[4173] | 1 | //vs.c: |
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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, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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| 36 | #include "libroar.h" |
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| 37 | |
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[4174] | 38 | #define FLAG_NONE 0x0000 |
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| 39 | #define FLAG_STREAM 0x0001 |
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[4175] | 40 | #define FLAG_NONBLOCK 0x0002 |
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[4174] | 41 | |
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[4186] | 42 | #define _initerr() do { errno = 0; roar_err_clear(); } while(0) |
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| 43 | #define _seterr(x) do { if ( error != NULL ) *error = (x); } while(0) |
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| 44 | #define _seterrre() do { _seterr(roar_errno); } while(0) |
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| 45 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_errno); } while(0) |
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[4174] | 46 | |
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| 47 | struct roar_vs { |
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| 48 | int flags; |
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| 49 | struct roar_connection con_store; |
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| 50 | struct roar_connection * con; |
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| 51 | struct roar_stream stream; |
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| 52 | struct roar_vio_calls vio; |
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| 53 | }; |
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| 54 | |
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| 55 | const char * roar_vs_strerr(int error) { |
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| 56 | const struct { |
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| 57 | int err; |
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| 58 | const char * msg; |
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| 59 | } msgs[] = { |
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[4181] | 60 | {ROAR_ERROR_NONE, "No error"}, |
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| 61 | {ROAR_ERROR_PERM, "Operation not permitted"}, |
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| 62 | {ROAR_ERROR_NOENT, "No such object, file or directory"}, |
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| 63 | {ROAR_ERROR_BADMSG, "Bad message"}, |
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| 64 | {ROAR_ERROR_BUSY, "Device or resource busy"}, |
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| 65 | {ROAR_ERROR_CONNREFUSED, "Connection refused"}, |
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| 66 | {ROAR_ERROR_NOSYS, "Function not implemented"}, |
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| 67 | {ROAR_ERROR_NOTSUP, "Operation not supported"}, |
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| 68 | {ROAR_ERROR_PIPE, "Broken pipe"}, |
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| 69 | {ROAR_ERROR_PROTO, "Protocol error"}, |
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| 70 | {ROAR_ERROR_RANGE, "Result too large or parameter out of range"}, |
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| 71 | {ROAR_ERROR_MSGSIZE, "Message too long"}, |
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| 72 | {ROAR_ERROR_NOMEM, "Not enough space"}, |
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| 73 | {ROAR_ERROR_INVAL, "Invalid argument"}, |
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[4174] | 74 | {-1, NULL} |
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| 75 | }; |
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| 76 | int i; |
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| 77 | |
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| 78 | for (i = 0; msgs[i].msg != NULL; i++) |
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| 79 | if ( msgs[i].err == error ) |
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| 80 | return msgs[i].msg; |
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| 81 | |
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| 82 | return "(unknown)"; |
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| 83 | } |
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| 84 | |
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| 85 | static roar_vs_t * roar_vs_init(int * error) { |
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| 86 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
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| 87 | |
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| 88 | if ( vss == NULL ) { |
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[4186] | 89 | _seterrse(); |
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[4174] | 90 | return NULL; |
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| 91 | } |
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| 92 | |
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| 93 | memset(vss, 0, sizeof(roar_vs_t)); |
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| 94 | |
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| 95 | return vss; |
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| 96 | } |
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| 97 | |
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| 98 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
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| 99 | roar_vs_t * vss = roar_vs_init(error); |
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| 100 | |
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| 101 | if ( vss == NULL ) |
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| 102 | return NULL; |
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| 103 | |
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| 104 | vss->con = con; |
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| 105 | |
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| 106 | return vss; |
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| 107 | } |
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| 108 | |
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| 109 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
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| 110 | roar_vs_t * vss = roar_vs_init(error); |
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| 111 | int ret; |
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| 112 | |
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| 113 | if ( vss == NULL ) |
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| 114 | return NULL; |
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| 115 | |
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| 116 | vss->con = &(vss->con_store); |
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| 117 | |
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[4186] | 118 | _initerr(); |
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| 119 | |
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[4174] | 120 | ret = roar_simple_connect(vss->con, (char*)server, (char*)name); |
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| 121 | |
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| 122 | if ( ret == -1 ) { |
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| 123 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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[4186] | 124 | _seterrre(); |
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[4174] | 125 | return NULL; |
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| 126 | } |
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| 127 | |
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| 128 | return vss; |
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| 129 | } |
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| 130 | |
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| 131 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
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| 132 | int ret; |
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| 133 | |
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| 134 | if ( vss->flags & FLAG_STREAM ) { |
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| 135 | _seterr(ROAR_ERROR_INVAL); |
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| 136 | return -1; |
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| 137 | } |
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| 138 | |
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[4186] | 139 | _initerr(); |
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| 140 | |
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[4174] | 141 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
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| 142 | info->rate, info->channels, info->bits, info->codec, |
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| 143 | dir |
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| 144 | ); |
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| 145 | |
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| 146 | if ( ret == -1 ) { |
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[4186] | 147 | _seterrre(); |
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[4174] | 148 | return -1; |
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| 149 | } |
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| 150 | |
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| 151 | vss->flags |= FLAG_STREAM; |
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| 152 | |
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| 153 | return 0; |
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| 154 | } |
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| 155 | |
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| 156 | roar_vs_t * roar_vs_new_simple(const char * server, const char * name, int rate, int channels, int codec, int bits, int dir, int * error) { |
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| 157 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 158 | struct roar_audio_info info; |
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| 159 | int ret; |
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| 160 | |
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| 161 | if (vss == NULL) |
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| 162 | return NULL; |
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| 163 | |
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| 164 | memset(&info, 0, sizeof(info)); |
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| 165 | |
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| 166 | info.rate = rate; |
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| 167 | info.channels = channels; |
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| 168 | info.codec = codec; |
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| 169 | info.bits = bits; |
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| 170 | |
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| 171 | ret = roar_vs_stream(vss, &info, dir, error); |
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| 172 | |
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| 173 | if (ret == -1) { |
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| 174 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 175 | return NULL; |
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| 176 | } |
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| 177 | |
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| 178 | return vss; |
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| 179 | } |
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| 180 | |
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| 181 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
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[4178] | 182 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
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| 183 | _seterr(ROAR_ERROR_UNKNOWN); |
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| 184 | return -1; |
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| 185 | } |
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| 186 | |
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[4174] | 187 | if ( vss->flags & FLAG_STREAM ) { |
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[4178] | 188 | if ( killit == ROAR_VS_TRUE ) { |
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[4174] | 189 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
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| 190 | } |
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| 191 | |
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| 192 | roar_vio_close(&(vss->vio)); |
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| 193 | } |
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| 194 | |
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| 195 | if ( vss->con == &(vss->con_store) ) { |
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| 196 | roar_disconnect(vss->con); |
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| 197 | } |
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| 198 | |
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| 199 | roar_mm_free(vss); |
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| 200 | return 0; |
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| 201 | } |
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| 202 | |
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| 203 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
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| 204 | ssize_t ret; |
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| 205 | |
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| 206 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 207 | _seterr(ROAR_ERROR_INVAL); |
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| 208 | return -1; |
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| 209 | } |
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| 210 | |
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[4186] | 211 | _initerr(); |
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| 212 | |
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[4174] | 213 | ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
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| 214 | |
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| 215 | if ( ret == -1 ) { |
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[4199] | 216 | #ifdef EAGAIN |
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| 217 | if ( errno == EAGAIN ) |
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| 218 | return 0; |
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| 219 | #endif |
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| 220 | |
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| 221 | #ifdef EWOULDBLOCK |
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| 222 | if ( errno == EWOULDBLOCK ) |
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| 223 | return 0; |
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| 224 | #endif |
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| 225 | |
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[4186] | 226 | _seterrre(); |
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[4174] | 227 | } |
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| 228 | |
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| 229 | return ret; |
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| 230 | } |
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| 231 | |
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| 232 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
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| 233 | ssize_t ret; |
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| 234 | |
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| 235 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 236 | _seterr(ROAR_ERROR_INVAL); |
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| 237 | return -1; |
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| 238 | } |
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| 239 | |
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[4186] | 240 | _initerr(); |
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| 241 | |
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[4174] | 242 | ret = roar_vio_read(&(vss->vio), buf, len); |
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| 243 | |
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| 244 | if ( ret == -1 ) { |
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[4186] | 245 | _seterrre(); |
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[4174] | 246 | } |
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| 247 | |
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| 248 | return ret; |
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| 249 | } |
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| 250 | |
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[4175] | 251 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
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| 252 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 253 | _seterr(ROAR_ERROR_INVAL); |
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| 254 | return -1; |
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| 255 | } |
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| 256 | |
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| 257 | if ( wait != ROAR_VS_NOWAIT ) { |
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| 258 | _seterr(ROAR_ERROR_INVAL); |
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| 259 | return -1; |
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| 260 | } |
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| 261 | |
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[4186] | 262 | _initerr(); |
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| 263 | |
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| 264 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
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| 265 | _seterrre(); |
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| 266 | return -1; |
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| 267 | } |
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[4175] | 268 | |
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| 269 | return 0; |
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| 270 | } |
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| 271 | |
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| 272 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
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| 273 | int old = -1; |
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| 274 | |
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| 275 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 276 | _seterr(ROAR_ERROR_INVAL); |
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| 277 | return -1; |
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| 278 | } |
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| 279 | |
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| 280 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
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| 281 | |
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[4186] | 282 | _initerr(); |
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| 283 | |
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[4175] | 284 | switch (val) { |
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| 285 | case ROAR_VS_TRUE: |
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| 286 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
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[4186] | 287 | _seterrre(); |
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[4175] | 288 | return -1; |
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| 289 | } |
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| 290 | vss->flags |= FLAG_NONBLOCK; |
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| 291 | vss->flags -= FLAG_NONBLOCK; |
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| 292 | return old; |
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| 293 | break; |
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| 294 | case ROAR_VS_FALSE: |
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| 295 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
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[4186] | 296 | _seterrre(); |
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[4175] | 297 | return -1; |
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| 298 | } |
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| 299 | vss->flags |= FLAG_NONBLOCK; |
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| 300 | return old; |
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| 301 | break; |
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| 302 | case ROAR_VS_TOGGLE: |
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| 303 | if ( old == ROAR_VS_TRUE ) { |
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| 304 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
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| 305 | } else { |
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| 306 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
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| 307 | } |
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| 308 | break; |
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| 309 | case ROAR_VS_ASK: |
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| 310 | return old; |
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| 311 | break; |
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| 312 | } |
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| 313 | |
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| 314 | _seterr(ROAR_ERROR_INVAL); |
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| 315 | return -1; |
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| 316 | } |
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| 317 | |
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| 318 | ssize_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
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[4186] | 319 | _seterr(ROAR_ERROR_NOSYS); |
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[4175] | 320 | return -1; |
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| 321 | } |
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| 322 | |
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| 323 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
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| 324 | struct roar_stream_info info; |
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| 325 | int old = -1; |
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| 326 | |
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| 327 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 328 | _seterr(ROAR_ERROR_INVAL); |
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| 329 | return -1; |
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| 330 | } |
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| 331 | |
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| 332 | if ( val != ROAR_VS_ASK ) |
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| 333 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
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| 334 | |
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[4186] | 335 | _initerr(); |
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| 336 | |
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[4175] | 337 | switch (val) { |
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| 338 | case ROAR_VS_TRUE: |
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| 339 | case ROAR_VS_FALSE: |
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| 340 | if ( roar_stream_set_flags(vss->con, &(vss->stream), flag, |
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| 341 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
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[4186] | 342 | _seterrre(); |
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[4175] | 343 | return -1; |
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| 344 | } |
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| 345 | return old; |
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| 346 | break; |
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| 347 | case ROAR_VS_TOGGLE: |
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| 348 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
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| 349 | break; |
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| 350 | case ROAR_VS_ASK: |
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| 351 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
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[4186] | 352 | _seterrre(); |
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[4175] | 353 | return -1; |
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| 354 | } |
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| 355 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
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| 356 | break; |
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| 357 | } |
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| 358 | |
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[4187] | 359 | _seterr(ROAR_ERROR_INVAL); |
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[4175] | 360 | return -1; |
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| 361 | } |
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| 362 | |
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| 363 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
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| 364 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
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| 365 | } |
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| 366 | |
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| 367 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
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| 368 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
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| 369 | } |
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| 370 | |
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| 371 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
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| 372 | struct roar_mixer_settings mixer; |
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| 373 | size_t i; |
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[4179] | 374 | register float s; |
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[4182] | 375 | int oldchannels; |
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| 376 | int handled; |
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[4175] | 377 | |
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| 378 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 379 | _seterr(ROAR_ERROR_INVAL); |
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| 380 | return -1; |
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| 381 | } |
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| 382 | |
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| 383 | if ( channels > ROAR_MAX_CHANNELS ) { |
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| 384 | _seterr(ROAR_ERROR_INVAL); |
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| 385 | return -1; |
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| 386 | } |
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| 387 | |
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[4186] | 388 | _initerr(); |
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| 389 | |
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[4182] | 390 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
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[4186] | 391 | _seterrre(); |
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[4182] | 392 | return -1; |
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| 393 | } |
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| 394 | |
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[4179] | 395 | for (i = 0; i < channels; i++) { |
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| 396 | s = c[i] * 65535.0; |
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| 397 | if ( s > 66190.0 || s < -655.0 ) { |
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| 398 | _seterr(ROAR_ERROR_RANGE); |
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| 399 | return -1; |
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| 400 | } else if ( s > 65535.0 ) { |
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| 401 | s = 65535.0; |
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| 402 | } else if ( s < 0.0 ) { |
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| 403 | s = 0.0; |
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| 404 | } |
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| 405 | mixer.mixer[i] = s; |
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| 406 | } |
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[4175] | 407 | |
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| 408 | mixer.scale = 65535; |
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[4182] | 409 | |
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| 410 | if ( channels != oldchannels ) { |
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| 411 | handled = 0; |
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| 412 | switch (oldchannels) { |
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| 413 | case 1: |
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| 414 | if ( channels == 2 ) { |
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| 415 | mixer.mixer[0] = (mixer.mixer[0] + mixer.mixer[1]) / 2; |
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| 416 | handled = 1; |
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| 417 | } |
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| 418 | break; |
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| 419 | case 2: |
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| 420 | if ( channels == 1 ) { |
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| 421 | mixer.mixer[1] = mixer.mixer[0]; |
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| 422 | handled = 1; |
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| 423 | } |
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| 424 | break; |
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| 425 | case 4: |
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| 426 | if ( channels == 1 ) { |
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| 427 | mixer.mixer[1] = mixer.mixer[0]; |
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| 428 | mixer.mixer[2] = mixer.mixer[0]; |
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| 429 | mixer.mixer[3] = mixer.mixer[0]; |
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| 430 | handled = 1; |
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| 431 | } else if ( channels == 2 ) { |
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| 432 | mixer.mixer[2] = mixer.mixer[0]; |
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| 433 | mixer.mixer[3] = mixer.mixer[1]; |
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| 434 | handled = 1; |
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| 435 | } |
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| 436 | break; |
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| 437 | } |
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| 438 | if ( handled ) { |
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| 439 | channels = oldchannels; |
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| 440 | } else { |
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| 441 | _seterr(ROAR_ERROR_INVAL); |
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| 442 | return -1; |
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| 443 | } |
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| 444 | } |
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[4175] | 445 | |
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| 446 | if ( roar_set_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels) == -1 ) { |
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[4186] | 447 | _seterrre(); |
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[4175] | 448 | return -1; |
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| 449 | } |
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| 450 | |
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| 451 | return 0; |
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| 452 | } |
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| 453 | |
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| 454 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
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| 455 | return roar_vs_volume(vss, &c, 1, error); |
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| 456 | } |
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| 457 | |
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| 458 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
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| 459 | float c[2] = {l, r}; |
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| 460 | return roar_vs_volume(vss, c, 2, error); |
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| 461 | } |
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| 462 | |
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| 463 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
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| 464 | struct roar_mixer_settings mixer; |
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| 465 | int channels; |
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| 466 | |
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| 467 | if ( vss == NULL || l == NULL || r == NULL ) { |
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| 468 | _seterr(ROAR_ERROR_INVAL); |
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| 469 | return -1; |
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| 470 | } |
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| 471 | |
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| 472 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 473 | _seterr(ROAR_ERROR_INVAL); |
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| 474 | return -1; |
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| 475 | } |
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| 476 | |
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[4186] | 477 | _initerr(); |
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| 478 | |
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[4175] | 479 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
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[4186] | 480 | _seterrre(); |
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[4175] | 481 | return -1; |
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| 482 | } |
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| 483 | |
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| 484 | if ( channels == 1 ) |
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| 485 | mixer.mixer[1] = mixer.mixer[0]; |
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| 486 | |
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| 487 | *l = mixer.mixer[0] / (float)mixer.scale; |
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| 488 | *r = mixer.mixer[1] / (float)mixer.scale; |
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| 489 | |
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| 490 | return 0; |
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| 491 | } |
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| 492 | |
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[4176] | 493 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
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| 494 | struct roar_meta meta; |
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| 495 | size_t i; |
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| 496 | int type; |
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[4180] | 497 | int ret = 0; |
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[4176] | 498 | |
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| 499 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 500 | _seterr(ROAR_ERROR_INVAL); |
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| 501 | return -1; |
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| 502 | } |
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| 503 | |
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| 504 | meta.type = ROAR_META_TYPE_NONE; |
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| 505 | meta.key[0] = 0; |
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| 506 | meta.value = NULL; |
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| 507 | |
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[4186] | 508 | _initerr(); |
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[4176] | 509 | |
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[4180] | 510 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
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[4186] | 511 | _seterrre(); |
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[4180] | 512 | ret = -1; |
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| 513 | } |
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[4176] | 514 | |
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| 515 | for (i = 0; i < len; i++) { |
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| 516 | type = roar_meta_inttype(kv[i].key); |
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| 517 | meta.type = type; |
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| 518 | meta.value = kv[i].value; |
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| 519 | |
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[4180] | 520 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
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[4186] | 521 | _seterrre(); |
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[4180] | 522 | ret = -1; |
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| 523 | } |
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[4176] | 524 | } |
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| 525 | |
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| 526 | meta.type = ROAR_META_TYPE_NONE; |
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| 527 | meta.key[0] = 0; |
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| 528 | meta.value = NULL; |
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[4180] | 529 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
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[4186] | 530 | _seterrre(); |
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[4180] | 531 | ret = -1; |
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| 532 | } |
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[4176] | 533 | |
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[4180] | 534 | return ret; |
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[4176] | 535 | } |
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[4174] | 536 | |
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[4183] | 537 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
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| 538 | return vss->con; |
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| 539 | } |
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| 540 | |
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| 541 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
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| 542 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 543 | _seterr(ROAR_ERROR_INVAL); |
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[4186] | 544 | return NULL; |
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[4183] | 545 | } |
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| 546 | |
---|
| 547 | return &(vss->stream); |
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| 548 | } |
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| 549 | |
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| 550 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
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| 551 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 552 | _seterr(ROAR_ERROR_INVAL); |
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[4186] | 553 | return NULL; |
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[4183] | 554 | } |
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| 555 | |
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| 556 | return &(vss->vio); |
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| 557 | } |
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| 558 | |
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[4173] | 559 | //ll |
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