Mercurial > hg > xmms-sid
annotate src/xs_sidplay2.cc @ 359:b1a858b8cb1a
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author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 07 Nov 2005 09:50:04 +0000 |
parents | 2b4ca75b999f |
children | 421e4fc13bce |
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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 support |
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5 |
324 | 6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
7 (C) Copyright 1999-2005 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 |
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20 along with this program; if not, write to the Free Software |
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21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 |
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27 #include "xs_sidplay2.h" |
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28 #include <stdio.h> |
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29 #include "xs_config.h" |
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30 #include "xs_support.h" |
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31 #include "xs_length.h" |
230 | 32 #include "xs_title.h" |
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33 |
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34 #include <sidplay/sidplay2.h> |
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35 #ifdef HAVE_RESID_BUILDER |
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36 #include <sidplay/builders/resid.h> |
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37 #endif |
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38 #ifdef HAVE_HARDSID_BUILDER |
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39 #include <sidplay/builders/hardsid.h> |
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40 #endif |
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41 |
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42 |
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43 typedef struct |
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44 { |
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45 sidplay2 *currEng; |
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46 sidbuilder *currBuilder; |
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47 sid2_config_t currConfig; |
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48 SidTune *currTune; |
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49 } t_xs_sidplay2; |
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50 |
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51 |
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52 /* We need to 'export' all this pseudo-C++ crap */ |
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53 extern "C" |
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54 { |
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55 |
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56 |
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57 /* Check if we can play the given file |
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58 */ |
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59 gboolean xs_sidplay2_isourfile(gchar * pcFilename) |
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60 { |
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61 SidTune *testTune = new SidTune(pcFilename); |
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62 |
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63 if (!testTune) |
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64 return FALSE; |
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65 if (!testTune->getStatus()) |
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66 { |
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67 delete testTune; |
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68 return FALSE; |
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69 } |
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70 |
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71 delete testTune; |
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72 return TRUE; |
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73 } |
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74 |
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75 |
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76 |
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77 /* Initialize SIDPlay2 |
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78 */ |
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79 gboolean xs_sidplay2_init(t_xs_status * myStatus) |
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80 { |
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81 gint tmpFreq; |
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82 t_xs_sidplay2 *myEngine; |
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83 assert(myStatus); |
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84 |
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85 /* Allocate internal structures */ |
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86 myEngine = (t_xs_sidplay2 *) g_malloc0(sizeof(t_xs_sidplay2)); |
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87 myStatus->sidEngine = myEngine; |
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88 if (!myEngine) |
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89 return FALSE; |
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90 |
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91 |
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92 /* Initialize the engine */ |
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93 myEngine->currEng = new sidplay2; |
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94 if (!myEngine->currEng) { |
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95 XSERR("Could not initialize libSIDPlay2 emulation engine\n"); |
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96 return FALSE; |
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97 } |
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98 |
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99 /* Get current configuration */ |
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100 myEngine->currConfig = myEngine->currEng->config(); |
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101 |
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102 /* Configure channels and stuff */ |
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103 switch (myStatus->audioChannels) { |
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104 |
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105 case XS_CHN_AUTOPAN: |
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106 myEngine->currConfig.playback = sid2_stereo; |
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107 break; |
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108 |
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109 case XS_CHN_STEREO: |
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110 myEngine->currConfig.playback = sid2_stereo; |
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111 break; |
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112 |
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113 case XS_CHN_MONO: |
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114 default: |
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115 myEngine->currConfig.playback = sid2_mono; |
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116 myStatus->audioChannels = XS_CHN_MONO; |
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117 break; |
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118 } |
73
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Added libsidplay2 module, lots of reworking of internals, sidplay1 support
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changeset
|
119 |
2bc607888f53
Added libsidplay2 module, lots of reworking of internals, sidplay1 support
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changeset
|
120 |
359
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121 /* Memory mode settings */ |
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122 switch (xs_cfg.memoryMode) { |
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123 case XS_MPU_BANK_SWITCHING: |
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124 myEngine->currConfig.environment = sid2_envBS; |
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|
125 break; |
73
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Added libsidplay2 module, lots of reworking of internals, sidplay1 support
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|
126 |
359
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|
127 case XS_MPU_TRANSPARENT_ROM: |
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|
128 myEngine->currConfig.environment = sid2_envTP; |
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|
129 break; |
73
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|
130 |
359
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|
131 case XS_MPU_PLAYSID_ENVIRONMENT: |
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132 myEngine->currConfig.environment = sid2_envPS; |
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|
133 break; |
73
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|
134 |
359
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135 case XS_MPU_REAL: |
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136 default: |
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137 myEngine->currConfig.environment = sid2_envR; |
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138 xs_cfg.memoryMode = XS_MPU_REAL; |
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139 break; |
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|
140 } |
73
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|
141 |
2bc607888f53
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|
142 |
359
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143 /* Clockspeed settings */ |
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144 switch (xs_cfg.clockSpeed) { |
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145 case XS_CLOCK_NTSC: |
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146 myEngine->currConfig.clockSpeed = myEngine->currConfig.clockDefault = SID2_CLOCK_NTSC; |
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147 break; |
73
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148 |
359
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|
149 case XS_CLOCK_PAL: |
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150 default: |
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|
151 myEngine->currConfig.clockSpeed = myEngine->currConfig.clockDefault = SID2_CLOCK_PAL; |
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|
152 xs_cfg.clockSpeed = XS_CLOCK_PAL; |
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153 break; |
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|
154 } |
73
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|
155 |
2bc607888f53
Added libsidplay2 module, lots of reworking of internals, sidplay1 support
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|
156 |
359
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157 /* Audio parameters sanity checking and setup */ |
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158 myEngine->currConfig.precision = myStatus->audioBitsPerSample; |
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159 tmpFreq = myStatus->audioFrequency; |
74 | 160 |
359
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161 if (myStatus->oversampleEnable) |
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162 tmpFreq = (tmpFreq * myStatus->oversampleFactor); |
127
ddb513bd2610
Improved audio format support, now supported formats are "queried" from
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diff
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|
163 |
359
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164 myEngine->currConfig.frequency = tmpFreq; |
127
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165 |
359
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166 switch (myStatus->audioBitsPerSample) { |
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167 case XS_RES_8BIT: |
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168 myStatus->audioFormat = FMT_U8; |
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|
169 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
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|
170 break; |
127
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diff
changeset
|
171 |
359
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|
172 case XS_RES_16BIT: |
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|
173 default: |
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|
174 switch (myStatus->audioFormat) { |
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175 case FMT_U16_LE: |
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176 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
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|
177 break; |
127
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Improved audio format support, now supported formats are "queried" from
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103
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changeset
|
178 |
359
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|
179 case FMT_U16_BE: |
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180 myEngine->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
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|
181 break; |
127
ddb513bd2610
Improved audio format support, now supported formats are "queried" from
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103
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changeset
|
182 |
359
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|
183 case FMT_U16_NE: |
74 | 184 #ifdef WORDS_BIGENDIAN |
359
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|
185 myEngine->currConfig.sampleFormat = SID2_BIG_UNSIGNED; |
74 | 186 #else |
359
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|
187 myEngine->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; |
74 | 188 #endif |
359
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|
189 break; |
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|
190 |
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|
191 case FMT_S16_LE: |
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192 myEngine->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
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|
193 break; |
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|
194 |
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|
195 case FMT_S16_BE: |
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196 myEngine->currConfig.sampleFormat = SID2_BIG_SIGNED; |
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|
197 break; |
127
ddb513bd2610
Improved audio format support, now supported formats are "queried" from
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diff
changeset
|
198 |
359
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|
199 default: |
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|
200 myStatus->audioFormat = FMT_S16_NE; |
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|
201 #ifdef WORDS_BIGENDIAN |
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202 myEngine->currConfig.sampleFormat = SID2_BIG_SIGNED; |
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|
203 #else |
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|
204 myEngine->currConfig.sampleFormat = SID2_LITTLE_SIGNED; |
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|
205 #endif |
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|
206 break; |
127
ddb513bd2610
Improved audio format support, now supported formats are "queried" from
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103
diff
changeset
|
207 |
359
b1a858b8cb1a
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changeset
|
208 } |
b1a858b8cb1a
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|
209 break; |
b1a858b8cb1a
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352
diff
changeset
|
210 } |
b1a858b8cb1a
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changeset
|
211 |
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changeset
|
212 /* Initialize builder object */ |
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|
213 XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (myEngine->currEng->info()).maxsids); |
321
45ad9f7c1628
Improved compatibility, some fixes in reSID emulation initialization.
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270
diff
changeset
|
214 #ifdef HAVE_RESID_BUILDER |
359
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|
215 if (xs_cfg.sid2Builder == XS_BLD_RESID) { |
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changeset
|
216 ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); |
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changeset
|
217 myEngine->currBuilder = (sidbuilder *) rs; |
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changeset
|
218 if (rs) { |
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changeset
|
219 /* Builder object created, initialize it */ |
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changeset
|
220 rs->create((myEngine->currEng->info()).maxsids); |
b1a858b8cb1a
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changeset
|
221 if (!*rs) { |
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changeset
|
222 XSERR("rs->create() failed. SIDPlay2 suxx again.\n"); |
b1a858b8cb1a
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changeset
|
223 return FALSE; |
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|
224 } |
352 | 225 |
359
b1a858b8cb1a
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changeset
|
226 rs->filter(xs_cfg.emulateFilters); |
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changeset
|
227 if (!*rs) { |
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changeset
|
228 XSERR("rs->filter(%d) failed.\n", xs_cfg.emulateFilters); |
b1a858b8cb1a
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changeset
|
229 return FALSE; |
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changeset
|
230 } |
b1a858b8cb1a
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changeset
|
231 |
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changeset
|
232 rs->sampling(tmpFreq); |
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changeset
|
233 if (!*rs) { |
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changeset
|
234 XSERR("rs->sampling(%d) failed.\n", tmpFreq); |
b1a858b8cb1a
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changeset
|
235 return FALSE; |
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changeset
|
236 } |
b1a858b8cb1a
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changeset
|
237 |
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238 rs->filter((sid_filter_t *) NULL); |
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239 if (!*rs) { |
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240 XSERR("rs->filter(NULL) failed.\n"); |
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241 return FALSE; |
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242 } |
321
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243 } |
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244 } |
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245 #endif |
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246 #ifdef HAVE_HARDSID_BUILDER |
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247 if (xs_cfg.sid2Builder == XS_BLD_HARDSID) { |
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248 HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder"); |
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249 myEngine->currBuilder = (sidbuilder *) hs; |
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250 if (hs) { |
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251 /* Builder object created, initialize it */ |
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252 hs->create((myEngine->currEng->info()).maxsids); |
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253 if (!*hs) { |
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254 XSERR("hs->create() failed. SIDPlay2 suxx again.\n"); |
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255 return FALSE; |
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256 } |
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257 |
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258 hs->filter(xs_cfg.emulateFilters); |
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259 if (!*hs) { |
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260 XSERR("hs->filter(%d) failed.\n", xs_cfg.emulateFilters); |
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261 return FALSE; |
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262 } |
321
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263 } |
359
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264 } |
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265 #endif |
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266 |
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267 if (!myEngine->currBuilder) { |
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268 XSERR("Could not initialize SIDBuilder object.\n"); |
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269 return FALSE; |
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270 } |
321
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271 |
359
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272 XSDEBUG("%s\n", myEngine->currBuilder->credits()); |
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273 |
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274 |
359
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275 /* Configure rest of the emulation */ |
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276 myEngine->currConfig.sidEmulation = myEngine->currBuilder; |
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277 myEngine->currConfig.clockForced = xs_cfg.forceSpeed; |
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278 myEngine->currConfig.optimisation = (xs_cfg.sid2OptLevel) ? 1 : 0; |
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279 if (xs_cfg.mos8580) |
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280 myEngine->currConfig.sidDefault = SID2_MOS8580; |
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281 else |
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282 myEngine->currConfig.sidDefault = SID2_MOS6581; |
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283 |
359
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284 myEngine->currConfig.sidModel = myEngine->currConfig.sidDefault; |
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285 myEngine->currConfig.sidSamples = TRUE; // FIXME FIX ME, make configurable! |
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286 |
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287 |
359
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288 /* Now set the emulator configuration */ |
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289 if (myEngine->currEng->config(myEngine->currConfig) < 0) { |
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290 XSERR("Emulator engine configuration failed!\n"); |
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291 return FALSE; |
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292 } |
73
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293 |
359
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294 /* Create the sidtune */ |
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295 myEngine->currTune = new SidTune(0); |
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296 if (!myEngine->currTune) { |
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297 XSERR("Could not initialize SIDTune object.\n"); |
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298 return FALSE; |
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299 } |
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300 |
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301 return TRUE; |
270
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302 } |
73
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303 |
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304 |
270
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305 /* Close SIDPlay2 engine |
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306 */ |
359
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307 void xs_sidplay2_close(t_xs_status * myStatus) |
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308 { |
359
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309 t_xs_sidplay2 *myEngine; |
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310 assert(myStatus); |
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311 |
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312 myEngine = (t_xs_sidplay2 *) myStatus->sidEngine; |
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313 |
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314 /* Free internals */ |
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315 if (myEngine->currBuilder) { |
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316 delete myEngine->currBuilder; |
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317 myEngine->currBuilder = NULL; |
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318 } |
270
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319 |
359
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320 if (myEngine->currEng) { |
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321 delete myEngine->currEng; |
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322 myEngine->currEng = NULL; |
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323 } |
270
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324 |
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325 if (myEngine->currTune) { |
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326 delete myEngine->currTune; |
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327 myEngine->currTune = NULL; |
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328 } |
270
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329 |
359
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330 xs_sidplay2_deletesid(myStatus); |
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331 |
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332 g_free(myEngine); |
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333 myStatus->sidEngine = NULL; |
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334 } |
270
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335 |
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336 |
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337 /* Initialize current song and sub-tune |
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338 */ |
359
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339 gboolean xs_sidplay2_initsong(t_xs_status * myStatus) |
270
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340 { |
359
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341 t_xs_sidplay2 *myEngine; |
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342 assert(myStatus); |
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343 |
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344 myEngine = (t_xs_sidplay2 *) myStatus->sidEngine; |
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345 if (!myEngine) |
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346 return FALSE; |
270
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347 |
359
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348 if (!myEngine->currTune->selectSong(myStatus->currSong)) { |
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349 XSERR("currTune->selectSong() failed\n"); |
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350 return FALSE; |
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351 } |
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352 |
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353 if (myEngine->currEng->load(myEngine->currTune) < 0) { |
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354 XSERR("currEng->load() failed\n"); |
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355 return FALSE; |
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356 } |
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357 |
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358 return TRUE; |
270
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359 } |
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360 |
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361 |
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362 /* Emulate and render audio data to given buffer |
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363 */ |
359
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364 guint xs_sidplay2_fillbuffer(t_xs_status * myStatus, gchar * audioBuffer, guint audioBufSize) |
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365 { |
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366 t_xs_sidplay2 *myEngine; |
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367 assert(myStatus); |
270
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368 |
359
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369 myEngine = (t_xs_sidplay2 *) myStatus->sidEngine; |
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370 if (!myEngine) |
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371 return 0; |
270
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372 |
359
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373 return myEngine->currEng->play(audioBuffer, audioBufSize); |
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374 } |
270
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375 |
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376 |
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377 /* Load a given SID-tune file |
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378 */ |
359
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379 gboolean xs_sidplay2_loadsid(t_xs_status * myStatus, gchar * pcFilename) |
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380 { |
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381 t_xs_sidplay2 *myEngine; |
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382 assert(myStatus); |
270
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383 |
359
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384 myEngine = (t_xs_sidplay2 *) myStatus->sidEngine; |
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385 |
359
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386 /* Try to get the tune */ |
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387 if (!pcFilename) |
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388 return FALSE; |
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389 if (!myEngine->currTune->load(pcFilename)) |
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390 return FALSE; |
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391 |
359
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392 return TRUE; |
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393 } |
270
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394 |
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395 |
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396 /* Delete INTERNAL information |
73
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397 */ |
359
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398 void xs_sidplay2_deletesid(t_xs_status * myStatus) |
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399 { |
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400 assert(myStatus); |
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401 |
359
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402 /* With the current scheme of handling sidtune-loading, we don't do anything here. */ |
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403 } |
73
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404 |
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405 |
270
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406 /* Return song information |
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407 */ |
230 | 408 #define TFUNCTION xs_sidplay2_getsidinfo |
87
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409 #define TTUNEINFO SidTuneInfo |
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410 #define TTUNE SidTune |
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411 #include "xs_sidplay.h" |
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412 |
359
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413 } /* extern "C" */ |
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414 #endif /* HAVE_SIDPLAY2 */ |