[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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[3180] | 81 | #elif defined(ROAR_TARGET_CYGWIN) |
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| 82 | #define IOCTL() int ioctl (int __fd, int __cmd, ...) |
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| 83 | #define map_args unsigned long int __request = __cmd; void * argp |
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| 84 | #define va_argp |
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| 85 | #define ioctl_lastarg __cmd |
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[3169] | 86 | #else |
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| 87 | #define IOCTL() int ioctl (int __fd, unsigned long int __request, ...) |
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[3171] | 88 | #define map_args void * argp |
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[3169] | 89 | #define va_argp |
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[3180] | 90 | #define ioctl_lastarg __request |
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[3169] | 91 | #endif |
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| 92 | |
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[3153] | 93 | #define OSS_VOLUME_SCALE 100 |
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| 94 | |
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[3138] | 95 | #define _MAX_POINTER 8 |
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| 96 | |
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[3140] | 97 | // handle type: |
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| 98 | #define HT_NONE 0 |
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| 99 | #define HT_STREAM 1 |
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| 100 | #define HT_MIXER 2 |
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| 101 | |
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[3138] | 102 | struct session { |
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| 103 | int refc; |
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| 104 | struct roar_connection con; |
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| 105 | }; |
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| 106 | |
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| 107 | static struct session _session = {.refc = 0}; |
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| 108 | |
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| 109 | struct handle { |
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| 110 | int refc; // refrence counter |
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| 111 | struct session * session; |
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[3140] | 112 | int type; |
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| 113 | struct roar_stream stream; |
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| 114 | struct roar_vio_calls stream_vio; |
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[3144] | 115 | int stream_dir; |
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[3140] | 116 | int stream_opened; |
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[3178] | 117 | size_t stream_buffersize; |
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| 118 | size_t readc, writec; |
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[3138] | 119 | }; |
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| 120 | |
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| 121 | static struct { |
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| 122 | int (*open)(const char *pathname, int flags, mode_t mode); |
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| 123 | int (*close)(int fd); |
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| 124 | ssize_t (*write)(int fd, const void *buf, size_t count); |
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| 125 | ssize_t (*read)(int fd, void *buf, size_t count); |
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[3166] | 126 | #ifndef IOCTL_IS_ALIAS |
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[3146] | 127 | int (*ioctl)(int d, int request, ...); |
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[3166] | 128 | #endif |
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[3138] | 129 | } _os; |
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| 130 | |
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[3150] | 131 | static struct { |
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| 132 | struct { |
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| 133 | int volume; |
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| 134 | int pcm; |
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| 135 | int line; |
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| 136 | int line1; |
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| 137 | int line2; |
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| 138 | int line3; |
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| 139 | int digital1; |
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| 140 | int digital2; |
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| 141 | int digital3; |
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| 142 | } sid; |
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| 143 | } _mix_settings = { |
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| 144 | .sid = { |
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| 145 | .volume = -1, |
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| 146 | .pcm = -1, |
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| 147 | .line = 0, |
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| 148 | .line1 = 1, |
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| 149 | .line2 = 2, |
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| 150 | .line3 = 3, |
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| 151 | .digital1 = 1, |
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| 152 | .digital2 = 2, |
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| 153 | .digital3 = 3 |
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| 154 | } |
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| 155 | }; |
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| 156 | |
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[3140] | 157 | static struct pointer { |
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[3138] | 158 | int fh; |
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| 159 | struct handle * handle; |
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| 160 | } _ptr[_MAX_POINTER]; |
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| 161 | |
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| 162 | static void _init_os (void) { |
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| 163 | memset(&_os, 0, sizeof(_os)); |
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[3139] | 164 | |
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| 165 | _os.open = dlsym(REAL_LIBC, "open"); |
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| 166 | _os.close = dlsym(REAL_LIBC, "close"); |
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| 167 | _os.write = dlsym(REAL_LIBC, "write"); |
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| 168 | _os.read = dlsym(REAL_LIBC, "read"); |
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[3166] | 169 | #ifndef IOCTL_IS_ALIAS |
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[3146] | 170 | _os.ioctl = dlsym(REAL_LIBC, "ioctl"); |
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[3166] | 171 | #endif |
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[3138] | 172 | } |
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| 173 | |
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| 174 | static void _init_ptr (void) { |
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| 175 | int i; |
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| 176 | |
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| 177 | for (i = 0; i < _MAX_POINTER; i++) { |
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| 178 | _ptr[i].fh = -1; |
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| 179 | } |
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| 180 | } |
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| 181 | |
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| 182 | static void _init (void) { |
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| 183 | static int inited = 0; |
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| 184 | |
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| 185 | if ( !inited ) { |
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| 186 | _init_os(); |
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| 187 | _init_ptr(); |
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| 188 | inited++; |
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| 189 | } |
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| 190 | } |
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| 191 | |
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[3157] | 192 | static void _find_volume_sid (struct session * session) { |
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| 193 | int i; |
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| 194 | int num; |
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| 195 | int id[ROAR_STREAMS_MAX]; |
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| 196 | struct roar_stream s; |
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| 197 | char name[1024]; |
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| 198 | |
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| 199 | ROAR_DBG("_find_volume_sid(session=%p) = ?", session); |
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| 200 | |
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| 201 | if ( (num = roar_list_streams(&(session->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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| 202 | return; |
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| 203 | } |
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| 204 | |
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| 205 | for (i = 0; i < num; i++) { |
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| 206 | if ( roar_get_stream(&(session->con), &s, id[i]) == -1 ) |
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| 207 | continue; |
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| 208 | |
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| 209 | if ( s.dir != ROAR_DIR_MIXING ) |
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| 210 | continue; |
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| 211 | |
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| 212 | if ( roar_stream_get_name(&(session->con), &s, name, 1024) == -1 ) |
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| 213 | continue; |
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| 214 | |
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| 215 | if ( !strcasecmp(name, "Waveform Mixer") ) { |
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| 216 | _mix_settings.sid.volume = id[i]; |
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| 217 | ROAR_DBG("_find_volume_sid(session=%p): found waveform mixer at sid %i", session, id[i]); |
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| 218 | ROAR_DBG("_find_volume_sid(session=%p) = (void)", session); |
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| 219 | return; |
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| 220 | } |
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| 221 | } |
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| 222 | } |
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| 223 | |
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[3138] | 224 | static int _open_dummy (void) { |
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| 225 | int p[2]; |
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| 226 | |
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| 227 | if ( pipe(p) == -1 ) |
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| 228 | return -1; |
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| 229 | |
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| 230 | close(p[1]); |
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| 231 | |
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| 232 | return p[0]; |
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| 233 | } |
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| 234 | |
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| 235 | static struct session * _open_session (char * server, char * name) { |
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| 236 | if ( _session.refc == 0 ) { |
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| 237 | |
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| 238 | if ( name == NULL ) |
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| 239 | name = "libroaross client"; |
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| 240 | |
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| 241 | if ( roar_simple_connect(&(_session.con), server, name) == -1 ) |
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| 242 | return NULL; |
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[3157] | 243 | |
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| 244 | _find_volume_sid(&_session); |
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[3143] | 245 | } |
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[3138] | 246 | |
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[3143] | 247 | _session.refc++; |
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| 248 | return &_session; |
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[3138] | 249 | } |
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| 250 | |
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| 251 | static void _close_session(struct session * session) { |
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| 252 | if ( session == NULL ) |
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| 253 | return; |
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| 254 | |
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| 255 | session->refc--; |
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| 256 | |
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[3144] | 257 | ROAR_DBG("_close_session(session=%p): session->refc=%i", session, session->refc); |
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| 258 | |
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[3138] | 259 | if ( session->refc == 0 ) { |
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| 260 | roar_disconnect(&(session->con)); |
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| 261 | } |
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| 262 | } |
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| 263 | |
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[3140] | 264 | static struct handle * _open_handle(struct session * session) { |
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| 265 | struct handle * handle; |
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| 266 | |
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| 267 | if ( (handle = roar_mm_malloc(sizeof(struct handle))) == NULL ) |
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| 268 | return NULL; |
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| 269 | |
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| 270 | memset(handle, 0, sizeof(struct handle)); |
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| 271 | |
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| 272 | handle->refc = 1; |
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| 273 | handle->session = session; |
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| 274 | session->refc++; // TODO: better warp this |
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| 275 | handle->type = HT_NONE; |
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[3144] | 276 | handle->stream_dir = ROAR_DIR_PLAY; |
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| 277 | roar_stream_new(&(handle->stream), ROAR_RATE_DEFAULT, ROAR_CHANNELS_DEFAULT, ROAR_BITS_DEFAULT, ROAR_CODEC_DEFAULT); |
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[3140] | 278 | |
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| 279 | return handle; |
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| 280 | } |
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| 281 | |
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| 282 | static void _close_handle(struct handle * handle) { |
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| 283 | if (handle == NULL) |
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| 284 | return; |
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| 285 | |
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| 286 | handle->refc--; |
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| 287 | |
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[3144] | 288 | ROAR_DBG("_close_handle(handle=%p): handle->refc=%i", handle, handle->refc); |
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| 289 | |
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[3140] | 290 | if ( handle->refc == 0 ) { |
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| 291 | if ( handle->stream_opened ) |
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| 292 | roar_vio_close(&(handle->stream_vio)); |
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| 293 | |
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[3144] | 294 | handle->session->refc--; |
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| 295 | |
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| 296 | _close_session(handle->session); |
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| 297 | |
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[3140] | 298 | roar_mm_free(handle); |
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| 299 | } |
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| 300 | } |
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| 301 | |
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| 302 | static struct pointer * _get_pointer_by_fh (int fh) { |
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| 303 | int i; |
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| 304 | |
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| 305 | for (i = 0; i < _MAX_POINTER; i++) { |
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| 306 | if ( _ptr[i].fh == fh ) |
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| 307 | return &(_ptr[i]); |
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| 308 | } |
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| 309 | |
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| 310 | return NULL; |
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| 311 | } |
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| 312 | |
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| 313 | static struct pointer * _open_pointer(struct handle * handle) { |
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| 314 | struct pointer * ret = _get_pointer_by_fh(-1); |
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| 315 | |
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| 316 | if ( ret == NULL ) |
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| 317 | return NULL; |
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| 318 | |
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| 319 | if ( (ret->fh = _open_dummy()) == -1 ) |
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| 320 | return NULL; |
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| 321 | |
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| 322 | ret->handle = handle; |
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| 323 | |
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| 324 | return ret; |
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| 325 | } |
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| 326 | |
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| 327 | static void _close_pointer(struct pointer * pointer) { |
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| 328 | if ( pointer == NULL ) |
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| 329 | return; |
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| 330 | |
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| 331 | _os.close(pointer->fh); |
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| 332 | |
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| 333 | pointer->fh = -1; |
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| 334 | |
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| 335 | _close_handle(pointer->handle); |
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| 336 | } |
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[3138] | 337 | |
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| 338 | // ------------------------------------- |
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[3142] | 339 | // central open function: |
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| 340 | // ------------------------------------- |
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| 341 | |
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| 342 | static int _open_file (const char *pathname, int flags) { |
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[3143] | 343 | struct session * session; |
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| 344 | struct handle * handle; |
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| 345 | struct pointer * pointer; |
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| 346 | struct { |
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| 347 | char * prefix; |
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| 348 | int type; |
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| 349 | } * ptr = NULL, p[] = { |
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[3150] | 350 | {"/dev/dsp", HT_STREAM}, |
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[3173] | 351 | {"/dev/audio", HT_STREAM}, |
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[3150] | 352 | {"/dev/mixer", HT_MIXER}, |
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[3174] | 353 | #ifdef ROAR_DEFAULT_OSS_DEV |
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| 354 | {ROAR_DEFAULT_OSS_DEV, HT_STREAM}, |
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| 355 | #endif |
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[3143] | 356 | {NULL, HT_NONE}, |
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| 357 | }; |
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| 358 | int i; |
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| 359 | |
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| 360 | for (i = 0; p[i].prefix != NULL; i++) { |
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| 361 | if ( !strcmp(pathname, p[i].prefix) ) { |
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| 362 | ptr = &(p[i]); |
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| 363 | } |
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| 364 | } |
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| 365 | |
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| 366 | if ( ptr == NULL ) |
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| 367 | return -2; |
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| 368 | |
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| 369 | if ( (session = _open_session(NULL, NULL)) == NULL ) { |
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| 370 | return -1; |
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| 371 | } |
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| 372 | |
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| 373 | if ( (handle = _open_handle(session)) == NULL ) { |
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| 374 | _close_session(session); |
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| 375 | return -1; |
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| 376 | } |
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| 377 | |
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| 378 | handle->type = ptr->type; |
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| 379 | |
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[3145] | 380 | switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) { |
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| 381 | case O_RDONLY: |
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| 382 | handle->stream_dir = ROAR_DIR_MONITOR; |
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| 383 | break; |
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| 384 | case O_WRONLY: |
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| 385 | handle->stream_dir = ROAR_DIR_PLAY; |
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| 386 | break; |
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| 387 | case O_RDWR: |
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| 388 | handle->stream_dir = ROAR_DIR_BIDIR; |
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| 389 | break; |
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| 390 | } |
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| 391 | |
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[3143] | 392 | if ( (pointer = _open_pointer(handle)) == NULL ) { |
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| 393 | _close_handle(handle); |
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| 394 | return -1; |
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| 395 | } |
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| 396 | |
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| 397 | return pointer->fh; |
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[3142] | 398 | } |
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| 399 | |
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| 400 | // ------------------------------------- |
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[3144] | 401 | // open function for streams: |
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| 402 | // ------------------------------------- |
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| 403 | |
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| 404 | static int _open_stream (struct handle * handle) { |
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| 405 | // FIXME: this should be re-written much more cleanly: |
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| 406 | |
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| 407 | if ( handle == NULL ) |
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| 408 | return -1; |
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| 409 | |
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| 410 | if ( roar_vio_simple_new_stream_obj(&(handle->stream_vio), |
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| 411 | &(handle->session->con), &(handle->stream), |
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| 412 | handle->stream.info.rate, |
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| 413 | handle->stream.info.channels, |
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| 414 | handle->stream.info.bits, |
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| 415 | handle->stream.info.codec, |
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| 416 | handle->stream_dir |
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| 417 | ) == -1 ) |
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| 418 | return -1; |
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| 419 | |
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| 420 | handle->stream_opened++; |
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| 421 | |
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[3150] | 422 | _mix_settings.sid.pcm = roar_stream_get_id(&(handle->stream)); |
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| 423 | |
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[3144] | 424 | return 0; |
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| 425 | } |
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| 426 | |
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| 427 | // ------------------------------------- |
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[3147] | 428 | // function to parse format: |
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| 429 | // ------------------------------------- |
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| 430 | |
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| 431 | static int _ioctl_stream_format (struct handle * handle, int format) { |
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| 432 | struct roar_audio_info * info = &(handle->stream.info); |
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| 433 | |
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| 434 | switch (format) { |
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| 435 | case AFMT_S8: |
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| 436 | info->bits = 8; |
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| 437 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 438 | break; |
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| 439 | case AFMT_U8: |
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| 440 | info->bits = 8; |
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| 441 | info->codec = ROAR_CODEC_PCM_U_LE; |
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| 442 | break; |
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| 443 | case AFMT_S16_BE: |
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| 444 | info->bits = 16; |
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| 445 | info->codec = ROAR_CODEC_PCM_S_BE; |
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| 446 | break; |
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| 447 | case AFMT_S16_LE: |
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| 448 | info->bits = 16; |
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| 449 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 450 | break; |
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| 451 | case AFMT_U16_BE: |
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| 452 | info->bits = 16; |
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| 453 | info->codec = ROAR_CODEC_PCM_U_BE; |
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| 454 | break; |
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| 455 | case AFMT_U16_LE: |
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| 456 | info->bits = 16; |
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| 457 | info->codec = ROAR_CODEC_PCM_U_LE; |
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| 458 | break; |
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| 459 | #ifdef AFMT_S32_BE |
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| 460 | case AFMT_S32_BE: |
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| 461 | info->bits = 32; |
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| 462 | info->codec = ROAR_CODEC_PCM_S_BE; |
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| 463 | break; |
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| 464 | #endif |
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| 465 | #ifdef AFMT_S32_LE |
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| 466 | case AFMT_S32_LE: |
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| 467 | info->bits = 32; |
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| 468 | info->codec = ROAR_CODEC_PCM_S_LE; |
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| 469 | break; |
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| 470 | #endif |
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| 471 | case AFMT_A_LAW: |
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| 472 | info->bits = 8; |
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| 473 | info->codec = ROAR_CODEC_ALAW; |
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| 474 | break; |
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| 475 | case AFMT_MU_LAW: |
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| 476 | info->bits = 8; |
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| 477 | info->codec = ROAR_CODEC_MULAW; |
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| 478 | break; |
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| 479 | #ifdef AFMT_VORBIS |
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| 480 | case AFMT_VORBIS: |
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| 481 | info->codec = ROAR_CODEC_OGG_VORBIS; |
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| 482 | break; |
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| 483 | #endif |
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[3148] | 484 | default: |
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| 485 | errno = ENOSYS; |
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| 486 | return -1; |
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| 487 | break; |
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[3147] | 488 | } |
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| 489 | |
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[3148] | 490 | return 0; |
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[3147] | 491 | } |
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| 492 | |
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[3149] | 493 | static inline int _ioctl_stream_format_list (void) { |
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| 494 | int format = 0; |
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| 495 | |
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| 496 | format |= AFMT_S8; |
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| 497 | format |= AFMT_U8; |
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| 498 | |
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| 499 | format |= AFMT_S16_BE; |
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| 500 | format |= AFMT_S16_LE; |
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| 501 | |
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| 502 | format |= AFMT_U16_BE; |
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| 503 | format |= AFMT_U16_LE; |
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| 504 | |
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| 505 | #ifdef AFMT_S32_BE |
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| 506 | format |= AFMT_S32_BE; |
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| 507 | #endif |
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| 508 | #ifdef AFMT_S32_LE |
---|
| 509 | format |= AFMT_S32_LE; |
---|
| 510 | #endif |
---|
| 511 | |
---|
| 512 | format |= AFMT_A_LAW; |
---|
| 513 | format |= AFMT_MU_LAW; |
---|
| 514 | |
---|
| 515 | #ifdef AFMT_VORBIS |
---|
| 516 | format |= AFMT_VORBIS; |
---|
| 517 | #endif |
---|
| 518 | |
---|
| 519 | return format; |
---|
| 520 | } |
---|
| 521 | |
---|
[3147] | 522 | // ------------------------------------- |
---|
[3150] | 523 | // mixer ioctls: |
---|
| 524 | // ------------------------------------- |
---|
| 525 | |
---|
[3158] | 526 | static int _ioctl_mixer (struct handle * handle, long unsigned int req, void * vp) { |
---|
[3159] | 527 | mixer_info * info; |
---|
[3150] | 528 | int channels; |
---|
| 529 | struct roar_mixer_settings mixer; |
---|
[3155] | 530 | int o_w = 0; |
---|
[3150] | 531 | int o_sid = -1; |
---|
[3158] | 532 | int * ip = vp; |
---|
[3165] | 533 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
| 534 | char * name = NULL; |
---|
| 535 | #endif |
---|
[3150] | 536 | |
---|
[3165] | 537 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
[3150] | 538 | switch (req) { |
---|
| 539 | #if 0 |
---|
| 540 | case SNDCTL_MIX_DESCRIPTION: name = "SNDCTL_MIX_DESCRIPTION"; break; |
---|
| 541 | case SNDCTL_MIX_ENUMINFO: name = "SNDCTL_MIX_ENUMINFO"; break; |
---|
| 542 | case SNDCTL_MIX_EXTINFO: name = "SNDCTL_MIX_EXTINFO"; break; |
---|
| 543 | case SNDCTL_MIX_NREXT: name = "SNDCTL_MIX_NREXT"; break; |
---|
| 544 | case SNDCTL_MIX_NRMIX: name = "SNDCTL_MIX_NRMIX"; break; |
---|
| 545 | case SNDCTL_MIX_READ: name = "SNDCTL_MIX_READ"; break; |
---|
| 546 | case SNDCTL_MIX_WRITE: name = "SNDCTL_MIX_WRITE"; break; |
---|
| 547 | #endif |
---|
[3159] | 548 | // case SOUND_MIXER_INFO: name = "SOUND_MIXER_INFO"; break; |
---|
[3152] | 549 | case SOUND_OLD_MIXER_INFO: name = "SOUND_OLD_MIXER_INFO"; break; |
---|
| 550 | case SOUND_MIXER_ACCESS: name = "SOUND_MIXER_ACCESS"; break; |
---|
| 551 | case SOUND_MIXER_AGC: name = "SOUND_MIXER_AGC"; break; |
---|
| 552 | case SOUND_MIXER_3DSE: name = "SOUND_MIXER_3DSE"; break; |
---|
[3156] | 553 | case SOUND_MIXER_GETLEVELS: name = "SOUND_MIXER_GETLEVELS"; break; |
---|
| 554 | case SOUND_MIXER_SETLEVELS: name = "SOUND_MIXER_SETLEVELS"; break; |
---|
[3152] | 555 | case SOUND_MIXER_PRIVATE1: name = "SOUND_MIXER_PRIVATE1"; break; |
---|
| 556 | case SOUND_MIXER_PRIVATE2: name = "SOUND_MIXER_PRIVATE2"; break; |
---|
| 557 | case SOUND_MIXER_PRIVATE3: name = "SOUND_MIXER_PRIVATE3"; break; |
---|
| 558 | case SOUND_MIXER_PRIVATE4: name = "SOUND_MIXER_PRIVATE4"; break; |
---|
| 559 | case SOUND_MIXER_PRIVATE5: name = "SOUND_MIXER_PRIVATE5"; break; |
---|
| 560 | case OSS_GETVERSION: name = "OSS_GETVERSION"; break; |
---|
[3156] | 561 | // case SOUND_MIXER_READ_CAPS: name = "SOUND_MIXER_READ_CAPS"; break; |
---|
| 562 | case SOUND_MIXER_READ_MUTE: name = "SOUND_MIXER_READ_MUTE"; break; |
---|
[3152] | 563 | /* |
---|
| 564 | case : name = ""; break; |
---|
[3156] | 565 | case : name = ""; break; |
---|
[3152] | 566 | */ |
---|
[3150] | 567 | } |
---|
| 568 | if ( name != NULL ) { |
---|
| 569 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unspported mixer command %s", handle, req, ip, name); |
---|
| 570 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
| 571 | errno = ENOSYS; |
---|
| 572 | return -1; |
---|
| 573 | } |
---|
[3165] | 574 | #endif |
---|
[3150] | 575 | |
---|
| 576 | switch (req) { |
---|
| 577 | case SOUND_MIXER_READ_VOLUME: o_w = 0; o_sid = _mix_settings.sid.volume; break; |
---|
| 578 | case SOUND_MIXER_READ_LINE: o_w = 0; o_sid = _mix_settings.sid.line; break; |
---|
| 579 | case SOUND_MIXER_READ_LINE1: o_w = 0; o_sid = _mix_settings.sid.line1; break; |
---|
| 580 | case SOUND_MIXER_READ_LINE2: o_w = 0; o_sid = _mix_settings.sid.line2; break; |
---|
| 581 | case SOUND_MIXER_READ_LINE3: o_w = 0; o_sid = _mix_settings.sid.line3; break; |
---|
| 582 | #if 0 |
---|
| 583 | case SOUND_MIXER_READ_DIGITAL1: o_w = 0; o_sid = _mix_settings.sid.digital1; break; |
---|
| 584 | case SOUND_MIXER_READ_DIGITAL2: o_w = 0; o_sid = _mix_settings.sid.digital2; break; |
---|
| 585 | case SOUND_MIXER_READ_DIGITAL3: o_w = 0; o_sid = _mix_settings.sid.digital3; break; |
---|
| 586 | #endif |
---|
| 587 | case SOUND_MIXER_WRITE_VOLUME: o_w = 1; o_sid = _mix_settings.sid.volume; break; |
---|
| 588 | case SOUND_MIXER_WRITE_LINE: o_w = 1; o_sid = _mix_settings.sid.line; break; |
---|
| 589 | case SOUND_MIXER_WRITE_LINE1: o_w = 1; o_sid = _mix_settings.sid.line1; break; |
---|
| 590 | case SOUND_MIXER_WRITE_LINE2: o_w = 1; o_sid = _mix_settings.sid.line2; break; |
---|
| 591 | case SOUND_MIXER_WRITE_LINE3: o_w = 1; o_sid = _mix_settings.sid.line3; break; |
---|
| 592 | #if 0 |
---|
| 593 | case SOUND_MIXER_WRITE_DIGITAL1: o_w = 1; o_sid = _mix_settings.sid.digital1; break; |
---|
| 594 | case SOUND_MIXER_WRITE_DIGITAL2: o_w = 1; o_sid = _mix_settings.sid.digital2; break; |
---|
| 595 | case SOUND_MIXER_WRITE_DIGITAL3: o_w = 1; o_sid = _mix_settings.sid.digital3; break; |
---|
| 596 | #endif |
---|
[3177] | 597 | // we handle PCM seperatly as we want to be abled to abled to handle it on a stream (not mixer), too: |
---|
| 598 | case SOUND_MIXER_READ_PCM: |
---|
| 599 | o_w = 0; |
---|
| 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; |
---|
| 606 | case SOUND_MIXER_WRITE_PCM: |
---|
| 607 | o_w = 1; |
---|
| 608 | if ( handle->type == HT_STREAM ) { |
---|
| 609 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
| 610 | } else { |
---|
| 611 | o_sid = _mix_settings.sid.pcm; |
---|
| 612 | } |
---|
| 613 | break; |
---|
[3150] | 614 | } |
---|
| 615 | if ( o_sid != -1 ) { |
---|
| 616 | // set/get volume |
---|
| 617 | if ( o_w ) { |
---|
| 618 | mixer.scale = 65535; |
---|
[3153] | 619 | mixer.mixer[0] = ( *ip & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
| 620 | mixer.mixer[1] = ((*ip >> 8) & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
[3150] | 621 | if ( roar_set_vol(&(handle->session->con), o_sid, &mixer, 2) == -1 ) { |
---|
[3156] | 622 | errno = EIO; |
---|
[3150] | 623 | return -1; |
---|
| 624 | } |
---|
| 625 | return 0; |
---|
| 626 | } else { |
---|
| 627 | if ( roar_get_vol(&(handle->session->con), o_sid, &mixer, &channels) == -1 ) { |
---|
[3156] | 628 | errno = EIO; |
---|
[3150] | 629 | return -1; |
---|
| 630 | } |
---|
[3153] | 631 | *ip = ((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale) | (((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale)<<8); |
---|
[3150] | 632 | return 0; |
---|
| 633 | } |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | switch (req) { |
---|
[3155] | 637 | case SOUND_MIXER_READ_STEREODEVS: /* FIXME: check the streams for channel config */ |
---|
[3150] | 638 | case SOUND_MIXER_READ_DEVMASK: |
---|
| 639 | *ip = 0; |
---|
| 640 | |
---|
| 641 | if ( _mix_settings.sid.volume != -1 ) |
---|
| 642 | *ip |= SOUND_MASK_VOLUME; |
---|
| 643 | if ( _mix_settings.sid.pcm != -1 ) |
---|
| 644 | *ip |= SOUND_MASK_PCM; |
---|
| 645 | if ( _mix_settings.sid.line != -1 ) |
---|
| 646 | *ip |= SOUND_MASK_LINE; |
---|
| 647 | if ( _mix_settings.sid.line1 != -1 ) |
---|
| 648 | *ip |= SOUND_MASK_LINE1; |
---|
| 649 | if ( _mix_settings.sid.line2 != -1 ) |
---|
| 650 | *ip |= SOUND_MASK_LINE2; |
---|
| 651 | if ( _mix_settings.sid.line3 != -1 ) |
---|
| 652 | *ip |= SOUND_MASK_LINE3; |
---|
| 653 | if ( _mix_settings.sid.digital1 != -1 ) |
---|
[3156] | 654 | #if 0 |
---|
[3150] | 655 | *ip |= SOUND_MASK_DIGITAL1; |
---|
| 656 | if ( _mix_settings.sid.digital2 != -1 ) |
---|
| 657 | *ip |= SOUND_MASK_DIGITAL2; |
---|
| 658 | if ( _mix_settings.sid.digital3 != -1 ) |
---|
| 659 | *ip |= SOUND_MASK_DIGITAL3; |
---|
[3156] | 660 | #endif |
---|
[3150] | 661 | |
---|
| 662 | return 0; |
---|
| 663 | break; |
---|
[3153] | 664 | case SOUND_MIXER_READ_RECMASK: |
---|
[3154] | 665 | case SOUND_MIXER_READ_RECSRC: |
---|
[3153] | 666 | *ip = SOUND_MASK_VOLUME; // we can currently only read from mixer |
---|
| 667 | return 0; |
---|
| 668 | break; |
---|
[3154] | 669 | case SOUND_MIXER_WRITE_RECSRC: |
---|
| 670 | if ( *ip == SOUND_MASK_VOLUME ) { |
---|
| 671 | return 0; |
---|
| 672 | } else { |
---|
| 673 | errno = ENOTSUP; |
---|
| 674 | return -1; |
---|
| 675 | } |
---|
| 676 | break; |
---|
[3156] | 677 | case SOUND_MIXER_READ_CAPS: |
---|
| 678 | *ip = 0; |
---|
| 679 | return 0; |
---|
| 680 | break; |
---|
[3159] | 681 | case SOUND_MIXER_INFO: |
---|
| 682 | info = vp; |
---|
| 683 | memset(info, 0, sizeof(*info)); |
---|
| 684 | strcpy(info->id, "RoarAudio"); |
---|
| 685 | strcpy(info->name, "RoarAudio"); |
---|
| 686 | return 0; |
---|
| 687 | break; |
---|
[3150] | 688 | } |
---|
| 689 | |
---|
| 690 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unknown mixer CTL", handle, req, ip); |
---|
[3156] | 691 | // _os.ioctl(-1, req, ip); |
---|
[3150] | 692 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
| 693 | errno = ENOSYS; |
---|
| 694 | return -1; |
---|
| 695 | } |
---|
| 696 | |
---|
| 697 | // ------------------------------------- |
---|
[3178] | 698 | // buffer size calculation: |
---|
| 699 | // ------------------------------------- |
---|
| 700 | |
---|
| 701 | static size_t _get_stream_buffersize (struct handle * handle) { |
---|
| 702 | if ( handle->stream_buffersize ) |
---|
| 703 | return handle->stream_buffersize; |
---|
| 704 | |
---|
| 705 | return handle->stream_buffersize = handle->stream.info.rate * |
---|
| 706 | handle->stream.info.channels * |
---|
| 707 | handle->stream.info.bits / 800; |
---|
| 708 | } |
---|
| 709 | |
---|
| 710 | // ------------------------------------- |
---|
[3138] | 711 | // emulated functions follow: |
---|
| 712 | // ------------------------------------- |
---|
| 713 | |
---|
| 714 | int open(const char *pathname, int flags, ...) { |
---|
[3142] | 715 | int ret; |
---|
| 716 | mode_t mode = 0; |
---|
[3138] | 717 | va_list args; |
---|
| 718 | |
---|
| 719 | _init(); |
---|
| 720 | |
---|
[3142] | 721 | ret = _open_file(pathname, flags); |
---|
| 722 | |
---|
| 723 | switch (ret) { |
---|
| 724 | case -2: // continue as normal, use _op.open() |
---|
| 725 | break; |
---|
| 726 | case -1: // pass error to caller |
---|
| 727 | return -1; |
---|
| 728 | break; |
---|
| 729 | default: // return successfully opened pointer to caller |
---|
| 730 | return ret; |
---|
| 731 | break; |
---|
| 732 | } |
---|
| 733 | |
---|
[3138] | 734 | if (flags & O_CREAT) { |
---|
| 735 | va_start(args, flags); |
---|
| 736 | mode = va_arg(args, mode_t); |
---|
| 737 | va_end(args); |
---|
| 738 | } |
---|
| 739 | |
---|
| 740 | return _os.open(pathname, flags, mode); |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | int close(int fd) { |
---|
[3140] | 744 | struct pointer * pointer; |
---|
[3138] | 745 | _init(); |
---|
| 746 | |
---|
[3140] | 747 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 748 | _close_pointer(pointer); |
---|
| 749 | return 0; |
---|
| 750 | } |
---|
| 751 | |
---|
[3138] | 752 | return _os.close(fd); |
---|
| 753 | } |
---|
| 754 | |
---|
| 755 | ssize_t write(int fd, const void *buf, size_t count) { |
---|
[3140] | 756 | struct pointer * pointer; |
---|
[3178] | 757 | ssize_t ret; |
---|
[3140] | 758 | |
---|
[3138] | 759 | _init(); |
---|
| 760 | |
---|
[3140] | 761 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 762 | if ( pointer->handle->type == HT_STREAM ) { |
---|
| 763 | if ( pointer->handle->stream_opened == 0 ) { |
---|
| 764 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
| 765 | errno = EIO; |
---|
| 766 | return -1; |
---|
| 767 | } |
---|
| 768 | } |
---|
[3178] | 769 | ret = roar_vio_write(&(pointer->handle->stream_vio), (char*)buf, count); |
---|
| 770 | if ( ret > 0 ) |
---|
| 771 | pointer->handle->writec += ret; |
---|
| 772 | return ret; |
---|
[3140] | 773 | } else { |
---|
| 774 | errno = EINVAL; |
---|
| 775 | return -1; |
---|
| 776 | } |
---|
| 777 | } |
---|
| 778 | |
---|
[3138] | 779 | return _os.write(fd, buf, count); |
---|
| 780 | } |
---|
| 781 | |
---|
| 782 | ssize_t read(int fd, void *buf, size_t count) { |
---|
[3140] | 783 | struct pointer * pointer; |
---|
[3178] | 784 | ssize_t ret; |
---|
[3140] | 785 | |
---|
[3138] | 786 | _init(); |
---|
| 787 | |
---|
[3140] | 788 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
| 789 | if ( pointer->handle->type == HT_STREAM ) { |
---|
| 790 | if ( pointer->handle->stream_opened == 0 ) { |
---|
| 791 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
| 792 | errno = EIO; |
---|
| 793 | return -1; |
---|
| 794 | } |
---|
| 795 | } |
---|
[3178] | 796 | ret = roar_vio_read(&(pointer->handle->stream_vio), buf, count); |
---|
| 797 | if ( ret > 0 ) |
---|
| 798 | pointer->handle->writec += ret; |
---|
| 799 | return ret; |
---|
[3140] | 800 | } else { |
---|
| 801 | errno = EINVAL; |
---|
| 802 | return -1; |
---|
| 803 | } |
---|
| 804 | } |
---|
| 805 | |
---|
[3138] | 806 | return _os.read(fd, buf, count); |
---|
| 807 | } |
---|
| 808 | |
---|
[3169] | 809 | IOCTL() { |
---|
| 810 | map_args; |
---|
[3147] | 811 | struct pointer * pointer; |
---|
| 812 | struct handle * handle; |
---|
[3169] | 813 | int * ip = NULL; |
---|
[3176] | 814 | audio_buf_info * bi; |
---|
[3178] | 815 | count_info * ci; |
---|
[3169] | 816 | #ifdef va_argp |
---|
[3146] | 817 | va_list args; |
---|
[3169] | 818 | #endif |
---|
[3146] | 819 | |
---|
| 820 | _init(); |
---|
| 821 | |
---|
[3150] | 822 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu) = ?", __fd, (long unsigned int) __request); |
---|
[3148] | 823 | |
---|
[3169] | 824 | #ifdef va_argp |
---|
[3180] | 825 | va_start (args, ioctl_lastarg); |
---|
[3146] | 826 | argp = va_arg (args, void *); |
---|
| 827 | va_end (args); |
---|
[3169] | 828 | #endif |
---|
[3146] | 829 | |
---|
[3150] | 830 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): argp=%p", __fd, (long unsigned int) __request, argp); |
---|
[3148] | 831 | |
---|
[3147] | 832 | if ( (pointer = _get_pointer_by_fh(__fd)) != NULL ) { |
---|
[3148] | 833 | ip = argp; |
---|
[3150] | 834 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
[3147] | 835 | switch ((handle = pointer->handle)->type) { |
---|
| 836 | case HT_STREAM: |
---|
| 837 | switch (__request) { |
---|
| 838 | case SNDCTL_DSP_RESET: |
---|
| 839 | case SNDCTL_DSP_POST: |
---|
[3162] | 840 | case SNDCTL_DSP_SETFRAGMENT: // any fragments should be ok for us... |
---|
[3175] | 841 | return 0; |
---|
[3147] | 842 | break; |
---|
| 843 | case SNDCTL_DSP_SPEED: |
---|
| 844 | handle->stream.info.rate = *ip; |
---|
| 845 | return 0; |
---|
| 846 | break; |
---|
| 847 | case SNDCTL_DSP_CHANNELS: |
---|
| 848 | handle->stream.info.channels = *ip; |
---|
| 849 | return 0; |
---|
| 850 | break; |
---|
[3160] | 851 | case SNDCTL_DSP_STEREO: |
---|
| 852 | handle->stream.info.channels = *ip ? 2 : 1; |
---|
| 853 | return 0; |
---|
| 854 | break; |
---|
[3161] | 855 | case SNDCTL_DSP_GETBLKSIZE: |
---|
[3178] | 856 | *ip = _get_stream_buffersize(handle); |
---|
[3161] | 857 | return 0; |
---|
| 858 | break; |
---|
[3147] | 859 | case SNDCTL_DSP_SETFMT: |
---|
| 860 | return _ioctl_stream_format(handle, *ip); |
---|
| 861 | break; |
---|
[3148] | 862 | case SNDCTL_DSP_GETFMTS: |
---|
[3150] | 863 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
[3149] | 864 | *ip = _ioctl_stream_format_list(); |
---|
[3148] | 865 | return 0; |
---|
| 866 | break; |
---|
[3176] | 867 | case SNDCTL_DSP_GETOSPACE: |
---|
| 868 | case SNDCTL_DSP_GETISPACE: |
---|
| 869 | bi = argp; |
---|
| 870 | memset(bi, 0, sizeof(*bi)); |
---|
[3178] | 871 | bi->bytes = _get_stream_buffersize(handle); |
---|
[3176] | 872 | bi->fragments = 1; |
---|
| 873 | bi->fragsize = bi->bytes; |
---|
| 874 | bi->fragstotal = 1; |
---|
| 875 | return 0; |
---|
| 876 | break; |
---|
[3178] | 877 | case SNDCTL_DSP_GETOPTR: |
---|
| 878 | ci = argp; |
---|
| 879 | memset(ci, 0, sizeof(*ci)); |
---|
| 880 | ci->bytes = handle->writec; |
---|
| 881 | ci->blocks = ci->bytes / _get_stream_buffersize(handle); |
---|
| 882 | ci->ptr = 0; |
---|
| 883 | return 0; |
---|
| 884 | break; |
---|
| 885 | case SNDCTL_DSP_GETIPTR: |
---|
| 886 | ci = argp; |
---|
| 887 | memset(ci, 0, sizeof(*ci)); |
---|
| 888 | ci->bytes = handle->readc; |
---|
| 889 | ci->blocks = ci->bytes / _get_stream_buffersize(handle); |
---|
| 890 | ci->ptr = 0; |
---|
| 891 | return 0; |
---|
| 892 | break; |
---|
[3177] | 893 | #ifdef SNDCTL_DSP_GETPLAYVOL |
---|
| 894 | case SNDCTL_DSP_GETPLAYVOL: |
---|
| 895 | return _ioctl_mixer(handle, SOUND_MIXER_READ_PCM, argp); |
---|
| 896 | break; |
---|
| 897 | #endif |
---|
| 898 | #ifdef SNDCTL_DSP_SETPLAYVOL |
---|
| 899 | case SNDCTL_DSP_SETPLAYVOL: |
---|
| 900 | return _ioctl_mixer(handle, SOUND_MIXER_WRITE_PCM, argp); |
---|
| 901 | break; |
---|
| 902 | #endif |
---|
[3147] | 903 | default: |
---|
[3148] | 904 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
[3147] | 905 | errno = ENOSYS; |
---|
| 906 | return -1; |
---|
| 907 | } |
---|
| 908 | break; |
---|
| 909 | case HT_MIXER: |
---|
[3158] | 910 | return _ioctl_mixer(handle, __request, argp); |
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[3147] | 911 | break; |
---|
| 912 | default: |
---|
[3150] | 913 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): unknown handle type: no ioctl()s supported", __fd, (long unsigned int) __request); |
---|
| 914 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
[3147] | 915 | errno = EINVAL; |
---|
| 916 | return -1; |
---|
| 917 | break; |
---|
| 918 | } |
---|
| 919 | } |
---|
| 920 | |
---|
[3166] | 921 | #ifdef IOCTL_IS_ALIAS |
---|
| 922 | errno = ENOSYS; |
---|
| 923 | return -1; |
---|
| 924 | #else |
---|
[3146] | 925 | return _os.ioctl(__fd, __request, argp); |
---|
[3166] | 926 | #endif |
---|
[3146] | 927 | } |
---|
| 928 | |
---|
[3138] | 929 | #endif |
---|
| 930 | |
---|
| 931 | //ll |
---|