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1 /* Copyright (C) 1993 Free Software Foundation, Inc.
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2
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3 This file is part of XEmacs.
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4
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5 XEmacs is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU General Public License as published by the
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7 Free Software Foundation; either version 2, or (at your option) any
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8 later version.
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9
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10 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with XEmacs; see the file COPYING. If not, write to
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17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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18 Boston, MA 02111-1307, USA. */
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19
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20 /* Synched up with: Not in FSF. */
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21
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563
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22 /* This file Mule-ized by Ben Wing, 5-15-01. */
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23
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24
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25 /***
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26 NAME
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27 hpplay
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28 PURPOSE
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29 Play .au sound files on hp9000s700
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30 BUGS
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31 I have been unable to figure out how to use the volume feature, so no
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32 attempt has been made to honor the volume arg of play_sound_*
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33 This means that all sounds are played at 100%.
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34 The gain parameter can be set by using the hp-play-gain variable.
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35
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36 NOTES
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37 This file is mostly based on the player program found in the examples
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38 directory of the audio software delivered on our machines. The path I
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39 found it under was /usr/audio/examples/player.c
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40 This file contained no credits and no copyrights. The original fileheader
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41 is given below.
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42 HISTORY
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43 lynbech - Feb 10, 1993: Created.
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44 ***/
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45
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46 /* ORIGINAL FILEHEADER:
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47 * player - command-line audio file player
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48 * Aug. 28 1991
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49 * by three unknown, unsung audio programmers
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50 * (well, only two are unsung)
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51 */
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52
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53 #include <config.h>
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54 #include "lisp.h"
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55
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563
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56 #include "sound.h"
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57
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428
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58 #ifdef HPUX10
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59 #include <Alib.h>
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60 #include <CUlib.h>
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61 #else /* !HPUX 10 */
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62 #include <audio/Alib.h>
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63 #include <audio/CUlib.h>
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64 #endif /* !HPUX 10 */
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65
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66
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428
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67 Lisp_Object Vhp_play_server;
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68 Lisp_Object Vhp_play_speaker;
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458
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69 Fixnum hp_play_gain;
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70
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71 /* Functions */
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72
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73 /* error handling */
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74 void
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75 player_error_internal (Audio * audio, Ascbyte * text, long errorCode)
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428
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76 {
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77 Extbyte errorbuff[132];
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867
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78 Ibyte *interr;
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79
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80 AGetErrorText (audio, errorCode, errorbuff, 131);
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81 EXTERNAL_TO_C_STRING (errorbuf, interr, Qnative);
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82
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83 signal_error (Qsound_error, text, build_string (interr));
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428
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84 }
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85
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86 long
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87 myHandler( Audio * audio, AErrorEvent * err_event)
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88 {
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89 player_error_internal(audio, "Internal sound error", err_event->error_code);
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90 return 1; /* Must return something, was orig. an exit */
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91 }
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92
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93 /* Playing */
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94 void
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2286
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95 play_bucket_internal( Audio *audio, SBucket *pSBucket, long UNUSED (volume))
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96 {
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97 SBPlayParams playParams;
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98 AGainEntry gainEntry;
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99 ATransID xid;
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100 long status;
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101
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102 playParams.priority = APriorityNormal; /* normal priority */
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103
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104 /*
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105 * We can't signal an error, because all h*ll would break loose if
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106 * we did.
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107 */
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108 if (EQ (Vhp_play_speaker, Qexternal))
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109 gainEntry.u.o.out_dst = AODTMonoJack;
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110 else
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111 gainEntry.u.o.out_dst = AODTMonoIntSpeaker;
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112
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113 gainEntry.u.o.out_ch = AOCTMono;
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114 gainEntry.gain = AUnityGain;
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115 playParams.gain_matrix.type = AGMTOutput; /* gain matrix */
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116 playParams.gain_matrix.num_entries = 1;
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117 playParams.gain_matrix.gain_entries = &gainEntry;
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118 playParams.play_volume = hp_play_gain; /* play volume */
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119 playParams.pause_first = False; /* don't pause */
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120 playParams.start_offset.type = ATTSamples; /* start offset 0 */
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121 playParams.start_offset.u.samples = 0;
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122 playParams.duration.type = ATTFullLength; /* play entire sample */
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123 playParams.loop_count = 1; /* play sample just once */
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124 playParams.previous_transaction = 0; /* no linked transaction */
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125 playParams.event_mask = 0; /* don't solicit any events */
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126
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563
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127 /*
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128 * play the sound bucket
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129 */
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130 xid = APlaySBucket( audio, pSBucket, &playParams, NULL );
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131
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563
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132 /*
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133 * set close mode to prevent playback from stopping
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134 * when we close audio connection
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135 */
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136 ASetCloseDownMode( audio, AKeepTransactions, &status );
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137
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563
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138 /*
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139 * That's all, folks!
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140 * Always destroy bucket and close connection.
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141 */
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142 ADestroySBucket( audio, pSBucket, &status );
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143 ACloseAudio( audio, &status );
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144 }
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145
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146 void
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147 play_sound_file (Extbyte * sound_file, int volume)
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148 {
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149 sbucket *pSBucket;
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150 Audio *audio;
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151 long status;
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152 AErrorHandler prevHandler; /* pointer to previous handler */
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153 Extbyte *server;
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154
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563
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155 if (STRINGP (Vhp_play_server))
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156 LISP_STRING_TO_EXTERNAL (Vhp_play_server, server, Qnative);
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157 else
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158 server = "";
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159
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563
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160 /*
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161 * open audio connection
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162 */
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163 audio = AOpenAudio( server, &status );
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164 if( status )
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165 {
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166 player_error_internal( audio, "Open audio failed", status );
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167 }
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168
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563
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169 /* replace default error handler */
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170 prevHandler = ASetErrorHandler(myHandler);
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171
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563
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172 /*
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173 * Load the audio file into a sound bucket
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174 */
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175
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563
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176 pSBucket = ALoadAFile( audio, sound_file, AFFUnknown, 0, NULL, NULL );
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177
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178 /*
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179 * Play the bucket
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180 */
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181
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182 play_bucket_internal(audio, pSBucket, volume);
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183
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184 ASetErrorHandler(prevHandler);
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185 }
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186
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187
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188 int
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189 play_sound_data (Binbyte * data, int UNUSED (length), int volume)
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190 {
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191 SBucket *pSBucket;
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192 Audio *audio;
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193 AErrorHandler prevHandler;
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194 SunHeader *header;
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195 long status;
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196 Extbyte *server;
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197 int result;
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198
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199 /* #### Finish this to return an error code.
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200 This function signal a lisp error. How consistent with the rest.
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201 What if this function is needed in doing the beep for the error?
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202
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203 Apparently the author of this didn't read the comment in
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204 Fplay_sound.
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205 */
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206
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207
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208 if (STRINGP (Vhp_play_server))
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209 LISP_STRING_TO_EXTERNAL (Vhp_play_server, server, Qnative);
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210 else
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211 server = "";
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212
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213 /* open audio connection */
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214 audio = AOpenAudio( server, &status );
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215 if(status)
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216 {
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217 player_error_internal( audio, "Open audio failed", status );
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218 }
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219
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220 /* replace default error handler */
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221 prevHandler = ASetErrorHandler (myHandler);
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222
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563
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223 /* Create sound bucket */
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224 header = (SunHeader *) data;
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225
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226 pSBucket = ACreateSBucket(audio, NULL, NULL, &status);
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227 if (status)
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228 player_error_internal( audio, "Bucket creation failed", status );
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229
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230 APutSBucketData(audio, pSBucket, 0, (CBinbyte *) (data + header->header_size), header->data_length, &status);
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231
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232 if (status)
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233 player_error_internal( audio, "Audio data copy failed", status );
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234
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235 /* Play sound */
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236 play_bucket_internal(audio, pSBucket, volume);
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237
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238 ASetErrorHandler(prevHandler);
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239 if (status)
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240 player_error_internal( audio, "Audio data copy failed", status );
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241
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242 return 1;
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243 }
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244
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245 void
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246 vars_of_hpplay (void)
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247 {
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248 DEFVAR_LISP ("hp-play-server", &Vhp_play_server /*
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249 A string, determining which server to play sound at.
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250 Note that this is specific to the HP sound implementation, and you should
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251 not make your functions depend on it.
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252 */ );
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253
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254 Vhp_play_server = Qnil;
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255
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256 DEFVAR_LISP ("hp-play-speaker", &Vhp_play_speaker /*
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257 If this variable is the symbol `external', sound is played externally.
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258 If the environment variable SPEAKER is set, that value is used for
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259 initializing this variable.
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260 Note that this is specific to the HP sound implementation, and you should
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261 not make your functions depend on it.
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262 */ );
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263
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264 Vhp_play_speaker = intern ("internal");
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265
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266 DEFVAR_INT ("hp-play-gain", &hp_play_gain /*
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267 Global gain value for playing sounds.
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268 Default value is AUnityGain which means keep level.
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269 Please refer to the HP documentation, for instance in
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270 `Using the Audio Application Program Interface', for details on how to
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271 interpret this variable.
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272 Note that this is specific to the HP sound implementation, and you should
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273 not make your functions depend on it.
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274 */ );
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275
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276 hp_play_gain = AUnityGain;
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277 }
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278
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279 void
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280 init_hpplay (void)
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281 {
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282 if (egetenv ("SPEAKER"))
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283 Vhp_play_speaker = intern (egetenv ("SPEAKER"));
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284 }
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