annotate src/xmms-sid.h @ 376:b20300813b42

Moved some #defines from xs_config.c to xmms-sid.h; Changed default SID specific title formatstring.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 09 Nov 2005 11:04:02 +0000
parents 4611f1194941
children b09d74eb71e6
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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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6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
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7 (C) Copyright 1999-2005 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
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20 along with this program; if not, write to the Free Software
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21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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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26 #ifdef HAVE_CONFIG_H
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27 #include <config.h>
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28 #endif
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30 #ifdef HAVE_ASSERT_H
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31 #include <assert.h>
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32 #else
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33 #define assert(x) /* stub */
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34 #endif
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36 #include <glib.h>
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37 #include <pthread.h>
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39 #ifdef __cplusplus
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40 extern "C" {
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41 #endif
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42
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43 #include <xmms/plugin.h>
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44
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45 /*
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46 * Some constants and defines
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47 */
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48 /* #define to enable spurious debugging messages for development
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49 * purposes. Output goes to stderr. See also DEBUG_NP below.
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50 */
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51 #define DEBUG
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52
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53 /* Define to ISO C99 macro for debugging instead of varargs function.
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54 * This provides more useful information, but is incompatible with
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55 * older standards. If #undef'd, a varargs function is used instead.
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56 */
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57 #define DEBUG_NP
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59 /* Define to enable non-portable thread and mutex debugging code.
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60 * You need to #define DEBUG also to make this useful.
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61 * (Works probably with GNU/Linux pthreads implementation only)
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62 */
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63 #undef XS_MUTEX_DEBUG
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65 /* HardSID-support is not working and is untested, thus we disable it here.
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66 */
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67 #undef HAVE_HARDSID_BUILDER
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68
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69 /* Size for some small buffers (always static variables) */
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70 #define XS_BUF_SIZE (1024)
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72 /* If defined, some dynamically allocated temp. buffers are used.
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73 * Static (#undef) might give slight performance gain,
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74 * but fails on systems with limited stack space. */
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75 #define XS_BUF_DYNAMIC
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76
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77 /* Size of audio buffer. If you are experiencing lots of audio
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78 * "underruns" or clicks/gaps in output, try increasing this value.
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79 * Do notice, however, that it also affects the update frequency of
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80 * XMMS's visualization plugins...
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81 */
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82 #define XS_AUDIOBUF_SIZE (2*1024)
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83
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84 /* Size of data buffer used for SID-tune MD5 hash calculation.
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85 * If this is too small, the computed hash will be incorrect.
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86 * Largest SID files I've seen are ~70kB. */
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87 #define XS_SIDBUF_SIZE (80*1024)
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90 /* libSIDPlay1 default filter values (copied from libsidplay1's headers) */
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91 #define XS_SIDPLAY1_FS (400.0f)
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92 #define XS_SIDPLAY1_FM (60.0f)
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93 #define XS_SIDPLAY1_FT (0.05f)
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96 #define XS_BIN_BAILOUT (32) /* Binary search bailout treshold */
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97
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98 #define XS_STIL_MAXENTRY (128) /* Max number of sub-songs in STIL/SLDB node */
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99
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100
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101 #define XS_CONFIG_IDENT "XMMS-SID" /* Configuration file identifier */
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102 #define XS_CONFIG_FILE "/.xmms/xmms-sid" /* Use this configfile if autocyrpe fails */
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103
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104 #define XS_MIN_OVERSAMPLE (2) /* Minimum oversampling factor */
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105 #define XS_MAX_OVERSAMPLE (8) /* Maximum oversampling factor */
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107
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108 /* Macros for mutexes and threads. These exist to be able to
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109 * easily change from pthreads to glib threads, etc, if necessary.
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110 */
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111 #define XS_MPP(M) M ## _mutex
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112 #if XS_MUTEX_DEBUG
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113 #define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; int M ## _qq;
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114 #define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M); extern int M ## _qq
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115 #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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116 #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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117 #else
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118 #define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_MUTEX_INITIALIZER
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119 #define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M)
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120 #define XS_MUTEX_LOCK(M) pthread_mutex_lock(&XS_MPP(M))
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121 #define XS_MUTEX_UNLOCK(M) pthread_mutex_unlock(&XS_MPP(M))
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122 #endif
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123
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124 /* Shorthands for linked lists
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125 */
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126 #define LPREV (pNode->pPrev)
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127 #define LTHIS (pNode)
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128 #define LNEXT (pNode->pNext)
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131 /* Plugin-wide typedefs
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132 */
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133 typedef struct {
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134 gint tuneSpeed;
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135 gint tuneLength;
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136 gchar *tuneTitle;
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137 } t_xs_subtuneinfo;
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140 typedef struct {
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141 gchar *sidFilename,
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142 *sidName,
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143 *sidComposer,
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144 *sidCopyright;
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145 gint loadAddr,
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146 initAddr,
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147 playAddr,
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148 dataFileLen;
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149 gint nsubTunes, startTune;
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150 t_xs_subtuneinfo *subTunes;
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151 } t_xs_tuneinfo;
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152
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153
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154 struct t_xs_status;
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155
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156 typedef struct {
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157 gint plrIdent;
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158 gboolean (*plrIsOurFile)(gchar *);
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159 gboolean (*plrInit)(struct t_xs_status *);
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160 void (*plrClose)(struct t_xs_status *);
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161 gboolean (*plrInitSong)(struct t_xs_status *);
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162 guint (*plrFillBuffer)(struct t_xs_status *, gchar *, guint);
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163 gboolean (*plrLoadSID)(struct t_xs_status *, gchar *);
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164 void (*plrDeleteSID)(struct t_xs_status *);
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165 t_xs_tuneinfo* (*plrGetSIDInfo)(gchar *);
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166 } t_xs_player;
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167
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168
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169 typedef struct t_xs_status {
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170 gint audioFrequency, /* Audio settings */
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171 audioChannels,
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172 audioBitsPerSample,
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173 oversampleFactor; /* Factor of oversampling */
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174 AFormat audioFormat;
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175 gboolean oversampleEnable; /* TRUE after sidEngine initialization,
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176 if xs_cfg.oversampleEnable == TRUE and
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177 emulation backend supports oversampling.
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178 */
230
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179 void *sidEngine; /* SID-emulation internal engine data */
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180 t_xs_player *sidPlayer; /* Selected player engine */
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181 gboolean isError, isPlaying;
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182 gint currSong, /* Current sub-tune */
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183 lastTime;
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184 t_xs_tuneinfo *tuneInfo;
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185 } t_xs_status;
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186
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187
230
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188 /* Global variables
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189 */
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190 extern InputPlugin xs_plugin_ip;
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191
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192 extern t_xs_status xs_status;
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193 XS_MUTEX_H(xs_status);
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194
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195
230
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196
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197 /* Plugin function prototypes
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198 */
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199 void xs_init(void);
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200 void xs_reinit(void);
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201 void xs_close(void);
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202 gint xs_is_our_file(gchar *);
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203 void xs_play_file(gchar *);
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204 void xs_stop(void);
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205 void xs_pause(short);
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206 void xs_seek(gint);
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207 gint xs_get_time(void);
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208 void xs_get_song_info(gchar *, gchar **, gint *);
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209 void xs_about(void);
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210
230
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211 t_xs_tuneinfo *xs_tuneinfo_new(gchar *, gint, gint, gchar *, gchar *, gchar *, gint, gint, gint, gint);
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212 void xs_tuneinfo_free(t_xs_tuneinfo *);
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213
300
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214 void XSERR(const char *, ...);
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215
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216 #ifndef DEBUG_NP
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217 void XSDEBUG(const char *, ...);
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218 #else
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219 #ifdef DEBUG
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220 #define XSDEBUG(...) { fprintf(stderr, "XS[%s:%s:%d]: ", __FILE__, __FUNCTION__, (int) __LINE__); fprintf(stderr, __VA_ARGS__); }
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221 #else
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222 #define XSDEBUG(...) /* stub */
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223 #endif
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224 #endif
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225
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226 #ifdef __cplusplus
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227 }
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228 #endif
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229 #endif /* _XMMS_SID_H */