Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 820:778531e968ed
Clean up tune loading.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 07 Nov 2012 16:08:40 +0200 |
parents | ab3216b1b582 |
children | dea579b6c3b3 |
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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 and libSIDPlay v2-FP support |
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5 |
324 | 6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
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7 (C) Copyright 1999-2012 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 #include "xmms-sid.h" |
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24 |
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25 #ifdef HAVE_SIDPLAY2 |
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26 |
460 | 27 #include <stdio.h> |
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28 #include "xs_sidplay2.h" |
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29 #include "xs_config.h" |
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30 |
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31 |
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32 #ifdef HAVE_SIDPLAY2_FP |
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33 # include <sidplayfp/sidplay2.h> |
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34 # include <sidplayfp/SidTuneMod.h> |
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35 # include <sidplayfp/event.h> |
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36 #else |
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37 # include <sidplay/sidplay2.h> |
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38 # if G_BYTE_ORDER == G_BIG_ENDIAN |
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39 # define SID2_NATIVE_UNSIGNED SID2_BIG_UNSIGNED |
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40 # define SID2_NATIVE_SIGNED SID2_BIG_SIGNED |
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41 # elif G_BYTE_ORDER == G_LITTLE_ENDIAN |
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42 # define SID2_NATIVE_UNSIGNED SID2_LITTLE_UNSIGNED |
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43 # define SID2_NATIVE_SIGNED SID2_LITTLE_SIGNED |
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44 # else |
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45 # error Unsupported endianess! |
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46 # endif |
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47 #endif |
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48 |
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49 |
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50 class XSSIDPlay2 { |
695 | 51 public: |
770 | 52 sidplay2 emu; |
765 | 53 sid2_config_t config; |
820 | 54 SidTune tune; |
765 | 55 |
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56 XSSIDPlay2(void); |
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57 virtual ~XSSIDPlay2(void); |
695 | 58 }; |
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59 |
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60 |
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61 #ifdef HAVE_RESID_BUILDER |
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62 # ifdef HAVE_SIDPLAY2_FP |
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63 # include <sidplayfp/builders/residfp.h> |
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64 # include <sidplayfp/builders/resid.h> |
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65 # else |
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66 # include <sidplay/builders/resid.h> |
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67 # endif |
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68 #endif |
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69 |
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70 #ifdef HAVE_HARDSID_BUILDER |
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71 # ifdef HAVE_SIDPLAY2_FP |
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72 # include <sidplayfp/builders/hardsid.h> |
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73 # else |
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74 # include <sidplay/builders/hardsid.h> |
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75 # endif |
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76 #endif |
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77 |
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78 |
820 | 79 XSSIDPlay2::XSSIDPlay2(void) : tune(0) |
695 | 80 { |
81 } | |
82 | |
83 | |
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84 XSSIDPlay2::~XSSIDPlay2(void) |
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85 { |
820 | 86 emu.load(NULL); |
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87 } |
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88 |
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89 |
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90 /* We need to 'export' all this pseudo-C++ crap */ |
396 | 91 extern "C" { |
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92 |
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93 |
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94 /* Return song information |
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95 */ |
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96 #define TFUNCTION xs_sidplay2_getinfo |
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97 #define TFUNCTION2 xs_sidplay2_updateinfo |
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98 #define TTUNEINFO SidTuneInfo |
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99 #define TTUNE SidTune |
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100 #define TENGINE XSSIDPlay2 |
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101 #include "xs_sidplay.h" |
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102 |
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103 |
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104 /* Check if we can play the given file |
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105 */ |
751 | 106 gboolean xs_sidplay2_probe(XSFile *f) |
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107 { |
702 | 108 gchar tmpBuf[5]; |
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109 |
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110 if (!f) return FALSE; |
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111 |
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112 if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4) |
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113 return FALSE; |
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114 |
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115 if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4)) |
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116 return TRUE; |
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117 else |
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118 return FALSE; |
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119 } |
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120 |
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121 |
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122 /* Initialize SIDPlay2 |
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123 */ |
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124 gboolean xs_sidplay2_init(XSEngineState * state) |
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125 { |
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126 XSSIDPlay2 *engine; |
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127 #ifndef HAVE_SIDPLAY2_FP |
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128 sid_filter_t tmpFilter; |
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129 xs_sid_filter_t *f; |
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130 gint i; |
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131 #endif |
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132 assert(state); |
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133 |
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134 /* Allocate internal structures */ |
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135 engine = new XSSIDPlay2(); |
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136 state->internal = engine; |
770 | 137 if (!engine) |
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138 return FALSE; |
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139 |
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140 /* Get current configuration */ |
770 | 141 engine->config = engine->emu.config(); |
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142 |
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143 /* Configure channels and stuff */ |
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144 switch (state->audioChannels) |
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145 { |
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146 case XS_CHN_AUTOPAN: |
765 | 147 engine->config.playback = sid2_stereo; |
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148 break; |
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149 |
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150 case XS_CHN_STEREO: |
765 | 151 engine->config.playback = sid2_stereo; |
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152 break; |
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153 |
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154 case XS_CHN_MONO: |
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155 default: |
765 | 156 engine->config.playback = sid2_mono; |
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157 state->audioChannels = XS_CHN_MONO; |
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158 break; |
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159 } |
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160 |
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161 |
660
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162 /* Memory mode settings */ |
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163 switch (xs_cfg.memoryMode) |
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164 { |
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165 case XS_MPU_BANK_SWITCHING: |
765 | 166 engine->config.environment = sid2_envBS; |
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167 break; |
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168 |
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169 case XS_MPU_TRANSPARENT_ROM: |
765 | 170 engine->config.environment = sid2_envTP; |
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171 break; |
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172 |
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173 case XS_MPU_PLAYSID_ENVIRONMENT: |
765 | 174 engine->config.environment = sid2_envPS; |
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175 break; |
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176 |
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177 case XS_MPU_REAL: |
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178 default: |
765 | 179 engine->config.environment = sid2_envR; |
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180 xs_cfg.memoryMode = XS_MPU_REAL; |
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181 break; |
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182 } |
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183 |
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184 |
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185 /* Audio parameters sanity checking and setup */ |
758 | 186 #ifdef HAVE_SIDPLAY2_FP |
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187 state->audioBitsPerSample = XS_RES_16BIT; |
765 | 188 engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
758 | 189 #else |
765 | 190 engine->config.precision = state->audioBitsPerSample; |
744
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191 #endif |
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192 |
765 | 193 engine->config.frequency = state->audioFrequency; |
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194 |
74 | 195 |
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196 switch (state->audioBitsPerSample) |
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197 { |
758 | 198 #ifndef HAVE_SIDPLAY2_FP |
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199 case XS_RES_8BIT: |
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200 state->audioFormat = FMT_U8; |
765 | 201 engine->config.sampleFormat = SID2_LITTLE_UNSIGNED; |
758 | 202 break; |
74 | 203 #endif |
359
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204 |
757
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205 case XS_RES_16BIT: |
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206 default: |
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207 #ifdef HAVE_SIDPLAY2_FP |
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208 state->audioFormat = FMT_S16_NE; |
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209 #else |
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210 switch (state->audioFormat) |
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211 { |
757
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212 case FMT_U16_LE: |
765 | 213 engine->config.sampleFormat = SID2_LITTLE_UNSIGNED; |
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214 break; |
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215 |
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216 case FMT_U16_BE: |
765 | 217 engine->config.sampleFormat = SID2_BIG_UNSIGNED; |
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218 break; |
127
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219 |
757
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220 case FMT_U16_NE: |
765 | 221 engine->config.sampleFormat = SID2_NATIVE_UNSIGNED; |
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222 break; |
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223 |
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224 case FMT_S16_LE: |
765 | 225 engine->config.sampleFormat = SID2_LITTLE_SIGNED; |
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226 break; |
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227 |
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228 case FMT_S16_BE: |
765 | 229 engine->config.sampleFormat = SID2_BIG_SIGNED; |
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230 break; |
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231 |
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232 default: |
765 | 233 engine->config.sampleFormat = SID2_NATIVE_SIGNED; |
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234 break; |
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235 } |
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236 #endif |
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237 break; |
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238 } |
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239 |
765 | 240 #if !defined(HAVE_SIDPLAY2_FP) |
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241 /* Convert filter */ |
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242 f = &(xs_cfg.sid2Filter); |
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243 XSDEBUG("using filter '%s', %d points\n", f->name, f->npoints); |
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244 if (f->npoints > XS_SIDPLAY2_NFPOINTS) |
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245 { |
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246 xs_error("[SIDPlay2] Invalid number of filter curve points (%d > %d)\n", |
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247 f->npoints, XS_SIDPLAY2_NFPOINTS); |
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248 f->npoints = XS_SIDPLAY2_NFPOINTS; |
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249 } |
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250 |
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251 tmpFilter.points = f->npoints; |
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252 for (i = 0; i < f->npoints; i++) |
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253 { |
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254 tmpFilter.cutoff[i][0] = f->points[i].x; |
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255 tmpFilter.cutoff[i][1] = f->points[i].y; |
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256 } |
765 | 257 #endif |
352 | 258 |
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259 /* Initialize builder object */ |
770 | 260 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu.info()).maxsids); |
761 | 261 |
765 | 262 switch (xs_cfg.sid2Builder) |
263 { | |
364
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264 #ifdef HAVE_RESID_BUILDER |
765 | 265 case XS_BLD_RESID: |
773
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266 { |
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267 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); |
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268 if (rs) |
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269 { |
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270 engine->config.sidEmulation = rs; |
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271 if (!*rs) return FALSE; |
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272 rs->create((engine->emu.info()).maxsids); |
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273 if (!*rs) return FALSE; |
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274 #ifdef HAVE_SIDPLAY2_FP |
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275 rs->bias(0.0f); |
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276 #endif |
773
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277 } |
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278 } |
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279 break; |
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280 #endif |
773
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281 |
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282 #ifdef HAVE_RESID_FP_BUILDER |
773
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283 case XS_BLD_RESID_FP: |
765 | 284 { |
285 ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!"); | |
286 if (rs) | |
287 { | |
770 | 288 engine->config.sidEmulation = rs; |
765 | 289 if (!*rs) return FALSE; |
770 | 290 rs->create((engine->emu.info()).maxsids); |
765 | 291 if (!*rs) return FALSE; |
359
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292 |
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293 rs->filter6581Curve(0.0); |
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294 rs->filter8580Curve(0.0); |
765 | 295 } |
660
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296 } |
765 | 297 break; |
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298 #endif |
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299 |
321
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300 #ifdef HAVE_HARDSID_BUILDER |
765 | 301 case XS_BLD_HARDSID: |
302 { | |
303 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)"); | |
770 | 304 engine->config.sidEmulation = (sidbuilder *) hs; |
765 | 305 if (hs) |
306 { | |
770 | 307 hs->create((engine->emu.info()).maxsids); |
765 | 308 if (!*hs) |
309 { | |
310 xs_error("hardSID->create() failed.\n"); | |
311 return FALSE; | |
312 } | |
313 } | |
660
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314 } |
765 | 315 break; |
316 #endif | |
317 | |
318 default: | |
319 xs_error("[SIDPlay2] Invalid or unsupported builder selected.\n"); | |
320 break; | |
321 } | |
359
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322 |
770 | 323 if (!engine->config.sidEmulation) |
765 | 324 { |
660
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325 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n"); |
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326 return FALSE; |
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327 } |
321
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328 |
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329 #ifdef HAVE_SIDPLAY2_FP |
765 | 330 // Setup filter |
770 | 331 engine->config.sidEmulation->filter(xs_cfg.emulateFilters); |
332 if (!*(engine->config.sidEmulation)) | |
765 | 333 { |
334 xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters); | |
335 return FALSE; | |
336 } | |
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337 #endif |
765 | 338 |
770 | 339 XSDEBUG("%s\n", engine->config.sidEmulation->credits()); |
321
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340 |
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341 /* Clockspeed settings */ |
765 | 342 switch (xs_cfg.clockSpeed) |
343 { | |
344 case XS_CLOCK_NTSC: | |
345 engine->config.clockDefault = SID2_CLOCK_NTSC; | |
346 break; | |
366
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347 |
765 | 348 default: |
349 case XS_CLOCK_PAL: | |
350 engine->config.clockDefault = SID2_CLOCK_PAL; | |
351 xs_cfg.clockSpeed = XS_CLOCK_PAL; | |
352 break; | |
660
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353 } |
366
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354 |
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355 |
660
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356 /* Configure rest of the emulation */ |
765 | 357 if (xs_cfg.forceSpeed) |
358 { | |
359 engine->config.clockForced = true; | |
360 engine->config.clockSpeed = engine->config.clockDefault; | |
361 } | |
362 else | |
363 { | |
364 engine->config.clockForced = false; | |
365 engine->config.clockSpeed = SID2_CLOCK_CORRECT; | |
660
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366 } |
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367 |
710
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368 |
761 | 369 #ifndef HAVE_SIDPLAY2_FP |
370 if (xs_cfg.sid2OptLevel < 0 || xs_cfg.sid2OptLevel > SID2_MAX_OPTIMISATION) | |
371 { | |
660
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372 xs_error("Invalid sid2OptLevel=%d, falling back to %d.\n", |
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373 xs_cfg.sid2OptLevel, SID2_DEFAULT_OPTIMISATION); |
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374 |
761 | 375 xs_cfg.sid2OptLevel = SID2_DEFAULT_OPTIMISATION; |
660
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376 } |
766
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377 engine->config.optimisation = xs_cfg.sid2OptLevel; |
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378 #endif |
366
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379 |
765 | 380 engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581; |
381 engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT; | |
382 engine->config.sidSamples = TRUE; | |
321
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383 |
660
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384 return TRUE; |
364
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385 } |
73
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386 |
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387 |
270
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388 /* Close SIDPlay2 engine |
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389 */ |
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390 void xs_sidplay2_close(XSEngineState * state) |
364
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391 { |
769 | 392 XSSIDPlay2 *engine = (XSSIDPlay2 *) state->internal; |
359
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393 |
775
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394 xs_sidplay2_delete(state); |
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395 |
770 | 396 if (engine) |
397 { | |
398 delete engine; | |
775
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399 engine = NULL; |
660
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400 } |
270
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401 |
754
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402 state->internal = NULL; |
364
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403 } |
270
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404 |
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405 |
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406 /* Initialize current song and sub-tune |
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407 */ |
754
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408 gboolean xs_sidplay2_initsong(XSEngineState * state) |
364
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409 { |
768 | 410 XSSIDPlay2 *engine = (XSSIDPlay2 *) state->internal; |
359
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411 |
768 | 412 if (!engine) |
413 return FALSE; | |
270
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414 |
820 | 415 if (!engine->tune.selectSong(state->currSong)) |
769 | 416 { |
820 | 417 xs_error("[SIDPlay2] tune.selectSong() failed\n"); |
418 return FALSE; | |
419 } | |
420 | |
421 if (engine->emu.load(&(engine->tune)) < 0) | |
422 { | |
423 xs_error("[SIDPlay2] emu.load() failed\n"); | |
660
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424 return FALSE; |
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425 } |
359
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|
426 |
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427 if (engine->emu.config(engine->config) < 0) |
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428 { |
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429 xs_error("[SIDPlay2] Emulator engine configuration failed!\n"); |
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430 return FALSE; |
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431 } |
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432 |
660
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433 return TRUE; |
364
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434 } |
270
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435 |
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436 |
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437 /* Emulate and render audio data to given buffer |
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438 */ |
754
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439 guint xs_sidplay2_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize) |
364
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440 { |
768 | 441 XSSIDPlay2 *engine = (XSSIDPlay2 *) state->internal; |
270
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442 |
768 | 443 if (!engine) |
444 return 0; | |
270
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445 |
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446 #if 1 |
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447 #ifdef HAVE_SIDPLAY2_FP |
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448 int nsamples = audioBufSize / sizeof(short); |
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449 return engine->emu.play((short *) audioBuffer, nsamples) * sizeof(short); |
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450 #else |
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451 return engine->emu.play(audioBuffer, audioBufSize); |
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452 #endif |
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453 #else |
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454 int nsamples = audioBufSize / sizeof(short); |
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455 fprintf(stderr, "%p, %d -> %d\n", audioBuffer, audioBufSize, nsamples); |
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456 return 0; |
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457 #endif |
364
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458 } |
270
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459 |
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460 |
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461 /* Load a given SID-tune file |
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462 */ |
765 | 463 gboolean xs_sidplay2_load(XSEngineState * state, gchar * filename) |
364
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464 { |
768 | 465 XSSIDPlay2 *engine = (XSSIDPlay2 *) state->internal; |
466 | |
820 | 467 if (!engine || !filename) |
768 | 468 return FALSE; |
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469 |
820 | 470 engine->tune.load(filename); |
471 if (!engine->tune) | |
472 { | |
473 xs_error("Could not load file '%s': %s\n", | |
474 filename, (engine->tune.getInfo()).statusString); | |
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475 return FALSE; |
820 | 476 } |
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477 |
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478 return TRUE; |
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479 } |
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480 |
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481 |
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482 /* Delete INTERNAL information |
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483 */ |
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484 void xs_sidplay2_delete(XSEngineState * state) |
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485 { |
768 | 486 XSSIDPlay2 *engine = (XSSIDPlay2 *) state->internal; |
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487 } |
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488 |
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489 |
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490 /* Hardware backend flushing |
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491 */ |
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492 void xs_sidplay2_flush(XSEngineState * state) |
526
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493 { |
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494 XSSIDPlay2 *engine = (XSSIDPlay2 *) state->internal; |
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495 |
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496 #ifdef HAVE_HARDSID_BUILDER |
768 | 497 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
498 { | |
526
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499 #ifdef HSID_SID2_COM |
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500 IfPtr<HardSIDBuilder> hs(engine->config.sidEmulation); |
768 | 501 if (hs) |
502 hs->flush(); | |
526
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503 #else |
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504 ((HardSIDBuilder *) engine->config.sidEmulation)->flush(); |
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505 #endif |
768 | 506 } |
526
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507 #endif |
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508 } |
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509 |
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510 |
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511 } /* extern "C" */ |
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512 #endif /* HAVE_SIDPLAY2 */ |