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428
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1 /* Sound functions.
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2 Copyright (C) 1992, 1993, 1994 Lucid Inc.
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Originally written by Jamie Zawinski.
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25 Hacked on quite a bit by various others. */
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26
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27 #include <config.h>
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28 #include <time.h>
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29 #include "lisp.h"
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30
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31 #include "buffer.h"
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32 #ifdef HAVE_X_WINDOWS
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33 #include "console-x.h"
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34 #endif
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35
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36 #include "device.h"
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37 #include "redisplay.h"
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38 #include "sysdep.h"
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39
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442
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40 #include "sysfile.h"
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428
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41
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42 #ifdef HAVE_NATIVE_SOUND
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442
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43 # include "sysproc.h"
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44 # include "nativesound.h"
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428
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45 #endif
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46
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47 #ifdef HAVE_ESD_SOUND
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48 extern int esd_play_sound_file (char *file, int vol);
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49 extern int esd_play_sound_data (unsigned char *data, size_t length, int vol);
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50 # define DEVICE_CONNECTED_TO_ESD_P(x) 1 /* FIXME: better check */
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51 #endif
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52
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458
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53 Fixnum bell_volume;
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54 Fixnum bell_inhibit_time;
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428
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55 Lisp_Object Vsound_alist;
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56 Lisp_Object Vsynchronous_sounds;
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57 Lisp_Object Vnative_sound_only_on_console;
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58 Lisp_Object Q_volume, Q_pitch, Q_duration, Q_sound;
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59
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60
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61 #ifdef HAVE_NAS_SOUND
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62 extern int nas_play_sound_file (char *name, int volume);
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63 extern int nas_play_sound_data (unsigned char *data, int length, int volume);
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64 extern int nas_wait_for_sounds (void);
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65 extern char *nas_init_play (Display *);
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66
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67 Lisp_Object Qnas;
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68 #endif
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69
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70 DEFUN ("play-sound-file", Fplay_sound_file, 1, 3, "fSound file name: ", /*
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71 Play the named sound file on DEVICE's speaker at the specified volume
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72 \(0-100, default specified by the `bell-volume' variable).
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73 On Unix machines the sound file must be in the Sun/NeXT U-LAW format
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74 except under Linux where WAV files are also supported. On Microsoft
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75 Windows the sound file must be in WAV format.
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76 DEVICE defaults to the selected device.
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77 */
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78 (file, volume, device))
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79 {
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80 /* This function can call lisp */
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81 int vol;
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82 #if defined (HAVE_NATIVE_SOUND) || defined (HAVE_NAS_SOUND) \
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83 || defined (HAVE_ESD_SOUND)
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84 struct device *d = decode_device (device);
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85 #endif
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86 struct gcpro gcpro1;
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87
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88 CHECK_STRING (file);
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89 if (NILP (volume))
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90 vol = bell_volume;
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91 else
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92 {
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93 CHECK_INT (volume);
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94 vol = XINT (volume);
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95 }
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96
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97 GCPRO1 (file);
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98 while (1)
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99 {
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100 file = Fexpand_file_name (file, Qnil);
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101 if (!NILP(Ffile_readable_p (file)))
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102 break;
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103 else
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104 {
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105 /* #### This is crockish. It might be a better idea to try
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106 to open the file, and use report_file_error() if it
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107 fails. --hniksic */
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108 if (NILP (Ffile_exists_p (file)))
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109 file =
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110 signal_simple_continuable_error ("File does not exist", file);
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111 else
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112 file =
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113 signal_simple_continuable_error ("File is unreadable", file);
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114 }
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115 }
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116 UNGCPRO;
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117
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118 #ifdef HAVE_NAS_SOUND
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119 if (DEVICE_CONNECTED_TO_NAS_P (d))
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120 {
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121 char *fileext;
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122
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442
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123 LISP_STRING_TO_EXTERNAL (file, fileext, Qfile_name);
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428
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124 /* #### NAS code should allow specification of a device. */
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125 if (nas_play_sound_file (fileext, vol))
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126 return Qnil;
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127 }
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128 #endif /* HAVE_NAS_SOUND */
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129
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130 #ifdef HAVE_ESD_SOUND
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131 if (DEVICE_CONNECTED_TO_ESD_P (d))
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132 {
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133 char *fileext;
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442
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134 int result;
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428
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135
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442
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136 LISP_STRING_TO_EXTERNAL (file, fileext, Qfile_name);
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137
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138 /* #### ESD uses alarm(). But why should we also stop SIGIO? */
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139 stop_interrupts ();
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140 result = esd_play_sound_file (fileext, vol);
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141 start_interrupts ();
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142 if (result)
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428
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143 return Qnil;
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144 }
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145 #endif /* HAVE_ESD_SOUND */
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146
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147 #ifdef HAVE_NATIVE_SOUND
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148 if (NILP (Vnative_sound_only_on_console) || DEVICE_ON_CONSOLE_P (d))
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149 {
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442
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150 const char *fileext;
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428
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151
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442
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152 LISP_STRING_TO_EXTERNAL (file, fileext, Qfile_name);
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428
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153 /* The sound code doesn't like getting SIGIO interrupts.
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154 Unix sucks! */
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155 stop_interrupts ();
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156 play_sound_file ((char *) fileext, vol);
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157 start_interrupts ();
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158 QUIT;
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159 }
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160 #endif /* HAVE_NATIVE_SOUND */
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161
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162 return Qnil;
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163 }
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164
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165 static void
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166 parse_sound_alist_elt (Lisp_Object elt,
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167 Lisp_Object *volume,
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168 Lisp_Object *pitch,
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169 Lisp_Object *duration,
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170 Lisp_Object *sound)
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171 {
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172 *volume = Qnil;
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173 *pitch = Qnil;
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174 *duration = Qnil;
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175 *sound = Qnil;
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176 if (! CONSP (elt))
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177 return;
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178
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179 /* The things we do for backward compatibility...
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180 I wish I had just forced this to be a plist to begin with.
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181 */
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182
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183 if (SYMBOLP (elt) || STRINGP (elt)) /* ( name . <sound> ) */
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184 {
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185 *sound = elt;
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186 }
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187 else if (!CONSP (elt))
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188 {
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189 return;
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190 }
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191 else if (NILP (XCDR (elt)) && /* ( name <sound> ) */
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192 (SYMBOLP (XCAR (elt)) ||
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193 STRINGP (XCAR (elt))))
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194 {
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195 *sound = XCAR (elt);
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196 }
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197 else if (INT_OR_FLOATP (XCAR (elt)) && /* ( name <vol> . <sound> ) */
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198 (SYMBOLP (XCDR (elt)) ||
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199 STRINGP (XCDR (elt))))
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200 {
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201 *volume = XCAR (elt);
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202 *sound = XCDR (elt);
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203 }
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204 else if (INT_OR_FLOATP (XCAR (elt)) && /* ( name <vol> <sound> ) */
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205 CONSP (XCDR (elt)) &&
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206 NILP (XCDR (XCDR (elt))) &&
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207 (SYMBOLP (XCAR (XCDR (elt))) ||
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208 STRINGP (XCAR (XCDR (elt)))))
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209 {
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210 *volume = XCAR (elt);
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211 *sound = XCAR (XCDR (elt));
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212 }
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213 else if ((SYMBOLP (XCAR (elt)) || /* ( name <sound> . <vol> ) */
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214 STRINGP (XCAR (elt))) &&
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215 INT_OR_FLOATP (XCDR (elt)))
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216 {
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217 *sound = XCAR (elt);
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218 *volume = XCDR (elt);
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219 }
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220 #if 0 /* this one is ambiguous with the plist form */
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221 else if ((SYMBOLP (XCAR (elt)) || /* ( name <sound> <vol> ) */
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222 STRINGP (XCAR (elt))) &&
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223 CONSP (XCDR (elt)) &&
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224 NILP (XCDR (XCDR (elt))) &&
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225 INT_OR_FLOATP (XCAR (XCDR (elt))))
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226 {
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227 *sound = XCAR (elt);
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228 *volume = XCAR (XCDR (elt));
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229 }
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230 #endif /* 0 */
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231 else /* ( name [ keyword <value> ]* ) */
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232 {
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233 while (CONSP (elt))
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234 {
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235 Lisp_Object key, val;
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236 key = XCAR (elt);
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237 val = XCDR (elt);
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238 if (!CONSP (val))
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239 return;
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240 elt = XCDR (val);
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241 val = XCAR (val);
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242 if (EQ (key, Q_volume))
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243 {
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244 if (INT_OR_FLOATP (val)) *volume = val;
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245 }
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246 else if (EQ (key, Q_pitch))
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247 {
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248 if (INT_OR_FLOATP (val)) *pitch = val;
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249 if (NILP (*sound)) *sound = Qt;
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250 }
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251 else if (EQ (key, Q_duration))
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252 {
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253 if (INT_OR_FLOATP (val)) *duration = val;
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254 if (NILP (*sound)) *sound = Qt;
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255 }
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256 else if (EQ (key, Q_sound))
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257 {
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258 if (SYMBOLP (val) || STRINGP (val)) *sound = val;
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259 }
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260 }
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261 }
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262 }
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263
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264 DEFUN ("play-sound", Fplay_sound, 1, 3, 0, /*
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265 Play a sound of the provided type.
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266 See the variable `sound-alist'.
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267 */
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268 (sound, volume, device))
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269 {
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270 int looking_for_default = 0;
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271 /* variable `sound' is anything that can be a cdr in sound-alist */
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272 Lisp_Object new_volume, pitch, duration, data;
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273 int loop_count = 0;
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274 int vol, pit, dur;
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275 struct device *d = decode_device (device);
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276
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277 /* NOTE! You'd better not signal an error in here. */
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278
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279
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280 try_it_again:
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281 while (1)
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282 {
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283 if (SYMBOLP (sound))
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284 sound = Fcdr (Fassq (sound, Vsound_alist));
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285 parse_sound_alist_elt (sound, &new_volume, &pitch, &duration, &data);
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286 sound = data;
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287 if (NILP (volume)) volume = new_volume;
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288 if (EQ (sound, Qt) || EQ (sound, Qnil) || STRINGP (sound))
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289 break;
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290 if (loop_count++ > 500) /* much bogosity has occurred */
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291 break;
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292 }
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293
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294 if (NILP (sound) && !looking_for_default)
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295 {
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296 looking_for_default = 1;
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297 loop_count = 0;
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298 sound = Qdefault;
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299 goto try_it_again;
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300 }
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301
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302
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303 vol = (INT_OR_FLOATP (volume) ? (int) XFLOATINT (volume) : bell_volume);
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304 pit = (INT_OR_FLOATP (pitch) ? (int) XFLOATINT (pitch) : -1);
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305 dur = (INT_OR_FLOATP (duration) ? (int) XFLOATINT (duration) : -1);
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306
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307 /* If the sound is a string, and we're connected to Nas, do that.
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308 Else if the sound is a string, and we're on console, play it natively.
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309 Else just beep.
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310 */
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311 #ifdef HAVE_NAS_SOUND
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312 if (DEVICE_CONNECTED_TO_NAS_P (d) && STRINGP (sound))
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|
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313 {
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442
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314 const Extbyte *soundext;
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428
|
315 Extcount soundextlen;
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|
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316
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440
|
317 TO_EXTERNAL_FORMAT (LISP_STRING, sound,
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|
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318 ALLOCA, (soundext, soundextlen),
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319 Qbinary);
|
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428
|
320 if (nas_play_sound_data ((unsigned char*)soundext, soundextlen, vol))
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321 return Qnil;
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|
|
322 }
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|
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323 #endif /* HAVE_NAS_SOUND */
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|
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324
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325 #ifdef HAVE_ESD_SOUND
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|
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326 if (DEVICE_CONNECTED_TO_ESD_P (d) && STRINGP (sound))
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|
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327 {
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|
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328 Extbyte *soundext;
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|
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329 Extcount soundextlen;
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|
442
|
330 int succes;
|
|
428
|
331
|
|
440
|
332 TO_EXTERNAL_FORMAT (LISP_STRING, sound, ALLOCA, (soundext, soundextlen),
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|
333 Qbinary);
|
|
442
|
334
|
|
|
335 /* #### ESD uses alarm(). But why should we also stop SIGIO? */
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|
|
336 stop_interrupts ();
|
|
444
|
337 succes = esd_play_sound_data ((unsigned char *) soundext, soundextlen, vol);
|
|
442
|
338 start_interrupts ();
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|
|
339 QUIT;
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|
|
340 if(succes)
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|
|
341 return Qnil;
|
|
428
|
342 }
|
|
|
343 #endif /* HAVE_ESD_SOUND */
|
|
|
344
|
|
|
345 #ifdef HAVE_NATIVE_SOUND
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|
|
346 if ((NILP (Vnative_sound_only_on_console) || DEVICE_ON_CONSOLE_P (d))
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|
|
347 && STRINGP (sound))
|
|
|
348 {
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|
442
|
349 const Extbyte *soundext;
|
|
428
|
350 Extcount soundextlen;
|
|
442
|
351 int succes;
|
|
428
|
352
|
|
440
|
353 TO_EXTERNAL_FORMAT (LISP_STRING, sound,
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|
|
354 ALLOCA, (soundext, soundextlen),
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|
|
355 Qbinary);
|
|
428
|
356 /* The sound code doesn't like getting SIGIO interrupts. Unix sucks! */
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|
|
357 stop_interrupts ();
|
|
442
|
358 succes = play_sound_data ((unsigned char*)soundext, soundextlen, vol);
|
|
428
|
359 start_interrupts ();
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|
|
360 QUIT;
|
|
442
|
361 if (succes)
|
|
|
362 return Qnil;
|
|
428
|
363 }
|
|
|
364 #endif /* HAVE_NATIVE_SOUND */
|
|
|
365
|
|
|
366 DEVMETH (d, ring_bell, (d, vol, pit, dur));
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|
|
367 return Qnil;
|
|
|
368 }
|
|
|
369
|
|
|
370 DEFUN ("device-sound-enabled-p", Fdevice_sound_enabled_p, 0, 1, 0, /*
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|
|
371 Return t if DEVICE is able to play sound. Defaults to selected device.
|
|
|
372 */
|
|
|
373 (device))
|
|
|
374 {
|
|
|
375 #ifdef HAVE_NAS_SOUND
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|
|
376 if (DEVICE_CONNECTED_TO_NAS_P (decode_device (device)))
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|
|
377 return Qt;
|
|
|
378 #endif
|
|
|
379 #ifdef HAVE_NATIVE_SOUND
|
|
|
380 if (DEVICE_ON_CONSOLE_P (decode_device (device)))
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|
|
381 return Qt;
|
|
|
382 #endif
|
|
|
383 return Qnil;
|
|
|
384 }
|
|
|
385
|
|
|
386 DEFUN ("ding", Fding, 0, 3, 0, /*
|
|
|
387 Beep, or flash the frame.
|
|
|
388 Also, unless an argument is given,
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|
|
389 terminate any keyboard macro currently executing.
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|
|
390 When called from lisp, the second argument is what sound to make, and
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|
|
391 the third argument is the device to make it in (defaults to the selected
|
|
|
392 device).
|
|
|
393 */
|
|
|
394 (arg, sound, device))
|
|
|
395 {
|
|
430
|
396 static time_t last_bell_time;
|
|
|
397 static struct device *last_bell_device;
|
|
428
|
398 time_t now;
|
|
|
399 struct device *d = decode_device (device);
|
|
|
400
|
|
|
401 XSETDEVICE (device, d);
|
|
|
402 now = time (0);
|
|
|
403
|
|
|
404 if (NILP (arg) && !NILP (Vexecuting_macro))
|
|
|
405 /* Stop executing a keyboard macro. */
|
|
|
406 error ("Keyboard macro terminated by a command ringing the bell");
|
|
|
407
|
|
|
408 if (d == last_bell_device && now-last_bell_time < bell_inhibit_time)
|
|
|
409 return Qnil;
|
|
442
|
410 else if (!NILP (Vvisible_bell) && DEVMETH (d, flash, (d)))
|
|
428
|
411 ;
|
|
|
412 else
|
|
|
413 Fplay_sound (sound, Qnil, device);
|
|
|
414
|
|
|
415 last_bell_time = now;
|
|
|
416 last_bell_device = d;
|
|
|
417 return Qnil;
|
|
|
418 }
|
|
|
419
|
|
|
420 DEFUN ("wait-for-sounds", Fwait_for_sounds, 0, 1, 0, /*
|
|
|
421 Wait for all sounds to finish playing on DEVICE.
|
|
|
422 */
|
|
|
423 (device))
|
|
|
424
|
|
|
425 {
|
|
|
426 #ifdef HAVE_NAS_SOUND
|
|
|
427 struct device *d = decode_device (device);
|
|
|
428 if (DEVICE_CONNECTED_TO_NAS_P (d))
|
|
|
429 {
|
|
|
430 /* #### somebody fix this to be device-dependent. */
|
|
|
431 nas_wait_for_sounds ();
|
|
|
432 }
|
|
|
433 #endif
|
|
|
434 return Qnil;
|
|
|
435 }
|
|
|
436
|
|
|
437 DEFUN ("connected-to-nas-p", Fconnected_to_nas_p, 0, 1, 0, /*
|
|
|
438 Return t if connected to NAS server for sounds on DEVICE.
|
|
|
439 */
|
|
|
440 (device))
|
|
|
441 {
|
|
|
442 #ifdef HAVE_NAS_SOUND
|
|
|
443 return DEVICE_CONNECTED_TO_NAS_P (decode_device (device)) ? Qt : Qnil;
|
|
|
444 #else
|
|
|
445 return Qnil;
|
|
|
446 #endif
|
|
|
447 }
|
|
|
448 #ifdef HAVE_NAS_SOUND
|
|
|
449
|
|
|
450 static void
|
|
|
451 init_nas_sound (struct device *d)
|
|
|
452 {
|
|
|
453 #ifdef HAVE_X_WINDOWS
|
|
|
454 if (DEVICE_X_P (d))
|
|
|
455 {
|
|
442
|
456 char *err_message = nas_init_play (DEVICE_X_DISPLAY (d));
|
|
|
457 DEVICE_CONNECTED_TO_NAS_P (d) = !err_message;
|
|
428
|
458 /* Print out the message? */
|
|
|
459 }
|
|
|
460 #endif /* HAVE_X_WINDOWS */
|
|
|
461 }
|
|
|
462
|
|
|
463 #endif /* HAVE_NAS_SOUND */
|
|
|
464
|
|
|
465 #ifdef HAVE_NATIVE_SOUND
|
|
|
466
|
|
|
467 static void
|
|
|
468 init_native_sound (struct device *d)
|
|
|
469 {
|
|
|
470 if (DEVICE_TTY_P (d) || DEVICE_STREAM_P (d) || DEVICE_MSWINDOWS_P(d))
|
|
|
471 DEVICE_ON_CONSOLE_P (d) = 1;
|
|
|
472 #ifdef HAVE_X_WINDOWS
|
|
|
473 else
|
|
|
474 {
|
|
|
475 /* When running on a machine with native sound support, we cannot use
|
|
|
476 digitized sounds as beeps unless emacs is running on the same machine
|
|
|
477 that $DISPLAY points to, and $DISPLAY points to frame 0 of that
|
|
|
478 machine.
|
|
|
479 */
|
|
|
480
|
|
|
481 Display *display = DEVICE_X_DISPLAY (d);
|
|
|
482 char *dpy = DisplayString (display);
|
|
|
483 char *tail = (char *) strchr (dpy, ':');
|
|
|
484 if (! tail ||
|
|
|
485 strncmp (tail, ":0", 2))
|
|
|
486 DEVICE_ON_CONSOLE_P (d) = 0;
|
|
|
487 else
|
|
|
488 {
|
|
|
489 char dpyname[255], localname[255];
|
|
|
490
|
|
|
491 /* some systems can't handle SIGIO or SIGALARM in gethostbyname. */
|
|
|
492 stop_interrupts ();
|
|
|
493 strncpy (dpyname, dpy, tail-dpy);
|
|
|
494 dpyname [tail-dpy] = 0;
|
|
|
495 if (!*dpyname ||
|
|
|
496 !strcmp (dpyname, "unix") ||
|
|
|
497 !strcmp (dpyname, "localhost"))
|
|
|
498 DEVICE_ON_CONSOLE_P (d) = 1;
|
|
|
499 else if (gethostname (localname, sizeof (localname)))
|
|
|
500 DEVICE_ON_CONSOLE_P (d) = 0; /* can't find hostname? */
|
|
|
501 else
|
|
|
502 {
|
|
|
503 /* We have to call gethostbyname() on the result of gethostname()
|
|
|
504 because the two aren't guaranteed to be the same name for the
|
|
|
505 same host: on some losing systems, one is a FQDN and the other
|
|
|
506 is not. Here in the wide wonderful world of Unix it's rocket
|
|
|
507 science to obtain the local hostname in a portable fashion.
|
|
|
508
|
|
|
509 And don't forget, gethostbyname() reuses the structure it
|
|
|
510 returns, so we have to copy the fucker before calling it
|
|
|
511 again.
|
|
|
512
|
|
|
513 Thank you master, may I have another.
|
|
|
514 */
|
|
|
515 struct hostent *h = gethostbyname (dpyname);
|
|
|
516 if (!h)
|
|
|
517 DEVICE_ON_CONSOLE_P (d) = 0;
|
|
|
518 else
|
|
|
519 {
|
|
|
520 char hn [255];
|
|
|
521 struct hostent *l;
|
|
|
522 strcpy (hn, h->h_name);
|
|
|
523 l = gethostbyname (localname);
|
|
|
524 DEVICE_ON_CONSOLE_P (d) = (l && !(strcmp (l->h_name, hn)));
|
|
|
525 }
|
|
|
526 }
|
|
|
527 start_interrupts ();
|
|
|
528 }
|
|
|
529 }
|
|
|
530 #endif /* HAVE_X_WINDOWS */
|
|
|
531 }
|
|
|
532
|
|
|
533 #endif /* HAVE_NATIVE_SOUND */
|
|
|
534
|
|
|
535 void
|
|
|
536 init_device_sound (struct device *d)
|
|
|
537 {
|
|
|
538 #ifdef HAVE_NAS_SOUND
|
|
|
539 init_nas_sound (d);
|
|
|
540 #endif
|
|
|
541
|
|
|
542 #ifdef HAVE_NATIVE_SOUND
|
|
|
543 init_native_sound (d);
|
|
|
544 #endif
|
|
|
545 }
|
|
|
546
|
|
|
547 void
|
|
|
548 syms_of_sound (void)
|
|
|
549 {
|
|
|
550 defkeyword (&Q_volume, ":volume");
|
|
|
551 defkeyword (&Q_pitch, ":pitch");
|
|
|
552 defkeyword (&Q_duration, ":duration");
|
|
|
553 defkeyword (&Q_sound, ":sound");
|
|
|
554
|
|
|
555 #ifdef HAVE_NAS_SOUND
|
|
|
556 defsymbol (&Qnas, "nas");
|
|
|
557 #endif
|
|
|
558
|
|
|
559 DEFSUBR (Fplay_sound_file);
|
|
|
560 DEFSUBR (Fplay_sound);
|
|
|
561 DEFSUBR (Fding);
|
|
|
562 DEFSUBR (Fwait_for_sounds);
|
|
|
563 DEFSUBR (Fconnected_to_nas_p);
|
|
|
564 DEFSUBR (Fdevice_sound_enabled_p);
|
|
|
565 }
|
|
|
566
|
|
|
567
|
|
|
568 void
|
|
|
569 vars_of_sound (void)
|
|
|
570 {
|
|
|
571 #ifdef HAVE_NATIVE_SOUND
|
|
|
572 Fprovide (intern ("native-sound"));
|
|
|
573 #endif
|
|
|
574 #ifdef HAVE_NAS_SOUND
|
|
|
575 Fprovide (intern ("nas-sound"));
|
|
|
576 #endif
|
|
432
|
577 #ifdef HAVE_ESD_SOUND
|
|
|
578 Fprovide (intern ("esd-sound"));
|
|
|
579 #endif
|
|
428
|
580
|
|
|
581 DEFVAR_INT ("bell-volume", &bell_volume /*
|
|
|
582 *How loud to be, from 0 to 100.
|
|
|
583 */ );
|
|
|
584 bell_volume = 50;
|
|
|
585
|
|
|
586 DEFVAR_INT ("bell-inhibit-time", &bell_inhibit_time /*
|
|
|
587 *Don't ring the bell on the same device more than once within this many seconds.
|
|
|
588 */ );
|
|
|
589 bell_inhibit_time = 0;
|
|
|
590
|
|
|
591 DEFVAR_LISP ("sound-alist", &Vsound_alist /*
|
|
|
592 An alist associating names with sounds.
|
|
|
593 When `beep' or `ding' is called with one of the name symbols, the associated
|
|
|
594 sound will be generated instead of the standard beep.
|
|
|
595
|
|
|
596 Each element of `sound-alist' is a list describing a sound.
|
|
|
597 The first element of the list is the name of the sound being defined.
|
|
|
598 Subsequent elements of the list are alternating keyword/value pairs:
|
|
|
599
|
|
|
600 Keyword: Value:
|
|
|
601 ------- -----
|
|
|
602 sound A string of raw sound data, or the name of another sound to
|
|
|
603 play. The symbol `t' here means use the default X beep.
|
|
|
604 volume An integer from 0-100, defaulting to `bell-volume'
|
|
|
605 pitch If using the default X beep, the pitch (Hz) to generate.
|
|
|
606 duration If using the default X beep, the duration (milliseconds).
|
|
|
607
|
|
|
608 For compatibility, elements of `sound-alist' may also be:
|
|
|
609
|
|
|
610 ( sound-name . <sound> )
|
|
|
611 ( sound-name <volume> <sound> )
|
|
|
612
|
|
|
613 You should probably add things to this list by calling the function
|
|
|
614 load-sound-file.
|
|
|
615
|
|
|
616 Caveats:
|
|
|
617 - XEmacs must be built with sound support for your system. Not all
|
|
|
618 systems support sound.
|
|
|
619
|
|
|
620 - The pitch, duration, and volume options are available everywhere, but
|
|
|
621 many X servers ignore the `pitch' option.
|
|
|
622
|
|
|
623 The following beep-types are used by emacs itself:
|
|
|
624
|
|
|
625 auto-save-error when an auto-save does not succeed
|
|
|
626 command-error when the emacs command loop catches an error
|
|
|
627 undefined-key when you type a key that is undefined
|
|
|
628 undefined-click when you use an undefined mouse-click combination
|
|
|
629 no-completion during completing-read
|
|
|
630 y-or-n-p when you type something other than 'y' or 'n'
|
|
|
631 yes-or-no-p when you type something other than 'yes' or 'no'
|
|
|
632 default used when nothing else is appropriate.
|
|
|
633
|
|
|
634 Other lisp packages may use other beep types, but these are the ones that
|
|
|
635 the C kernel of Emacs uses.
|
|
|
636 */ );
|
|
|
637 Vsound_alist = Qnil;
|
|
|
638
|
|
|
639 DEFVAR_LISP ("synchronous-sounds", &Vsynchronous_sounds /*
|
|
|
640 Play sounds synchronously, if non-nil.
|
|
|
641 Only applies if NAS is used and supports asynchronous playing
|
|
|
642 of sounds. Otherwise, sounds are always played synchronously.
|
|
|
643 */ );
|
|
|
644 Vsynchronous_sounds = Qnil;
|
|
|
645
|
|
|
646 DEFVAR_LISP ("native-sound-only-on-console", &Vnative_sound_only_on_console /*
|
|
|
647 Non-nil value means play sounds only if XEmacs is running
|
|
|
648 on the system console.
|
|
442
|
649 Nil means always play sounds, even if running on a non-console tty
|
|
428
|
650 or a secondary X display.
|
|
|
651
|
|
|
652 This variable only applies to native sound support.
|
|
|
653 */ );
|
|
|
654 Vnative_sound_only_on_console = Qt;
|
|
|
655
|
|
|
656 #if defined (HAVE_NATIVE_SOUND) && defined (hp9000s800)
|
|
|
657 {
|
|
|
658 void vars_of_hpplay (void);
|
|
|
659 vars_of_hpplay ();
|
|
|
660 }
|
|
|
661 #endif
|
|
|
662 }
|
