[4173] | 1 | //vs.c: |
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| 2 | |
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| 3 | /* |
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[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011 |
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[4173] | 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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[4719] | 38 | #if defined(ROAR_HAVE_GETSOCKOPT) && defined(ROAR_HAVE_SETSOCKOPT) |
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| 39 | #define _HAVE_SOCKOPT |
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| 40 | #endif |
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| 41 | |
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[4580] | 42 | #define FLAG_NONE 0x0000 |
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| 43 | #define FLAG_STREAM 0x0001 |
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| 44 | #define FLAG_NONBLOCK 0x0002 |
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| 45 | #define FLAG_BUFFERED 0x0004 |
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| 46 | #define FLAG_CLOSEFILE 0x0008 |
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| 47 | #define FLAG_DIR_IN 0x1000 |
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| 48 | #define FLAG_DIR_OUT 0x2000 |
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[4174] | 49 | |
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[4186] | 50 | #define _initerr() do { errno = 0; roar_err_clear(); } while(0) |
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[4630] | 51 | #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] | 52 | #define _seterrre() do { _seterr(roar_errno); } while(0) |
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| 53 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_errno); } while(0) |
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[4260] | 54 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_INVAL); return (ret); } } while(0) |
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[4174] | 55 | |
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| 56 | struct roar_vs { |
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| 57 | int flags; |
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| 58 | struct roar_connection con_store; |
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| 59 | struct roar_connection * con; |
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| 60 | struct roar_stream stream; |
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| 61 | struct roar_vio_calls vio; |
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[4206] | 62 | struct roar_audio_info info; |
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| 63 | size_t readc, writec; |
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| 64 | int mixerid; |
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| 65 | int first_primid; |
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[4580] | 66 | struct roar_buffer * readbuffer, * writebuffer; |
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| 67 | struct roar_vio_calls file_store; |
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| 68 | struct roar_vio_calls * file; |
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[4626] | 69 | struct roar_buffer * readring, * writering; |
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[4719] | 70 | #ifdef _HAVE_SOCKOPT |
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| 71 | struct { |
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| 72 | float target; |
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| 73 | float window; |
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| 74 | float minlag; |
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| 75 | float p; |
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| 76 | } latc; |
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| 77 | #endif |
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[4174] | 78 | }; |
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| 79 | |
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[4206] | 80 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
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| 81 | |
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[4174] | 82 | const char * roar_vs_strerr(int error) { |
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[4793] | 83 | const char * ret = roar_error2str(error); |
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[4174] | 84 | |
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[4793] | 85 | if ( ret == NULL ) |
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| 86 | return "(unknown)"; |
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[4174] | 87 | |
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[4793] | 88 | return ret; |
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[4174] | 89 | } |
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| 90 | |
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| 91 | static roar_vs_t * roar_vs_init(int * error) { |
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| 92 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
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| 93 | |
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| 94 | if ( vss == NULL ) { |
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[4186] | 95 | _seterrse(); |
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[4174] | 96 | return NULL; |
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| 97 | } |
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| 98 | |
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| 99 | memset(vss, 0, sizeof(roar_vs_t)); |
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| 100 | |
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[4206] | 101 | vss->mixerid = -1; |
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| 102 | vss->first_primid = -1; |
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| 103 | |
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[4719] | 104 | #ifdef _HAVE_SOCKOPT |
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| 105 | vss->latc.target = -2.; // must be less than latc.minlag! |
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| 106 | vss->latc.window = -1.; |
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| 107 | vss->latc.minlag = -1.; |
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| 108 | vss->latc.p = 0.005; |
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| 109 | #endif |
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| 110 | |
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[4174] | 111 | return vss; |
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| 112 | } |
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| 113 | |
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| 114 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
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| 115 | roar_vs_t * vss = roar_vs_init(error); |
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| 116 | |
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| 117 | if ( vss == NULL ) |
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| 118 | return NULL; |
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| 119 | |
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| 120 | vss->con = con; |
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| 121 | |
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| 122 | return vss; |
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| 123 | } |
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| 124 | |
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| 125 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
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| 126 | roar_vs_t * vss = roar_vs_init(error); |
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| 127 | int ret; |
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| 128 | |
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| 129 | if ( vss == NULL ) |
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| 130 | return NULL; |
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| 131 | |
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| 132 | vss->con = &(vss->con_store); |
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| 133 | |
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[4186] | 134 | _initerr(); |
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| 135 | |
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[4174] | 136 | ret = roar_simple_connect(vss->con, (char*)server, (char*)name); |
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| 137 | |
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| 138 | if ( ret == -1 ) { |
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| 139 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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[4186] | 140 | _seterrre(); |
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[4174] | 141 | return NULL; |
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| 142 | } |
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| 143 | |
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| 144 | return vss; |
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| 145 | } |
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| 146 | |
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| 147 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
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[4206] | 148 | struct roar_stream_info sinfo; |
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[4174] | 149 | int ret; |
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| 150 | |
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[4260] | 151 | _ckvss(-1); |
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| 152 | |
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[4174] | 153 | if ( vss->flags & FLAG_STREAM ) { |
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| 154 | _seterr(ROAR_ERROR_INVAL); |
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| 155 | return -1; |
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| 156 | } |
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| 157 | |
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[4186] | 158 | _initerr(); |
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| 159 | |
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[4206] | 160 | if ( info != &(vss->info) ) |
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| 161 | memcpy(&(vss->info), info, sizeof(struct roar_audio_info)); |
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| 162 | |
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[4174] | 163 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
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| 164 | info->rate, info->channels, info->bits, info->codec, |
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| 165 | dir |
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| 166 | ); |
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| 167 | |
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| 168 | if ( ret == -1 ) { |
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[4186] | 169 | _seterrre(); |
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[4174] | 170 | return -1; |
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| 171 | } |
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| 172 | |
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[4206] | 173 | if ( roar_stream_get_info(vss->con, &(vss->stream), &sinfo) != -1 ) { |
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[4622] | 174 | // TODO: fix this: |
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| 175 | // as we currently do not support to select mixer we just check if we hit the |
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| 176 | // right one. |
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| 177 | if ( vss->mixerid != -1 && vss->mixerid != sinfo.mixer ) { |
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| 178 | _seterr(ROAR_ERROR_INVAL); // TODO: should we maybe use a diffrent value? |
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| 179 | roar_vio_close(&(vss->vio)); |
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| 180 | return -1; |
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| 181 | } |
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| 182 | |
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[4206] | 183 | vss->mixerid = sinfo.mixer; |
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| 184 | _roar_vs_find_first_prim(vss); |
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| 185 | } |
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| 186 | |
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[4174] | 187 | vss->flags |= FLAG_STREAM; |
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| 188 | |
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[4580] | 189 | switch (dir) { |
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| 190 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
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| 191 | } |
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| 192 | |
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[4174] | 193 | return 0; |
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| 194 | } |
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| 195 | |
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| 196 | 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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| 197 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 198 | int ret; |
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| 199 | |
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| 200 | if (vss == NULL) |
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| 201 | return NULL; |
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| 202 | |
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[4206] | 203 | memset(&(vss->info), 0, sizeof(vss->info)); |
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[4174] | 204 | |
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[4206] | 205 | vss->info.rate = rate; |
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| 206 | vss->info.channels = channels; |
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| 207 | vss->info.codec = codec; |
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| 208 | vss->info.bits = bits; |
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[4174] | 209 | |
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[4206] | 210 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
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[4174] | 211 | |
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| 212 | if (ret == -1) { |
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| 213 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 214 | return NULL; |
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| 215 | } |
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| 216 | |
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| 217 | return vss; |
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| 218 | } |
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| 219 | |
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[4580] | 220 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
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| 221 | _ckvss(-1); |
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| 222 | |
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| 223 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
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| 224 | _seterr(ROAR_ERROR_INVAL); |
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| 225 | return -1; |
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| 226 | } |
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| 227 | |
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| 228 | if ( vss->file != NULL ) { |
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| 229 | _seterr(ROAR_ERROR_INVAL); |
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| 230 | return -1; |
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| 231 | } |
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| 232 | |
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| 233 | vss->file = vio; |
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| 234 | if ( closefile == ROAR_VS_TRUE ) |
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| 235 | vss->flags |= FLAG_CLOSEFILE; |
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| 236 | |
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| 237 | return 0; |
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| 238 | } |
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| 239 | |
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| 240 | int roar_vs_file_simple(roar_vs_t * vss, char * filename, int * error) { |
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| 241 | struct roar_vio_defaults def; |
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| 242 | struct roar_vio_calls * file; |
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| 243 | char buf[64]; |
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| 244 | ssize_t ret; |
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| 245 | int dir = O_RDONLY; |
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[4584] | 246 | int codec = -1; |
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| 247 | const char * content_type; |
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[4580] | 248 | |
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| 249 | _ckvss(-1); |
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| 250 | |
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| 251 | if ( vss->file != NULL ) { |
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| 252 | _seterr(ROAR_ERROR_INVAL); |
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| 253 | return -1; |
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| 254 | } |
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| 255 | |
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| 256 | if ( vss->flags & FLAG_STREAM ) { |
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| 257 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
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| 258 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
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| 259 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
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| 260 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
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[4616] | 261 | default: |
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| 262 | _seterr(ROAR_ERROR_INVAL); |
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| 263 | return -1; |
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[4580] | 264 | } |
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| 265 | } |
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| 266 | |
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| 267 | file = &(vss->file_store); |
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| 268 | |
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[4618] | 269 | _initerr(); |
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[4580] | 270 | |
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[4618] | 271 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
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| 272 | _seterrre(); |
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| 273 | return -1; |
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| 274 | } |
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[4580] | 275 | |
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| 276 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
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[4618] | 277 | _seterrre(); |
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[4580] | 278 | return -1; |
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| 279 | } |
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| 280 | |
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| 281 | if ( !(vss->flags & FLAG_STREAM) ) { |
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[4584] | 282 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
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| 283 | codec = roar_mime2codec(content_type); |
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| 284 | } |
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[4580] | 285 | |
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[4584] | 286 | if ( codec == -1 ) { |
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| 287 | ret = roar_vio_read(file, buf, sizeof(buf)); |
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| 288 | |
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| 289 | codec = roar_file_codecdetect(buf, ret); |
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[4580] | 290 | |
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[4584] | 291 | if ( codec == -1 ) { |
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| 292 | roar_vio_close(file); |
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[4618] | 293 | _seterr(ROAR_ERROR_INVAL); // Other value? |
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[4584] | 294 | return -1; |
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| 295 | } |
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| 296 | |
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| 297 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
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| 298 | roar_vio_close(file); |
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[4618] | 299 | _seterrre(); |
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[4584] | 300 | return -1; |
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| 301 | } |
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[4580] | 302 | } |
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| 303 | |
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| 304 | memset(&(vss->info), 0, sizeof(vss->info)); |
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| 305 | |
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| 306 | vss->info.rate = ROAR_RATE_DEFAULT; |
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| 307 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
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| 308 | vss->info.codec = codec; |
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| 309 | vss->info.bits = ROAR_BITS_DEFAULT; |
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| 310 | |
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| 311 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
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| 312 | |
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| 313 | if ( ret == -1 ) { |
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| 314 | roar_vio_close(file); |
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| 315 | return -1; |
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| 316 | } |
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| 317 | } |
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| 318 | |
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| 319 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
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| 320 | roar_vio_close(file); |
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| 321 | return -1; |
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| 322 | } |
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| 323 | |
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| 324 | return 0; |
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| 325 | } |
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| 326 | |
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| 327 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, char * filename, int * error) { |
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| 328 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 329 | |
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| 330 | if ( vss == NULL ) |
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| 331 | return NULL; |
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| 332 | |
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| 333 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
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| 334 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 335 | return NULL; |
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| 336 | } |
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| 337 | |
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| 338 | return vss; |
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| 339 | } |
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| 340 | |
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[4626] | 341 | int roar_vs_buffer(roar_vs_t * vss, size_t buffer, int * error) { |
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| 342 | _ckvss(-1); |
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| 343 | |
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| 344 | if ( vss->flags & FLAG_BUFFERED ) |
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| 345 | return -1; |
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| 346 | |
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| 347 | if ( roar_buffer_ring_new(&(vss->readring), buffer, 0) == -1 ) { |
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| 348 | _seterrre(); |
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| 349 | return -1; |
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| 350 | } |
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| 351 | |
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| 352 | if ( roar_buffer_ring_new(&(vss->writering), buffer, 0) == -1 ) { |
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| 353 | _seterrre(); |
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| 354 | roar_buffer_free(vss->readring); |
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| 355 | vss->readring = NULL; |
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| 356 | return -1; |
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| 357 | } |
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| 358 | |
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| 359 | vss->flags |= FLAG_BUFFERED; |
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| 360 | |
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| 361 | return 0; |
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| 362 | } |
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| 363 | |
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[4174] | 364 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
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[4178] | 365 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
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[4618] | 366 | _seterr(ROAR_ERROR_INVAL); |
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[4178] | 367 | return -1; |
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| 368 | } |
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| 369 | |
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[4260] | 370 | _ckvss(-1); |
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| 371 | |
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[4580] | 372 | if ( vss->readbuffer != NULL ) |
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| 373 | roar_buffer_free(vss->readbuffer); |
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| 374 | if ( vss->writebuffer != NULL ) |
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| 375 | roar_buffer_free(vss->writebuffer); |
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| 376 | |
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[4626] | 377 | if ( vss->readring != NULL ) |
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| 378 | roar_buffer_free(vss->readring); |
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| 379 | if ( vss->writering != NULL ) |
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| 380 | roar_buffer_free(vss->writering); |
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| 381 | |
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[4580] | 382 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
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| 383 | roar_vio_close(vss->file); |
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| 384 | |
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[4174] | 385 | if ( vss->flags & FLAG_STREAM ) { |
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[4178] | 386 | if ( killit == ROAR_VS_TRUE ) { |
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[4174] | 387 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
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| 388 | } |
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| 389 | |
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| 390 | roar_vio_close(&(vss->vio)); |
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| 391 | } |
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| 392 | |
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| 393 | if ( vss->con == &(vss->con_store) ) { |
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| 394 | roar_disconnect(vss->con); |
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| 395 | } |
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| 396 | |
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| 397 | roar_mm_free(vss); |
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| 398 | return 0; |
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| 399 | } |
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| 400 | |
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[4626] | 401 | static ssize_t roar_vs_write_direct(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
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| 402 | ssize_t ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
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[4174] | 403 | |
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| 404 | if ( ret == -1 ) { |
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[4199] | 405 | #ifdef EAGAIN |
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| 406 | if ( errno == EAGAIN ) |
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| 407 | return 0; |
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| 408 | #endif |
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| 409 | |
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| 410 | #ifdef EWOULDBLOCK |
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| 411 | if ( errno == EWOULDBLOCK ) |
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| 412 | return 0; |
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| 413 | #endif |
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| 414 | |
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[4186] | 415 | _seterrre(); |
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[4206] | 416 | } else { |
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[4717] | 417 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
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| 418 | //printf("A: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
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[4636] | 419 | vss->writec += ret; |
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[4717] | 420 | } |
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[4174] | 421 | } |
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| 422 | |
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[4717] | 423 | //printf("B: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
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[4174] | 424 | return ret; |
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| 425 | } |
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| 426 | |
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[4626] | 427 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
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| 428 | ssize_t ret; |
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| 429 | size_t writelen; |
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| 430 | |
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| 431 | _ckvss(-1); |
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| 432 | |
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| 433 | if ( !(vss->flags & FLAG_STREAM) ) { |
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| 434 | _seterr(ROAR_ERROR_INVAL); |
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| 435 | return -1; |
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| 436 | } |
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| 437 | |
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| 438 | _initerr(); |
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| 439 | |
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| 440 | if ( vss->flags & FLAG_BUFFERED ) { |
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| 441 | writelen = len; |
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| 442 | |
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| 443 | if ( roar_buffer_ring_write(vss->writering, (void*)buf, &writelen) == -1 ) { |
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| 444 | _seterrre(); |
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| 445 | return -1; |
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| 446 | } |
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| 447 | |
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| 448 | ret = writelen; |
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| 449 | vss->writec += ret; |
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| 450 | } else { |
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| 451 | ret = roar_vs_write_direct(vss, buf, len, error); |
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| 452 | } |
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| 453 | |
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| 454 | return ret; |
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| 455 | } |
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| 456 | |
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[4174] | 457 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
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| 458 | ssize_t ret; |
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| 459 | |
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[4260] | 460 | _ckvss(-1); |
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| 461 | |
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[4174] | 462 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 463 | _seterr(ROAR_ERROR_INVAL); |
---|
| 464 | return -1; |
---|
| 465 | } |
---|
| 466 | |
---|
[4186] | 467 | _initerr(); |
---|
| 468 | |
---|
[4174] | 469 | ret = roar_vio_read(&(vss->vio), buf, len); |
---|
| 470 | |
---|
| 471 | if ( ret == -1 ) { |
---|
[4186] | 472 | _seterrre(); |
---|
[4206] | 473 | } else { |
---|
| 474 | vss->readc += ret; |
---|
[4174] | 475 | } |
---|
| 476 | |
---|
| 477 | return ret; |
---|
| 478 | } |
---|
| 479 | |
---|
[4175] | 480 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
[4579] | 481 | struct roar_event waits, triggered; |
---|
| 482 | |
---|
[4260] | 483 | _ckvss(-1); |
---|
| 484 | |
---|
[4175] | 485 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 486 | _seterr(ROAR_ERROR_INVAL); |
---|
| 487 | return -1; |
---|
| 488 | } |
---|
| 489 | |
---|
[4579] | 490 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
[4175] | 491 | _seterr(ROAR_ERROR_INVAL); |
---|
| 492 | return -1; |
---|
| 493 | } |
---|
| 494 | |
---|
[4186] | 495 | _initerr(); |
---|
| 496 | |
---|
| 497 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
---|
| 498 | _seterrre(); |
---|
| 499 | return -1; |
---|
| 500 | } |
---|
[4175] | 501 | |
---|
[4579] | 502 | if ( wait == ROAR_VS_WAIT ) { |
---|
| 503 | memset(&waits, 0, sizeof(waits)); |
---|
| 504 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
| 505 | waits.emitter = -1; |
---|
| 506 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
| 507 | waits.target_type = ROAR_OT_STREAM; |
---|
| 508 | |
---|
| 509 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
| 510 | _seterrre(); |
---|
| 511 | return -1; |
---|
| 512 | } |
---|
| 513 | } |
---|
| 514 | |
---|
[4175] | 515 | return 0; |
---|
| 516 | } |
---|
| 517 | |
---|
| 518 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
| 519 | int old = -1; |
---|
| 520 | |
---|
[4260] | 521 | _ckvss(-1); |
---|
| 522 | |
---|
[4175] | 523 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 524 | _seterr(ROAR_ERROR_INVAL); |
---|
| 525 | return -1; |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
| 529 | |
---|
[4186] | 530 | _initerr(); |
---|
| 531 | |
---|
[4175] | 532 | switch (val) { |
---|
| 533 | case ROAR_VS_TRUE: |
---|
| 534 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
---|
[4186] | 535 | _seterrre(); |
---|
[4175] | 536 | return -1; |
---|
| 537 | } |
---|
| 538 | vss->flags |= FLAG_NONBLOCK; |
---|
| 539 | vss->flags -= FLAG_NONBLOCK; |
---|
| 540 | return old; |
---|
| 541 | break; |
---|
| 542 | case ROAR_VS_FALSE: |
---|
| 543 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
[4186] | 544 | _seterrre(); |
---|
[4175] | 545 | return -1; |
---|
| 546 | } |
---|
| 547 | vss->flags |= FLAG_NONBLOCK; |
---|
| 548 | return old; |
---|
| 549 | break; |
---|
| 550 | case ROAR_VS_TOGGLE: |
---|
| 551 | if ( old == ROAR_VS_TRUE ) { |
---|
| 552 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
| 553 | } else { |
---|
| 554 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
| 555 | } |
---|
| 556 | break; |
---|
| 557 | case ROAR_VS_ASK: |
---|
| 558 | return old; |
---|
| 559 | break; |
---|
| 560 | } |
---|
| 561 | |
---|
| 562 | _seterr(ROAR_ERROR_INVAL); |
---|
| 563 | return -1; |
---|
| 564 | } |
---|
| 565 | |
---|
[4206] | 566 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
| 567 | struct roar_stream stream; |
---|
| 568 | struct roar_stream_info info; |
---|
| 569 | int id[ROAR_STREAMS_MAX]; |
---|
| 570 | int num; |
---|
| 571 | int i; |
---|
| 572 | |
---|
| 573 | if ( vss->first_primid != -1 ) |
---|
| 574 | return vss->first_primid; |
---|
| 575 | |
---|
| 576 | if ( vss->mixerid == -1 ) |
---|
| 577 | return -1; |
---|
| 578 | |
---|
| 579 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 580 | return -1; |
---|
| 581 | } |
---|
| 582 | |
---|
| 583 | for (i = 0; i < num; i++) { |
---|
| 584 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
| 585 | continue; |
---|
| 586 | |
---|
| 587 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
| 588 | continue; |
---|
| 589 | |
---|
| 590 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
| 591 | continue; |
---|
| 592 | |
---|
| 593 | if ( info.mixer == vss->mixerid ) { |
---|
| 594 | vss->first_primid = id[i]; |
---|
| 595 | return id[i]; |
---|
| 596 | } |
---|
| 597 | } |
---|
| 598 | |
---|
| 599 | return -1; |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
| 603 | struct roar_stream stream; |
---|
| 604 | struct roar_stream out_stream; |
---|
| 605 | struct roar_stream_info out_info; |
---|
[4637] | 606 | size_t offset = 0; |
---|
[4206] | 607 | |
---|
[4260] | 608 | _ckvss(-1); |
---|
| 609 | |
---|
[4206] | 610 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 611 | _seterr(ROAR_ERROR_INVAL); |
---|
| 612 | return -1; |
---|
| 613 | } |
---|
| 614 | |
---|
| 615 | _initerr(); |
---|
| 616 | |
---|
| 617 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
| 618 | _seterrre(); |
---|
| 619 | return -1; |
---|
| 620 | } |
---|
| 621 | |
---|
[4638] | 622 | if ( backend == ROAR_VS_BACKEND_DEFAULT ) { |
---|
| 623 | backend = ROAR_VS_BACKEND_FIRST; |
---|
| 624 | } |
---|
| 625 | |
---|
[4206] | 626 | switch (backend) { |
---|
| 627 | case ROAR_VS_BACKEND_NONE: |
---|
| 628 | return stream.pos; |
---|
| 629 | break; |
---|
| 630 | case ROAR_VS_BACKEND_FIRST: |
---|
| 631 | if ( vss->first_primid == -1 ) { |
---|
| 632 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 633 | return -1; |
---|
| 634 | } |
---|
| 635 | |
---|
[4637] | 636 | backend = vss->first_primid; |
---|
| 637 | break; |
---|
| 638 | default: |
---|
| 639 | if ( backend < 0 ) { |
---|
| 640 | _seterr(ROAR_ERROR_INVAL); |
---|
[4206] | 641 | return -1; |
---|
| 642 | } |
---|
| 643 | break; |
---|
| 644 | } |
---|
| 645 | |
---|
[4637] | 646 | |
---|
| 647 | if ( backend >= 0 ) { |
---|
| 648 | roar_stream_new_by_id(&out_stream, backend); |
---|
| 649 | |
---|
| 650 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
| 651 | _seterrre(); |
---|
| 652 | return -1; |
---|
| 653 | } |
---|
| 654 | |
---|
| 655 | offset = out_info.delay * vss->info.rate; |
---|
| 656 | offset /= 1000000; |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | return stream.pos + offset; |
---|
[4175] | 660 | } |
---|
| 661 | |
---|
[4719] | 662 | #ifdef _HAVE_SOCKOPT |
---|
| 663 | static void roar_vs_latency_managed(roar_vs_t * vss, roar_mus_t lat) { |
---|
| 664 | struct roar_vio_sysio_sockopt sockopt; |
---|
| 665 | float tmp = ((float)lat/1000.0) - vss->latc.target; |
---|
| 666 | int val; |
---|
| 667 | |
---|
| 668 | tmp *= vss->latc.p; |
---|
| 669 | |
---|
| 670 | sockopt.level = SOL_SOCKET; |
---|
| 671 | sockopt.optname = SO_SNDBUF; |
---|
| 672 | sockopt.optval = &val; |
---|
| 673 | sockopt.optlen = sizeof(val); |
---|
| 674 | |
---|
| 675 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_GET_SYSIO_SOCKOPT, &sockopt); |
---|
| 676 | |
---|
| 677 | val /= 2; |
---|
| 678 | |
---|
| 679 | tmp = 1.0 - tmp; |
---|
| 680 | |
---|
| 681 | val = (float)val*tmp; |
---|
| 682 | |
---|
| 683 | sockopt.optlen = sizeof(val); |
---|
| 684 | |
---|
| 685 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_SET_SYSIO_SOCKOPT, &sockopt); |
---|
| 686 | } |
---|
| 687 | #endif |
---|
| 688 | |
---|
[4206] | 689 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
---|
| 690 | ssize_t pos = roar_vs_position(vss, backend, error); |
---|
| 691 | ssize_t bps; // byte per sample |
---|
| 692 | size_t lioc; // local IO (byte) counter |
---|
| 693 | size_t lpos; // local possition |
---|
[4636] | 694 | signed long long int lag; |
---|
[4206] | 695 | |
---|
[4717] | 696 | // printf("pos=%zi\n", pos); |
---|
| 697 | |
---|
[4215] | 698 | _initerr(); |
---|
| 699 | |
---|
[4260] | 700 | _ckvss(-1); |
---|
| 701 | |
---|
[4215] | 702 | if (pos == -1) { |
---|
| 703 | _seterrre(); |
---|
| 704 | return 0; |
---|
| 705 | } |
---|
[4206] | 706 | |
---|
| 707 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 708 | _seterr(ROAR_ERROR_INVAL); |
---|
[4213] | 709 | return 0; |
---|
[4206] | 710 | } |
---|
| 711 | |
---|
| 712 | if ( vss->writec == 0 ) { |
---|
| 713 | lioc = vss->readc; |
---|
| 714 | } else { |
---|
[4717] | 715 | //printf("writec=%zu\n", vss->writec); |
---|
[4206] | 716 | lioc = vss->writec; |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 720 | |
---|
| 721 | if ( bps == -1 ) { |
---|
| 722 | _seterrre(); |
---|
[4213] | 723 | return 0; |
---|
[4206] | 724 | } |
---|
| 725 | |
---|
[4636] | 726 | lpos = (lioc*8) / bps; |
---|
[4206] | 727 | |
---|
[4717] | 728 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
[4636] | 729 | |
---|
| 730 | lag = (signed long long int)lpos - (signed long long int)pos; |
---|
| 731 | lag /= vss->info.channels; |
---|
[4206] | 732 | |
---|
| 733 | // we now have the lag in frames |
---|
[4636] | 734 | // return value are mus |
---|
| 735 | // so we need to multiply with 1s/mus and |
---|
[4206] | 736 | // multiply by 1/rate |
---|
| 737 | |
---|
[4636] | 738 | lag *= 1000000; // 1s/mus |
---|
[4206] | 739 | lag /= vss->info.rate; |
---|
| 740 | |
---|
[4213] | 741 | if ( lag == 0 ) { |
---|
| 742 | _seterr(ROAR_ERROR_NONE); |
---|
| 743 | } |
---|
| 744 | |
---|
[4719] | 745 | #ifdef _HAVE_SOCKOPT |
---|
| 746 | if (vss->latc.target > vss->latc.minlag) { |
---|
| 747 | roar_vs_latency_managed(vss, lag); |
---|
| 748 | } |
---|
| 749 | #endif |
---|
| 750 | |
---|
[4206] | 751 | return lag; |
---|
| 752 | } |
---|
| 753 | |
---|
[4175] | 754 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
| 755 | struct roar_stream_info info; |
---|
| 756 | int old = -1; |
---|
| 757 | |
---|
[4260] | 758 | _ckvss(-1); |
---|
| 759 | |
---|
[4175] | 760 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 761 | _seterr(ROAR_ERROR_INVAL); |
---|
| 762 | return -1; |
---|
| 763 | } |
---|
| 764 | |
---|
| 765 | if ( val != ROAR_VS_ASK ) |
---|
| 766 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
| 767 | |
---|
[4186] | 768 | _initerr(); |
---|
| 769 | |
---|
[4175] | 770 | switch (val) { |
---|
| 771 | case ROAR_VS_TRUE: |
---|
| 772 | case ROAR_VS_FALSE: |
---|
| 773 | if ( roar_stream_set_flags(vss->con, &(vss->stream), flag, |
---|
| 774 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
[4186] | 775 | _seterrre(); |
---|
[4175] | 776 | return -1; |
---|
| 777 | } |
---|
| 778 | return old; |
---|
| 779 | break; |
---|
| 780 | case ROAR_VS_TOGGLE: |
---|
| 781 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
| 782 | break; |
---|
| 783 | case ROAR_VS_ASK: |
---|
| 784 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
[4186] | 785 | _seterrre(); |
---|
[4175] | 786 | return -1; |
---|
| 787 | } |
---|
| 788 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 789 | break; |
---|
| 790 | } |
---|
| 791 | |
---|
[4187] | 792 | _seterr(ROAR_ERROR_INVAL); |
---|
[4175] | 793 | return -1; |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
| 797 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
| 798 | } |
---|
| 799 | |
---|
| 800 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
| 801 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
| 802 | } |
---|
| 803 | |
---|
| 804 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
| 805 | struct roar_mixer_settings mixer; |
---|
| 806 | size_t i; |
---|
[4179] | 807 | register float s; |
---|
[4182] | 808 | int oldchannels; |
---|
[4740] | 809 | int mode = ROAR_SET_VOL_ALL; |
---|
[4175] | 810 | |
---|
[4260] | 811 | _ckvss(-1); |
---|
| 812 | |
---|
[4175] | 813 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 814 | _seterr(ROAR_ERROR_INVAL); |
---|
| 815 | return -1; |
---|
| 816 | } |
---|
| 817 | |
---|
| 818 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
| 819 | _seterr(ROAR_ERROR_INVAL); |
---|
| 820 | return -1; |
---|
| 821 | } |
---|
| 822 | |
---|
[4186] | 823 | _initerr(); |
---|
| 824 | |
---|
[4182] | 825 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
[4186] | 826 | _seterrre(); |
---|
[4182] | 827 | return -1; |
---|
| 828 | } |
---|
| 829 | |
---|
[4179] | 830 | for (i = 0; i < channels; i++) { |
---|
| 831 | s = c[i] * 65535.0; |
---|
| 832 | if ( s > 66190.0 || s < -655.0 ) { |
---|
| 833 | _seterr(ROAR_ERROR_RANGE); |
---|
| 834 | return -1; |
---|
| 835 | } else if ( s > 65535.0 ) { |
---|
| 836 | s = 65535.0; |
---|
| 837 | } else if ( s < 0.0 ) { |
---|
| 838 | s = 0.0; |
---|
| 839 | } |
---|
| 840 | mixer.mixer[i] = s; |
---|
| 841 | } |
---|
[4175] | 842 | |
---|
| 843 | mixer.scale = 65535; |
---|
[4182] | 844 | |
---|
[4740] | 845 | if ( channels != oldchannels ) |
---|
| 846 | mode = ROAR_SET_VOL_UNMAPPED; |
---|
| 847 | |
---|
| 848 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == 0 ) |
---|
| 849 | return 0; |
---|
| 850 | |
---|
| 851 | if ( mode == ROAR_SET_VOL_ALL ) { |
---|
| 852 | _seterrre(); |
---|
| 853 | return -1; |
---|
[4182] | 854 | } |
---|
[4175] | 855 | |
---|
[4740] | 856 | if ( roar_conv_volume(&mixer, &mixer, oldchannels, channels) == -1 ) { |
---|
| 857 | _seterrre(); |
---|
| 858 | return -1; |
---|
| 859 | } |
---|
| 860 | |
---|
| 861 | channels = oldchannels; |
---|
| 862 | mode = ROAR_SET_VOL_ALL; |
---|
| 863 | |
---|
| 864 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == -1 ) { |
---|
[4186] | 865 | _seterrre(); |
---|
[4175] | 866 | return -1; |
---|
| 867 | } |
---|
| 868 | |
---|
| 869 | return 0; |
---|
| 870 | } |
---|
| 871 | |
---|
| 872 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
| 873 | return roar_vs_volume(vss, &c, 1, error); |
---|
| 874 | } |
---|
| 875 | |
---|
| 876 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
| 877 | float c[2] = {l, r}; |
---|
| 878 | return roar_vs_volume(vss, c, 2, error); |
---|
| 879 | } |
---|
| 880 | |
---|
| 881 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
| 882 | struct roar_mixer_settings mixer; |
---|
| 883 | int channels; |
---|
| 884 | |
---|
| 885 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
| 886 | _seterr(ROAR_ERROR_INVAL); |
---|
| 887 | return -1; |
---|
| 888 | } |
---|
| 889 | |
---|
| 890 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 891 | _seterr(ROAR_ERROR_INVAL); |
---|
| 892 | return -1; |
---|
| 893 | } |
---|
| 894 | |
---|
[4186] | 895 | _initerr(); |
---|
| 896 | |
---|
[4175] | 897 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
[4186] | 898 | _seterrre(); |
---|
[4175] | 899 | return -1; |
---|
| 900 | } |
---|
| 901 | |
---|
| 902 | if ( channels == 1 ) |
---|
| 903 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 904 | |
---|
| 905 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
| 906 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
| 907 | |
---|
| 908 | return 0; |
---|
| 909 | } |
---|
| 910 | |
---|
[4176] | 911 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
| 912 | struct roar_meta meta; |
---|
| 913 | size_t i; |
---|
| 914 | int type; |
---|
[4180] | 915 | int ret = 0; |
---|
[4176] | 916 | |
---|
[4260] | 917 | _ckvss(-1); |
---|
| 918 | |
---|
[4176] | 919 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 920 | _seterr(ROAR_ERROR_INVAL); |
---|
| 921 | return -1; |
---|
| 922 | } |
---|
| 923 | |
---|
| 924 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 925 | meta.key[0] = 0; |
---|
| 926 | meta.value = NULL; |
---|
| 927 | |
---|
[4186] | 928 | _initerr(); |
---|
[4176] | 929 | |
---|
[4180] | 930 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
[4186] | 931 | _seterrre(); |
---|
[4180] | 932 | ret = -1; |
---|
| 933 | } |
---|
[4176] | 934 | |
---|
| 935 | for (i = 0; i < len; i++) { |
---|
| 936 | type = roar_meta_inttype(kv[i].key); |
---|
| 937 | meta.type = type; |
---|
| 938 | meta.value = kv[i].value; |
---|
| 939 | |
---|
[4180] | 940 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
[4186] | 941 | _seterrre(); |
---|
[4180] | 942 | ret = -1; |
---|
| 943 | } |
---|
[4176] | 944 | } |
---|
| 945 | |
---|
| 946 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 947 | meta.key[0] = 0; |
---|
| 948 | meta.value = NULL; |
---|
[4180] | 949 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
[4186] | 950 | _seterrre(); |
---|
[4180] | 951 | ret = -1; |
---|
| 952 | } |
---|
[4176] | 953 | |
---|
[4180] | 954 | return ret; |
---|
[4176] | 955 | } |
---|
[4174] | 956 | |
---|
[4212] | 957 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
[4260] | 958 | _ckvss(-1); |
---|
| 959 | |
---|
[4212] | 960 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 961 | _seterr(ROAR_ERROR_INVAL); |
---|
| 962 | return -1; |
---|
| 963 | } |
---|
| 964 | |
---|
| 965 | _initerr(); |
---|
| 966 | |
---|
| 967 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
| 968 | _seterrre(); |
---|
| 969 | return -1; |
---|
| 970 | } |
---|
| 971 | |
---|
| 972 | return 0; |
---|
| 973 | } |
---|
| 974 | |
---|
[4580] | 975 | |
---|
| 976 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
| 977 | struct roar_vio_select vios[3]; |
---|
| 978 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
| 979 | size_t len = 0; |
---|
| 980 | ssize_t i; |
---|
| 981 | ssize_t ret; |
---|
| 982 | int can_read = 0, can_write = 0; |
---|
| 983 | int can_flush_stream = 0, can_flush_file = 0; |
---|
| 984 | int is_eof = 0; |
---|
| 985 | void * data; |
---|
[4626] | 986 | size_t tmp; |
---|
| 987 | |
---|
| 988 | // TODO: fix error handling below. |
---|
[4580] | 989 | |
---|
| 990 | _ckvss(-1); |
---|
| 991 | |
---|
| 992 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
| 993 | _seterr(ROAR_ERROR_INVAL); |
---|
| 994 | return -1; |
---|
| 995 | } |
---|
| 996 | |
---|
| 997 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), &(vss->vio), ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
| 998 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
| 999 | vios[len].ud.vp = &(vss->vio); |
---|
| 1000 | len++; |
---|
| 1001 | |
---|
| 1002 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
| 1003 | vios[len].ud.vp = vss->con; |
---|
| 1004 | len++; |
---|
| 1005 | |
---|
| 1006 | |
---|
| 1007 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
| 1008 | // for the moment we disable file direction and hope it will not block anyway... |
---|
| 1009 | /* |
---|
| 1010 | if ( vss->file != NULL ) { |
---|
| 1011 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
| 1012 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
| 1013 | vios[len].ud.vp = vss->file; |
---|
| 1014 | len++; |
---|
| 1015 | } |
---|
| 1016 | */ |
---|
| 1017 | |
---|
| 1018 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
| 1019 | |
---|
| 1020 | // part 2 of above hack: |
---|
| 1021 | // emulate read handle. |
---|
[4626] | 1022 | if ( vss->file != NULL ) { |
---|
| 1023 | vios[len].ud.vp = vss->file; |
---|
| 1024 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ; |
---|
| 1025 | len++; |
---|
| 1026 | } |
---|
[4580] | 1027 | |
---|
| 1028 | // no error here nor EOF. |
---|
| 1029 | if ( ret == 0 ) |
---|
| 1030 | return 1; |
---|
| 1031 | |
---|
| 1032 | for (i = 0; i < len; i++) { |
---|
| 1033 | if ( !vios[i].eventsa ) |
---|
| 1034 | continue; |
---|
| 1035 | |
---|
| 1036 | if ( vios[i].ud.vp == &(vss->vio) ) { |
---|
| 1037 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1038 | can_read++; |
---|
| 1039 | |
---|
| 1040 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1041 | can_write++; |
---|
| 1042 | can_flush_stream = 1; |
---|
| 1043 | } |
---|
| 1044 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
| 1045 | roar_sync(vss->con); |
---|
[4626] | 1046 | } else if ( vss->file != NULL && vios[i].ud.vp == vss->file ) { |
---|
[4580] | 1047 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1048 | can_write++; |
---|
| 1049 | |
---|
| 1050 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1051 | can_read++; |
---|
| 1052 | can_flush_file = 1; |
---|
| 1053 | } |
---|
| 1054 | } |
---|
| 1055 | } |
---|
| 1056 | |
---|
[4626] | 1057 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1058 | if ( roar_buffer_ring_avail(vss->readring, NULL, &tmp) != -1 ) |
---|
| 1059 | if ( tmp > 0 ) |
---|
| 1060 | can_read++; |
---|
| 1061 | |
---|
[4628] | 1062 | // no check here to just let the read return zero and we do EOF handling. |
---|
| 1063 | /* |
---|
[4626] | 1064 | if ( roar_buffer_ring_avail(vss->writering, &tmp, NULL) != -1 ) |
---|
| 1065 | if ( tmp > 0 ) |
---|
[4628] | 1066 | */ |
---|
[4626] | 1067 | can_write++; |
---|
| 1068 | } |
---|
| 1069 | |
---|
| 1070 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): can_read=%i, can_write=%i", vss, wait, error, can_read, can_write); |
---|
| 1071 | |
---|
[4580] | 1072 | // TODO: FIXME: Need to correct error handling here! |
---|
| 1073 | |
---|
| 1074 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
| 1075 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
| 1076 | return -1; |
---|
| 1077 | |
---|
| 1078 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
| 1079 | return -1; |
---|
| 1080 | |
---|
[4626] | 1081 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1082 | |
---|
| 1083 | if ( ret == -1 ) { |
---|
| 1084 | return -1; |
---|
| 1085 | } else if ( ret == len ) { |
---|
| 1086 | roar_buffer_free(vss->writebuffer); |
---|
| 1087 | vss->writebuffer = NULL; |
---|
| 1088 | } else { |
---|
| 1089 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1090 | return -1; |
---|
| 1091 | } |
---|
| 1092 | } |
---|
| 1093 | |
---|
| 1094 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
| 1095 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
| 1096 | return -1; |
---|
| 1097 | |
---|
| 1098 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
| 1099 | return -1; |
---|
| 1100 | |
---|
| 1101 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1102 | |
---|
| 1103 | if ( ret == -1 ) { |
---|
| 1104 | return -1; |
---|
| 1105 | } else if ( ret == len ) { |
---|
| 1106 | roar_buffer_free(vss->readbuffer); |
---|
| 1107 | vss->readbuffer = NULL; |
---|
| 1108 | } else { |
---|
| 1109 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1110 | return -1; |
---|
| 1111 | } |
---|
| 1112 | } |
---|
| 1113 | |
---|
| 1114 | #define _READ_SIZE 1024 |
---|
| 1115 | |
---|
| 1116 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
| 1117 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1118 | return -1; |
---|
| 1119 | |
---|
| 1120 | ret = roar_vs_read(vss, data, len, error); |
---|
| 1121 | |
---|
| 1122 | if ( ret == -1 ) { |
---|
| 1123 | roar_buffer_free(vss->readbuffer); |
---|
| 1124 | vss->readbuffer = NULL; |
---|
| 1125 | return -1; |
---|
| 1126 | } else if ( ret == 0 ) { |
---|
| 1127 | is_eof = 1; |
---|
| 1128 | roar_buffer_free(vss->readbuffer); |
---|
| 1129 | vss->readbuffer = NULL; |
---|
| 1130 | } else { |
---|
| 1131 | len = ret; |
---|
| 1132 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
| 1133 | return -1; |
---|
| 1134 | |
---|
[4626] | 1135 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1136 | tmp = len; |
---|
| 1137 | if ( roar_buffer_ring_write(vss->readring, data, &tmp) == -1 ) { |
---|
| 1138 | ret = -1; |
---|
| 1139 | } else { |
---|
| 1140 | ret = tmp; |
---|
| 1141 | } |
---|
| 1142 | } else { |
---|
| 1143 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1144 | } |
---|
[4580] | 1145 | |
---|
| 1146 | if ( ret == -1 ) { |
---|
| 1147 | return -1; |
---|
| 1148 | } else if ( ret == len ) { |
---|
| 1149 | roar_buffer_free(vss->readbuffer); |
---|
| 1150 | vss->readbuffer = NULL; |
---|
| 1151 | } else { |
---|
| 1152 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1153 | return -1; |
---|
| 1154 | } |
---|
| 1155 | } |
---|
| 1156 | } |
---|
| 1157 | |
---|
| 1158 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
| 1159 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1160 | return -1; |
---|
| 1161 | |
---|
[4626] | 1162 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1163 | tmp = len; |
---|
| 1164 | if ( roar_buffer_ring_read(vss->writering, data, &tmp) == -1 ) { |
---|
| 1165 | ret = -1; |
---|
| 1166 | } else { |
---|
| 1167 | ret = tmp; |
---|
| 1168 | } |
---|
| 1169 | } else { |
---|
| 1170 | ret = roar_vio_read(vss->file, data, len); |
---|
| 1171 | } |
---|
[4580] | 1172 | |
---|
[4581] | 1173 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
| 1174 | |
---|
[4580] | 1175 | if ( ret == -1 ) { |
---|
[4581] | 1176 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1177 | |
---|
[4580] | 1178 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1179 | vss->writebuffer = NULL; |
---|
[4580] | 1180 | return -1; |
---|
| 1181 | } else if ( ret == 0 ) { |
---|
[4581] | 1182 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1183 | |
---|
[4580] | 1184 | is_eof = 1; |
---|
| 1185 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1186 | vss->writebuffer = NULL; |
---|
[4580] | 1187 | } else { |
---|
[4581] | 1188 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1189 | |
---|
[4580] | 1190 | if ( len != ret ) { |
---|
| 1191 | len = ret; |
---|
[4581] | 1192 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
[4580] | 1193 | return -1; |
---|
| 1194 | } |
---|
| 1195 | |
---|
[4581] | 1196 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1197 | |
---|
[4626] | 1198 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1199 | |
---|
| 1200 | if ( ret == -1 ) { |
---|
| 1201 | return -1; |
---|
| 1202 | } else if ( ret == len ) { |
---|
| 1203 | roar_buffer_free(vss->writebuffer); |
---|
| 1204 | vss->writebuffer = NULL; |
---|
| 1205 | } else { |
---|
| 1206 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1207 | return -1; |
---|
| 1208 | } |
---|
| 1209 | } |
---|
| 1210 | } |
---|
| 1211 | |
---|
[4639] | 1212 | return is_eof ? 0 : 2; |
---|
[4580] | 1213 | } |
---|
| 1214 | |
---|
| 1215 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
| 1216 | int ret; |
---|
| 1217 | |
---|
| 1218 | _ckvss(-1); |
---|
| 1219 | |
---|
| 1220 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
| 1221 | |
---|
[4581] | 1222 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
| 1223 | |
---|
[4580] | 1224 | if ( ret == 0 ) { |
---|
| 1225 | // flush buffers: |
---|
| 1226 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
| 1227 | } |
---|
| 1228 | |
---|
[4581] | 1229 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
| 1230 | return -1; |
---|
| 1231 | |
---|
[4580] | 1232 | return ret; |
---|
| 1233 | } |
---|
| 1234 | |
---|
[4626] | 1235 | ssize_t roar_vs_get_avail_read(roar_vs_t * vss, int * error) { |
---|
| 1236 | size_t len; |
---|
| 1237 | |
---|
| 1238 | _ckvss(-1); |
---|
| 1239 | |
---|
| 1240 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1241 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1242 | return -1; |
---|
| 1243 | } |
---|
| 1244 | |
---|
| 1245 | if ( roar_buffer_ring_avail(vss->readring, &len, NULL) == -1 ) { |
---|
| 1246 | _seterrre(); |
---|
| 1247 | return -1; |
---|
| 1248 | } |
---|
| 1249 | |
---|
| 1250 | return len; |
---|
| 1251 | } |
---|
| 1252 | |
---|
| 1253 | ssize_t roar_vs_get_avail_write(roar_vs_t * vss, int * error) { |
---|
| 1254 | size_t len; |
---|
| 1255 | |
---|
| 1256 | _ckvss(-1); |
---|
| 1257 | |
---|
| 1258 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1259 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1260 | return -1; |
---|
| 1261 | } |
---|
| 1262 | |
---|
| 1263 | if ( roar_buffer_ring_avail(vss->writering, NULL, &len) == -1 ) { |
---|
| 1264 | _seterrre(); |
---|
| 1265 | return -1; |
---|
| 1266 | } |
---|
| 1267 | |
---|
| 1268 | return len; |
---|
| 1269 | } |
---|
| 1270 | |
---|
[4629] | 1271 | int roar_vs_reset_buffer(roar_vs_t * vss, int writering, int readring, int * error) { |
---|
| 1272 | _ckvss(-1); |
---|
| 1273 | |
---|
| 1274 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1275 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1276 | return -1; |
---|
| 1277 | } |
---|
| 1278 | |
---|
| 1279 | if ( writering != ROAR_VS_TRUE || writering != ROAR_VS_FALSE || |
---|
| 1280 | readring != ROAR_VS_TRUE || readring != ROAR_VS_FALSE ) { |
---|
| 1281 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1282 | return -1; |
---|
| 1283 | } |
---|
| 1284 | |
---|
| 1285 | if ( writering ) { |
---|
| 1286 | if ( roar_buffer_ring_reset(vss->writering) == -1 ) { |
---|
| 1287 | _seterrre(); |
---|
| 1288 | return -1; |
---|
| 1289 | } |
---|
| 1290 | } |
---|
| 1291 | |
---|
| 1292 | if ( readring ) { |
---|
| 1293 | if ( roar_buffer_ring_reset(vss->readring) == -1 ) { |
---|
| 1294 | _seterrre(); |
---|
| 1295 | return -1; |
---|
| 1296 | } |
---|
| 1297 | } |
---|
| 1298 | |
---|
| 1299 | return 0; |
---|
| 1300 | } |
---|
| 1301 | |
---|
[4622] | 1302 | int roar_vs_ctl (roar_vs_t * vss, roar_vs_ctlcmd cmd, void * argp, int * error) { |
---|
| 1303 | _ckvss(-1); |
---|
| 1304 | |
---|
| 1305 | switch (cmd) { |
---|
| 1306 | case ROAR_VS_CMD_NOOP: |
---|
| 1307 | break; |
---|
| 1308 | case ROAR_VS_CMD_SET_MIXER: |
---|
| 1309 | vss->mixerid = *(int*)argp; |
---|
| 1310 | break; |
---|
| 1311 | case ROAR_VS_CMD_GET_MIXER: |
---|
| 1312 | *(int*)argp = vss->mixerid; |
---|
| 1313 | break; |
---|
| 1314 | case ROAR_VS_CMD_SET_FIRST_PRIM: |
---|
| 1315 | vss->first_primid = *(int*)argp; |
---|
| 1316 | break; |
---|
| 1317 | case ROAR_VS_CMD_GET_FIRST_PRIM: |
---|
| 1318 | *(int*)argp = vss->first_primid; |
---|
| 1319 | break; |
---|
[4719] | 1320 | #ifdef _HAVE_SOCKOPT |
---|
| 1321 | case ROAR_VS_CMD_SET_LATC_P: |
---|
| 1322 | vss->latc.p = *(float*)argp; |
---|
| 1323 | break; |
---|
| 1324 | case ROAR_VS_CMD_GET_LATC_P: |
---|
| 1325 | *(float*)argp = vss->latc.p; |
---|
| 1326 | break; |
---|
| 1327 | case ROAR_VS_CMD_SET_LATC_TARGET: |
---|
| 1328 | vss->latc.target = *(float*)argp; |
---|
| 1329 | break; |
---|
| 1330 | case ROAR_VS_CMD_GET_LATC_TARGET: |
---|
| 1331 | *(float*)argp = vss->latc.target; |
---|
| 1332 | break; |
---|
| 1333 | case ROAR_VS_CMD_SET_LATC_WINDOW: |
---|
| 1334 | vss->latc.window = *(float*)argp; |
---|
| 1335 | break; |
---|
| 1336 | case ROAR_VS_CMD_GET_LATC_WINDOW: |
---|
| 1337 | *(float*)argp = vss->latc.window; |
---|
| 1338 | break; |
---|
| 1339 | case ROAR_VS_CMD_SET_LATC_MINLAG: |
---|
| 1340 | vss->latc.minlag = *(float*)argp; |
---|
| 1341 | break; |
---|
| 1342 | case ROAR_VS_CMD_GET_LATC_MINLAG: |
---|
| 1343 | *(float*)argp = vss->latc.minlag; |
---|
| 1344 | break; |
---|
| 1345 | #endif |
---|
| 1346 | // use ifndef here so warnings of unhandled enum values will be shown in DEBUG mode. |
---|
| 1347 | #ifndef DEBUG |
---|
| 1348 | default: |
---|
| 1349 | return -1; |
---|
| 1350 | break; |
---|
| 1351 | #endif |
---|
[4622] | 1352 | } |
---|
| 1353 | |
---|
| 1354 | return 0; |
---|
| 1355 | } |
---|
[4580] | 1356 | |
---|
[4183] | 1357 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
---|
[4260] | 1358 | _ckvss(NULL); |
---|
| 1359 | |
---|
[4183] | 1360 | return vss->con; |
---|
| 1361 | } |
---|
| 1362 | |
---|
| 1363 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1364 | _ckvss(NULL); |
---|
| 1365 | |
---|
[4183] | 1366 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1367 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1368 | return NULL; |
---|
[4183] | 1369 | } |
---|
| 1370 | |
---|
| 1371 | return &(vss->stream); |
---|
| 1372 | } |
---|
| 1373 | |
---|
| 1374 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1375 | _ckvss(NULL); |
---|
| 1376 | |
---|
[4183] | 1377 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1378 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1379 | return NULL; |
---|
[4183] | 1380 | } |
---|
| 1381 | |
---|
| 1382 | return &(vss->vio); |
---|
| 1383 | } |
---|
| 1384 | |
---|
[4173] | 1385 | //ll |
---|