cue/bin finally implemented
[picodrive.git] / Pico / cd / cd_file.c
index 4f11ba5..b38fd95 100644 (file)
-/*
-#include <stdio.h>
-#include <string.h>
-#if defined(__WIN__)
-#include <windows.h>
-#else
-#include "port.h"
-#endif
-#include "cd_sys.h"
-#include "cd_file.h"
-#include "lc89510.h"
-#include "cdda_mp3.h"
-#include "star_68k.h"
-#include "rom.h"
-#include "mem_s68k.h"
-*/
-
-#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
 
-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;
-       _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",
-               /* "%02d.wav", " %02d.wav", "-%02d.wav", "_%02d.wav", " - %02d.wav",
-               "%d.wav", " %d.wav", "-%d.wav", "_%d.wav", " - %2d.wav" */
+#if CASE_SENSITIVE_FS
+               "%02d.MP3", " %02d.MP3", "-%02d.MP3", "_%02d.MP3", " - %02d.MP3",
+#endif
        };
 
-       Unload_ISO();
-
-       Tracks[0].Type = is_bin ? TYPE_BIN : TYPE_ISO;
-
-       ret = stat(iso_name, &file_stat);
-       if (ret != 0) return -1;
+       if (PicoCDLoadProgressCB != NULL) PicoCDLoadProgressCB(1);
 
-       Tracks[0].Lenght = file_stat.st_size;
+       Unload_ISO();
 
-       if (Tracks[0].Type == TYPE_ISO) Tracks[0].Lenght >>= 11;        // size in sectors
-       else Tracks[0].Lenght /= 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].Lenght = 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  0: %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;
 
-       SCD_TOC_Tracks[0].MSF.M = 0;
-       SCD_TOC_Tracks[0].MSF.S = 2;
-       SCD_TOC_Tracks[0].MSF.F = 0;
+       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)
+                               {
+                                       Tracks[index].F = pm_open(cue_data->tracks[num_track].fname);
+                                       elprintf(EL_STATUS, "track %2i (%s): can't determine length",
+                                               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;
+                               }
+                       }
 
-       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].Lenght;                             // Size in sectors
+                       elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", index, 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);
+       /* 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++)
        {
-               if (sizeof(exts)/sizeof(char *) != 10) { printf("eee"); exit(1); }
+               if (PicoCDLoadProgressCB != NULL && i > 1) PicoCDLoadProgressCB(i + (100-i)*missed/4);
 
-               for(j = 0; j < sizeof(exts)/sizeof(char *); j++)
+               for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
                {
-                       tmp_name[strlen(iso_name) - 4] = 0;
+                       int ext_len;
                        sprintf(tmp_ext, exts[j], i);
+                       ext_len = strlen(tmp_ext);
+
+                       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");
+                       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);
+                               ret = audio_track_mp3(tmp_name, index);
+                       }
 
-                       if (tmp_file)
+                       if (ret == 0)
                        {
-                               float fs;
-                               index = num_track - Pico_mcd->scd.TOC.First_Track;
+                               LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
+                               Cur_LBA += Tracks[index].Length;
 
-                               stat(tmp_name, &file_stat);
-
-                               fs = (float) file_stat.st_size;                         // used to calculate lenght
-
-                               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));
-
-                               cdprintf("Track %i - %02d:%02d:%02d %s", index, SCD_TOC_Tracks[index].MSF.M,
-                                       SCD_TOC_Tracks[index].MSF.S, SCD_TOC_Tracks[index].MSF.F,
-                                       SCD_TOC_Tracks[index].Type ? "DATA" : "AUDIO");
-
-                               // MP3 File
-                               Tracks[index].Type = TYPE_MP3;
-                               fs /= (128>>3); // (float) (MP3_Get_Bitrate(Tracks[num_track - 1].F) >> 3);
-                               fs *= 75;
-                               Tracks[index].Lenght = (int) fs;
-                               Cur_LBA += Tracks[index].Lenght;
+                               elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", index, 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;
+
+       if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
 
-       for(i = 0; i < 100; i++)
+       for(i = 1; i < 100; i++)
        {
-               if (Tracks[i].F) fclose(Tracks[i].F);
-               Tracks[i].F = NULL;
-               Tracks[i].Lenght = 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].Lenght) where_read = Tracks[0].Lenght - 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");
        }
 
@@ -221,17 +268,28 @@ int FILE_Read_One_LBA_CDC(void)
                {
                        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);
@@ -242,7 +300,6 @@ int FILE_Read_One_LBA_CDC(void)
                                        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
                        }
 
                }
@@ -260,7 +317,8 @@ int FILE_Read_One_LBA_CDC(void)
                        {
                                // 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);
                        }
                }
        }
@@ -285,12 +343,12 @@ int FILE_Read_One_LBA_CDC(void)
                {
                        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
                }
        }
 
@@ -298,30 +356,3 @@ int FILE_Read_One_LBA_CDC(void)
        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 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;
-
-               // MP3_Play(index, Track_LBA_Pos); // TODO
-       }
-       else
-       {
-               return 3;
-       }
-
-       return 0;
-}
-