-#include <sys/stat.h>
-#include "cd_file.h"
+/***********************************************************
+ * *
+ * This source was taken from the Gens project *
+ * Written by Stéphane Dallongeville *
+ * Copyright (c) 2002 by Stéphane Dallongeville *
+ * Modified/adapted for PicoDrive by notaz, 2007 *
+ * *
+ ***********************************************************/
#include "../PicoInt.h"
+#include "cd_file.h"
+#include "cue.h"
-#define cdprintf dprintf
-//#define cdprintf(x...)
-#define DEBUG_CD
+//#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp
-// TODO: check refs, move 2 context
-struct _file_track Tracks[100];
-char Track_Played;
+static int audio_track_mp3(const char *fname, int index)
+{
+ _scd_track *Tracks = Pico_mcd->TOC.Tracks;
+ FILE *tmp_file;
+ int fs, ret;
+ tmp_file = fopen(fname, "rb");
+ if (tmp_file == NULL)
+ return -1;
-int FILE_Init(void)
-{
-// MP3_Init(); // TODO
- Unload_ISO();
+ ret = fseek(tmp_file, 0, SEEK_END);
+ fs = ftell(tmp_file); // used to calculate length
+ fseek(tmp_file, 0, SEEK_SET);
- return 0;
-}
+#if DONT_OPEN_MANY_FILES
+ // some systems (like PSP) can't have many open files at a time,
+ // so we work with their names instead.
+ fclose(tmp_file);
+ tmp_file = (void *) strdup(fname);
+#endif
+ Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
+ Tracks[index].KBtps >>= 3;
+ if (ret != 0 || Tracks[index].KBtps <= 0)
+ {
+ elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, Tracks[index].KBtps);
+#if !DONT_OPEN_MANY_FILES
+ fclose(tmp_file);
+#else
+ free(tmp_file);
+#endif
+ return -1;
+ }
+ Tracks[index].F = tmp_file;
-void FILE_End(void)
-{
- Unload_ISO();
-}
+ // MP3 File
+ Tracks[index].ftype = TYPE_MP3;
+ fs *= 75;
+ fs /= Tracks[index].KBtps * 1000;
+ Tracks[index].Length = fs;
+ Tracks[index].Offset = 0;
+ return 0;
+}
-int Load_ISO(const char *iso_name, int is_bin)
+PICO_INTERNAL int Load_CD_Image(const char *cd_img_name, cd_img_type type)
{
- struct stat file_stat;
- int i, j, num_track, Cur_LBA, index, ret, iso_name_len;
- _scd_track *SCD_TOC_Tracks = Pico_mcd->scd.TOC.Tracks;
- FILE *tmp_file;
+ int i, j, num_track, Cur_LBA, index, ret, iso_name_len, missed, cd_img_sectors;
+ _scd_track *Tracks = Pico_mcd->TOC.Tracks;
char tmp_name[1024], tmp_ext[10];
+ cue_data_t *cue_data = NULL;
+ pm_file *pmf;
static char *exts[] = {
"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
+#if CASE_SENSITIVE_FS
"%02d.MP3", " %02d.MP3", "-%02d.MP3", "_%02d.MP3", " - %02d.MP3",
- /* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
- "%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
+#endif
};
- Unload_ISO();
-
- Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO;
+ if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(1);
- ret = stat(iso_name, &file_stat);
- if (ret != 0) return -1;
-
- Tracks[0].Length = file_stat.st_size;
+ Unload_ISO();
- if (Tracks[0].Type == TYPE_ISO) Tracks[0].Length >>= 11; // size in sectors
- else Tracks[0].Length /= 2352; // size in sectors
+ /* is this .cue? */
+ ret = strlen(cd_img_name);
+ if (ret >= 3 && strcasecmp(cd_img_name + ret - 3, "cue") == 0)
+ cue_data = cue_parse(cd_img_name);
+ if (cue_data != NULL)
+ cd_img_name = cue_data->tracks[1].fname;
+ Tracks[0].ftype = type == CIT_BIN ? TYPE_BIN : TYPE_ISO;
- Tracks[0].F = fopen(iso_name, "rb");
+ Tracks[0].F = pmf = pm_open(cd_img_name);
if (Tracks[0].F == NULL)
{
- Tracks[0].Type = 0;
+ Tracks[0].ftype = 0;
Tracks[0].Length = 0;
+ if (cue_data != NULL)
+ cue_destroy(cue_data);
return -1;
}
- if (Tracks[0].Type == TYPE_ISO) fseek(Tracks[0].F, 0x100, SEEK_SET);
- else fseek(Tracks[0].F, 0x110, SEEK_SET);
+ if (Tracks[0].ftype == TYPE_ISO)
+ cd_img_sectors = pmf->size >>= 11; // size in sectors
+ else cd_img_sectors = pmf->size /= 2352;
+ Tracks[0].Offset = 0;
- // fread(buf, 1, 0x200, Tracks[0].F);
- fseek(Tracks[0].F, 0, SEEK_SET);
+ Tracks[0].MSF.M = 0; // minutes
+ Tracks[0].MSF.S = 2; // seconds
+ Tracks[0].MSF.F = 0; // frames
- Pico_mcd->scd.TOC.First_Track = 1;
+ elprintf(EL_STATUS, "Track 1: %02d:%02d:%02d %9i DATA",
+ Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F, Tracks[0].Length);
- SCD_TOC_Tracks[0].Num = 1;
- SCD_TOC_Tracks[0].Type = 1; // DATA
+ Cur_LBA = Tracks[0].Length = cd_img_sectors;
+
+ if (cue_data != NULL)
+ {
+ if (cue_data->tracks[2].fname == NULL) { // NULL means track2 is in same file as track1
+ Cur_LBA = Tracks[0].Length = cue_data->tracks[2].sector_offset;
+ }
+ i = 100 / cue_data->track_count+1;
+ for (num_track = 2; num_track <= cue_data->track_count; num_track++)
+ {
+ if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(i * num_track);
+ index = num_track - 1;
+ Cur_LBA += cue_data->tracks[num_track].pregap;
+ if (cue_data->tracks[num_track].type == CT_MP3) {
+ ret = audio_track_mp3(cue_data->tracks[num_track].fname, index);
+ if (ret != 0) break;
+ }
+ else
+ {
+ Tracks[index].ftype = cue_data->tracks[num_track].type;
+ if (cue_data->tracks[num_track].fname != NULL)
+ {
+ pm_file *pmfn = pm_open(cue_data->tracks[num_track].fname);
+ if (pmfn != NULL)
+ {
+ // addume raw, ignore header for wav..
+ Tracks[index].F = pmfn;
+ Tracks[index].Length = pmfn->size / 2352;
+ Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
+ }
+ else
+ {
+ elprintf(EL_STATUS, "track %2i (%s): can't determine length",
+ num_track, cue_data->tracks[num_track].fname);
+ Tracks[index].Length = 2*75;
+ Tracks[index].Offset = 0;
+ }
+ }
+ else
+ {
+ if (num_track < cue_data->track_count)
+ Tracks[index].Length = cue_data->tracks[num_track+1].sector_offset -
+ cue_data->tracks[num_track].sector_offset;
+ else
+ Tracks[index].Length = cd_img_sectors - cue_data->tracks[num_track].sector_offset;
+ Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
+ }
+ }
- SCD_TOC_Tracks[0].MSF.M = 0; // minutes
- SCD_TOC_Tracks[0].MSF.S = 2; // seconds
- SCD_TOC_Tracks[0].MSF.F = 0; // frames
+ if (cue_data->tracks[num_track].sector_xlength != 0)
+ // overriden by custom cue command
+ Tracks[index].Length = cue_data->tracks[num_track].sector_xlength;
- 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,
- SCD_TOC_Tracks[0].Type ? "DATA" : "AUDIO");
+ LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
+ Cur_LBA += Tracks[index].Length;
- Cur_LBA = Tracks[0].Length; // Size in sectors
+ elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M,
+ Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length,
+ cue_data->tracks[num_track].fname);
+ }
+ cue_destroy(cue_data);
+ goto finish;
+ }
- strcpy(tmp_name, iso_name);
- iso_name_len = strlen(iso_name);
+ /* mp3 track autosearch, Gens-like */
+ iso_name_len = strlen(cd_img_name);
+ if (iso_name_len >= sizeof(tmp_name))
+ iso_name_len = sizeof(tmp_name) - 1;
- for (num_track = 2, i = 0; i < 100; i++)
+ for (num_track = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
{
- for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
+ if (PicoCDLoadProgressCB != NULL && i > 1) PicoCDLoadProgressCB(i + (100-i)*missed/4);
+
+ for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
{
int ext_len;
sprintf(tmp_ext, exts[j], i);
ext_len = strlen(tmp_ext);
- memcpy(tmp_name, iso_name, iso_name_len + 1);
+ memcpy(tmp_name, cd_img_name, iso_name_len + 1);
tmp_name[iso_name_len - 4] = 0;
strcat(tmp_name, tmp_ext);
- tmp_file = fopen(tmp_name, "rb");
- if (!tmp_file && i > 1 && iso_name_len > ext_len) {
+ index = num_track - 1;
+ ret = audio_track_mp3(tmp_name, index);
+ if (ret != 0 && i > 1 && iso_name_len > ext_len) {
tmp_name[iso_name_len - ext_len] = 0;
strcat(tmp_name, tmp_ext);
- tmp_file = fopen(tmp_name, "rb");
+ ret = audio_track_mp3(tmp_name, index);
}
- if (tmp_file)
+ if (ret == 0)
{
- // float fs;
- int fs;
- index = num_track - Pico_mcd->scd.TOC.First_Track;
-
- ret = stat(tmp_name, &file_stat);
- fs = file_stat.st_size; // used to calculate lenght
-
- Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
- Tracks[index].KBtps >>= 3;
- if (ret != 0 || Tracks[index].KBtps <= 0)
- {
- cdprintf("Error track %i: stat %i, rate %i", index, ret, Tracks[index].KBtps);
- fclose(tmp_file);
- continue;
- }
-
- Tracks[index].F = tmp_file;
-
- SCD_TOC_Tracks[index].Num = num_track;
- SCD_TOC_Tracks[index].Type = 0; // AUDIO
-
- LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
-
- // MP3 File
- Tracks[index].Type = TYPE_MP3;
- fs *= 75;
- fs /= Tracks[index].KBtps * 1000;
- Tracks[index].Length = fs;
+ LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
Cur_LBA += Tracks[index].Length;
- cdprintf("Track %i: %s - %02d:%02d:%02d len=%i %s", index, tmp_name, SCD_TOC_Tracks[index].MSF.M,
- SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F, fs,
- SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");
+ elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M,
+ Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, tmp_name);
num_track++;
+ missed = 0;
break;
}
}
+ if (ret != 0 && i > 1) missed++;
}
- Pico_mcd->scd.TOC.Last_Track = num_track - 1;
+finish:
+ Pico_mcd->TOC.Last_Track = num_track - 1;
+
+ index = num_track - 1;
- index = num_track - Pico_mcd->scd.TOC.First_Track;
- SCD_TOC_Tracks[index].Num = num_track;
- SCD_TOC_Tracks[index].Type = 0;
+ LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
- LBA_to_MSF(Cur_LBA, &(SCD_TOC_Tracks[index].MSF));
+ elprintf(EL_STATUS, "End CD - %02d:%02d:%02d\n", Tracks[index].MSF.M,
+ Tracks[index].MSF.S, Tracks[index].MSF.F);
- cdprintf("End CD - %02d:%02d:%02d\n\n", SCD_TOC_Tracks[index].MSF.M,
- SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F);
+ if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(100);
return 0;
}
-void Unload_ISO(void)
+PICO_INTERNAL void Unload_ISO(void)
{
int i;
- Track_Played = 99;
+ if (Pico_mcd == NULL) return;
- for(i = 0; i < 100; i++)
+ if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
+
+ for(i = 1; i < 100; i++)
{
- if (Tracks[i].F) fclose(Tracks[i].F);
- Tracks[i].F = NULL;
- Tracks[i].Length = 0;
- Tracks[i].Type = 0;
+ if (Pico_mcd->TOC.Tracks[i].F != NULL)
+ {
+ if (Pico_mcd->TOC.Tracks[i].ftype == TYPE_MP3)
+#if DONT_OPEN_MANY_FILES
+ free(Pico_mcd->TOC.Tracks[i].F);
+#else
+ fclose(Pico_mcd->TOC.Tracks[i].F);
+#endif
+ else
+ pm_close(Pico_mcd->TOC.Tracks[i].F);
+ }
}
+ memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks));
}
-int FILE_Read_One_LBA_CDC(void)
+PICO_INTERNAL int FILE_Read_One_LBA_CDC(void)
{
- int where_read;
- static char cp_buf[2560];
-
if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
{
- if (Tracks[0].F == NULL) return -1;
-
- if (Pico_mcd->scd.Cur_LBA < 0) where_read = 0;
- else if (Pico_mcd->scd.Cur_LBA >= Tracks[0].Length) where_read = Tracks[0].Length - 1;
- else where_read = Pico_mcd->scd.Cur_LBA;
-
- if (Tracks[0].Type == TYPE_ISO) where_read <<= 11;
- else where_read = (where_read * 2352 + 16);
+ if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;
- fseek(Tracks[0].F, where_read, SEEK_SET);
- fread(cp_buf, 1, 2048, Tracks[0].F);
+ // moved below..
+ //fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
+ //fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F);
cdprintf("Read file CDC 1 data sector :\n");
}
else // AUDIO
{
- // int rate, channel;
-
- if (Tracks[Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track].Type == TYPE_MP3)
- {
- // TODO
- // MP3_Update(cp_buf, &rate, &channel, 0);
- // Write_CD_Audio((short *) cp_buf, rate, channel, 588);
- }
-
cdprintf("Read file CDC 1 audio sector :\n");
}
{
if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
{
+ int where_read = 0;
+
// CAUTION : lookahead bit not implemented
+ if (Pico_mcd->scd.Cur_LBA < 0)
+ where_read = 0;
+ else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length)
+ where_read = Pico_mcd->TOC.Tracks[0].Length - 1;
+ else where_read = Pico_mcd->scd.Cur_LBA;
+
Pico_mcd->scd.Cur_LBA++;
Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], &Pico_mcd->cdc.HEAD, 4);
+ *(unsigned int *)(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N;
+ //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
+
+ //pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
+ //pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F);
+ PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read);
-#ifdef DEBUG_CD
cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
-#endif
}
}
{
// CAUTION : lookahead bit not implemented
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cp_buf, 2352);
+ // this is pretty rough, but oh well - not much depends on this anyway
+ memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cdda_out_buffer, 2352);
}
}
}
{
if (Pico_mcd->s68k_regs[0x33] & (1<<5))
{
- dprintf("cdc dec irq 5");
+ elprintf(EL_INTS, "cdc dec irq 5");
SekInterruptS68k(5);
}
- Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
- CDC_Decode_Reg_Read = 0; // Reset read after DEC int
+ Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
+ Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int
}
}
return 0;
}
-
-int FILE_Play_CD_LBA(void)
-{
- int index = Pico_mcd->scd.Cur_Track - Pico_mcd->scd.TOC.First_Track;
-
- cdprintf("Play FILE Comp");
-
- if (Tracks[index].F == NULL)
- {
- return 1;
- }
-
- if (Tracks[index].Type == TYPE_MP3)
- {
- int pos1000 = 0;
- int Track_LBA_Pos = Pico_mcd->scd.Cur_LBA - Track_to_LBA(Pico_mcd->scd.Cur_Track);
- if (Track_LBA_Pos < 0) Track_LBA_Pos = 0;
- if (Track_LBA_Pos)
- pos1000 = Track_LBA_Pos * 1024 / Tracks[index].Length;
-
- mp3_start_play(Tracks[index].F, pos1000);
- }
- else
- {
- return 3;
- }
-
- return 0;
-}
-