(struct roar_vio_calls * vio, int cmd, void * data); |
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[589] | 62 | }; |
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| 63 | |
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[591] | 64 | int roar_vio_init_calls (struct roar_vio_calls * calls); |
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| 65 | |
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[881] | 66 | int roar_vio_set_inst (struct roar_vio_calls * vio, void * inst); |
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| 67 | int roar_vio_set_fh (struct roar_vio_calls * vio, int fh); |
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| 68 | |
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| 69 | int roar_vio_get_fh (struct roar_vio_calls * vio); |
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| 70 | |
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[1118] | 71 | ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 72 | ssize_t roar_vio_write (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 73 | off_t roar_vio_lseek (struct roar_vio_calls * vio, off_t offset, int whence); |
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| 74 | int roar_vio_nonblock(struct roar_vio_calls * vio, int state); |
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| 75 | int roar_vio_sync (struct roar_vio_calls * vio); |
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[1140] | 76 | int roar_vio_ctl (struct roar_vio_calls * vio, int cmd, void * data); |
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[881] | 77 | |
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| 78 | |
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| 79 | // possible VIOs: |
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| 80 | |
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| 81 | // basic |
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[1118] | 82 | ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 83 | ssize_t roar_vio_basic_write (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 84 | off_t roar_vio_basic_lseek (struct roar_vio_calls * vio, off_t offset, int whence); |
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| 85 | int roar_vio_basic_nonblock(struct roar_vio_calls * vio, int state); |
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| 86 | int roar_vio_basic_sync (struct roar_vio_calls * vio); |
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[881] | 87 | |
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[943] | 88 | // null |
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| 89 | // this is read an write in one! |
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| 90 | ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 91 | |
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[886] | 92 | // pass |
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| 93 | |
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| 94 | ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 95 | ssize_t roar_vio_pass_write(struct roar_vio_calls * vio, void *buf, size_t count); |
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| 96 | off_t roar_vio_pass_lseek(struct roar_vio_calls * vio, off_t offset, int whence); |
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| 97 | |
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| 98 | // re-read/write |
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| 99 | |
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| 100 | ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count); |
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| 101 | ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count); |
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| 102 | off_t roar_vio_re_lseek(struct roar_vio_calls * vio, off_t offset, int whence); |
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| 103 | |
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| 104 | |
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| 105 | |
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[588] | 106 | #endif |
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| 107 | |
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| 108 | //ll |
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