Mercurial > hg > xmms-sid
annotate src/xs_sidplayfp.cpp @ 847:5b93bd8c7814
Cleanups, adjust backend configuration sequences, more error checking,
improved debug output.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 08 Nov 2012 22:44:36 +0200 |
parents | ae1f6418d093 |
children | 2663b1ac9ce6 |
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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 libSIDPlay2-FP support |
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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 1999-2012 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_SIDPLAYFP |
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26 |
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27 #include "xs_sidplayfp.h" |
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28 #include "xs_slsup.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_SIDPLAYFP_V1 |
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33 # include <sidplayfp/SidTune.h> |
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34 # include <sidplayfp/sidplayfp.h> |
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35 # include <sidplayfp/event.h> |
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36 # include <sidplayfp/SidConfig.h> |
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37 # include <sidplayfp/SidTuneInfo.h> |
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38 #else |
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39 # include <sidplayfp/sidplay2.h> |
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40 # include <sidplayfp/SidTuneMod.h> |
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41 # include <sidplayfp/event.h> |
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42 #endif |
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43 |
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44 |
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45 class XSSIDPlayFP { |
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46 public: |
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47 #ifdef HAVE_SIDPLAYFP_V1 |
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48 sidplayfp emu; |
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49 SidConfig config; |
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50 #else |
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51 sidplay2 emu; |
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52 sid2_config_t config; |
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53 #endif |
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54 SidTuneMod tune; |
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55 |
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56 XSSIDPlayFP(void); |
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57 virtual ~XSSIDPlayFP(void); |
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58 }; |
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59 |
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60 |
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61 #ifdef HAVE_RESID_FP_BUILDER |
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62 # include <sidplayfp/builders/residfp.h> |
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63 #endif |
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64 |
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65 #ifdef HAVE_RESID_FP_BUILDER |
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66 # include <sidplayfp/builders/resid.h> |
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67 #endif |
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68 |
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69 #ifdef HAVE_HARDSID_BUILDER |
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70 # include <sidplayfp/builders/hardsid.h> |
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71 #endif |
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72 |
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73 |
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74 XSSIDPlayFP::XSSIDPlayFP(void) : tune(0) |
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75 { |
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76 } |
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77 |
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78 |
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79 XSSIDPlayFP::~XSSIDPlayFP(void) |
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80 { |
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81 emu.load(NULL); |
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82 } |
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83 |
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84 |
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85 /* We need to 'export' all this pseudo-C++ crap */ |
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86 extern "C" { |
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87 |
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88 |
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89 /* Return song information |
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90 */ |
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91 #define TFUNCTION xs_sidplayfp_getinfo |
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92 #define TFUNCTION2 xs_sidplayfp_updateinfo |
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93 #define TENGINE XSSIDPlayFP |
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94 #define TTUNEINFO SidTuneInfo |
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95 #define TTUNE SidTune |
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96 |
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97 #ifdef HAVE_SIDPLAYFP_V1 |
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98 #define sid2_mono SidConfig::MONO |
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99 #define sid2_stereo SidConfig::STEREO |
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100 #define SID2_MOS8580 SidConfig::MOS8580 |
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101 #define SID2_MOS6581 SidConfig::MOS6581 |
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102 #define SID2_CLOCK_PAL SidConfig::CLOCK_PAL |
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103 #define SID2_CLOCK_NTSC SidConfig::CLOCK_NTSC |
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104 #define SIDTUNE_CLOCK_UNKNOWN SidTuneInfo::CLOCK_UNKNOWN |
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105 #define SIDTUNE_CLOCK_PAL SidTuneInfo::CLOCK_PAL |
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106 #define SIDTUNE_CLOCK_NTSC SidTuneInfo::CLOCK_NTSC |
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107 #define SIDTUNE_CLOCK_ANY SidTuneInfo::CLOCK_ANY |
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108 #define SIDTUNE_SPEED_VBI SidTuneInfo::SPEED_VBI |
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109 #define SIDTUNE_SPEED_CIA_1A SidTuneInfo::SPEED_CIA_1A |
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110 #endif |
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111 |
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112 #include "xs_sidplay.h" |
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113 |
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114 |
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115 /* Check if we can play the given file |
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116 */ |
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117 gboolean xs_sidplayfp_probe(XSFile *f) |
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118 { |
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119 gchar tmpBuf[5]; |
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120 |
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121 if (!f) return FALSE; |
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122 |
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123 if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4) |
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124 return FALSE; |
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125 |
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126 if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4)) |
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127 return TRUE; |
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128 else |
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129 return FALSE; |
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130 } |
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131 |
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132 |
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133 /* Initialize SIDPlayFP |
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134 */ |
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135 gboolean xs_sidplayfp_init(XSEngineState * state) |
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136 { |
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137 XSSIDPlayFP *engine; |
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138 assert(state); |
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139 |
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140 XSDEBUG("SIDPlayFP backend initializing.\n"); |
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141 |
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142 /* Allocate internal structures */ |
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143 engine = new XSSIDPlayFP(); |
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144 state->internal = engine; |
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145 if (!engine) |
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146 return FALSE; |
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147 |
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148 /* Get current configuration */ |
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149 XSDEBUG("SIDPlayFP emulation configuration\n"); |
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150 engine->config = engine->emu.config(); |
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151 |
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152 /* Configure channels and stuff */ |
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153 engine->config.playback = (state->audioChannels == XS_CHN_MONO) ? sid2_mono : sid2_stereo; |
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154 |
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155 /* Audio parameters sanity checking and setup */ |
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156 state->audioBitsPerSample = XS_RES_16BIT; |
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157 engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
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158 engine->config.frequency = state->audioFrequency; |
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159 |
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160 /* Clockspeed settings */ |
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161 switch (xs_cfg.clockSpeed) |
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162 { |
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163 case XS_CLOCK_NTSC: |
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164 engine->config.clockDefault = SID2_CLOCK_NTSC; |
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165 break; |
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166 |
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167 default: |
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168 case XS_CLOCK_PAL: |
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169 engine->config.clockDefault = SID2_CLOCK_PAL; |
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170 xs_cfg.clockSpeed = XS_CLOCK_PAL; |
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171 break; |
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172 } |
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173 |
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174 |
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175 /* Configure rest of the emulation */ |
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176 engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581; |
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177 engine->config.clockForced = xs_cfg.forceSpeed; |
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178 |
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179 #ifndef HAVE_SIDPLAYFP_V1 |
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180 engine->config.sidSamples = TRUE; |
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181 engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT; |
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182 engine->config.clockSpeed = xs_cfg.forceSpeed ? engine->config.clockDefault : SID2_CLOCK_CORRECT; |
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183 #endif |
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184 |
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185 /* Initialize builder object */ |
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186 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu.info()).maxsids); |
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187 |
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188 switch (xs_cfg.sid2Builder) |
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189 { |
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190 #if 0 |
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191 #ifdef HAVE_RESID_BUILDER |
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192 case XS_BLD_RESID: |
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193 { |
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194 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); |
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195 #ifdef HAVE_SIDPLAYFP_V1 |
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196 if (rs && rs->getStatus()) |
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197 { |
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198 } |
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199 #else |
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200 if (rs && *rs) |
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201 { |
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202 engine->config.sidEmulation = rs; |
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203 if (!(*rs)) return FALSE; |
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204 rs->create((engine->emu.info()).maxsids); |
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205 if (!(*rs)) return FALSE; |
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206 rs->bias(0.0f); |
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207 } |
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208 #endif // HAVE_SIDPLAYFP_V1 |
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209 } |
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210 break; |
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|
211 #endif // HAVE_RESID_BUILDER |
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212 #endif |
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213 |
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214 #ifdef HAVE_RESID_FP_BUILDER |
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215 case XS_BLD_RESID_FP: |
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216 { |
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217 ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!"); |
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218 if (rs && *rs) |
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219 { |
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220 engine->config.sidEmulation = rs; |
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221 if (!(*rs)) return FALSE; |
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222 rs->create((engine->emu.info()).maxsids); |
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223 if (!(*rs)) return FALSE; |
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224 |
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225 rs->filter6581Curve(0.0); |
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226 rs->filter8580Curve(0.0); |
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227 } |
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|
228 } |
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229 break; |
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|
230 #endif |
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231 |
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232 #ifdef HAVE_HARDSID_BUILDER |
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233 case XS_BLD_HARDSID: |
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234 { |
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235 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)"); |
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236 engine->config.sidEmulation = (sidbuilder *) hs; |
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237 if (hs) |
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238 { |
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239 hs->create((engine->emu.info()).maxsids); |
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240 if (!*hs) |
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|
241 { |
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|
242 xs_error("hardSID->create() failed.\n"); |
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243 return FALSE; |
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244 } |
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245 } |
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246 } |
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247 break; |
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248 #endif |
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249 |
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250 default: |
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251 xs_error("[SIDPlayFP] Invalid or unsupported builder selected.\n"); |
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252 return FALSE; |
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253 } |
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254 |
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255 if (!engine->config.sidEmulation) |
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256 { |
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257 xs_error("[SIDPlayFP] Could not initialize SIDBuilder object.\n"); |
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258 return FALSE; |
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259 } |
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260 |
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261 // Setup filter |
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262 engine->config.sidEmulation->filter(xs_cfg.emulateFilters); |
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263 if (!*(engine->config.sidEmulation)) |
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264 { |
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265 xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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266 return FALSE; |
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267 } |
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268 |
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269 XSDEBUG("%s\n", engine->config.sidEmulation->credits()); |
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270 |
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271 |
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272 return TRUE; |
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273 } |
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274 |
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275 |
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276 /* Close SIDPlayFP engine |
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277 */ |
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278 void xs_sidplayfp_close(XSEngineState * state) |
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279 { |
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280 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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281 |
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282 XSDEBUG("SIDPlayFP backend shutdown.\n"); |
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283 |
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284 xs_sidplayfp_delete(state); |
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285 |
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286 if (engine) |
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287 { |
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288 delete engine; |
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289 engine = NULL; |
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290 } |
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291 |
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292 state->internal = NULL; |
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293 } |
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294 |
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295 |
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296 /* Initialize current song and sub-tune |
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297 */ |
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298 gboolean xs_sidplayfp_initsong(XSEngineState * state) |
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299 { |
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300 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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301 |
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302 if (!engine) |
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303 return FALSE; |
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304 |
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305 if (!engine->tune.selectSong(state->currSong)) |
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306 { |
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307 xs_error("[SIDPlayFP] tune.selectSong() failed\n"); |
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308 return FALSE; |
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309 } |
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310 |
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311 if (engine->emu.load(&(engine->tune)) < 0) |
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312 { |
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313 xs_error("[SIDPlayFP] emu.load() failed\n"); |
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314 return FALSE; |
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315 } |
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316 |
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317 if (engine->emu.config(engine->config) < 0) |
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318 { |
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319 xs_error("[SIDPlayFP] Emulator engine configuration failed!\n"); |
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320 return FALSE; |
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321 } |
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322 |
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323 return TRUE; |
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324 } |
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325 |
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326 |
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327 /* Emulate and render audio data to given buffer |
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328 */ |
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329 guint xs_sidplayfp_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize) |
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330 { |
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331 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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332 |
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333 if (!engine) |
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334 return 0; |
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335 |
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336 #if 1 |
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337 int nsamples = audioBufSize / sizeof(short); |
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338 return engine->emu.play((short *) audioBuffer, nsamples) * sizeof(short); |
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339 #else |
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340 int nsamples = audioBufSize / sizeof(short); |
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341 fprintf(stderr, "%p, %d -> %d\n", audioBuffer, audioBufSize, nsamples); |
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342 return 0; |
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343 #endif |
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344 } |
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345 |
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346 |
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347 /* Load a given SID-tune file |
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348 */ |
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349 gboolean xs_sidplayfp_load(XSEngineState * state, gchar * filename) |
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350 { |
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351 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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352 |
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353 if (!engine || !filename) |
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354 return FALSE; |
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355 |
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356 engine->tune.load(filename); |
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357 if (!engine->tune) |
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358 { |
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359 xs_error("Could not load file '%s': %s\n", |
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360 filename, (engine->tune.getInfo()).statusString); |
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361 return FALSE; |
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362 } |
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363 |
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364 return TRUE; |
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365 } |
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366 |
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367 |
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368 /* Delete INTERNAL information |
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369 */ |
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370 void xs_sidplayfp_delete(XSEngineState * state) |
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371 { |
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372 (void) state; |
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373 // XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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374 } |
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375 |
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376 |
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377 /* Hardware backend flushing |
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378 */ |
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379 void xs_sidplayfp_flush(XSEngineState * state) |
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380 { |
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381 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; |
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382 |
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383 #ifdef HAVE_HARDSID_BUILDER |
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384 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
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385 { |
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386 ((HardSIDBuilder *) engine->config.sidEmulation)->flush(); |
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387 } |
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388 #endif |
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389 } |
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390 |
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391 |
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392 } /* extern "C" */ |
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393 #endif /* HAVE_SIDPLAYFP */ |