[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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[3169] | 78 | #ifdef ROAR_OS_NETBSD |
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| 79 | #define IOCTL() int _oss_ioctl __P((int fd, unsigned long com, void *argp)) |
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[3171] | 80 | #define map_args int __fd = fd; unsigned long int __request = com |
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[3169] | 81 | #else |
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| 82 | #define IOCTL() int ioctl (int __fd, unsigned long int __request, ...) |
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[3171] | 83 | #define map_args void * argp |
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[3169] | 84 | #define va_argp |
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| 85 | #endif |
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| 86 | |
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[3153] | 87 | #define OSS_VOLUME_SCALE 100 |
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| 88 | |
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[3138] | 89 | #define _MAX_POINTER 8 |
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| 90 | |
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[3140] | 91 | // handle type: |
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| 92 | #define HT_NONE 0 |
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| 93 | #define HT_STREAM 1 |
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| 94 | #define HT_MIXER 2 |
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| 95 | |
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[3138] | 96 | struct session { |
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| 97 | int refc; |
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| 98 | struct roar_connection con; |
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| 99 | }; |
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| 100 | |
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| 101 | static struct session _session = {.refc = 0}; |
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| 102 | |
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| 103 | struct handle { |
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| 104 | int refc; // refrence counter |
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| 105 | struct session * session; |
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[3140] | 106 | int type; |
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| 107 | struct roar_stream stream; |
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| 108 | struct roar_vio_calls stream_vio; |
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[3144] | 109 | int stream_dir; |
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[3140] | 110 | int stream_opened; |
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[3138] | 111 | }; |
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| 112 | |
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| 113 | static struct { |
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| 114 | int (*open)(const char *pathname, int flags, mode_t mode); |
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| 115 | int (*close)(int fd); |
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| 116 | ssize_t (*write)(int fd, const void *buf, size_t count); |
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| 117 | ssize_t (*read)(int fd, void *buf, size_t count); |
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[3166] | 118 | #ifndef IOCTL_IS_ALIAS |
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[3146] | 119 | int (*ioctl)(int d, int request, ...); |
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[3166] | 120 | #endif |
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[3138] | 121 | } _os; |
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| 122 | |
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[3150] | 123 | static struct { |
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| 124 | struct { |
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| 125 | int volume; |
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| 126 | int pcm; |
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| 127 | int line; |
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| 128 | int line1; |
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| 129 | int line2; |
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| 130 | int line3; |
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| 131 | int digital1; |
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| 132 | int digital2; |
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| 133 | int digital3; |
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| 134 | } sid; |
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| 135 | } _mix_settings = { |
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| 136 | .sid = { |
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| 137 | .volume = -1, |
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| 138 | .pcm = -1, |
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| 139 | .line = 0, |
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| 140 | .line1 = 1, |
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| 141 | .line2 = 2, |
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| 142 | .line3 = 3, |
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| 143 | .digital1 = 1, |
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| 144 | .digital2 = 2, |
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| 145 | .digital3 = 3 |
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| 146 | } |
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| 147 | }; |
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| 148 | |
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[3140] | 149 | static struct pointer { |
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[3138] | 150 | int fh; |
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| 151 | struct handle * handle; |
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| 152 | } _ptr[_MAX_POINTER]; |
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| 153 | |
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| 154 | static void _init_os (void) { |
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| 155 | memset(&_os, 0, sizeof(_os)); |
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[3139] | 156 | |
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| 157 | _os.open = dlsym(REAL_LIBC, "open"); |
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| 158 | _os.close = dlsym(REAL_LIBC, "close"); |
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| 159 | _os.write = dlsym(REAL_LIBC, "write"); |
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| 160 | _os.read = dlsym(REAL_LIBC, "read"); |
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[3166] | 161 | #ifndef IOCTL_IS_ALIAS |
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[3146] | 162 | _os.ioctl = dlsym(REAL_LIBC, "ioctl"); |
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[3166] | 163 | #endif |
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[3138] | 164 | } |
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| 165 | |
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| 166 | static void _init_ptr (void) { |
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| 167 | int i; |
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| 168 | |
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| 169 | for (i = 0; i < _MAX_POINTER; i++) { |
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| 170 | _ptr[i].fh = -1; |
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| 171 | } |
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| 172 | } |
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| 173 | |
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| 174 | static void _init (void) { |
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| 175 | static int inited = 0; |
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| 176 | |
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| 177 | if ( !inited ) { |
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| 178 | _init_os(); |
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| 179 | _init_ptr(); |
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| 180 | inited++; |
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| 181 | } |
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| 182 | } |
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| 183 | |
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[3157] | 184 | static void _find_volume_sid (struct session * session) { |
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| 185 | int i; |
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| 186 | int num; |
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| 187 | int id[ROAR_STREAMS_MAX]; |
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| 188 | struct roar_stream s; |
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| 189 | char name[1024]; |
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| 190 | |
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| 191 | ROAR_DBG("_find_volume_sid(session=%p) = ?", session); |
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| 192 | |
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| 193 | if ( (num = roar_list_streams(&(session->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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| 194 | return; |
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| 195 | } |
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| 196 | |
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| 197 | for (i = 0; i < num; i++) { |
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| 198 | if ( roar_get_stream(&(session->con), &s, id[i]) == -1 ) |
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| 199 | continue; |
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| 200 | |
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| 201 | if ( s.dir != ROAR_DIR_MIXING ) |
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| 202 | continue; |
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| 203 | |
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| 204 | if ( roar_stream_get_name(&(session->con), &s, name, 1024) == -1 ) |
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| 205 | continue; |
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| 206 | |
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| 207 | if ( !strcasecmp(name, "Waveform Mixer") ) { |
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| 208 | _mix_settings.sid.volume = id[i]; |
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| 209 | ROAR_DBG("_find_volume_sid(session=%p): found waveform mixer at sid %i", session, id[i]); |
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| 210 | ROAR_DBG("_find_volume_sid(session=%p) = (void)", session); |
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| 211 | return; |
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| 212 | } |
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| 213 | } |
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| 214 | } |
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| 215 | |
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[3138] | 216 | static int _open_dummy (void) { |
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| 217 | int p[2]; |
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| 218 | |
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| 219 | if ( pipe(p) == -1 ) |
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| 220 | return -1; |
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| 221 | |
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| 222 | close(p[1]); |
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| 223 | |
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| 224 | return p[0]; |
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| 225 | } |
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| 226 | |
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| 227 | static struct session * _open_session (char * server, char * name) { |
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| 228 | if ( _session.refc == 0 ) { |
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| 229 | |
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| 230 | if ( name == NULL ) |
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| 231 | name = "libroaross client"; |
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| 232 | |
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| 233 | if ( roar_simple_connect(&(_session.con), server, name) == -1 ) |
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| 234 | return NULL; |
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[3157] | 235 | |
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| 236 | _find_volume_sid(&_session); |
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[3143] | 237 | } |
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[3138] | 238 | |
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[3143] | 239 | _session.refc++; |
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| 240 | return &_session; |
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[3138] | 241 | } |
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| 242 | |
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| 243 | static void _close_session(struct session * session) { |
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| 244 | if ( session == NULL ) |
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| 245 | return; |
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| 246 | |
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| 247 | session->refc--; |
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| 248 | |
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[3144] | 249 | ROAR_DBG("_close_session(session=%p): session->refc=%i", session, session->refc); |
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| 250 | |
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[3138] | 251 | if ( session->refc == 0 ) { |
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| 252 | roar_disconnect(&(session->con)); |
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| 253 | } |
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| 254 | } |
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| 255 | |
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[3140] | 256 | static struct handle * _open_handle(struct session * session) { |
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| 257 | struct handle * handle; |
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| 258 | |
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| 259 | if ( (handle = roar_mm_malloc(sizeof(struct handle))) == NULL ) |
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| 260 | return NULL; |
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| 261 | |
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| 262 | memset(handle, 0, sizeof(struct handle)); |
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| 263 | |
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| 264 | handle->refc = 1; |
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| 265 | handle->session = session; |
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| 266 | session->refc++; // TODO: better warp this |
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| 267 | handle->type = HT_NONE; |
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[3144] | 268 | handle->stream_dir = ROAR_DIR_PLAY; |
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| 269 | roar_stream_new(&(handle->stream), ROAR_RATE_DEFAULT, ROAR_CHANNELS_DEFAULT, ROAR_BITS_DEFAULT, ROAR_CODEC_DEFAULT); |
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[3140] | 270 | |
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| 271 | return handle; |
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| 272 | } |
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| 273 | |
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| 274 | static void _close_handle(struct handle * handle) { |
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| 275 | if (handle == NULL) |
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| 276 | return; |
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| 277 | |
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| 278 | handle->refc--; |
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| 279 | |
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[3144] | 280 | ROAR_DBG("_close_handle(handle=%p): handle->refc=%i", handle, handle->refc); |
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| 281 | |
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[3140] | 282 | if ( handle->refc == 0 ) { |
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| 283 | if ( handle->stream_opened ) |
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| 284 | roar_vio_close(&(handle->stream_vio)); |
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| 285 | |
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[3144] | 286 | handle->session->refc--; |
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| 287 | |
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| 288 | _close_session(handle->session); |
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| 289 | |
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[3140] | 290 | roar_mm_free(handle); |
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| 291 | } |
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| 292 | } |
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| 293 | |
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| 294 | static struct pointer * _get_pointer_by_fh (int fh) { |
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| 295 | int i; |
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| 296 | |
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| 297 | for (i = 0; i < _MAX_POINTER; i++) { |
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| 298 | if ( _ptr[i].fh == fh ) |
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| 299 | return &(_ptr[i]); |
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| 300 | } |
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| 301 | |
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| 302 | return NULL; |
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| 303 | } |
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| 304 | |
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| 305 | static struct pointer * _open_pointer(struct handle * handle) { |
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| 306 | struct pointer * ret = _get_pointer_by_fh(-1); |
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| 307 | |
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| 308 | if ( ret == NULL ) |
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| 309 | return NULL; |
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| 310 | |
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| 311 | if ( (ret->fh = _open_dummy()) == -1 ) |
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| 312 | return NULL; |
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| 313 | |
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| 314 | ret->handle = handle; |
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| 315 | |
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| 316 | return ret; |
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| 317 | } |
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| 318 | |
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| 319 | static void _close_pointer(struct pointer * pointer) { |
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| 320 | if ( pointer == NULL ) |
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| 321 | return; |
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| 322 | |
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| 323 | _os.close(pointer->fh); |
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| 324 | |
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| 325 | pointer->fh = -1; |
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| 326 | |
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| 327 | _close_handle(pointer->handle); |
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| 328 | } |
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[3138] | 329 | |
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| 330 | // ------------------------------------- |
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[3142] | 331 | // central open function: |
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| 332 | // ------------------------------------- |
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| 333 | |
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| 334 | static int _open_file (const char *pathname, int flags) { |
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[3143] | 335 | struct session * session; |
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| 336 | struct handle * handle; |
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| 337 | struct pointer * pointer; |
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| 338 | struct { |
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| 339 | char * prefix; |
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| 340 | int type; |
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| 341 | } * ptr = NULL, p[] = { |
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[3150] | 342 | {"/dev/dsp", HT_STREAM}, |
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[3173] | 343 | {"/dev/audio", HT_STREAM}, |
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[3150] | 344 | {"/dev/mixer", HT_MIXER}, |
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[3174] | 345 | #ifdef ROAR_DEFAULT_OSS_DEV |
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| 346 | {ROAR_DEFAULT_OSS_DEV, HT_STREAM}, |
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| 347 | #endif |
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[3143] | 348 | {NULL, HT_NONE}, |
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| 349 | }; |
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| 350 | int i; |
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| 351 | |
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| 352 | for (i = 0; p[i].prefix != NULL; i++) { |
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| 353 | if ( !strcmp(pathname, p[i].prefix) ) { |
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| 354 | ptr = &(p[i]); |
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| 355 | } |
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| 356 | } |
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| 357 | |
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| 358 | if ( ptr == NULL ) |
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| 359 | return -2; |
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| 360 | |
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| 361 | if ( (session = _open_session(NULL, NULL)) == NULL ) { |
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| 362 | return -1; |
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| 363 | } |
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| 364 | |
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| 365 | if ( (handle = _open_handle(session)) == NULL ) { |
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| 366 | _close_session(session); |
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| 367 | return -1; |
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| 368 | } |
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| 369 | |
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| 370 | handle->type = ptr->type; |
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| 371 | |
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[3145] | 372 | switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) { |
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| 373 | case O_RDONLY: |
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| 374 | handle->stream_dir = ROAR_DIR_MONITOR; |
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| 375 | break; |
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| 376 | case O_WRONLY: |
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| 377 | handle->stream_dir = ROAR_DIR_PLAY; |
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| 378 | break; |
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| 379 | case O_RDWR: |
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| 380 | handle->stream_dir = ROAR_DIR_BIDIR; |
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| 381 | break; |
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| 382 | } |
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| 383 | |
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[3143] | 384 | if ( (pointer = _open_pointer(handle)) == NULL ) { |
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| 385 | _close_handle(handle); |
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| 386 | return -1; |
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| 387 | } |
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| 388 | |
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| 389 | return pointer->fh; |
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[3142] | 390 | } |
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| 391 | |
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| 392 | // ------------------------------------- |
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[3144] | 393 | // open function for streams: |
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| 394 | // ------------------------------------- |
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| 395 | |
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| 396 | static int _open_stream (struct handle * handle) { |
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| 397 | // FIXME: this should be re-written much more cleanly: |
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| 398 | |
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| 399 | if ( handle == NULL ) |
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| 400 | return -1; |
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| 401 | |
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| 402 | if ( roar_vio_simple_new_stream_obj(&(handle->stream_vio), |
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| 403 | &(handle->session->con), &(handle->stream), |
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| 404 | handle->stream.info.rate, |
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| 405 | handle->stream.info.channels, |
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| 406 | handle->stream.info.bits, |
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| 407 | handle->stream.info.codec, |
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| 408 | handle->stream_dir |
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| 409 | ) == -1 ) |
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| 410 | return -1; |
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| 411 | |
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| 412 | handle->stream_opened++; |
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| 413 | |
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[3150] | 414 | _mix_settings.sid.pcm = roar_stream_get_id(&(handle->stream)); |
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| 415 | |
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[3144] | 416 | return 0; |
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| 417 | } |
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| 418 | |
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| 419 | // ------------------------------------- |
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[3147] | 420 | // function to parse format: |
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| 421 | // ------------------------------------- |
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| 422 | |
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| 423 | static int _ioctl_stream_format (struct handle * handle, int format) { |
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| 424 | struct roar_audio_info * info = &(handle->stream.info); |
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| 425 | |
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| 426 | switch (format) { |
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| 427 | case AFMT_S8: |
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| 428 | info->bits = 8; |
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| 429 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 430 | break; |
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| 431 | case AFMT_U8: |
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| 432 | info->bits = 8; |
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| 433 | info->codec = ROAR_CODEC_PCM_U_LE; |
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| 434 | break; |
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| 435 | case AFMT_S16_BE: |
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| 436 | info->bits = 16; |
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| 437 | info->codec = ROAR_CODEC_PCM_S_BE; |
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| 438 | break; |
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| 439 | case AFMT_S16_LE: |
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| 440 | info->bits = 16; |
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| 441 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 442 | break; |
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| 443 | case AFMT_U16_BE: |
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| 444 | info->bits = 16; |
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| 445 | info->codec = ROAR_CODEC_PCM_U_BE; |
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| 446 | break; |
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| 447 | case AFMT_U16_LE: |
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| 448 | info->bits = 16; |
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| 449 | info->codec = ROAR_CODEC_PCM_U_LE; |
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| 450 | break; |
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| 451 | #ifdef AFMT_S32_BE |
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| 452 | case AFMT_S32_BE: |
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| 453 | info->bits = 32; |
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| 454 | info->codec = ROAR_CODEC_PCM_S_BE; |
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| 455 | break; |
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| 456 | #endif |
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| 457 | #ifdef AFMT_S32_LE |
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| 458 | case AFMT_S32_LE: |
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| 459 | info->bits = 32; |
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| 460 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 461 | break; |
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| 462 | #endif |
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| 463 | case AFMT_A_LAW: |
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| 464 | info->bits = 8; |
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| 465 | info->codec = ROAR_CODEC_ALAW; |
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| 466 | break; |
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| 467 | case AFMT_MU_LAW: |
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| 468 | info->bits = 8; |
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| 469 | info->codec = ROAR_CODEC_MULAW; |
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| 470 | break; |
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| 471 | #ifdef AFMT_VORBIS |
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| 472 | case AFMT_VORBIS: |
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| 473 | info->codec = ROAR_CODEC_OGG_VORBIS; |
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| 474 | break; |
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| 475 | #endif |
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[3148] | 476 | default: |
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| 477 | errno = ENOSYS; |
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| 478 | return -1; |
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| 479 | break; |
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[3147] | 480 | } |
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| 481 | |
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[3148] | 482 | return 0; |
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[3147] | 483 | } |
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| 484 | |
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[3149] | 485 | static inline int _ioctl_stream_format_list (void) { |
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| 486 | int format = 0; |
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| 487 | |
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| 488 | format |= AFMT_S8; |
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| 489 | format |= AFMT_U8; |
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| 490 | |
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| 491 | format |= AFMT_S16_BE; |
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| 492 | format |= AFMT_S16_LE; |
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| 493 | |
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| 494 | format |= AFMT_U16_BE; |
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| 495 | format |= AFMT_U16_LE; |
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| 496 | |
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| 497 | #ifdef AFMT_S32_BE |
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| 498 | format |= AFMT_S32_BE; |
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| 499 | #endif |
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| 500 | #ifdef AFMT_S32_LE |
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| 501 | format |= AFMT_S32_LE; |
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| 502 | #endif |
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| 503 | |
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| 504 | format |= AFMT_A_LAW; |
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| 505 | format |= AFMT_MU_LAW; |
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| 506 | |
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| 507 | #ifdef AFMT_VORBIS |
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| 508 | format |= AFMT_VORBIS; |
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| 509 | #endif |
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| 510 | |
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| 511 | return format; |
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| 512 | } |
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| 513 | |
---|
[3147] | 514 | // ------------------------------------- |
---|
[3150] | 515 | // mixer ioctls: |
---|
| 516 | // ------------------------------------- |
---|
| 517 | |
---|
[3158] | 518 | static int _ioctl_mixer (struct handle * handle, long unsigned int req, void * vp) { |
---|
[3159] | 519 | mixer_info * info; |
---|
[3150] | 520 | int channels; |
---|
| 521 | struct roar_mixer_settings mixer; |
---|
[3155] | 522 | int o_w = 0; |
---|
[3150] | 523 | int o_sid = -1; |
---|
[3158] | 524 | int * ip = vp; |
---|
[3165] | 525 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
| 526 | char * name = NULL; |
---|
| 527 | #endif |
---|
[3150] | 528 | |
---|
[3165] | 529 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
[3150] | 530 | switch (req) { |
---|
| 531 | #if 0 |
---|
| 532 | case SNDCTL_MIX_DESCRIPTION: name = "SNDCTL_MIX_DESCRIPTION"; break; |
---|
| 533 | case SNDCTL_MIX_ENUMINFO: name = "SNDCTL_MIX_ENUMINFO"; break; |
---|
| 534 | case SNDCTL_MIX_EXTINFO: name = "SNDCTL_MIX_EXTINFO"; break; |
---|
| 535 | case SNDCTL_MIX_NREXT: name = "SNDCTL_MIX_NREXT"; break; |
---|
| 536 | case SNDCTL_MIX_NRMIX: name = "SNDCTL_MIX_NRMIX"; break; |
---|
| 537 | case SNDCTL_MIX_READ: name = "SNDCTL_MIX_READ"; break; |
---|
| 538 | case SNDCTL_MIX_WRITE: name = "SNDCTL_MIX_WRITE"; break; |
---|
| 539 | #endif |
---|
[3159] | 540 | // case SOUND_MIXER_INFO: name = "SOUND_MIXER_INFO"; break; |
---|
[3152] | 541 | case SOUND_OLD_MIXER_INFO: name = "SOUND_OLD_MIXER_INFO"; break; |
---|
| 542 | case SOUND_MIXER_ACCESS: name = "SOUND_MIXER_ACCESS"; break; |
---|
| 543 | case SOUND_MIXER_AGC: name = "SOUND_MIXER_AGC"; break; |
---|
| 544 | case SOUND_MIXER_3DSE: name = "SOUND_MIXER_3DSE"; break; |
---|
[3156] | 545 | case SOUND_MIXER_GETLEVELS: name = "SOUND_MIXER_GETLEVELS"; break; |
---|
| 546 | case SOUND_MIXER_SETLEVELS: name = "SOUND_MIXER_SETLEVELS"; break; |
---|
[3152] | 547 | case SOUND_MIXER_PRIVATE1: name = "SOUND_MIXER_PRIVATE1"; break; |
---|
| 548 | case SOUND_MIXER_PRIVATE2: name = "SOUND_MIXER_PRIVATE2"; break; |
---|
| 549 | case SOUND_MIXER_PRIVATE3: name = "SOUND_MIXER_PRIVATE3"; break; |
---|
| 550 | case SOUND_MIXER_PRIVATE4: name = "SOUND_MIXER_PRIVATE4"; break; |
---|
| 551 | case SOUND_MIXER_PRIVATE5: name = "SOUND_MIXER_PRIVATE5"; break; |
---|
| 552 | case OSS_GETVERSION: name = "OSS_GETVERSION"; break; |
---|
[3156] | 553 | // case SOUND_MIXER_READ_CAPS: name = "SOUND_MIXER_READ_CAPS"; break; |
---|
| 554 | case SOUND_MIXER_READ_MUTE: name = "SOUND_MIXER_READ_MUTE"; break; |
---|
[3152] | 555 | /* |
---|
| 556 | case : name = ""; break; |
---|
[3156] | 557 | case : name = ""; break; |
---|
[3152] | 558 | */ |
---|
[3150] | 559 | } |
---|
| 560 | if ( name != NULL ) { |
---|
| 561 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unspported mixer command %s", handle, req, ip, name); |
---|
| 562 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
| 563 | errno = ENOSYS; |
---|
| 564 | return -1; |
---|
| 565 | } |
---|
[3165] | 566 | #endif |
---|
[3150] | 567 | |
---|
| 568 | switch (req) { |
---|
| 569 | case SOUND_MIXER_READ_VOLUME: o_w = 0; o_sid = _mix_settings.sid.volume; break; |
---|
| 570 | case SOUND_MIXER_READ_LINE: o_w = 0; o_sid = _mix_settings.sid.line; break; |
---|
| 571 | case SOUND_MIXER_READ_LINE1: o_w = 0; o_sid = _mix_settings.sid.line1; break; |
---|
| 572 | case SOUND_MIXER_READ_LINE2: o_w = 0; o_sid = _mix_settings.sid.line2; break; |
---|
| 573 | case SOUND_MIXER_READ_LINE3: o_w = 0; o_sid = _mix_settings.sid.line3; break; |
---|
| 574 | #if 0 |
---|
| 575 | case SOUND_MIXER_READ_DIGITAL1: o_w = 0; o_sid = _mix_settings.sid.digital1; break; |
---|
| 576 | case SOUND_MIXER_READ_DIGITAL2: o_w = 0; o_sid = _mix_settings.sid.digital2; break; |
---|
| 577 | case SOUND_MIXER_READ_DIGITAL3: o_w = 0; o_sid = _mix_settings.sid.digital3; break; |
---|
| 578 | #endif |
---|
| 579 | case SOUND_MIXER_WRITE_VOLUME: o_w = 1; o_sid = _mix_settings.sid.volume; break; |
---|
| 580 | case SOUND_MIXER_WRITE_LINE: o_w = 1; o_sid = _mix_settings.sid.line; break; |
---|
| 581 | case SOUND_MIXER_WRITE_LINE1: o_w = 1; o_sid = _mix_settings.sid.line1; break; |
---|
| 582 | case SOUND_MIXER_WRITE_LINE2: o_w = 1; o_sid = _mix_settings.sid.line2; break; |
---|
| 583 | case SOUND_MIXER_WRITE_LINE3: o_w = 1; o_sid = _mix_settings.sid.line3; break; |
---|
| 584 | #if 0 |
---|
| 585 | case SOUND_MIXER_WRITE_DIGITAL1: o_w = 1; o_sid = _mix_settings.sid.digital1; break; |
---|
| 586 | case SOUND_MIXER_WRITE_DIGITAL2: o_w = 1; o_sid = _mix_settings.sid.digital2; break; |
---|
| 587 | case SOUND_MIXER_WRITE_DIGITAL3: o_w = 1; o_sid = _mix_settings.sid.digital3; break; |
---|
| 588 | #endif |
---|
[3177] | 589 | // we handle PCM seperatly as we want to be abled to abled to handle it on a stream (not mixer), too: |
---|
| 590 | case SOUND_MIXER_READ_PCM: |
---|
| 591 | o_w = 0; |
---|
| 592 | if ( handle->type == HT_STREAM ) { |
---|
| 593 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
| 594 | } else { |
---|
| 595 | o_sid = _mix_settings.sid.pcm; |
---|
| 596 | } |
---|
| 597 | break; |
---|
| 598 | case SOUND_MIXER_WRITE_PCM: |
---|
| 599 | o_w = 1; |
---|
| 600 | if ( handle->type == HT_STREAM ) { |
---|
| 601 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
| 602 | } else { |
---|
| 603 | o_sid = _mix_settings.sid.pcm; |
---|
| 604 | } |
---|
| 605 | break; |
---|
[3150] | 606 | } |
---|
| 607 | if ( o_sid != -1 ) { |
---|
| 608 | // set/get volume |
---|
| 609 | if ( o_w ) { |
---|
| 610 | mixer.scale = 65535; |
---|
[3153] | 611 | mixer.mixer[0] = ( *ip & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
| 612 | mixer.mixer[1] = ((*ip >> 8) & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
[3150] | 613 | if ( roar_set_vol(&(handle->session->con), o_sid, &mixer, 2) == -1 ) { |
---|
[3156] | 614 | errno = EIO; |
---|
[3150] | 615 | return -1; |
---|
| 616 | } |
---|
| 617 | return 0; |
---|
| 618 | } else { |
---|
| 619 | if ( roar_get_vol(&(handle->session->con), o_sid, &mixer, &channels) == -1 ) { |
---|
[3156] | 620 | errno = EIO; |
---|
[3150] | 621 | return -1; |
---|
| 622 | } |
---|
[3153] | 623 | *ip = ((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale) | (((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale)<<8); |
---|
[3150] | 624 | return 0; |
---|
| 625 | } |
---|
| 626 | } |
---|
| 627 | |
---|
| 628 | switch (req) { |
---|
[3155] | 629 | case SOUND_MIXER_READ_STEREODEVS: /* FIXME: check the streams for channel config */ |
---|
[3150] | 630 | case SOUND_MIXER_READ_DEVMASK: |
---|
| 631 | *ip = 0; |
---|
| 632 | |
---|
| 633 | if ( _mix_settings.sid.volume != -1 ) |
---|
| 634 | *ip |= SOUND_MASK_VOLUME; |
---|
| 635 | if ( _mix_settings.sid.pcm != -1 ) |
---|
| 636 | *ip |= SOUND_MASK_PCM; |
---|
| 637 | if ( _mix_settings.sid.line != -1 ) |
---|
| 638 | *ip |= SOUND_MASK_LINE; |
---|
| 639 | if ( _mix_settings.sid.line1 != -1 ) |
---|
| 640 | *ip |= SOUND_MASK_LINE1; |
---|
| 641 | if ( _mix_settings.sid.line2 != -1 ) |
---|
| 642 | *ip |= SOUND_MASK_LINE2; |
---|
| 643 | if ( _mix_settings.sid.line3 != -1 ) |
---|
| 644 | *ip |= SOUND_MASK_LINE3; |
---|
| 645 | if ( _mix_settings.sid.digital1 != -1 ) |
---|
[3156] | 646 | #if 0 |
---|
[3150] | 647 | *ip |= SOUND_MASK_DIGITAL1; |
---|
| 648 | if ( _mix_settings.sid.digital2 != -1 ) |
---|
| 649 | *ip |= SOUND_MASK_DIGITAL2; |
---|
| 650 | if ( _mix_settings.sid.digital3 != -1 ) |
---|
| 651 | *ip |= SOUND_MASK_DIGITAL3; |
---|
[3156] | 652 | #endif |
---|
[3150] | 653 | |
---|
| 654 | return 0; |
---|
| 655 | break; |
---|
[3153] | 656 | case SOUND_MIXER_READ_RECMASK: |
---|
[3154] | 657 | case SOUND_MIXER_READ_RECSRC: |
---|
[3153] | 658 | *ip = SOUND_MASK_VOLUME; // we can currently only read from mixer |
---|
| 659 | return 0; |
---|
| 660 | break; |
---|
[3154] | 661 | case SOUND_MIXER_WRITE_RECSRC: |
---|
| 662 | if ( *ip == SOUND_MASK_VOLUME ) { |
---|
| 663 | return 0; |
---|
| 664 | } else { |
---|
| 665 | errno = ENOTSUP; |
---|
| 666 | return -1; |
---|
| 667 | } |
---|
| 668 | break; |
---|
[3156] | 669 | case SOUND_MIXER_READ_CAPS: |
---|
| 670 | *ip = 0; |
---|
| 671 | return 0; |
---|
| 672 | break; |
---|
[3159] | 673 | case SOUND_MIXER_INFO: |
---|
| 674 | info = vp; |
---|
| 675 | memset(info, 0, sizeof(*info)); |
---|
| 676 | strcpy(info->id, "RoarAudio"); |
---|
| 677 | strcpy(info->name, "RoarAudio"); |
---|
| 678 | return 0; |
---|
| 679 | break; |
---|
[3150] | 680 | } |
---|
| 681 | |
---|
| 682 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unknown mixer CTL", handle, req, ip); |
---|
[3156] | 683 | // _os.ioctl(-1, req, ip); |
---|
[3150] | 684 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
| 685 | errno = ENOSYS; |
---|
| 686 | return -1; |
---|
| 687 | } |
---|
| 688 | |
---|
| 689 | // ------------------------------------- |
---|
[3138] | 690 | // emulated functions follow: |
---|
| 691 | // ------------------------------------- |
---|
| 692 | |
---|
| 693 | int open(const char *pathname, int flags, ...) { |
---|
[3142] | 694 | int ret; |
---|
| 695 | mode_t mode = 0; |
---|
[3138] | 696 | va_list args; |
---|
| 697 | |
---|
| 698 | _init(); |
---|
| 699 | |
---|
[3142] | 700 | ret = _open_file(pathname, flags); |
---|
| 701 | |
---|
| 702 | switch (ret) { |
---|
| 703 | case -2: // continue as normal, use _op.open() |
---|
| 704 | break; |
---|
| 705 | case -1: // pass error to caller |
---|
| 706 | return -1; |
---|
| 707 | break; |
---|
| 708 | default: // return successfully opened pointer to caller |
---|
| 709 | return ret; |
---|
| 710 | break; |
---|
| 711 | } |
---|
| 712 | |
---|
[3138] | 713 | if (flags & O_CREAT) { |
---|
| 714 | va_start(args, flags); |
---|
| 715 | mode = va_arg(args, mode_t); |
---|
| 716 | va_end(args); |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | return _os.open(pathname, flags, mode); |
---|
| 720 | } |
---|
| 721 | |
---|
| 722 | int close(int fd) { |
---|
[3140] | 723 | struct pointer * pointer; |
---|
[3138] | 724 | _init(); |
---|
| 725 | |
---|
[3140] | 726 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 727 | _close_pointer(pointer); |
---|
| 728 | return 0; |
---|
| 729 | } |
---|
| 730 | |
---|
[3138] | 731 | return _os.close(fd); |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | ssize_t write(int fd, const void *buf, size_t count) { |
---|
[3140] | 735 | struct pointer * pointer; |
---|
| 736 | |
---|
[3138] | 737 | _init(); |
---|
| 738 | |
---|
[3140] | 739 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 740 | if ( pointer->handle->type == HT_STREAM ) { |
---|
| 741 | if ( pointer->handle->stream_opened == 0 ) { |
---|
| 742 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
| 743 | errno = EIO; |
---|
| 744 | return -1; |
---|
| 745 | } |
---|
| 746 | } |
---|
[3141] | 747 | return roar_vio_write(&(pointer->handle->stream_vio), (char*)buf, count); |
---|
[3140] | 748 | } else { |
---|
| 749 | errno = EINVAL; |
---|
| 750 | return -1; |
---|
| 751 | } |
---|
| 752 | } |
---|
| 753 | |
---|
[3138] | 754 | return _os.write(fd, buf, count); |
---|
| 755 | } |
---|
| 756 | |
---|
| 757 | ssize_t read(int fd, void *buf, size_t count) { |
---|
[3140] | 758 | struct pointer * pointer; |
---|
| 759 | |
---|
[3138] | 760 | _init(); |
---|
| 761 | |
---|
[3140] | 762 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 763 | if ( pointer->handle->type == HT_STREAM ) { |
---|
| 764 | if ( pointer->handle->stream_opened == 0 ) { |
---|
| 765 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
| 766 | errno = EIO; |
---|
| 767 | return -1; |
---|
| 768 | } |
---|
| 769 | } |
---|
| 770 | return roar_vio_read(&(pointer->handle->stream_vio), buf, count); |
---|
| 771 | } else { |
---|
| 772 | errno = EINVAL; |
---|
| 773 | return -1; |
---|
| 774 | } |
---|
| 775 | } |
---|
| 776 | |
---|
[3138] | 777 | return _os.read(fd, buf, count); |
---|
| 778 | } |
---|
| 779 | |
---|
[3169] | 780 | IOCTL() { |
---|
| 781 | map_args; |
---|
[3147] | 782 | struct pointer * pointer; |
---|
| 783 | struct handle * handle; |
---|
[3169] | 784 | int * ip = NULL; |
---|
[3176] | 785 | audio_buf_info * bi; |
---|
[3169] | 786 | #ifdef va_argp |
---|
[3146] | 787 | va_list args; |
---|
[3169] | 788 | #endif |
---|
[3146] | 789 | |
---|
| 790 | _init(); |
---|
| 791 | |
---|
[3150] | 792 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu) = ?", __fd, (long unsigned int) __request); |
---|
[3148] | 793 | |
---|
[3169] | 794 | #ifdef va_argp |
---|
[3146] | 795 | va_start (args, __request); |
---|
| 796 | argp = va_arg (args, void *); |
---|
| 797 | va_end (args); |
---|
[3169] | 798 | #endif |
---|
[3146] | 799 | |
---|
[3150] | 800 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): argp=%p", __fd, (long unsigned int) __request, argp); |
---|
[3148] | 801 | |
---|
[3147] | 802 | if ( (pointer = _get_pointer_by_fh(__fd)) != NULL ) { |
---|
[3148] | 803 | ip = argp; |
---|
[3150] | 804 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
[3147] | 805 | switch ((handle = pointer->handle)->type) { |
---|
| 806 | case HT_STREAM: |
---|
| 807 | switch (__request) { |
---|
| 808 | case SNDCTL_DSP_RESET: |
---|
| 809 | case SNDCTL_DSP_POST: |
---|
[3162] | 810 | case SNDCTL_DSP_SETFRAGMENT: // any fragments should be ok for us... |
---|
[3175] | 811 | return 0; |
---|
[3147] | 812 | break; |
---|
| 813 | case SNDCTL_DSP_SPEED: |
---|
| 814 | handle->stream.info.rate = *ip; |
---|
| 815 | return 0; |
---|
| 816 | break; |
---|
| 817 | case SNDCTL_DSP_CHANNELS: |
---|
| 818 | handle->stream.info.channels = *ip; |
---|
| 819 | return 0; |
---|
| 820 | break; |
---|
[3160] | 821 | case SNDCTL_DSP_STEREO: |
---|
| 822 | handle->stream.info.channels = *ip ? 2 : 1; |
---|
| 823 | return 0; |
---|
| 824 | break; |
---|
[3161] | 825 | case SNDCTL_DSP_GETBLKSIZE: |
---|
| 826 | *ip = handle->stream.info.rate * handle->stream.info.channels * handle->stream.info.bits / 800; |
---|
| 827 | return 0; |
---|
| 828 | break; |
---|
[3147] | 829 | case SNDCTL_DSP_SETFMT: |
---|
| 830 | return _ioctl_stream_format(handle, *ip); |
---|
| 831 | break; |
---|
[3148] | 832 | case SNDCTL_DSP_GETFMTS: |
---|
[3150] | 833 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
[3149] | 834 | *ip = _ioctl_stream_format_list(); |
---|
[3148] | 835 | return 0; |
---|
| 836 | break; |
---|
[3176] | 837 | case SNDCTL_DSP_GETOSPACE: |
---|
| 838 | case SNDCTL_DSP_GETISPACE: |
---|
| 839 | bi = argp; |
---|
| 840 | memset(bi, 0, sizeof(*bi)); |
---|
| 841 | bi->bytes = handle->stream.info.rate * handle->stream.info.channels * handle->stream.info.bits / 800; |
---|
| 842 | bi->fragments = 1; |
---|
| 843 | bi->fragsize = bi->bytes; |
---|
| 844 | bi->fragstotal = 1; |
---|
| 845 | return 0; |
---|
| 846 | break; |
---|
[3177] | 847 | #ifdef SNDCTL_DSP_GETPLAYVOL |
---|
| 848 | case SNDCTL_DSP_GETPLAYVOL: |
---|
| 849 | return _ioctl_mixer(handle, SOUND_MIXER_READ_PCM, argp); |
---|
| 850 | break; |
---|
| 851 | #endif |
---|
| 852 | #ifdef SNDCTL_DSP_SETPLAYVOL |
---|
| 853 | case SNDCTL_DSP_SETPLAYVOL: |
---|
| 854 | return _ioctl_mixer(handle, SOUND_MIXER_WRITE_PCM, argp); |
---|
| 855 | break; |
---|
| 856 | #endif |
---|
[3147] | 857 | default: |
---|
[3148] | 858 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
[3147] | 859 | errno = ENOSYS; |
---|
| 860 | return -1; |
---|
| 861 | } |
---|
| 862 | break; |
---|
| 863 | case HT_MIXER: |
---|
[3158] | 864 | return _ioctl_mixer(handle, __request, argp); |
---|
[3147] | 865 | break; |
---|
| 866 | default: |
---|
[3150] | 867 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): unknown handle type: no ioctl()s supported", __fd, (long unsigned int) __request); |
---|
| 868 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
[3147] | 869 | errno = EINVAL; |
---|
| 870 | return -1; |
---|
| 871 | break; |
---|
| 872 | } |
---|
| 873 | } |
---|
| 874 | |
---|
[3166] | 875 | #ifdef IOCTL_IS_ALIAS |
---|
| 876 | errno = ENOSYS; |
---|
| 877 | return -1; |
---|
| 878 | #else |
---|
[3146] | 879 | return _os.ioctl(__fd, __request, argp); |
---|
[3166] | 880 | #endif |
---|
[3146] | 881 | } |
---|
| 882 | |
---|
[3138] | 883 | #endif |
---|
| 884 | |
---|
| 885 | //ll |
---|