[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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[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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[5073] | 52 | #define FLAG_ASYNC 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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[4260] | 60 | #define _ckvss(ret) do { if ( vss == NULL ) { _seterr(ROAR_ERROR_INVAL); return (ret); } } while(0) |
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[5071] | 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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[4206] | 69 | struct roar_audio_info info; |
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| 70 | size_t readc, writec; |
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| 71 | int mixerid; |
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| 72 | int first_primid; |
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[4580] | 73 | struct roar_buffer * readbuffer, * writebuffer; |
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| 74 | struct roar_vio_calls file_store; |
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| 75 | struct roar_vio_calls * file; |
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[4626] | 76 | struct roar_buffer * readring, * writering; |
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[4719] | 77 | #ifdef _HAVE_SOCKOPT |
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| 78 | struct { |
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| 79 | float target; |
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| 80 | float window; |
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| 81 | float minlag; |
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| 82 | float p; |
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| 83 | } latc; |
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| 84 | #endif |
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[5068] | 85 | struct { |
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| 86 | ssize_t last_pos; |
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[5069] | 87 | ssize_t last_offset; |
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[5068] | 88 | struct roar_time last_time; |
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| 89 | } latmes; |
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[5071] | 90 | struct { |
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[5073] | 91 | size_t lock; |
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[5071] | 92 | size_t qlen; |
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[5073] | 93 | int qcmd[ASYNC_QLEN]; |
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| 94 | int qsubcmd[ASYNC_QLEN]; |
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[5071] | 95 | } async; |
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[4174] | 96 | }; |
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| 97 | |
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[4206] | 98 | static int _roar_vs_find_first_prim(roar_vs_t * vss); |
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| 99 | |
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[5071] | 100 | static int _handle_async_req(roar_vs_t * vss, int * error) { |
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[5073] | 101 | struct roar_message mes; |
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| 102 | char * data = NULL; |
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| 103 | uint16_t * ud16 = (uint16_t *) mes.data; |
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| 104 | ssize_t offset; |
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| 105 | int cmd, subcmd; |
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| 106 | int i; |
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| 107 | |
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| 108 | if ( roar_recv_message(vss->con, &mes, &data) == -1 ) { |
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| 109 | _seterrre(); |
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| 110 | } |
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| 111 | |
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| 112 | cmd = vss->async.qcmd[0]; |
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| 113 | subcmd = vss->async.qsubcmd[0]; |
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| 114 | vss->async.qlen--; |
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| 115 | |
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| 116 | for (i = 1; i < ASYNC_QLEN; i++) { |
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| 117 | vss->async.qcmd[i-1] = vss->async.qcmd[i]; |
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| 118 | vss->async.qsubcmd[i-1] = vss->async.qsubcmd[i]; |
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| 119 | } |
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| 120 | |
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| 121 | if ( mes.cmd == ROAR_CMD_OK ) { |
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| 122 | switch (cmd) { |
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| 123 | case ROAR_CMD_GET_STREAM_PARA: |
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| 124 | if ( subcmd == ROAR_STREAM_PARA_INFO ) { |
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| 125 | if ( mes.datalen >= 16 ) { |
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| 126 | for (i = 0; i < mes.datalen/2; i++) { |
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| 127 | ud16[i] = ROAR_HOST2NET16(ud16[i]); |
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| 128 | } |
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| 129 | if ( ud16[0] == 0 || ud16[1] == 1 ) { |
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| 130 | offset = ud16[7]; |
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| 131 | offset *= 1000; |
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| 132 | offset *= vss->info.rate; |
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| 133 | offset /= 1000000; |
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| 134 | vss->latmes.last_offset = offset; |
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| 135 | } |
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| 136 | } |
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| 137 | } else { |
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| 138 | ROAR_WARN("_handle_async_req(vss=%p, error=%p): Got unexpected reply for command GET_STREAM_PARA, subcommand", vss, error, subcmd); |
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| 139 | } |
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| 140 | break; |
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| 141 | case ROAR_CMD_GET_STREAM: |
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| 142 | vss->latmes.last_offset = mes.pos; // ha, this is a easy one ;) |
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| 143 | break; |
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| 144 | default: |
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| 145 | ROAR_WARN("_handle_async_req(vss=%p, error=%p): Got unexpected reply for command %i", vss, error, cmd); |
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| 146 | break; |
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| 147 | } |
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| 148 | } |
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| 149 | |
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| 150 | if ( data != NULL ) |
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| 151 | free(data); |
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| 152 | |
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[5071] | 153 | _seterr(ROAR_ERROR_NOSYS); |
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| 154 | return -1; |
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| 155 | } |
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| 156 | |
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| 157 | static inline int _handle_async(roar_vs_t * vss, int * error) { |
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| 158 | while (vss->async.qlen) { |
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| 159 | if ( _handle_async_req(vss, error) == -1 ) { |
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| 160 | return -1; |
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| 161 | } |
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| 162 | } |
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| 163 | |
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| 164 | return 0; |
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| 165 | } |
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| 166 | |
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[4174] | 167 | const char * roar_vs_strerr(int error) { |
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[4793] | 168 | const char * ret = roar_error2str(error); |
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[4174] | 169 | |
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[4793] | 170 | if ( ret == NULL ) |
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| 171 | return "(unknown)"; |
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[4174] | 172 | |
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[4793] | 173 | return ret; |
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[4174] | 174 | } |
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| 175 | |
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| 176 | static roar_vs_t * roar_vs_init(int * error) { |
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| 177 | roar_vs_t * vss = roar_mm_malloc(sizeof(roar_vs_t)); |
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| 178 | |
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| 179 | if ( vss == NULL ) { |
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[4186] | 180 | _seterrse(); |
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[4174] | 181 | return NULL; |
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| 182 | } |
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| 183 | |
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| 184 | memset(vss, 0, sizeof(roar_vs_t)); |
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| 185 | |
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[4206] | 186 | vss->mixerid = -1; |
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| 187 | vss->first_primid = -1; |
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| 188 | |
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[4719] | 189 | #ifdef _HAVE_SOCKOPT |
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| 190 | vss->latc.target = -2.; // must be less than latc.minlag! |
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| 191 | vss->latc.window = -1.; |
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| 192 | vss->latc.minlag = -1.; |
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| 193 | vss->latc.p = 0.005; |
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| 194 | #endif |
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| 195 | |
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[5068] | 196 | vss->latmes.last_pos = -1; |
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| 197 | |
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[4174] | 198 | return vss; |
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| 199 | } |
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| 200 | |
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| 201 | roar_vs_t * roar_vs_new_from_con(struct roar_connection * con, int * error) { |
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| 202 | roar_vs_t * vss = roar_vs_init(error); |
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| 203 | |
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| 204 | if ( vss == NULL ) |
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| 205 | return NULL; |
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| 206 | |
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| 207 | vss->con = con; |
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| 208 | |
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| 209 | return vss; |
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| 210 | } |
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| 211 | |
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| 212 | roar_vs_t * roar_vs_new(const char * server, const char * name, int * error) { |
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| 213 | roar_vs_t * vss = roar_vs_init(error); |
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| 214 | int ret; |
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| 215 | |
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| 216 | if ( vss == NULL ) |
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| 217 | return NULL; |
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| 218 | |
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| 219 | vss->con = &(vss->con_store); |
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| 220 | |
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[4186] | 221 | _initerr(); |
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| 222 | |
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[4174] | 223 | ret = roar_simple_connect(vss->con, (char*)server, (char*)name); |
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| 224 | |
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| 225 | if ( ret == -1 ) { |
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| 226 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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[4186] | 227 | _seterrre(); |
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[4174] | 228 | return NULL; |
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| 229 | } |
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| 230 | |
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| 231 | return vss; |
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| 232 | } |
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| 233 | |
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| 234 | int roar_vs_stream(roar_vs_t * vss, const struct roar_audio_info * info, int dir, int * error) { |
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[4206] | 235 | struct roar_stream_info sinfo; |
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[4174] | 236 | int ret; |
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| 237 | |
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[4260] | 238 | _ckvss(-1); |
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| 239 | |
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[4174] | 240 | if ( vss->flags & FLAG_STREAM ) { |
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| 241 | _seterr(ROAR_ERROR_INVAL); |
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| 242 | return -1; |
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| 243 | } |
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| 244 | |
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[5025] | 245 | if ( dir == ROAR_DIR_FILTER ) |
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| 246 | vss->flags |= FLAG_DEF_PAUSE; |
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| 247 | |
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[4186] | 248 | _initerr(); |
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| 249 | |
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[4206] | 250 | if ( info != &(vss->info) ) |
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| 251 | memcpy(&(vss->info), info, sizeof(struct roar_audio_info)); |
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| 252 | |
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[4174] | 253 | ret = roar_vio_simple_new_stream_obj(&(vss->vio), vss->con, &(vss->stream), |
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| 254 | info->rate, info->channels, info->bits, info->codec, |
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| 255 | dir |
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| 256 | ); |
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| 257 | |
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| 258 | if ( ret == -1 ) { |
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[4186] | 259 | _seterrre(); |
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[4174] | 260 | return -1; |
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| 261 | } |
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| 262 | |
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[4206] | 263 | if ( roar_stream_get_info(vss->con, &(vss->stream), &sinfo) != -1 ) { |
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[4622] | 264 | // TODO: fix this: |
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| 265 | // as we currently do not support to select mixer we just check if we hit the |
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| 266 | // right one. |
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| 267 | if ( vss->mixerid != -1 && vss->mixerid != sinfo.mixer ) { |
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| 268 | _seterr(ROAR_ERROR_INVAL); // TODO: should we maybe use a diffrent value? |
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| 269 | roar_vio_close(&(vss->vio)); |
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| 270 | return -1; |
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| 271 | } |
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| 272 | |
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[4206] | 273 | vss->mixerid = sinfo.mixer; |
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| 274 | _roar_vs_find_first_prim(vss); |
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| 275 | } |
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| 276 | |
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[4174] | 277 | vss->flags |= FLAG_STREAM; |
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| 278 | |
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[4580] | 279 | switch (dir) { |
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| 280 | case ROAR_DIR_PLAY: vss->flags |= FLAG_DIR_OUT; break; |
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| 281 | } |
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| 282 | |
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[4174] | 283 | return 0; |
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| 284 | } |
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| 285 | |
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| 286 | 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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| 287 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 288 | int ret; |
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| 289 | |
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| 290 | if (vss == NULL) |
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| 291 | return NULL; |
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| 292 | |
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[4206] | 293 | memset(&(vss->info), 0, sizeof(vss->info)); |
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[4174] | 294 | |
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[4206] | 295 | vss->info.rate = rate; |
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| 296 | vss->info.channels = channels; |
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| 297 | vss->info.codec = codec; |
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| 298 | vss->info.bits = bits; |
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[4174] | 299 | |
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[4206] | 300 | ret = roar_vs_stream(vss, &(vss->info), dir, error); |
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[4174] | 301 | |
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| 302 | if (ret == -1) { |
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| 303 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 304 | return NULL; |
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| 305 | } |
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| 306 | |
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| 307 | return vss; |
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| 308 | } |
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| 309 | |
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[4580] | 310 | int roar_vs_file(roar_vs_t * vss, struct roar_vio_calls * vio, int closefile, int * error) { |
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| 311 | _ckvss(-1); |
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| 312 | |
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| 313 | if ( vio == NULL || (closefile != ROAR_VS_TRUE && closefile != ROAR_VS_FALSE)) { |
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| 314 | _seterr(ROAR_ERROR_INVAL); |
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| 315 | return -1; |
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| 316 | } |
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| 317 | |
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| 318 | if ( vss->file != NULL ) { |
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| 319 | _seterr(ROAR_ERROR_INVAL); |
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| 320 | return -1; |
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| 321 | } |
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| 322 | |
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| 323 | vss->file = vio; |
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| 324 | if ( closefile == ROAR_VS_TRUE ) |
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| 325 | vss->flags |= FLAG_CLOSEFILE; |
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| 326 | |
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| 327 | return 0; |
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| 328 | } |
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| 329 | |
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| 330 | int roar_vs_file_simple(roar_vs_t * vss, char * filename, int * error) { |
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| 331 | struct roar_vio_defaults def; |
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| 332 | struct roar_vio_calls * file; |
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| 333 | char buf[64]; |
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| 334 | ssize_t ret; |
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| 335 | int dir = O_RDONLY; |
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[4584] | 336 | int codec = -1; |
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| 337 | const char * content_type; |
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[4580] | 338 | |
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| 339 | _ckvss(-1); |
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| 340 | |
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| 341 | if ( vss->file != NULL ) { |
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| 342 | _seterr(ROAR_ERROR_INVAL); |
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| 343 | return -1; |
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| 344 | } |
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| 345 | |
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| 346 | if ( vss->flags & FLAG_STREAM ) { |
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| 347 | switch (vss->flags & (FLAG_DIR_IN|FLAG_DIR_OUT)) { |
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| 348 | case FLAG_DIR_IN: dir = O_WRONLY; break; |
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| 349 | case FLAG_DIR_OUT: dir = O_RDONLY; break; |
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| 350 | case FLAG_DIR_IN|FLAG_DIR_OUT: dir = O_RDWR; break; |
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[4616] | 351 | default: |
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| 352 | _seterr(ROAR_ERROR_INVAL); |
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| 353 | return -1; |
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[4580] | 354 | } |
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| 355 | } |
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| 356 | |
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| 357 | file = &(vss->file_store); |
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| 358 | |
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[4618] | 359 | _initerr(); |
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[4580] | 360 | |
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[4618] | 361 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_NONE, dir, 0644) == -1 ) { |
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| 362 | _seterrre(); |
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| 363 | return -1; |
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| 364 | } |
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[4580] | 365 | |
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| 366 | if ( roar_vio_open_dstr(file, filename, &def, 1) == -1 ) { |
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[4618] | 367 | _seterrre(); |
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[4580] | 368 | return -1; |
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| 369 | } |
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| 370 | |
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| 371 | if ( !(vss->flags & FLAG_STREAM) ) { |
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[4584] | 372 | if ( roar_vio_ctl(file, ROAR_VIO_CTL_GET_MIMETYPE, &content_type) != -1 ) { |
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| 373 | codec = roar_mime2codec(content_type); |
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| 374 | } |
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[4580] | 375 | |
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[4584] | 376 | if ( codec == -1 ) { |
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| 377 | ret = roar_vio_read(file, buf, sizeof(buf)); |
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| 378 | |
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| 379 | codec = roar_file_codecdetect(buf, ret); |
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[4580] | 380 | |
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[4584] | 381 | if ( codec == -1 ) { |
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| 382 | roar_vio_close(file); |
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[4618] | 383 | _seterr(ROAR_ERROR_INVAL); // Other value? |
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[4584] | 384 | return -1; |
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| 385 | } |
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| 386 | |
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| 387 | if ( roar_vio_lseek(file, 0, SEEK_SET) != 0 ) { |
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| 388 | roar_vio_close(file); |
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[4618] | 389 | _seterrre(); |
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[4584] | 390 | return -1; |
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| 391 | } |
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[4580] | 392 | } |
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| 393 | |
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| 394 | memset(&(vss->info), 0, sizeof(vss->info)); |
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| 395 | |
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| 396 | vss->info.rate = ROAR_RATE_DEFAULT; |
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| 397 | vss->info.channels = ROAR_CHANNELS_DEFAULT; |
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| 398 | vss->info.codec = codec; |
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| 399 | vss->info.bits = ROAR_BITS_DEFAULT; |
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| 400 | |
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| 401 | ret = roar_vs_stream(vss, &(vss->info), ROAR_DIR_PLAY, error); |
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| 402 | |
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| 403 | if ( ret == -1 ) { |
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| 404 | roar_vio_close(file); |
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| 405 | return -1; |
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| 406 | } |
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| 407 | } |
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| 408 | |
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| 409 | if ( roar_vs_file(vss, file, ROAR_VS_TRUE, error) == -1 ) { |
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| 410 | roar_vio_close(file); |
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| 411 | return -1; |
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| 412 | } |
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| 413 | |
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| 414 | return 0; |
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| 415 | } |
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| 416 | |
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| 417 | roar_vs_t * roar_vs_new_from_file(const char * server, const char * name, char * filename, int * error) { |
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| 418 | roar_vs_t * vss = roar_vs_new(server, name, error); |
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| 419 | |
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| 420 | if ( vss == NULL ) |
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| 421 | return NULL; |
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| 422 | |
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| 423 | if ( roar_vs_file_simple(vss, filename, error) != 0 ) { |
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| 424 | roar_vs_close(vss, ROAR_VS_TRUE, NULL); |
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| 425 | return NULL; |
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| 426 | } |
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| 427 | |
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| 428 | return vss; |
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| 429 | } |
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| 430 | |
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[4626] | 431 | int roar_vs_buffer(roar_vs_t * vss, size_t buffer, int * error) { |
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| 432 | _ckvss(-1); |
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| 433 | |
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| 434 | if ( vss->flags & FLAG_BUFFERED ) |
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| 435 | return -1; |
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| 436 | |
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| 437 | if ( roar_buffer_ring_new(&(vss->readring), buffer, 0) == -1 ) { |
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| 438 | _seterrre(); |
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| 439 | return -1; |
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| 440 | } |
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| 441 | |
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| 442 | if ( roar_buffer_ring_new(&(vss->writering), buffer, 0) == -1 ) { |
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| 443 | _seterrre(); |
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| 444 | roar_buffer_free(vss->readring); |
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| 445 | vss->readring = NULL; |
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| 446 | return -1; |
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| 447 | } |
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| 448 | |
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| 449 | vss->flags |= FLAG_BUFFERED; |
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| 450 | |
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| 451 | return 0; |
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| 452 | } |
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| 453 | |
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[4174] | 454 | int roar_vs_close(roar_vs_t * vss, int killit, int * error) { |
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[4178] | 455 | if ( killit != ROAR_VS_TRUE && killit != ROAR_VS_FALSE ) { |
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[4618] | 456 | _seterr(ROAR_ERROR_INVAL); |
---|
[4178] | 457 | return -1; |
---|
| 458 | } |
---|
| 459 | |
---|
[4260] | 460 | _ckvss(-1); |
---|
[5071] | 461 | _ckasync(-1); |
---|
[4260] | 462 | |
---|
[4580] | 463 | if ( vss->readbuffer != NULL ) |
---|
| 464 | roar_buffer_free(vss->readbuffer); |
---|
| 465 | if ( vss->writebuffer != NULL ) |
---|
| 466 | roar_buffer_free(vss->writebuffer); |
---|
| 467 | |
---|
[4626] | 468 | if ( vss->readring != NULL ) |
---|
| 469 | roar_buffer_free(vss->readring); |
---|
| 470 | if ( vss->writering != NULL ) |
---|
| 471 | roar_buffer_free(vss->writering); |
---|
| 472 | |
---|
[4580] | 473 | if ( vss->file != NULL && vss->flags & FLAG_CLOSEFILE ) |
---|
| 474 | roar_vio_close(vss->file); |
---|
| 475 | |
---|
[4174] | 476 | if ( vss->flags & FLAG_STREAM ) { |
---|
[4178] | 477 | if ( killit == ROAR_VS_TRUE ) { |
---|
[4174] | 478 | roar_kick(vss->con, ROAR_OT_STREAM, roar_stream_get_id(&(vss->stream))); |
---|
| 479 | } |
---|
| 480 | |
---|
| 481 | roar_vio_close(&(vss->vio)); |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | if ( vss->con == &(vss->con_store) ) { |
---|
| 485 | roar_disconnect(vss->con); |
---|
| 486 | } |
---|
| 487 | |
---|
| 488 | roar_mm_free(vss); |
---|
| 489 | return 0; |
---|
| 490 | } |
---|
| 491 | |
---|
[4626] | 492 | static ssize_t roar_vs_write_direct(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
| 493 | ssize_t ret = roar_vio_write(&(vss->vio), (void*)buf, len); |
---|
[4174] | 494 | |
---|
| 495 | if ( ret == -1 ) { |
---|
[4199] | 496 | #ifdef EAGAIN |
---|
[4873] | 497 | if ( roar_error == ROAR_ERROR_AGAIN ) |
---|
[4199] | 498 | return 0; |
---|
| 499 | #endif |
---|
| 500 | |
---|
[4186] | 501 | _seterrre(); |
---|
[4206] | 502 | } else { |
---|
[4717] | 503 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 504 | //printf("A: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
[4636] | 505 | vss->writec += ret; |
---|
[4717] | 506 | } |
---|
[4174] | 507 | } |
---|
| 508 | |
---|
[4717] | 509 | //printf("B: vss->writec=%zu, ret=%zi\n", vss->writec, ret); |
---|
[4174] | 510 | return ret; |
---|
| 511 | } |
---|
| 512 | |
---|
[4626] | 513 | ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error) { |
---|
| 514 | ssize_t ret; |
---|
| 515 | size_t writelen; |
---|
| 516 | |
---|
| 517 | _ckvss(-1); |
---|
| 518 | |
---|
| 519 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 520 | _seterr(ROAR_ERROR_INVAL); |
---|
| 521 | return -1; |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | _initerr(); |
---|
| 525 | |
---|
| 526 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 527 | writelen = len; |
---|
| 528 | |
---|
| 529 | if ( roar_buffer_ring_write(vss->writering, (void*)buf, &writelen) == -1 ) { |
---|
| 530 | _seterrre(); |
---|
| 531 | return -1; |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | ret = writelen; |
---|
| 535 | vss->writec += ret; |
---|
| 536 | } else { |
---|
| 537 | ret = roar_vs_write_direct(vss, buf, len, error); |
---|
| 538 | } |
---|
| 539 | |
---|
| 540 | return ret; |
---|
| 541 | } |
---|
| 542 | |
---|
[4174] | 543 | ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error) { |
---|
| 544 | ssize_t ret; |
---|
| 545 | |
---|
[4260] | 546 | _ckvss(-1); |
---|
| 547 | |
---|
[4174] | 548 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 549 | _seterr(ROAR_ERROR_INVAL); |
---|
| 550 | return -1; |
---|
| 551 | } |
---|
| 552 | |
---|
[4186] | 553 | _initerr(); |
---|
| 554 | |
---|
[4174] | 555 | ret = roar_vio_read(&(vss->vio), buf, len); |
---|
| 556 | |
---|
| 557 | if ( ret == -1 ) { |
---|
[4186] | 558 | _seterrre(); |
---|
[4206] | 559 | } else { |
---|
| 560 | vss->readc += ret; |
---|
[4174] | 561 | } |
---|
| 562 | |
---|
| 563 | return ret; |
---|
| 564 | } |
---|
| 565 | |
---|
[4175] | 566 | int roar_vs_sync (roar_vs_t * vss, int wait, int * error) { |
---|
[4579] | 567 | struct roar_event waits, triggered; |
---|
| 568 | |
---|
[4260] | 569 | _ckvss(-1); |
---|
| 570 | |
---|
[4175] | 571 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 572 | _seterr(ROAR_ERROR_INVAL); |
---|
| 573 | return -1; |
---|
| 574 | } |
---|
| 575 | |
---|
[4579] | 576 | if ( wait != ROAR_VS_NOWAIT && wait != ROAR_VS_WAIT ) { |
---|
[4175] | 577 | _seterr(ROAR_ERROR_INVAL); |
---|
| 578 | return -1; |
---|
| 579 | } |
---|
| 580 | |
---|
[4186] | 581 | _initerr(); |
---|
| 582 | |
---|
| 583 | if ( roar_vio_sync(&(vss->vio)) == -1 ) { |
---|
| 584 | _seterrre(); |
---|
| 585 | return -1; |
---|
| 586 | } |
---|
[4175] | 587 | |
---|
[4579] | 588 | if ( wait == ROAR_VS_WAIT ) { |
---|
[5071] | 589 | _ckasync(-1); |
---|
| 590 | |
---|
[4579] | 591 | memset(&waits, 0, sizeof(waits)); |
---|
| 592 | waits.event = ROAR_OE_STREAM_XRUN; |
---|
| 593 | waits.emitter = -1; |
---|
| 594 | waits.target = roar_stream_get_id(&(vss->stream)); |
---|
| 595 | waits.target_type = ROAR_OT_STREAM; |
---|
| 596 | |
---|
| 597 | if ( roar_wait(vss->con, &triggered, &waits, 1) == -1 ) { |
---|
| 598 | _seterrre(); |
---|
| 599 | return -1; |
---|
| 600 | } |
---|
| 601 | } |
---|
| 602 | |
---|
[4175] | 603 | return 0; |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | int roar_vs_blocking (roar_vs_t * vss, int val, int * error) { |
---|
| 607 | int old = -1; |
---|
| 608 | |
---|
[4260] | 609 | _ckvss(-1); |
---|
| 610 | |
---|
[4175] | 611 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 612 | _seterr(ROAR_ERROR_INVAL); |
---|
| 613 | return -1; |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | old = vss->flags & FLAG_NONBLOCK ? ROAR_VS_FALSE : ROAR_VS_TRUE; |
---|
| 617 | |
---|
[4186] | 618 | _initerr(); |
---|
| 619 | |
---|
[4175] | 620 | switch (val) { |
---|
| 621 | case ROAR_VS_TRUE: |
---|
| 622 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_BLOCK) == -1 ) { |
---|
[4186] | 623 | _seterrre(); |
---|
[4175] | 624 | return -1; |
---|
| 625 | } |
---|
| 626 | vss->flags |= FLAG_NONBLOCK; |
---|
| 627 | vss->flags -= FLAG_NONBLOCK; |
---|
| 628 | return old; |
---|
| 629 | break; |
---|
| 630 | case ROAR_VS_FALSE: |
---|
| 631 | if ( roar_vio_nonblock(&(vss->vio), ROAR_SOCKET_NONBLOCK) == -1 ) { |
---|
[4186] | 632 | _seterrre(); |
---|
[4175] | 633 | return -1; |
---|
| 634 | } |
---|
| 635 | vss->flags |= FLAG_NONBLOCK; |
---|
| 636 | return old; |
---|
| 637 | break; |
---|
| 638 | case ROAR_VS_TOGGLE: |
---|
| 639 | if ( old == ROAR_VS_TRUE ) { |
---|
| 640 | return roar_vs_blocking(vss, ROAR_VS_FALSE, error); |
---|
| 641 | } else { |
---|
| 642 | return roar_vs_blocking(vss, ROAR_VS_TRUE, error); |
---|
| 643 | } |
---|
| 644 | break; |
---|
| 645 | case ROAR_VS_ASK: |
---|
| 646 | return old; |
---|
| 647 | break; |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | _seterr(ROAR_ERROR_INVAL); |
---|
| 651 | return -1; |
---|
| 652 | } |
---|
| 653 | |
---|
[4206] | 654 | static int _roar_vs_find_first_prim(roar_vs_t * vss) { |
---|
| 655 | struct roar_stream stream; |
---|
| 656 | struct roar_stream_info info; |
---|
| 657 | int id[ROAR_STREAMS_MAX]; |
---|
| 658 | int num; |
---|
| 659 | int i; |
---|
[5071] | 660 | int * error = NULL; // needed for _ckasync() macro |
---|
| 661 | |
---|
| 662 | _ckasync(-1); |
---|
[4206] | 663 | |
---|
| 664 | if ( vss->first_primid != -1 ) |
---|
| 665 | return vss->first_primid; |
---|
| 666 | |
---|
| 667 | if ( vss->mixerid == -1 ) |
---|
| 668 | return -1; |
---|
| 669 | |
---|
| 670 | if ( (num = roar_list_streams(vss->con, id, ROAR_STREAMS_MAX)) == -1 ) { |
---|
| 671 | return -1; |
---|
| 672 | } |
---|
| 673 | |
---|
| 674 | for (i = 0; i < num; i++) { |
---|
| 675 | if ( roar_get_stream(vss->con, &stream, id[i]) == -1 ) |
---|
| 676 | continue; |
---|
| 677 | |
---|
| 678 | if ( stream.dir != ROAR_DIR_OUTPUT ) |
---|
| 679 | continue; |
---|
| 680 | |
---|
| 681 | if ( roar_stream_get_info(vss->con, &stream, &info) == -1 ) |
---|
| 682 | continue; |
---|
| 683 | |
---|
| 684 | if ( info.mixer == vss->mixerid ) { |
---|
| 685 | vss->first_primid = id[i]; |
---|
| 686 | return id[i]; |
---|
| 687 | } |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | return -1; |
---|
| 691 | } |
---|
| 692 | |
---|
| 693 | ssize_t roar_vs_position(roar_vs_t * vss, int backend, int * error) { |
---|
| 694 | struct roar_stream stream; |
---|
| 695 | struct roar_stream out_stream; |
---|
| 696 | struct roar_stream_info out_info; |
---|
[4637] | 697 | size_t offset = 0; |
---|
[4206] | 698 | |
---|
[4260] | 699 | _ckvss(-1); |
---|
[5071] | 700 | _ckasync(-1); |
---|
[4260] | 701 | |
---|
[4206] | 702 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 703 | _seterr(ROAR_ERROR_INVAL); |
---|
| 704 | return -1; |
---|
| 705 | } |
---|
| 706 | |
---|
| 707 | _initerr(); |
---|
| 708 | |
---|
| 709 | if ( roar_get_stream(vss->con, &stream, roar_stream_get_id(&(vss->stream))) == -1 ) { |
---|
| 710 | _seterrre(); |
---|
| 711 | return -1; |
---|
| 712 | } |
---|
| 713 | |
---|
[4638] | 714 | if ( backend == ROAR_VS_BACKEND_DEFAULT ) { |
---|
| 715 | backend = ROAR_VS_BACKEND_FIRST; |
---|
| 716 | } |
---|
| 717 | |
---|
[4206] | 718 | switch (backend) { |
---|
| 719 | case ROAR_VS_BACKEND_NONE: |
---|
[5068] | 720 | // return stream.pos; |
---|
| 721 | // do nothing. |
---|
[4206] | 722 | break; |
---|
| 723 | case ROAR_VS_BACKEND_FIRST: |
---|
| 724 | if ( vss->first_primid == -1 ) { |
---|
| 725 | _seterr(ROAR_ERROR_UNKNOWN); |
---|
| 726 | return -1; |
---|
| 727 | } |
---|
| 728 | |
---|
[4637] | 729 | backend = vss->first_primid; |
---|
| 730 | break; |
---|
| 731 | default: |
---|
| 732 | if ( backend < 0 ) { |
---|
| 733 | _seterr(ROAR_ERROR_INVAL); |
---|
[4206] | 734 | return -1; |
---|
| 735 | } |
---|
| 736 | break; |
---|
| 737 | } |
---|
| 738 | |
---|
[4637] | 739 | |
---|
| 740 | if ( backend >= 0 ) { |
---|
| 741 | roar_stream_new_by_id(&out_stream, backend); |
---|
| 742 | |
---|
| 743 | if ( roar_stream_get_info(vss->con, &out_stream, &out_info) == -1 ) { |
---|
| 744 | _seterrre(); |
---|
| 745 | return -1; |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | offset = out_info.delay * vss->info.rate; |
---|
| 749 | offset /= 1000000; |
---|
| 750 | } |
---|
| 751 | |
---|
[5068] | 752 | if ( roar_clock_gettime(&(vss->latmes.last_time), LOCAL_CLOCK) == -1 ) { |
---|
| 753 | vss->latmes.last_pos = -1; |
---|
| 754 | } else { |
---|
[5069] | 755 | vss->latmes.last_pos = stream.pos; |
---|
| 756 | vss->latmes.last_offset = offset; |
---|
[5068] | 757 | } |
---|
| 758 | |
---|
[4637] | 759 | return stream.pos + offset; |
---|
[4175] | 760 | } |
---|
| 761 | |
---|
[4719] | 762 | #ifdef _HAVE_SOCKOPT |
---|
| 763 | static void roar_vs_latency_managed(roar_vs_t * vss, roar_mus_t lat) { |
---|
| 764 | struct roar_vio_sysio_sockopt sockopt; |
---|
| 765 | float tmp = ((float)lat/1000.0) - vss->latc.target; |
---|
| 766 | int val; |
---|
| 767 | |
---|
| 768 | tmp *= vss->latc.p; |
---|
| 769 | |
---|
| 770 | sockopt.level = SOL_SOCKET; |
---|
| 771 | sockopt.optname = SO_SNDBUF; |
---|
| 772 | sockopt.optval = &val; |
---|
| 773 | sockopt.optlen = sizeof(val); |
---|
| 774 | |
---|
| 775 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_GET_SYSIO_SOCKOPT, &sockopt); |
---|
| 776 | |
---|
| 777 | val /= 2; |
---|
| 778 | |
---|
| 779 | tmp = 1.0 - tmp; |
---|
| 780 | |
---|
| 781 | val = (float)val*tmp; |
---|
| 782 | |
---|
| 783 | sockopt.optlen = sizeof(val); |
---|
| 784 | |
---|
| 785 | roar_vio_ctl(&(vss->vio), ROAR_VIO_CTL_SET_SYSIO_SOCKOPT, &sockopt); |
---|
| 786 | } |
---|
| 787 | #endif |
---|
| 788 | |
---|
[4206] | 789 | roar_mus_t roar_vs_latency(roar_vs_t * vss, int backend, int * error) { |
---|
| 790 | ssize_t pos = roar_vs_position(vss, backend, error); |
---|
| 791 | ssize_t bps; // byte per sample |
---|
| 792 | size_t lioc; // local IO (byte) counter |
---|
| 793 | size_t lpos; // local possition |
---|
[4636] | 794 | signed long long int lag; |
---|
[4206] | 795 | |
---|
[4717] | 796 | // printf("pos=%zi\n", pos); |
---|
| 797 | |
---|
[4215] | 798 | _initerr(); |
---|
| 799 | |
---|
[5068] | 800 | _ckvss(0); |
---|
[5071] | 801 | _ckasync(-1); |
---|
[4260] | 802 | |
---|
[4215] | 803 | if (pos == -1) { |
---|
| 804 | _seterrre(); |
---|
| 805 | return 0; |
---|
| 806 | } |
---|
[4206] | 807 | |
---|
| 808 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 809 | _seterr(ROAR_ERROR_INVAL); |
---|
[4213] | 810 | return 0; |
---|
[4206] | 811 | } |
---|
| 812 | |
---|
| 813 | if ( vss->writec == 0 ) { |
---|
| 814 | lioc = vss->readc; |
---|
| 815 | } else { |
---|
[4717] | 816 | //printf("writec=%zu\n", vss->writec); |
---|
[4206] | 817 | lioc = vss->writec; |
---|
| 818 | } |
---|
| 819 | |
---|
| 820 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 821 | |
---|
| 822 | if ( bps == -1 ) { |
---|
| 823 | _seterrre(); |
---|
[4213] | 824 | return 0; |
---|
[4206] | 825 | } |
---|
| 826 | |
---|
[4636] | 827 | lpos = (lioc*8) / bps; |
---|
[4206] | 828 | |
---|
[4717] | 829 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
[4636] | 830 | |
---|
| 831 | lag = (signed long long int)lpos - (signed long long int)pos; |
---|
| 832 | lag /= vss->info.channels; |
---|
[4206] | 833 | |
---|
| 834 | // we now have the lag in frames |
---|
[4636] | 835 | // return value are mus |
---|
| 836 | // so we need to multiply with 1s/mus and |
---|
[4206] | 837 | // multiply by 1/rate |
---|
| 838 | |
---|
[4636] | 839 | lag *= 1000000; // 1s/mus |
---|
[4206] | 840 | lag /= vss->info.rate; |
---|
| 841 | |
---|
[4213] | 842 | if ( lag == 0 ) { |
---|
| 843 | _seterr(ROAR_ERROR_NONE); |
---|
| 844 | } |
---|
| 845 | |
---|
[4719] | 846 | #ifdef _HAVE_SOCKOPT |
---|
| 847 | if (vss->latc.target > vss->latc.minlag) { |
---|
| 848 | roar_vs_latency_managed(vss, lag); |
---|
| 849 | } |
---|
| 850 | #endif |
---|
| 851 | |
---|
[4206] | 852 | return lag; |
---|
| 853 | } |
---|
| 854 | |
---|
[5068] | 855 | roar_mus_t roar_vs_latency2(roar_vs_t * vss, int backend, int wait, int * error) { |
---|
| 856 | ssize_t bps; // byte per sample |
---|
| 857 | size_t lioc; // local IO (byte) counter |
---|
| 858 | size_t lpos; // local possition |
---|
| 859 | signed long long int lag; |
---|
| 860 | struct roar_time rt; |
---|
| 861 | |
---|
| 862 | _initerr(); |
---|
| 863 | |
---|
| 864 | _ckvss(0); |
---|
| 865 | |
---|
| 866 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 867 | _seterr(ROAR_ERROR_INVAL); |
---|
| 868 | return 0; |
---|
| 869 | } |
---|
| 870 | |
---|
| 871 | if ( wait == ROAR_VS_WAIT ) { |
---|
| 872 | return roar_vs_latency(vss, backend, error); |
---|
| 873 | } else if ( wait == ROAR_VS_NOWAIT ) { |
---|
| 874 | if ( vss->latmes.last_pos == -1 ) { |
---|
| 875 | _seterr(ROAR_ERROR_NODATA); |
---|
| 876 | return 0; |
---|
| 877 | } |
---|
| 878 | |
---|
| 879 | if ( vss->writec == 0 ) { |
---|
| 880 | lioc = vss->readc; |
---|
| 881 | } else { |
---|
| 882 | //printf("writec=%zu\n", vss->writec); |
---|
| 883 | lioc = vss->writec; |
---|
| 884 | } |
---|
| 885 | |
---|
| 886 | bps = roar_info2samplesize(&(vss->info)); |
---|
| 887 | |
---|
| 888 | if ( bps == -1 ) { |
---|
| 889 | _seterrre(); |
---|
| 890 | return 0; |
---|
| 891 | } |
---|
| 892 | |
---|
| 893 | lpos = (lioc*8) / bps; |
---|
| 894 | |
---|
| 895 | //printf("pos=%zi, lpos=%zi, bps=%zi, diff[lpos-pos]=%zi\n", pos, lpos, bps, (lpos - pos)); |
---|
| 896 | |
---|
[5069] | 897 | lag = (signed long long int)lpos - (signed long long int)(vss->latmes.last_pos + vss->latmes.last_offset); |
---|
[5068] | 898 | lag /= vss->info.channels; |
---|
| 899 | |
---|
| 900 | // we now have the lag in frames |
---|
| 901 | // return value are mus |
---|
| 902 | // so we need to multiply with 1s/mus and |
---|
| 903 | // multiply by 1/rate |
---|
| 904 | |
---|
| 905 | lag *= 1000000; // 1s/mus |
---|
| 906 | lag /= vss->info.rate; |
---|
| 907 | |
---|
| 908 | _initerr(); |
---|
| 909 | if ( roar_clock_gettime(&rt, LOCAL_CLOCK) == -1 ) { |
---|
| 910 | _seterrre(); |
---|
| 911 | return 0; |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | // 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); |
---|
| 915 | // printf("%lli, %llu\n", rt.t_sec, rt.t_ssec); |
---|
| 916 | lag -= (rt.t_sec - vss->latmes.last_time.t_sec ) * 1000000LL; |
---|
| 917 | lag -= ((int64_t)(rt.t_ssec/2) - (int64_t)(vss->latmes.last_time.t_ssec/2)) / 9223372036855LL; |
---|
| 918 | |
---|
| 919 | if ( lag == 0 ) { |
---|
| 920 | _seterr(ROAR_ERROR_NONE); |
---|
| 921 | } |
---|
| 922 | |
---|
| 923 | return lag; |
---|
| 924 | } |
---|
| 925 | |
---|
| 926 | _seterr(ROAR_ERROR_INVAL); |
---|
| 927 | return 0; |
---|
| 928 | } |
---|
| 929 | |
---|
[4175] | 930 | static int roar_vs_flag(roar_vs_t * vss, int flag, int val, int * error) { |
---|
| 931 | struct roar_stream_info info; |
---|
| 932 | int old = -1; |
---|
| 933 | |
---|
[4260] | 934 | _ckvss(-1); |
---|
[5071] | 935 | _ckasync(-1); |
---|
[4260] | 936 | |
---|
[4175] | 937 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 938 | _seterr(ROAR_ERROR_INVAL); |
---|
| 939 | return -1; |
---|
| 940 | } |
---|
| 941 | |
---|
| 942 | if ( val != ROAR_VS_ASK ) |
---|
| 943 | old = roar_vs_flag(vss, flag, ROAR_VS_ASK, error); |
---|
| 944 | |
---|
[4186] | 945 | _initerr(); |
---|
| 946 | |
---|
[4175] | 947 | switch (val) { |
---|
| 948 | case ROAR_VS_TRUE: |
---|
| 949 | case ROAR_VS_FALSE: |
---|
[5051] | 950 | if ( roar_stream_set_flags2(vss->con, &(vss->stream), flag, |
---|
| 951 | val == ROAR_VS_TRUE ? ROAR_SET_FLAG : ROAR_RESET_FLAG) == -1 ) { |
---|
[4186] | 952 | _seterrre(); |
---|
[4175] | 953 | return -1; |
---|
| 954 | } |
---|
| 955 | return old; |
---|
| 956 | break; |
---|
| 957 | case ROAR_VS_TOGGLE: |
---|
| 958 | return roar_vs_flag(vss, flag, old == ROAR_VS_TRUE ? ROAR_VS_FALSE : ROAR_VS_TRUE, error); |
---|
| 959 | break; |
---|
| 960 | case ROAR_VS_ASK: |
---|
| 961 | if ( roar_stream_get_info(vss->con, &(vss->stream), &info) == -1 ) { |
---|
[4186] | 962 | _seterrre(); |
---|
[4175] | 963 | return -1; |
---|
| 964 | } |
---|
| 965 | return info.flags & flag ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 966 | break; |
---|
| 967 | } |
---|
| 968 | |
---|
[4187] | 969 | _seterr(ROAR_ERROR_INVAL); |
---|
[4175] | 970 | return -1; |
---|
| 971 | } |
---|
| 972 | |
---|
| 973 | int roar_vs_pause(roar_vs_t * vss, int val, int * error) { |
---|
| 974 | return roar_vs_flag(vss, ROAR_FLAG_PAUSE, val, error); |
---|
| 975 | } |
---|
| 976 | |
---|
| 977 | int roar_vs_mute (roar_vs_t * vss, int val, int * error) { |
---|
| 978 | return roar_vs_flag(vss, ROAR_FLAG_MUTE, val, error); |
---|
| 979 | } |
---|
| 980 | |
---|
| 981 | static int roar_vs_volume (roar_vs_t * vss, float * c, size_t channels, int * error) { |
---|
| 982 | struct roar_mixer_settings mixer; |
---|
| 983 | size_t i; |
---|
[4850] | 984 | register float s, max_s = -100.0, scale = 65535.0; |
---|
[4182] | 985 | int oldchannels; |
---|
[4740] | 986 | int mode = ROAR_SET_VOL_ALL; |
---|
[4175] | 987 | |
---|
[4260] | 988 | _ckvss(-1); |
---|
[5071] | 989 | _ckasync(-1); |
---|
[4260] | 990 | |
---|
[4175] | 991 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 992 | _seterr(ROAR_ERROR_INVAL); |
---|
| 993 | return -1; |
---|
| 994 | } |
---|
| 995 | |
---|
| 996 | if ( channels > ROAR_MAX_CHANNELS ) { |
---|
| 997 | _seterr(ROAR_ERROR_INVAL); |
---|
| 998 | return -1; |
---|
| 999 | } |
---|
| 1000 | |
---|
[4186] | 1001 | _initerr(); |
---|
| 1002 | |
---|
[4182] | 1003 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &oldchannels) == -1 ) { |
---|
[4186] | 1004 | _seterrre(); |
---|
[4182] | 1005 | return -1; |
---|
| 1006 | } |
---|
| 1007 | |
---|
[4850] | 1008 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1009 | for (i = 0; i < channels; i++) { |
---|
| 1010 | if ( c[i] > max_s ) { |
---|
| 1011 | max_s = c[i]; |
---|
| 1012 | } else if ( c[i] < -0.01 ) { |
---|
| 1013 | _seterr(ROAR_ERROR_RANGE); |
---|
| 1014 | return -1; |
---|
| 1015 | } |
---|
| 1016 | } |
---|
| 1017 | |
---|
| 1018 | if ( max_s > 1.00 ) { |
---|
| 1019 | scale = 65535.0 / max_s; |
---|
| 1020 | } |
---|
| 1021 | } |
---|
| 1022 | |
---|
[4179] | 1023 | for (i = 0; i < channels; i++) { |
---|
[4850] | 1024 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1025 | s = c[i] * scale; |
---|
| 1026 | if ( s < 0.0 ) |
---|
| 1027 | s = 0.0; |
---|
| 1028 | } else { |
---|
| 1029 | s = c[i] * 65535.0; |
---|
| 1030 | if ( s > 66190.0 || s < -655.0 ) { |
---|
| 1031 | _seterr(ROAR_ERROR_RANGE); |
---|
| 1032 | return -1; |
---|
| 1033 | } else if ( s > 65535.0 ) { |
---|
| 1034 | s = 65535.0; |
---|
| 1035 | } else if ( s < 0.0 ) { |
---|
| 1036 | s = 0.0; |
---|
| 1037 | } |
---|
[4179] | 1038 | } |
---|
| 1039 | mixer.mixer[i] = s; |
---|
| 1040 | } |
---|
[4175] | 1041 | |
---|
[4850] | 1042 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1043 | mixer.scale = scale; |
---|
| 1044 | } else { |
---|
| 1045 | mixer.scale = 65535; |
---|
| 1046 | } |
---|
[4182] | 1047 | |
---|
[4740] | 1048 | if ( channels != oldchannels ) |
---|
| 1049 | mode = ROAR_SET_VOL_UNMAPPED; |
---|
| 1050 | |
---|
| 1051 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == 0 ) |
---|
| 1052 | return 0; |
---|
| 1053 | |
---|
| 1054 | if ( mode == ROAR_SET_VOL_ALL ) { |
---|
| 1055 | _seterrre(); |
---|
| 1056 | return -1; |
---|
[4182] | 1057 | } |
---|
[4175] | 1058 | |
---|
[4740] | 1059 | if ( roar_conv_volume(&mixer, &mixer, oldchannels, channels) == -1 ) { |
---|
| 1060 | _seterrre(); |
---|
| 1061 | return -1; |
---|
| 1062 | } |
---|
| 1063 | |
---|
| 1064 | channels = oldchannels; |
---|
| 1065 | mode = ROAR_SET_VOL_ALL; |
---|
| 1066 | |
---|
| 1067 | if ( roar_set_vol2(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, channels, mode) == -1 ) { |
---|
[4186] | 1068 | _seterrre(); |
---|
[4175] | 1069 | return -1; |
---|
| 1070 | } |
---|
| 1071 | |
---|
| 1072 | return 0; |
---|
| 1073 | } |
---|
| 1074 | |
---|
| 1075 | int roar_vs_volume_mono (roar_vs_t * vss, float c, int * error) { |
---|
| 1076 | return roar_vs_volume(vss, &c, 1, error); |
---|
| 1077 | } |
---|
| 1078 | |
---|
| 1079 | int roar_vs_volume_stereo (roar_vs_t * vss, float l, float r, int * error) { |
---|
| 1080 | float c[2] = {l, r}; |
---|
| 1081 | return roar_vs_volume(vss, c, 2, error); |
---|
| 1082 | } |
---|
| 1083 | |
---|
| 1084 | int roar_vs_volume_get (roar_vs_t * vss, float * l, float * r, int * error) { |
---|
| 1085 | struct roar_mixer_settings mixer; |
---|
| 1086 | int channels; |
---|
| 1087 | |
---|
| 1088 | if ( vss == NULL || l == NULL || r == NULL ) { |
---|
| 1089 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1090 | return -1; |
---|
| 1091 | } |
---|
| 1092 | |
---|
| 1093 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1094 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1095 | return -1; |
---|
| 1096 | } |
---|
| 1097 | |
---|
[5071] | 1098 | _ckasync(-1); |
---|
| 1099 | |
---|
[4186] | 1100 | _initerr(); |
---|
| 1101 | |
---|
[4175] | 1102 | if ( roar_get_vol(vss->con, roar_stream_get_id(&(vss->stream)), &mixer, &channels) == -1 ) { |
---|
[4186] | 1103 | _seterrre(); |
---|
[4175] | 1104 | return -1; |
---|
| 1105 | } |
---|
| 1106 | |
---|
| 1107 | if ( channels == 1 ) |
---|
| 1108 | mixer.mixer[1] = mixer.mixer[0]; |
---|
| 1109 | |
---|
| 1110 | *l = mixer.mixer[0] / (float)mixer.scale; |
---|
| 1111 | *r = mixer.mixer[1] / (float)mixer.scale; |
---|
| 1112 | |
---|
| 1113 | return 0; |
---|
| 1114 | } |
---|
| 1115 | |
---|
[4176] | 1116 | int roar_vs_meta (roar_vs_t * vss, struct roar_keyval * kv, size_t len, int * error) { |
---|
| 1117 | struct roar_meta meta; |
---|
| 1118 | size_t i; |
---|
| 1119 | int type; |
---|
[4180] | 1120 | int ret = 0; |
---|
[4176] | 1121 | |
---|
[4260] | 1122 | _ckvss(-1); |
---|
[5071] | 1123 | _ckasync(-1); |
---|
[4260] | 1124 | |
---|
[4176] | 1125 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1126 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1127 | return -1; |
---|
| 1128 | } |
---|
| 1129 | |
---|
| 1130 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 1131 | meta.key[0] = 0; |
---|
| 1132 | meta.value = NULL; |
---|
| 1133 | |
---|
[4186] | 1134 | _initerr(); |
---|
[4176] | 1135 | |
---|
[4180] | 1136 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_CLEAR, &meta) == -1 ) { |
---|
[4186] | 1137 | _seterrre(); |
---|
[4180] | 1138 | ret = -1; |
---|
| 1139 | } |
---|
[4176] | 1140 | |
---|
| 1141 | for (i = 0; i < len; i++) { |
---|
| 1142 | type = roar_meta_inttype(kv[i].key); |
---|
| 1143 | meta.type = type; |
---|
| 1144 | meta.value = kv[i].value; |
---|
| 1145 | |
---|
[4180] | 1146 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_ADD, &meta) == -1 ) { |
---|
[4186] | 1147 | _seterrre(); |
---|
[4180] | 1148 | ret = -1; |
---|
| 1149 | } |
---|
[4176] | 1150 | } |
---|
| 1151 | |
---|
| 1152 | meta.type = ROAR_META_TYPE_NONE; |
---|
| 1153 | meta.key[0] = 0; |
---|
| 1154 | meta.value = NULL; |
---|
[4180] | 1155 | if ( roar_stream_meta_set(vss->con, &(vss->stream), ROAR_META_MODE_FINALIZE, &meta) == -1 ) { |
---|
[4186] | 1156 | _seterrre(); |
---|
[4180] | 1157 | ret = -1; |
---|
| 1158 | } |
---|
[4176] | 1159 | |
---|
[4180] | 1160 | return ret; |
---|
[4176] | 1161 | } |
---|
[4174] | 1162 | |
---|
[4212] | 1163 | int roar_vs_role (roar_vs_t * vss, int role, int * error) { |
---|
[4260] | 1164 | _ckvss(-1); |
---|
[5071] | 1165 | _ckasync(-1); |
---|
[4260] | 1166 | |
---|
[4212] | 1167 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1168 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1169 | return -1; |
---|
| 1170 | } |
---|
| 1171 | |
---|
| 1172 | _initerr(); |
---|
| 1173 | |
---|
| 1174 | if ( roar_stream_set_role(vss->con, &(vss->stream), role) == -1 ) { |
---|
| 1175 | _seterrre(); |
---|
| 1176 | return -1; |
---|
| 1177 | } |
---|
| 1178 | |
---|
| 1179 | return 0; |
---|
| 1180 | } |
---|
| 1181 | |
---|
[4580] | 1182 | |
---|
| 1183 | int roar_vs_iterate (roar_vs_t * vss, int wait, int * error) { |
---|
| 1184 | struct roar_vio_select vios[3]; |
---|
| 1185 | struct roar_vio_selecttv rtv = {.sec = 0, .nsec = 1}; |
---|
| 1186 | size_t len = 0; |
---|
| 1187 | ssize_t i; |
---|
| 1188 | ssize_t ret; |
---|
| 1189 | int can_read = 0, can_write = 0; |
---|
| 1190 | int can_flush_stream = 0, can_flush_file = 0; |
---|
| 1191 | int is_eof = 0; |
---|
| 1192 | void * data; |
---|
[4626] | 1193 | size_t tmp; |
---|
| 1194 | |
---|
| 1195 | // TODO: fix error handling below. |
---|
[4580] | 1196 | |
---|
| 1197 | _ckvss(-1); |
---|
| 1198 | |
---|
| 1199 | if ( wait != ROAR_VS_WAIT && wait != ROAR_VS_NOWAIT ) { |
---|
| 1200 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1201 | return -1; |
---|
| 1202 | } |
---|
| 1203 | |
---|
| 1204 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), &(vss->vio), ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_READ : 0) | |
---|
| 1205 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_WRITE : 0))); |
---|
| 1206 | vios[len].ud.vp = &(vss->vio); |
---|
| 1207 | len++; |
---|
| 1208 | |
---|
| 1209 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), roar_get_connection_vio2(vss->con), ROAR_VIO_SELECT_READ); |
---|
| 1210 | vios[len].ud.vp = vss->con; |
---|
| 1211 | len++; |
---|
| 1212 | |
---|
| 1213 | |
---|
| 1214 | // TODO: FIXME: need to do two select()s so we can sleep more efficently and test for both directions. |
---|
| 1215 | // for the moment we disable file direction and hope it will not block anyway... |
---|
| 1216 | /* |
---|
| 1217 | if ( vss->file != NULL ) { |
---|
| 1218 | ROAR_VIO_SELECT_SETVIO(&(vios[len]), vss->file, ((vss->flags & FLAG_DIR_IN ? ROAR_VIO_SELECT_WRITE : 0) | |
---|
| 1219 | (vss->flags & FLAG_DIR_OUT ? ROAR_VIO_SELECT_READ : 0))); |
---|
| 1220 | vios[len].ud.vp = vss->file; |
---|
| 1221 | len++; |
---|
| 1222 | } |
---|
| 1223 | */ |
---|
| 1224 | |
---|
| 1225 | ret = roar_vio_select(vios, len, (wait == ROAR_VS_NOWAIT ? &rtv : NULL), NULL); |
---|
| 1226 | |
---|
| 1227 | // part 2 of above hack: |
---|
| 1228 | // emulate read handle. |
---|
[4626] | 1229 | if ( vss->file != NULL ) { |
---|
| 1230 | vios[len].ud.vp = vss->file; |
---|
| 1231 | vios[len].eventsa = ROAR_VIO_SELECT_WRITE|ROAR_VIO_SELECT_READ; |
---|
| 1232 | len++; |
---|
| 1233 | } |
---|
[4580] | 1234 | |
---|
| 1235 | // no error here nor EOF. |
---|
| 1236 | if ( ret == 0 ) |
---|
| 1237 | return 1; |
---|
| 1238 | |
---|
| 1239 | for (i = 0; i < len; i++) { |
---|
| 1240 | if ( !vios[i].eventsa ) |
---|
| 1241 | continue; |
---|
| 1242 | |
---|
| 1243 | if ( vios[i].ud.vp == &(vss->vio) ) { |
---|
| 1244 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1245 | can_read++; |
---|
| 1246 | |
---|
| 1247 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1248 | can_write++; |
---|
| 1249 | can_flush_stream = 1; |
---|
| 1250 | } |
---|
| 1251 | } else if ( vios[i].ud.vp == vss->con ) { |
---|
[5073] | 1252 | if ( vss->async.qlen ) { |
---|
| 1253 | _handle_async_req(vss, NULL); |
---|
| 1254 | } else { |
---|
| 1255 | roar_sync(vss->con); |
---|
| 1256 | } |
---|
[4626] | 1257 | } else if ( vss->file != NULL && vios[i].ud.vp == vss->file ) { |
---|
[4580] | 1258 | if ( vios[i].eventsa & ROAR_VIO_SELECT_READ ) |
---|
| 1259 | can_write++; |
---|
| 1260 | |
---|
| 1261 | if ( vios[i].eventsa & ROAR_VIO_SELECT_WRITE ) { |
---|
| 1262 | can_read++; |
---|
| 1263 | can_flush_file = 1; |
---|
| 1264 | } |
---|
| 1265 | } |
---|
| 1266 | } |
---|
| 1267 | |
---|
[4626] | 1268 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1269 | if ( roar_buffer_ring_avail(vss->readring, NULL, &tmp) != -1 ) |
---|
| 1270 | if ( tmp > 0 ) |
---|
| 1271 | can_read++; |
---|
| 1272 | |
---|
[4628] | 1273 | // no check here to just let the read return zero and we do EOF handling. |
---|
| 1274 | /* |
---|
[4626] | 1275 | if ( roar_buffer_ring_avail(vss->writering, &tmp, NULL) != -1 ) |
---|
| 1276 | if ( tmp > 0 ) |
---|
[4628] | 1277 | */ |
---|
[4626] | 1278 | can_write++; |
---|
| 1279 | } |
---|
| 1280 | |
---|
| 1281 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): can_read=%i, can_write=%i", vss, wait, error, can_read, can_write); |
---|
| 1282 | |
---|
[4580] | 1283 | // TODO: FIXME: Need to correct error handling here! |
---|
| 1284 | |
---|
| 1285 | if ( can_flush_stream && vss->writebuffer != NULL ) { |
---|
| 1286 | if ( roar_buffer_get_data(vss->writebuffer, &data) == -1 ) |
---|
| 1287 | return -1; |
---|
| 1288 | |
---|
| 1289 | if ( roar_buffer_get_len(vss->writebuffer, &len) == -1 ) |
---|
| 1290 | return -1; |
---|
| 1291 | |
---|
[4626] | 1292 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1293 | |
---|
| 1294 | if ( ret == -1 ) { |
---|
| 1295 | return -1; |
---|
| 1296 | } else if ( ret == len ) { |
---|
| 1297 | roar_buffer_free(vss->writebuffer); |
---|
| 1298 | vss->writebuffer = NULL; |
---|
| 1299 | } else { |
---|
| 1300 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1301 | return -1; |
---|
| 1302 | } |
---|
| 1303 | } |
---|
| 1304 | |
---|
| 1305 | if ( can_flush_file && vss->readbuffer != NULL ) { |
---|
| 1306 | if ( roar_buffer_get_data(vss->readbuffer, &data) == -1 ) |
---|
| 1307 | return -1; |
---|
| 1308 | |
---|
| 1309 | if ( roar_buffer_get_len(vss->readbuffer, &len) == -1 ) |
---|
| 1310 | return -1; |
---|
| 1311 | |
---|
| 1312 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1313 | |
---|
| 1314 | if ( ret == -1 ) { |
---|
| 1315 | return -1; |
---|
| 1316 | } else if ( ret == len ) { |
---|
| 1317 | roar_buffer_free(vss->readbuffer); |
---|
| 1318 | vss->readbuffer = NULL; |
---|
| 1319 | } else { |
---|
| 1320 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1321 | return -1; |
---|
| 1322 | } |
---|
| 1323 | } |
---|
| 1324 | |
---|
| 1325 | #define _READ_SIZE 1024 |
---|
| 1326 | |
---|
| 1327 | if ( can_read == 2 && vss->readbuffer == NULL ) { |
---|
| 1328 | if ( roar_buffer_new_data(&(vss->readbuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1329 | return -1; |
---|
| 1330 | |
---|
| 1331 | ret = roar_vs_read(vss, data, len, error); |
---|
| 1332 | |
---|
| 1333 | if ( ret == -1 ) { |
---|
| 1334 | roar_buffer_free(vss->readbuffer); |
---|
| 1335 | vss->readbuffer = NULL; |
---|
| 1336 | return -1; |
---|
| 1337 | } else if ( ret == 0 ) { |
---|
| 1338 | is_eof = 1; |
---|
| 1339 | roar_buffer_free(vss->readbuffer); |
---|
| 1340 | vss->readbuffer = NULL; |
---|
| 1341 | } else { |
---|
| 1342 | len = ret; |
---|
| 1343 | if ( roar_buffer_set_len(vss->readbuffer, len) == -1 ) |
---|
| 1344 | return -1; |
---|
| 1345 | |
---|
[4626] | 1346 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1347 | tmp = len; |
---|
| 1348 | if ( roar_buffer_ring_write(vss->readring, data, &tmp) == -1 ) { |
---|
| 1349 | ret = -1; |
---|
| 1350 | } else { |
---|
| 1351 | ret = tmp; |
---|
| 1352 | } |
---|
| 1353 | } else { |
---|
| 1354 | ret = roar_vio_write(vss->file, data, len); |
---|
| 1355 | } |
---|
[4580] | 1356 | |
---|
| 1357 | if ( ret == -1 ) { |
---|
| 1358 | return -1; |
---|
| 1359 | } else if ( ret == len ) { |
---|
| 1360 | roar_buffer_free(vss->readbuffer); |
---|
| 1361 | vss->readbuffer = NULL; |
---|
| 1362 | } else { |
---|
| 1363 | if ( roar_buffer_set_offset(vss->readbuffer, ret) == -1 ) |
---|
| 1364 | return -1; |
---|
| 1365 | } |
---|
| 1366 | } |
---|
| 1367 | } |
---|
| 1368 | |
---|
| 1369 | if ( can_write == 2 && vss->writebuffer == NULL ) { |
---|
| 1370 | if ( roar_buffer_new_data(&(vss->writebuffer), (len = _READ_SIZE), &data) == -1 ) |
---|
| 1371 | return -1; |
---|
| 1372 | |
---|
[4626] | 1373 | if ( vss->flags & FLAG_BUFFERED ) { |
---|
| 1374 | tmp = len; |
---|
| 1375 | if ( roar_buffer_ring_read(vss->writering, data, &tmp) == -1 ) { |
---|
| 1376 | ret = -1; |
---|
| 1377 | } else { |
---|
| 1378 | ret = tmp; |
---|
| 1379 | } |
---|
| 1380 | } else { |
---|
| 1381 | ret = roar_vio_read(vss->file, data, len); |
---|
| 1382 | } |
---|
[4580] | 1383 | |
---|
[4581] | 1384 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p): ret=%lli", vss, wait, error, (long long int)ret); |
---|
| 1385 | |
---|
[4580] | 1386 | if ( ret == -1 ) { |
---|
[4581] | 1387 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1388 | |
---|
[4580] | 1389 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1390 | vss->writebuffer = NULL; |
---|
[4580] | 1391 | return -1; |
---|
| 1392 | } else if ( ret == 0 ) { |
---|
[4581] | 1393 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1394 | |
---|
[4580] | 1395 | is_eof = 1; |
---|
| 1396 | roar_buffer_free(vss->writebuffer); |
---|
[4581] | 1397 | vss->writebuffer = NULL; |
---|
[4580] | 1398 | } else { |
---|
[4581] | 1399 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1400 | |
---|
[4580] | 1401 | if ( len != ret ) { |
---|
| 1402 | len = ret; |
---|
[4581] | 1403 | if ( roar_buffer_set_len(vss->writebuffer, len) == -1 ) |
---|
[4580] | 1404 | return -1; |
---|
| 1405 | } |
---|
| 1406 | |
---|
[4581] | 1407 | ROAR_DBG("roar_vs_iterate(vss=%p, wait=%i, error=%p) = ?", vss, wait, error); |
---|
| 1408 | |
---|
[4626] | 1409 | ret = roar_vs_write_direct(vss, data, len, error); |
---|
[4580] | 1410 | |
---|
| 1411 | if ( ret == -1 ) { |
---|
| 1412 | return -1; |
---|
| 1413 | } else if ( ret == len ) { |
---|
| 1414 | roar_buffer_free(vss->writebuffer); |
---|
| 1415 | vss->writebuffer = NULL; |
---|
| 1416 | } else { |
---|
| 1417 | if ( roar_buffer_set_offset(vss->writebuffer, ret) == -1 ) |
---|
| 1418 | return -1; |
---|
| 1419 | } |
---|
| 1420 | } |
---|
| 1421 | } |
---|
| 1422 | |
---|
[4639] | 1423 | return is_eof ? 0 : 2; |
---|
[4580] | 1424 | } |
---|
| 1425 | |
---|
| 1426 | int roar_vs_run (roar_vs_t * vss, int * error) { |
---|
| 1427 | int ret; |
---|
| 1428 | |
---|
| 1429 | _ckvss(-1); |
---|
| 1430 | |
---|
| 1431 | while ((ret = roar_vs_iterate(vss, ROAR_VS_WAIT, error)) > 0); |
---|
| 1432 | |
---|
[4581] | 1433 | ROAR_DBG("roar_vs_run(vss=%p, error=%p): ret=%i", vss, error, ret); |
---|
| 1434 | |
---|
[4580] | 1435 | if ( ret == 0 ) { |
---|
| 1436 | // flush buffers: |
---|
| 1437 | roar_vs_iterate(vss, ROAR_VS_WAIT, error); |
---|
| 1438 | } |
---|
| 1439 | |
---|
[4581] | 1440 | if ( roar_vs_sync(vss, ROAR_VS_WAIT, error) == -1 ) |
---|
| 1441 | return -1; |
---|
| 1442 | |
---|
[4580] | 1443 | return ret; |
---|
| 1444 | } |
---|
| 1445 | |
---|
[4626] | 1446 | ssize_t roar_vs_get_avail_read(roar_vs_t * vss, int * error) { |
---|
| 1447 | size_t len; |
---|
| 1448 | |
---|
| 1449 | _ckvss(-1); |
---|
| 1450 | |
---|
| 1451 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1452 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1453 | return -1; |
---|
| 1454 | } |
---|
| 1455 | |
---|
| 1456 | if ( roar_buffer_ring_avail(vss->readring, &len, NULL) == -1 ) { |
---|
| 1457 | _seterrre(); |
---|
| 1458 | return -1; |
---|
| 1459 | } |
---|
| 1460 | |
---|
| 1461 | return len; |
---|
| 1462 | } |
---|
| 1463 | |
---|
| 1464 | ssize_t roar_vs_get_avail_write(roar_vs_t * vss, int * error) { |
---|
| 1465 | size_t len; |
---|
| 1466 | |
---|
| 1467 | _ckvss(-1); |
---|
| 1468 | |
---|
| 1469 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1470 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1471 | return -1; |
---|
| 1472 | } |
---|
| 1473 | |
---|
| 1474 | if ( roar_buffer_ring_avail(vss->writering, NULL, &len) == -1 ) { |
---|
| 1475 | _seterrre(); |
---|
| 1476 | return -1; |
---|
| 1477 | } |
---|
| 1478 | |
---|
| 1479 | return len; |
---|
| 1480 | } |
---|
| 1481 | |
---|
[4629] | 1482 | int roar_vs_reset_buffer(roar_vs_t * vss, int writering, int readring, int * error) { |
---|
| 1483 | _ckvss(-1); |
---|
| 1484 | |
---|
| 1485 | if ( !(vss->flags & FLAG_BUFFERED) ) { |
---|
| 1486 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1487 | return -1; |
---|
| 1488 | } |
---|
| 1489 | |
---|
| 1490 | if ( writering != ROAR_VS_TRUE || writering != ROAR_VS_FALSE || |
---|
| 1491 | readring != ROAR_VS_TRUE || readring != ROAR_VS_FALSE ) { |
---|
| 1492 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1493 | return -1; |
---|
| 1494 | } |
---|
| 1495 | |
---|
| 1496 | if ( writering ) { |
---|
| 1497 | if ( roar_buffer_ring_reset(vss->writering) == -1 ) { |
---|
| 1498 | _seterrre(); |
---|
| 1499 | return -1; |
---|
| 1500 | } |
---|
| 1501 | } |
---|
| 1502 | |
---|
| 1503 | if ( readring ) { |
---|
| 1504 | if ( roar_buffer_ring_reset(vss->readring) == -1 ) { |
---|
| 1505 | _seterrre(); |
---|
| 1506 | return -1; |
---|
| 1507 | } |
---|
| 1508 | } |
---|
| 1509 | |
---|
| 1510 | return 0; |
---|
| 1511 | } |
---|
| 1512 | |
---|
[4622] | 1513 | int roar_vs_ctl (roar_vs_t * vss, roar_vs_ctlcmd cmd, void * argp, int * error) { |
---|
| 1514 | _ckvss(-1); |
---|
| 1515 | |
---|
| 1516 | switch (cmd) { |
---|
| 1517 | case ROAR_VS_CMD_NOOP: |
---|
| 1518 | break; |
---|
| 1519 | case ROAR_VS_CMD_SET_MIXER: |
---|
| 1520 | vss->mixerid = *(int*)argp; |
---|
| 1521 | break; |
---|
| 1522 | case ROAR_VS_CMD_GET_MIXER: |
---|
| 1523 | *(int*)argp = vss->mixerid; |
---|
| 1524 | break; |
---|
| 1525 | case ROAR_VS_CMD_SET_FIRST_PRIM: |
---|
| 1526 | vss->first_primid = *(int*)argp; |
---|
| 1527 | break; |
---|
| 1528 | case ROAR_VS_CMD_GET_FIRST_PRIM: |
---|
| 1529 | *(int*)argp = vss->first_primid; |
---|
| 1530 | break; |
---|
[4719] | 1531 | #ifdef _HAVE_SOCKOPT |
---|
| 1532 | case ROAR_VS_CMD_SET_LATC_P: |
---|
| 1533 | vss->latc.p = *(float*)argp; |
---|
| 1534 | break; |
---|
| 1535 | case ROAR_VS_CMD_GET_LATC_P: |
---|
| 1536 | *(float*)argp = vss->latc.p; |
---|
| 1537 | break; |
---|
| 1538 | case ROAR_VS_CMD_SET_LATC_TARGET: |
---|
| 1539 | vss->latc.target = *(float*)argp; |
---|
| 1540 | break; |
---|
| 1541 | case ROAR_VS_CMD_GET_LATC_TARGET: |
---|
| 1542 | *(float*)argp = vss->latc.target; |
---|
| 1543 | break; |
---|
| 1544 | case ROAR_VS_CMD_SET_LATC_WINDOW: |
---|
| 1545 | vss->latc.window = *(float*)argp; |
---|
| 1546 | break; |
---|
| 1547 | case ROAR_VS_CMD_GET_LATC_WINDOW: |
---|
| 1548 | *(float*)argp = vss->latc.window; |
---|
| 1549 | break; |
---|
| 1550 | case ROAR_VS_CMD_SET_LATC_MINLAG: |
---|
| 1551 | vss->latc.minlag = *(float*)argp; |
---|
| 1552 | break; |
---|
| 1553 | case ROAR_VS_CMD_GET_LATC_MINLAG: |
---|
| 1554 | *(float*)argp = vss->latc.minlag; |
---|
| 1555 | break; |
---|
| 1556 | #endif |
---|
[4850] | 1557 | case ROAR_VS_CMD_SET_FREE_VOLUME: |
---|
[5025] | 1558 | switch (*(int*)argp) { |
---|
| 1559 | case ROAR_VS_TRUE: |
---|
| 1560 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1561 | break; |
---|
| 1562 | case ROAR_VS_FALSE: |
---|
| 1563 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1564 | vss->flags -= FLAG_FREE_VOL; |
---|
| 1565 | break; |
---|
| 1566 | case ROAR_VS_TOGGLE: |
---|
| 1567 | if ( vss->flags & FLAG_FREE_VOL ) { |
---|
| 1568 | vss->flags -= FLAG_FREE_VOL; |
---|
| 1569 | } else { |
---|
| 1570 | vss->flags |= FLAG_FREE_VOL; |
---|
| 1571 | } |
---|
| 1572 | break; |
---|
| 1573 | default: |
---|
| 1574 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1575 | return -1; |
---|
| 1576 | break; |
---|
[4850] | 1577 | } |
---|
| 1578 | break; |
---|
| 1579 | case ROAR_VS_CMD_GET_FREE_VOLUME: |
---|
[5025] | 1580 | *(int*)argp = vss->flags & FLAG_FREE_VOL ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
| 1581 | break; |
---|
| 1582 | case ROAR_VS_CMD_SET_DEFAULT_PAUSED: |
---|
| 1583 | switch (*(int*)argp) { |
---|
| 1584 | case ROAR_VS_TRUE: |
---|
| 1585 | vss->flags |= FLAG_DEF_PAUSE; |
---|
| 1586 | break; |
---|
| 1587 | case ROAR_VS_FALSE: |
---|
| 1588 | vss->flags |= FLAG_DEF_PAUSE; |
---|
| 1589 | vss->flags -= FLAG_DEF_PAUSE; |
---|
| 1590 | break; |
---|
| 1591 | case ROAR_VS_TOGGLE: |
---|
| 1592 | if ( vss->flags & FLAG_DEF_PAUSE ) { |
---|
| 1593 | vss->flags -= FLAG_DEF_PAUSE; |
---|
| 1594 | } else { |
---|
| 1595 | vss->flags |= FLAG_DEF_PAUSE; |
---|
| 1596 | } |
---|
| 1597 | break; |
---|
| 1598 | default: |
---|
| 1599 | _seterr(ROAR_ERROR_INVAL); |
---|
| 1600 | return -1; |
---|
| 1601 | break; |
---|
| 1602 | } |
---|
| 1603 | break; |
---|
| 1604 | case ROAR_VS_CMD_GET_DEFAULT_PAUSED: |
---|
| 1605 | *(int*)argp = vss->flags & FLAG_DEF_PAUSE ? ROAR_VS_TRUE : ROAR_VS_FALSE; |
---|
[4850] | 1606 | break; |
---|
[4719] | 1607 | // use ifndef here so warnings of unhandled enum values will be shown in DEBUG mode. |
---|
| 1608 | #ifndef DEBUG |
---|
| 1609 | default: |
---|
[5025] | 1610 | _seterr(ROAR_ERROR_INVAL); |
---|
[4719] | 1611 | return -1; |
---|
| 1612 | break; |
---|
| 1613 | #endif |
---|
[4622] | 1614 | } |
---|
| 1615 | |
---|
| 1616 | return 0; |
---|
| 1617 | } |
---|
[4580] | 1618 | |
---|
[4183] | 1619 | struct roar_connection * roar_vs_connection_obj(roar_vs_t * vss, int * error) { |
---|
[4260] | 1620 | _ckvss(NULL); |
---|
| 1621 | |
---|
[4183] | 1622 | return vss->con; |
---|
| 1623 | } |
---|
| 1624 | |
---|
| 1625 | struct roar_stream * roar_vs_stream_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1626 | _ckvss(NULL); |
---|
| 1627 | |
---|
[4183] | 1628 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1629 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1630 | return NULL; |
---|
[4183] | 1631 | } |
---|
| 1632 | |
---|
| 1633 | return &(vss->stream); |
---|
| 1634 | } |
---|
| 1635 | |
---|
| 1636 | struct roar_vio_calls * roar_vs_vio_obj (roar_vs_t * vss, int * error) { |
---|
[4260] | 1637 | _ckvss(NULL); |
---|
| 1638 | |
---|
[4183] | 1639 | if ( !(vss->flags & FLAG_STREAM) ) { |
---|
| 1640 | _seterr(ROAR_ERROR_INVAL); |
---|
[4186] | 1641 | return NULL; |
---|
[4183] | 1642 | } |
---|
| 1643 | |
---|
| 1644 | return &(vss->vio); |
---|
| 1645 | } |
---|
| 1646 | |
---|
[4173] | 1647 | //ll |
---|