annotate src/xs_sidplayfp.cpp @ 835:d508c7c4bc69

Add libSIDPlay2-FP backend interface module.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 08 Nov 2012 20:47:49 +0200
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children ae1f6418d093
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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-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_SIDPLAY2_FP
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26
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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_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_SIDPLAY2_FP_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 SidTune 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_BUILDER
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62 # include <sidplayfp/builders/residfp.h>
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63 # include <sidplayfp/builders/resid.h>
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64 #endif
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65
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66 #ifdef HAVE_HARDSID_BUILDER
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67 # include <sidplayfp/builders/hardsid.h>
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68 #endif
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69
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70
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71 XSSIDPlayFP::XSSIDPlayFP(void) : tune(0)
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72 {
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73 }
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74
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75
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76 XSSIDPlayFP::~XSSIDPlayFP(void)
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77 {
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78 emu.load(NULL);
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79 }
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80
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81
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82 /* We need to 'export' all this pseudo-C++ crap */
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83 extern "C" {
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84
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85
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86 /* Return song information
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87 */
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88 #define TFUNCTION xs_sidplayfp_getinfo
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89 #define TFUNCTION2 xs_sidplayfp_updateinfo
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90 #define TENGINE XSSIDPlayFP
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91 #define TTUNEINFO SidTuneInfo
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92 #define TTUNE SidTune
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93
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94 #ifdef HAVE_SIDPLAY2_FP_V1
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95 #define sid2_mono SidConfig::MONO
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96 #define sid2_stereo SidConfig::STEREO
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97 #define SID2_MOS8580 SidConfig::MOS8580
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98 #define SID2_MOS6581 SidConfig::MOS6581
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99 #define SID2_CLOCK_PAL SidConfig::CLOCK_PAL
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100 #define SID2_CLOCK_NTSC SidConfig::CLOCK_NTSC
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101 #define SIDTUNE_CLOCK_UNKNOWN SidTuneInfo::CLOCK_UNKNOWN
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102 #define SIDTUNE_CLOCK_PAL SidTuneInfo::CLOCK_PAL
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103 #define SIDTUNE_CLOCK_NTSC SidTuneInfo::CLOCK_NTSC
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104 #define SIDTUNE_CLOCK_ANY SidTuneInfo::CLOCK_ANY
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105 #define SIDTUNE_SPEED_VBI SidTuneInfo::SPEED_VBI
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106 #define SIDTUNE_SPEED_CIA_1A SidTuneInfo::SPEED_CIA_1A
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107 #endif
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108
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109 #include "xs_sidplay.h"
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110
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111
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112 /* Check if we can play the given file
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113 */
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114 gboolean xs_sidplayfp_probe(XSFile *f)
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115 {
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116 gchar tmpBuf[5];
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117
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118 if (!f) return FALSE;
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119
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120 if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4)
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121 return FALSE;
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122
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123 if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4))
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124 return TRUE;
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125 else
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126 return FALSE;
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127 }
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128
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129
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130 /* Initialize SIDPlay2
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131 */
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132 gboolean xs_sidplayfp_init(XSEngineState * state)
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133 {
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134 XSSIDPlayFP *engine;
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135 assert(state);
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136
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137 /* Allocate internal structures */
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138 engine = new XSSIDPlayFP();
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139 state->internal = engine;
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140 if (!engine)
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141 return FALSE;
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142
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143 /* Get current configuration */
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parents:
diff changeset
144 engine->config = engine->emu.config();
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
145
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
146 /* Configure channels and stuff */
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parents:
diff changeset
147 engine->config.playback = (state->audioChannels == XS_CHN_MONO) ? sid2_mono : sid2_stereo;
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parents:
diff changeset
148
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
149 /* Audio parameters sanity checking and setup */
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parents:
diff changeset
150 state->audioBitsPerSample = XS_RES_16BIT;
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parents:
diff changeset
151 engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
152 engine->config.frequency = state->audioFrequency;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
153
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
154 /* Initialize builder object */
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
155 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu.info()).maxsids);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
156
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
157 switch (xs_cfg.sid2Builder)
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parents:
diff changeset
158 {
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
159 #ifdef HAVE_RESID_BUILDER
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
160 case XS_BLD_RESID:
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
161 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
162 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder");
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
163 #ifdef HAVE_SIDPLAY2_FP_V1
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
164 if (rs && rs->getStatus())
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parents:
diff changeset
165 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
166 }
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parents:
diff changeset
167 #else
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
168 if (rs)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
169 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
170 engine->config.sidEmulation = rs;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
171 if (!*rs) return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
172 rs->create((engine->emu.info()).maxsids);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
173 if (!*rs) return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
174 rs->bias(0.0f);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
175 }
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
176 #endif // HAVE_SIDPLAY2_FP_V1
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parents:
diff changeset
177 }
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 break;
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179 #endif // HAVE_RESID_BUILDER
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diff changeset
180
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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parents:
diff changeset
181
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
182 #ifdef HAVE_RESID_FP_BUILDER
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
183 case XS_BLD_RESID_FP:
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
184 {
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
185 ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!");
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
186 if (rs)
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
187 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
188 engine->config.sidEmulation = rs;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
189 if (!*rs) return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
190 rs->create((engine->emu.info()).maxsids);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
191 if (!*rs) return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
192
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
193 rs->filter6581Curve(0.0);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
194 rs->filter8580Curve(0.0);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
195 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
196 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
197 break;
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
198 #endif
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
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diff changeset
199
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
200 #ifdef HAVE_HARDSID_BUILDER
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
201 case XS_BLD_HARDSID:
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
202 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
203 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)");
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
204 engine->config.sidEmulation = (sidbuilder *) hs;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
205 if (hs)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
206 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
207 hs->create((engine->emu.info()).maxsids);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
208 if (!*hs)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
209 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
210 xs_error("hardSID->create() failed.\n");
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
211 return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
212 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
213 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
214 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
215 break;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
216 #endif
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
217
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
218 default:
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
219 xs_error("[SIDPlay2] Invalid or unsupported builder selected.\n");
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
220 break;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
221 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
222
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
223 if (!engine->config.sidEmulation)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
224 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
225 xs_error("[SIDPlay2] Could not initialize SIDBuilder object.\n");
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
226 return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
227 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
228
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
229 // Setup filter
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
230 engine->config.sidEmulation->filter(xs_cfg.emulateFilters);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
231 if (!*(engine->config.sidEmulation))
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
232 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
233 xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
234 return FALSE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
235 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
236
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
237 XSDEBUG("%s\n", engine->config.sidEmulation->credits());
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
238
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
239 /* Clockspeed settings */
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
240 switch (xs_cfg.clockSpeed)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
241 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
242 case XS_CLOCK_NTSC:
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
243 engine->config.clockDefault = SID2_CLOCK_NTSC;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
244 break;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
246 default:
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247 case XS_CLOCK_PAL:
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
248 engine->config.clockDefault = SID2_CLOCK_PAL;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
249 xs_cfg.clockSpeed = XS_CLOCK_PAL;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
250 break;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
251 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
252
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
253
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
254 /* Configure rest of the emulation */
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
255 engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
256 engine->config.clockForced = xs_cfg.forceSpeed;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
257
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
258 #ifndef HAVE_SIDPLAY2_FP_V1
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
259 engine->config.sidSamples = TRUE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
260 engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
261 engine->config.clockSpeed = xs_cfg.forceSpeed ? engine->config.clockDefault : SID2_CLOCK_CORRECT;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
262 #endif
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
263
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
264 return TRUE;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
265 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
266
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
267
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
268 /* Close SIDPlay2 engine
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
269 */
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
270 void xs_sidplayfp_close(XSEngineState * state)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
271 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
272 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
273
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
274 xs_sidplayfp_delete(state);
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
275
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
276 if (engine)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
277 {
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
278 delete engine;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
279 engine = NULL;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
280 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
281
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
282 state->internal = NULL;
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
283 }
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
284
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
285
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
286 /* Initialize current song and sub-tune
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
287 */
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
288 gboolean xs_sidplayfp_initsong(XSEngineState * state)
d508c7c4bc69 Add libSIDPlay2-FP backend interface module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
289 {
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290 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal;
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291
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292 if (!engine)
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293 return FALSE;
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294
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295 if (!engine->tune.selectSong(state->currSong))
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296 {
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297 xs_error("[SIDPlay2] tune.selectSong() failed\n");
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298 return FALSE;
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299 }
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300
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301 if (engine->emu.load(&(engine->tune)) < 0)
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302 {
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303 xs_error("[SIDPlay2] emu.load() failed\n");
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304 return FALSE;
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305 }
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306
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307 if (engine->emu.config(engine->config) < 0)
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308 {
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309 xs_error("[SIDPlay2] Emulator engine configuration failed!\n");
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310 return FALSE;
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311 }
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312
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313 return TRUE;
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314 }
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315
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316
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317 /* Emulate and render audio data to given buffer
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318 */
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319 guint xs_sidplayfp_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize)
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320 {
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321 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal;
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322
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323 if (!engine)
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324 return 0;
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325
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326 #if 1
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327 int nsamples = audioBufSize / sizeof(short);
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328 return engine->emu.play((short *) audioBuffer, nsamples) * sizeof(short);
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329 #else
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330 int nsamples = audioBufSize / sizeof(short);
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331 fprintf(stderr, "%p, %d -> %d\n", audioBuffer, audioBufSize, nsamples);
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332 return 0;
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333 #endif
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334 }
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335
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336
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337 /* Load a given SID-tune file
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338 */
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339 gboolean xs_sidplayfp_load(XSEngineState * state, gchar * filename)
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340 {
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341 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal;
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342
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343 if (!engine || !filename)
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344 return FALSE;
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345
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346 engine->tune.load(filename);
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347 if (!engine->tune)
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348 {
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349 xs_error("Could not load file '%s': %s\n",
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350 filename, (engine->tune.getInfo()).statusString);
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351 return FALSE;
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352 }
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353
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354 return TRUE;
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355 }
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356
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357
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358 /* Delete INTERNAL information
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359 */
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360 void xs_sidplayfp_delete(XSEngineState * state)
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361 {
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362 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal;
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363 }
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364
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365
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366 /* Hardware backend flushing
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367 */
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368 void xs_sidplayfp_flush(XSEngineState * state)
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369 {
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370 XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal;
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371
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372 #ifdef HAVE_HARDSID_BUILDER
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373 if (xs_cfg.sid2Builder == XS_BLD_HARDSID)
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374 {
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375 ((HardSIDBuilder *) engine->config.sidEmulation)->flush();
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376 }
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377 #endif
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378 }
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379
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380
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381 } /* extern "C" */
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382 #endif /* HAVE_SIDPLAY2_FP */