6cadc2da |
1 | /*********************************************************** |
2 | * * |
3 | * This source was taken from the Gens project * |
4 | * Written by Stéphane Dallongeville * |
5 | * Copyright (c) 2002 by Stéphane Dallongeville * |
6 | * Modified/adapted for PicoDrive by notaz, 2007 * |
7 | * * |
8 | ***********************************************************/ |
9 | |
efcba75f |
10 | #include "../pico_int.h" |
eff55556 |
11 | #include "cd_file.h" |
9037e45d |
12 | #include "cue.h" |
bf098bc5 |
13 | |
4b167c12 |
14 | //#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp |
bf098bc5 |
15 | |
9c9cda8c |
16 | static void to_upper(char *d, const char *s) |
17 | { |
18 | for (; *s != 0; d++, s++) { |
19 | if ('a' <= *s && *s <= 'z') |
20 | *d = *s - 'a' + 'A'; |
21 | else |
22 | *d = *s; |
23 | } |
24 | } |
25 | |
9037e45d |
26 | static int audio_track_mp3(const char *fname, int index) |
bf098bc5 |
27 | { |
9037e45d |
28 | _scd_track *Tracks = Pico_mcd->TOC.Tracks; |
29 | FILE *tmp_file; |
30 | int fs, ret; |
31 | |
32 | tmp_file = fopen(fname, "rb"); |
33 | if (tmp_file == NULL) |
34 | return -1; |
35 | |
36 | ret = fseek(tmp_file, 0, SEEK_END); |
37 | fs = ftell(tmp_file); // used to calculate length |
38 | fseek(tmp_file, 0, SEEK_SET); |
39 | |
9c9cda8c |
40 | #ifdef _PSP_FW_VERSION |
9037e45d |
41 | // some systems (like PSP) can't have many open files at a time, |
42 | // so we work with their names instead. |
43 | fclose(tmp_file); |
44 | tmp_file = (void *) strdup(fname); |
45 | #endif |
46 | Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs); |
47 | Tracks[index].KBtps >>= 3; |
48 | if (ret != 0 || Tracks[index].KBtps <= 0) |
49 | { |
50 | elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, Tracks[index].KBtps); |
9c9cda8c |
51 | #ifdef _PSP_FW_VERSION |
9037e45d |
52 | free(tmp_file); |
9c9cda8c |
53 | #else |
54 | fclose(tmp_file); |
9037e45d |
55 | #endif |
56 | return -1; |
57 | } |
58 | |
59 | Tracks[index].F = tmp_file; |
60 | |
61 | // MP3 File |
e71fae1f |
62 | Tracks[index].ftype = CT_MP3; |
9037e45d |
63 | fs *= 75; |
64 | fs /= Tracks[index].KBtps * 1000; |
65 | Tracks[index].Length = fs; |
66 | Tracks[index].Offset = 0; |
67 | |
68 | return 0; |
69 | } |
70 | |
71 | PICO_INTERNAL int Load_CD_Image(const char *cd_img_name, cd_img_type type) |
72 | { |
e71fae1f |
73 | int i, j, num_track, Cur_LBA, index, ret; |
74 | int iso_name_len, missed, cd_img_sectors; |
75736070 |
75 | _scd_track *Tracks = Pico_mcd->TOC.Tracks; |
e71fae1f |
76 | char tmp_name[256], tmp_ext[10], tmp_ext_u[10]; |
9037e45d |
77 | cue_data_t *cue_data = NULL; |
83bd0b76 |
78 | pm_file *pmf; |
9c9cda8c |
79 | static const char *exts[] = { |
bf098bc5 |
80 | "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3", |
81 | "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3", |
bf098bc5 |
82 | }; |
83 | |
b2451ac6 |
84 | if (PicoCDLoadProgressCB != NULL) |
85 | PicoCDLoadProgressCB(cd_img_name, 1); |
4b167c12 |
86 | |
bf098bc5 |
87 | Unload_ISO(); |
88 | |
e71fae1f |
89 | /* is this a .cue? */ |
90 | cue_data = cue_parse(cd_img_name); |
91 | if (cue_data != NULL) { |
9037e45d |
92 | cd_img_name = cue_data->tracks[1].fname; |
e71fae1f |
93 | Tracks[0].ftype = cue_data->tracks[1].type; |
94 | } |
95 | else |
96 | Tracks[0].ftype = type == CIT_BIN ? CT_BIN : CT_ISO; |
bf098bc5 |
97 | |
9037e45d |
98 | Tracks[0].F = pmf = pm_open(cd_img_name); |
bf098bc5 |
99 | if (Tracks[0].F == NULL) |
100 | { |
75736070 |
101 | Tracks[0].ftype = 0; |
cb0316e4 |
102 | Tracks[0].Length = 0; |
9037e45d |
103 | if (cue_data != NULL) |
104 | cue_destroy(cue_data); |
bf098bc5 |
105 | return -1; |
106 | } |
107 | |
e71fae1f |
108 | if (Tracks[0].ftype == CT_ISO) |
9037e45d |
109 | cd_img_sectors = pmf->size >>= 11; // size in sectors |
110 | else cd_img_sectors = pmf->size /= 2352; |
111 | Tracks[0].Offset = 0; |
bf098bc5 |
112 | |
75736070 |
113 | Tracks[0].MSF.M = 0; // minutes |
114 | Tracks[0].MSF.S = 2; // seconds |
115 | Tracks[0].MSF.F = 0; // frames |
bf098bc5 |
116 | |
e71fae1f |
117 | elprintf(EL_STATUS, "Track 1: %02d:%02d:%02d %9i DATA %s", |
118 | Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F, |
119 | Tracks[0].Length, cd_img_name); |
9037e45d |
120 | |
121 | Cur_LBA = Tracks[0].Length = cd_img_sectors; |
122 | |
123 | if (cue_data != NULL) |
124 | { |
125 | if (cue_data->tracks[2].fname == NULL) { // NULL means track2 is in same file as track1 |
126 | Cur_LBA = Tracks[0].Length = cue_data->tracks[2].sector_offset; |
127 | } |
c9e1affc |
128 | i = 100 / cue_data->track_count+1; |
9037e45d |
129 | for (num_track = 2; num_track <= cue_data->track_count; num_track++) |
130 | { |
b2451ac6 |
131 | if (PicoCDLoadProgressCB != NULL) |
132 | PicoCDLoadProgressCB(cd_img_name, i * num_track); |
9037e45d |
133 | index = num_track - 1; |
134 | Cur_LBA += cue_data->tracks[num_track].pregap; |
135 | if (cue_data->tracks[num_track].type == CT_MP3) { |
136 | ret = audio_track_mp3(cue_data->tracks[num_track].fname, index); |
137 | if (ret != 0) break; |
138 | } |
139 | else |
140 | { |
141 | Tracks[index].ftype = cue_data->tracks[num_track].type; |
142 | if (cue_data->tracks[num_track].fname != NULL) |
143 | { |
0bccafeb |
144 | pm_file *pmfn = pm_open(cue_data->tracks[num_track].fname); |
145 | if (pmfn != NULL) |
146 | { |
147 | // addume raw, ignore header for wav.. |
148 | Tracks[index].F = pmfn; |
149 | Tracks[index].Length = pmfn->size / 2352; |
150 | Tracks[index].Offset = cue_data->tracks[num_track].sector_offset; |
151 | } |
152 | else |
153 | { |
154 | elprintf(EL_STATUS, "track %2i (%s): can't determine length", |
155 | num_track, cue_data->tracks[num_track].fname); |
156 | Tracks[index].Length = 2*75; |
157 | Tracks[index].Offset = 0; |
158 | } |
159 | } |
160 | else |
161 | { |
9037e45d |
162 | if (num_track < cue_data->track_count) |
163 | Tracks[index].Length = cue_data->tracks[num_track+1].sector_offset - |
164 | cue_data->tracks[num_track].sector_offset; |
165 | else |
166 | Tracks[index].Length = cd_img_sectors - cue_data->tracks[num_track].sector_offset; |
167 | Tracks[index].Offset = cue_data->tracks[num_track].sector_offset; |
168 | } |
169 | } |
170 | |
0bccafeb |
171 | if (cue_data->tracks[num_track].sector_xlength != 0) |
172 | // overriden by custom cue command |
173 | Tracks[index].Length = cue_data->tracks[num_track].sector_xlength; |
174 | |
9037e45d |
175 | LBA_to_MSF(Cur_LBA, &Tracks[index].MSF); |
176 | Cur_LBA += Tracks[index].Length; |
bf098bc5 |
177 | |
e71fae1f |
178 | elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO %s", num_track, Tracks[index].MSF.M, |
9037e45d |
179 | Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, |
180 | cue_data->tracks[num_track].fname); |
181 | } |
182 | cue_destroy(cue_data); |
183 | goto finish; |
184 | } |
bf098bc5 |
185 | |
c9e1affc |
186 | /* mp3 track autosearch, Gens-like */ |
9037e45d |
187 | iso_name_len = strlen(cd_img_name); |
4b167c12 |
188 | if (iso_name_len >= sizeof(tmp_name)) |
189 | iso_name_len = sizeof(tmp_name) - 1; |
bf098bc5 |
190 | |
9037e45d |
191 | for (num_track = 2, i = 0, missed = 0; i < 100 && missed < 4; i++) |
bf098bc5 |
192 | { |
b2451ac6 |
193 | if (PicoCDLoadProgressCB != NULL && i > 1) |
194 | PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4); |
4b167c12 |
195 | |
196 | for (j = 0; j < sizeof(exts)/sizeof(char *); j++) |
bf098bc5 |
197 | { |
cb0316e4 |
198 | int ext_len; |
9c9cda8c |
199 | char *p; |
200 | |
201 | index = num_track - 1; |
202 | |
bf098bc5 |
203 | sprintf(tmp_ext, exts[j], i); |
cb0316e4 |
204 | ext_len = strlen(tmp_ext); |
9c9cda8c |
205 | to_upper(tmp_ext_u, tmp_ext); |
cb0316e4 |
206 | |
9037e45d |
207 | memcpy(tmp_name, cd_img_name, iso_name_len + 1); |
9c9cda8c |
208 | p = tmp_name + iso_name_len - 4; |
bf098bc5 |
209 | |
9c9cda8c |
210 | strcpy(p, tmp_ext); |
9037e45d |
211 | ret = audio_track_mp3(tmp_name, index); |
9c9cda8c |
212 | if (ret != 0) { |
213 | strcpy(p, tmp_ext_u); |
214 | ret = audio_track_mp3(tmp_name, index); |
215 | } |
216 | |
9037e45d |
217 | if (ret != 0 && i > 1 && iso_name_len > ext_len) { |
9c9cda8c |
218 | p = tmp_name + iso_name_len - ext_len; |
219 | strcpy(p, tmp_ext); |
9037e45d |
220 | ret = audio_track_mp3(tmp_name, index); |
9c9cda8c |
221 | if (ret != 0) { |
222 | strcpy(p, tmp_ext_u); |
223 | ret = audio_track_mp3(tmp_name, index); |
224 | } |
cb0316e4 |
225 | } |
bf098bc5 |
226 | |
9037e45d |
227 | if (ret == 0) |
bf098bc5 |
228 | { |
75736070 |
229 | LBA_to_MSF(Cur_LBA, &Tracks[index].MSF); |
cb0316e4 |
230 | Cur_LBA += Tracks[index].Length; |
231 | |
0bccafeb |
232 | elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M, |
9037e45d |
233 | Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, tmp_name); |
bf098bc5 |
234 | |
235 | num_track++; |
9037e45d |
236 | missed = 0; |
bf098bc5 |
237 | break; |
238 | } |
239 | } |
c9e1affc |
240 | if (ret != 0 && i > 1) missed++; |
bf098bc5 |
241 | } |
242 | |
9037e45d |
243 | finish: |
75736070 |
244 | Pico_mcd->TOC.Last_Track = num_track - 1; |
bf098bc5 |
245 | |
75736070 |
246 | index = num_track - 1; |
bf098bc5 |
247 | |
75736070 |
248 | LBA_to_MSF(Cur_LBA, &Tracks[index].MSF); |
bf098bc5 |
249 | |
9037e45d |
250 | elprintf(EL_STATUS, "End CD - %02d:%02d:%02d\n", Tracks[index].MSF.M, |
75736070 |
251 | Tracks[index].MSF.S, Tracks[index].MSF.F); |
bf098bc5 |
252 | |
b2451ac6 |
253 | if (PicoCDLoadProgressCB != NULL) |
254 | PicoCDLoadProgressCB(cd_img_name, 100); |
4b167c12 |
255 | |
bf098bc5 |
256 | return 0; |
257 | } |
258 | |
259 | |
eff55556 |
260 | PICO_INTERNAL void Unload_ISO(void) |
bf098bc5 |
261 | { |
262 | int i; |
263 | |
75736070 |
264 | if (Pico_mcd == NULL) return; |
bf098bc5 |
265 | |
83bd0b76 |
266 | if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F); |
267 | |
268 | for(i = 1; i < 100; i++) |
bf098bc5 |
269 | { |
4b167c12 |
270 | if (Pico_mcd->TOC.Tracks[i].F != NULL) |
9037e45d |
271 | { |
e71fae1f |
272 | if (Pico_mcd->TOC.Tracks[i].ftype == CT_MP3) |
9c9cda8c |
273 | #ifdef _PSP_FW_VERSION |
9037e45d |
274 | free(Pico_mcd->TOC.Tracks[i].F); |
c9e1affc |
275 | #else |
9037e45d |
276 | fclose(Pico_mcd->TOC.Tracks[i].F); |
c9e1affc |
277 | #endif |
278 | else |
279 | pm_close(Pico_mcd->TOC.Tracks[i].F); |
9037e45d |
280 | } |
bf098bc5 |
281 | } |
83bd0b76 |
282 | memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks)); |
bf098bc5 |
283 | } |
284 | |
285 | |
eff55556 |
286 | PICO_INTERNAL int FILE_Read_One_LBA_CDC(void) |
bf098bc5 |
287 | { |
bf098bc5 |
288 | if (Pico_mcd->s68k_regs[0x36] & 1) // DATA |
289 | { |
75736070 |
290 | if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1; |
bf098bc5 |
291 | |
75736070 |
292 | // moved below.. |
293 | //fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET); |
294 | //fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F); |
bf098bc5 |
295 | |
c459aefd |
296 | cdprintf("Read file CDC 1 data sector :\n"); |
bf098bc5 |
297 | } |
298 | else // AUDIO |
299 | { |
c459aefd |
300 | cdprintf("Read file CDC 1 audio sector :\n"); |
bf098bc5 |
301 | } |
302 | |
303 | // Update CDC stuff |
304 | |
305 | CDC_Update_Header(); |
306 | |
307 | if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track |
308 | { |
309 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable |
310 | { |
311 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer |
312 | { |
0a051f55 |
313 | int where_read = 0; |
314 | |
bf098bc5 |
315 | // CAUTION : lookahead bit not implemented |
316 | |
0a051f55 |
317 | if (Pico_mcd->scd.Cur_LBA < 0) |
318 | where_read = 0; |
319 | else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length) |
320 | where_read = Pico_mcd->TOC.Tracks[0].Length - 1; |
321 | else where_read = Pico_mcd->scd.Cur_LBA; |
322 | |
bf098bc5 |
323 | Pico_mcd->scd.Cur_LBA++; |
324 | |
325 | Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA |
326 | Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF; |
327 | |
83bd0b76 |
328 | *(unsigned int *)(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N; |
75736070 |
329 | //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048); |
330 | |
0a051f55 |
331 | //pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET); |
332 | //pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F); |
333 | PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read); |
bf098bc5 |
334 | |
c459aefd |
335 | cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF); |
336 | cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0, |
bf098bc5 |
337 | Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3); |
338 | cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n", |
339 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF], |
340 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF], |
341 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF], |
342 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF], |
343 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF], |
344 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]); |
bf098bc5 |
345 | } |
346 | |
347 | } |
348 | } |
349 | else // music track |
350 | { |
351 | Pico_mcd->scd.Cur_LBA++; |
352 | |
353 | Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA |
354 | Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF; |
355 | |
356 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable |
357 | { |
358 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer |
359 | { |
360 | // CAUTION : lookahead bit not implemented |
361 | |
c9e1affc |
362 | // this is pretty rough, but oh well - not much depends on this anyway |
363 | memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cdda_out_buffer, 2352); |
bf098bc5 |
364 | } |
365 | } |
366 | } |
367 | |
368 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable |
369 | { |
370 | Pico_mcd->cdc.STAT.B.B0 = 0x80; |
371 | |
372 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ? |
373 | { |
374 | Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08; |
375 | } |
376 | else |
377 | { |
378 | Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C; |
379 | } |
380 | |
381 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done |
382 | else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done |
383 | |
384 | if (Pico_mcd->cdc.IFCTRL & 0x20) |
385 | { |
386 | if (Pico_mcd->s68k_regs[0x33] & (1<<5)) |
387 | { |
ca61ee42 |
388 | elprintf(EL_INTS, "cdc dec irq 5"); |
bf098bc5 |
389 | SekInterruptS68k(5); |
390 | } |
391 | |
75736070 |
392 | Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen |
393 | Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int |
bf098bc5 |
394 | } |
395 | } |
396 | |
397 | |
398 | return 0; |
399 | } |
400 | |