[0] | 1 | //buffer.h: |
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| 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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[0] | 35 | #ifndef _LIBROAR_BUFFER_H_ |
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| 36 | #define _LIBROAR_BUFFER_H_ |
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| 37 | |
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| 38 | #include <roaraudio.h> |
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| 39 | |
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[1215] | 40 | #define ROAR_BUFFER_FLAG_NONE 0 |
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| 41 | #define ROAR_BUFFER_FLAG_NOFREE 1 |
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| 42 | |
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| 43 | #define ROAR_BUFFER_SET 0 |
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| 44 | #define ROAR_BUFFER_RESET 1 |
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| 45 | |
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[0] | 46 | struct roar_buffer { |
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| 47 | size_t len; |
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| 48 | size_t user_len; |
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[1215] | 49 | int flags; |
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[0] | 50 | void * data; |
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| 51 | void * user_data; |
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[2333] | 52 | union { |
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| 53 | void * vp; |
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| 54 | int32_t i32; |
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| 55 | } meta; |
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[0] | 56 | struct roar_buffer * next; |
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| 57 | }; |
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| 58 | |
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[7] | 59 | struct roar_buffer_stats { |
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| 60 | int parts; |
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| 61 | int bytes; |
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| 62 | int memory_usage; |
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| 63 | }; |
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| 64 | |
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[904] | 65 | #define roar_buffer_next(a) roar_buffer_delete(*(a), (a)) |
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[0] | 66 | |
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| 67 | int roar_buffer_new (struct roar_buffer ** buf, size_t len); |
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[1215] | 68 | int roar_buffer_new_no_ma(struct roar_buffer ** buf, size_t len, void * data); // no internal malloc |
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[0] | 69 | int roar_buffer_free (struct roar_buffer * buf); |
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| 70 | int roar_buffer_delete (struct roar_buffer * buf, struct roar_buffer ** next); |
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| 71 | int roar_buffer_add (struct roar_buffer * buf, struct roar_buffer * next); |
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| 72 | |
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| 73 | int roar_buffer_get_next (struct roar_buffer * buf, struct roar_buffer ** next); |
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| 74 | |
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| 75 | int roar_buffer_get_data (struct roar_buffer * buf, void ** data); |
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| 76 | |
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| 77 | int roar_buffer_set_offset (struct roar_buffer * buf, size_t off); |
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| 78 | |
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[904] | 79 | int roar_buffer_shift_out (struct roar_buffer ** buf, void * data, size_t * len); |
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| 80 | |
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[2333] | 81 | int roar_buffer_set_meta (struct roar_buffer * buf, void * meta); |
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| 82 | int roar_buffer_get_meta (struct roar_buffer * buf, void ** meta); |
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| 83 | int roar_buffer_set_meta_i32(struct roar_buffer * buf, int32_t meta); |
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| 84 | int roar_buffer_get_meta_i32(struct roar_buffer * buf, int32_t * meta); |
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[0] | 85 | |
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| 86 | int roar_buffer_set_len (struct roar_buffer * buf, size_t len); |
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| 87 | int roar_buffer_get_len (struct roar_buffer * buf, size_t * len); |
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| 88 | |
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[1215] | 89 | int roar_buffer_set_flag (struct roar_buffer * buf, int flag, int reset); |
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| 90 | int roar_buffer_get_flag (struct roar_buffer * buf, int flag); |
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| 91 | |
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[46] | 92 | int roar_buffer_duplicate (struct roar_buffer * buf, struct roar_buffer ** copy); |
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| 93 | |
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[7] | 94 | int roar_buffer_ring_stats (struct roar_buffer * buf, struct roar_buffer_stats * stats); |
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| 95 | |
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[0] | 96 | #endif |
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| 97 | |
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| 98 | //ll |
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