Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 103:fe83646e6baa
Changed plrFillBuffer()-functions to return actual number of samples computed.
Rudimentary changes for return of fileinfo window.
Minor tweaks for STILdb.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sun, 11 Jan 2004 17:42:00 +0000 |
parents | 4614f58ab169 |
children | ddb513bd2610 |
rev | line source |
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1 /* |
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) |
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3 |
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4 libSIDPlay v2 support |
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5 |
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6 Written by Matti "ccr" Hamalainen <ccr@tnsp.org> |
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7 |
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8 This program is free software; you can redistribute it and/or modify |
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9 it under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation; either version 2 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 This program is distributed in the hope that it will be useful, |
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with this program; if not, write to the Free Software |
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20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 */ |
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22 #include "xmms-sid.h" |
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23 |
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24 #ifdef HAVE_SIDPLAY2 |
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25 |
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26 extern "C" { |
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27 #include "xs_sidplay2.h" |
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28 #include <stdio.h> |
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29 #include <xmms/titlestring.h> |
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30 #include "xs_config.h" |
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31 #include "xs_support.h" |
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32 #include "xs_length.h" |
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33 } |
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34 |
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35 #include <sidplay/sidplay2.h> |
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36 #ifdef HAVE_RESID_BUILDER |
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37 #include <sidplay/builders/resid.h> |
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38 #endif |
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39 #ifdef HAVE_HARDSID_BUILDER |
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40 #include <sidplay/builders/hardsid.h> |
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41 #endif |
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42 |
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43 |
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44 typedef struct { |
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45 sidplay2 *currEng; |
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46 sidbuilder *currBuilder; |
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47 sid2_config_t currConfig; |
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48 SidTune *currTune; |
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49 } t_xs_sidplay2; |
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50 |
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51 |
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52 /* |
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53 * We need to 'export' all this pseudo-C++ crap |
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54 */ |
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55 extern "C" { |
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56 |
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57 |
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58 /* |
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59 * Check if we can play the given file |
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60 */ |
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61 gboolean xs_sidplay2_isourfile(gchar *pcFilename) |
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62 { |
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63 SidTune *testTune = new SidTune(pcFilename); |
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64 |
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65 if (!testTune) return FALSE; |
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66 if (!testTune->getStatus()) |
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67 { |
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68 delete testTune; |
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69 return FALSE; |
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70 } |
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71 |
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72 delete testTune; |
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73 return TRUE; |
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74 } |
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75 |
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76 |
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77 /* |
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78 * Initialize SIDPlay2 |
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79 */ |
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80 gboolean xs_sidplay2_init(t_xs_status *myStatus) |
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81 { |
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82 t_xs_sidplay2 *myPlayer; |
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83 assert(myStatus); |
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84 |
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85 /* Allocate internal structures */ |
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86 myPlayer = (t_xs_sidplay2 *) g_malloc0(sizeof(t_xs_sidplay2)); |
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87 if (!myPlayer) return FALSE; |
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88 |
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89 |
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90 /* Initialize the engine */ |
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91 myPlayer->currEng = new sidplay2; |
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92 if (!myPlayer->currEng) |
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93 { |
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94 XSERR("Could not initialize libSIDPlay2 emulation engine\n"); |
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95 return FALSE; |
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96 } |
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97 |
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98 /* Initialize builder object */ |
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99 XSDEBUG("init builder #%i\n", xs_cfg.sid2Builder); |
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100 #ifdef HAVE_RESID_BUILDER |
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101 if (xs_cfg.sid2Builder == XS_BLD_RESID) |
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102 { |
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103 ReSIDBuilder *tmpb = new ReSIDBuilder("SIDPlay2 suxx and is made by a fag - ReSID builder"); |
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104 |
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105 /* Create the builder -- WHAT IS THIS MEANT FOR??? */ |
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106 tmpb->create(myPlayer->currEng->info().maxsids); |
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107 |
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108 myPlayer->currBuilder = (sidbuilder *) tmpb; |
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109 } |
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110 #endif |
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111 #ifdef HAVE_HARDSID_BUILDER |
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112 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
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113 { |
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114 } |
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115 #endif |
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116 |
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117 if (!myPlayer->currBuilder) |
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118 { |
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119 XSERR("Could not initialize SIDBuilder object.\n"); |
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120 return FALSE; |
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121 } |
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122 |
75
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123 XSDEBUG("%s\n", myPlayer->currBuilder->credits()); |
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124 |
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125 |
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126 /* Create the sidtune */ |
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127 myPlayer->currTune = new SidTune(0); |
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128 if (!myPlayer->currTune) |
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129 { |
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130 XSERR("Could not initialize SIDTune object.\n"); |
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131 return FALSE; |
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132 } |
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133 |
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134 /* OK */ |
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135 myStatus->player = myPlayer; |
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136 return TRUE; |
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137 } |
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138 |
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139 |
75
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140 /* |
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141 * Close SIDPlay2 |
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142 */ |
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143 void xs_sidplay2_close(t_xs_status *myStatus) |
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144 { |
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145 t_xs_sidplay2 *myPlayer; |
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146 assert(myStatus); |
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147 |
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148 /* Free internals */ |
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149 myPlayer = (t_xs_sidplay2 *) myStatus->player; |
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150 |
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151 if (myPlayer->currBuilder) |
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152 { |
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153 delete myPlayer->currBuilder; |
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154 myPlayer->currBuilder = NULL; |
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155 } |
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156 |
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157 if (myPlayer->currEng) |
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158 { |
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159 delete myPlayer->currEng; |
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160 myPlayer->currEng = NULL; |
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161 } |
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162 |
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163 if (myPlayer->currTune) |
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164 { |
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165 delete myPlayer->currTune; |
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166 myPlayer->currTune = NULL; |
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167 } |
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168 |
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169 xs_sidplay2_deletesid(myStatus); |
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170 |
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171 g_free(myPlayer); |
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172 myStatus->player = NULL; |
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173 } |
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174 |
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175 |
73
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176 gboolean xs_sidplay2_initsong(t_xs_status *myStatus) |
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177 { |
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178 t_xs_sidplay2 *myPlayer = (t_xs_sidplay2 *) myStatus->player; |
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179 |
75
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180 if (!myPlayer) return FALSE; |
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181 |
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182 if (!myPlayer->currTune->selectSong(myStatus->currSong)) |
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183 { |
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184 XSERR("ENGINE selectSong() failed\n"); |
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185 return FALSE; |
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186 } |
73
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187 |
75
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188 if (myPlayer->currEng->load(myPlayer->currTune) < 0) |
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189 { |
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190 XSERR("ENGINE load() failed\n"); |
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191 return FALSE; |
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192 } |
73
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193 |
75
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194 return TRUE; |
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195 } |
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196 |
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197 |
103
fe83646e6baa
Changed plrFillBuffer()-functions to return actual number of samples computed.
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198 guint xs_sidplay2_fillbuffer(t_xs_status *myStatus, gchar *audioBuffer, guint audioBufSize) |
73
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199 { |
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200 t_xs_sidplay2 *myPlayer = (t_xs_sidplay2 *) myStatus->player; |
103
fe83646e6baa
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|
201 guint nData, i; |
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202 guchar *p; |
73
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203 |
103
fe83646e6baa
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|
204 nData = myPlayer->currEng->play(audioBuffer, audioBufSize); |
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101
diff
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|
205 |
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|
206 if ((nData > 0) && (myPlayer->currConfig.precision == 8)) |
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207 { |
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208 /* SIDPlay2 only outputs SIGNED 8bit, so we need to convert it */ |
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209 i = nData; |
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101
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|
210 p = (guchar *) audioBuffer; |
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101
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211 while (i--) *(p++) ^= 0x80; |
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diff
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|
212 } |
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101
diff
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|
213 |
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|
214 return nData; |
73
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215 } |
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|
216 |
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217 |
87
94497283affa
Various fixes and improvements
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|
218 gboolean xs_sidplay2_loadsid(t_xs_status *myStatus, gchar *pcFilename) |
73
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219 { |
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220 t_xs_sidplay2 *myPlayer = (t_xs_sidplay2 *) myStatus->player; |
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|
221 assert(myStatus); |
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222 |
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|
223 /* Try to get the tune */ |
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224 if (!pcFilename) return FALSE; |
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225 if (!myPlayer->currTune->load(pcFilename)) return FALSE; |
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226 |
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227 /* Get current configuration */ |
74 | 228 myPlayer->currConfig = myPlayer->currEng->config(); |
73
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229 |
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230 /* Configure channels and stuff */ |
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231 switch (xs_cfg.fmtChannels) { |
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232 |
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233 case XS_CHN_AUTOPAN: |
74 | 234 myPlayer->currConfig.playback = sid2_stereo; |
73
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235 break; |
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236 |
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237 case XS_CHN_STEREO: |
74 | 238 myPlayer->currConfig.playback = sid2_stereo; |
73
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239 break; |
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240 |
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241 case XS_CHN_MONO: |
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242 default: |
74 | 243 myPlayer->currConfig.playback = sid2_mono; |
73
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244 break; |
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245 } |
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246 |
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247 |
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248 /* Memory mode settings */ |
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249 switch (xs_cfg.memoryMode) { |
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250 case XS_MPU_BANK_SWITCHING: |
74 | 251 myPlayer->currConfig.environment = sid2_envBS; |
73
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252 break; |
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253 |
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254 case XS_MPU_TRANSPARENT_ROM: |
74 | 255 myPlayer->currConfig.environment = sid2_envTP; |
73
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256 break; |
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257 |
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258 case XS_MPU_PLAYSID_ENVIRONMENT: |
74 | 259 myPlayer->currConfig.environment = sid2_envPS; |
73
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260 break; |
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261 |
74 | 262 case XS_MPU_REAL: |
73
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263 default: |
74 | 264 myPlayer->currConfig.environment = sid2_envR; |
73
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265 break; |
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266 } |
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267 |
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268 |
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269 /* Clockspeed settings */ |
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270 switch (xs_cfg.clockSpeed) { |
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271 case XS_CLOCK_NTSC: |
74 | 272 myPlayer->currConfig.clockSpeed = myPlayer->currConfig.clockDefault = SID2_CLOCK_NTSC; |
73
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273 break; |
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274 |
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275 case XS_CLOCK_PAL: |
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276 default: |
74 | 277 myPlayer->currConfig.clockSpeed = myPlayer->currConfig.clockDefault = SID2_CLOCK_PAL; |
73
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278 break; |
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279 } |
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280 |
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281 |
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282 /* Configure rest of the emulation */ |
75
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283 myPlayer->currConfig.sidEmulation = myPlayer->currBuilder; |
74 | 284 myPlayer->currConfig.precision = xs_cfg.fmtBitsPerSample; |
285 myPlayer->currConfig.frequency = xs_cfg.fmtFrequency; | |
75
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286 myPlayer->currConfig.clockForced = xs_cfg.forceSpeed; |
78
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287 myPlayer->currConfig.optimisation = (xs_cfg.sid2OptLevel) ? 1 : 0; |
75
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288 myPlayer->currConfig.sidDefault = myPlayer->currConfig.sidModel = (xs_cfg.mos8580) ? SID2_MOS8580 : SID2_MOS6581; |
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289 myPlayer->currConfig.sidSamples = TRUE; // FIXME FIX ME, make configurable! |
74 | 290 |
73
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291 #ifdef HAVE_UNSIGNEDPCM |
74 | 292 #ifdef WORDS_BIGENDIAN |
103
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101
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293 myPlayer->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
73
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294 #else |
103
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101
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295 myPlayer->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
73
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296 #endif |
74 | 297 #else |
298 #ifdef WORDS_BIGENDIAN | |
103
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101
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299 myPlayer->currConfig.sampleFormat = SID2_BIG_SIGNED; |
74 | 300 #else |
103
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101
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301 myPlayer->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
74 | 302 #endif |
303 #endif | |
73
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304 |
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305 /* Now set the emulator configuration */ |
75
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|
306 if (myPlayer->currEng->config(myPlayer->currConfig) < 0) |
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|
307 { |
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|
308 XSERR("Emulator engine configuration failed!\n"); |
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|
309 return FALSE; |
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|
310 } |
73
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311 |
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|
312 return TRUE; |
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|
313 } |
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|
314 |
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|
315 |
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|
316 /* |
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|
317 * Delete tune |
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|
318 */ |
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319 void xs_sidplay2_deletesid(t_xs_status *myStatus) |
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320 { |
75
653c9b0d1320
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74
diff
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|
321 assert(myStatus); |
73
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322 |
87
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323 /* With the current scheme of handling sidtune-loading, we don't do anything here. */ |
73
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|
324 } |
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|
325 |
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|
326 |
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|
327 /* |
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|
328 * Return song information |
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|
329 */ |
87
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|
330 #define TFUNCTION1 xs_sidplay2_filetitle |
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|
331 #define TFUNCTION2 xs_sidplay2_getsidinfo |
94497283affa
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|
332 #define TTUNEINFO SidTuneInfo |
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|
333 #define TTUNE SidTune |
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|
334 #include "xs_sidplay.h" |
73
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|
335 |
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|
336 } /* extern "C" */ |
2bc607888f53
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|
337 #endif /* HAVE_SIDPLAY2 */ |