[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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[4580] | 38 | #define FLAG_NONE 0x0000 |
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| 39 | #define FLAG_STREAM 0x0001 |
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| 40 | #define FLAG_NONBLOCK 0x0002 |
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| 41 | #define FLAG_BUFFERED 0x0004 |
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| 42 | #define FLAG_CLOSEFILE 0x0008 |
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| 43 | #define FLAG_DIR_IN 0x1000 |
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| 44 | #define FLAG_DIR_OUT 0x2000 |
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[4174] | 45 | |
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[4186] | 46 | #define _initerr() do { errno = 0; roar_err_clear(); } while(0) |
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[4630] | 47 | #define _seterr(x) do { if ( error != NULL ) *error = (x); ROAR_DBG("roar_vs_*(*): *error=%s(%i)", roar_vs_strerr((x)), (x)); } while(0) |
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[4186] | 48 | #define _seterrre() do { _seterr(roar_errno); } while(0) |
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| 49 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_errno); } while(0) |
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[4260] | 50 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_INVAL); return (ret); } } while(0) |
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[4174] | 51 | |
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| 52 | struct roar_vs { |
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| 53 | int flags; |
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| 54 | struct roar_connection con_store; |
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| 55 | struct roar_connection * con; |
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| 56 | struct roar_stream stream; |
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| 57 | struct roar_vio_calls vio; |
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[4206] | 58 | struct roar_audio_info info; |
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| 59 | size_t readc, writec; |
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| 60 | int mixerid; |
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| 61 | int first_primid; |
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[4580] | 62 | struct roar_buffer * readbuffer, * writebuffer; |
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| 63 | struct roar_vio_calls file_store; |
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| 64 | struct roar_vio_calls * file; |
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[4626] | 65 | struct roar_buffer * readring, * writering; |
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[4174] | 66 | }; |
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| 67 | |
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[4206] | 68 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
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| 69 | |
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[4174] | 70 | const char * roar_vs_strerr(int error) { |
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| 71 | const struct { |
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| 72 | int err; |
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| 73 | const char * msg; |
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| 74 | } msgs[] = { |
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[4181] | 75 | {ROAR_ERROR_NONE, "No error"}, |
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| 76 | {ROAR_ERROR_PERM, "Operation not permitted"}, |
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| 77 | {ROAR_ERROR_NOENT, "No such object, file or directory"}, |
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| 78 | {ROAR_ERROR_BADMSG, "Bad message"}, |
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| 79 | {ROAR_ERROR_BUSY, "Device or resource busy"}, |
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| 80 | {ROAR_ERROR_CONNREFUSED, "Connection refused"}, |
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| 81 | {ROAR_ERROR_NOSYS, "Function not implemented"}, |
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| 82 | {ROAR_ERROR_NOTSUP, "Operation not supported"}, |
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| 83 | {ROAR_ERROR_PIPE, "Broken pipe"}, |
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| 84 | {ROAR_ERROR_PROTO, "Protocol error"}, |
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| 85 | {ROAR_ERROR_RANGE, "Result too large or parameter out of range"}, |
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| 86 | {ROAR_ERROR_MSGSIZE, "Message too long"}, |
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| 87 | {ROAR_ERROR_NOMEM, "Not enough space"}, |
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| 88 | {ROAR_ERROR_INVAL, "Invalid argument"}, |
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[4174] | 89 | {-1, NULL} |
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| 90 | }; |
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| 91 | int i; |
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| 92 | |
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| 93 | for (i = 0; msgs[i].msg != NULL; i++) |
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| 94 | if ( msgs[i].err == error ) |
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| 95 | return msgs[i].msg; |
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| 96 | |
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| 97 | return "(unknown)"; |
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| 98 | } |
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| 99 | |
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| 100 | static roar_vs_t * roar_vs_init(int * error) { |
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| 101 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
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| 102 | |
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| 103 | if ( vss == NULL ) { |
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[4186] | 104 | _seterrse(); |
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[4174] | 105 | return NULL; |
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| 106 | } |
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| 107 | |
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| 108 | memset(vss, 0, sizeof(roar_vs_t)); |
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| 109 | |
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[4206] | 110 | vss->mixerid = -1; |
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| 111 | vss->first_primid = -1; |
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| 112 | |
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[4174] | 113 | return vss; |
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| 114 | } |
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| 115 | |
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| 116 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
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| 117 | roar_vs_t * vss = roar_vs_init(error); |
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| 118 | |
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| 119 | if ( vss == NULL ) |
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| 120 | return NULL; |
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| 121 | |
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| 122 | vss->con = con; |
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| 123 | |
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| 124 | return vss; |
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| 125 | } |
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| 126 | |
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| 127 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
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| 128 | roar_vs_t * vss = roar_vs_init(error); |
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| 129 | int ret; |
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| 130 | |
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| 131 | if ( vss == NULL ) |
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| 132 | return NULL; |
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| 133 | |
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| 134 | vss->con = &(vss->con_store); |
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| 135 | |
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[4186] | 136 | _initerr(); |
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| 137 | |
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[4174] | 138 | ret = roar_simple_connect(vss->con, (char*)server, (char*)name); |
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| 139 | |
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| 140 | if ( ret == -1 ) { |
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| 141 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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[4186] | 142 | _seterrre(); |
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[4174] | 143 | return NULL; |
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| 144 | } |
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| 145 | |
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| 146 | return vss; |
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| 147 | } |
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| 148 | |
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| 149 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
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[4206] | 150 | struct roar_stream_info sinfo; |
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[4174] | 151 | int ret; |
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| 152 | |
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[4260] | 153 | _ckvss(-1); |
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| 154 | |
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[4174] | 155 | if ( vss->flags & FLAG_STREAM ) { |
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| 156 | _seterr(ROAR_ERROR_INVAL); |
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| 157 | return -1; |
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| 158 | } |
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| 159 | |
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[4186] | 160 | _initerr(); |
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| 161 | |
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[4206] | 162 | if ( info != &(vss->info) ) |
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| 163 | memcpy(&(vss->info), info, sizeof(struct roar_audio_info)); |
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| 164 | |
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[4174] | 165 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
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| 166 | info->rate, info->channels, info->bits, info->codec, |
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| 167 | dir |
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| 168 | ); |
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| 169 | |
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| 170 | if ( ret == -1 ) { |
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[4186] | 171 | _seterrre(); |
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[4174] | 172 | return -1; |
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| 173 | } |
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| 174 | |
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[4206] | 175 | if ( roar_stream_get_info(vss->con, &(vss->stream), &sinfo) != -1 ) { |
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[4622] | 176 | // TODO: fix this: |
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| 177 | // as we currently do not support to select mixer we just check if we hit the |
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| 178 | // right one. |
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| 179 | if ( vss->mixerid != -1 && vss->mixerid != sinfo.mixer ) { |
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| 180 | _seterr(ROAR_ERROR_INVAL); // TODO: should we maybe use a diffrent value? |
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| 181 | roar_vio_close(&(vss->vio)); |
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| 182 | return -1; |
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| 183 | } |
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| 184 | |
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[4206] | 185 | vss->mixerid = sinfo.mixer; |
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| 186 | _roar_vs_find_first_prim(vss); |
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| 187 | } |
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| 188 | |
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[4174] | 189 | vss->flags |= FLAG_STREAM; |
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| 190 | |
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[4580] | 191 | switch (dir) { |
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| 192 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
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| 193 | } |
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| 194 | |
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[4174] | 195 | return 0; |
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| 196 | } |
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| 197 | |
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| 198 | 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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| 199 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 200 | int ret; |
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| 201 | |
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| 202 | if (vss == NULL) |
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| 203 | return NULL; |
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| 204 | |
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[4206] | 205 | memset(&(vss->info), 0, sizeof(vss->info)); |
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[4174] | 206 | |
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[4206] | 207 | vss->info.rate = rate; |
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| 208 | vss->info.channels = channels; |
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| 209 | vss->info.codec = codec; |
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| 210 | vss->info.bits = bits; |
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[4174] | 211 | |
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[4206] | 212 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
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[4174] | 213 | |
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| 214 | if (ret == -1) { |
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| 215 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 216 | return NULL; |
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| 217 | } |
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| 218 | |
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| 219 | return vss; |
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| 220 | } |
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| 221 | |
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[4580] | 222 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
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| 223 | _ckvss(-1); |
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| 224 | |
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| 225 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
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| 226 | _seterr(ROAR_ERROR_INVAL); |
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| 227 | return -1; |
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| 228 | } |
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| 229 | |
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| 230 | if ( vss->file != NULL ) { |
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| 231 | _seterr(ROAR_ERROR_INVAL); |
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| 232 | return -1; |
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| 233 | } |
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| 234 | |
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| 235 | vss->file = vio; |
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| 236 | if ( closefile == ROAR_VS_TRUE ) |
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| 237 | vss->flags |= FLAG_CLOSEFILE; |
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| 238 | |
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| 239 | return 0; |
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| 240 | } |
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| 241 | |
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| 242 | int roar_vs_file_simple(roar_vs_t * vss, char * filename, int * error) { |
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| 243 | struct roar_vio_defaults def; |
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| 244 | struct roar_vio_calls * file; |
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| 245 | char buf[64]; |
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| 246 | ssize_t ret; |
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| 247 | int dir = O_RDONLY; |
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[4584] | 248 | int codec = -1; |
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| 249 | const char * content_type; |
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[4580] | 250 | |
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| 251 | _ckvss(-1); |
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| 252 | |
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| 253 | if ( vss->file != NULL ) { |
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| 254 | _seterr(ROAR_ERROR_INVAL); |
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| 255 | return -1; |
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| 256 | } |
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| 257 | |
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| 258 | if ( vss->flags & FLAG_STREAM ) { |
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| 259 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
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| 260 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
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| 261 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
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| 262 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
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[4616] | 263 | default: |
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| 264 | _seterr(ROAR_ERROR_INVAL); |
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| 265 | return -1; |
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[4580] | 266 | } |
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| 267 | } |
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| 268 | |
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| 269 | file = &(vss->file_store); |
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| 270 | |
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[4618] | 271 | _initerr(); |
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[4580] | 272 | |
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[4618] | 273 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
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| 274 | _seterrre(); |
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| 275 | return -1; |
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| 276 | } |
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[4580] | 277 | |
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| 278 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
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[4618] | 279 | _seterrre(); |
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[4580] | 280 | return -1; |
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| 281 | } |
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| 282 | |
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| 283 | if ( !(vss->flags & FLAG_STREAM) ) { |
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[4584] | 284 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
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| 285 | codec = roar_mime2codec(content_type); |
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| 286 | } |
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[4580] | 287 | |
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[4584] | 288 | if ( codec == -1 ) { |
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| 289 | ret = roar_vio_read(file, buf, sizeof(buf)); |
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| 290 | |
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| 291 | codec = roar_file_codecdetect(buf, ret); |
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[4580] | 292 | |
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[4584] | 293 | if ( codec == -1 ) { |
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| 294 | roar_vio_close(file); |
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[4618] | 295 | _seterr(ROAR_ERROR_INVAL); // Other value? |
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[4584] | 296 | return -1; |
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| 297 | } |
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| 298 | |
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| 299 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
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| 300 | roar_vio_close(file); |
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[4618] | 301 | _seterrre(); |
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[4584] | 302 | return -1; |
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| 303 | } |
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[4580] | 304 | } |
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| 305 | |
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| 306 | memset(&(vss->info), 0, sizeof(vss->info)); |
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| 307 | |
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| 308 | vss->info.rate = ROAR_RATE_DEFAULT; |
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| 309 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
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| 310 | vss->info.codec = codec; |
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| 311 | vss->info.bits = ROAR_BITS_DEFAULT; |
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| 312 | |
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| 313 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
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| 314 | |
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| 315 | if ( ret == -1 ) { |
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| 316 | roar_vio_close(file); |
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| 317 | return -1; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
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| 322 | roar_vio_close(file); |
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| 323 | return -1; |
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| 324 | } |
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| 325 | |
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| 326 | return 0; |
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| 327 | } |
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| 328 | |
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| 329 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, char * filename, int * error) { |
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| 330 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 331 | |
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| 332 | if ( vss == NULL ) |
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| 333 | return NULL; |
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| 334 | |
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| 335 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
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| 336 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 337 | return NULL; |
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| 338 | } |
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| 339 | |
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| 340 | return vss; |
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| 341 | } |
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| 342 | |
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[4626] | 343 | int roar_vs_buffer(roar_vs_t * vss, size_t buffer, int * error) { |
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| 344 | _ckvss(-1); |
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| 345 | |
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| 346 | if ( vss->flags & FLAG_BUFFERED ) |
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| 347 | return -1; |
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| 348 | |
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| 349 | if ( roar_buffer_ring_new(&(vss->readring), buffer, 0) == -1 ) { |
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| 350 | _seterrre(); |
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| 351 | return -1; |
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| 352 | } |
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| 353 | |
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| 354 | if ( roar_buffer_ring_new(&(vss->writering), buffer, 0) == -1 ) { |
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| 355 | _seterrre(); |
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| 356 | roar_buffer_free(vss->readring); |
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| 357 | vss->readring = NULL; |
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| 358 | return -1; |
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| 359 | } |
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| 360 | |
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| 361 | vss->flags |= FLAG_BUFFERED; |
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| 362 | |
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| 363 | return 0; |
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| 364 | } |
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| 365 | |
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[4174] | 366 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
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[4178] | 367 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
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[4618] | 368 | _seterr(ROAR_ERROR_INVAL); |
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[4178] | 369 | return -1; |
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| 370 | } |
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| 371 | |
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[4260] | 372 | _ckvss(-1); |
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| 373 | |
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[4580] | 374 | if ( vss->readbuffer != NULL ) |
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| 375 | roar_buffer_free(vss->readbuffer); |
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| 376 | if ( vss->writebuffer != NULL ) |
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| 377 | roar_buffer_free(vss->writebuffer); |
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| 378 | |
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[4626] | 379 | if ( vss->readring != NULL ) |
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| 380 | roar_buffer_free(vss->readring); |
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| 381 | if ( vss->writering != NULL ) |
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| 382 | roar_buffer_free(vss->writering); |
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| 383 | |
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[4580] | 384 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
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| 385 | roar_vio_close(vss->file); |
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| 386 | |
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[4174] | 387 | if ( vss->flags & FLAG_STREAM ) { |
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[4178] | 388 | if ( killit == ROAR_VS_TRUE ) { |
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[4174] | 389 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
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| 390 | } |
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| 391 | |
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| 392 | roar_vio_close(&(vss->vio)); |
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| 393 | } |
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| 394 | |
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| 395 | if ( vss->con == &(vss->con_store) ) { |
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| 396 | roar_disconnect(vss->con); |
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| 397 | } |
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| 398 | |
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| 399 | roar_mm_free(vss); |
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| 400 | return 0; |
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| 401 | } |
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| 402 | |
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[4626] | 403 | static ssize_t roar_vs_write_direct(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
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| 404 | ssize_t ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
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[4174] | 405 | |
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| 406 | if ( ret == -1 ) { |
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[4199] | 407 | #ifdef EAGAIN |
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| 408 | if ( errno == EAGAIN ) |
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| 409 | return 0; |
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| 410 | #endif |
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| 411 | |
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| 412 | #ifdef EWOULDBLOCK |
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| 413 | if ( errno == EWOULDBLOCK ) |
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| 414 | return 0; |
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| 415 | #endif |
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| 416 | |
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[4186] | 417 | _seterrre(); |
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[4206] | 418 | } else { |
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| 419 | vss->writec += ret; |
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[4174] | 420 | } |
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| 421 | |
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| 422 | return ret; |
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| 423 | } |
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| 424 | |
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[4626] | 425 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
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| 426 | ssize_t ret; |
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| 427 | size_t writelen; |
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| 428 | |
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| 429 | _ckvss(-1); |
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| 430 | |
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| 431 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 432 | _seterr(ROAR_ERROR_INVAL); |
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| 433 | return -1; |
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| 434 | } |
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| 435 | |
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| 436 | _initerr(); |
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| 437 | |
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| 438 | if ( vss->flags & FLAG_BUFFERED ) { |
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| 439 | writelen = len; |
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| 440 | |
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| 441 | if ( roar_buffer_ring_write(vss->writering, (void*)buf, &writelen) == -1 ) { |
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| 442 | _seterrre(); |
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| 443 | return -1; |
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| 444 | } |
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| 445 | |
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| 446 | ret = writelen; |
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| 447 | vss->writec += ret; |
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| 448 | } else { |
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| 449 | ret = roar_vs_write_direct(vss, buf, len, error); |
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| 450 | } |
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| 451 | |
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| 452 | return ret; |
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| 453 | } |
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| 454 | |
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[4174] | 455 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
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| 456 | ssize_t ret; |
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| 457 | |
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[4260] | 458 | _ckvss(-1); |
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| 459 | |
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[4174] | 460 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 461 | _seterr(ROAR_ERROR_INVAL); |
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| 462 | return -1; |
---|
| 463 | } |
---|
| 464 | |
---|
[4186] | 465 | _initerr(); |
---|
| 466 | |
---|
[4174] | 467 | ret = roar_vio_read(&(vss->vio), buf, len); |
---|
| 468 | |
---|
| 469 | if ( ret == -1 ) { |
---|
[4186] | 470 | _seterrre(); |
---|
[4206] | 471 | } else { |
---|
| 472 | vss->readc += ret; |
---|
[4174] | 473 | } |
---|
| 474 | |
---|
| 475 | return ret; |
---|
| 476 | } |
---|
| 477 | |
---|
[4175] | 478 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
[4579] | 479 | struct roar_event waits, triggered; |
---|
| 480 | |
---|
[4260] | 481 | _ckvss(-1); |
---|
| 482 | |
---|
[4175] | 483 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 484 | _seterr(ROAR_ERROR_INVAL); |
---|
| 485 | return -1; |
---|
| 486 | } |
---|
| 487 | |
---|
[4579] | 488 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
[4175] | 489 | _seterr(ROAR_ERROR_INVAL); |
---|
| 490 | return -1; |
---|
| 491 | } |
---|
| 492 | |
---|
[4186] | 493 | _initerr(); |
---|
| 494 | |
---|
| 495 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
---|
| 496 | _seterrre(); |
---|
| 497 | return -1; |
---|
| 498 | } |
---|
[4175] | 499 | |
---|
[4579] | 500 | if ( wait == ROAR_VS_WAIT ) { |
---|
| 501 | memset(&waits, 0, sizeof(waits)); |
---|
| 502 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
| 503 | waits.emitter = -1; |
---|
| 504 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
| 505 | waits.target_type = ROAR_OT_STREAM; |
---|
| 506 | |
---|
| 507 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
| 508 | _seterrre(); |
---|
| 509 | return -1; |
---|
| 510 | } |
---|
| 511 | } |
---|
| 512 | |
---|
[4175] | 513 | return 0; |
---|
| 514 | } |
---|
| 515 | |
---|
| 516 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
| 517 | int old = -1; |
---|
| 518 | |
---|
[4260] | 519 | _ckvss(-1); |
---|
| 520 | |
---|
[4175] | 521 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 522 | _seterr(ROAR_ERROR_INVAL); |
---|
| 523 | return -1; |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
| 527 | |
---|
[4186] | 528 | _initerr(); |
---|
| 529 | |
---|
[4175] | 530 | switch (val) { |
---|
| 531 | case ROAR_VS_TRUE: |
---|
| 532 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
---|
[4186] | 533 | _seterrre(); |
---|
[4175] | 534 | return -1; |
---|
| 535 | } |
---|
| 536 | vss->flags |= FLAG_NONBLOCK; |
---|
| 537 | vss->flags -= FLAG_NONBLOCK; |
---|
| 538 | return old; |
---|
| 539 | break; |
---|
| 540 | case ROAR_VS_FALSE: |
---|
| 541 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
[4186] | 542 | _seterrre(); |
---|
[4175] | 543 | return -1; |
---|
| 544 | } |
---|
| 545 | vss->flags |= FLAG_NONBLOCK; |
---|
| 546 | return old; |
---|
| 547 | break; |
---|
| 548 | case ROAR_VS_TOGGLE: |
---|
| 549 | if ( old == ROAR_VS_TRUE ) { |
---|
| 550 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
| 551 | } else { |
---|
| 552 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
| 553 | } |
---|
| 554 | break; |
---|
| 555 | case ROAR_VS_ASK: |
---|
| 556 | return old; |
---|
| 557 | break; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | _seterr(ROAR_ERROR_INVAL); |
---|
| 561 | return -1; |
---|
| 562 | } |
---|
| 563 | |
---|
[4206] | 564 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
| 565 | struct roar_stream stream; |
---|
| 566 | struct roar_stream_info info; |
---|
| 567 | int id[ROAR_STREAMS_MAX]; |
---|
| 568 | int num; |
---|
| 569 | int i; |
---|
| 570 | |
---|
| 571 | if ( vss->first_primid != -1 ) |
---|
| 572 | return vss->first_primid; |
---|
| 573 | |
---|
| 574 | if ( vss->mixerid == -1 ) |
---|
| 575 | return -1; |
---|
| 576 | |
---|
| 577 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 578 | return -1; |
---|
| 579 | } |
---|
| 580 | |
---|
| 581 | for (i = 0; i < num; i++) { |
---|
| 582 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
| 583 | continue; |
---|
| 584 | |
---|
| 585 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
| 586 | continue; |
---|
| 587 | |
---|
| 588 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
| 589 | continue; |
---|
| 590 | |
---|
| 591 | if ( info.mixer == vss->mixerid ) { |
---|
| 592 | vss->first_primid = id[i]; |
---|
| 593 | return id[i]; |
---|
| 594 | } |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | return -1; |
---|
| 598 | } |
---|
| 599 | |
---|
| 600 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
| 601 | struct roar_stream stream; |
---|
| 602 | struct roar_stream out_stream; |
---|
| 603 | struct roar_stream_info out_info; |
---|
| 604 | size_t offset; |
---|
| 605 | |
---|
[4260] | 606 | _ckvss(-1); |
---|
| 607 | |
---|
[4206] | 608 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 609 | _seterr(ROAR_ERROR_INVAL); |
---|
| 610 | return -1; |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | _initerr(); |
---|
| 614 | |
---|
| 615 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
| 616 | _seterrre(); |
---|
| 617 | return -1; |
---|
| 618 | } |
---|
| 619 | |
---|
| 620 | switch (backend) { |
---|
| 621 | case ROAR_VS_BACKEND_NONE: |
---|
| 622 | return stream.pos; |
---|
| 623 | break; |
---|
| 624 | case ROAR_VS_BACKEND_FIRST: |
---|
| 625 | // _roar_vs_find_first_prim(vss); |
---|
| 626 | if ( vss->first_primid == -1 ) { |
---|
| 627 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 628 | return -1; |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | roar_stream_new_by_id(&out_stream, vss->first_primid); |
---|
| 632 | |
---|
| 633 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
| 634 | _seterrre(); |
---|
| 635 | return -1; |
---|
| 636 | } |
---|
| 637 | |
---|
| 638 | offset = out_info.delay * vss->info.rate; |
---|
| 639 | offset /= 1000000; |
---|
| 640 | |
---|
| 641 | return stream.pos + offset; |
---|
| 642 | break; |
---|
| 643 | default: |
---|
| 644 | _seterr(ROAR_ERROR_NOTSUP); |
---|
| 645 | return -1; |
---|
| 646 | break; |
---|
| 647 | } |
---|
| 648 | |
---|
[4186] | 649 | _seterr(ROAR_ERROR_NOSYS); |
---|
[4175] | 650 | return -1; |
---|
| 651 | } |
---|
| 652 | |
---|
[4206] | 653 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
---|
| 654 | ssize_t pos = roar_vs_position(vss, backend, error); |
---|
| 655 | ssize_t bps; // byte per sample |
---|
| 656 | size_t lioc; // local IO (byte) counter |
---|
| 657 | size_t lpos; // local possition |
---|
| 658 | roar_mus_t lag; |
---|
| 659 | |
---|
[4215] | 660 | _initerr(); |
---|
| 661 | |
---|
[4260] | 662 | _ckvss(-1); |
---|
| 663 | |
---|
[4215] | 664 | if (pos == -1) { |
---|
| 665 | _seterrre(); |
---|
| 666 | return 0; |
---|
| 667 | } |
---|
[4206] | 668 | |
---|
| 669 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 670 | _seterr(ROAR_ERROR_INVAL); |
---|
[4213] | 671 | return 0; |
---|
[4206] | 672 | } |
---|
| 673 | |
---|
| 674 | if ( vss->writec == 0 ) { |
---|
| 675 | lioc = vss->readc; |
---|
| 676 | } else { |
---|
| 677 | lioc = vss->writec; |
---|
| 678 | } |
---|
| 679 | |
---|
| 680 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 681 | |
---|
| 682 | if ( bps == -1 ) { |
---|
| 683 | _seterrre(); |
---|
[4213] | 684 | return 0; |
---|
[4206] | 685 | } |
---|
| 686 | |
---|
| 687 | lpos = lioc / bps; |
---|
| 688 | |
---|
| 689 | lag = (roar_mus_t)lpos - (roar_mus_t)pos; |
---|
| 690 | |
---|
| 691 | // we now have the lag in frames |
---|
| 692 | // return value are ms |
---|
| 693 | // so we need to multiply with 1s/ms and |
---|
| 694 | // multiply by 1/rate |
---|
| 695 | |
---|
| 696 | lag *= 1000000; // 1s/ms |
---|
| 697 | lag /= vss->info.rate; |
---|
| 698 | |
---|
[4213] | 699 | if ( lag == 0 ) { |
---|
| 700 | _seterr(ROAR_ERROR_NONE); |
---|
| 701 | } |
---|
| 702 | |
---|
[4206] | 703 | return lag; |
---|
| 704 | } |
---|
| 705 | |
---|
[4175] | 706 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
| 707 | struct roar_stream_info info; |
---|
| 708 | int old = -1; |
---|
| 709 | |
---|
[4260] | 710 | _ckvss(-1); |
---|
| 711 | |
---|
[4175] | 712 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 713 | _seterr(ROAR_ERROR_INVAL); |
---|
| 714 | return -1; |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | if ( val != ROAR_VS_ASK ) |
---|
| 718 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
| 719 | |
---|
[4186] | 720 | _initerr(); |
---|
| 721 | |
---|
[4175] | 722 | switch (val) { |
---|
| 723 | case ROAR_VS_TRUE: |
---|
| 724 | case ROAR_VS_FALSE: |
---|
| 725 | if ( roar_stream_set_flags(vss->con, &(vss->stream), flag, |
---|
| 726 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
[4186] | 727 | _seterrre(); |
---|
[4175] | 728 | return -1; |
---|
| 729 | } |
---|
| 730 | return old; |
---|
| 731 | break; |
---|
| 732 | case ROAR_VS_TOGGLE: |
---|
| 733 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
| 734 | break; |
---|
| 735 | case ROAR_VS_ASK: |
---|
| 736 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
[4186] | 737 | _seterrre(); |
---|
[4175] | 738 | return -1; |
---|
| 739 | } |
---|
| 740 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 741 | break; |
---|
| 742 | } |
---|
| 743 | |
---|
[4187] | 744 | _seterr(ROAR_ERROR_INVAL); |
---|
[4175] | 745 | return -1; |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
| 749 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
| 750 | } |
---|
| 751 | |
---|
| 752 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
| 753 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
| 754 | } |
---|
| 755 | |
---|
| 756 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
| 757 | struct roar_mixer_settings mixer; |
---|
| 758 | size_t i; |
---|
[4179] | 759 | register float s; |
---|
[4182] | 760 | int oldchannels; |
---|
| 761 | int handled; |
---|
[4175] | 762 | |
---|
[4260] | 763 | _ckvss(-1); |
---|
| 764 | |
---|
[4175] | 765 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 766 | _seterr(ROAR_ERROR_INVAL); |
---|
| 767 | return -1; |
---|
| 768 | } |
---|
| 769 | |
---|
| 770 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
| 771 | _seterr(ROAR_ERROR_INVAL); |
---|
| 772 | return -1; |
---|
| 773 | } |
---|
| 774 | |
---|
[4186] | 775 | _initerr(); |
---|
| 776 | |
---|
[4182] | 777 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
[4186] | 778 | _seterrre(); |
---|
[4182] | 779 | return -1; |
---|
| 780 | } |
---|
| 781 | |
---|
[4179] | 782 | for (i = 0; i < channels; i++) { |
---|
| 783 | s = c[i] * 65535.0; |
---|
| 784 | if ( s > 66190.0 || s < -655.0 ) { |
---|
| 785 | _seterr(ROAR_ERROR_RANGE); |
---|
| 786 | return -1; |
---|
| 787 | } else if ( s > 65535.0 ) { |
---|
| 788 | s = 65535.0; |
---|
| 789 | } else if ( s < 0.0 ) { |
---|
| 790 | s = 0.0; |
---|
| 791 | } |
---|
| 792 | mixer.mixer[i] = s; |
---|
| 793 | } |
---|
[4175] | 794 | |
---|
| 795 | mixer.scale = 65535; |
---|
[4182] | 796 | |
---|
| 797 | if ( channels != oldchannels ) { |
---|
| 798 | handled = 0; |
---|
| 799 | switch (oldchannels) { |
---|
| 800 | case 1: |
---|
| 801 | if ( channels == 2 ) { |
---|
| 802 | mixer.mixer[0] = (mixer.mixer[0] + mixer.mixer[1]) / 2; |
---|
| 803 | handled = 1; |
---|
| 804 | } |
---|
| 805 | break; |
---|
| 806 | case 2: |
---|
| 807 | if ( channels == 1 ) { |
---|
| 808 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 809 | handled = 1; |
---|
| 810 | } |
---|
| 811 | break; |
---|
| 812 | case 4: |
---|
| 813 | if ( channels == 1 ) { |
---|
| 814 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 815 | mixer.mixer[2] = mixer.mixer[0]; |
---|
| 816 | mixer.mixer[3] = mixer.mixer[0]; |
---|
| 817 | handled = 1; |
---|
| 818 | } else if ( channels == 2 ) { |
---|
| 819 | mixer.mixer[2] = mixer.mixer[0]; |
---|
| 820 | mixer.mixer[3] = mixer.mixer[1]; |
---|
| 821 | handled = 1; |
---|
| 822 | } |
---|
| 823 | break; |
---|
| 824 | } |
---|
| 825 | if ( handled ) { |
---|
| 826 | channels = oldchannels; |
---|
| 827 | } else { |
---|
| 828 | _seterr(ROAR_ERROR_INVAL); |
---|
| 829 | return -1; |
---|
| 830 | } |
---|
| 831 | } |
---|
[4175] | 832 | |
---|
| 833 | if ( roar_set_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels) == -1 ) { |
---|
[4186] | 834 | _seterrre(); |
---|
[4175] | 835 | return -1; |
---|
| 836 | } |
---|
| 837 | |
---|
| 838 | return 0; |
---|
| 839 | } |
---|
| 840 | |
---|
| 841 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
| 842 | return roar_vs_volume(vss, &c, 1, error); |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
| 846 | float c[2] = {l, r}; |
---|
| 847 | return roar_vs_volume(vss, c, 2, error); |
---|
| 848 | } |
---|
| 849 | |
---|
| 850 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
| 851 | struct roar_mixer_settings mixer; |
---|
| 852 | int channels; |
---|
| 853 | |
---|
| 854 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
| 855 | _seterr(ROAR_ERROR_INVAL); |
---|
| 856 | return -1; |
---|
| 857 | } |
---|
| 858 | |
---|
| 859 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 860 | _seterr(ROAR_ERROR_INVAL); |
---|
| 861 | return -1; |
---|
| 862 | } |
---|
| 863 | |
---|
[4186] | 864 | _initerr(); |
---|
| 865 | |
---|
[4175] | 866 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
[4186] | 867 | _seterrre(); |
---|
[4175] | 868 | return -1; |
---|
| 869 | } |
---|
| 870 | |
---|
| 871 | if ( channels == 1 ) |
---|
| 872 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 873 | |
---|
| 874 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
| 875 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
| 876 | |
---|
| 877 | return 0; |
---|
| 878 | } |
---|
| 879 | |
---|
[4176] | 880 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
| 881 | struct roar_meta meta; |
---|
| 882 | size_t i; |
---|
| 883 | int type; |
---|
[4180] | 884 | int ret = 0; |
---|
[4176] | 885 | |
---|
[4260] | 886 | _ckvss(-1); |
---|
| 887 | |
---|
[4176] | 888 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 889 | _seterr(ROAR_ERROR_INVAL); |
---|
| 890 | return -1; |
---|
| 891 | } |
---|
| 892 | |
---|
| 893 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 894 | meta.key[0] = 0; |
---|
| 895 | meta.value = NULL; |
---|
| 896 | |
---|
[4186] | 897 | _initerr(); |
---|
[4176] | 898 | |
---|
[4180] | 899 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
[4186] | 900 | _seterrre(); |
---|
[4180] | 901 | ret = -1; |
---|
| 902 | } |
---|
[4176] | 903 | |
---|
| 904 | for (i = 0; i < len; i++) { |
---|
| 905 | type = roar_meta_inttype(kv[i].key); |
---|
| 906 | meta.type = type; |
---|
| 907 | meta.value = kv[i].value; |
---|
| 908 | |
---|
[4180] | 909 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
[4186] | 910 | _seterrre(); |
---|
[4180] | 911 | ret = -1; |
---|
| 912 | } |
---|
[4176] | 913 | } |
---|
| 914 | |
---|
| 915 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 916 | meta.key[0] = 0; |
---|
| 917 | meta.value = NULL; |
---|
[4180] | 918 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
[4186] | 919 | _seterrre(); |
---|
[4180] | 920 | ret = -1; |
---|
| 921 | } |
---|
[4176] | 922 | |
---|
[4180] | 923 | return ret; |
---|
[4176] | 924 | } |
---|
[4174] | 925 | |
---|
[4212] | 926 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
[4260] | 927 | _ckvss(-1); |
---|
| 928 | |
---|
[4212] | 929 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 930 | _seterr(ROAR_ERROR_INVAL); |
---|
| 931 | return -1; |
---|
| 932 | } |
---|
| 933 | |
---|
| 934 | _initerr(); |
---|
| 935 | |
---|
| 936 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
| 937 | _seterrre(); |
---|
| 938 | return -1; |
---|
| 939 | } |
---|
| 940 | |
---|
| 941 | return 0; |
---|
| 942 | } |
---|
| 943 | |
---|
[4580] | 944 | |
---|
| 945 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
| 946 | struct roar_vio_select vios[3]; |
---|
| 947 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
| 948 | size_t len = 0; |
---|
| 949 | ssize_t i; |
---|
| 950 | ssize_t ret; |
---|
| 951 | int can_read = 0, can_write = 0; |
---|
| 952 | int can_flush_stream = 0, can_flush_file = 0; |
---|
| 953 | int is_eof = 0; |
---|
| 954 | void * data; |
---|
[4626] | 955 | size_t tmp; |
---|
| 956 | |
---|
| 957 | // TODO: fix error handling below. |
---|
[4580] | 958 | |
---|
| 959 | _ckvss(-1); |
---|
| 960 | |
---|
| 961 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
| 962 | _seterr(ROAR_ERROR_INVAL); |
---|
| 963 | return -1; |
---|
| 964 | } |
---|
| 965 | |
---|
| 966 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), &(vss->vio), ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
| 967 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
| 968 | vios[len].ud.vp = &(vss->vio); |
---|
| 969 | len++; |
---|
| 970 | |
---|
| 971 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
| 972 | vios[len].ud.vp = vss->con; |
---|
| 973 | len++; |
---|
| 974 | |
---|
| 975 | |
---|
| 976 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
| 977 | // for the moment we disable file direction and hope it will not block anyway... |
---|
| 978 | /* |
---|
| 979 | if ( vss->file != NULL ) { |
---|
| 980 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
| 981 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
| 982 | vios[len].ud.vp = vss->file; |
---|
| 983 | len++; |
---|
| 984 | } |
---|
| 985 | */ |
---|
| 986 | |
---|
| 987 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
| 988 | |
---|
| 989 | // part 2 of above hack: |
---|
| 990 | // emulate read handle. |
---|
[4626] | 991 | if ( vss->file != NULL ) { |
---|
| 992 | vios[len].ud.vp = vss->file; |
---|
| 993 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ; |
---|
| 994 | len++; |
---|
| 995 | } |
---|
[4580] | 996 | |
---|
| 997 | // no error here nor EOF. |
---|
| 998 | if ( ret == 0 ) |
---|
| 999 | return 1; |
---|
| 1000 | |
---|
| 1001 | for (i = 0; i < len; i++) { |
---|
| 1002 | if ( !vios[i].eventsa ) |
---|
| 1003 | continue; |
---|
| 1004 | |
---|
| 1005 | if ( vios[i].ud.vp == &(vss->vio) ) { |
---|
| 1006 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1007 | can_read++; |
---|
| 1008 | |
---|
| 1009 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1010 | can_write++; |
---|
| 1011 | can_flush_stream = 1; |
---|
| 1012 | } |
---|
| 1013 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
| 1014 | roar_sync(vss->con); |
---|
[4626] | 1015 | } else if ( vss->file != NULL && vios[i].ud.vp == vss->file ) { |
---|
[4580] | 1016 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1017 | can_write++; |
---|
| 1018 | |
---|
| 1019 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1020 | can_read++; |
---|
| 1021 | can_flush_file = 1; |
---|
| 1022 | } |
---|
| 1023 | } |
---|
| 1024 | } |
---|
| 1025 | |
---|
[4626] | 1026 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1027 | if ( roar_buffer_ring_avail(vss->readring, NULL, &tmp) != -1 ) |
---|
| 1028 | if ( tmp > 0 ) |
---|
| 1029 | can_read++; |
---|
| 1030 | |
---|
[4628] | 1031 | // no check here to just let the read return zero and we do EOF handling. |
---|
| 1032 | /* |
---|
[4626] | 1033 | if ( roar_buffer_ring_avail(vss->writering, &tmp, NULL) != -1 ) |
---|
| 1034 | if ( tmp > 0 ) |
---|
[4628] | 1035 | */ |
---|
[4626] | 1036 | can_write++; |
---|
| 1037 | } |
---|
| 1038 | |
---|
| 1039 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): can_read=%i, can_write=%i", vss, wait, error, can_read, can_write); |
---|
| 1040 | |
---|
[4580] | 1041 | // TODO: FIXME: Need to correct error handling here! |
---|
| 1042 | |
---|
| 1043 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
| 1044 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
| 1045 | return -1; |
---|
| 1046 | |
---|
| 1047 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
| 1048 | return -1; |
---|
| 1049 | |
---|
[4626] | 1050 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1051 | |
---|
| 1052 | if ( ret == -1 ) { |
---|
| 1053 | return -1; |
---|
| 1054 | } else if ( ret == len ) { |
---|
| 1055 | roar_buffer_free(vss->writebuffer); |
---|
| 1056 | vss->writebuffer = NULL; |
---|
| 1057 | } else { |
---|
| 1058 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1059 | return -1; |
---|
| 1060 | } |
---|
| 1061 | } |
---|
| 1062 | |
---|
| 1063 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
| 1064 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
| 1065 | return -1; |
---|
| 1066 | |
---|
| 1067 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
| 1068 | return -1; |
---|
| 1069 | |
---|
| 1070 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1071 | |
---|
| 1072 | if ( ret == -1 ) { |
---|
| 1073 | return -1; |
---|
| 1074 | } else if ( ret == len ) { |
---|
| 1075 | roar_buffer_free(vss->readbuffer); |
---|
| 1076 | vss->readbuffer = NULL; |
---|
| 1077 | } else { |
---|
| 1078 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1079 | return -1; |
---|
| 1080 | } |
---|
| 1081 | } |
---|
| 1082 | |
---|
| 1083 | #define _READ_SIZE 1024 |
---|
| 1084 | |
---|
| 1085 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
| 1086 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1087 | return -1; |
---|
| 1088 | |
---|
| 1089 | ret = roar_vs_read(vss, data, len, error); |
---|
| 1090 | |
---|
| 1091 | if ( ret == -1 ) { |
---|
| 1092 | roar_buffer_free(vss->readbuffer); |
---|
| 1093 | vss->readbuffer = NULL; |
---|
| 1094 | return -1; |
---|
| 1095 | } else if ( ret == 0 ) { |
---|
| 1096 | is_eof = 1; |
---|
| 1097 | roar_buffer_free(vss->readbuffer); |
---|
| 1098 | vss->readbuffer = NULL; |
---|
| 1099 | } else { |
---|
| 1100 | len = ret; |
---|
| 1101 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
| 1102 | return -1; |
---|
| 1103 | |
---|
[4626] | 1104 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1105 | tmp = len; |
---|
| 1106 | if ( roar_buffer_ring_write(vss->readring, data, &tmp) == -1 ) { |
---|
| 1107 | ret = -1; |
---|
| 1108 | } else { |
---|
| 1109 | ret = tmp; |
---|
| 1110 | } |
---|
| 1111 | } else { |
---|
| 1112 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1113 | } |
---|
[4580] | 1114 | |
---|
| 1115 | if ( ret == -1 ) { |
---|
| 1116 | return -1; |
---|
| 1117 | } else if ( ret == len ) { |
---|
| 1118 | roar_buffer_free(vss->readbuffer); |
---|
| 1119 | vss->readbuffer = NULL; |
---|
| 1120 | } else { |
---|
| 1121 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1122 | return -1; |
---|
| 1123 | } |
---|
| 1124 | } |
---|
| 1125 | } |
---|
| 1126 | |
---|
| 1127 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
| 1128 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1129 | return -1; |
---|
| 1130 | |
---|
[4626] | 1131 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1132 | tmp = len; |
---|
| 1133 | if ( roar_buffer_ring_read(vss->writering, data, &tmp) == -1 ) { |
---|
| 1134 | ret = -1; |
---|
| 1135 | } else { |
---|
| 1136 | ret = tmp; |
---|
| 1137 | } |
---|
| 1138 | } else { |
---|
| 1139 | ret = roar_vio_read(vss->file, data, len); |
---|
| 1140 | } |
---|
[4580] | 1141 | |
---|
[4581] | 1142 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
| 1143 | |
---|
[4580] | 1144 | if ( ret == -1 ) { |
---|
[4581] | 1145 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1146 | |
---|
[4580] | 1147 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1148 | vss->writebuffer = NULL; |
---|
[4580] | 1149 | return -1; |
---|
| 1150 | } else if ( ret == 0 ) { |
---|
[4581] | 1151 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1152 | |
---|
[4580] | 1153 | is_eof = 1; |
---|
| 1154 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1155 | vss->writebuffer = NULL; |
---|
[4580] | 1156 | } else { |
---|
[4581] | 1157 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1158 | |
---|
[4580] | 1159 | if ( len != ret ) { |
---|
| 1160 | len = ret; |
---|
[4581] | 1161 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
[4580] | 1162 | return -1; |
---|
| 1163 | } |
---|
| 1164 | |
---|
[4581] | 1165 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1166 | |
---|
[4626] | 1167 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1168 | |
---|
| 1169 | if ( ret == -1 ) { |
---|
| 1170 | return -1; |
---|
| 1171 | } else if ( ret == len ) { |
---|
| 1172 | roar_buffer_free(vss->writebuffer); |
---|
| 1173 | vss->writebuffer = NULL; |
---|
| 1174 | } else { |
---|
| 1175 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1176 | return -1; |
---|
| 1177 | } |
---|
| 1178 | } |
---|
| 1179 | } |
---|
| 1180 | |
---|
| 1181 | return is_eof ? 0 : 1; |
---|
| 1182 | } |
---|
| 1183 | |
---|
| 1184 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
| 1185 | int ret; |
---|
| 1186 | |
---|
| 1187 | _ckvss(-1); |
---|
| 1188 | |
---|
| 1189 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
| 1190 | |
---|
[4581] | 1191 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
| 1192 | |
---|
[4580] | 1193 | if ( ret == 0 ) { |
---|
| 1194 | // flush buffers: |
---|
| 1195 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
| 1196 | } |
---|
| 1197 | |
---|
[4581] | 1198 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
| 1199 | return -1; |
---|
| 1200 | |
---|
[4580] | 1201 | return ret; |
---|
| 1202 | } |
---|
| 1203 | |
---|
[4626] | 1204 | ssize_t roar_vs_get_avail_read(roar_vs_t * vss, int * error) { |
---|
| 1205 | size_t len; |
---|
| 1206 | |
---|
| 1207 | _ckvss(-1); |
---|
| 1208 | |
---|
| 1209 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1210 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1211 | return -1; |
---|
| 1212 | } |
---|
| 1213 | |
---|
| 1214 | if ( roar_buffer_ring_avail(vss->readring, &len, NULL) == -1 ) { |
---|
| 1215 | _seterrre(); |
---|
| 1216 | return -1; |
---|
| 1217 | } |
---|
| 1218 | |
---|
| 1219 | return len; |
---|
| 1220 | } |
---|
| 1221 | |
---|
| 1222 | ssize_t roar_vs_get_avail_write(roar_vs_t * vss, int * error) { |
---|
| 1223 | size_t len; |
---|
| 1224 | |
---|
| 1225 | _ckvss(-1); |
---|
| 1226 | |
---|
| 1227 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1228 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1229 | return -1; |
---|
| 1230 | } |
---|
| 1231 | |
---|
| 1232 | if ( roar_buffer_ring_avail(vss->writering, NULL, &len) == -1 ) { |
---|
| 1233 | _seterrre(); |
---|
| 1234 | return -1; |
---|
| 1235 | } |
---|
| 1236 | |
---|
| 1237 | return len; |
---|
| 1238 | } |
---|
| 1239 | |
---|
[4629] | 1240 | int roar_vs_reset_buffer(roar_vs_t * vss, int writering, int readring, int * error) { |
---|
| 1241 | _ckvss(-1); |
---|
| 1242 | |
---|
| 1243 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1244 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1245 | return -1; |
---|
| 1246 | } |
---|
| 1247 | |
---|
| 1248 | if ( writering != ROAR_VS_TRUE || writering != ROAR_VS_FALSE || |
---|
| 1249 | readring != ROAR_VS_TRUE || readring != ROAR_VS_FALSE ) { |
---|
| 1250 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1251 | return -1; |
---|
| 1252 | } |
---|
| 1253 | |
---|
| 1254 | if ( writering ) { |
---|
| 1255 | if ( roar_buffer_ring_reset(vss->writering) == -1 ) { |
---|
| 1256 | _seterrre(); |
---|
| 1257 | return -1; |
---|
| 1258 | } |
---|
| 1259 | } |
---|
| 1260 | |
---|
| 1261 | if ( readring ) { |
---|
| 1262 | if ( roar_buffer_ring_reset(vss->readring) == -1 ) { |
---|
| 1263 | _seterrre(); |
---|
| 1264 | return -1; |
---|
| 1265 | } |
---|
| 1266 | } |
---|
| 1267 | |
---|
| 1268 | return 0; |
---|
| 1269 | } |
---|
| 1270 | |
---|
[4622] | 1271 | int roar_vs_ctl (roar_vs_t * vss, roar_vs_ctlcmd cmd, void * argp, int * error) { |
---|
| 1272 | _ckvss(-1); |
---|
| 1273 | |
---|
| 1274 | switch (cmd) { |
---|
| 1275 | case ROAR_VS_CMD_NOOP: |
---|
| 1276 | break; |
---|
| 1277 | case ROAR_VS_CMD_SET_MIXER: |
---|
| 1278 | vss->mixerid = *(int*)argp; |
---|
| 1279 | break; |
---|
| 1280 | case ROAR_VS_CMD_GET_MIXER: |
---|
| 1281 | *(int*)argp = vss->mixerid; |
---|
| 1282 | break; |
---|
| 1283 | case ROAR_VS_CMD_SET_FIRST_PRIM: |
---|
| 1284 | vss->first_primid = *(int*)argp; |
---|
| 1285 | break; |
---|
| 1286 | case ROAR_VS_CMD_GET_FIRST_PRIM: |
---|
| 1287 | *(int*)argp = vss->first_primid; |
---|
| 1288 | break; |
---|
| 1289 | } |
---|
| 1290 | |
---|
| 1291 | return 0; |
---|
| 1292 | } |
---|
[4580] | 1293 | |
---|
[4183] | 1294 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
---|
[4260] | 1295 | _ckvss(NULL); |
---|
| 1296 | |
---|
[4183] | 1297 | return vss->con; |
---|
| 1298 | } |
---|
| 1299 | |
---|
| 1300 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1301 | _ckvss(NULL); |
---|
| 1302 | |
---|
[4183] | 1303 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1304 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1305 | return NULL; |
---|
[4183] | 1306 | } |
---|
| 1307 | |
---|
| 1308 | return &(vss->stream); |
---|
| 1309 | } |
---|
| 1310 | |
---|
| 1311 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1312 | _ckvss(NULL); |
---|
| 1313 | |
---|
[4183] | 1314 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1315 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1316 | return NULL; |
---|
[4183] | 1317 | } |
---|
| 1318 | |
---|
| 1319 | return &(vss->vio); |
---|
| 1320 | } |
---|
| 1321 | |
---|
[4173] | 1322 | //ll |
---|