Mercurial > hg > xmms-sid
annotate src/xmms-sid.h @ 311:7c49095b9c52
xs_filter.h
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 30 Dec 2004 11:37:05 +0000 |
parents | ae5795ba5c77 |
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rev | line source |
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1 | 1 /* |
3 | 2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) |
1 | 3 |
4 Main header file | |
5 | |
3 | 6 Written by Matti "ccr" Hamalainen <ccr@tnsp.org> |
1 | 7 |
8 This program is free software; you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation; either version 2 of the License, or | |
11 (at your option) any later version. | |
12 | |
13 This program is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with this program; if not, write to the Free Software | |
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
21 */ | |
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22 #ifndef _XMMS_SID_H |
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23 #define _XMMS_SID_H |
1 | 24 |
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25 #ifdef HAVE_CONFIG_H |
24 | 26 #include <config.h> |
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27 #endif |
219 | 28 |
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29 #ifdef HAVE_ASSERT_H |
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30 #include <assert.h> |
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31 #else |
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32 #define assert(x) /* stub */ |
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33 #endif |
219 | 34 |
1 | 35 #include <glib.h> |
230 | 36 #include <pthread.h> |
1 | 37 #include <xmms/plugin.h> |
38 | |
230 | 39 #ifdef __cplusplus |
40 extern "C" { | |
41 #endif | |
42 | |
241
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43 /* |
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44 * Some constants and defines |
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45 */ |
241
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46 /* Define for spurious debugging messages */ |
300 | 47 #define DEBUG |
48 | |
49 /* Define to ISO C99 macro for debugging instead of varargs function. | |
50 * This provides more useful information. | |
51 */ | |
308
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52 #define DEBUG_NP |
230 | 53 |
272 | 54 /* Define to enable non-portable thread and mutex debugging code. |
300 | 55 * You need to #define DEBUG also to make this useful. |
56 * (Works probably with GNU/Linux pthreads implementation only) | |
272 | 57 */ |
241
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58 #undef XS_MUTEX_DEBUG |
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59 |
272 | 60 /* HardSID-support is not working and is untested, thus we disable it here. |
61 */ | |
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62 #undef HAVE_HARDSID_BUILDER |
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63 |
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64 /* Size for some small buffers (always static variables) */ |
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65 #define XS_BUF_SIZE (1024) |
1 | 66 |
241
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67 /* If defined, dynamically allocated temp. buffers are used. |
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68 * Static (#undef) are probably faster than allocating/deallocating |
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69 * from heap, but fails on systems with limited stack space. */ |
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70 #define XS_BUF_DYNAMIC |
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71 |
242 | 72 /* Size of audio buffer. If you are experiencing lots of audio |
73 * "underruns" or clicks/gaps in output, try increasing this value. | |
74 * Do notice, however, that it also affects the update frequency of | |
75 * XMMS's visualization plugins... | |
76 */ | |
77 #define XS_AUDIOBUF_SIZE (2*1024) | |
230 | 78 |
241
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79 /* Size of data buffer used for SID-tune MD5 hash calculation. |
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80 * If this is too small, the computed hash will be incorrect. |
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81 * Largest SID files I've seen are ~70kB. */ |
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82 #define XS_SIDBUF_SIZE (80*1024) |
230 | 83 |
241
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84 |
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85 |
311 | 86 #define XS_STIL_MAXENTRY (64) /* Max number of sub-songs in STIL/SLDB node */ |
230 | 87 |
88 | |
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89 #define XS_CONFIG_IDENT "XMMS-SID" /* Configuration file identifier */ |
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90 #define XS_CONFIG_FILE "/.xmms/xmms-sid" /* Use this configfile if autocyrpe fails */ |
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91 |
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92 #define XS_MIN_OVERSAMPLE (2) /* Minimum oversampling factor */ |
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93 #define XS_MAX_OVERSAMPLE (8) /* Maximum oversampling factor */ |
1 | 94 |
230 | 95 |
96 /* Macros for mutexes and threads. These exist to be able to | |
97 * easily change from pthreads to glib threads, etc, if necessary. | |
98 */ | |
99 #define XS_MPP(M) M ## _mutex | |
241
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100 #if XS_MUTEX_DEBUG |
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101 #define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; int M ## _qq; |
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102 #define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M); extern int M ## _qq |
230 | 103 #define XS_MUTEX_LOCK(M) { M ## _qq = pthread_mutex_lock(&XS_MPP(M)); if (M ## _qq) XSDEBUG("XS_MUTEX_LOCK(" #M ") == %i\n", M ## _qq); } |
104 #define XS_MUTEX_UNLOCK(M) { M ## _qq = pthread_mutex_unlock(&XS_MPP(M)); if (M ## _qq) XSDEBUG("XS_MUTEX_UNLOCK(" #M ") == %i\n", M ## _qq); } | |
241
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105 #else |
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106 #define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_MUTEX_INITIALIZER |
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107 #define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M) |
241
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108 #define XS_MUTEX_LOCK(M) pthread_mutex_lock(&XS_MPP(M)) |
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109 #define XS_MUTEX_UNLOCK(M) pthread_mutex_unlock(&XS_MPP(M)) |
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110 #endif |
230 | 111 |
112 /* Shorthands for linked lists | |
113 */ | |
114 #define LPREV (pNode->pPrev) | |
115 #define LTHIS (pNode) | |
116 #define LNEXT (pNode->pNext) | |
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117 |
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118 |
230 | 119 /* Plugin-wide typedefs |
120 */ | |
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121 typedef struct { |
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122 gint tuneSpeed; |
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123 gint tuneLength; |
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124 gchar *tuneTitle; |
230 | 125 } t_xs_subtuneinfo; |
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126 |
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127 |
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128 typedef struct { |
230 | 129 gchar *sidFilename, |
130 *sidName, | |
131 *sidComposer, | |
132 *sidCopyright; | |
133 gint loadAddr, | |
134 initAddr, | |
135 playAddr, | |
136 dataFileLen; | |
137 gint nsubTunes, startTune; | |
138 t_xs_subtuneinfo subTunes[XS_STIL_MAXENTRY]; | |
139 } t_xs_tuneinfo; | |
140 | |
141 | |
142 struct t_xs_status; | |
143 | |
144 typedef struct { | |
145 gint plrIdent; | |
146 gboolean (*plrIsOurFile)(gchar *); | |
147 gboolean (*plrInit)(struct t_xs_status *); | |
148 void (*plrClose)(struct t_xs_status *); | |
149 gboolean (*plrInitSong)(struct t_xs_status *); | |
150 guint (*plrFillBuffer)(struct t_xs_status *, gchar *, guint); | |
151 gboolean (*plrLoadSID)(struct t_xs_status *, gchar *); | |
152 void (*plrDeleteSID)(struct t_xs_status *); | |
153 t_xs_tuneinfo* (*plrGetSIDInfo)(gchar *); | |
154 } t_xs_player; | |
155 | |
156 | |
157 typedef struct t_xs_status { | |
158 gint audioFrequency, /* Audio settings */ | |
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159 audioChannels, |
269 | 160 audioBitsPerSample, |
161 oversampleFactor; /* Factor of oversampling */ | |
295 | 162 AFormat audioFormat; |
269 | 163 gboolean oversampleEnable; /* TRUE after sidEngine initialization, |
164 if xs_cfg.oversampleEnable == TRUE and | |
165 emulation backend supports oversampling. | |
166 */ | |
230 | 167 void *sidEngine; /* SID-emulation internal engine data */ |
168 t_xs_player *sidPlayer; /* Selected player engine */ | |
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169 gboolean isError, isPlaying; |
230 | 170 gint currSong, /* Current sub-tune */ |
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171 lastTime; |
230 | 172 t_xs_tuneinfo *tuneInfo; |
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173 } t_xs_status; |
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174 |
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175 |
230 | 176 /* Global variables |
177 */ | |
178 extern InputPlugin xs_plugin_ip; | |
179 | |
180 extern t_xs_status xs_status; | |
181 XS_MUTEX_H(xs_status); | |
1 | 182 |
183 | |
230 | 184 |
185 /* Plugin function prototypes | |
1 | 186 */ |
187 void xs_init(void); | |
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188 void xs_reinit(void); |
3 | 189 void xs_close(void); |
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190 gint xs_is_our_file(gchar *); |
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191 void xs_play_file(gchar *); |
1 | 192 void xs_stop(void); |
193 void xs_pause(short); | |
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194 void xs_seek(gint); |
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195 gint xs_get_time(void); |
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196 void xs_get_song_info(gchar *, gchar **, gint *); |
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197 void xs_about(void); |
1 | 198 |
230 | 199 t_xs_tuneinfo *xs_tuneinfo_new(gchar *, gint, gint, gchar *, gchar *, gchar *, gint, gint, gint, gint); |
200 void xs_tuneinfo_free(t_xs_tuneinfo *); | |
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201 |
300 | 202 void XSERR(const char *, ...); |
1 | 203 |
300 | 204 #ifndef DEBUG_NP |
205 void XSDEBUG(const char *, ...); | |
206 #else | |
1 | 207 #ifdef DEBUG |
297 | 208 #define XSDEBUG(...) { fprintf(stderr, "XS[%s:%s:%d]: ", __FILE__, __FUNCTION__, (int) __LINE__); fprintf(stderr, __VA_ARGS__); } |
1 | 209 #else |
300 | 210 #define XSDEBUG(...) /* stub */ |
1 | 211 #endif |
300 | 212 #endif |
1 | 213 |
214 #ifdef __cplusplus | |
215 } | |
216 #endif | |
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217 #endif /* _XMMS_SID_H */ |