4 #include "../PicoInt.h"
6 #define cdprintf dprintf
7 //#define cdprintf(x...)
17 int Load_ISO(const char *iso_name, int is_bin)
19 int i, j, num_track, Cur_LBA, index, ret, iso_name_len;
20 _scd_track *Tracks = Pico_mcd->TOC.Tracks;
21 char tmp_name[1024], tmp_ext[10];
23 static char *exts[] = {
24 "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
25 "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
26 "%02d.MP3", " %02d.MP3", "-%02d.MP3", "_%02d.MP3", " - %02d.MP3",
27 /* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
28 "%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
33 Tracks[0].ftype = is_bin ? TYPE_BIN : TYPE_ISO;
35 Tracks[0].F = pmf = pm_open(iso_name);
36 if (Tracks[0].F == NULL)
43 if (Tracks[0].ftype == TYPE_ISO)
44 Tracks[0].Length = pmf->size >>= 11; // size in sectors
45 else Tracks[0].Length = pmf->size /= 2352;
47 Tracks[0].MSF.M = 0; // minutes
48 Tracks[0].MSF.S = 2; // seconds
49 Tracks[0].MSF.F = 0; // frames
51 cdprintf("Track 0 - %02d:%02d:%02d DATA", Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F);
53 Cur_LBA = Tracks[0].Length; // Size in sectors
55 iso_name_len = strlen(iso_name);
57 for (num_track = 2, i = 0; i < 100; i++)
59 for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
63 sprintf(tmp_ext, exts[j], i);
64 ext_len = strlen(tmp_ext);
66 memcpy(tmp_name, iso_name, iso_name_len + 1);
67 tmp_name[iso_name_len - 4] = 0;
68 strcat(tmp_name, tmp_ext);
70 tmp_file = fopen(tmp_name, "rb");
71 if (!tmp_file && i > 1 && iso_name_len > ext_len) {
72 tmp_name[iso_name_len - ext_len] = 0;
73 strcat(tmp_name, tmp_ext);
74 tmp_file = fopen(tmp_name, "rb");
80 struct stat file_stat;
81 index = num_track - 1;
83 ret = stat(tmp_name, &file_stat);
84 fs = file_stat.st_size; // used to calculate lenght
86 Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
87 Tracks[index].KBtps >>= 3;
88 if (ret != 0 || Tracks[index].KBtps <= 0)
90 cdprintf("Error track %i: stat %i, rate %i", index, ret, Tracks[index].KBtps);
95 Tracks[index].F = tmp_file;
97 LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
100 Tracks[index].ftype = TYPE_MP3;
102 fs /= Tracks[index].KBtps * 1000;
103 Tracks[index].Length = fs;
104 Cur_LBA += Tracks[index].Length;
106 cdprintf("Track %i: %s - %02d:%02d:%02d len=%i AUDIO", index, tmp_name, Tracks[index].MSF.M,
107 Tracks[index].MSF.S, Tracks[index].MSF.F, fs);
115 Pico_mcd->TOC.Last_Track = num_track - 1;
117 index = num_track - 1;
119 LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
121 cdprintf("End CD - %02d:%02d:%02d\n\n", Tracks[index].MSF.M,
122 Tracks[index].MSF.S, Tracks[index].MSF.F);
128 void Unload_ISO(void)
132 if (Pico_mcd == NULL) return;
134 if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
136 for(i = 1; i < 100; i++)
138 if (Pico_mcd->TOC.Tracks[i].F) fclose(Pico_mcd->TOC.Tracks[i].F);
140 memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks));
144 void PicoCDBufferRead(void *dest, int lba);
147 int FILE_Read_One_LBA_CDC(void)
149 // static char cp_buf[2560];
151 if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
153 if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;
156 //fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
157 //fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F);
159 cdprintf("Read file CDC 1 data sector :\n");
163 // int rate, channel;
165 // if (Pico_mcd->TOC.Tracks[Pico_mcd->scd.Cur_Track - 1].ftype == TYPE_MP3)
168 // MP3_Update(cp_buf, &rate, &channel, 0);
169 // Write_CD_Audio((short *) cp_buf, rate, channel, 588);
172 cdprintf("Read file CDC 1 audio sector :\n");
179 if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
181 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
183 if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
187 // CAUTION : lookahead bit not implemented
189 if (Pico_mcd->scd.Cur_LBA < 0)
191 else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length)
192 where_read = Pico_mcd->TOC.Tracks[0].Length - 1;
193 else where_read = Pico_mcd->scd.Cur_LBA;
195 Pico_mcd->scd.Cur_LBA++;
197 Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
198 Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
200 *(unsigned int *)(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N;
201 //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
203 //pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
204 //pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F);
205 PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read);
208 cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
209 cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
210 Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
211 cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
212 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
213 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
214 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
215 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
216 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
217 Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
225 Pico_mcd->scd.Cur_LBA++;
227 Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
228 Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
230 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
232 if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
234 // CAUTION : lookahead bit not implemented
236 //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
241 if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
243 Pico_mcd->cdc.STAT.B.B0 = 0x80;
245 if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
247 Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
251 Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
254 if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
255 else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
257 if (Pico_mcd->cdc.IFCTRL & 0x20)
259 if (Pico_mcd->s68k_regs[0x33] & (1<<5))
261 dprintf("cdc dec irq 5");
265 Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
266 Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int
275 int FILE_Play_CD_LBA(void)
277 int index = Pico_mcd->scd.Cur_Track - 1;
278 Pico_mcd->m.audio_track = index;
280 cdprintf("Play track #%i", Pico_mcd->scd.Cur_Track);
282 if (Pico_mcd->TOC.Tracks[index].F == NULL)
287 if (Pico_mcd->TOC.Tracks[index].ftype == TYPE_MP3)
290 int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track);
291 if (Track_LBA_Pos < 0) Track_LBA_Pos = 0;
293 pos1024 = Track_LBA_Pos * 1024 / Pico_mcd->TOC.Tracks[index].Length;
295 mp3_start_play(Pico_mcd->TOC.Tracks[index].F, pos1024);