| 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 | |
| 23 | #define cdprintf dprintf |
| 24 | //#define cdprintf(x...) |
| 25 | #define DEBUG_CD |
| 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 | |
| 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, |
| 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 | |
| 131 | cdprintf("Track %i - %02d:%02d:%02d %s", index, SCD_TOC_Tracks[index].MSF.M, |
| 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 | |
| 198 | cdprintf("Read file CDC 1 data sector :\n"); |
| 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 | |
| 211 | cdprintf("Read file CDC 1 audio sector :\n"); |
| 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 |
| 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, |
| 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 | |
| 306 | cdprintf("Play FILE Comp"); |
| 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 | |