Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 766:19e2745f75d8
Cosmetics and leftover cleanups.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 05 Nov 2012 22:44:29 +0200 |
parents | 1294df516d2e |
children | f145ba458acd |
rev | line source |
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1 /* |
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) |
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3 |
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4 libSIDPlay v2 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 # include <sidplay/sidlazyiptr.h> |
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39 # if G_BYTE_ORDER == G_BIG_ENDIAN |
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40 # define SID2_NATIVE_UNSIGNED SID2_BIG_UNSIGNED |
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41 # define SID2_NATIVE_SIGNED SID2_BIG_SIGNED |
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42 # elif G_BYTE_ORDER == G_LITTLE_ENDIAN |
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43 # define SID2_NATIVE_UNSIGNED SID2_LITTLE_UNSIGNED |
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44 # define SID2_NATIVE_SIGNED SID2_LITTLE_SIGNED |
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45 # else |
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46 # error Unsupported endianess! |
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47 # endif |
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48 #endif |
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49 |
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50 |
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51 class XSSIDPlay2 { |
695 | 52 public: |
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53 #ifdef HAVE_SIDPLAY2_FP |
765 | 54 sidplay2 *emu; |
55 sidbuilder *builder; | |
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56 #else |
765 | 57 SidIPtr<ISidplay2> emu; |
58 SidLazyIPtr<ISidUnknown> builder; | |
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59 #endif |
765 | 60 sid2_config_t config; |
61 SidTune *tune; | |
62 | |
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63 guint8 *buf; |
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64 size_t bufSize; |
695 | 65 |
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66 XSSIDPlay2(void); |
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67 virtual ~XSSIDPlay2(void) { ; } |
695 | 68 }; |
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69 |
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70 |
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71 #ifdef HAVE_RESID_BUILDER |
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72 # ifdef HAVE_SIDPLAY2_FP |
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73 # include <sidplayfp/builders/residfp.h> |
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74 # else |
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75 # include <sidplay/builders/resid.h> |
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76 # endif |
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77 #endif |
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78 |
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79 #ifdef HAVE_HARDSID_BUILDER |
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80 # ifdef HAVE_SIDPLAY2_FP |
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81 # include <sidplayfp/builders/hardsid.h> |
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82 # else |
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83 # include <sidplay/builders/hardsid.h> |
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84 # endif |
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85 #endif |
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86 |
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87 |
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88 XSSIDPlay2::XSSIDPlay2(void) |
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89 #ifdef HAVE_SIDPLAY2_FP |
765 | 90 :emu(NULL) |
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91 #else |
765 | 92 :emu(sidplay2::create()) |
695 | 93 #endif |
94 { | |
765 | 95 tune = NULL; |
695 | 96 buf = NULL; |
97 bufSize = 0; | |
765 | 98 builder = NULL; |
695 | 99 } |
100 | |
101 | |
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102 /* We need to 'export' all this pseudo-C++ crap */ |
396 | 103 extern "C" { |
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104 |
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105 |
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106 /* Return song information |
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107 */ |
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108 #define TFUNCTION xs_sidplay2_getinfo |
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109 #define TFUNCTION2 xs_sidplay2_updateinfo |
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110 #define TTUNEINFO SidTuneInfo |
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111 #define TTUNE SidTune |
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112 #define TENGINE XSSIDPlay2 |
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113 #include "xs_sidplay.h" |
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114 |
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115 |
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116 /* Check if we can play the given file |
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117 */ |
751 | 118 gboolean xs_sidplay2_probe(XSFile *f) |
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119 { |
702 | 120 gchar tmpBuf[5]; |
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121 |
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122 if (!f) return FALSE; |
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123 |
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124 if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4) |
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125 return FALSE; |
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126 |
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127 if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4)) |
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128 return TRUE; |
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129 else |
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130 return FALSE; |
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131 } |
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132 |
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133 |
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134 /* Initialize SIDPlay2 |
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135 */ |
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136 gboolean xs_sidplay2_init(XSEngineState * state) |
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137 { |
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138 XSSIDPlay2 *engine; |
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139 #ifndef HAVE_SIDPLAY2_FP |
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140 sid_filter_t tmpFilter; |
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141 xs_sid_filter_t *f; |
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142 gint i; |
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143 #endif |
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144 assert(state); |
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145 |
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146 /* Allocate internal structures */ |
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147 engine = new XSSIDPlay2(); |
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148 state->internal = engine; |
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149 if (!engine) return FALSE; |
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150 |
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151 /* Initialize the engine */ |
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152 #ifdef HAVE_SIDPLAY2_FP |
765 | 153 engine->emu = new sidplay2; |
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154 #endif |
765 | 155 if (!engine->emu) |
156 { | |
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157 xs_error("[SIDPlay2] Could not initialize emulation engine.\n"); |
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158 return FALSE; |
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159 } |
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160 |
660
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161 /* Get current configuration */ |
765 | 162 engine->config = engine->emu->config(); |
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163 |
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164 /* Configure channels and stuff */ |
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165 switch (state->audioChannels) |
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166 { |
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167 case XS_CHN_AUTOPAN: |
765 | 168 engine->config.playback = sid2_stereo; |
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169 break; |
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170 |
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171 case XS_CHN_STEREO: |
765 | 172 engine->config.playback = sid2_stereo; |
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173 break; |
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174 |
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175 case XS_CHN_MONO: |
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176 default: |
765 | 177 engine->config.playback = sid2_mono; |
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178 state->audioChannels = XS_CHN_MONO; |
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179 break; |
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180 } |
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181 |
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182 |
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183 /* Memory mode settings */ |
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184 switch (xs_cfg.memoryMode) |
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185 { |
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186 case XS_MPU_BANK_SWITCHING: |
765 | 187 engine->config.environment = sid2_envBS; |
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188 break; |
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189 |
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190 case XS_MPU_TRANSPARENT_ROM: |
765 | 191 engine->config.environment = sid2_envTP; |
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192 break; |
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193 |
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194 case XS_MPU_PLAYSID_ENVIRONMENT: |
765 | 195 engine->config.environment = sid2_envPS; |
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196 break; |
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197 |
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198 case XS_MPU_REAL: |
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199 default: |
765 | 200 engine->config.environment = sid2_envR; |
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201 xs_cfg.memoryMode = XS_MPU_REAL; |
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202 break; |
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203 } |
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204 |
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205 |
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206 /* Audio parameters sanity checking and setup */ |
758 | 207 #ifdef HAVE_SIDPLAY2_FP |
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208 state->audioBitsPerSample = XS_RES_16BIT; |
765 | 209 engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE; |
758 | 210 #else |
765 | 211 engine->config.precision = state->audioBitsPerSample; |
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212 #endif |
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213 |
765 | 214 engine->config.frequency = state->audioFrequency; |
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215 |
74 | 216 |
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217 switch (state->audioBitsPerSample) |
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218 { |
758 | 219 #ifndef HAVE_SIDPLAY2_FP |
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220 case XS_RES_8BIT: |
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221 state->audioFormat = FMT_U8; |
765 | 222 engine->config.sampleFormat = SID2_LITTLE_UNSIGNED; |
758 | 223 break; |
74 | 224 #endif |
359
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225 |
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226 case XS_RES_16BIT: |
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227 default: |
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228 state->audioFormat = FMT_S16_NE; |
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229 #ifndef HAVE_SIDPLAY2_FP |
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230 switch (state->audioFormat) |
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231 { |
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232 case FMT_U16_LE: |
765 | 233 engine->config.sampleFormat = SID2_LITTLE_UNSIGNED; |
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234 break; |
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235 |
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236 case FMT_U16_BE: |
765 | 237 engine->config.sampleFormat = SID2_BIG_UNSIGNED; |
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238 break; |
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239 |
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240 case FMT_U16_NE: |
765 | 241 engine->config.sampleFormat = SID2_NATIVE_UNSIGNED; |
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242 break; |
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243 |
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244 case FMT_S16_LE: |
765 | 245 engine->config.sampleFormat = SID2_LITTLE_SIGNED; |
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246 break; |
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247 |
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248 case FMT_S16_BE: |
765 | 249 engine->config.sampleFormat = SID2_BIG_SIGNED; |
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250 break; |
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251 |
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252 default: |
765 | 253 engine->config.sampleFormat = SID2_NATIVE_SIGNED; |
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254 break; |
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255 } |
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256 #endif |
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257 break; |
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258 } |
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259 |
765 | 260 #if !defined(HAVE_SIDPLAY2_FP) |
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261 /* Convert filter */ |
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262 f = &(xs_cfg.sid2Filter); |
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263 XSDEBUG("using filter '%s', %d points\n", f->name, f->npoints); |
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264 if (f->npoints > XS_SIDPLAY2_NFPOINTS) |
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265 { |
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266 xs_error("[SIDPlay2] Invalid number of filter curve points (%d > %d)\n", |
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267 f->npoints, XS_SIDPLAY2_NFPOINTS); |
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268 f->npoints = XS_SIDPLAY2_NFPOINTS; |
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269 } |
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270 |
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271 tmpFilter.points = f->npoints; |
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272 for (i = 0; i < f->npoints; i++) |
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273 { |
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274 tmpFilter.cutoff[i][0] = f->points[i].x; |
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275 tmpFilter.cutoff[i][1] = f->points[i].y; |
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276 } |
765 | 277 #endif |
352 | 278 |
660
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279 /* Initialize builder object */ |
765 | 280 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu->info()).maxsids); |
761 | 281 |
765 | 282 switch (xs_cfg.sid2Builder) |
283 { | |
364
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284 #ifdef HAVE_RESID_BUILDER |
765 | 285 case XS_BLD_RESID: |
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286 #ifdef HAVE_SIDPLAY2_FP |
765 | 287 { |
288 ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!"); | |
289 if (rs) | |
290 { | |
291 engine->builder = rs; | |
292 if (!*rs) return FALSE; | |
293 rs->create((engine->emu->info()).maxsids); | |
294 if (!*rs) return FALSE; | |
359
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295 |
765 | 296 /* |
297 if (m_filter.filterCurve6581) | |
298 rs->filter6581Curve(m_filter.filterCurve6581); | |
299 if (m_filter.filterCurve8580) | |
300 rs->filter8580Curve((double)m_filter.filterCurve8580); | |
301 */ | |
302 } | |
303 #else | |
304 engine->builder = ReSIDBuilderCreate("ReSID builder"); | |
305 SidLazyIPtr<IReSIDBuilder> rs(engine->builder); | |
306 if (rs) | |
307 { | |
308 engine->config.sidEmulation = rs->iaggregate(); | |
309 rs->create((engine->emu->info()).maxsids); | |
310 if (!*rs) return FALSE; | |
311 } | |
312 #endif | |
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313 } |
765 | 314 break; |
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315 #endif |
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316 |
321
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317 #ifdef HAVE_HARDSID_BUILDER |
765 | 318 case XS_BLD_HARDSID: |
744
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319 #ifdef HAVE_SIDPLAY2_FP |
765 | 320 { |
321 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)"); | |
322 engine->builder = (sidbuilder *) hs; | |
323 if (hs) | |
324 { | |
744
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325 #else |
765 | 326 engine->builder = HardSIDBuilderCreate("HardSID builder"); |
327 SidLazyIPtr<IHardSIDBuilder> hs(engine->builder); | |
328 if (hs) | |
329 { | |
330 engine->config.sidEmulation = hs->iaggregate(); | |
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331 #endif |
765 | 332 /* Builder object created, initialize it */ |
333 hs->create((engine->emu->info()).maxsids); | |
334 if (!*hs) | |
335 { | |
336 xs_error("hardSID->create() failed.\n"); | |
337 return FALSE; | |
338 } | |
339 } | |
660
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340 } |
765 | 341 break; |
342 #endif | |
343 | |
344 default: | |
345 xs_error("[SIDPlay2] Invalid or unsupported builder selected.\n"); | |
346 break; | |
347 } | |
359
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348 |
765 | 349 if (!engine->builder) |
350 { | |
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351 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n"); |
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352 return FALSE; |
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353 } |
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354 |
765 | 355 // Setup filter |
356 engine->builder->filter(xs_cfg.emulateFilters); | |
357 if (!*(engine->builder)) | |
358 { | |
359 xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters); | |
360 return FALSE; | |
361 } | |
362 | |
744
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363 #ifdef HAVE_SIDPLAY2_FP |
765 | 364 engine->config.sidEmulation = engine->builder; |
365 XSDEBUG("%s\n", engine->builder->credits()); | |
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366 #endif |
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367 |
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368 /* Clockspeed settings */ |
765 | 369 switch (xs_cfg.clockSpeed) |
370 { | |
371 case XS_CLOCK_NTSC: | |
372 engine->config.clockDefault = SID2_CLOCK_NTSC; | |
373 break; | |
366
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374 |
765 | 375 default: |
376 xs_error("[SIDPlay2] Invalid clockSpeed=%d, falling back to PAL.\n", | |
377 xs_cfg.clockSpeed); | |
402
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378 |
765 | 379 case XS_CLOCK_PAL: |
380 engine->config.clockDefault = SID2_CLOCK_PAL; | |
381 xs_cfg.clockSpeed = XS_CLOCK_PAL; | |
382 break; | |
660
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383 } |
366
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384 |
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385 |
660
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386 /* Configure rest of the emulation */ |
765 | 387 if (xs_cfg.forceSpeed) |
388 { | |
389 engine->config.clockForced = true; | |
390 engine->config.clockSpeed = engine->config.clockDefault; | |
391 } | |
392 else | |
393 { | |
394 engine->config.clockForced = false; | |
395 engine->config.clockSpeed = SID2_CLOCK_CORRECT; | |
660
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396 } |
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397 |
710
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398 |
761 | 399 #ifndef HAVE_SIDPLAY2_FP |
400 if (xs_cfg.sid2OptLevel < 0 || xs_cfg.sid2OptLevel > SID2_MAX_OPTIMISATION) | |
401 { | |
660
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402 xs_error("Invalid sid2OptLevel=%d, falling back to %d.\n", |
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403 xs_cfg.sid2OptLevel, SID2_DEFAULT_OPTIMISATION); |
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404 |
761 | 405 xs_cfg.sid2OptLevel = SID2_DEFAULT_OPTIMISATION; |
660
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406 } |
766
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407 engine->config.optimisation = xs_cfg.sid2OptLevel; |
710
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408 #endif |
366
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409 |
765 | 410 engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581; |
411 engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT; | |
412 engine->config.sidSamples = TRUE; | |
321
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413 |
660
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414 /* Now set the emulator configuration */ |
765 | 415 if (engine->emu->config(engine->config) < 0) |
416 { | |
660
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417 xs_error("[SIDPlay2] Emulator engine configuration failed!\n"); |
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418 return FALSE; |
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419 } |
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420 |
660
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421 return TRUE; |
364
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422 } |
73
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423 |
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424 |
270
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425 /* Close SIDPlay2 engine |
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426 */ |
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427 void xs_sidplay2_close(XSEngineState * state) |
364
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428 { |
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429 XSSIDPlay2 *engine; |
754
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430 assert(state); |
359
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431 |
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432 engine = (XSSIDPlay2 *) state->internal; |
359
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433 |
660
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434 /* Free internals */ |
765 | 435 if (engine->builder) { |
744
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436 #ifdef HAVE_SIDPLAY2_FP |
765 | 437 delete engine->builder; |
692
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438 #endif |
765 | 439 engine->builder = NULL; |
660
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440 } |
270
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441 |
744
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442 #ifdef HAVE_SIDPLAY2_FP |
765 | 443 if (engine->emu) |
444 { | |
445 delete engine->emu; | |
446 engine->emu = NULL; | |
660
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447 } |
692
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448 #endif |
270
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449 |
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450 xs_sidplay2_delete(state); |
359
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451 |
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452 delete engine; |
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453 state->internal = NULL; |
364
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454 } |
270
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455 |
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456 |
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457 /* Initialize current song and sub-tune |
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458 */ |
754
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459 gboolean xs_sidplay2_initsong(XSEngineState * state) |
364
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460 { |
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461 XSSIDPlay2 *engine; |
754
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462 assert(state); |
359
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463 |
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464 engine = (XSSIDPlay2 *) state->internal; |
754
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465 if (!engine) return FALSE; |
270
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466 |
765 | 467 if (!engine->tune->selectSong(state->currSong)) { |
468 xs_error("[SIDPlay2] tune->selectSong() failed\n"); | |
660
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469 return FALSE; |
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470 } |
359
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471 |
765 | 472 if (engine->emu->load(engine->tune) < 0) { |
473 xs_error("[SIDPlay2] emu->load() failed\n"); | |
660
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474 return FALSE; |
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475 } |
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476 |
754
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477 state->isInitialized = TRUE; |
359
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478 |
660
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479 return TRUE; |
364
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480 } |
270
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481 |
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482 |
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483 /* Emulate and render audio data to given buffer |
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484 */ |
754
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485 guint xs_sidplay2_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize) |
364
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486 { |
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487 XSSIDPlay2 *engine; |
754
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488 assert(state); |
270
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489 |
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490 engine = (XSSIDPlay2 *) state->internal; |
754
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491 if (!engine) return 0; |
270
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492 |
765 | 493 return engine->emu->play((short *) audioBuffer, audioBufSize / sizeof(short)); |
364
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494 } |
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495 |
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496 |
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497 /* Load a given SID-tune file |
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498 */ |
765 | 499 gboolean xs_sidplay2_load(XSEngineState * state, gchar * filename) |
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500 { |
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501 XSSIDPlay2 *engine; |
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502 assert(state); |
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503 state->isInitialized = FALSE; |
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504 |
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505 engine = (XSSIDPlay2 *) state->internal; |
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506 if (!engine) return FALSE; |
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507 |
765 | 508 if (xs_fload_buffer(filename, &(engine->buf), &(engine->bufSize)) != 0) |
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509 return FALSE; |
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510 |
765 | 511 if (!(engine->tune = new SidTune(filename))) |
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512 return FALSE; |
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513 |
660
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514 return TRUE; |
364
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515 } |
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516 |
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517 |
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518 /* Delete INTERNAL information |
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519 */ |
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520 void xs_sidplay2_delete(XSEngineState * state) |
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521 { |
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522 XSSIDPlay2 *engine; |
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523 assert(state); |
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524 |
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525 engine = (XSSIDPlay2 *) state->internal; |
765 | 526 if (!engine) |
527 return; | |
528 | |
529 if (engine->tune) | |
530 { | |
531 delete engine->tune; | |
532 engine->tune = NULL; | |
533 } | |
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534 |
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535 g_free(engine->buf); |
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536 engine->buf = NULL; |
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537 engine->bufSize = 0; |
526
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538 } |
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539 |
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540 |
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541 /* Hardware backend flushing |
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542 */ |
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543 void xs_sidplay2_flush(XSEngineState * state) |
526
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544 { |
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545 assert(state); |
526
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546 |
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547 #ifdef HAVE_HARDSID_BUILDER |
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548 #ifdef HSID_SID2_COM |
765 | 549 IfPtr<HardSIDBuilder> hs(state->builder); |
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550 if (hs) |
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551 hs->flush(); |
526
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552 #else |
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553 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) |
765 | 554 ((HardSIDBuilder *) state->builder)->flush(); |
526
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555 #endif |
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556 #endif |
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557 } |
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558 |
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559 |
660
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560 } /* extern "C" */ |
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561 #endif /* HAVE_SIDPLAY2 */ |