1 |
/* |
2 |
* cl_amp.cpp - SIDPlayer CL-Amp plugin |
3 |
* |
4 |
* SIDPlayer (C) Copyright 1996-2001 Christian Bauer |
5 |
* |
6 |
* This program is free software; you can redistribute it and/or modify |
7 |
* it under the terms of the GNU General Public License as published by |
8 |
* the Free Software Foundation; either version 2 of the License, or |
9 |
* (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 |
*/ |
20 |
|
21 |
#include "sys.h" |
22 |
|
23 |
#include <AppKit.h> |
24 |
#include <support/UTF8.h> |
25 |
#include <stdio.h> |
26 |
|
27 |
#include "prefs.h" |
28 |
#include "main.h" |
29 |
#include "psid.h" |
30 |
#include "sid.h" |
31 |
#include "prefs_window.h" |
32 |
|
33 |
#include "InputPlugin.h" |
34 |
|
35 |
class SIDPlugin; |
36 |
|
37 |
|
38 |
// Size of audio buffer |
39 |
const int AUDIO_BUFFER_SIZE = 4096; |
40 |
|
41 |
// URL header for subsong recognition |
42 |
static const char MY_URL_HEADER[] = "sid://"; |
43 |
const int MY_URL_HEADER_LEN = 6; |
44 |
|
45 |
|
46 |
// Plugin class definition |
47 |
class SIDPlugin : public InputPlugin { |
48 |
public: |
49 |
SIDPlugin(); |
50 |
virtual ~SIDPlugin(); |
51 |
|
52 |
void Init(); |
53 |
void Cleanup(); |
54 |
|
55 |
// Thread A |
56 |
bool About(bool Question); |
57 |
bool Prefs(bool Question); |
58 |
bool Edit(const char *FileName, bool Question); |
59 |
bool GetMimeType(BMimeType *m, int nr); |
60 |
bool IsOur(const char *FileName); |
61 |
bool GetSongInfo(const char *FName, PlayerInfoStruct *Info); |
62 |
void AbortPlaying(); |
63 |
void Pause(bool On); |
64 |
void NewSpeed(long Promille); |
65 |
void NewVolume(long Promille); |
66 |
|
67 |
// Thread B |
68 |
bool InitPlaying(const char *FileName, PlayerInfoStruct *Info); |
69 |
int GetAudio(char **Buff, int Size); |
70 |
void JumpTo(long NewTime); |
71 |
void CleanupPlaying(); |
72 |
|
73 |
private: |
74 |
uint8 buffer[AUDIO_BUFFER_SIZE]; // Audio data buffer |
75 |
PrefsWindow *prefs_window; // Pointer to prefs window |
76 |
}; |
77 |
|
78 |
|
79 |
/* |
80 |
* CL-Amp plugin interface |
81 |
*/ |
82 |
|
83 |
extern "C" _EXPORT InputPlugin *NewPlugin(int *version); |
84 |
|
85 |
InputPlugin *NewPlugin(int *version) |
86 |
{ |
87 |
*version = CURRENT_INPUT_PLUGIN_VERSION; |
88 |
return new SIDPlugin(); |
89 |
} |
90 |
|
91 |
|
92 |
/* |
93 |
* Constructor |
94 |
*/ |
95 |
|
96 |
SIDPlugin::SIDPlugin() : InputPlugin("PSID", "SIDPlayer C64 SID tune player by Christian Bauer") |
97 |
{ |
98 |
prefs_window = NULL; |
99 |
} |
100 |
|
101 |
|
102 |
/* |
103 |
* Destructor |
104 |
*/ |
105 |
|
106 |
SIDPlugin::~SIDPlugin() |
107 |
{ |
108 |
} |
109 |
|
110 |
|
111 |
/* |
112 |
* Init/cleanup |
113 |
*/ |
114 |
|
115 |
void SIDPlugin::Init() |
116 |
{ |
117 |
int argc = 0; |
118 |
char **argv = NULL; |
119 |
InitAll(argc, argv); |
120 |
} |
121 |
|
122 |
void SIDPlugin::Cleanup() |
123 |
{ |
124 |
if (prefs_window_open && prefs_window) { |
125 |
prefs_window->PostMessage(B_QUIT_REQUESTED); |
126 |
while (prefs_window_open) |
127 |
snooze(1000); |
128 |
} |
129 |
ExitAll(); |
130 |
} |
131 |
|
132 |
|
133 |
/* |
134 |
* About window |
135 |
*/ |
136 |
|
137 |
bool SIDPlugin::About(bool Question) |
138 |
{ |
139 |
if (Question) |
140 |
return true; |
141 |
|
142 |
AboutWindow(); |
143 |
return true; |
144 |
} |
145 |
|
146 |
|
147 |
/* |
148 |
* Prefs window |
149 |
*/ |
150 |
|
151 |
bool SIDPlugin::Prefs(bool Question) |
152 |
{ |
153 |
if (Question) |
154 |
return true; |
155 |
|
156 |
if (prefs_window_open && prefs_window) { |
157 |
prefs_window->Activate(true); |
158 |
return false; |
159 |
} else { |
160 |
prefs_window = new PrefsWindow(); |
161 |
return true; |
162 |
} |
163 |
} |
164 |
|
165 |
|
166 |
/* |
167 |
* Edit window |
168 |
*/ |
169 |
|
170 |
bool SIDPlugin::Edit(const char *FileName, bool Question) |
171 |
{ |
172 |
return false; |
173 |
} |
174 |
|
175 |
|
176 |
/* |
177 |
* Get MIME type for supported audio files |
178 |
*/ |
179 |
|
180 |
bool SIDPlugin::GetMimeType(BMimeType *m, int nr) |
181 |
{ |
182 |
if (nr == 0) { |
183 |
m->SetTo("audio/x-psid"); |
184 |
m->SetLongDescription("C64 SID tune"); |
185 |
return true; |
186 |
} else |
187 |
return false; |
188 |
} |
189 |
|
190 |
|
191 |
/* |
192 |
* Check if file is handled by this plugin |
193 |
*/ |
194 |
|
195 |
bool SIDPlugin::IsOur(const char *FileName) |
196 |
{ |
197 |
if (strncasecmp(FileName, MY_URL_HEADER, MY_URL_HEADER_LEN) == 0) { |
198 |
|
199 |
// name starts with "sid://", extract file name |
200 |
char name[B_FILE_NAME_LENGTH]; |
201 |
char *q = strrchr(FileName, '?'); |
202 |
if (q == NULL) |
203 |
return false; |
204 |
int name_len = q - (FileName + MY_URL_HEADER_LEN); |
205 |
strncpy(name, FileName + MY_URL_HEADER_LEN, name_len); |
206 |
name[name_len] = 0; |
207 |
return IsPSIDFile(name); |
208 |
|
209 |
} else |
210 |
return IsPSIDFile(FileName); |
211 |
} |
212 |
|
213 |
|
214 |
/* |
215 |
* Get information about audio file |
216 |
*/ |
217 |
|
218 |
static bool get_song_info(const char *file_name, PlayerInfoStruct *Info, int &number_of_songs, int &song, bool default_song = true) |
219 |
{ |
220 |
// Load header |
221 |
uint8 header[PSID_MAX_HEADER_LENGTH]; |
222 |
if (!LoadPSIDHeader(file_name, header)) |
223 |
return false; |
224 |
|
225 |
// Get number of subsongs and default song |
226 |
number_of_songs = read_psid_16(header, PSID_NUMBER); |
227 |
if (number_of_songs == 0) |
228 |
number_of_songs = 1; |
229 |
if (default_song) { |
230 |
song = read_psid_16(header, PSID_DEFSONG); |
231 |
if (song) |
232 |
song--; |
233 |
} |
234 |
if (song >= number_of_songs) |
235 |
song = 0; |
236 |
|
237 |
// Set info |
238 |
char psid_name[64]; |
239 |
int32 sl = 32, dl = 64, state = 0; |
240 |
convert_to_utf8(B_ISO1_CONVERSION, (char *)(header + PSID_NAME), &sl, psid_name, &dl, &state); |
241 |
if (number_of_songs > 1) { |
242 |
sprintf(Info->Title, "%s (%d/%d)", psid_name, song + 1, number_of_songs); |
243 |
} else |
244 |
strcpy(Info->Title, psid_name); |
245 |
Info->Flags = INPLUG_NO_TOTTIME | INPLUG_NO_CURRTIME | INPLUG_HANDLE_SPEED; |
246 |
Info->Frequency = 44100; |
247 |
Info->Stereo = true; |
248 |
return true; |
249 |
} |
250 |
|
251 |
bool SIDPlugin::GetSongInfo(const char *FileName, PlayerInfoStruct *Info) |
252 |
{ |
253 |
char name[B_FILE_NAME_LENGTH + 16]; |
254 |
if (strncasecmp(FileName, MY_URL_HEADER, MY_URL_HEADER_LEN) == 0) { |
255 |
|
256 |
// name starts with "sid://", extract file name |
257 |
char *q = strrchr(FileName, '?'); |
258 |
if (q == NULL) |
259 |
return false; |
260 |
int song = atoi(q + 1); |
261 |
int name_len = q - (FileName + MY_URL_HEADER_LEN); |
262 |
strncpy(name, FileName + MY_URL_HEADER_LEN, name_len); |
263 |
name[name_len] = 0; |
264 |
|
265 |
// Get info |
266 |
int number_of_songs; |
267 |
return get_song_info(name, Info, number_of_songs, song, false); |
268 |
|
269 |
} else { |
270 |
|
271 |
// Ordinary file name, get info and number of subsongs |
272 |
int number_of_songs, default_song; |
273 |
if (!get_song_info(FileName, Info, number_of_songs, default_song)) |
274 |
return false; |
275 |
|
276 |
// Add subsongs other than default song to playlist in the correct order |
277 |
for (int i=0; i<number_of_songs; i++) { |
278 |
if (i != default_song) { |
279 |
sprintf(name, "%s%s?%d", MY_URL_HEADER, FileName, i); |
280 |
if (i < default_song) |
281 |
SendToCLAmp_AddFile(name, Info->SongId); |
282 |
else |
283 |
SendToCLAmp_AddFile(name); |
284 |
} |
285 |
} |
286 |
} |
287 |
return true; |
288 |
} |
289 |
|
290 |
|
291 |
/* |
292 |
* Special handling for aborting playing |
293 |
*/ |
294 |
|
295 |
void SIDPlugin::AbortPlaying() |
296 |
{ |
297 |
} |
298 |
|
299 |
|
300 |
/* |
301 |
* Special handling for pause |
302 |
*/ |
303 |
|
304 |
void SIDPlugin::Pause(bool On) |
305 |
{ |
306 |
} |
307 |
|
308 |
|
309 |
/* |
310 |
* Adjust playback speed |
311 |
*/ |
312 |
|
313 |
void SIDPlugin::NewSpeed(long Promille) |
314 |
{ |
315 |
SIDAdjustSpeed(Promille / 10); |
316 |
} |
317 |
|
318 |
|
319 |
/* |
320 |
* Adjust playback volume |
321 |
*/ |
322 |
|
323 |
void SIDPlugin::NewVolume(long Promille) |
324 |
{ |
325 |
} |
326 |
|
327 |
|
328 |
/* |
329 |
* Prepare for playback |
330 |
*/ |
331 |
|
332 |
bool SIDPlugin::InitPlaying(const char *FileName, PlayerInfoStruct *Info) |
333 |
{ |
334 |
char name[B_FILE_NAME_LENGTH]; |
335 |
bool subsong_given = false; |
336 |
int song; |
337 |
|
338 |
if (strncasecmp(FileName, MY_URL_HEADER, MY_URL_HEADER_LEN) == 0) { |
339 |
|
340 |
// name starts with "sid://", extract file name |
341 |
char *q = strrchr(FileName, '?'); |
342 |
if (q == NULL) |
343 |
return false; |
344 |
subsong_given = true; |
345 |
song = atoi(q + 1); |
346 |
int name_len = q - (FileName + MY_URL_HEADER_LEN); |
347 |
strncpy(name, FileName + MY_URL_HEADER_LEN, name_len); |
348 |
name[name_len] = 0; |
349 |
|
350 |
} else |
351 |
strcpy(name, FileName); |
352 |
|
353 |
// Load PSID file |
354 |
if (!LoadPSIDFile(name)) |
355 |
return false; |
356 |
|
357 |
// Select subsong if subsong number given |
358 |
if (subsong_given) |
359 |
SelectSong(song); |
360 |
|
361 |
// Set data |
362 |
Info->Flags = INPLUG_NO_TOTTIME | INPLUG_NO_CURRTIME | INPLUG_HANDLE_SPEED; |
363 |
Info->Frequency = 44100; |
364 |
Info->Stereo = true; |
365 |
return true; |
366 |
} |
367 |
|
368 |
|
369 |
/* |
370 |
* Audio stream callback function |
371 |
*/ |
372 |
|
373 |
int SIDPlugin::GetAudio(char **Buff, int Size) |
374 |
{ |
375 |
SIDCalcBuffer(buffer, AUDIO_BUFFER_SIZE); |
376 |
*Buff = (char *)buffer; |
377 |
return AUDIO_BUFFER_SIZE; |
378 |
} |
379 |
|
380 |
|
381 |
/* |
382 |
* Set playback position |
383 |
*/ |
384 |
|
385 |
void SIDPlugin::JumpTo(long NewTime) |
386 |
{ |
387 |
} |
388 |
|
389 |
|
390 |
/* |
391 |
* Stop playback |
392 |
*/ |
393 |
|
394 |
void SIDPlugin::CleanupPlaying() |
395 |
{ |
396 |
} |