Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 765:1294df516d2e
Cleanups.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 05 Nov 2012 22:43:24 +0200 |
parents | 641b7693fecc |
children | 19e2745f75d8 |
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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/SidTune.h> |
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35 #else |
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36 # include <sidplay/sidplay2.h> |
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37 # include <sidplay/sidlazyiptr.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: |
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52 #ifdef HAVE_SIDPLAY2_FP |
765 | 53 sidplay2 *emu; |
54 sidbuilder *builder; | |
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55 #else |
765 | 56 SidIPtr<ISidplay2> emu; |
57 SidLazyIPtr<ISidUnknown> builder; | |
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58 #endif |
765 | 59 sid2_config_t config; |
60 SidTune *tune; | |
61 | |
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62 guint8 *buf; |
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63 size_t bufSize; |
695 | 64 |
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65 XSSIDPlay2(void); |
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66 virtual ~XSSIDPlay2(void) { ; } |
695 | 67 }; |
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68 |
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69 |
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70 #ifdef HAVE_RESID_BUILDER |
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71 # ifdef HAVE_SIDPLAY2_FP |
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72 # include <sidplayfp/builders/resid.h> |
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73 # else |
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74 # include <sidplay/builders/resid.h> |
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75 # endif |
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76 #endif |
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77 |
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78 #ifdef HAVE_HARDSID_BUILDER |
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79 # ifdef HAVE_SIDPLAY2_FP |
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80 # include <sidplayfp/builders/hardsid.h> |
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81 # else |
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82 # include <sidplay/builders/hardsid.h> |
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83 # endif |
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84 #endif |
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85 |
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86 |
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87 XSSIDPlay2::XSSIDPlay2(void) |
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88 #ifdef HAVE_SIDPLAY2_FP |
765 | 89 :emu(NULL) |
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90 #else |
765 | 91 :emu(sidplay2::create()) |
695 | 92 #endif |
93 { | |
765 | 94 tune = NULL; |
695 | 95 buf = NULL; |
96 bufSize = 0; | |
765 | 97 builder = NULL; |
695 | 98 } |
99 | |
100 | |
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101 /* We need to 'export' all this pseudo-C++ crap */ |
396 | 102 extern "C" { |
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103 |
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104 |
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105 /* Return song information |
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106 */ |
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107 #define TFUNCTION xs_sidplay2_getinfo |
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108 #define TFUNCTION2 xs_sidplay2_updateinfo |
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109 #define TTUNEINFO SidTuneInfo |
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110 #define TTUNE SidTune |
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111 #define TENGINE XSSIDPlay2 |
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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 */ |
751 | 117 gboolean xs_sidplay2_probe(XSFile *f) |
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118 { |
702 | 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 SIDPlay2 |
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134 */ |
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135 gboolean xs_sidplay2_init(XSEngineState * state) |
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136 { |
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137 XSSIDPlay2 *engine; |
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138 sid_filter_t tmpFilter; |
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139 xs_sid_filter_t *f; |
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140 assert(state); |
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141 |
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142 /* Allocate internal structures */ |
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143 engine = new XSSIDPlay2(); |
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144 state->internal = engine; |
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145 if (!engine) return FALSE; |
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146 |
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147 /* Initialize the engine */ |
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148 #ifdef HAVE_SIDPLAY2_FP |
765 | 149 engine->emu = new sidplay2; |
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150 #endif |
765 | 151 if (!engine->emu) |
152 { | |
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153 xs_error("[SIDPlay2] Could not initialize emulation engine.\n"); |
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154 return FALSE; |
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155 } |
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156 |
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157 /* Get current configuration */ |
765 | 158 engine->config = engine->emu->config(); |
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159 |
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160 /* Configure channels and stuff */ |
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161 switch (state->audioChannels) { |
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162 case XS_CHN_AUTOPAN: |
765 | 163 engine->config.playback = sid2_stereo; |
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164 break; |
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165 |
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166 case XS_CHN_STEREO: |
765 | 167 engine->config.playback = sid2_stereo; |
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168 break; |
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169 |
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170 case XS_CHN_MONO: |
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171 default: |
765 | 172 engine->config.playback = sid2_mono; |
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173 state->audioChannels = XS_CHN_MONO; |
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174 break; |
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175 } |
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176 |
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177 |
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178 /* Memory mode settings */ |
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179 switch (xs_cfg.memoryMode) { |
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180 case XS_MPU_BANK_SWITCHING: |
765 | 181 engine->config.environment = sid2_envBS; |
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182 break; |
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183 |
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184 case XS_MPU_TRANSPARENT_ROM: |
765 | 185 engine->config.environment = sid2_envTP; |
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186 break; |
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187 |
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188 case XS_MPU_PLAYSID_ENVIRONMENT: |
765 | 189 engine->config.environment = sid2_envPS; |
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190 break; |
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191 |
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192 case XS_MPU_REAL: |
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193 default: |
765 | 194 engine->config.environment = sid2_envR; |
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195 xs_cfg.memoryMode = XS_MPU_REAL; |
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196 break; |
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197 } |
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198 |
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199 |
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200 /* Audio parameters sanity checking and setup */ |
758 | 201 #ifdef HAVE_SIDPLAY2_FP |
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202 state->audioBitsPerSample = XS_RES_16BIT; |
765 | 203 engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
758 | 204 #else |
765 | 205 engine->config.precision = state->audioBitsPerSample; |
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206 #endif |
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207 |
765 | 208 engine->config.frequency = state->audioFrequency; |
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209 |
74 | 210 |
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211 switch (state->audioBitsPerSample) { |
758 | 212 #ifndef HAVE_SIDPLAY2_FP |
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213 case XS_RES_8BIT: |
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214 state->audioFormat = FMT_U8; |
765 | 215 engine->config.sampleFormat = SID2_LITTLE_UNSIGNED; |
758 | 216 break; |
74 | 217 #endif |
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218 |
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219 case XS_RES_16BIT: |
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220 default: |
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221 state->audioFormat = FMT_S16_NE; |
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222 #ifndef HAVE_SIDPLAY2_FP |
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223 switch (state->audioFormat) { |
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224 case FMT_U16_LE: |
765 | 225 engine->config.sampleFormat = SID2_LITTLE_UNSIGNED; |
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226 break; |
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227 |
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228 case FMT_U16_BE: |
765 | 229 engine->config.sampleFormat = SID2_BIG_UNSIGNED; |
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230 break; |
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231 |
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232 case FMT_U16_NE: |
765 | 233 engine->config.sampleFormat = SID2_NATIVE_UNSIGNED; |
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234 break; |
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235 |
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236 case FMT_S16_LE: |
765 | 237 engine->config.sampleFormat = SID2_LITTLE_SIGNED; |
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238 break; |
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239 |
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240 case FMT_S16_BE: |
765 | 241 engine->config.sampleFormat = SID2_BIG_SIGNED; |
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242 break; |
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243 |
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244 default: |
765 | 245 engine->config.sampleFormat = SID2_NATIVE_SIGNED; |
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246 break; |
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247 } |
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248 #endif |
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249 break; |
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250 } |
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251 |
765 | 252 #if !defined(HAVE_SIDPLAY2_FP) |
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253 /* Convert filter */ |
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254 f = &(xs_cfg.sid2Filter); |
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255 XSDEBUG("using filter '%s', %d points\n", f->name, f->npoints); |
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256 if (f->npoints > XS_SIDPLAY2_NFPOINTS) { |
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257 xs_error("[SIDPlay2] Invalid number of filter curve points (%d > %d)\n", |
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258 f->npoints, XS_SIDPLAY2_NFPOINTS); |
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259 f->npoints = XS_SIDPLAY2_NFPOINTS; |
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260 } |
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261 |
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262 tmpFilter.points = f->npoints; |
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263 for (i = 0; i < f->npoints; i++) { |
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264 tmpFilter.cutoff[i][0] = f->points[i].x; |
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265 tmpFilter.cutoff[i][1] = f->points[i].y; |
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266 } |
765 | 267 #endif |
352 | 268 |
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269 /* Initialize builder object */ |
765 | 270 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu->info()).maxsids); |
761 | 271 |
765 | 272 switch (xs_cfg.sid2Builder) |
273 { | |
364
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274 #ifdef HAVE_RESID_BUILDER |
765 | 275 case XS_BLD_RESID: |
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276 #ifdef HAVE_SIDPLAY2_FP |
765 | 277 { |
278 ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!"); | |
279 if (rs) | |
280 { | |
281 engine->builder = rs; | |
282 if (!*rs) return FALSE; | |
283 rs->create((engine->emu->info()).maxsids); | |
284 if (!*rs) return FALSE; | |
359
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285 |
765 | 286 /* |
287 if (m_filter.filterCurve6581) | |
288 rs->filter6581Curve(m_filter.filterCurve6581); | |
289 if (m_filter.filterCurve8580) | |
290 rs->filter8580Curve((double)m_filter.filterCurve8580); | |
291 */ | |
292 } | |
293 #else | |
294 engine->builder = ReSIDBuilderCreate("ReSID builder"); | |
295 SidLazyIPtr<IReSIDBuilder> rs(engine->builder); | |
296 if (rs) | |
297 { | |
298 engine->config.sidEmulation = rs->iaggregate(); | |
299 rs->create((engine->emu->info()).maxsids); | |
300 if (!*rs) return FALSE; | |
301 } | |
302 #endif | |
660
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303 } |
765 | 304 break; |
321
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305 #endif |
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306 |
321
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307 #ifdef HAVE_HARDSID_BUILDER |
765 | 308 case XS_BLD_HARDSID: |
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309 #ifdef HAVE_SIDPLAY2_FP |
765 | 310 { |
311 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)"); | |
312 engine->builder = (sidbuilder *) hs; | |
313 if (hs) | |
314 { | |
744
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315 #else |
765 | 316 engine->builder = HardSIDBuilderCreate("HardSID builder"); |
317 SidLazyIPtr<IHardSIDBuilder> hs(engine->builder); | |
318 if (hs) | |
319 { | |
320 engine->config.sidEmulation = hs->iaggregate(); | |
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321 #endif |
765 | 322 /* Builder object created, initialize it */ |
323 hs->create((engine->emu->info()).maxsids); | |
324 if (!*hs) | |
325 { | |
326 xs_error("hardSID->create() failed.\n"); | |
327 return FALSE; | |
328 } | |
329 } | |
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330 } |
765 | 331 break; |
332 #endif | |
333 | |
334 default: | |
335 xs_error("[SIDPlay2] Invalid or unsupported builder selected.\n"); | |
336 break; | |
337 } | |
359
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338 |
765 | 339 if (!engine->builder) |
340 { | |
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341 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n"); |
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342 return FALSE; |
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343 } |
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344 |
765 | 345 // Setup filter |
346 engine->builder->filter(xs_cfg.emulateFilters); | |
347 if (!*(engine->builder)) | |
348 { | |
349 xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters); | |
350 return FALSE; | |
351 } | |
352 | |
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353 #ifdef HAVE_SIDPLAY2_FP |
765 | 354 engine->config.sidEmulation = engine->builder; |
355 XSDEBUG("%s\n", engine->builder->credits()); | |
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356 #endif |
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357 |
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358 /* Clockspeed settings */ |
765 | 359 switch (xs_cfg.clockSpeed) |
360 { | |
361 case XS_CLOCK_NTSC: | |
362 engine->config.clockDefault = SID2_CLOCK_NTSC; | |
363 break; | |
366
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364 |
765 | 365 default: |
366 xs_error("[SIDPlay2] Invalid clockSpeed=%d, falling back to PAL.\n", | |
367 xs_cfg.clockSpeed); | |
402
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368 |
765 | 369 case XS_CLOCK_PAL: |
370 engine->config.clockDefault = SID2_CLOCK_PAL; | |
371 xs_cfg.clockSpeed = XS_CLOCK_PAL; | |
372 break; | |
660
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373 } |
366
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374 |
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375 |
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376 /* Configure rest of the emulation */ |
765 | 377 if (xs_cfg.forceSpeed) |
378 { | |
379 engine->config.clockForced = true; | |
380 engine->config.clockSpeed = engine->config.clockDefault; | |
381 } | |
382 else | |
383 { | |
384 engine->config.clockForced = false; | |
385 engine->config.clockSpeed = SID2_CLOCK_CORRECT; | |
660
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386 } |
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387 |
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388 |
761 | 389 #ifndef HAVE_SIDPLAY2_FP |
390 if (xs_cfg.sid2OptLevel < 0 || xs_cfg.sid2OptLevel > SID2_MAX_OPTIMISATION) | |
391 { | |
660
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392 xs_error("Invalid sid2OptLevel=%d, falling back to %d.\n", |
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393 xs_cfg.sid2OptLevel, SID2_DEFAULT_OPTIMISATION); |
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394 |
761 | 395 xs_cfg.sid2OptLevel = SID2_DEFAULT_OPTIMISATION; |
660
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396 } |
761 | 397 engine->currConfig.optimisation = xs_cfg.sid2OptLevel; |
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398 #endif |
366
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399 |
765 | 400 engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581; |
401 engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT; | |
402 engine->config.sidSamples = TRUE; | |
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403 |
660
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404 /* Now set the emulator configuration */ |
765 | 405 if (engine->emu->config(engine->config) < 0) |
406 { | |
660
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407 xs_error("[SIDPlay2] Emulator engine configuration failed!\n"); |
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408 return FALSE; |
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409 } |
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410 |
660
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411 return TRUE; |
364
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412 } |
73
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413 |
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414 |
270
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415 /* Close SIDPlay2 engine |
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416 */ |
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417 void xs_sidplay2_close(XSEngineState * state) |
364
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418 { |
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419 XSSIDPlay2 *engine; |
754
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420 assert(state); |
359
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421 |
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422 engine = (XSSIDPlay2 *) state->internal; |
359
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423 |
660
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424 /* Free internals */ |
765 | 425 if (engine->builder) { |
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426 #ifdef HAVE_SIDPLAY2_FP |
765 | 427 delete engine->builder; |
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428 #endif |
765 | 429 engine->builder = NULL; |
660
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430 } |
270
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431 |
744
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432 #ifdef HAVE_SIDPLAY2_FP |
765 | 433 if (engine->emu) |
434 { | |
435 delete engine->emu; | |
436 engine->emu = NULL; | |
660
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437 } |
692
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438 #endif |
270
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439 |
754
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440 xs_sidplay2_delete(state); |
359
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441 |
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442 delete engine; |
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443 state->internal = NULL; |
364
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444 } |
270
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445 |
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446 |
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447 /* Initialize current song and sub-tune |
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448 */ |
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449 gboolean xs_sidplay2_initsong(XSEngineState * state) |
364
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450 { |
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451 XSSIDPlay2 *engine; |
754
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452 assert(state); |
359
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453 |
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454 engine = (XSSIDPlay2 *) state->internal; |
754
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455 if (!engine) return FALSE; |
270
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456 |
765 | 457 if (!engine->tune->selectSong(state->currSong)) { |
458 xs_error("[SIDPlay2] tune->selectSong() failed\n"); | |
660
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459 return FALSE; |
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460 } |
359
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461 |
765 | 462 if (engine->emu->load(engine->tune) < 0) { |
463 xs_error("[SIDPlay2] emu->load() failed\n"); | |
660
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464 return FALSE; |
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465 } |
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466 |
754
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467 state->isInitialized = TRUE; |
359
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468 |
660
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469 return TRUE; |
364
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470 } |
270
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471 |
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472 |
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473 /* Emulate and render audio data to given buffer |
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474 */ |
754
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475 guint xs_sidplay2_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize) |
364
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476 { |
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477 XSSIDPlay2 *engine; |
754
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478 assert(state); |
270
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479 |
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480 engine = (XSSIDPlay2 *) state->internal; |
754
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481 if (!engine) return 0; |
270
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482 |
765 | 483 return engine->emu->play((short *) audioBuffer, audioBufSize / sizeof(short)); |
364
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484 } |
270
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485 |
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486 |
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487 /* Load a given SID-tune file |
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488 */ |
765 | 489 gboolean xs_sidplay2_load(XSEngineState * state, gchar * filename) |
364
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490 { |
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491 XSSIDPlay2 *engine; |
754
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492 assert(state); |
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493 state->isInitialized = FALSE; |
270
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494 |
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495 engine = (XSSIDPlay2 *) state->internal; |
754
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496 if (!engine) return FALSE; |
270
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497 |
765 | 498 if (xs_fload_buffer(filename, &(engine->buf), &(engine->bufSize)) != 0) |
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499 return FALSE; |
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500 |
765 | 501 if (!(engine->tune = new SidTune(filename))) |
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502 return FALSE; |
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503 |
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504 return TRUE; |
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505 } |
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506 |
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507 |
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508 /* Delete INTERNAL information |
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509 */ |
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510 void xs_sidplay2_delete(XSEngineState * state) |
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511 { |
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512 XSSIDPlay2 *engine; |
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513 assert(state); |
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514 |
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515 engine = (XSSIDPlay2 *) state->internal; |
765 | 516 if (!engine) |
517 return; | |
518 | |
519 if (engine->tune) | |
520 { | |
521 delete engine->tune; | |
522 engine->tune = NULL; | |
523 } | |
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524 |
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525 g_free(engine->buf); |
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526 engine->buf = NULL; |
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527 engine->bufSize = 0; |
526
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528 } |
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529 |
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530 |
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531 /* Hardware backend flushing |
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532 */ |
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533 void xs_sidplay2_flush(XSEngineState * state) |
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534 { |
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535 assert(state); |
526
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536 |
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537 #ifdef HAVE_HARDSID_BUILDER |
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538 #ifdef HSID_SID2_COM |
765 | 539 IfPtr<HardSIDBuilder> hs(state->builder); |
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540 if (hs) |
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541 hs->flush(); |
526
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542 #else |
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543 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
765 | 544 ((HardSIDBuilder *) state->builder)->flush(); |
526
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545 #endif |
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546 #endif |
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547 } |
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548 |
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549 |
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550 } /* extern "C" */ |
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551 #endif /* HAVE_SIDPLAY2 */ |