[0] | 1 | //buffer.h: |
---|
| 2 | |
---|
[690] | 3 | /* |
---|
[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
---|
[690] | 5 | * |
---|
| 6 | * This file is part of libroar a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * libroar is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
| 22 | * Boston, MA 02110-1301, USA. |
---|
[690] | 23 | * |
---|
| 24 | * NOTE for everyone want's to change something and send patches: |
---|
| 25 | * read README and HACKING! There a addition information on |
---|
| 26 | * the license of this document you need to read before you send |
---|
| 27 | * any patches. |
---|
| 28 | * |
---|
| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
| 30 | * or libpulse*: |
---|
| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
| 32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
| 34 | */ |
---|
| 35 | |
---|
[0] | 36 | #ifndef _LIBROAR_BUFFER_H_ |
---|
| 37 | #define _LIBROAR_BUFFER_H_ |
---|
| 38 | |
---|
| 39 | #include <roaraudio.h> |
---|
| 40 | |
---|
[3022] | 41 | #define ROAR_BUFFER_FLAG_NONE 0x00 |
---|
| 42 | #define ROAR_BUFFER_FLAG_NOFREE 0x01 |
---|
| 43 | #define ROAR_BUFFER_FLAG_RING 0x02 |
---|
| 44 | #define ROAR_BUFFER_FLAG_FREE_RUNNING 0x04 |
---|
[1215] | 45 | |
---|
[3022] | 46 | #define ROAR_BUFFER_SET 0 |
---|
| 47 | #define ROAR_BUFFER_RESET 1 |
---|
| 48 | |
---|
[4516] | 49 | struct roar_buffer; |
---|
| 50 | |
---|
| 51 | struct roar_buffer_stats { |
---|
| 52 | size_t parts; |
---|
| 53 | size_t bytes; |
---|
| 54 | size_t memory_usage; |
---|
[3022] | 55 | }; |
---|
[1215] | 56 | |
---|
[4516] | 57 | #define roar_buffer_next(a) roar_buffer_delete(*(a), (a)) |
---|
[0] | 58 | |
---|
[4516] | 59 | #define roar_buffer_new(a,len) roar_buffer_new_data((a), (len), NULL) |
---|
[7] | 60 | |
---|
[4522] | 61 | #define roar_buffer_free(x) roar_buffer_unref(x) |
---|
| 62 | |
---|
[1215] | 63 | int roar_buffer_new_no_ma(struct roar_buffer ** buf, size_t len, void * data); // no internal malloc |
---|
[0] | 64 | int roar_buffer_delete (struct roar_buffer * buf, struct roar_buffer ** next); |
---|
| 65 | int roar_buffer_add (struct roar_buffer * buf, struct roar_buffer * next); |
---|
| 66 | |
---|
[4522] | 67 | int roar_buffer_ref (struct roar_buffer * buf); |
---|
| 68 | int roar_buffer_unref (struct roar_buffer * buf); |
---|
| 69 | |
---|
[3764] | 70 | int roar_buffer_new_data (struct roar_buffer ** buf, size_t len, void ** data); |
---|
| 71 | |
---|
[3022] | 72 | int roar_buffer_ring_new (struct roar_buffer ** buf, size_t len, int free_running); |
---|
| 73 | |
---|
[4516] | 74 | int roar_buffer_clear_next (struct roar_buffer * buf); |
---|
| 75 | int roar_buffer_get_next (struct roar_buffer * buf, struct roar_buffer ** next); |
---|
[0] | 76 | |
---|
| 77 | int roar_buffer_get_data (struct roar_buffer * buf, void ** data); |
---|
| 78 | |
---|
| 79 | int roar_buffer_set_offset (struct roar_buffer * buf, size_t off); |
---|
| 80 | |
---|
[904] | 81 | int roar_buffer_shift_out (struct roar_buffer ** buf, void * data, size_t * len); |
---|
| 82 | |
---|
[2333] | 83 | int roar_buffer_set_meta (struct roar_buffer * buf, void * meta); |
---|
| 84 | int roar_buffer_get_meta (struct roar_buffer * buf, void ** meta); |
---|
| 85 | int roar_buffer_set_meta_i32(struct roar_buffer * buf, int32_t meta); |
---|
| 86 | int roar_buffer_get_meta_i32(struct roar_buffer * buf, int32_t * meta); |
---|
[0] | 87 | |
---|
[4901] | 88 | int roar_buffer_set_type (struct roar_buffer * buf, int type); |
---|
| 89 | int roar_buffer_get_type (struct roar_buffer * buf, int * type); |
---|
| 90 | |
---|
[0] | 91 | int roar_buffer_set_len (struct roar_buffer * buf, size_t len); |
---|
| 92 | int roar_buffer_get_len (struct roar_buffer * buf, size_t * len); |
---|
| 93 | |
---|
[1215] | 94 | int roar_buffer_set_flag (struct roar_buffer * buf, int flag, int reset); |
---|
| 95 | int roar_buffer_get_flag (struct roar_buffer * buf, int flag); |
---|
| 96 | |
---|
[46] | 97 | int roar_buffer_duplicate (struct roar_buffer * buf, struct roar_buffer ** copy); |
---|
| 98 | |
---|
[7] | 99 | int roar_buffer_ring_stats (struct roar_buffer * buf, struct roar_buffer_stats * stats); |
---|
| 100 | |
---|
[3022] | 101 | int roar_buffer_ring_read (struct roar_buffer * buf, void * data, size_t * len); |
---|
| 102 | int roar_buffer_ring_write (struct roar_buffer * buf, void * data, size_t * len); |
---|
| 103 | |
---|
[4625] | 104 | int roar_buffer_ring_avail(struct roar_buffer * buf, size_t * readlen, size_t * writelen); |
---|
| 105 | |
---|
[4629] | 106 | int roar_buffer_ring_reset(struct roar_buffer * buf); |
---|
| 107 | |
---|
[0] | 108 | #endif |
---|
| 109 | |
---|
| 110 | //ll |
---|