[3138] | 1 | //libroaross.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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| 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | * NOTE for everyone want's to change something and send patches: |
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| 24 | * read README and HACKING! There a addition information on |
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| 25 | * the license of this document you need to read before you send |
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| 26 | * any patches. |
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| 27 | * |
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| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 29 | * or libpulse*: |
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| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 31 | * and are therefore GPL. Because of this it may be illigal to use |
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| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 33 | */ |
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| 34 | |
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| 35 | #include "roaraudio.h" |
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| 36 | |
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| 37 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
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| 38 | #if defined(__OpenBSD__) || defined(__NetBSD__) |
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| 39 | #include <soundcard.h> |
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| 40 | #else |
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| 41 | #include <sys/soundcard.h> |
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| 42 | #endif |
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| 43 | #include <sys/ioctl.h> |
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| 44 | |
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| 45 | #ifdef ROAR_HAVE_H_SYS_TYPES |
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| 46 | #include <sys/types.h> |
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| 47 | #endif |
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| 48 | |
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| 49 | #ifdef ROAR_HAVE_H_FCNTL |
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| 50 | #include <fcntl.h> |
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| 51 | #endif |
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| 52 | |
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| 53 | #ifdef ROAR_HAVE_H_UNISTD |
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| 54 | #include <unistd.h> |
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| 55 | #endif |
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| 56 | |
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| 57 | #include <sys/stat.h> |
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[3139] | 58 | #include <dlfcn.h> |
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| 59 | |
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| 60 | #if defined(RTLD_NEXT) |
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| 61 | #define REAL_LIBC RTLD_NEXT |
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| 62 | #else |
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| 63 | #define REAL_LIBC ((void *) -1L) |
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| 64 | #endif |
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[3138] | 65 | |
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[3164] | 66 | #ifndef ENOTSUP |
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| 67 | #define ENOTSUP ENOSYS |
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| 68 | #endif |
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| 69 | |
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[3166] | 70 | #if defined(ROAR_OS_NETBSD) && defined(ioctl) |
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| 71 | #define IOCTL_IS_ALIAS |
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| 72 | #endif |
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| 73 | |
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[3167] | 74 | #ifdef ROAR_OS_FREEBSD |
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| 75 | #define mode_t int |
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| 76 | #endif |
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| 77 | |
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[3153] | 78 | #define OSS_VOLUME_SCALE 100 |
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| 79 | |
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[3138] | 80 | #define _MAX_POINTER 8 |
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| 81 | |
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[3140] | 82 | // handle type: |
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| 83 | #define HT_NONE 0 |
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| 84 | #define HT_STREAM 1 |
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| 85 | #define HT_MIXER 2 |
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| 86 | |
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[3138] | 87 | struct session { |
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| 88 | int refc; |
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| 89 | struct roar_connection con; |
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| 90 | }; |
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| 91 | |
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| 92 | static struct session _session = {.refc = 0}; |
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| 93 | |
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| 94 | struct handle { |
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| 95 | int refc; // refrence counter |
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| 96 | struct session * session; |
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[3140] | 97 | int type; |
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| 98 | struct roar_stream stream; |
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| 99 | struct roar_vio_calls stream_vio; |
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[3144] | 100 | int stream_dir; |
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[3140] | 101 | int stream_opened; |
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[3138] | 102 | }; |
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| 103 | |
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| 104 | static struct { |
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| 105 | int (*open)(const char *pathname, int flags, mode_t mode); |
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| 106 | int (*close)(int fd); |
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| 107 | ssize_t (*write)(int fd, const void *buf, size_t count); |
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| 108 | ssize_t (*read)(int fd, void *buf, size_t count); |
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[3166] | 109 | #ifndef IOCTL_IS_ALIAS |
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[3146] | 110 | int (*ioctl)(int d, int request, ...); |
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[3166] | 111 | #endif |
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[3138] | 112 | } _os; |
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| 113 | |
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[3150] | 114 | static struct { |
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| 115 | struct { |
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| 116 | int volume; |
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| 117 | int pcm; |
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| 118 | int line; |
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| 119 | int line1; |
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| 120 | int line2; |
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| 121 | int line3; |
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| 122 | int digital1; |
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| 123 | int digital2; |
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| 124 | int digital3; |
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| 125 | } sid; |
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| 126 | } _mix_settings = { |
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| 127 | .sid = { |
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| 128 | .volume = -1, |
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| 129 | .pcm = -1, |
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| 130 | .line = 0, |
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| 131 | .line1 = 1, |
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| 132 | .line2 = 2, |
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| 133 | .line3 = 3, |
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| 134 | .digital1 = 1, |
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| 135 | .digital2 = 2, |
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| 136 | .digital3 = 3 |
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| 137 | } |
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| 138 | }; |
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| 139 | |
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[3140] | 140 | static struct pointer { |
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[3138] | 141 | int fh; |
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| 142 | struct handle * handle; |
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| 143 | } _ptr[_MAX_POINTER]; |
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| 144 | |
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| 145 | static void _init_os (void) { |
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| 146 | memset(&_os, 0, sizeof(_os)); |
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[3139] | 147 | |
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| 148 | _os.open = dlsym(REAL_LIBC, "open"); |
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| 149 | _os.close = dlsym(REAL_LIBC, "close"); |
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| 150 | _os.write = dlsym(REAL_LIBC, "write"); |
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| 151 | _os.read = dlsym(REAL_LIBC, "read"); |
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[3166] | 152 | #ifndef IOCTL_IS_ALIAS |
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[3146] | 153 | _os.ioctl = dlsym(REAL_LIBC, "ioctl"); |
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[3166] | 154 | #endif |
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[3138] | 155 | } |
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| 156 | |
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| 157 | static void _init_ptr (void) { |
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| 158 | int i; |
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| 159 | |
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| 160 | for (i = 0; i < _MAX_POINTER; i++) { |
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| 161 | _ptr[i].fh = -1; |
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| 162 | } |
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| 163 | } |
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| 164 | |
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| 165 | static void _init (void) { |
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| 166 | static int inited = 0; |
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| 167 | |
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| 168 | if ( !inited ) { |
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| 169 | _init_os(); |
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| 170 | _init_ptr(); |
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| 171 | inited++; |
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| 172 | } |
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| 173 | } |
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| 174 | |
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[3157] | 175 | static void _find_volume_sid (struct session * session) { |
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| 176 | int i; |
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| 177 | int num; |
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| 178 | int id[ROAR_STREAMS_MAX]; |
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| 179 | struct roar_stream s; |
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| 180 | char name[1024]; |
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| 181 | |
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| 182 | ROAR_DBG("_find_volume_sid(session=%p) = ?", session); |
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| 183 | |
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| 184 | if ( (num = roar_list_streams(&(session->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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| 185 | return; |
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| 186 | } |
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| 187 | |
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| 188 | for (i = 0; i < num; i++) { |
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| 189 | if ( roar_get_stream(&(session->con), &s, id[i]) == -1 ) |
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| 190 | continue; |
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| 191 | |
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| 192 | if ( s.dir != ROAR_DIR_MIXING ) |
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| 193 | continue; |
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| 194 | |
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| 195 | if ( roar_stream_get_name(&(session->con), &s, name, 1024) == -1 ) |
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| 196 | continue; |
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| 197 | |
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| 198 | if ( !strcasecmp(name, "Waveform Mixer") ) { |
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| 199 | _mix_settings.sid.volume = id[i]; |
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| 200 | ROAR_DBG("_find_volume_sid(session=%p): found waveform mixer at sid %i", session, id[i]); |
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| 201 | ROAR_DBG("_find_volume_sid(session=%p) = (void)", session); |
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| 202 | return; |
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| 203 | } |
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| 204 | } |
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| 205 | } |
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| 206 | |
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[3138] | 207 | static int _open_dummy (void) { |
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| 208 | int p[2]; |
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| 209 | |
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| 210 | if ( pipe(p) == -1 ) |
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| 211 | return -1; |
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| 212 | |
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| 213 | close(p[1]); |
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| 214 | |
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| 215 | return p[0]; |
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| 216 | } |
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| 217 | |
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| 218 | static struct session * _open_session (char * server, char * name) { |
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| 219 | if ( _session.refc == 0 ) { |
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| 220 | |
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| 221 | if ( name == NULL ) |
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| 222 | name = "libroaross client"; |
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| 223 | |
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| 224 | if ( roar_simple_connect(&(_session.con), server, name) == -1 ) |
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| 225 | return NULL; |
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[3157] | 226 | |
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| 227 | _find_volume_sid(&_session); |
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[3143] | 228 | } |
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[3138] | 229 | |
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[3143] | 230 | _session.refc++; |
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| 231 | return &_session; |
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[3138] | 232 | } |
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| 233 | |
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| 234 | static void _close_session(struct session * session) { |
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| 235 | if ( session == NULL ) |
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| 236 | return; |
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| 237 | |
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| 238 | session->refc--; |
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| 239 | |
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[3144] | 240 | ROAR_DBG("_close_session(session=%p): session->refc=%i", session, session->refc); |
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| 241 | |
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[3138] | 242 | if ( session->refc == 0 ) { |
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| 243 | roar_disconnect(&(session->con)); |
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| 244 | } |
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| 245 | } |
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| 246 | |
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[3140] | 247 | static struct handle * _open_handle(struct session * session) { |
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| 248 | struct handle * handle; |
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| 249 | |
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| 250 | if ( (handle = roar_mm_malloc(sizeof(struct handle))) == NULL ) |
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| 251 | return NULL; |
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| 252 | |
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| 253 | memset(handle, 0, sizeof(struct handle)); |
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| 254 | |
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| 255 | handle->refc = 1; |
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| 256 | handle->session = session; |
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| 257 | session->refc++; // TODO: better warp this |
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| 258 | handle->type = HT_NONE; |
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[3144] | 259 | handle->stream_dir = ROAR_DIR_PLAY; |
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| 260 | roar_stream_new(&(handle->stream), ROAR_RATE_DEFAULT, ROAR_CHANNELS_DEFAULT, ROAR_BITS_DEFAULT, ROAR_CODEC_DEFAULT); |
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[3140] | 261 | |
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| 262 | return handle; |
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| 263 | } |
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| 264 | |
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| 265 | static void _close_handle(struct handle * handle) { |
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| 266 | if (handle == NULL) |
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| 267 | return; |
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| 268 | |
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| 269 | handle->refc--; |
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| 270 | |
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[3144] | 271 | ROAR_DBG("_close_handle(handle=%p): handle->refc=%i", handle, handle->refc); |
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| 272 | |
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[3140] | 273 | if ( handle->refc == 0 ) { |
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| 274 | if ( handle->stream_opened ) |
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| 275 | roar_vio_close(&(handle->stream_vio)); |
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| 276 | |
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[3144] | 277 | handle->session->refc--; |
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| 278 | |
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| 279 | _close_session(handle->session); |
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| 280 | |
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[3140] | 281 | roar_mm_free(handle); |
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| 282 | } |
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| 283 | } |
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| 284 | |
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| 285 | static struct pointer * _get_pointer_by_fh (int fh) { |
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| 286 | int i; |
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| 287 | |
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| 288 | for (i = 0; i < _MAX_POINTER; i++) { |
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| 289 | if ( _ptr[i].fh == fh ) |
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| 290 | return &(_ptr[i]); |
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| 291 | } |
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| 292 | |
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| 293 | return NULL; |
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| 294 | } |
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| 295 | |
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| 296 | static struct pointer * _open_pointer(struct handle * handle) { |
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| 297 | struct pointer * ret = _get_pointer_by_fh(-1); |
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| 298 | |
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| 299 | if ( ret == NULL ) |
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| 300 | return NULL; |
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| 301 | |
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| 302 | if ( (ret->fh = _open_dummy()) == -1 ) |
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| 303 | return NULL; |
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| 304 | |
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| 305 | ret->handle = handle; |
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| 306 | |
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| 307 | return ret; |
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| 308 | } |
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| 309 | |
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| 310 | static void _close_pointer(struct pointer * pointer) { |
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| 311 | if ( pointer == NULL ) |
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| 312 | return; |
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| 313 | |
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| 314 | _os.close(pointer->fh); |
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| 315 | |
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| 316 | pointer->fh = -1; |
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| 317 | |
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| 318 | _close_handle(pointer->handle); |
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| 319 | } |
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[3138] | 320 | |
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| 321 | // ------------------------------------- |
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[3142] | 322 | // central open function: |
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| 323 | // ------------------------------------- |
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| 324 | |
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| 325 | static int _open_file (const char *pathname, int flags) { |
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[3143] | 326 | struct session * session; |
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| 327 | struct handle * handle; |
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| 328 | struct pointer * pointer; |
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| 329 | struct { |
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| 330 | char * prefix; |
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| 331 | int type; |
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| 332 | } * ptr = NULL, p[] = { |
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[3150] | 333 | {"/dev/dsp", HT_STREAM}, |
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| 334 | {"/dev/mixer", HT_MIXER}, |
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[3143] | 335 | {NULL, HT_NONE}, |
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| 336 | }; |
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| 337 | int i; |
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| 338 | |
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| 339 | for (i = 0; p[i].prefix != NULL; i++) { |
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| 340 | if ( !strcmp(pathname, p[i].prefix) ) { |
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| 341 | ptr = &(p[i]); |
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| 342 | } |
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| 343 | } |
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| 344 | |
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| 345 | if ( ptr == NULL ) |
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| 346 | return -2; |
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| 347 | |
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| 348 | if ( (session = _open_session(NULL, NULL)) == NULL ) { |
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| 349 | return -1; |
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| 350 | } |
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| 351 | |
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| 352 | if ( (handle = _open_handle(session)) == NULL ) { |
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| 353 | _close_session(session); |
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| 354 | return -1; |
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| 355 | } |
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| 356 | |
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| 357 | handle->type = ptr->type; |
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| 358 | |
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[3145] | 359 | switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) { |
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| 360 | case O_RDONLY: |
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| 361 | handle->stream_dir = ROAR_DIR_MONITOR; |
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| 362 | break; |
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| 363 | case O_WRONLY: |
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| 364 | handle->stream_dir = ROAR_DIR_PLAY; |
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| 365 | break; |
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| 366 | case O_RDWR: |
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| 367 | handle->stream_dir = ROAR_DIR_BIDIR; |
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| 368 | break; |
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| 369 | } |
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| 370 | |
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[3143] | 371 | if ( (pointer = _open_pointer(handle)) == NULL ) { |
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| 372 | _close_handle(handle); |
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| 373 | return -1; |
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| 374 | } |
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| 375 | |
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| 376 | return pointer->fh; |
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[3142] | 377 | } |
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| 378 | |
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| 379 | // ------------------------------------- |
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[3144] | 380 | // open function for streams: |
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| 381 | // ------------------------------------- |
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| 382 | |
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| 383 | static int _open_stream (struct handle * handle) { |
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| 384 | // FIXME: this should be re-written much more cleanly: |
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| 385 | |
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| 386 | if ( handle == NULL ) |
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| 387 | return -1; |
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| 388 | |
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| 389 | if ( roar_vio_simple_new_stream_obj(&(handle->stream_vio), |
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| 390 | &(handle->session->con), &(handle->stream), |
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| 391 | handle->stream.info.rate, |
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| 392 | handle->stream.info.channels, |
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| 393 | handle->stream.info.bits, |
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| 394 | handle->stream.info.codec, |
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| 395 | handle->stream_dir |
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| 396 | ) == -1 ) |
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| 397 | return -1; |
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| 398 | |
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| 399 | handle->stream_opened++; |
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| 400 | |
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[3150] | 401 | _mix_settings.sid.pcm = roar_stream_get_id(&(handle->stream)); |
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| 402 | |
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[3144] | 403 | return 0; |
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| 404 | } |
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| 405 | |
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| 406 | // ------------------------------------- |
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[3147] | 407 | // function to parse format: |
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| 408 | // ------------------------------------- |
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| 409 | |
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| 410 | static int _ioctl_stream_format (struct handle * handle, int format) { |
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| 411 | struct roar_audio_info * info = &(handle->stream.info); |
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| 412 | |
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| 413 | switch (format) { |
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| 414 | case AFMT_S8: |
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| 415 | info->bits = 8; |
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| 416 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 417 | break; |
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| 418 | case AFMT_U8: |
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| 419 | info->bits = 8; |
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| 420 | info->codec = ROAR_CODEC_PCM_U_LE; |
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| 421 | break; |
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| 422 | case AFMT_S16_BE: |
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| 423 | info->bits = 16; |
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| 424 | info->codec = ROAR_CODEC_PCM_S_BE; |
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| 425 | break; |
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| 426 | case AFMT_S16_LE: |
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| 427 | info->bits = 16; |
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| 428 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 429 | break; |
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| 430 | case AFMT_U16_BE: |
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| 431 | info->bits = 16; |
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| 432 | info->codec = ROAR_CODEC_PCM_U_BE; |
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| 433 | break; |
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| 434 | case AFMT_U16_LE: |
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| 435 | info->bits = 16; |
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| 436 | info->codec = ROAR_CODEC_PCM_U_LE; |
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| 437 | break; |
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| 438 | #ifdef AFMT_S32_BE |
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| 439 | case AFMT_S32_BE: |
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| 440 | info->bits = 32; |
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| 441 | info->codec = ROAR_CODEC_PCM_S_BE; |
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| 442 | break; |
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| 443 | #endif |
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| 444 | #ifdef AFMT_S32_LE |
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| 445 | case AFMT_S32_LE: |
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| 446 | info->bits = 32; |
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| 447 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 448 | break; |
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| 449 | #endif |
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| 450 | case AFMT_A_LAW: |
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| 451 | info->bits = 8; |
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| 452 | info->codec = ROAR_CODEC_ALAW; |
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| 453 | break; |
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| 454 | case AFMT_MU_LAW: |
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| 455 | info->bits = 8; |
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| 456 | info->codec = ROAR_CODEC_MULAW; |
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| 457 | break; |
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| 458 | #ifdef AFMT_VORBIS |
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| 459 | case AFMT_VORBIS: |
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| 460 | info->codec = ROAR_CODEC_OGG_VORBIS; |
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| 461 | break; |
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| 462 | #endif |
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[3148] | 463 | default: |
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| 464 | errno = ENOSYS; |
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| 465 | return -1; |
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| 466 | break; |
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[3147] | 467 | } |
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| 468 | |
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[3148] | 469 | return 0; |
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[3147] | 470 | } |
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| 471 | |
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[3149] | 472 | static inline int _ioctl_stream_format_list (void) { |
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| 473 | int format = 0; |
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| 474 | |
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| 475 | format |= AFMT_S8; |
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| 476 | format |= AFMT_U8; |
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| 477 | |
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| 478 | format |= AFMT_S16_BE; |
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| 479 | format |= AFMT_S16_LE; |
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| 480 | |
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| 481 | format |= AFMT_U16_BE; |
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| 482 | format |= AFMT_U16_LE; |
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| 483 | |
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| 484 | #ifdef AFMT_S32_BE |
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| 485 | format |= AFMT_S32_BE; |
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| 486 | #endif |
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| 487 | #ifdef AFMT_S32_LE |
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| 488 | format |= AFMT_S32_LE; |
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| 489 | #endif |
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| 490 | |
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| 491 | format |= AFMT_A_LAW; |
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| 492 | format |= AFMT_MU_LAW; |
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| 493 | |
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| 494 | #ifdef AFMT_VORBIS |
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| 495 | format |= AFMT_VORBIS; |
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| 496 | #endif |
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| 497 | |
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| 498 | return format; |
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| 499 | } |
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| 500 | |
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[3147] | 501 | // ------------------------------------- |
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[3150] | 502 | // mixer ioctls: |
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| 503 | // ------------------------------------- |
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| 504 | |
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[3158] | 505 | static int _ioctl_mixer (struct handle * handle, long unsigned int req, void * vp) { |
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[3159] | 506 | mixer_info * info; |
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[3150] | 507 | int channels; |
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| 508 | struct roar_mixer_settings mixer; |
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[3155] | 509 | int o_w = 0; |
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[3150] | 510 | int o_sid = -1; |
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[3158] | 511 | int * ip = vp; |
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[3165] | 512 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
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| 513 | char * name = NULL; |
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| 514 | #endif |
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[3150] | 515 | |
---|
[3165] | 516 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
[3150] | 517 | switch (req) { |
---|
| 518 | #if 0 |
---|
| 519 | case SNDCTL_MIX_DESCRIPTION: name = "SNDCTL_MIX_DESCRIPTION"; break; |
---|
| 520 | case SNDCTL_MIX_ENUMINFO: name = "SNDCTL_MIX_ENUMINFO"; break; |
---|
| 521 | case SNDCTL_MIX_EXTINFO: name = "SNDCTL_MIX_EXTINFO"; break; |
---|
| 522 | case SNDCTL_MIX_NREXT: name = "SNDCTL_MIX_NREXT"; break; |
---|
| 523 | case SNDCTL_MIX_NRMIX: name = "SNDCTL_MIX_NRMIX"; break; |
---|
| 524 | case SNDCTL_MIX_READ: name = "SNDCTL_MIX_READ"; break; |
---|
| 525 | case SNDCTL_MIX_WRITE: name = "SNDCTL_MIX_WRITE"; break; |
---|
| 526 | #endif |
---|
[3159] | 527 | // case SOUND_MIXER_INFO: name = "SOUND_MIXER_INFO"; break; |
---|
[3152] | 528 | case SOUND_OLD_MIXER_INFO: name = "SOUND_OLD_MIXER_INFO"; break; |
---|
| 529 | case SOUND_MIXER_ACCESS: name = "SOUND_MIXER_ACCESS"; break; |
---|
| 530 | case SOUND_MIXER_AGC: name = "SOUND_MIXER_AGC"; break; |
---|
| 531 | case SOUND_MIXER_3DSE: name = "SOUND_MIXER_3DSE"; break; |
---|
[3156] | 532 | case SOUND_MIXER_GETLEVELS: name = "SOUND_MIXER_GETLEVELS"; break; |
---|
| 533 | case SOUND_MIXER_SETLEVELS: name = "SOUND_MIXER_SETLEVELS"; break; |
---|
[3152] | 534 | case SOUND_MIXER_PRIVATE1: name = "SOUND_MIXER_PRIVATE1"; break; |
---|
| 535 | case SOUND_MIXER_PRIVATE2: name = "SOUND_MIXER_PRIVATE2"; break; |
---|
| 536 | case SOUND_MIXER_PRIVATE3: name = "SOUND_MIXER_PRIVATE3"; break; |
---|
| 537 | case SOUND_MIXER_PRIVATE4: name = "SOUND_MIXER_PRIVATE4"; break; |
---|
| 538 | case SOUND_MIXER_PRIVATE5: name = "SOUND_MIXER_PRIVATE5"; break; |
---|
| 539 | case OSS_GETVERSION: name = "OSS_GETVERSION"; break; |
---|
[3156] | 540 | // case SOUND_MIXER_READ_CAPS: name = "SOUND_MIXER_READ_CAPS"; break; |
---|
| 541 | case SOUND_MIXER_READ_MUTE: name = "SOUND_MIXER_READ_MUTE"; break; |
---|
[3152] | 542 | /* |
---|
| 543 | case : name = ""; break; |
---|
[3156] | 544 | case : name = ""; break; |
---|
[3152] | 545 | */ |
---|
[3150] | 546 | } |
---|
| 547 | if ( name != NULL ) { |
---|
| 548 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unspported mixer command %s", handle, req, ip, name); |
---|
| 549 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
| 550 | errno = ENOSYS; |
---|
| 551 | return -1; |
---|
| 552 | } |
---|
[3165] | 553 | #endif |
---|
[3150] | 554 | |
---|
| 555 | switch (req) { |
---|
| 556 | case SOUND_MIXER_READ_VOLUME: o_w = 0; o_sid = _mix_settings.sid.volume; break; |
---|
| 557 | case SOUND_MIXER_READ_PCM: o_w = 0; o_sid = _mix_settings.sid.pcm; break; |
---|
| 558 | case SOUND_MIXER_READ_LINE: o_w = 0; o_sid = _mix_settings.sid.line; break; |
---|
| 559 | case SOUND_MIXER_READ_LINE1: o_w = 0; o_sid = _mix_settings.sid.line1; break; |
---|
| 560 | case SOUND_MIXER_READ_LINE2: o_w = 0; o_sid = _mix_settings.sid.line2; break; |
---|
| 561 | case SOUND_MIXER_READ_LINE3: o_w = 0; o_sid = _mix_settings.sid.line3; break; |
---|
| 562 | #if 0 |
---|
| 563 | case SOUND_MIXER_READ_DIGITAL1: o_w = 0; o_sid = _mix_settings.sid.digital1; break; |
---|
| 564 | case SOUND_MIXER_READ_DIGITAL2: o_w = 0; o_sid = _mix_settings.sid.digital2; break; |
---|
| 565 | case SOUND_MIXER_READ_DIGITAL3: o_w = 0; o_sid = _mix_settings.sid.digital3; break; |
---|
| 566 | #endif |
---|
| 567 | case SOUND_MIXER_WRITE_VOLUME: o_w = 1; o_sid = _mix_settings.sid.volume; break; |
---|
| 568 | case SOUND_MIXER_WRITE_PCM: o_w = 1; o_sid = _mix_settings.sid.pcm; break; |
---|
| 569 | case SOUND_MIXER_WRITE_LINE: o_w = 1; o_sid = _mix_settings.sid.line; break; |
---|
| 570 | case SOUND_MIXER_WRITE_LINE1: o_w = 1; o_sid = _mix_settings.sid.line1; break; |
---|
| 571 | case SOUND_MIXER_WRITE_LINE2: o_w = 1; o_sid = _mix_settings.sid.line2; break; |
---|
| 572 | case SOUND_MIXER_WRITE_LINE3: o_w = 1; o_sid = _mix_settings.sid.line3; break; |
---|
| 573 | #if 0 |
---|
| 574 | case SOUND_MIXER_WRITE_DIGITAL1: o_w = 1; o_sid = _mix_settings.sid.digital1; break; |
---|
| 575 | case SOUND_MIXER_WRITE_DIGITAL2: o_w = 1; o_sid = _mix_settings.sid.digital2; break; |
---|
| 576 | case SOUND_MIXER_WRITE_DIGITAL3: o_w = 1; o_sid = _mix_settings.sid.digital3; break; |
---|
| 577 | #endif |
---|
| 578 | } |
---|
| 579 | if ( o_sid != -1 ) { |
---|
| 580 | // set/get volume |
---|
| 581 | if ( o_w ) { |
---|
| 582 | mixer.scale = 65535; |
---|
[3153] | 583 | mixer.mixer[0] = ( *ip & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
| 584 | mixer.mixer[1] = ((*ip >> 8) & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
[3150] | 585 | if ( roar_set_vol(&(handle->session->con), o_sid, &mixer, 2) == -1 ) { |
---|
[3156] | 586 | errno = EIO; |
---|
[3150] | 587 | return -1; |
---|
| 588 | } |
---|
| 589 | return 0; |
---|
| 590 | } else { |
---|
| 591 | if ( roar_get_vol(&(handle->session->con), o_sid, &mixer, &channels) == -1 ) { |
---|
[3156] | 592 | errno = EIO; |
---|
[3150] | 593 | return -1; |
---|
| 594 | } |
---|
[3153] | 595 | *ip = ((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale) | (((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale)<<8); |
---|
[3150] | 596 | return 0; |
---|
| 597 | } |
---|
| 598 | } |
---|
| 599 | |
---|
| 600 | switch (req) { |
---|
[3155] | 601 | case SOUND_MIXER_READ_STEREODEVS: /* FIXME: check the streams for channel config */ |
---|
[3150] | 602 | case SOUND_MIXER_READ_DEVMASK: |
---|
| 603 | *ip = 0; |
---|
| 604 | |
---|
| 605 | if ( _mix_settings.sid.volume != -1 ) |
---|
| 606 | *ip |= SOUND_MASK_VOLUME; |
---|
| 607 | if ( _mix_settings.sid.pcm != -1 ) |
---|
| 608 | *ip |= SOUND_MASK_PCM; |
---|
| 609 | if ( _mix_settings.sid.line != -1 ) |
---|
| 610 | *ip |= SOUND_MASK_LINE; |
---|
| 611 | if ( _mix_settings.sid.line1 != -1 ) |
---|
| 612 | *ip |= SOUND_MASK_LINE1; |
---|
| 613 | if ( _mix_settings.sid.line2 != -1 ) |
---|
| 614 | *ip |= SOUND_MASK_LINE2; |
---|
| 615 | if ( _mix_settings.sid.line3 != -1 ) |
---|
| 616 | *ip |= SOUND_MASK_LINE3; |
---|
| 617 | if ( _mix_settings.sid.digital1 != -1 ) |
---|
[3156] | 618 | #if 0 |
---|
[3150] | 619 | *ip |= SOUND_MASK_DIGITAL1; |
---|
| 620 | if ( _mix_settings.sid.digital2 != -1 ) |
---|
| 621 | *ip |= SOUND_MASK_DIGITAL2; |
---|
| 622 | if ( _mix_settings.sid.digital3 != -1 ) |
---|
| 623 | *ip |= SOUND_MASK_DIGITAL3; |
---|
[3156] | 624 | #endif |
---|
[3150] | 625 | |
---|
| 626 | return 0; |
---|
| 627 | break; |
---|
[3153] | 628 | case SOUND_MIXER_READ_RECMASK: |
---|
[3154] | 629 | case SOUND_MIXER_READ_RECSRC: |
---|
[3153] | 630 | *ip = SOUND_MASK_VOLUME; // we can currently only read from mixer |
---|
| 631 | return 0; |
---|
| 632 | break; |
---|
[3154] | 633 | case SOUND_MIXER_WRITE_RECSRC: |
---|
| 634 | if ( *ip == SOUND_MASK_VOLUME ) { |
---|
| 635 | return 0; |
---|
| 636 | } else { |
---|
| 637 | errno = ENOTSUP; |
---|
| 638 | return -1; |
---|
| 639 | } |
---|
| 640 | break; |
---|
[3156] | 641 | case SOUND_MIXER_READ_CAPS: |
---|
| 642 | *ip = 0; |
---|
| 643 | return 0; |
---|
| 644 | break; |
---|
[3159] | 645 | case SOUND_MIXER_INFO: |
---|
| 646 | info = vp; |
---|
| 647 | memset(info, 0, sizeof(*info)); |
---|
| 648 | strcpy(info->id, "RoarAudio"); |
---|
| 649 | strcpy(info->name, "RoarAudio"); |
---|
| 650 | return 0; |
---|
| 651 | break; |
---|
[3150] | 652 | } |
---|
| 653 | |
---|
| 654 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unknown mixer CTL", handle, req, ip); |
---|
[3156] | 655 | // _os.ioctl(-1, req, ip); |
---|
[3150] | 656 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
| 657 | errno = ENOSYS; |
---|
| 658 | return -1; |
---|
| 659 | } |
---|
| 660 | |
---|
| 661 | // ------------------------------------- |
---|
[3138] | 662 | // emulated functions follow: |
---|
| 663 | // ------------------------------------- |
---|
| 664 | |
---|
| 665 | int open(const char *pathname, int flags, ...) { |
---|
[3142] | 666 | int ret; |
---|
| 667 | mode_t mode = 0; |
---|
[3138] | 668 | va_list args; |
---|
| 669 | |
---|
| 670 | _init(); |
---|
| 671 | |
---|
[3142] | 672 | ret = _open_file(pathname, flags); |
---|
| 673 | |
---|
| 674 | switch (ret) { |
---|
| 675 | case -2: // continue as normal, use _op.open() |
---|
| 676 | break; |
---|
| 677 | case -1: // pass error to caller |
---|
| 678 | return -1; |
---|
| 679 | break; |
---|
| 680 | default: // return successfully opened pointer to caller |
---|
| 681 | return ret; |
---|
| 682 | break; |
---|
| 683 | } |
---|
| 684 | |
---|
[3138] | 685 | if (flags & O_CREAT) { |
---|
| 686 | va_start(args, flags); |
---|
| 687 | mode = va_arg(args, mode_t); |
---|
| 688 | va_end(args); |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | return _os.open(pathname, flags, mode); |
---|
| 692 | } |
---|
| 693 | |
---|
| 694 | int close(int fd) { |
---|
[3140] | 695 | struct pointer * pointer; |
---|
[3138] | 696 | _init(); |
---|
| 697 | |
---|
[3140] | 698 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 699 | _close_pointer(pointer); |
---|
| 700 | return 0; |
---|
| 701 | } |
---|
| 702 | |
---|
[3138] | 703 | return _os.close(fd); |
---|
| 704 | } |
---|
| 705 | |
---|
| 706 | ssize_t write(int fd, const void *buf, size_t count) { |
---|
[3140] | 707 | struct pointer * pointer; |
---|
| 708 | |
---|
[3138] | 709 | _init(); |
---|
| 710 | |
---|
[3140] | 711 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 712 | if ( pointer->handle->type == HT_STREAM ) { |
---|
| 713 | if ( pointer->handle->stream_opened == 0 ) { |
---|
| 714 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
| 715 | errno = EIO; |
---|
| 716 | return -1; |
---|
| 717 | } |
---|
| 718 | } |
---|
[3141] | 719 | return roar_vio_write(&(pointer->handle->stream_vio), (char*)buf, count); |
---|
[3140] | 720 | } else { |
---|
| 721 | errno = EINVAL; |
---|
| 722 | return -1; |
---|
| 723 | } |
---|
| 724 | } |
---|
| 725 | |
---|
[3138] | 726 | return _os.write(fd, buf, count); |
---|
| 727 | } |
---|
| 728 | |
---|
| 729 | ssize_t read(int fd, void *buf, size_t count) { |
---|
[3140] | 730 | struct pointer * pointer; |
---|
| 731 | |
---|
[3138] | 732 | _init(); |
---|
| 733 | |
---|
[3140] | 734 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 735 | if ( pointer->handle->type == HT_STREAM ) { |
---|
| 736 | if ( pointer->handle->stream_opened == 0 ) { |
---|
| 737 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
| 738 | errno = EIO; |
---|
| 739 | return -1; |
---|
| 740 | } |
---|
| 741 | } |
---|
| 742 | return roar_vio_read(&(pointer->handle->stream_vio), buf, count); |
---|
| 743 | } else { |
---|
| 744 | errno = EINVAL; |
---|
| 745 | return -1; |
---|
| 746 | } |
---|
| 747 | } |
---|
| 748 | |
---|
[3138] | 749 | return _os.read(fd, buf, count); |
---|
| 750 | } |
---|
| 751 | |
---|
[3146] | 752 | extern int ioctl (int __fd, unsigned long int __request, ...) { |
---|
[3147] | 753 | struct pointer * pointer; |
---|
| 754 | struct handle * handle; |
---|
[3146] | 755 | va_list args; |
---|
| 756 | void *argp; |
---|
[3147] | 757 | int * ip = NULL; |
---|
[3146] | 758 | |
---|
| 759 | _init(); |
---|
| 760 | |
---|
[3150] | 761 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu) = ?", __fd, (long unsigned int) __request); |
---|
[3148] | 762 | |
---|
[3146] | 763 | va_start (args, __request); |
---|
| 764 | argp = va_arg (args, void *); |
---|
| 765 | va_end (args); |
---|
| 766 | |
---|
[3150] | 767 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): argp=%p", __fd, (long unsigned int) __request, argp); |
---|
[3148] | 768 | |
---|
[3147] | 769 | if ( (pointer = _get_pointer_by_fh(__fd)) != NULL ) { |
---|
[3148] | 770 | ip = argp; |
---|
[3150] | 771 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
[3147] | 772 | switch ((handle = pointer->handle)->type) { |
---|
| 773 | case HT_STREAM: |
---|
| 774 | switch (__request) { |
---|
| 775 | case SNDCTL_DSP_RESET: |
---|
| 776 | case SNDCTL_DSP_POST: |
---|
[3162] | 777 | case SNDCTL_DSP_SETFRAGMENT: // any fragments should be ok for us... |
---|
[3147] | 778 | break; |
---|
| 779 | case SNDCTL_DSP_SPEED: |
---|
| 780 | handle->stream.info.rate = *ip; |
---|
| 781 | return 0; |
---|
| 782 | break; |
---|
| 783 | case SNDCTL_DSP_CHANNELS: |
---|
| 784 | handle->stream.info.channels = *ip; |
---|
| 785 | return 0; |
---|
| 786 | break; |
---|
[3160] | 787 | case SNDCTL_DSP_STEREO: |
---|
| 788 | handle->stream.info.channels = *ip ? 2 : 1; |
---|
| 789 | return 0; |
---|
| 790 | break; |
---|
[3161] | 791 | case SNDCTL_DSP_GETBLKSIZE: |
---|
| 792 | *ip = handle->stream.info.rate * handle->stream.info.channels * handle->stream.info.bits / 800; |
---|
| 793 | return 0; |
---|
| 794 | break; |
---|
[3147] | 795 | case SNDCTL_DSP_SETFMT: |
---|
| 796 | return _ioctl_stream_format(handle, *ip); |
---|
| 797 | break; |
---|
[3148] | 798 | case SNDCTL_DSP_GETFMTS: |
---|
[3150] | 799 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
[3149] | 800 | *ip = _ioctl_stream_format_list(); |
---|
[3148] | 801 | return 0; |
---|
| 802 | break; |
---|
[3147] | 803 | default: |
---|
[3148] | 804 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
[3147] | 805 | errno = ENOSYS; |
---|
| 806 | return -1; |
---|
| 807 | } |
---|
| 808 | break; |
---|
| 809 | case HT_MIXER: |
---|
[3158] | 810 | return _ioctl_mixer(handle, __request, argp); |
---|
[3147] | 811 | break; |
---|
| 812 | default: |
---|
[3150] | 813 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): unknown handle type: no ioctl()s supported", __fd, (long unsigned int) __request); |
---|
| 814 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
[3147] | 815 | errno = EINVAL; |
---|
| 816 | return -1; |
---|
| 817 | break; |
---|
| 818 | } |
---|
| 819 | } |
---|
| 820 | |
---|
[3166] | 821 | #ifdef IOCTL_IS_ALIAS |
---|
| 822 | errno = ENOSYS; |
---|
| 823 | return -1; |
---|
| 824 | #else |
---|
[3146] | 825 | return _os.ioctl(__fd, __request, argp); |
---|
[3166] | 826 | #endif |
---|
[3146] | 827 | } |
---|
| 828 | |
---|
[3138] | 829 | #endif |
---|
| 830 | |
---|
| 831 | //ll |
---|