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 | #include "libroarlight/libroarlight.h" |
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37 | |
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38 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
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39 | #if defined(__OpenBSD__) || defined(__NetBSD__) |
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40 | #include <soundcard.h> |
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41 | #else |
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42 | #include <sys/soundcard.h> |
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43 | #endif |
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44 | #include <sys/ioctl.h> |
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45 | |
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46 | #ifdef ROAR_HAVE_H_SYS_TYPES |
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47 | #include <sys/types.h> |
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48 | #endif |
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49 | |
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50 | #ifdef ROAR_HAVE_H_FCNTL |
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51 | #include <fcntl.h> |
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52 | #endif |
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53 | |
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54 | #ifdef ROAR_HAVE_H_UNISTD |
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55 | #include <unistd.h> |
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56 | #endif |
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57 | |
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58 | #include <sys/stat.h> |
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59 | #include <dlfcn.h> |
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60 | |
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61 | #if defined(RTLD_NEXT) |
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62 | #define REAL_LIBC RTLD_NEXT |
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63 | #else |
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64 | #define REAL_LIBC ((void *) -1L) |
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65 | #endif |
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66 | |
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67 | #ifndef ENOTSUP |
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68 | #define ENOTSUP ENOSYS |
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69 | #endif |
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70 | |
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71 | #if defined(ROAR_OS_NETBSD) && defined(ioctl) |
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72 | #define IOCTL_IS_ALIAS |
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73 | #endif |
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74 | |
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75 | #ifdef ROAR_OS_FREEBSD |
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76 | #define mode_t int |
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77 | #endif |
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78 | |
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79 | #ifdef ROAR_OS_NETBSD |
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80 | #define IOCTL() int _oss_ioctl __P((int fd, unsigned long com, void *argp)) |
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81 | #define map_args int __fd = fd; unsigned long int __request = com |
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82 | #elif defined(ROAR_TARGET_CYGWIN) |
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83 | #define IOCTL() int ioctl (int __fd, int __cmd, ...) |
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84 | #define map_args unsigned long int __request = __cmd; void * argp |
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85 | #define va_argp |
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86 | #define ioctl_lastarg __cmd |
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87 | #else |
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88 | #define IOCTL() int ioctl (int __fd, unsigned long int __request, ...) |
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89 | #define map_args void * argp |
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90 | #define va_argp |
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91 | #define ioctl_lastarg __request |
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92 | #endif |
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93 | |
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94 | #define OSS_VOLUME_SCALE 100 |
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95 | |
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96 | #define _MAX_POINTER 8 |
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97 | |
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98 | // handle type: |
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99 | #define HT_NONE 0 |
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100 | #define HT_STREAM 1 |
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101 | #define HT_MIXER 2 |
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102 | #define HT_WAVEFORM 3 |
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103 | #define HT_MIDI 4 |
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104 | #define HT_DMX 5 |
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105 | |
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106 | struct session { |
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107 | int refc; |
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108 | struct roar_connection con; |
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109 | }; |
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110 | |
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111 | static struct session _session = {.refc = 0}; |
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112 | |
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113 | struct handle { |
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114 | int refc; // refrence counter |
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115 | struct session * session; |
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116 | int type; |
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117 | struct roar_stream stream; |
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118 | struct roar_vio_calls stream_vio; |
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119 | int stream_dir; |
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120 | int stream_opened; |
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121 | size_t stream_buffersize; |
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122 | size_t readc, writec; |
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123 | size_t pos; |
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124 | }; |
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125 | |
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126 | static struct { |
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127 | int (*open)(const char *pathname, int flags, mode_t mode); |
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128 | int (*close)(int fd); |
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129 | ssize_t (*write)(int fd, const void *buf, size_t count); |
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130 | ssize_t (*read)(int fd, void *buf, size_t count); |
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131 | #ifndef IOCTL_IS_ALIAS |
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132 | int (*ioctl)(int d, int request, ...); |
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133 | #endif |
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134 | off_t (*lseek)(int fildes, off_t offset, int whence); |
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135 | FILE *(*fopen)(const char *path, const char *mode); |
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136 | } _os; |
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137 | |
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138 | static struct { |
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139 | struct { |
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140 | int volume; |
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141 | int pcm; |
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142 | int line; |
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143 | int line1; |
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144 | int line2; |
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145 | int line3; |
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146 | int digital1; |
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147 | int digital2; |
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148 | int digital3; |
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149 | } sid; |
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150 | } _mix_settings = { |
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151 | .sid = { |
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152 | .volume = -1, |
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153 | .pcm = -1, |
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154 | .line = 0, |
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155 | .line1 = 1, |
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156 | .line2 = 2, |
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157 | .line3 = 3, |
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158 | .digital1 = 1, |
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159 | .digital2 = 2, |
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160 | .digital3 = 3 |
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161 | } |
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162 | }; |
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163 | |
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164 | static struct pointer { |
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165 | int fh; |
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166 | struct handle * handle; |
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167 | } _ptr[_MAX_POINTER]; |
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168 | |
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169 | static void _init_os (void) { |
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170 | memset(&_os, 0, sizeof(_os)); |
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171 | |
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172 | _os.open = dlsym(REAL_LIBC, "open"); |
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173 | _os.close = dlsym(REAL_LIBC, "close"); |
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174 | _os.write = dlsym(REAL_LIBC, "write"); |
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175 | _os.read = dlsym(REAL_LIBC, "read"); |
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176 | #ifndef IOCTL_IS_ALIAS |
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177 | _os.ioctl = dlsym(REAL_LIBC, "ioctl"); |
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178 | #endif |
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179 | _os.lseek = dlsym(REAL_LIBC, "lseek"); |
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180 | _os.fopen = dlsym(REAL_LIBC, "fopen"); |
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181 | } |
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182 | |
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183 | static void _init_ptr (void) { |
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184 | int i; |
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185 | |
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186 | for (i = 0; i < _MAX_POINTER; i++) { |
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187 | _ptr[i].fh = -1; |
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188 | } |
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189 | } |
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190 | |
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191 | static void _init (void) { |
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192 | static int inited = 0; |
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193 | |
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194 | if ( !inited ) { |
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195 | _init_os(); |
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196 | _init_ptr(); |
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197 | inited++; |
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198 | } |
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199 | } |
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200 | |
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201 | static void _find_volume_sid (struct session * session) { |
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202 | int i; |
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203 | int num; |
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204 | int id[ROAR_STREAMS_MAX]; |
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205 | struct roar_stream s; |
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206 | char name[1024]; |
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207 | |
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208 | ROAR_DBG("_find_volume_sid(session=%p) = ?", session); |
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209 | |
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210 | if ( (num = roar_list_streams(&(session->con), id, ROAR_STREAMS_MAX)) == -1 ) { |
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211 | return; |
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212 | } |
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213 | |
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214 | for (i = 0; i < num; i++) { |
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215 | if ( roar_get_stream(&(session->con), &s, id[i]) == -1 ) |
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216 | continue; |
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217 | |
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218 | if ( s.dir != ROAR_DIR_MIXING ) |
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219 | continue; |
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220 | |
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221 | if ( roar_stream_get_name(&(session->con), &s, name, 1024) == -1 ) |
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222 | continue; |
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223 | |
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224 | if ( !strcasecmp(name, "Waveform Mixer") ) { |
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225 | _mix_settings.sid.volume = id[i]; |
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226 | ROAR_DBG("_find_volume_sid(session=%p): found waveform mixer at sid %i", session, id[i]); |
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227 | ROAR_DBG("_find_volume_sid(session=%p) = (void)", session); |
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228 | return; |
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229 | } |
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230 | } |
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231 | } |
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232 | |
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233 | static int _open_dummy (void) { |
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234 | int p[2]; |
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235 | |
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236 | if ( pipe(p) == -1 ) |
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237 | return -1; |
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238 | |
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239 | close(p[1]); |
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240 | |
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241 | return p[0]; |
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242 | } |
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243 | |
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244 | static struct session * _open_session (char * server, char * name) { |
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245 | ROAR_DBG("_open_session(server='%s', name='%s') = ?", server, name); |
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246 | ROAR_DBG("_open_session(server='%s', name='%s'): _session.refc=%i", server, name, _session.refc); |
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247 | |
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248 | if ( _session.refc == 0 ) { |
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249 | |
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250 | if ( name == NULL ) |
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251 | name = getenv("ROAR_OSS_CLIENT_NAME"); |
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252 | |
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253 | if ( name == NULL ) |
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254 | name = "libroaross client"; |
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255 | |
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256 | if ( roar_simple_connect(&(_session.con), server, name) == -1 ) |
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257 | return NULL; |
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258 | |
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259 | _find_volume_sid(&_session); |
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260 | |
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261 | if ( getenv("ROAR_OSS_KEEP_SESSION") != NULL ) |
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262 | _session.refc++; |
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263 | } |
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264 | |
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265 | _session.refc++; |
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266 | |
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267 | ROAR_DBG("_open_session(server='%s', name='%s') = %p", server, name, &_session); |
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268 | return &_session; |
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269 | } |
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270 | |
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271 | static void _close_session(struct session * session) { |
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272 | if ( session == NULL ) |
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273 | return; |
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274 | |
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275 | session->refc--; |
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276 | |
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277 | ROAR_DBG("_close_session(session=%p): session->refc=%i", session, session->refc); |
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278 | |
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279 | if ( session->refc == 0 ) { |
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280 | roar_disconnect(&(session->con)); |
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281 | } |
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282 | } |
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283 | |
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284 | static struct handle * _open_handle(struct session * session) { |
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285 | struct handle * handle; |
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286 | |
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287 | ROAR_DBG("_open_handle(session=%p) = ?", session); |
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288 | |
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289 | if ( (handle = roar_mm_malloc(sizeof(struct handle))) == NULL ) |
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290 | return NULL; |
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291 | |
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292 | memset(handle, 0, sizeof(struct handle)); |
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293 | |
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294 | handle->refc = 1; |
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295 | handle->session = session; |
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296 | session->refc++; // TODO: better warp this |
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297 | handle->type = HT_NONE; |
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298 | handle->stream_dir = ROAR_DIR_PLAY; |
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299 | roar_stream_new(&(handle->stream), ROAR_RATE_DEFAULT, ROAR_CHANNELS_DEFAULT, ROAR_BITS_DEFAULT, ROAR_CODEC_DEFAULT); |
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300 | |
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301 | ROAR_DBG("_open_handle(session=%p) = %p", session, handle); |
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302 | return handle; |
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303 | } |
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304 | |
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305 | static void _close_handle(struct handle * handle) { |
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306 | if (handle == NULL) |
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307 | return; |
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308 | |
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309 | handle->refc--; |
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310 | |
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311 | ROAR_DBG("_close_handle(handle=%p): handle->refc=%i", handle, handle->refc); |
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312 | |
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313 | if ( handle->refc == 0 ) { |
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314 | if ( handle->stream_opened ) |
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315 | roar_vio_close(&(handle->stream_vio)); |
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316 | |
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317 | handle->session->refc--; |
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318 | |
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319 | _close_session(handle->session); |
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320 | |
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321 | roar_mm_free(handle); |
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322 | } |
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323 | } |
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324 | |
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325 | static struct pointer * _get_pointer_by_fh (int fh) { |
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326 | int i; |
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327 | |
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328 | for (i = 0; i < _MAX_POINTER; i++) { |
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329 | if ( _ptr[i].fh == fh ) |
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330 | return &(_ptr[i]); |
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331 | } |
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332 | |
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333 | return NULL; |
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334 | } |
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335 | |
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336 | static struct pointer * _open_pointer(struct handle * handle) { |
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337 | struct pointer * ret = _get_pointer_by_fh(-1); |
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338 | |
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339 | if ( ret == NULL ) |
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340 | return NULL; |
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341 | |
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342 | if ( (ret->fh = _open_dummy()) == -1 ) |
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343 | return NULL; |
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344 | |
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345 | ret->handle = handle; |
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346 | |
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347 | return ret; |
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348 | } |
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349 | |
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350 | static void _close_pointer(struct pointer * pointer) { |
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351 | if ( pointer == NULL ) |
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352 | return; |
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353 | |
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354 | _os.close(pointer->fh); |
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355 | |
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356 | pointer->fh = -1; |
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357 | |
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358 | _close_handle(pointer->handle); |
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359 | } |
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360 | |
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361 | // ------------------------------------- |
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362 | // central open function: |
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363 | // ------------------------------------- |
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364 | |
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365 | static int _open_file (const char *pathname, int flags) { |
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366 | struct session * session; |
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367 | struct handle * handle; |
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368 | struct pointer * pointer; |
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369 | struct { |
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370 | char * prefix; |
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371 | int type; |
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372 | } * ptr = NULL, p[] = { |
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373 | {"/dev/dsp", HT_WAVEFORM}, |
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374 | {"/dev/audio", HT_WAVEFORM}, |
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375 | {"/dev/sound/dsp", HT_WAVEFORM}, |
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376 | {"/dev/sound/audio", HT_WAVEFORM}, |
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377 | {"/dev/mixer", HT_MIXER}, |
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378 | {"/dev/sound/mixer", HT_MIXER}, |
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379 | {"/dev/midi", HT_MIDI}, |
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380 | {"/dev/rmidi", HT_MIDI}, |
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381 | {"/dev/sound/midi", HT_MIDI}, |
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382 | {"/dev/sound/rmidi", HT_MIDI}, |
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383 | {"/dev/dmx", HT_DMX}, |
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384 | {"/dev/misc/dmx", HT_DMX}, |
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385 | {"/dev/dmxin", HT_DMX}, |
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386 | {"/dev/misc/dmxin", HT_DMX}, |
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387 | #ifdef ROAR_DEFAULT_OSS_DEV |
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388 | {ROAR_DEFAULT_OSS_DEV, HT_WAVEFORM}, |
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389 | #endif |
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390 | {NULL, HT_NONE}, |
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391 | }; |
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392 | int i; |
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393 | |
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394 | for (i = 0; p[i].prefix != NULL; i++) { |
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395 | if ( !strcmp(pathname, p[i].prefix) ) { |
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396 | ptr = &(p[i]); |
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397 | } |
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398 | } |
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399 | |
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400 | if ( ptr == NULL ) |
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401 | return -2; |
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402 | |
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403 | if ( (session = _open_session(NULL, NULL)) == NULL ) { |
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404 | return -1; |
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405 | } |
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406 | |
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407 | if ( (handle = _open_handle(session)) == NULL ) { |
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408 | _close_session(session); |
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409 | return -1; |
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410 | } |
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411 | |
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412 | handle->type = ptr->type; |
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413 | handle->stream_dir = -1; |
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414 | |
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415 | switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) { |
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416 | case O_RDONLY: |
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417 | switch (ptr->type) { |
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418 | case HT_WAVEFORM: |
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419 | handle->stream_dir = ROAR_DIR_MONITOR; |
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420 | break; |
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421 | case HT_MIDI: |
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422 | handle->stream_dir = ROAR_DIR_MIDI_OUT; |
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423 | break; |
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424 | case HT_DMX: |
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425 | handle->stream_dir = ROAR_DIR_LIGHT_OUT; |
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426 | break; |
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427 | default: |
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428 | return -1; |
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429 | } |
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430 | break; |
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431 | case O_WRONLY: |
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432 | switch (ptr->type) { |
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433 | case HT_WAVEFORM: |
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434 | handle->stream_dir = ROAR_DIR_PLAY; |
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435 | break; |
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436 | case HT_MIDI: |
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437 | handle->stream_dir = ROAR_DIR_MIDI_IN; |
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438 | break; |
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439 | case HT_DMX: |
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440 | handle->stream_dir = ROAR_DIR_LIGHT_IN; |
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441 | break; |
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442 | default: |
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443 | return -1; |
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444 | } |
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445 | break; |
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446 | case O_RDWR: |
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447 | switch (ptr->type) { |
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448 | case HT_WAVEFORM: |
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449 | handle->stream_dir = ROAR_DIR_BIDIR; |
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450 | break; |
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451 | default: |
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452 | return -1; |
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453 | } |
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454 | break; |
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455 | } |
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456 | |
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457 | switch (handle->type) { |
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458 | case HT_WAVEFORM: |
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459 | handle->type = HT_STREAM; |
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460 | break; |
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461 | case HT_MIDI: |
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462 | handle->type = HT_STREAM; |
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463 | handle->stream.info.rate = 0; |
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464 | handle->stream.info.bits = ROAR_MIDI_BITS; |
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465 | handle->stream.info.channels = ROAR_MIDI_CHANNELS_DEFAULT; |
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466 | handle->stream.info.codec = ROAR_CODEC_MIDI; |
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467 | break; |
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468 | case HT_DMX: |
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469 | handle->stream.info.rate = 0; |
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470 | handle->stream.info.bits = ROAR_LIGHT_BITS; |
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471 | handle->stream.info.channels = 512; |
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472 | handle->stream.info.codec = ROAR_CODEC_ROARDMX; |
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473 | break; |
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474 | } |
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475 | |
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476 | if ( (pointer = _open_pointer(handle)) == NULL ) { |
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477 | _close_handle(handle); |
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478 | return -1; |
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479 | } |
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480 | |
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481 | return pointer->fh; |
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482 | } |
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483 | |
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484 | // ------------------------------------- |
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485 | // open function for streams: |
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486 | // ------------------------------------- |
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487 | |
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488 | static int _open_stream (struct handle * handle) { |
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489 | // FIXME: this should be re-written much more cleanly: |
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490 | |
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491 | if ( handle == NULL ) |
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492 | return -1; |
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493 | |
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494 | if ( roar_vio_simple_new_stream_obj(&(handle->stream_vio), |
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495 | &(handle->session->con), &(handle->stream), |
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496 | handle->stream.info.rate, |
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497 | handle->stream.info.channels, |
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498 | handle->stream.info.bits, |
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499 | handle->stream.info.codec, |
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500 | handle->stream_dir |
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501 | ) == -1 ) |
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502 | return -1; |
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503 | |
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504 | handle->stream_opened++; |
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505 | |
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506 | _mix_settings.sid.pcm = roar_stream_get_id(&(handle->stream)); |
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507 | |
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508 | return 0; |
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509 | } |
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510 | |
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511 | // ------------------------------------- |
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512 | // function to parse format: |
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513 | // ------------------------------------- |
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514 | |
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515 | static int _ioctl_stream_format (struct handle * handle, int format) { |
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516 | struct roar_audio_info * info = &(handle->stream.info); |
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517 | |
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518 | switch (format) { |
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519 | case AFMT_S8: |
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520 | info->bits = 8; |
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521 | info->codec = ROAR_CODEC_PCM_S_LE; |
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522 | break; |
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523 | case AFMT_U8: |
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524 | info->bits = 8; |
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525 | info->codec = ROAR_CODEC_PCM_U_LE; |
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526 | break; |
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527 | case AFMT_S16_BE: |
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528 | info->bits = 16; |
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529 | info->codec = ROAR_CODEC_PCM_S_BE; |
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530 | break; |
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531 | case AFMT_S16_LE: |
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532 | info->bits = 16; |
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533 | info->codec = ROAR_CODEC_PCM_S_LE; |
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534 | break; |
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535 | case AFMT_U16_BE: |
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536 | info->bits = 16; |
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537 | info->codec = ROAR_CODEC_PCM_U_BE; |
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538 | break; |
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539 | case AFMT_U16_LE: |
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540 | info->bits = 16; |
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541 | info->codec = ROAR_CODEC_PCM_U_LE; |
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542 | break; |
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543 | #ifdef AFMT_S32_BE |
---|
544 | case AFMT_S32_BE: |
---|
545 | info->bits = 32; |
---|
546 | info->codec = ROAR_CODEC_PCM_S_BE; |
---|
547 | break; |
---|
548 | #endif |
---|
549 | #ifdef AFMT_S32_LE |
---|
550 | case AFMT_S32_LE: |
---|
551 | info->bits = 32; |
---|
552 | info->codec = ROAR_CODEC_PCM_S_LE; |
---|
553 | break; |
---|
554 | #endif |
---|
555 | case AFMT_A_LAW: |
---|
556 | info->bits = 8; |
---|
557 | info->codec = ROAR_CODEC_ALAW; |
---|
558 | break; |
---|
559 | case AFMT_MU_LAW: |
---|
560 | info->bits = 8; |
---|
561 | info->codec = ROAR_CODEC_MULAW; |
---|
562 | break; |
---|
563 | #ifdef AFMT_VORBIS |
---|
564 | case AFMT_VORBIS: |
---|
565 | info->codec = ROAR_CODEC_OGG_VORBIS; |
---|
566 | break; |
---|
567 | #endif |
---|
568 | default: |
---|
569 | ROAR_DBG("_ioctl_stream_format(*): unsupported format"); |
---|
570 | errno = ENOSYS; |
---|
571 | return -1; |
---|
572 | break; |
---|
573 | } |
---|
574 | |
---|
575 | return 0; |
---|
576 | } |
---|
577 | |
---|
578 | static inline int _ioctl_stream_format_list (void) { |
---|
579 | int format = 0; |
---|
580 | |
---|
581 | format |= AFMT_S8; |
---|
582 | format |= AFMT_U8; |
---|
583 | |
---|
584 | format |= AFMT_S16_BE; |
---|
585 | format |= AFMT_S16_LE; |
---|
586 | |
---|
587 | format |= AFMT_U16_BE; |
---|
588 | format |= AFMT_U16_LE; |
---|
589 | |
---|
590 | #ifdef AFMT_S32_BE |
---|
591 | format |= AFMT_S32_BE; |
---|
592 | #endif |
---|
593 | #ifdef AFMT_S32_LE |
---|
594 | format |= AFMT_S32_LE; |
---|
595 | #endif |
---|
596 | |
---|
597 | format |= AFMT_A_LAW; |
---|
598 | format |= AFMT_MU_LAW; |
---|
599 | |
---|
600 | #ifdef AFMT_VORBIS |
---|
601 | format |= AFMT_VORBIS; |
---|
602 | #endif |
---|
603 | |
---|
604 | return format; |
---|
605 | } |
---|
606 | |
---|
607 | // ------------------------------------- |
---|
608 | // mixer ioctls: |
---|
609 | // ------------------------------------- |
---|
610 | |
---|
611 | static int _ioctl_mixer (struct handle * handle, long unsigned int req, void * vp) { |
---|
612 | mixer_info * info; |
---|
613 | int channels; |
---|
614 | struct roar_mixer_settings mixer; |
---|
615 | int o_w = 0; |
---|
616 | int o_sid = -1; |
---|
617 | int * ip = vp; |
---|
618 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
619 | char * name = NULL; |
---|
620 | #endif |
---|
621 | |
---|
622 | #if defined(DEBUG) && defined(DEBUG_IOCTL_NAMES) |
---|
623 | switch (req) { |
---|
624 | #if 0 |
---|
625 | case SNDCTL_MIX_DESCRIPTION: name = "SNDCTL_MIX_DESCRIPTION"; break; |
---|
626 | case SNDCTL_MIX_ENUMINFO: name = "SNDCTL_MIX_ENUMINFO"; break; |
---|
627 | case SNDCTL_MIX_EXTINFO: name = "SNDCTL_MIX_EXTINFO"; break; |
---|
628 | case SNDCTL_MIX_NREXT: name = "SNDCTL_MIX_NREXT"; break; |
---|
629 | case SNDCTL_MIX_NRMIX: name = "SNDCTL_MIX_NRMIX"; break; |
---|
630 | case SNDCTL_MIX_READ: name = "SNDCTL_MIX_READ"; break; |
---|
631 | case SNDCTL_MIX_WRITE: name = "SNDCTL_MIX_WRITE"; break; |
---|
632 | #endif |
---|
633 | // case SOUND_MIXER_INFO: name = "SOUND_MIXER_INFO"; break; |
---|
634 | case SOUND_OLD_MIXER_INFO: name = "SOUND_OLD_MIXER_INFO"; break; |
---|
635 | case SOUND_MIXER_ACCESS: name = "SOUND_MIXER_ACCESS"; break; |
---|
636 | case SOUND_MIXER_AGC: name = "SOUND_MIXER_AGC"; break; |
---|
637 | case SOUND_MIXER_3DSE: name = "SOUND_MIXER_3DSE"; break; |
---|
638 | case SOUND_MIXER_GETLEVELS: name = "SOUND_MIXER_GETLEVELS"; break; |
---|
639 | case SOUND_MIXER_SETLEVELS: name = "SOUND_MIXER_SETLEVELS"; break; |
---|
640 | case SOUND_MIXER_PRIVATE1: name = "SOUND_MIXER_PRIVATE1"; break; |
---|
641 | case SOUND_MIXER_PRIVATE2: name = "SOUND_MIXER_PRIVATE2"; break; |
---|
642 | case SOUND_MIXER_PRIVATE3: name = "SOUND_MIXER_PRIVATE3"; break; |
---|
643 | case SOUND_MIXER_PRIVATE4: name = "SOUND_MIXER_PRIVATE4"; break; |
---|
644 | case SOUND_MIXER_PRIVATE5: name = "SOUND_MIXER_PRIVATE5"; break; |
---|
645 | case OSS_GETVERSION: name = "OSS_GETVERSION"; break; |
---|
646 | // case SOUND_MIXER_READ_CAPS: name = "SOUND_MIXER_READ_CAPS"; break; |
---|
647 | case SOUND_MIXER_READ_MUTE: name = "SOUND_MIXER_READ_MUTE"; break; |
---|
648 | /* |
---|
649 | case : name = ""; break; |
---|
650 | case : name = ""; break; |
---|
651 | */ |
---|
652 | } |
---|
653 | if ( name != NULL ) { |
---|
654 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unspported mixer command %s", handle, req, ip, name); |
---|
655 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
656 | errno = ENOSYS; |
---|
657 | return -1; |
---|
658 | } |
---|
659 | #endif |
---|
660 | |
---|
661 | switch (req) { |
---|
662 | case SOUND_MIXER_READ_VOLUME: o_w = 0; o_sid = _mix_settings.sid.volume; break; |
---|
663 | case SOUND_MIXER_READ_LINE: o_w = 0; o_sid = _mix_settings.sid.line; break; |
---|
664 | case SOUND_MIXER_READ_LINE1: o_w = 0; o_sid = _mix_settings.sid.line1; break; |
---|
665 | case SOUND_MIXER_READ_LINE2: o_w = 0; o_sid = _mix_settings.sid.line2; break; |
---|
666 | case SOUND_MIXER_READ_LINE3: o_w = 0; o_sid = _mix_settings.sid.line3; break; |
---|
667 | #if 0 |
---|
668 | case SOUND_MIXER_READ_DIGITAL1: o_w = 0; o_sid = _mix_settings.sid.digital1; break; |
---|
669 | case SOUND_MIXER_READ_DIGITAL2: o_w = 0; o_sid = _mix_settings.sid.digital2; break; |
---|
670 | case SOUND_MIXER_READ_DIGITAL3: o_w = 0; o_sid = _mix_settings.sid.digital3; break; |
---|
671 | #endif |
---|
672 | case SOUND_MIXER_WRITE_VOLUME: o_w = 1; o_sid = _mix_settings.sid.volume; break; |
---|
673 | case SOUND_MIXER_WRITE_LINE: o_w = 1; o_sid = _mix_settings.sid.line; break; |
---|
674 | case SOUND_MIXER_WRITE_LINE1: o_w = 1; o_sid = _mix_settings.sid.line1; break; |
---|
675 | case SOUND_MIXER_WRITE_LINE2: o_w = 1; o_sid = _mix_settings.sid.line2; break; |
---|
676 | case SOUND_MIXER_WRITE_LINE3: o_w = 1; o_sid = _mix_settings.sid.line3; break; |
---|
677 | #if 0 |
---|
678 | case SOUND_MIXER_WRITE_DIGITAL1: o_w = 1; o_sid = _mix_settings.sid.digital1; break; |
---|
679 | case SOUND_MIXER_WRITE_DIGITAL2: o_w = 1; o_sid = _mix_settings.sid.digital2; break; |
---|
680 | case SOUND_MIXER_WRITE_DIGITAL3: o_w = 1; o_sid = _mix_settings.sid.digital3; break; |
---|
681 | #endif |
---|
682 | // we handle PCM seperatly as we want to be abled to abled to handle it on a stream (not mixer), too: |
---|
683 | case SOUND_MIXER_READ_PCM: |
---|
684 | o_w = 0; |
---|
685 | if ( handle->type == HT_STREAM ) { |
---|
686 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
687 | } else { |
---|
688 | o_sid = _mix_settings.sid.pcm; |
---|
689 | } |
---|
690 | break; |
---|
691 | case SOUND_MIXER_WRITE_PCM: |
---|
692 | o_w = 1; |
---|
693 | if ( handle->type == HT_STREAM ) { |
---|
694 | o_sid = roar_stream_get_id(&(handle->stream)); |
---|
695 | } else { |
---|
696 | o_sid = _mix_settings.sid.pcm; |
---|
697 | } |
---|
698 | break; |
---|
699 | } |
---|
700 | if ( o_sid != -1 ) { |
---|
701 | // set/get volume |
---|
702 | if ( o_w ) { |
---|
703 | mixer.scale = 65535; |
---|
704 | mixer.mixer[0] = ( *ip & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
705 | mixer.mixer[1] = ((*ip >> 8) & 0xFF)*65535/OSS_VOLUME_SCALE; |
---|
706 | if ( roar_set_vol(&(handle->session->con), o_sid, &mixer, 2) == -1 ) { |
---|
707 | errno = EIO; |
---|
708 | return -1; |
---|
709 | } |
---|
710 | return 0; |
---|
711 | } else { |
---|
712 | if ( roar_get_vol(&(handle->session->con), o_sid, &mixer, &channels) == -1 ) { |
---|
713 | errno = EIO; |
---|
714 | return -1; |
---|
715 | } |
---|
716 | *ip = ((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale) | (((OSS_VOLUME_SCALE*mixer.mixer[0])/mixer.scale)<<8); |
---|
717 | return 0; |
---|
718 | } |
---|
719 | } |
---|
720 | |
---|
721 | switch (req) { |
---|
722 | case SOUND_MIXER_READ_STEREODEVS: /* FIXME: check the streams for channel config */ |
---|
723 | case SOUND_MIXER_READ_DEVMASK: |
---|
724 | *ip = 0; |
---|
725 | |
---|
726 | if ( _mix_settings.sid.volume != -1 ) |
---|
727 | *ip |= SOUND_MASK_VOLUME; |
---|
728 | if ( _mix_settings.sid.pcm != -1 ) |
---|
729 | *ip |= SOUND_MASK_PCM; |
---|
730 | if ( _mix_settings.sid.line != -1 ) |
---|
731 | *ip |= SOUND_MASK_LINE; |
---|
732 | if ( _mix_settings.sid.line1 != -1 ) |
---|
733 | *ip |= SOUND_MASK_LINE1; |
---|
734 | if ( _mix_settings.sid.line2 != -1 ) |
---|
735 | *ip |= SOUND_MASK_LINE2; |
---|
736 | if ( _mix_settings.sid.line3 != -1 ) |
---|
737 | *ip |= SOUND_MASK_LINE3; |
---|
738 | if ( _mix_settings.sid.digital1 != -1 ) |
---|
739 | #if 0 |
---|
740 | *ip |= SOUND_MASK_DIGITAL1; |
---|
741 | if ( _mix_settings.sid.digital2 != -1 ) |
---|
742 | *ip |= SOUND_MASK_DIGITAL2; |
---|
743 | if ( _mix_settings.sid.digital3 != -1 ) |
---|
744 | *ip |= SOUND_MASK_DIGITAL3; |
---|
745 | #endif |
---|
746 | |
---|
747 | return 0; |
---|
748 | break; |
---|
749 | case SOUND_MIXER_READ_RECMASK: |
---|
750 | case SOUND_MIXER_READ_RECSRC: |
---|
751 | *ip = SOUND_MASK_VOLUME; // we can currently only read from mixer |
---|
752 | return 0; |
---|
753 | break; |
---|
754 | case SOUND_MIXER_WRITE_RECSRC: |
---|
755 | if ( *ip == SOUND_MASK_VOLUME ) { |
---|
756 | return 0; |
---|
757 | } else { |
---|
758 | errno = ENOTSUP; |
---|
759 | return -1; |
---|
760 | } |
---|
761 | break; |
---|
762 | case SOUND_MIXER_READ_CAPS: |
---|
763 | *ip = 0; |
---|
764 | return 0; |
---|
765 | break; |
---|
766 | case SOUND_MIXER_INFO: |
---|
767 | info = vp; |
---|
768 | memset(info, 0, sizeof(*info)); |
---|
769 | strcpy(info->id, "RoarAudio"); |
---|
770 | strcpy(info->name, "RoarAudio"); |
---|
771 | return 0; |
---|
772 | break; |
---|
773 | } |
---|
774 | |
---|
775 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p): unknown mixer CTL", handle, req, ip); |
---|
776 | // _os.ioctl(-1, req, ip); |
---|
777 | ROAR_DBG("_ioctl_mixer(handle=%p, req=%lu, ip=%p) = -1 // errno = ENOSYS", handle, req, ip); |
---|
778 | errno = ENOSYS; |
---|
779 | return -1; |
---|
780 | } |
---|
781 | |
---|
782 | // ------------------------------------- |
---|
783 | // buffer size calculation: |
---|
784 | // ------------------------------------- |
---|
785 | |
---|
786 | static size_t _get_stream_buffersize (struct handle * handle) { |
---|
787 | if ( handle->stream_buffersize ) |
---|
788 | return handle->stream_buffersize; |
---|
789 | |
---|
790 | return handle->stream_buffersize = handle->stream.info.rate * |
---|
791 | handle->stream.info.channels * |
---|
792 | handle->stream.info.bits / 800; |
---|
793 | } |
---|
794 | |
---|
795 | // ------------------------------------- |
---|
796 | // emulated functions follow: |
---|
797 | // ------------------------------------- |
---|
798 | |
---|
799 | int open(const char *pathname, int flags, ...) { |
---|
800 | int ret; |
---|
801 | mode_t mode = 0; |
---|
802 | va_list args; |
---|
803 | |
---|
804 | _init(); |
---|
805 | |
---|
806 | if ( pathname == NULL ) { |
---|
807 | errno = EFAULT; |
---|
808 | return -1; |
---|
809 | } |
---|
810 | |
---|
811 | ROAR_DBG("open(pathname='%s', flags=%x, ...) = ?\n", pathname, flags); |
---|
812 | ret = _open_file(pathname, flags); |
---|
813 | |
---|
814 | switch (ret) { |
---|
815 | case -2: // continue as normal, use _op.open() |
---|
816 | break; |
---|
817 | case -1: // pass error to caller |
---|
818 | return -1; |
---|
819 | break; |
---|
820 | default: // return successfully opened pointer to caller |
---|
821 | return ret; |
---|
822 | break; |
---|
823 | } |
---|
824 | |
---|
825 | if (flags & O_CREAT) { |
---|
826 | va_start(args, flags); |
---|
827 | mode = va_arg(args, mode_t); |
---|
828 | va_end(args); |
---|
829 | } |
---|
830 | |
---|
831 | return _os.open(pathname, flags, mode); |
---|
832 | } |
---|
833 | |
---|
834 | int close(int fd) { |
---|
835 | struct pointer * pointer; |
---|
836 | _init(); |
---|
837 | |
---|
838 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
839 | _close_pointer(pointer); |
---|
840 | return 0; |
---|
841 | } |
---|
842 | |
---|
843 | return _os.close(fd); |
---|
844 | } |
---|
845 | |
---|
846 | ssize_t write(int fd, const void *buf, size_t count) { |
---|
847 | struct roar_roardmx_message roardmxmsg; |
---|
848 | struct pointer * pointer; |
---|
849 | ssize_t ret; |
---|
850 | int i; |
---|
851 | |
---|
852 | _init(); |
---|
853 | |
---|
854 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
855 | switch (pointer->handle->type) { |
---|
856 | case HT_STREAM: |
---|
857 | if ( pointer->handle->stream_opened == 0 ) { |
---|
858 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
859 | errno = EIO; |
---|
860 | return -1; |
---|
861 | } |
---|
862 | } |
---|
863 | ret = roar_vio_write(&(pointer->handle->stream_vio), (char*)buf, count); |
---|
864 | if ( ret > 0 ) |
---|
865 | pointer->handle->writec += ret; |
---|
866 | return ret; |
---|
867 | break; |
---|
868 | case HT_DMX: |
---|
869 | if ( pointer->handle->stream_opened == 0 ) { |
---|
870 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
871 | errno = EIO; |
---|
872 | return -1; |
---|
873 | } |
---|
874 | } |
---|
875 | if ( count > 0 ) { |
---|
876 | if ( roar_roardmx_message_new_sset(&roardmxmsg) == -1 ) { |
---|
877 | errno = EIO; |
---|
878 | return -1; |
---|
879 | } |
---|
880 | for (i = 0; i < count; i++) { |
---|
881 | if ( roar_roardmx_message_add_chanval(&roardmxmsg, pointer->handle->pos + i, ((unsigned char*)buf)[i]) == -1 ) { |
---|
882 | #ifdef EMSGSIZE |
---|
883 | errno = EMSGSIZE; |
---|
884 | #else |
---|
885 | errno = EIO; |
---|
886 | #endif |
---|
887 | return -1; |
---|
888 | } |
---|
889 | } |
---|
890 | if ( roar_roardmx_message_send(&roardmxmsg, &(pointer->handle->stream_vio)) == -1 ) { |
---|
891 | errno = EIO; |
---|
892 | return -1; |
---|
893 | } |
---|
894 | } |
---|
895 | pointer->handle->pos += count; |
---|
896 | return count; |
---|
897 | break; |
---|
898 | default: |
---|
899 | errno = EINVAL; |
---|
900 | return -1; |
---|
901 | break; |
---|
902 | } |
---|
903 | } |
---|
904 | |
---|
905 | return _os.write(fd, buf, count); |
---|
906 | } |
---|
907 | |
---|
908 | ssize_t read(int fd, void *buf, size_t count) { |
---|
909 | struct pointer * pointer; |
---|
910 | ssize_t ret; |
---|
911 | |
---|
912 | _init(); |
---|
913 | |
---|
914 | if ( (pointer = _get_pointer_by_fh(fd)) != NULL ) { |
---|
915 | if ( pointer->handle->type == HT_STREAM ) { |
---|
916 | if ( pointer->handle->stream_opened == 0 ) { |
---|
917 | if ( _open_stream(pointer->handle) == -1 ) { |
---|
918 | errno = EIO; |
---|
919 | return -1; |
---|
920 | } |
---|
921 | } |
---|
922 | ret = roar_vio_read(&(pointer->handle->stream_vio), buf, count); |
---|
923 | if ( ret > 0 ) |
---|
924 | pointer->handle->readc += ret; |
---|
925 | return ret; |
---|
926 | } else { |
---|
927 | errno = EINVAL; |
---|
928 | return -1; |
---|
929 | } |
---|
930 | } |
---|
931 | |
---|
932 | return _os.read(fd, buf, count); |
---|
933 | } |
---|
934 | |
---|
935 | off_t lseek(int fildes, off_t offset, int whence) { |
---|
936 | struct pointer * pointer; |
---|
937 | |
---|
938 | _init(); |
---|
939 | |
---|
940 | if ( (pointer = _get_pointer_by_fh(fildes)) != NULL ) { |
---|
941 | if ( pointer->handle->type == HT_DMX ) { |
---|
942 | switch (whence) { |
---|
943 | case SEEK_SET: |
---|
944 | pointer->handle->pos = offset; |
---|
945 | break; |
---|
946 | case SEEK_CUR: |
---|
947 | pointer->handle->pos += offset; |
---|
948 | break; |
---|
949 | case SEEK_END: |
---|
950 | default: |
---|
951 | errno = EINVAL; |
---|
952 | return -1; |
---|
953 | break; |
---|
954 | } |
---|
955 | return pointer->handle->pos; |
---|
956 | } else { |
---|
957 | errno = EINVAL; |
---|
958 | return -1; |
---|
959 | } |
---|
960 | } |
---|
961 | |
---|
962 | return _os.lseek(fildes, offset, whence); |
---|
963 | } |
---|
964 | |
---|
965 | IOCTL() { |
---|
966 | map_args; |
---|
967 | struct pointer * pointer; |
---|
968 | struct handle * handle; |
---|
969 | int * ip = NULL; |
---|
970 | audio_buf_info * bi; |
---|
971 | count_info * ci; |
---|
972 | #ifdef __FIXME__ |
---|
973 | char * nosys_reqname = NULL; |
---|
974 | #endif |
---|
975 | #ifdef va_argp |
---|
976 | va_list args; |
---|
977 | #endif |
---|
978 | |
---|
979 | _init(); |
---|
980 | |
---|
981 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu) = ?", __fd, (long unsigned int) __request); |
---|
982 | |
---|
983 | #ifdef va_argp |
---|
984 | va_start (args, ioctl_lastarg); |
---|
985 | argp = va_arg (args, void *); |
---|
986 | va_end (args); |
---|
987 | #endif |
---|
988 | |
---|
989 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): argp=%p", __fd, (long unsigned int) __request, argp); |
---|
990 | |
---|
991 | if ( (pointer = _get_pointer_by_fh(__fd)) != NULL ) { |
---|
992 | ip = argp; |
---|
993 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
994 | #ifdef __FIXME__ |
---|
995 | switch ((handle = pointer->handle)->type) { |
---|
996 | case SOUND_PCM_READ_RATE: nosys_reqname = "SOUND_PCM_READ_RATE"; break; |
---|
997 | case SOUND_PCM_READ_CHANNELS: nosys_reqname = "SOUND_PCM_READ_CHANNELS"; break; |
---|
998 | case SOUND_PCM_READ_BITS: nosys_reqname = "SOUND_PCM_READ_BITS"; break; |
---|
999 | case SOUND_PCM_READ_FILTER: nosys_reqname = "SOUND_PCM_READ_FILTER"; break; |
---|
1000 | case SNDCTL_COPR_RESET: nosys_reqname = "SNDCTL_COPR_RESET"; break; |
---|
1001 | case SNDCTL_COPR_LOAD: nosys_reqname = "SNDCTL_COPR_LOAD"; break; |
---|
1002 | case SNDCTL_COPR_HALT: nosys_reqname = "SNDCTL_COPR_HALT"; break; |
---|
1003 | case SNDCTL_COPR_RDATA: nosys_reqname = "SNDCTL_COPR_RDATA"; break; |
---|
1004 | case SNDCTL_COPR_RCODE: nosys_reqname = "SNDCTL_COPR_RCODE"; break; |
---|
1005 | case SNDCTL_COPR_WDATA: nosys_reqname = "SNDCTL_COPR_WDATA"; break; |
---|
1006 | case SNDCTL_COPR_WCODE: nosys_reqname = "SNDCTL_COPR_WCODE"; break; |
---|
1007 | case SNDCTL_COPR_RUN: nosys_reqname = "SNDCTL_COPR_RUN"; break; |
---|
1008 | case SNDCTL_COPR_SENDMSG: nosys_reqname = "SNDCTL_COPR_SENDMSG"; break; |
---|
1009 | case SNDCTL_COPR_RCVMSG: nosys_reqname = "SNDCTL_COPR_RCVMSG"; break; |
---|
1010 | case SNDCTL_DSP_SPEED: nosys_reqname = "SNDCTL_DSP_SPEED"; break; |
---|
1011 | /* |
---|
1012 | case : nosys_reqname = ""; break; |
---|
1013 | case : nosys_reqname = ""; break; |
---|
1014 | case : nosys_reqname = ""; break; |
---|
1015 | */ |
---|
1016 | } |
---|
1017 | #endif |
---|
1018 | switch ((handle = pointer->handle)->type) { |
---|
1019 | case HT_STREAM: |
---|
1020 | switch (__request) { |
---|
1021 | case SNDCTL_DSP_RESET: |
---|
1022 | case SNDCTL_DSP_POST: |
---|
1023 | case SNDCTL_DSP_SETFRAGMENT: // any fragments should be ok for us... |
---|
1024 | return 0; |
---|
1025 | break; |
---|
1026 | case SNDCTL_DSP_SPEED: |
---|
1027 | handle->stream.info.rate = *ip; |
---|
1028 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): rate=%i", __fd, (long unsigned int) __request, *ip); |
---|
1029 | return 0; |
---|
1030 | break; |
---|
1031 | case SNDCTL_DSP_CHANNELS: |
---|
1032 | handle->stream.info.channels = *ip; |
---|
1033 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): channels=%i", __fd, (long unsigned int) __request, *ip); |
---|
1034 | return 0; |
---|
1035 | break; |
---|
1036 | case SNDCTL_DSP_STEREO: |
---|
1037 | handle->stream.info.channels = *ip ? 2 : 1; |
---|
1038 | return 0; |
---|
1039 | break; |
---|
1040 | case SNDCTL_DSP_GETBLKSIZE: |
---|
1041 | *ip = _get_stream_buffersize(handle); |
---|
1042 | return 0; |
---|
1043 | break; |
---|
1044 | case SNDCTL_DSP_SETFMT: |
---|
1045 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): fmt=0x%x", __fd, (long unsigned int) __request, *ip); |
---|
1046 | return _ioctl_stream_format(handle, *ip); |
---|
1047 | break; |
---|
1048 | case SNDCTL_DSP_GETFMTS: |
---|
1049 | // ROAR_DBG("ioctl(__fd=%i, __request=%lu): ip=%p", __fd, (long unsigned int) __request, ip); |
---|
1050 | *ip = _ioctl_stream_format_list(); |
---|
1051 | return 0; |
---|
1052 | break; |
---|
1053 | case SNDCTL_DSP_GETOSPACE: |
---|
1054 | case SNDCTL_DSP_GETISPACE: |
---|
1055 | bi = argp; |
---|
1056 | memset(bi, 0, sizeof(*bi)); |
---|
1057 | bi->bytes = _get_stream_buffersize(handle); |
---|
1058 | bi->fragments = 1; |
---|
1059 | bi->fragsize = bi->bytes; |
---|
1060 | bi->fragstotal = 1; |
---|
1061 | return 0; |
---|
1062 | break; |
---|
1063 | case SNDCTL_DSP_GETOPTR: |
---|
1064 | ci = argp; |
---|
1065 | memset(ci, 0, sizeof(*ci)); |
---|
1066 | ci->bytes = handle->writec; |
---|
1067 | ci->blocks = ci->bytes / _get_stream_buffersize(handle); |
---|
1068 | ci->ptr = 0; |
---|
1069 | return 0; |
---|
1070 | break; |
---|
1071 | case SNDCTL_DSP_GETIPTR: |
---|
1072 | ci = argp; |
---|
1073 | memset(ci, 0, sizeof(*ci)); |
---|
1074 | ci->bytes = handle->readc; |
---|
1075 | ci->blocks = ci->bytes / _get_stream_buffersize(handle); |
---|
1076 | ci->ptr = 0; |
---|
1077 | return 0; |
---|
1078 | break; |
---|
1079 | #ifdef SNDCTL_DSP_GETPLAYVOL |
---|
1080 | case SNDCTL_DSP_GETPLAYVOL: |
---|
1081 | return _ioctl_mixer(handle, SOUND_MIXER_READ_PCM, argp); |
---|
1082 | break; |
---|
1083 | #endif |
---|
1084 | #ifdef SNDCTL_DSP_SETPLAYVOL |
---|
1085 | case SNDCTL_DSP_SETPLAYVOL: |
---|
1086 | return _ioctl_mixer(handle, SOUND_MIXER_WRITE_PCM, argp); |
---|
1087 | break; |
---|
1088 | #endif |
---|
1089 | default: |
---|
1090 | #ifdef __FIXME__ |
---|
1091 | ROAR_DBG("ioctl(__fd=%i, __request=%lu (%s)) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request, nosys_reqname); |
---|
1092 | #else |
---|
1093 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
1094 | #endif |
---|
1095 | errno = ENOSYS; |
---|
1096 | return -1; |
---|
1097 | } |
---|
1098 | break; |
---|
1099 | case HT_MIXER: |
---|
1100 | return _ioctl_mixer(handle, __request, argp); |
---|
1101 | break; |
---|
1102 | default: |
---|
1103 | ROAR_DBG("ioctl(__fd=%i, __request=%lu): unknown handle type: no ioctl()s supported", __fd, (long unsigned int) __request); |
---|
1104 | ROAR_DBG("ioctl(__fd=%i, __request=%lu) = -1 // errno = ENOSYS", __fd, (long unsigned int) __request); |
---|
1105 | errno = EINVAL; |
---|
1106 | return -1; |
---|
1107 | break; |
---|
1108 | } |
---|
1109 | } |
---|
1110 | |
---|
1111 | #ifdef IOCTL_IS_ALIAS |
---|
1112 | errno = ENOSYS; |
---|
1113 | return -1; |
---|
1114 | #else |
---|
1115 | return _os.ioctl(__fd, __request, argp); |
---|
1116 | #endif |
---|
1117 | } |
---|
1118 | |
---|
1119 | |
---|
1120 | // ------------------------------------- |
---|
1121 | // emulated stdio functions follow: |
---|
1122 | // ------------------------------------- |
---|
1123 | |
---|
1124 | //roar_vio_to_stdio |
---|
1125 | |
---|
1126 | FILE *fopen(const char *path, const char *mode) { |
---|
1127 | struct pointer * pointer; |
---|
1128 | FILE * fr; |
---|
1129 | int ret; |
---|
1130 | int r = 0, w = 0; |
---|
1131 | int flags = 0; |
---|
1132 | int i; |
---|
1133 | register char c; |
---|
1134 | |
---|
1135 | _init(); |
---|
1136 | |
---|
1137 | if ( path == NULL || mode == NULL ) { |
---|
1138 | errno = EFAULT; |
---|
1139 | return NULL; |
---|
1140 | } |
---|
1141 | |
---|
1142 | ROAR_DBG("open(path='%s', mode='%s') = ?\n", path, mode); |
---|
1143 | |
---|
1144 | for (i = 0; (c = mode[i]) != 0; i++) { |
---|
1145 | switch (c) { |
---|
1146 | case 'r': r = 1; break; |
---|
1147 | case 'w': w = 1; break; |
---|
1148 | case 'a': w = 1; break; |
---|
1149 | case '+': |
---|
1150 | r = 1; |
---|
1151 | w = 1; |
---|
1152 | break; |
---|
1153 | } |
---|
1154 | } |
---|
1155 | |
---|
1156 | if ( r && w ) { |
---|
1157 | flags = O_RDWR; |
---|
1158 | } else if ( r ) { |
---|
1159 | flags = O_RDONLY; |
---|
1160 | } else if ( w ) { |
---|
1161 | flags = O_WRONLY; |
---|
1162 | } else { |
---|
1163 | errno = EINVAL; |
---|
1164 | return NULL; |
---|
1165 | } |
---|
1166 | |
---|
1167 | ret = _open_file(path, flags); |
---|
1168 | |
---|
1169 | switch (ret) { |
---|
1170 | case -2: // continue as normal, use _op.open() |
---|
1171 | break; |
---|
1172 | case -1: // pass error to caller |
---|
1173 | return NULL; |
---|
1174 | break; |
---|
1175 | default: // return successfully opened pointer to caller |
---|
1176 | if ( (pointer = _get_pointer_by_fh(ret)) != NULL ) { |
---|
1177 | if ( (fr = roar_vio_to_stdio(&(pointer->handle->stream_vio), flags)) == NULL ) { |
---|
1178 | errno = EIO; |
---|
1179 | return NULL; |
---|
1180 | } else { |
---|
1181 | return fr; |
---|
1182 | } |
---|
1183 | } else { |
---|
1184 | errno = EIO; |
---|
1185 | return NULL; |
---|
1186 | } |
---|
1187 | break; |
---|
1188 | } |
---|
1189 | |
---|
1190 | return _os.fopen(path, mode); |
---|
1191 | } |
---|
1192 | |
---|
1193 | #endif |
---|
1194 | |
---|
1195 | //ll |
---|