annotate src/xmms-sid.h @ 546:70fe31fe2bf5

Reordering cleanup and added constant for SIDPlay2 max # of filter coeffs.
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 23 Feb 2007 05:10:05 +0000
parents 6817f2a03b21
children 9494fee305fa
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1 /*
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)
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4 Main header file
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5
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dd201740a720 Changed copyright text.
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6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
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d2e6682d3ef8 Copyright year update
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7 (C) Copyright 1999-2007 Tecnic Software productions (TNSP)
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8
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9 This program is free software; you can redistribute it and/or modify
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10 it under the terms of the GNU General Public License as published by
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11 the Free Software Foundation; either version 2 of the License, or
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12 (at your option) any later version.
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13
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14 This program 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 along
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20 with this program; if not, write to the Free Software Foundation, Inc.,
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21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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22 */
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23 #ifndef XMMS_SID_H
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24 #define XMMS_SID_H
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25
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26 #include "xs_support.h"
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27 #include <pthread.h>
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29 #ifdef __cplusplus
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30 extern "C" {
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31 #endif
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32
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33 /*
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34 * Standard gettext macros.
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35 */
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36 #ifdef ENABLE_NLS
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37 # include <libintl.h>
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38 # undef _
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39 # define _(String) dgettext (PACKAGE, String)
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40 # ifdef gettext_noop
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41 # define N_(String) gettext_noop (String)
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42 # else
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43 # define N_(String) (String)
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44 # endif
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45 #else
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46 # define textdomain(String) (String)
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47 # define gettext(String) (String)
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48 # define dgettext(Domain,Message) (Message)
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49 # define dcgettext(Domain,Message,Type) (Message)
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50 # define bindtextdomain(Domain,Directory) (Domain)
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51 # define _(String) (String)
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52 # define N_(String) (String)
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53 #endif
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54
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55
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56 /*
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57 * Some constants and defines
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58 */
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59 /* #define to enable spurious debugging messages for development
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60 * purposes. Output goes to stderr. See also DEBUG_NP below.
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61 */
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62 #define DEBUG
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63
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64 /* Define to ISO C99 macro for debugging instead of varargs function.
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65 * This provides more useful information, but is incompatible with
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66 * older standards. If #undef'd, a varargs function is used instead.
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67 */
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68 #define DEBUG_NP
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69
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70 /* Define to enable non-portable thread and mutex debugging code.
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71 * You need to #define DEBUG also to make this useful.
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72 * (Works probably with GNU/Linux pthreads implementation only)
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73 */
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74 #undef XS_MUTEX_DEBUG
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76 /* HardSID-support is not working and is untested, thus we disable it here.
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77 */
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78 #undef HAVE_HARDSID_BUILDER
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79
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80 /* Size for some small buffers (always static variables) */
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81 #define XS_BUF_SIZE (1024)
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83 /* If defined, some dynamically allocated temp. buffers are used.
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84 * Static (#undef) might give slight performance gain,
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85 * but fails on systems with limited stack space. */
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86 #define XS_BUF_DYNAMIC
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87
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88 /* Configuration section identifier
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89 */
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90 #define XS_CONFIG_IDENT "XMMS-SID"
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91
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92 /* Default audio rendering frequency in Hz
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93 */
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94 #define XS_AUDIO_FREQ (44100)
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95
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96 /* Size of audio buffer. If you are experiencing lots of audio
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97 * "underruns" or clicks/gaps in output, try increasing this value.
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98 * Do notice, however, that it also affects the update frequency of
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99 * XMMS's visualization plugins...
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100 */
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101 #define XS_AUDIOBUF_SIZE (2*1024)
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102
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103 /* Size of data buffer used for SID-tune MD5 hash calculation.
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104 * If this is too small, the computed hash will be incorrect.
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105 * Largest SID files I've seen are ~70kB. */
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106 #define XS_SIDBUF_SIZE (80*1024)
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107
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108
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109 /* libSIDPlay1/2 constants (copied from internal headers/source)
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110 * For some stupid reason these are not available in public
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111 * headers, so we have to duplicate them here...
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112 */
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113 #define XS_SIDPLAY1_FS (400.0f)
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114 #define XS_SIDPLAY1_FM (60.0f)
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115 #define XS_SIDPLAY1_FT (0.05f)
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116
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117 #define XS_SIDPLAY2_NFPOINTS (0x800)
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118
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119
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120 /* Limits for oversampling
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121 */
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122 #define XS_MIN_OVERSAMPLE (2)
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123 #define XS_MAX_OVERSAMPLE (8)
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124
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125
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126 /* Macros for mutexes and threads. These exist to be able to
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127 * easily change from pthreads to glib threads, etc, if necessary.
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128 */
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129 #define XS_THREAD_T pthread_t
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130 #define XS_THREAD_EXIT(M) pthread_exit(M)
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131 #define XS_THREAD_JOIN(M) pthread_join(M, NULL)
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132 #define XS_MPP(M) M ## _mutex
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133 #if XS_MUTEX_DEBUG
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134 # define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; int M ## _qq;
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135 # define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M); extern int M ## _qq
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136 # define XS_MUTEX_LOCK(M) { M ## _qq = pthread_mutex_lock(&XS_MPP(M)); if (M ## _qq) XSDEBUG("XS_MUTEX_LOCK(" #M ") == %i\n", M ## _qq); }
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137 # define XS_MUTEX_UNLOCK(M) { M ## _qq = pthread_mutex_unlock(&XS_MPP(M)); if (M ## _qq) XSDEBUG("XS_MUTEX_UNLOCK(" #M ") == %i\n", M ## _qq); }
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138 #else
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139 # define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_MUTEX_INITIALIZER
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140 # define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M)
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141 # define XS_MUTEX_LOCK(M) pthread_mutex_lock(&XS_MPP(M))
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142 # define XS_MUTEX_UNLOCK(M) pthread_mutex_unlock(&XS_MPP(M))
241
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143 #endif
230
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144
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145 /* Shorthands for linked lists
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146 */
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147 #define LPREV (pNode->pPrev)
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148 #define LTHIS (pNode)
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149 #define LNEXT (pNode->pNext)
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150
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151
230
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152 /* Plugin-wide typedefs
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153 */
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154 typedef struct {
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155 gint tuneSpeed,
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156 tuneLength;
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157 gboolean tunePlayed;
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158 } t_xs_subtuneinfo;
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159
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160
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161 typedef struct {
230
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162 gchar *sidFilename,
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163 *sidName,
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164 *sidComposer,
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165 *sidCopyright,
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166 *sidFormat;
230
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167 gint loadAddr,
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168 initAddr,
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169 playAddr,
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170 dataFileLen,
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171 sidModel;
230
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172 gint nsubTunes, startTune;
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173 t_xs_subtuneinfo *subTunes;
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174 } t_xs_tuneinfo;
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175
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176
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177 /* Global variables
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178 */
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179 extern InputPlugin xs_plugin_ip;
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180
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181
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182 /* Plugin function prototypes
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183 */
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184 void xs_init(void);
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185 void xs_reinit(void);
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186 void xs_close(void);
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187 gint xs_is_our_file(gchar *);
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188 void xs_play_file(gchar *);
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189 void xs_stop(void);
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190 void xs_pause(short);
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191 void xs_seek(gint);
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192 gint xs_get_time(void);
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193 void xs_get_song_info(gchar *, gchar **, gint *);
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194 void xs_about(void);
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195
445
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196
459
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197 t_xs_tuneinfo *xs_tuneinfo_new(const gchar * pcFilename,
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198 gint nsubTunes, gint startTune, const gchar * sidName,
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199 const gchar * sidComposer, const gchar * sidCopyright,
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200 gint loadAddr, gint initAddr, gint playAddr,
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201 gint dataFileLen, const gchar *sidFormat, gint sidModel);
230
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202 void xs_tuneinfo_free(t_xs_tuneinfo *);
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203
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204 void xs_error(const char *, ...);
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205
427
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206
2ea3005a4b7f Conditional #definition of _()
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207 /* Debugging
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208 */
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209 #ifndef DEBUG_NP
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210 void XSDEBUG(const char *, ...);
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211 #else
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212 # ifdef DEBUG
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213 # define XSDEBUG(...) { fprintf(stderr, "XS[%s:%s:%d]: ", __FILE__, __FUNCTION__, (int) __LINE__); fprintf(stderr, __VA_ARGS__); }
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214 # else
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215 # define XSDEBUG(...) /* stub */
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216 # endif
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217 #endif
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218
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219 #ifdef __cplusplus
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220 }
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221 #endif
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fa95d942f226 Header cleanup; Moved some types from xmms-sid.h to xs_player.h; Renamed few functions.
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222 #endif /* XMMS_SID_H */