[4173] | 1 | //vs.c: |
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| 2 | |
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| 3 | /* |
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[6052] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2015 |
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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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[5068] | 42 | #define LOCAL_CLOCK ROAR_CLOCK_DEFAULT |
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[5073] | 43 | #define ASYNC_QLEN 4 |
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[5068] | 44 | |
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[4580] | 45 | #define FLAG_NONE 0x0000 |
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| 46 | #define FLAG_STREAM 0x0001 |
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| 47 | #define FLAG_NONBLOCK 0x0002 |
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| 48 | #define FLAG_BUFFERED 0x0004 |
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| 49 | #define FLAG_CLOSEFILE 0x0008 |
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[4850] | 50 | #define FLAG_FREE_VOL 0x0010 |
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[5025] | 51 | #define FLAG_DEF_PAUSE 0x0020 |
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[5262] | 52 | #define FLAG_VIO_RE 0x0040 |
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[4580] | 53 | #define FLAG_DIR_IN 0x1000 |
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| 54 | #define FLAG_DIR_OUT 0x2000 |
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[4174] | 55 | |
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[4873] | 56 | #define _initerr() roar_err_clear_all() |
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| 57 | #define _seterr(x) do { if ( error != NULL ) *error = (x); roar_err_set((x)); ROAR_DBG("roar_vs_*(*): *error=%s(%i)", roar_vs_strerr((x)), (x)); } while(0) |
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| 58 | #define _seterrre() do { _seterr(roar_error); } while(0) |
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| 59 | #define _seterrse() do { roar_err_from_errno(); _seterr(roar_error); } while(0) |
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[5198] | 60 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_FAULT); return (ret); } } while(0) |
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[5075] | 61 | #define _ckasync(ret) do { if ( _handle_async(vss, error) == -1 ) { return (ret); } } while(0) |
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[4174] | 62 | |
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| 63 | struct roar_vs { |
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| 64 | int flags; |
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| 65 | struct roar_connection con_store; |
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| 66 | struct roar_connection * con; |
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| 67 | struct roar_stream stream; |
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| 68 | struct roar_vio_calls vio; |
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[5262] | 69 | struct roar_vio_calls vio_re; |
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| 70 | struct roar_vio_calls * vio_ptr; |
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[4206] | 71 | struct roar_audio_info info; |
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| 72 | size_t readc, writec; |
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| 73 | int mixerid; |
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| 74 | int first_primid; |
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[4580] | 75 | struct roar_buffer * readbuffer, * writebuffer; |
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| 76 | struct roar_vio_calls file_store; |
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| 77 | struct roar_vio_calls * file; |
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[4626] | 78 | struct roar_buffer * readring, * writering; |
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[4719] | 79 | #ifdef _HAVE_SOCKOPT |
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| 80 | struct { |
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| 81 | float target; |
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| 82 | float window; |
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| 83 | float minlag; |
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| 84 | float p; |
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| 85 | } latc; |
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| 86 | #endif |
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[5068] | 87 | struct { |
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| 88 | ssize_t last_pos; |
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[5069] | 89 | ssize_t last_offset; |
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[5068] | 90 | struct roar_time last_time; |
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| 91 | } latmes; |
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[5071] | 92 | struct { |
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[5075] | 93 | int level; |
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[5073] | 94 | size_t lock; |
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[5071] | 95 | size_t qlen; |
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[5073] | 96 | int qcmd[ASYNC_QLEN]; |
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| 97 | int qsubcmd[ASYNC_QLEN]; |
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[5078] | 98 | int read_latency; |
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| 99 | int last_backend; |
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[5071] | 100 | } async; |
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[4174] | 101 | }; |
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| 102 | |
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[4206] | 103 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
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| 104 | |
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[5077] | 105 | static int _send_async_req(roar_vs_t * vss, int cmd, int subcmd, int stream, int * error) { |
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[5075] | 106 | struct roar_message mes; |
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| 107 | uint16_t * data = (uint16_t *) mes.data; |
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| 108 | |
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| 109 | if ( !vss->async.level ) { |
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| 110 | _seterr(ROAR_ERROR_INVAL); |
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| 111 | return -1; |
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| 112 | } |
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| 113 | |
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| 114 | if ( vss->async.lock ) { |
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| 115 | _seterr(ROAR_ERROR_BUSY); |
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| 116 | return -1; |
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| 117 | } |
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| 118 | |
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| 119 | if ( vss->async.qlen == ASYNC_QLEN ) { |
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| 120 | _seterr(ROAR_ERROR_NOSPC); |
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| 121 | return -1; |
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| 122 | } |
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| 123 | |
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| 124 | memset(&mes, 0, sizeof(mes)); |
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| 125 | |
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| 126 | mes.cmd = cmd; |
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[5077] | 127 | mes.stream = stream; |
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[5075] | 128 | mes.pos = 0; |
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| 129 | |
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| 130 | if ( cmd == ROAR_CMD_GET_STREAM_PARA && subcmd == ROAR_STREAM_PARA_INFO ) { |
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| 131 | mes.datalen = 4; |
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| 132 | data[0] = ROAR_HOST2NET16(0); // Version and reserved |
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| 133 | data[1] = ROAR_HOST2NET16(ROAR_STREAM_PARA_INFO); // stream |
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| 134 | } else if ( cmd == ROAR_CMD_GET_STREAM ) { |
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| 135 | mes.datalen = 1; |
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| 136 | mes.data[0] = mes.stream; |
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| 137 | } else { |
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| 138 | _seterr(ROAR_ERROR_NOSYS); |
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| 139 | return -1; |
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| 140 | } |
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| 141 | |
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| 142 | if ( roar_send_message(vss->con, &mes, NULL) == -1 ) { |
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| 143 | _seterrre(); |
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| 144 | return -1; |
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| 145 | } |
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| 146 | |
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| 147 | vss->async.qcmd[vss->async.qlen] = cmd; |
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| 148 | vss->async.qsubcmd[vss->async.qlen] = subcmd; |
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| 149 | vss->async.qlen++; |
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| 150 | |
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[5078] | 151 | vss->async.read_latency = 0; |
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| 152 | |
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[5075] | 153 | return 0; |
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| 154 | } |
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| 155 | |
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[5071] | 156 | static int _handle_async_req(roar_vs_t * vss, int * error) { |
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[5073] | 157 | struct roar_message mes; |
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| 158 | char * data = NULL; |
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| 159 | uint16_t * ud16 = (uint16_t *) mes.data; |
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| 160 | ssize_t offset; |
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| 161 | int cmd, subcmd; |
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[5270] | 162 | size_t i; |
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[5073] | 163 | |
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| 164 | if ( roar_recv_message(vss->con, &mes, &data) == -1 ) { |
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| 165 | _seterrre(); |
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| 166 | } |
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| 167 | |
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| 168 | cmd = vss->async.qcmd[0]; |
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| 169 | subcmd = vss->async.qsubcmd[0]; |
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| 170 | vss->async.qlen--; |
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| 171 | |
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| 172 | for (i = 1; i < ASYNC_QLEN; i++) { |
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| 173 | vss->async.qcmd[i-1] = vss->async.qcmd[i]; |
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| 174 | vss->async.qsubcmd[i-1] = vss->async.qsubcmd[i]; |
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| 175 | } |
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| 176 | |
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[5075] | 177 | //printf("mes.cmd=%i, cmd=%i, subcmd=%i\n", (int)mes.cmd, cmd, subcmd); |
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| 178 | |
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[5073] | 179 | if ( mes.cmd == ROAR_CMD_OK ) { |
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| 180 | switch (cmd) { |
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| 181 | case ROAR_CMD_GET_STREAM_PARA: |
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| 182 | if ( subcmd == ROAR_STREAM_PARA_INFO ) { |
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| 183 | if ( mes.datalen >= 16 ) { |
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| 184 | for (i = 0; i < mes.datalen/2; i++) { |
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| 185 | ud16[i] = ROAR_HOST2NET16(ud16[i]); |
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| 186 | } |
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| 187 | if ( ud16[0] == 0 || ud16[1] == 1 ) { |
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| 188 | offset = ud16[7]; |
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| 189 | offset *= 1000; |
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| 190 | offset *= vss->info.rate; |
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| 191 | offset /= 1000000; |
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| 192 | vss->latmes.last_offset = offset; |
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| 193 | } |
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| 194 | } |
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| 195 | } else { |
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[5651] | 196 | ROAR_WARN("_handle_async_req(vss=%p, error=%p): Got unexpected reply for command GET_STREAM_PARA, subcommand %i", vss, error, subcmd); |
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[5073] | 197 | } |
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| 198 | break; |
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| 199 | case ROAR_CMD_GET_STREAM: |
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[5075] | 200 | if ( roar_clock_gettime(&(vss->latmes.last_time), LOCAL_CLOCK) == -1 ) { |
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| 201 | vss->latmes.last_pos = -1; |
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| 202 | } else { |
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| 203 | vss->latmes.last_pos = mes.pos; |
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| 204 | } |
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| 205 | //printf("vss->latmes.last_pos=%li, mes.pos=%li\n", (long int)vss->latmes.last_pos, (long int)mes.pos); |
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[5073] | 206 | break; |
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| 207 | default: |
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| 208 | ROAR_WARN("_handle_async_req(vss=%p, error=%p): Got unexpected reply for command %i", vss, error, cmd); |
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[5075] | 209 | _seterr(ROAR_ERROR_NOSYS); |
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[5073] | 210 | break; |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | if ( data != NULL ) |
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[5295] | 215 | roar_mm_free(data); |
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[5073] | 216 | |
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[5075] | 217 | return 0; |
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[5071] | 218 | } |
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| 219 | |
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| 220 | static inline int _handle_async(roar_vs_t * vss, int * error) { |
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| 221 | while (vss->async.qlen) { |
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| 222 | if ( _handle_async_req(vss, error) == -1 ) { |
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| 223 | return -1; |
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| 224 | } |
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| 225 | } |
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| 226 | |
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| 227 | return 0; |
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| 228 | } |
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| 229 | |
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[5075] | 230 | static void _check_async(roar_vs_t * vss) { |
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| 231 | struct roar_vio_select vios; |
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| 232 | struct roar_vio_selecttv tv = {0, 0}; |
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| 233 | |
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| 234 | if ( !vss->async.qlen ) |
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| 235 | return; |
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| 236 | |
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| 237 | ROAR_VIO_SELECT_SETVIO(&vios, roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
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| 238 | |
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| 239 | if ( roar_vio_select(&vios, 1, &tv, NULL) < 1 ) |
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| 240 | return; |
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| 241 | |
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| 242 | if ( !(vios.eventsa & ROAR_VIO_SELECT_READ) ) |
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| 243 | return; |
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| 244 | |
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| 245 | _handle_async_req(vss, NULL); |
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| 246 | } |
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| 247 | |
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[4174] | 248 | const char * roar_vs_strerr(int error) { |
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[4793] | 249 | const char * ret = roar_error2str(error); |
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[4174] | 250 | |
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[4793] | 251 | if ( ret == NULL ) |
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| 252 | return "(unknown)"; |
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[4174] | 253 | |
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[4793] | 254 | return ret; |
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[4174] | 255 | } |
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| 256 | |
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| 257 | static roar_vs_t * roar_vs_init(int * error) { |
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| 258 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
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| 259 | |
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| 260 | if ( vss == NULL ) { |
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[4186] | 261 | _seterrse(); |
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[4174] | 262 | return NULL; |
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| 263 | } |
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| 264 | |
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| 265 | memset(vss, 0, sizeof(roar_vs_t)); |
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| 266 | |
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[5262] | 267 | vss->vio_ptr = &(vss->vio); |
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| 268 | |
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[4206] | 269 | vss->mixerid = -1; |
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| 270 | vss->first_primid = -1; |
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| 271 | |
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[4719] | 272 | #ifdef _HAVE_SOCKOPT |
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| 273 | vss->latc.target = -2.; // must be less than latc.minlag! |
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| 274 | vss->latc.window = -1.; |
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| 275 | vss->latc.minlag = -1.; |
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| 276 | vss->latc.p = 0.005; |
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| 277 | #endif |
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| 278 | |
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[5068] | 279 | vss->latmes.last_pos = -1; |
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| 280 | |
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[5078] | 281 | vss->async.last_backend = ROAR_VS_BACKEND_NONE; |
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| 282 | |
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[4174] | 283 | return vss; |
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| 284 | } |
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| 285 | |
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| 286 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
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| 287 | roar_vs_t * vss = roar_vs_init(error); |
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| 288 | |
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| 289 | if ( vss == NULL ) |
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| 290 | return NULL; |
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| 291 | |
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| 292 | vss->con = con; |
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| 293 | |
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| 294 | return vss; |
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| 295 | } |
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| 296 | |
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| 297 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
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| 298 | roar_vs_t * vss = roar_vs_init(error); |
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| 299 | int ret; |
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| 300 | |
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| 301 | if ( vss == NULL ) |
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| 302 | return NULL; |
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| 303 | |
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| 304 | vss->con = &(vss->con_store); |
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| 305 | |
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[4186] | 306 | _initerr(); |
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| 307 | |
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[5114] | 308 | ret = roar_simple_connect(vss->con, server, name); |
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[4174] | 309 | |
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| 310 | if ( ret == -1 ) { |
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| 311 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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[4186] | 312 | _seterrre(); |
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[4174] | 313 | return NULL; |
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| 314 | } |
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| 315 | |
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| 316 | return vss; |
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| 317 | } |
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| 318 | |
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| 319 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
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[4206] | 320 | struct roar_stream_info sinfo; |
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[4174] | 321 | int ret; |
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| 322 | |
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[4260] | 323 | _ckvss(-1); |
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| 324 | |
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[4174] | 325 | if ( vss->flags & FLAG_STREAM ) { |
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| 326 | _seterr(ROAR_ERROR_INVAL); |
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| 327 | return -1; |
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| 328 | } |
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| 329 | |
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[5025] | 330 | if ( dir == ROAR_DIR_FILTER ) |
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| 331 | vss->flags |= FLAG_DEF_PAUSE; |
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| 332 | |
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[4186] | 333 | _initerr(); |
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| 334 | |
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[4206] | 335 | if ( info != &(vss->info) ) |
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| 336 | memcpy(&(vss->info), info, sizeof(struct roar_audio_info)); |
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| 337 | |
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[4174] | 338 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
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| 339 | info->rate, info->channels, info->bits, info->codec, |
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[5289] | 340 | dir, vss->mixerid |
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[4174] | 341 | ); |
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| 342 | |
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[5262] | 343 | if ( roar_vio_open_re(&(vss->vio_re), &(vss->vio)) != -1 ) { |
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| 344 | vss->flags |= FLAG_VIO_RE; |
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| 345 | vss->vio_ptr = &(vss->vio_re); |
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| 346 | } |
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| 347 | |
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[4174] | 348 | if ( ret == -1 ) { |
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[4186] | 349 | _seterrre(); |
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[4174] | 350 | return -1; |
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| 351 | } |
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| 352 | |
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[5289] | 353 | if ( vss->mixerid != -1 ) { |
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| 354 | if ( roar_stream_get_info(vss->con, &(vss->stream), &sinfo) != -1 ) { |
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| 355 | vss->mixerid = sinfo.mixer; |
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[4622] | 356 | } |
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[5289] | 357 | } |
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[4622] | 358 | |
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[5289] | 359 | if ( vss->mixerid != -1 ) |
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[4206] | 360 | _roar_vs_find_first_prim(vss); |
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| 361 | |
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[4174] | 362 | vss->flags |= FLAG_STREAM; |
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| 363 | |
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[4580] | 364 | switch (dir) { |
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| 365 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
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| 366 | } |
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| 367 | |
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[4174] | 368 | return 0; |
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| 369 | } |
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| 370 | |
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| 371 | 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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| 372 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 373 | int ret; |
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| 374 | |
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| 375 | if (vss == NULL) |
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| 376 | return NULL; |
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| 377 | |
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[4206] | 378 | memset(&(vss->info), 0, sizeof(vss->info)); |
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[4174] | 379 | |
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[4206] | 380 | vss->info.rate = rate; |
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| 381 | vss->info.channels = channels; |
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| 382 | vss->info.codec = codec; |
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| 383 | vss->info.bits = bits; |
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[4174] | 384 | |
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[4206] | 385 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
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[4174] | 386 | |
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| 387 | if (ret == -1) { |
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| 388 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 389 | return NULL; |
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| 390 | } |
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| 391 | |
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| 392 | return vss; |
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| 393 | } |
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| 394 | |
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[4580] | 395 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
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| 396 | _ckvss(-1); |
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| 397 | |
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| 398 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
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| 399 | _seterr(ROAR_ERROR_INVAL); |
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| 400 | return -1; |
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| 401 | } |
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| 402 | |
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| 403 | if ( vss->file != NULL ) { |
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| 404 | _seterr(ROAR_ERROR_INVAL); |
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| 405 | return -1; |
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| 406 | } |
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| 407 | |
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| 408 | vss->file = vio; |
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| 409 | if ( closefile == ROAR_VS_TRUE ) |
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| 410 | vss->flags |= FLAG_CLOSEFILE; |
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| 411 | |
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| 412 | return 0; |
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| 413 | } |
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| 414 | |
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[5227] | 415 | int roar_vs_file_simple(roar_vs_t * vss, const char * filename, int * error) { |
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[4580] | 416 | struct roar_vio_defaults def; |
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| 417 | struct roar_vio_calls * file; |
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| 418 | char buf[64]; |
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| 419 | ssize_t ret; |
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| 420 | int dir = O_RDONLY; |
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[4584] | 421 | int codec = -1; |
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| 422 | const char * content_type; |
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[4580] | 423 | |
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| 424 | _ckvss(-1); |
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| 425 | |
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| 426 | if ( vss->file != NULL ) { |
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| 427 | _seterr(ROAR_ERROR_INVAL); |
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| 428 | return -1; |
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| 429 | } |
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| 430 | |
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| 431 | if ( vss->flags & FLAG_STREAM ) { |
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| 432 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
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| 433 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
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| 434 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
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| 435 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
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[4616] | 436 | default: |
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| 437 | _seterr(ROAR_ERROR_INVAL); |
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| 438 | return -1; |
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[4580] | 439 | } |
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| 440 | } |
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| 441 | |
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| 442 | file = &(vss->file_store); |
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| 443 | |
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[4618] | 444 | _initerr(); |
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[4580] | 445 | |
---|
[4618] | 446 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
---|
| 447 | _seterrre(); |
---|
| 448 | return -1; |
---|
| 449 | } |
---|
[4580] | 450 | |
---|
| 451 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
---|
[4618] | 452 | _seterrre(); |
---|
[4580] | 453 | return -1; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
[4584] | 457 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
---|
| 458 | codec = roar_mime2codec(content_type); |
---|
| 459 | } |
---|
[4580] | 460 | |
---|
[4584] | 461 | if ( codec == -1 ) { |
---|
| 462 | ret = roar_vio_read(file, buf, sizeof(buf)); |
---|
| 463 | |
---|
| 464 | codec = roar_file_codecdetect(buf, ret); |
---|
[4580] | 465 | |
---|
[4584] | 466 | if ( codec == -1 ) { |
---|
| 467 | roar_vio_close(file); |
---|
[4618] | 468 | _seterr(ROAR_ERROR_INVAL); // Other value? |
---|
[4584] | 469 | return -1; |
---|
| 470 | } |
---|
| 471 | |
---|
| 472 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
---|
| 473 | roar_vio_close(file); |
---|
[4618] | 474 | _seterrre(); |
---|
[4584] | 475 | return -1; |
---|
| 476 | } |
---|
[4580] | 477 | } |
---|
| 478 | |
---|
| 479 | memset(&(vss->info), 0, sizeof(vss->info)); |
---|
| 480 | |
---|
| 481 | vss->info.rate = ROAR_RATE_DEFAULT; |
---|
| 482 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
---|
| 483 | vss->info.codec = codec; |
---|
| 484 | vss->info.bits = ROAR_BITS_DEFAULT; |
---|
| 485 | |
---|
| 486 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
---|
| 487 | |
---|
| 488 | if ( ret == -1 ) { |
---|
| 489 | roar_vio_close(file); |
---|
| 490 | return -1; |
---|
| 491 | } |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
---|
| 495 | roar_vio_close(file); |
---|
| 496 | return -1; |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | return 0; |
---|
| 500 | } |
---|
| 501 | |
---|
[5227] | 502 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, const char * filename, int * error) { |
---|
[4580] | 503 | roar_vs_t * vss = roar_vs_new(server, name, error); |
---|
| 504 | |
---|
| 505 | if ( vss == NULL ) |
---|
| 506 | return NULL; |
---|
| 507 | |
---|
| 508 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
---|
| 509 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
---|
| 510 | return NULL; |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | return vss; |
---|
| 514 | } |
---|
| 515 | |
---|
[4626] | 516 | int roar_vs_buffer(roar_vs_t * vss, size_t buffer, int * error) { |
---|
| 517 | _ckvss(-1); |
---|
| 518 | |
---|
| 519 | if ( vss->flags & FLAG_BUFFERED ) |
---|
| 520 | return -1; |
---|
| 521 | |
---|
| 522 | if ( roar_buffer_ring_new(&(vss->readring), buffer, 0) == -1 ) { |
---|
| 523 | _seterrre(); |
---|
| 524 | return -1; |
---|
| 525 | } |
---|
| 526 | |
---|
| 527 | if ( roar_buffer_ring_new(&(vss->writering), buffer, 0) == -1 ) { |
---|
| 528 | _seterrre(); |
---|
| 529 | roar_buffer_free(vss->readring); |
---|
| 530 | vss->readring = NULL; |
---|
| 531 | return -1; |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | vss->flags |= FLAG_BUFFERED; |
---|
| 535 | |
---|
| 536 | return 0; |
---|
| 537 | } |
---|
| 538 | |
---|
[4174] | 539 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
---|
[4178] | 540 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
---|
[4618] | 541 | _seterr(ROAR_ERROR_INVAL); |
---|
[4178] | 542 | return -1; |
---|
| 543 | } |
---|
| 544 | |
---|
[4260] | 545 | _ckvss(-1); |
---|
[5071] | 546 | _ckasync(-1); |
---|
[4260] | 547 | |
---|
[4580] | 548 | if ( vss->readbuffer != NULL ) |
---|
| 549 | roar_buffer_free(vss->readbuffer); |
---|
| 550 | if ( vss->writebuffer != NULL ) |
---|
| 551 | roar_buffer_free(vss->writebuffer); |
---|
| 552 | |
---|
[4626] | 553 | if ( vss->readring != NULL ) |
---|
| 554 | roar_buffer_free(vss->readring); |
---|
| 555 | if ( vss->writering != NULL ) |
---|
| 556 | roar_buffer_free(vss->writering); |
---|
| 557 | |
---|
[4580] | 558 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
---|
| 559 | roar_vio_close(vss->file); |
---|
| 560 | |
---|
[4174] | 561 | if ( vss->flags & FLAG_STREAM ) { |
---|
[4178] | 562 | if ( killit == ROAR_VS_TRUE ) { |
---|
[4174] | 563 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
---|
| 564 | } |
---|
| 565 | |
---|
[5262] | 566 | roar_vio_close(vss->vio_ptr); |
---|
[4174] | 567 | } |
---|
| 568 | |
---|
| 569 | if ( vss->con == &(vss->con_store) ) { |
---|
| 570 | roar_disconnect(vss->con); |
---|
| 571 | } |
---|
| 572 | |
---|
| 573 | roar_mm_free(vss); |
---|
| 574 | return 0; |
---|
| 575 | } |
---|
| 576 | |
---|
[4626] | 577 | static ssize_t roar_vs_write_direct(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
[5262] | 578 | ssize_t ret = roar_vio_write(vss->vio_ptr, (void*)buf, len); |
---|
[4174] | 579 | |
---|
| 580 | if ( ret == -1 ) { |
---|
[4199] | 581 | #ifdef EAGAIN |
---|
[4873] | 582 | if ( roar_error == ROAR_ERROR_AGAIN ) |
---|
[4199] | 583 | return 0; |
---|
| 584 | #endif |
---|
| 585 | |
---|
[4186] | 586 | _seterrre(); |
---|
[4206] | 587 | } else { |
---|
[4717] | 588 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 589 | //printf("A: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
[4636] | 590 | vss->writec += ret; |
---|
[4717] | 591 | } |
---|
[4174] | 592 | } |
---|
| 593 | |
---|
[4717] | 594 | //printf("B: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
[4174] | 595 | return ret; |
---|
| 596 | } |
---|
| 597 | |
---|
[4626] | 598 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
| 599 | ssize_t ret; |
---|
| 600 | size_t writelen; |
---|
| 601 | |
---|
| 602 | _ckvss(-1); |
---|
| 603 | |
---|
| 604 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 605 | _seterr(ROAR_ERROR_INVAL); |
---|
| 606 | return -1; |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | _initerr(); |
---|
| 610 | |
---|
| 611 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 612 | writelen = len; |
---|
| 613 | |
---|
| 614 | if ( roar_buffer_ring_write(vss->writering, (void*)buf, &writelen) == -1 ) { |
---|
| 615 | _seterrre(); |
---|
| 616 | return -1; |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | ret = writelen; |
---|
| 620 | vss->writec += ret; |
---|
| 621 | } else { |
---|
| 622 | ret = roar_vs_write_direct(vss, buf, len, error); |
---|
| 623 | } |
---|
| 624 | |
---|
| 625 | return ret; |
---|
| 626 | } |
---|
| 627 | |
---|
[4174] | 628 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
---|
| 629 | ssize_t ret; |
---|
| 630 | |
---|
[4260] | 631 | _ckvss(-1); |
---|
| 632 | |
---|
[4174] | 633 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 634 | _seterr(ROAR_ERROR_INVAL); |
---|
| 635 | return -1; |
---|
| 636 | } |
---|
| 637 | |
---|
[4186] | 638 | _initerr(); |
---|
| 639 | |
---|
[5262] | 640 | ret = roar_vio_read(vss->vio_ptr, buf, len); |
---|
[4174] | 641 | |
---|
| 642 | if ( ret == -1 ) { |
---|
[4186] | 643 | _seterrre(); |
---|
[4206] | 644 | } else { |
---|
| 645 | vss->readc += ret; |
---|
[4174] | 646 | } |
---|
| 647 | |
---|
| 648 | return ret; |
---|
| 649 | } |
---|
| 650 | |
---|
[4175] | 651 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
[4579] | 652 | struct roar_event waits, triggered; |
---|
| 653 | |
---|
[4260] | 654 | _ckvss(-1); |
---|
| 655 | |
---|
[4175] | 656 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 657 | _seterr(ROAR_ERROR_INVAL); |
---|
| 658 | return -1; |
---|
| 659 | } |
---|
| 660 | |
---|
[4579] | 661 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
[4175] | 662 | _seterr(ROAR_ERROR_INVAL); |
---|
| 663 | return -1; |
---|
| 664 | } |
---|
| 665 | |
---|
[4186] | 666 | _initerr(); |
---|
| 667 | |
---|
[5262] | 668 | if ( roar_vio_sync(vss->vio_ptr) == -1 ) { |
---|
[4186] | 669 | _seterrre(); |
---|
| 670 | return -1; |
---|
| 671 | } |
---|
[4175] | 672 | |
---|
[4579] | 673 | if ( wait == ROAR_VS_WAIT ) { |
---|
[5071] | 674 | _ckasync(-1); |
---|
| 675 | |
---|
[4579] | 676 | memset(&waits, 0, sizeof(waits)); |
---|
| 677 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
| 678 | waits.emitter = -1; |
---|
| 679 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
| 680 | waits.target_type = ROAR_OT_STREAM; |
---|
| 681 | |
---|
| 682 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
| 683 | _seterrre(); |
---|
| 684 | return -1; |
---|
| 685 | } |
---|
| 686 | } |
---|
| 687 | |
---|
[4175] | 688 | return 0; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
| 692 | int old = -1; |
---|
| 693 | |
---|
[4260] | 694 | _ckvss(-1); |
---|
| 695 | |
---|
[4175] | 696 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 697 | _seterr(ROAR_ERROR_INVAL); |
---|
| 698 | return -1; |
---|
| 699 | } |
---|
| 700 | |
---|
| 701 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
| 702 | |
---|
[4186] | 703 | _initerr(); |
---|
| 704 | |
---|
[4175] | 705 | switch (val) { |
---|
| 706 | case ROAR_VS_TRUE: |
---|
[5262] | 707 | if ( roar_vio_nonblock(vss->vio_ptr, ROAR_SOCKET_BLOCK) == -1 ) { |
---|
[4186] | 708 | _seterrre(); |
---|
[4175] | 709 | return -1; |
---|
| 710 | } |
---|
| 711 | vss->flags |= FLAG_NONBLOCK; |
---|
| 712 | vss->flags -= FLAG_NONBLOCK; |
---|
| 713 | return old; |
---|
| 714 | break; |
---|
| 715 | case ROAR_VS_FALSE: |
---|
[5262] | 716 | if ( roar_vio_nonblock(vss->vio_ptr, ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
[4186] | 717 | _seterrre(); |
---|
[4175] | 718 | return -1; |
---|
| 719 | } |
---|
| 720 | vss->flags |= FLAG_NONBLOCK; |
---|
| 721 | return old; |
---|
| 722 | break; |
---|
| 723 | case ROAR_VS_TOGGLE: |
---|
| 724 | if ( old == ROAR_VS_TRUE ) { |
---|
| 725 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
| 726 | } else { |
---|
| 727 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
| 728 | } |
---|
| 729 | break; |
---|
| 730 | case ROAR_VS_ASK: |
---|
| 731 | return old; |
---|
| 732 | break; |
---|
| 733 | } |
---|
| 734 | |
---|
| 735 | _seterr(ROAR_ERROR_INVAL); |
---|
| 736 | return -1; |
---|
| 737 | } |
---|
| 738 | |
---|
[4206] | 739 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
| 740 | struct roar_stream stream; |
---|
| 741 | struct roar_stream_info info; |
---|
| 742 | int id[ROAR_STREAMS_MAX]; |
---|
| 743 | int num; |
---|
| 744 | int i; |
---|
[5071] | 745 | int * error = NULL; // needed for _ckasync() macro |
---|
| 746 | |
---|
| 747 | _ckasync(-1); |
---|
[4206] | 748 | |
---|
| 749 | if ( vss->first_primid != -1 ) |
---|
| 750 | return vss->first_primid; |
---|
| 751 | |
---|
| 752 | if ( vss->mixerid == -1 ) |
---|
| 753 | return -1; |
---|
| 754 | |
---|
| 755 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 756 | return -1; |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | for (i = 0; i < num; i++) { |
---|
| 760 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
| 761 | continue; |
---|
| 762 | |
---|
| 763 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
| 764 | continue; |
---|
| 765 | |
---|
| 766 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
| 767 | continue; |
---|
| 768 | |
---|
| 769 | if ( info.mixer == vss->mixerid ) { |
---|
| 770 | vss->first_primid = id[i]; |
---|
| 771 | return id[i]; |
---|
| 772 | } |
---|
| 773 | } |
---|
| 774 | |
---|
| 775 | return -1; |
---|
| 776 | } |
---|
| 777 | |
---|
| 778 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
| 779 | struct roar_stream stream; |
---|
| 780 | struct roar_stream out_stream; |
---|
| 781 | struct roar_stream_info out_info; |
---|
[4637] | 782 | size_t offset = 0; |
---|
[4206] | 783 | |
---|
[4260] | 784 | _ckvss(-1); |
---|
[5071] | 785 | _ckasync(-1); |
---|
[4260] | 786 | |
---|
[4206] | 787 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 788 | _seterr(ROAR_ERROR_INVAL); |
---|
| 789 | return -1; |
---|
| 790 | } |
---|
| 791 | |
---|
| 792 | _initerr(); |
---|
| 793 | |
---|
| 794 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
| 795 | _seterrre(); |
---|
| 796 | return -1; |
---|
| 797 | } |
---|
| 798 | |
---|
[4638] | 799 | if ( backend == ROAR_VS_BACKEND_DEFAULT ) { |
---|
| 800 | backend = ROAR_VS_BACKEND_FIRST; |
---|
| 801 | } |
---|
| 802 | |
---|
[4206] | 803 | switch (backend) { |
---|
| 804 | case ROAR_VS_BACKEND_NONE: |
---|
[5068] | 805 | // return stream.pos; |
---|
| 806 | // do nothing. |
---|
[4206] | 807 | break; |
---|
| 808 | case ROAR_VS_BACKEND_FIRST: |
---|
| 809 | if ( vss->first_primid == -1 ) { |
---|
| 810 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 811 | return -1; |
---|
| 812 | } |
---|
| 813 | |
---|
[4637] | 814 | backend = vss->first_primid; |
---|
| 815 | break; |
---|
| 816 | default: |
---|
| 817 | if ( backend < 0 ) { |
---|
| 818 | _seterr(ROAR_ERROR_INVAL); |
---|
[4206] | 819 | return -1; |
---|
| 820 | } |
---|
| 821 | break; |
---|
| 822 | } |
---|
| 823 | |
---|
[5078] | 824 | vss->async.last_backend = backend; |
---|
[4637] | 825 | |
---|
| 826 | if ( backend >= 0 ) { |
---|
| 827 | roar_stream_new_by_id(&out_stream, backend); |
---|
| 828 | |
---|
| 829 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
| 830 | _seterrre(); |
---|
| 831 | return -1; |
---|
| 832 | } |
---|
| 833 | |
---|
| 834 | offset = out_info.delay * vss->info.rate; |
---|
| 835 | offset /= 1000000; |
---|
| 836 | } |
---|
| 837 | |
---|
[5068] | 838 | if ( roar_clock_gettime(&(vss->latmes.last_time), LOCAL_CLOCK) == -1 ) { |
---|
| 839 | vss->latmes.last_pos = -1; |
---|
| 840 | } else { |
---|
[5069] | 841 | vss->latmes.last_pos = stream.pos; |
---|
| 842 | vss->latmes.last_offset = offset; |
---|
[5068] | 843 | } |
---|
| 844 | |
---|
[4637] | 845 | return stream.pos + offset; |
---|
[4175] | 846 | } |
---|
| 847 | |
---|
[4719] | 848 | #ifdef _HAVE_SOCKOPT |
---|
| 849 | static void roar_vs_latency_managed(roar_vs_t * vss, roar_mus_t lat) { |
---|
| 850 | struct roar_vio_sysio_sockopt sockopt; |
---|
| 851 | float tmp = ((float)lat/1000.0) - vss->latc.target; |
---|
| 852 | int val; |
---|
| 853 | |
---|
| 854 | tmp *= vss->latc.p; |
---|
| 855 | |
---|
| 856 | sockopt.level = SOL_SOCKET; |
---|
| 857 | sockopt.optname = SO_SNDBUF; |
---|
| 858 | sockopt.optval = &val; |
---|
| 859 | sockopt.optlen = sizeof(val); |
---|
| 860 | |
---|
[5262] | 861 | if ( roar_vio_ctl(vss->vio_ptr, ROAR_VIO_CTL_GET_SYSIO_SOCKOPT, &sockopt) == -1 ) |
---|
[5109] | 862 | return; |
---|
[4719] | 863 | |
---|
| 864 | val /= 2; |
---|
| 865 | |
---|
| 866 | tmp = 1.0 - tmp; |
---|
| 867 | |
---|
| 868 | val = (float)val*tmp; |
---|
| 869 | |
---|
| 870 | sockopt.optlen = sizeof(val); |
---|
| 871 | |
---|
[5262] | 872 | if ( roar_vio_ctl(vss->vio_ptr, ROAR_VIO_CTL_SET_SYSIO_SOCKOPT, &sockopt) == -1 ) |
---|
[5109] | 873 | return; |
---|
[4719] | 874 | } |
---|
| 875 | #endif |
---|
| 876 | |
---|
[5239] | 877 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int wait, int * error) { |
---|
[5119] | 878 | ssize_t pos; |
---|
[5068] | 879 | ssize_t bps; // byte per sample |
---|
| 880 | size_t lioc; // local IO (byte) counter |
---|
[5414] | 881 | size_t lpos; // local position |
---|
[5068] | 882 | signed long long int lag; |
---|
| 883 | struct roar_time rt; |
---|
| 884 | |
---|
| 885 | _initerr(); |
---|
| 886 | |
---|
| 887 | _ckvss(0); |
---|
| 888 | |
---|
| 889 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 890 | _seterr(ROAR_ERROR_INVAL); |
---|
| 891 | return 0; |
---|
| 892 | } |
---|
| 893 | |
---|
[5075] | 894 | _check_async(vss); |
---|
| 895 | |
---|
[5068] | 896 | if ( wait == ROAR_VS_WAIT ) { |
---|
[5119] | 897 | _ckasync(0); |
---|
| 898 | |
---|
| 899 | pos = roar_vs_position(vss, backend, error); |
---|
| 900 | if (pos == -1) { |
---|
| 901 | _seterrre(); |
---|
| 902 | return 0; |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | if ( vss->writec == 0 ) { |
---|
| 906 | lioc = vss->readc; |
---|
| 907 | } else { |
---|
| 908 | //printf("writec=%zu\n", vss->writec); |
---|
| 909 | lioc = vss->writec; |
---|
| 910 | } |
---|
| 911 | |
---|
| 912 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 913 | |
---|
| 914 | if ( bps == -1 ) { |
---|
| 915 | _seterrre(); |
---|
| 916 | return 0; |
---|
| 917 | } |
---|
| 918 | |
---|
| 919 | lpos = (lioc*8) / bps; |
---|
| 920 | |
---|
| 921 | lag = (signed long long int)lpos - (signed long long int)pos; |
---|
| 922 | lag /= vss->info.channels; |
---|
| 923 | |
---|
| 924 | // we now have the lag in frames |
---|
| 925 | // return value are mus |
---|
| 926 | // so we need to multiply with 1s/mus and |
---|
| 927 | // multiply by 1/rate |
---|
| 928 | |
---|
| 929 | lag *= 1000000; // 1s/mus |
---|
| 930 | lag /= vss->info.rate; |
---|
| 931 | |
---|
| 932 | #ifdef _HAVE_SOCKOPT |
---|
| 933 | if (vss->latc.target > vss->latc.minlag) { |
---|
| 934 | roar_vs_latency_managed(vss, lag); |
---|
| 935 | } |
---|
| 936 | #endif |
---|
| 937 | |
---|
| 938 | vss->async.read_latency = 1; |
---|
| 939 | |
---|
| 940 | if ( lag == 0 ) { |
---|
| 941 | _seterr(ROAR_ERROR_NONE); |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | return lag; |
---|
[5068] | 945 | } else if ( wait == ROAR_VS_NOWAIT ) { |
---|
[5078] | 946 | vss->async.read_latency = 1; |
---|
| 947 | |
---|
[5068] | 948 | if ( vss->latmes.last_pos == -1 ) { |
---|
| 949 | _seterr(ROAR_ERROR_NODATA); |
---|
| 950 | return 0; |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | if ( vss->writec == 0 ) { |
---|
| 954 | lioc = vss->readc; |
---|
| 955 | } else { |
---|
| 956 | //printf("writec=%zu\n", vss->writec); |
---|
| 957 | lioc = vss->writec; |
---|
| 958 | } |
---|
| 959 | |
---|
| 960 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 961 | |
---|
| 962 | if ( bps == -1 ) { |
---|
| 963 | _seterrre(); |
---|
| 964 | return 0; |
---|
| 965 | } |
---|
| 966 | |
---|
| 967 | lpos = (lioc*8) / bps; |
---|
| 968 | |
---|
| 969 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
| 970 | |
---|
[5069] | 971 | lag = (signed long long int)lpos - (signed long long int)(vss->latmes.last_pos + vss->latmes.last_offset); |
---|
[5068] | 972 | lag /= vss->info.channels; |
---|
| 973 | |
---|
| 974 | // we now have the lag in frames |
---|
| 975 | // return value are mus |
---|
| 976 | // so we need to multiply with 1s/mus and |
---|
| 977 | // multiply by 1/rate |
---|
| 978 | |
---|
| 979 | lag *= 1000000; // 1s/mus |
---|
| 980 | lag /= vss->info.rate; |
---|
| 981 | |
---|
| 982 | _initerr(); |
---|
| 983 | if ( roar_clock_gettime(&rt, LOCAL_CLOCK) == -1 ) { |
---|
| 984 | _seterrre(); |
---|
| 985 | return 0; |
---|
| 986 | } |
---|
| 987 | |
---|
| 988 | // printf("%lli, %lli\n", (rt.t_sec - vss->latmes.last_time.t_sec ), (rt.t_ssec/2 - vss->latmes.last_time.t_ssec/2)/ 18446744073710LL); |
---|
| 989 | // printf("%lli, %llu\n", rt.t_sec, rt.t_ssec); |
---|
| 990 | lag -= (rt.t_sec - vss->latmes.last_time.t_sec ) * 1000000LL; |
---|
| 991 | lag -= ((int64_t)(rt.t_ssec/2) - (int64_t)(vss->latmes.last_time.t_ssec/2)) / 9223372036855LL; |
---|
| 992 | |
---|
| 993 | if ( lag == 0 ) { |
---|
| 994 | _seterr(ROAR_ERROR_NONE); |
---|
| 995 | } |
---|
| 996 | |
---|
| 997 | return lag; |
---|
[5075] | 998 | } else if ( wait == ROAR_VS_ASYNC ) { |
---|
[5077] | 999 | if ( _send_async_req(vss, ROAR_CMD_GET_STREAM, -1, roar_stream_get_id(&(vss->stream)), error) == -1 ) |
---|
[5075] | 1000 | return 0; |
---|
[5077] | 1001 | switch (backend) { |
---|
| 1002 | case ROAR_VS_BACKEND_NONE: |
---|
| 1003 | break; |
---|
| 1004 | case ROAR_VS_BACKEND_FIRST: |
---|
| 1005 | if ( vss->first_primid == -1 ) { |
---|
| 1006 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 1007 | return 0; |
---|
| 1008 | } |
---|
| 1009 | |
---|
| 1010 | backend = vss->first_primid; |
---|
| 1011 | break; |
---|
| 1012 | default: |
---|
| 1013 | if ( backend < 0 ) { |
---|
| 1014 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1015 | return -1; |
---|
| 1016 | } |
---|
| 1017 | break; |
---|
| 1018 | } |
---|
[5078] | 1019 | |
---|
| 1020 | vss->async.last_backend = backend; |
---|
| 1021 | |
---|
[5077] | 1022 | if ( backend >= 0 ) |
---|
| 1023 | if ( _send_async_req(vss, ROAR_CMD_GET_STREAM_PARA, ROAR_STREAM_PARA_INFO, backend, error) == -1 ) |
---|
| 1024 | return 0; |
---|
[5075] | 1025 | _seterr(ROAR_ERROR_NODATA); |
---|
| 1026 | return 0; |
---|
[5068] | 1027 | } |
---|
| 1028 | |
---|
| 1029 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1030 | return 0; |
---|
| 1031 | } |
---|
| 1032 | |
---|
[4175] | 1033 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
| 1034 | struct roar_stream_info info; |
---|
| 1035 | int old = -1; |
---|
| 1036 | |
---|
[4260] | 1037 | _ckvss(-1); |
---|
[5071] | 1038 | _ckasync(-1); |
---|
[4260] | 1039 | |
---|
[4175] | 1040 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1041 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1042 | return -1; |
---|
| 1043 | } |
---|
| 1044 | |
---|
| 1045 | if ( val != ROAR_VS_ASK ) |
---|
| 1046 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
| 1047 | |
---|
[4186] | 1048 | _initerr(); |
---|
| 1049 | |
---|
[4175] | 1050 | switch (val) { |
---|
| 1051 | case ROAR_VS_TRUE: |
---|
| 1052 | case ROAR_VS_FALSE: |
---|
[5238] | 1053 | if ( roar_stream_set_flags(vss->con, &(vss->stream), flag, |
---|
[5051] | 1054 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
[4186] | 1055 | _seterrre(); |
---|
[4175] | 1056 | return -1; |
---|
| 1057 | } |
---|
| 1058 | return old; |
---|
| 1059 | break; |
---|
| 1060 | case ROAR_VS_TOGGLE: |
---|
| 1061 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
| 1062 | break; |
---|
| 1063 | case ROAR_VS_ASK: |
---|
| 1064 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
[4186] | 1065 | _seterrre(); |
---|
[4175] | 1066 | return -1; |
---|
| 1067 | } |
---|
| 1068 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 1069 | break; |
---|
| 1070 | } |
---|
| 1071 | |
---|
[4187] | 1072 | _seterr(ROAR_ERROR_INVAL); |
---|
[4175] | 1073 | return -1; |
---|
| 1074 | } |
---|
| 1075 | |
---|
| 1076 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
| 1077 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
| 1078 | } |
---|
| 1079 | |
---|
| 1080 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
| 1081 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
| 1082 | } |
---|
| 1083 | |
---|
| 1084 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
| 1085 | struct roar_mixer_settings mixer; |
---|
| 1086 | size_t i; |
---|
[4850] | 1087 | register float s, max_s = -100.0, scale = 65535.0; |
---|
[4182] | 1088 | int oldchannels; |
---|
[4740] | 1089 | int mode = ROAR_SET_VOL_ALL; |
---|
[4175] | 1090 | |
---|
[4260] | 1091 | _ckvss(-1); |
---|
[5071] | 1092 | _ckasync(-1); |
---|
[4260] | 1093 | |
---|
[4175] | 1094 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1095 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1096 | return -1; |
---|
| 1097 | } |
---|
| 1098 | |
---|
| 1099 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
| 1100 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1101 | return -1; |
---|
| 1102 | } |
---|
| 1103 | |
---|
[4186] | 1104 | _initerr(); |
---|
| 1105 | |
---|
[4182] | 1106 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
[4186] | 1107 | _seterrre(); |
---|
[4182] | 1108 | return -1; |
---|
| 1109 | } |
---|
| 1110 | |
---|
[4850] | 1111 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1112 | for (i = 0; i < channels; i++) { |
---|
| 1113 | if ( c[i] > max_s ) { |
---|
| 1114 | max_s = c[i]; |
---|
| 1115 | } else if ( c[i] < -0.01 ) { |
---|
| 1116 | _seterr(ROAR_ERROR_RANGE); |
---|
| 1117 | return -1; |
---|
| 1118 | } |
---|
| 1119 | } |
---|
| 1120 | |
---|
| 1121 | if ( max_s > 1.00 ) { |
---|
| 1122 | scale = 65535.0 / max_s; |
---|
| 1123 | } |
---|
| 1124 | } |
---|
| 1125 | |
---|
[4179] | 1126 | for (i = 0; i < channels; i++) { |
---|
[4850] | 1127 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1128 | s = c[i] * scale; |
---|
| 1129 | if ( s < 0.0 ) |
---|
| 1130 | s = 0.0; |
---|
| 1131 | } else { |
---|
| 1132 | s = c[i] * 65535.0; |
---|
| 1133 | if ( s > 66190.0 || s < -655.0 ) { |
---|
| 1134 | _seterr(ROAR_ERROR_RANGE); |
---|
| 1135 | return -1; |
---|
| 1136 | } else if ( s > 65535.0 ) { |
---|
| 1137 | s = 65535.0; |
---|
| 1138 | } else if ( s < 0.0 ) { |
---|
| 1139 | s = 0.0; |
---|
| 1140 | } |
---|
[4179] | 1141 | } |
---|
| 1142 | mixer.mixer[i] = s; |
---|
| 1143 | } |
---|
[4175] | 1144 | |
---|
[4850] | 1145 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1146 | mixer.scale = scale; |
---|
| 1147 | } else { |
---|
| 1148 | mixer.scale = 65535; |
---|
| 1149 | } |
---|
[4182] | 1150 | |
---|
[5270] | 1151 | if ( channels != (size_t)oldchannels ) |
---|
[4740] | 1152 | mode = ROAR_SET_VOL_UNMAPPED; |
---|
| 1153 | |
---|
[5236] | 1154 | if ( roar_set_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == 0 ) |
---|
[4740] | 1155 | return 0; |
---|
| 1156 | |
---|
| 1157 | if ( mode == ROAR_SET_VOL_ALL ) { |
---|
| 1158 | _seterrre(); |
---|
| 1159 | return -1; |
---|
[4182] | 1160 | } |
---|
[4175] | 1161 | |
---|
[4740] | 1162 | if ( roar_conv_volume(&mixer, &mixer, oldchannels, channels) == -1 ) { |
---|
| 1163 | _seterrre(); |
---|
| 1164 | return -1; |
---|
| 1165 | } |
---|
| 1166 | |
---|
| 1167 | channels = oldchannels; |
---|
| 1168 | mode = ROAR_SET_VOL_ALL; |
---|
| 1169 | |
---|
[5236] | 1170 | if ( roar_set_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == -1 ) { |
---|
[4186] | 1171 | _seterrre(); |
---|
[4175] | 1172 | return -1; |
---|
| 1173 | } |
---|
| 1174 | |
---|
| 1175 | return 0; |
---|
| 1176 | } |
---|
| 1177 | |
---|
| 1178 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
| 1179 | return roar_vs_volume(vss, &c, 1, error); |
---|
| 1180 | } |
---|
| 1181 | |
---|
| 1182 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
| 1183 | float c[2] = {l, r}; |
---|
| 1184 | return roar_vs_volume(vss, c, 2, error); |
---|
| 1185 | } |
---|
| 1186 | |
---|
| 1187 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
| 1188 | struct roar_mixer_settings mixer; |
---|
| 1189 | int channels; |
---|
| 1190 | |
---|
| 1191 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
| 1192 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1193 | return -1; |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1197 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1198 | return -1; |
---|
| 1199 | } |
---|
| 1200 | |
---|
[5071] | 1201 | _ckasync(-1); |
---|
| 1202 | |
---|
[4186] | 1203 | _initerr(); |
---|
| 1204 | |
---|
[4175] | 1205 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
[4186] | 1206 | _seterrre(); |
---|
[4175] | 1207 | return -1; |
---|
| 1208 | } |
---|
| 1209 | |
---|
| 1210 | if ( channels == 1 ) |
---|
| 1211 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 1212 | |
---|
| 1213 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
| 1214 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
| 1215 | |
---|
| 1216 | return 0; |
---|
| 1217 | } |
---|
| 1218 | |
---|
[4176] | 1219 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
| 1220 | struct roar_meta meta; |
---|
| 1221 | size_t i; |
---|
| 1222 | int type; |
---|
[4180] | 1223 | int ret = 0; |
---|
[4176] | 1224 | |
---|
[4260] | 1225 | _ckvss(-1); |
---|
[5071] | 1226 | _ckasync(-1); |
---|
[4260] | 1227 | |
---|
[4176] | 1228 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1229 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1230 | return -1; |
---|
| 1231 | } |
---|
| 1232 | |
---|
| 1233 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 1234 | meta.key[0] = 0; |
---|
| 1235 | meta.value = NULL; |
---|
| 1236 | |
---|
[4186] | 1237 | _initerr(); |
---|
[4176] | 1238 | |
---|
[4180] | 1239 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
[4186] | 1240 | _seterrre(); |
---|
[4180] | 1241 | ret = -1; |
---|
| 1242 | } |
---|
[4176] | 1243 | |
---|
| 1244 | for (i = 0; i < len; i++) { |
---|
| 1245 | type = roar_meta_inttype(kv[i].key); |
---|
| 1246 | meta.type = type; |
---|
| 1247 | meta.value = kv[i].value; |
---|
| 1248 | |
---|
[4180] | 1249 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
[4186] | 1250 | _seterrre(); |
---|
[4180] | 1251 | ret = -1; |
---|
| 1252 | } |
---|
[4176] | 1253 | } |
---|
| 1254 | |
---|
| 1255 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 1256 | meta.key[0] = 0; |
---|
| 1257 | meta.value = NULL; |
---|
[4180] | 1258 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
[4186] | 1259 | _seterrre(); |
---|
[4180] | 1260 | ret = -1; |
---|
| 1261 | } |
---|
[4176] | 1262 | |
---|
[4180] | 1263 | return ret; |
---|
[4176] | 1264 | } |
---|
[4174] | 1265 | |
---|
[4212] | 1266 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
[4260] | 1267 | _ckvss(-1); |
---|
[5071] | 1268 | _ckasync(-1); |
---|
[4260] | 1269 | |
---|
[4212] | 1270 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1271 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1272 | return -1; |
---|
| 1273 | } |
---|
| 1274 | |
---|
| 1275 | _initerr(); |
---|
| 1276 | |
---|
| 1277 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
| 1278 | _seterrre(); |
---|
| 1279 | return -1; |
---|
| 1280 | } |
---|
| 1281 | |
---|
| 1282 | return 0; |
---|
| 1283 | } |
---|
| 1284 | |
---|
[4580] | 1285 | |
---|
| 1286 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
| 1287 | struct roar_vio_select vios[3]; |
---|
| 1288 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
| 1289 | size_t len = 0; |
---|
[5357] | 1290 | size_t i; |
---|
[4580] | 1291 | ssize_t ret; |
---|
| 1292 | int can_read = 0, can_write = 0; |
---|
| 1293 | int can_flush_stream = 0, can_flush_file = 0; |
---|
| 1294 | int is_eof = 0; |
---|
| 1295 | void * data; |
---|
[4626] | 1296 | size_t tmp; |
---|
| 1297 | |
---|
| 1298 | // TODO: fix error handling below. |
---|
[4580] | 1299 | |
---|
[5199] | 1300 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1301 | |
---|
[4580] | 1302 | _ckvss(-1); |
---|
| 1303 | |
---|
| 1304 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
| 1305 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1306 | return -1; |
---|
| 1307 | } |
---|
| 1308 | |
---|
[5262] | 1309 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->vio_ptr, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
[4580] | 1310 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
[5262] | 1311 | vios[len].ud.vp = vss->vio_ptr; |
---|
[4580] | 1312 | len++; |
---|
| 1313 | |
---|
| 1314 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
| 1315 | vios[len].ud.vp = vss->con; |
---|
| 1316 | len++; |
---|
| 1317 | |
---|
| 1318 | |
---|
| 1319 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
| 1320 | // for the moment we disable file direction and hope it will not block anyway... |
---|
| 1321 | /* |
---|
| 1322 | if ( vss->file != NULL ) { |
---|
| 1323 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
| 1324 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
| 1325 | vios[len].ud.vp = vss->file; |
---|
| 1326 | len++; |
---|
| 1327 | } |
---|
| 1328 | */ |
---|
| 1329 | |
---|
| 1330 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
| 1331 | |
---|
| 1332 | // part 2 of above hack: |
---|
| 1333 | // emulate read handle. |
---|
[4626] | 1334 | if ( vss->file != NULL ) { |
---|
| 1335 | vios[len].ud.vp = vss->file; |
---|
| 1336 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ; |
---|
| 1337 | len++; |
---|
| 1338 | } |
---|
[4580] | 1339 | |
---|
| 1340 | // no error here nor EOF. |
---|
| 1341 | if ( ret == 0 ) |
---|
| 1342 | return 1; |
---|
| 1343 | |
---|
| 1344 | for (i = 0; i < len; i++) { |
---|
| 1345 | if ( !vios[i].eventsa ) |
---|
| 1346 | continue; |
---|
| 1347 | |
---|
[5262] | 1348 | if ( vios[i].ud.vp == vss->vio_ptr ) { |
---|
[4580] | 1349 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1350 | can_read++; |
---|
| 1351 | |
---|
| 1352 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1353 | can_write++; |
---|
| 1354 | can_flush_stream = 1; |
---|
| 1355 | } |
---|
| 1356 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
[5073] | 1357 | if ( vss->async.qlen ) { |
---|
| 1358 | _handle_async_req(vss, NULL); |
---|
| 1359 | } else { |
---|
| 1360 | roar_sync(vss->con); |
---|
| 1361 | } |
---|
[4626] | 1362 | } else if ( vss->file != NULL && vios[i].ud.vp == vss->file ) { |
---|
[4580] | 1363 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1364 | can_write++; |
---|
| 1365 | |
---|
| 1366 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1367 | can_read++; |
---|
| 1368 | can_flush_file = 1; |
---|
| 1369 | } |
---|
| 1370 | } |
---|
| 1371 | } |
---|
| 1372 | |
---|
[4626] | 1373 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1374 | if ( roar_buffer_ring_avail(vss->readring, NULL, &tmp) != -1 ) |
---|
| 1375 | if ( tmp > 0 ) |
---|
| 1376 | can_read++; |
---|
| 1377 | |
---|
[4628] | 1378 | // no check here to just let the read return zero and we do EOF handling. |
---|
| 1379 | /* |
---|
[4626] | 1380 | if ( roar_buffer_ring_avail(vss->writering, &tmp, NULL) != -1 ) |
---|
| 1381 | if ( tmp > 0 ) |
---|
[4628] | 1382 | */ |
---|
[4626] | 1383 | can_write++; |
---|
| 1384 | } |
---|
| 1385 | |
---|
| 1386 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): can_read=%i, can_write=%i", vss, wait, error, can_read, can_write); |
---|
| 1387 | |
---|
[4580] | 1388 | // TODO: FIXME: Need to correct error handling here! |
---|
| 1389 | |
---|
| 1390 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
| 1391 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
| 1392 | return -1; |
---|
| 1393 | |
---|
| 1394 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
| 1395 | return -1; |
---|
| 1396 | |
---|
[4626] | 1397 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1398 | |
---|
| 1399 | if ( ret == -1 ) { |
---|
| 1400 | return -1; |
---|
[5357] | 1401 | } else if ( ret == (ssize_t)len ) { |
---|
[4580] | 1402 | roar_buffer_free(vss->writebuffer); |
---|
| 1403 | vss->writebuffer = NULL; |
---|
| 1404 | } else { |
---|
| 1405 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1406 | return -1; |
---|
| 1407 | } |
---|
| 1408 | } |
---|
| 1409 | |
---|
| 1410 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
| 1411 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
| 1412 | return -1; |
---|
| 1413 | |
---|
| 1414 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
| 1415 | return -1; |
---|
| 1416 | |
---|
| 1417 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1418 | |
---|
| 1419 | if ( ret == -1 ) { |
---|
| 1420 | return -1; |
---|
[5357] | 1421 | } else if ( ret == (ssize_t)len ) { |
---|
[4580] | 1422 | roar_buffer_free(vss->readbuffer); |
---|
| 1423 | vss->readbuffer = NULL; |
---|
| 1424 | } else { |
---|
| 1425 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1426 | return -1; |
---|
| 1427 | } |
---|
| 1428 | } |
---|
| 1429 | |
---|
| 1430 | #define _READ_SIZE 1024 |
---|
| 1431 | |
---|
| 1432 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
| 1433 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1434 | return -1; |
---|
| 1435 | |
---|
| 1436 | ret = roar_vs_read(vss, data, len, error); |
---|
| 1437 | |
---|
| 1438 | if ( ret == -1 ) { |
---|
| 1439 | roar_buffer_free(vss->readbuffer); |
---|
| 1440 | vss->readbuffer = NULL; |
---|
| 1441 | return -1; |
---|
| 1442 | } else if ( ret == 0 ) { |
---|
| 1443 | is_eof = 1; |
---|
| 1444 | roar_buffer_free(vss->readbuffer); |
---|
| 1445 | vss->readbuffer = NULL; |
---|
| 1446 | } else { |
---|
| 1447 | len = ret; |
---|
| 1448 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
| 1449 | return -1; |
---|
| 1450 | |
---|
[4626] | 1451 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1452 | tmp = len; |
---|
| 1453 | if ( roar_buffer_ring_write(vss->readring, data, &tmp) == -1 ) { |
---|
| 1454 | ret = -1; |
---|
| 1455 | } else { |
---|
| 1456 | ret = tmp; |
---|
| 1457 | } |
---|
| 1458 | } else { |
---|
| 1459 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1460 | } |
---|
[4580] | 1461 | |
---|
| 1462 | if ( ret == -1 ) { |
---|
| 1463 | return -1; |
---|
[5357] | 1464 | } else if ( ret == (ssize_t)len ) { |
---|
[4580] | 1465 | roar_buffer_free(vss->readbuffer); |
---|
| 1466 | vss->readbuffer = NULL; |
---|
| 1467 | } else { |
---|
| 1468 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1469 | return -1; |
---|
| 1470 | } |
---|
| 1471 | } |
---|
| 1472 | } |
---|
| 1473 | |
---|
| 1474 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
| 1475 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1476 | return -1; |
---|
| 1477 | |
---|
[4626] | 1478 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1479 | tmp = len; |
---|
| 1480 | if ( roar_buffer_ring_read(vss->writering, data, &tmp) == -1 ) { |
---|
| 1481 | ret = -1; |
---|
| 1482 | } else { |
---|
| 1483 | ret = tmp; |
---|
| 1484 | } |
---|
| 1485 | } else { |
---|
| 1486 | ret = roar_vio_read(vss->file, data, len); |
---|
| 1487 | } |
---|
[4580] | 1488 | |
---|
[4581] | 1489 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
| 1490 | |
---|
[4580] | 1491 | if ( ret == -1 ) { |
---|
[4581] | 1492 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1493 | |
---|
[4580] | 1494 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1495 | vss->writebuffer = NULL; |
---|
[4580] | 1496 | return -1; |
---|
| 1497 | } else if ( ret == 0 ) { |
---|
[4581] | 1498 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1499 | |
---|
[4580] | 1500 | is_eof = 1; |
---|
| 1501 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1502 | vss->writebuffer = NULL; |
---|
[4580] | 1503 | } else { |
---|
[4581] | 1504 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1505 | |
---|
[5357] | 1506 | if ( (ssize_t)len != ret ) { |
---|
[4580] | 1507 | len = ret; |
---|
[4581] | 1508 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
[4580] | 1509 | return -1; |
---|
| 1510 | } |
---|
| 1511 | |
---|
[4581] | 1512 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1513 | |
---|
[4626] | 1514 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1515 | |
---|
| 1516 | if ( ret == -1 ) { |
---|
| 1517 | return -1; |
---|
[5357] | 1518 | } else if ( ret == (ssize_t)len ) { |
---|
[4580] | 1519 | roar_buffer_free(vss->writebuffer); |
---|
| 1520 | vss->writebuffer = NULL; |
---|
| 1521 | } else { |
---|
| 1522 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1523 | return -1; |
---|
| 1524 | } |
---|
| 1525 | } |
---|
| 1526 | } |
---|
| 1527 | |
---|
[5078] | 1528 | if ( vss->async.level == ROAR_VS_ASYNCLEVEL_AUTO && !vss->async.lock && |
---|
| 1529 | vss->async.read_latency && !vss->async.qlen ) { |
---|
[5239] | 1530 | _LIBROAR_IGNORE_RET(roar_vs_latency(vss, |
---|
| 1531 | vss->async.last_backend < 0 ? ROAR_VS_BACKEND_NONE : vss->async.last_backend, |
---|
| 1532 | ROAR_VS_ASYNC, NULL)); |
---|
[5078] | 1533 | } |
---|
| 1534 | |
---|
[4639] | 1535 | return is_eof ? 0 : 2; |
---|
[4580] | 1536 | } |
---|
| 1537 | |
---|
| 1538 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
| 1539 | int ret; |
---|
| 1540 | |
---|
| 1541 | _ckvss(-1); |
---|
| 1542 | |
---|
| 1543 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
| 1544 | |
---|
[4581] | 1545 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
| 1546 | |
---|
[4580] | 1547 | if ( ret == 0 ) { |
---|
| 1548 | // flush buffers: |
---|
| 1549 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
| 1550 | } |
---|
| 1551 | |
---|
[4581] | 1552 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
| 1553 | return -1; |
---|
| 1554 | |
---|
[4580] | 1555 | return ret; |
---|
| 1556 | } |
---|
| 1557 | |
---|
[4626] | 1558 | ssize_t roar_vs_get_avail_read(roar_vs_t * vss, int * error) { |
---|
| 1559 | size_t len; |
---|
| 1560 | |
---|
| 1561 | _ckvss(-1); |
---|
| 1562 | |
---|
| 1563 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1564 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1565 | return -1; |
---|
| 1566 | } |
---|
| 1567 | |
---|
| 1568 | if ( roar_buffer_ring_avail(vss->readring, &len, NULL) == -1 ) { |
---|
| 1569 | _seterrre(); |
---|
| 1570 | return -1; |
---|
| 1571 | } |
---|
| 1572 | |
---|
| 1573 | return len; |
---|
| 1574 | } |
---|
| 1575 | |
---|
| 1576 | ssize_t roar_vs_get_avail_write(roar_vs_t * vss, int * error) { |
---|
| 1577 | size_t len; |
---|
| 1578 | |
---|
| 1579 | _ckvss(-1); |
---|
| 1580 | |
---|
| 1581 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1582 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1583 | return -1; |
---|
| 1584 | } |
---|
| 1585 | |
---|
| 1586 | if ( roar_buffer_ring_avail(vss->writering, NULL, &len) == -1 ) { |
---|
| 1587 | _seterrre(); |
---|
| 1588 | return -1; |
---|
| 1589 | } |
---|
| 1590 | |
---|
| 1591 | return len; |
---|
| 1592 | } |
---|
| 1593 | |
---|
[4629] | 1594 | int roar_vs_reset_buffer(roar_vs_t * vss, int writering, int readring, int * error) { |
---|
| 1595 | _ckvss(-1); |
---|
| 1596 | |
---|
| 1597 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1598 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1599 | return -1; |
---|
| 1600 | } |
---|
| 1601 | |
---|
| 1602 | if ( writering != ROAR_VS_TRUE || writering != ROAR_VS_FALSE || |
---|
| 1603 | readring != ROAR_VS_TRUE || readring != ROAR_VS_FALSE ) { |
---|
| 1604 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1605 | return -1; |
---|
| 1606 | } |
---|
| 1607 | |
---|
| 1608 | if ( writering ) { |
---|
| 1609 | if ( roar_buffer_ring_reset(vss->writering) == -1 ) { |
---|
| 1610 | _seterrre(); |
---|
| 1611 | return -1; |
---|
| 1612 | } |
---|
| 1613 | } |
---|
| 1614 | |
---|
| 1615 | if ( readring ) { |
---|
| 1616 | if ( roar_buffer_ring_reset(vss->readring) == -1 ) { |
---|
| 1617 | _seterrre(); |
---|
| 1618 | return -1; |
---|
| 1619 | } |
---|
| 1620 | } |
---|
| 1621 | |
---|
| 1622 | return 0; |
---|
| 1623 | } |
---|
| 1624 | |
---|
[4622] | 1625 | int roar_vs_ctl (roar_vs_t * vss, roar_vs_ctlcmd cmd, void * argp, int * error) { |
---|
| 1626 | _ckvss(-1); |
---|
| 1627 | |
---|
| 1628 | switch (cmd) { |
---|
| 1629 | case ROAR_VS_CMD_NOOP: |
---|
| 1630 | break; |
---|
| 1631 | case ROAR_VS_CMD_SET_MIXER: |
---|
| 1632 | vss->mixerid = *(int*)argp; |
---|
| 1633 | break; |
---|
| 1634 | case ROAR_VS_CMD_GET_MIXER: |
---|
| 1635 | *(int*)argp = vss->mixerid; |
---|
| 1636 | break; |
---|
| 1637 | case ROAR_VS_CMD_SET_FIRST_PRIM: |
---|
| 1638 | vss->first_primid = *(int*)argp; |
---|
| 1639 | break; |
---|
| 1640 | case ROAR_VS_CMD_GET_FIRST_PRIM: |
---|
| 1641 | *(int*)argp = vss->first_primid; |
---|
| 1642 | break; |
---|
[4719] | 1643 | #ifdef _HAVE_SOCKOPT |
---|
| 1644 | case ROAR_VS_CMD_SET_LATC_P: |
---|
| 1645 | vss->latc.p = *(float*)argp; |
---|
| 1646 | break; |
---|
| 1647 | case ROAR_VS_CMD_GET_LATC_P: |
---|
| 1648 | *(float*)argp = vss->latc.p; |
---|
| 1649 | break; |
---|
| 1650 | case ROAR_VS_CMD_SET_LATC_TARGET: |
---|
| 1651 | vss->latc.target = *(float*)argp; |
---|
| 1652 | break; |
---|
| 1653 | case ROAR_VS_CMD_GET_LATC_TARGET: |
---|
| 1654 | *(float*)argp = vss->latc.target; |
---|
| 1655 | break; |
---|
| 1656 | case ROAR_VS_CMD_SET_LATC_WINDOW: |
---|
| 1657 | vss->latc.window = *(float*)argp; |
---|
| 1658 | break; |
---|
| 1659 | case ROAR_VS_CMD_GET_LATC_WINDOW: |
---|
| 1660 | *(float*)argp = vss->latc.window; |
---|
| 1661 | break; |
---|
| 1662 | case ROAR_VS_CMD_SET_LATC_MINLAG: |
---|
| 1663 | vss->latc.minlag = *(float*)argp; |
---|
| 1664 | break; |
---|
| 1665 | case ROAR_VS_CMD_GET_LATC_MINLAG: |
---|
| 1666 | *(float*)argp = vss->latc.minlag; |
---|
| 1667 | break; |
---|
| 1668 | #endif |
---|
[4850] | 1669 | case ROAR_VS_CMD_SET_FREE_VOLUME: |
---|
[5025] | 1670 | switch (*(int*)argp) { |
---|
| 1671 | case ROAR_VS_TRUE: |
---|
| 1672 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1673 | break; |
---|
| 1674 | case ROAR_VS_FALSE: |
---|
| 1675 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1676 | vss->flags -= FLAG_FREE_VOL; |
---|
| 1677 | break; |
---|
| 1678 | case ROAR_VS_TOGGLE: |
---|
| 1679 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1680 | vss->flags -= FLAG_FREE_VOL; |
---|
| 1681 | } else { |
---|
| 1682 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1683 | } |
---|
| 1684 | break; |
---|
| 1685 | default: |
---|
| 1686 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1687 | return -1; |
---|
| 1688 | break; |
---|
[4850] | 1689 | } |
---|
| 1690 | break; |
---|
| 1691 | case ROAR_VS_CMD_GET_FREE_VOLUME: |
---|
[5025] | 1692 | *(int*)argp = vss->flags & FLAG_FREE_VOL ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 1693 | break; |
---|
| 1694 | case ROAR_VS_CMD_SET_DEFAULT_PAUSED: |
---|
| 1695 | switch (*(int*)argp) { |
---|
| 1696 | case ROAR_VS_TRUE: |
---|
| 1697 | vss->flags |= FLAG_DEF_PAUSE; |
---|
| 1698 | break; |
---|
| 1699 | case ROAR_VS_FALSE: |
---|
| 1700 | vss->flags |= FLAG_DEF_PAUSE; |
---|
| 1701 | vss->flags -= FLAG_DEF_PAUSE; |
---|
| 1702 | break; |
---|
| 1703 | case ROAR_VS_TOGGLE: |
---|
| 1704 | if ( vss->flags & FLAG_DEF_PAUSE ) { |
---|
| 1705 | vss->flags -= FLAG_DEF_PAUSE; |
---|
| 1706 | } else { |
---|
| 1707 | vss->flags |= FLAG_DEF_PAUSE; |
---|
| 1708 | } |
---|
| 1709 | break; |
---|
| 1710 | default: |
---|
| 1711 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1712 | return -1; |
---|
| 1713 | break; |
---|
| 1714 | } |
---|
| 1715 | break; |
---|
| 1716 | case ROAR_VS_CMD_GET_DEFAULT_PAUSED: |
---|
| 1717 | *(int*)argp = vss->flags & FLAG_DEF_PAUSE ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
[4850] | 1718 | break; |
---|
[5075] | 1719 | case ROAR_VS_CMD_SET_ASYNC: |
---|
| 1720 | vss->async.level = *(int*)argp; |
---|
| 1721 | break; |
---|
| 1722 | case ROAR_VS_CMD_GET_ASYNC: |
---|
| 1723 | *(int*)argp = vss->async.level; |
---|
| 1724 | break; |
---|
| 1725 | case ROAR_VS_CMD_LOCK_ASYNC: |
---|
| 1726 | _ckasync(-1); |
---|
| 1727 | if ( argp == NULL ) { |
---|
| 1728 | vss->async.lock++; |
---|
| 1729 | } else { |
---|
| 1730 | vss->async.lock -= *(int*)argp; |
---|
| 1731 | } |
---|
| 1732 | break; |
---|
| 1733 | case ROAR_VS_CMD_UNLOCK_ASYNC: |
---|
| 1734 | if ( argp == NULL ) { |
---|
| 1735 | if ( !vss->async.lock ) { |
---|
| 1736 | _seterr(ROAR_ERROR_LOSTSYNC); |
---|
| 1737 | return -1; |
---|
| 1738 | } else { |
---|
| 1739 | vss->async.lock--; |
---|
| 1740 | } |
---|
| 1741 | } else { |
---|
| 1742 | if ( vss->async.lock < (size_t)*(int*)argp ) { |
---|
| 1743 | _seterr(ROAR_ERROR_LOSTSYNC); |
---|
| 1744 | return -1; |
---|
| 1745 | } else { |
---|
| 1746 | vss->async.lock -= *(int*)argp; |
---|
| 1747 | } |
---|
| 1748 | } |
---|
| 1749 | break; |
---|
[4719] | 1750 | // use ifndef here so warnings of unhandled enum values will be shown in DEBUG mode. |
---|
| 1751 | #ifndef DEBUG |
---|
| 1752 | default: |
---|
[5315] | 1753 | _seterr(ROAR_ERROR_BADRQC); |
---|
[4719] | 1754 | return -1; |
---|
| 1755 | break; |
---|
| 1756 | #endif |
---|
[4622] | 1757 | } |
---|
| 1758 | |
---|
| 1759 | return 0; |
---|
| 1760 | } |
---|
[4580] | 1761 | |
---|
[4183] | 1762 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
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[4260] | 1763 | _ckvss(NULL); |
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| 1764 | |
---|
[4183] | 1765 | return vss->con; |
---|
| 1766 | } |
---|
| 1767 | |
---|
| 1768 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
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[4260] | 1769 | _ckvss(NULL); |
---|
| 1770 | |
---|
[4183] | 1771 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1772 | _seterr(ROAR_ERROR_INVAL); |
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[4186] | 1773 | return NULL; |
---|
[4183] | 1774 | } |
---|
| 1775 | |
---|
| 1776 | return &(vss->stream); |
---|
| 1777 | } |
---|
| 1778 | |
---|
| 1779 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
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[4260] | 1780 | _ckvss(NULL); |
---|
| 1781 | |
---|
[4183] | 1782 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1783 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1784 | return NULL; |
---|
[4183] | 1785 | } |
---|
| 1786 | |
---|
[5262] | 1787 | return vss->vio_ptr; |
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[4183] | 1788 | } |
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| 1789 | |
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[4173] | 1790 | //ll |
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