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1 | /* |
2 | #include <stdio.h> |
3 | #include <string.h> |
4 | #if defined(__WIN__) |
5 | #include <windows.h> |
6 | #else |
7 | #include "port.h" |
8 | #endif |
9 | #include "cd_sys.h" |
10 | #include "cd_file.h" |
11 | #include "lc89510.h" |
12 | #include "cdda_mp3.h" |
13 | #include "star_68k.h" |
14 | #include "rom.h" |
15 | #include "mem_s68k.h" |
16 | */ |
17 | |
18 | #include <sys/stat.h> |
19 | #include "cd_file.h" |
20 | |
21 | #include "../PicoInt.h" |
22 | |
c459aefd |
23 | #define cdprintf dprintf |
bf098bc5 |
24 | //#define cdprintf(x...) |
c459aefd |
25 | #define DEBUG_CD |
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26 | |
27 | struct _file_track Tracks[100]; |
28 | char Track_Played; |
29 | |
30 | |
31 | int FILE_Init(void) |
32 | { |
33 | // MP3_Init(); // TODO |
34 | Unload_ISO(); |
35 | |
36 | return 0; |
37 | } |
38 | |
39 | |
40 | void FILE_End(void) |
41 | { |
42 | Unload_ISO(); |
43 | } |
44 | |
45 | |
46 | int Load_ISO(const char *iso_name, int is_bin) |
47 | { |
48 | struct stat file_stat; |
49 | int i, j, num_track, Cur_LBA, index, ret; |
50 | _scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks; |
51 | FILE *tmp_file; |
52 | char tmp_name[1024], tmp_ext[10]; |
53 | static char *exts[] = { |
54 | "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3", |
55 | "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3", |
56 | /* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav", |
57 | "%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */ |
58 | }; |
59 | |
60 | Unload_ISO(); |
61 | |
62 | Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO; |
63 | |
64 | ret = stat(iso_name, &file_stat); |
65 | if (ret != 0) return -1; |
66 | |
67 | Tracks[0].Lenght = file_stat.st_size; |
68 | |
69 | if (Tracks[0].Type == TYPE_ISO) Tracks[0].Lenght >>= 11; // size in sectors |
70 | else Tracks[0].Lenght /= 2352; // size in sectors |
71 | |
72 | |
73 | Tracks[0].F = fopen(iso_name, "rb"); |
74 | if (Tracks[0].F == NULL) |
75 | { |
76 | Tracks[0].Type = 0; |
77 | Tracks[0].Lenght = 0; |
78 | return -1; |
79 | } |
80 | |
81 | if (Tracks[0].Type == TYPE_ISO) fseek(Tracks[0].F, 0x100, SEEK_SET); |
82 | else fseek(Tracks[0].F, 0x110, SEEK_SET); |
83 | |
84 | // fread(buf, 1, 0x200, Tracks[0].F); |
85 | fseek(Tracks[0].F, 0, SEEK_SET); |
86 | |
87 | Pico_mcd->scd.TOC.First_Track = 1; |
88 | |
89 | SCD_TOC_Tracks[0].Num = 1; |
90 | SCD_TOC_Tracks[0].Type = 1; // DATA |
91 | |
92 | SCD_TOC_Tracks[0].MSF.M = 0; |
93 | SCD_TOC_Tracks[0].MSF.S = 2; |
94 | SCD_TOC_Tracks[0].MSF.F = 0; |
95 | |
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96 | cdprintf("Track 0 - %02d:%02d:%02d %s", SCD_TOC_Tracks[0].MSF.M, SCD_TOC_Tracks[0].MSF.S, SCD_TOC_Tracks[0].MSF.F, |
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97 | SCD_TOC_Tracks[0].Type ? "DATA" : "AUDIO"); |
98 | |
99 | Cur_LBA = Tracks[0].Lenght; // Size in sectors |
100 | |
101 | strcpy(tmp_name, iso_name); |
102 | |
103 | for(num_track = 2, i = 0; i < 100; i++) |
104 | { |
105 | if (sizeof(exts)/sizeof(char *) != 10) { printf("eee"); exit(1); } |
106 | |
107 | for(j = 0; j < sizeof(exts)/sizeof(char *); j++) |
108 | { |
109 | tmp_name[strlen(iso_name) - 4] = 0; |
110 | sprintf(tmp_ext, exts[j], i); |
111 | strcat(tmp_name, tmp_ext); |
112 | |
113 | tmp_file = fopen(tmp_name, "rb"); |
114 | |
115 | if (tmp_file) |
116 | { |
117 | float fs; |
118 | index = num_track - Pico_mcd->scd.TOC.First_Track; |
119 | |
120 | stat(tmp_name, &file_stat); |
121 | |
122 | fs = (float) file_stat.st_size; // used to calculate lenght |
123 | |
124 | Tracks[index].F = tmp_file; |
125 | |
126 | SCD_TOC_Tracks[index].Num = num_track; |
127 | SCD_TOC_Tracks[index].Type = 0; // AUDIO |
128 | |
129 | LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF)); |
130 | |
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131 | cdprintf("Track %i - %02d:%02d:%02d %s", index, SCD_TOC_Tracks[index].MSF.M, |
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132 | SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F, |
133 | SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO"); |
134 | |
135 | // MP3 File |
136 | Tracks[index].Type = TYPE_MP3; |
137 | fs /= (128>>3); // (float) (MP3_Get_Bitrate(Tracks[num_track - 1].F) >> 3); |
138 | fs *= 75; |
139 | Tracks[index].Lenght = (int) fs; |
140 | Cur_LBA += Tracks[index].Lenght; |
141 | |
142 | num_track++; |
143 | break; |
144 | } |
145 | } |
146 | } |
147 | |
148 | Pico_mcd->scd.TOC.Last_Track = num_track - 1; |
149 | |
150 | index = num_track - Pico_mcd->scd.TOC.First_Track; |
151 | SCD_TOC_Tracks[index].Num = num_track; |
152 | SCD_TOC_Tracks[index].Type = 0; |
153 | |
154 | LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF)); |
155 | |
156 | cdprintf("End CD - %02d:%02d:%02d\n\n", SCD_TOC_Tracks[index].MSF.M, |
157 | SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F); |
158 | |
159 | return 0; |
160 | } |
161 | |
162 | |
163 | void Unload_ISO(void) |
164 | { |
165 | int i; |
166 | |
167 | Track_Played = 99; |
168 | |
169 | for(i = 0; i < 100; i++) |
170 | { |
171 | if (Tracks[i].F) fclose(Tracks[i].F); |
172 | Tracks[i].F = NULL; |
173 | Tracks[i].Lenght = 0; |
174 | Tracks[i].Type = 0; |
175 | } |
176 | } |
177 | |
178 | |
179 | int FILE_Read_One_LBA_CDC(void) |
180 | { |
181 | int where_read; |
182 | static char cp_buf[2560]; |
183 | |
184 | if (Pico_mcd->s68k_regs[0x36] & 1) // DATA |
185 | { |
186 | if (Tracks[0].F == NULL) return -1; |
187 | |
188 | if (Pico_mcd->scd.Cur_LBA < 0) where_read = 0; |
189 | else if (Pico_mcd->scd.Cur_LBA >= Tracks[0].Lenght) where_read = Tracks[0].Lenght - 1; |
190 | else where_read = Pico_mcd->scd.Cur_LBA; |
191 | |
192 | if (Tracks[0].Type == TYPE_ISO) where_read <<= 11; |
193 | else where_read = (where_read * 2352 + 16); |
194 | |
195 | fseek(Tracks[0].F, where_read, SEEK_SET); |
196 | fread(cp_buf, 1, 2048, Tracks[0].F); |
197 | |
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198 | cdprintf("Read file CDC 1 data sector :\n"); |
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199 | } |
200 | else // AUDIO |
201 | { |
202 | // int rate, channel; |
203 | |
204 | if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3) |
205 | { |
206 | // TODO |
207 | // MP3_Update(cp_buf, &rate, &channel, 0); |
208 | // Write_CD_Audio((short *) cp_buf, rate, channel, 588); |
209 | } |
210 | |
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211 | cdprintf("Read file CDC 1 audio sector :\n"); |
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212 | } |
213 | |
214 | // Update CDC stuff |
215 | |
216 | CDC_Update_Header(); |
217 | |
218 | if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track |
219 | { |
220 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable |
221 | { |
222 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer |
223 | { |
224 | // CAUTION : lookahead bit not implemented |
225 | |
226 | Pico_mcd->scd.Cur_LBA++; |
227 | |
228 | Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA |
229 | Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF; |
230 | |
231 | memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048); |
232 | memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], &Pico_mcd->cdc.HEAD, 4); |
233 | |
234 | #ifdef DEBUG_CD |
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235 | cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF); |
236 | cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0, |
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237 | Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3); |
238 | cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n", |
239 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF], |
240 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF], |
241 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF], |
242 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF], |
243 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF], |
244 | Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]); |
245 | #endif |
246 | } |
247 | |
248 | } |
249 | } |
250 | else // music track |
251 | { |
252 | Pico_mcd->scd.Cur_LBA++; |
253 | |
254 | Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA |
255 | Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF; |
256 | |
257 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable |
258 | { |
259 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer |
260 | { |
261 | // CAUTION : lookahead bit not implemented |
262 | |
263 | memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352); |
264 | } |
265 | } |
266 | } |
267 | |
268 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable |
269 | { |
270 | Pico_mcd->cdc.STAT.B.B0 = 0x80; |
271 | |
272 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ? |
273 | { |
274 | Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08; |
275 | } |
276 | else |
277 | { |
278 | Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C; |
279 | } |
280 | |
281 | if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done |
282 | else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done |
283 | |
284 | if (Pico_mcd->cdc.IFCTRL & 0x20) |
285 | { |
286 | if (Pico_mcd->s68k_regs[0x33] & (1<<5)) |
287 | { |
288 | dprintf("cdc dec irq 5"); |
289 | SekInterruptS68k(5); |
290 | } |
291 | |
292 | Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen |
293 | CDC_Decode_Reg_Read = 0; // Reset read after DEC int |
294 | } |
295 | } |
296 | |
297 | |
298 | return 0; |
299 | } |
300 | |
301 | |
302 | int FILE_Play_CD_LBA(void) |
303 | { |
304 | int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track; |
305 | |
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306 | cdprintf("Play FILE Comp"); |
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307 | |
308 | if (Tracks[index].F == NULL) |
309 | { |
310 | return 1; |
311 | } |
312 | |
313 | if (Tracks[index].Type == TYPE_MP3) |
314 | { |
315 | int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track); |
316 | if (Track_LBA_Pos < 0) Track_LBA_Pos = 0; |
317 | |
318 | // MP3_Play(index, Track_LBA_Pos); // TODO |
319 | } |
320 | else |
321 | { |
322 | return 3; |
323 | } |
324 | |
325 | return 0; |
326 | } |
327 | |