[picodrive.git] / pico / cd / cd_file.c

/***********************************************************
 *                                                         *
 * 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 "../pico_int.h"
#include "cd_file.h"
#include "cue.h"

//#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp

static void to_upper(char *d, const char *s)
{
	for (; *s != 0; d++, s++) {
		if ('a' <= *s && *s <= 'z')
			*d = *s - 'a' + 'A';
		else
			*d = *s;
	}
}

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;

	ret = fseek(tmp_file, 0, SEEK_END);
	fs = ftell(tmp_file);				// used to calculate length
	fseek(tmp_file, 0, SEEK_SET);

#ifdef _PSP_FW_VERSION
	// 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);
#ifdef _PSP_FW_VERSION
		free(tmp_file);
#else
		fclose(tmp_file);
#endif
		return -1;
	}

	Tracks[index].F = tmp_file;

	// MP3 File
	Tracks[index].ftype = CT_MP3;
	fs *= 75;
	fs /= Tracks[index].KBtps * 1000;
	Tracks[index].Length = fs;
	Tracks[index].Offset = 0;

	return 0;
}

PICO_INTERNAL int Load_CD_Image(const char *cd_img_name, cd_img_type type)
{
	int i, j, num_track, Cur_LBA, index, ret;
	int iso_name_len, missed, cd_img_sectors;
	_scd_track *Tracks = Pico_mcd->TOC.Tracks;
	char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
	cue_data_t *cue_data = NULL;
	pm_file *pmf;
	static const char *exts[] = {
		"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
		"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
	};

	if (PicoCDLoadProgressCB != NULL)
		PicoCDLoadProgressCB(cd_img_name, 1);

	Unload_ISO();

	/* is this a .cue? */
	cue_data = cue_parse(cd_img_name);
	if (cue_data != NULL) {
		cd_img_name = cue_data->tracks[1].fname;
		Tracks[0].ftype = cue_data->tracks[1].type;
	}
	else
		Tracks[0].ftype = type == CIT_BIN ? CT_BIN : CT_ISO;

	Tracks[0].F = pmf = pm_open(cd_img_name);
	if (Tracks[0].F == NULL)
	{
		Tracks[0].ftype = 0;
		Tracks[0].Length = 0;
		if (cue_data != NULL)
			cue_destroy(cue_data);
		return -1;
	}

	if (Tracks[0].ftype == CT_ISO)
	     cd_img_sectors = pmf->size >>= 11;	// size in sectors
	else cd_img_sectors = pmf->size /= 2352;
	Tracks[0].Offset = 0;

	Tracks[0].MSF.M = 0; // minutes
	Tracks[0].MSF.S = 2; // seconds
	Tracks[0].MSF.F = 0; // frames

	elprintf(EL_STATUS, "Track  1: %02d:%02d:%02d %9i DATA  %s",
		Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F,
		Tracks[0].Length, cd_img_name);

	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(cd_img_name, 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;
				}
			}

			if (cue_data->tracks[num_track].sector_xlength != 0)
				// overriden by custom cue command
				Tracks[index].Length = cue_data->tracks[num_track].sector_xlength;

			LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
			Cur_LBA += Tracks[index].Length;

			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;
	}

	/* 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, missed = 0; i < 100 && missed < 4; i++)
	{
		if (PicoCDLoadProgressCB != NULL && i > 1)
			PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);

		for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
		{
			int ext_len;
			char *p;

			index = num_track - 1;

			sprintf(tmp_ext, exts[j], i);
			ext_len = strlen(tmp_ext);
			to_upper(tmp_ext_u, tmp_ext);

			memcpy(tmp_name, cd_img_name, iso_name_len + 1);
			p = tmp_name + iso_name_len - 4;

			strcpy(p, tmp_ext);
			ret = audio_track_mp3(tmp_name, index);
			if (ret != 0) {
				strcpy(p, tmp_ext_u);
				ret = audio_track_mp3(tmp_name, index);
			}

			if (ret != 0 && i > 1 && iso_name_len > ext_len) {
				p = tmp_name + iso_name_len - ext_len;
				strcpy(p, tmp_ext);
				ret = audio_track_mp3(tmp_name, index);
				if (ret != 0) {
					strcpy(p, tmp_ext_u);
					ret = audio_track_mp3(tmp_name, index);
				}
			}

			if (ret == 0)
			{
				LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
				Cur_LBA += Tracks[index].Length;

				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++;
	}

finish:
	Pico_mcd->TOC.Last_Track = num_track - 1;

	index = num_track - 1;

	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);

	elprintf(EL_STATUS, "End CD -  %02d:%02d:%02d\n", Tracks[index].MSF.M,
		Tracks[index].MSF.S, Tracks[index].MSF.F);

	if (PicoCDLoadProgressCB != NULL)
		PicoCDLoadProgressCB(cd_img_name, 100);

	return 0;
}


PICO_INTERNAL void Unload_ISO(void)
{
	int i;

	if (Pico_mcd == NULL) return;

	if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);

	for(i = 1; i < 100; i++)
	{
		if (Pico_mcd->TOC.Tracks[i].F != NULL)
		{
			if (Pico_mcd->TOC.Tracks[i].ftype == CT_MP3)
#ifdef _PSP_FW_VERSION
				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));
}


PICO_INTERNAL int FILE_Read_One_LBA_CDC(void)
{
	if (Pico_mcd->s68k_regs[0x36] & 1)					// DATA
	{
		if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;

		// 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
	{
		cdprintf("Read file CDC 1 audio sector :\n");
	}

	// Update CDC stuff

	CDC_Update_Header();

	if (Pico_mcd->s68k_regs[0x36] & 1)		// DATA track
	{
		if (Pico_mcd->cdc.CTRL.B.B0 & 0x80)		// DECEN = decoding enable
		{
			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;

				*(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);

				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);
				cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
					Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
					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]);
			}

		}
	}
	else		// music track
	{
		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;

		if (Pico_mcd->cdc.CTRL.B.B0 & 0x80)		// DECEN = decoding enable
		{
			if (Pico_mcd->cdc.CTRL.B.B0 & 0x04)	// WRRQ : this bit enable write to buffer
			{
				// CAUTION : lookahead bit not implemented

				// 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->cdc.CTRL.B.B0 & 0x80)		// DECEN = decoding enable
	{
		Pico_mcd->cdc.STAT.B.B0 = 0x80;

		if (Pico_mcd->cdc.CTRL.B.B0 & 0x10)	// determine form bit form sub header ?
		{
			Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
		}
		else
		{
			Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
		}

		if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20;	// ECC done
		else Pico_mcd->cdc.STAT.B.B3 = 0x00;	// ECC not done

		if (Pico_mcd->cdc.IFCTRL & 0x20)
		{
			if (Pico_mcd->s68k_regs[0x33] & (1<<5))
			{
				elprintf(EL_INTS, "cdc dec irq 5");
				SekInterruptS68k(5);
			}

			Pico_mcd->cdc.IFSTAT &= ~0x20;		// DEC interrupt happen
			Pico_mcd->cdc.Decode_Reg_Read = 0;	// Reset read after DEC int
		}
	}


	return 0;
}
Commit	Line	Data
	1	/***********************************************************
	2	* *
	3	* This source was taken from the Gens project *
	4	* Written by Stéphane Dallongeville *
	5	* Copyright (c) 2002 by Stéphane Dallongeville *
	6	* Modified/adapted for PicoDrive by notaz, 2007 *
	7	* *
	8	***********************************************************/
	9
	10	#include "../pico_int.h"
	11	#include "cd_file.h"
	12	#include "cue.h"
	13
	14	//#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp
	15
	16	static void to_upper(char d, const char s)
	17	{
	18	for (; *s != 0; d++, s++) {
	19	if ('a' <= s && s <= 'z')
	20	d = s - 'a' + 'A';
	21	else
	22	d = s;
	23	}
	24	}
	25
	26	static int audio_track_mp3(const char *fname, int index)
	27	{
	28	_scd_track *Tracks = Pico_mcd->TOC.Tracks;
	29	FILE *tmp_file;
	30	int fs, ret;
	31
	32	tmp_file = fopen(fname, "rb");
	33	if (tmp_file == NULL)
	34	return -1;
	35
	36	ret = fseek(tmp_file, 0, SEEK_END);
	37	fs = ftell(tmp_file); // used to calculate length
	38	fseek(tmp_file, 0, SEEK_SET);
	39
	40	#ifdef _PSP_FW_VERSION
	41	// some systems (like PSP) can't have many open files at a time,
	42	// so we work with their names instead.
	43	fclose(tmp_file);
	44	tmp_file = (void *) strdup(fname);
	45	#endif
	46	Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
	47	Tracks[index].KBtps >>= 3;
	48	if (ret != 0 \|\| Tracks[index].KBtps <= 0)
	49	{
	50	elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, Tracks[index].KBtps);
	51	#ifdef _PSP_FW_VERSION
	52	free(tmp_file);
	53	#else
	54	fclose(tmp_file);
	55	#endif
	56	return -1;
	57	}
	58
	59	Tracks[index].F = tmp_file;
	60
	61	// MP3 File
	62	Tracks[index].ftype = CT_MP3;
	63	fs *= 75;
	64	fs /= Tracks[index].KBtps * 1000;
	65	Tracks[index].Length = fs;
	66	Tracks[index].Offset = 0;
	67
	68	return 0;
	69	}
	70
	71	PICO_INTERNAL int Load_CD_Image(const char *cd_img_name, cd_img_type type)
	72	{
	73	int i, j, num_track, Cur_LBA, index, ret;
	74	int iso_name_len, missed, cd_img_sectors;
	75	_scd_track *Tracks = Pico_mcd->TOC.Tracks;
	76	char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
	77	cue_data_t *cue_data = NULL;
	78	pm_file *pmf;
	79	static const char *exts[] = {
	80	"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
	81	"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
	82	};
	83
	84	if (PicoCDLoadProgressCB != NULL)
	85	PicoCDLoadProgressCB(cd_img_name, 1);
	86
	87	Unload_ISO();
	88
	89	/* is this a .cue? */
	90	cue_data = cue_parse(cd_img_name);
	91	if (cue_data != NULL) {
	92	cd_img_name = cue_data->tracks[1].fname;
	93	Tracks[0].ftype = cue_data->tracks[1].type;
	94	}
	95	else
	96	Tracks[0].ftype = type == CIT_BIN ? CT_BIN : CT_ISO;
	97
	98	Tracks[0].F = pmf = pm_open(cd_img_name);
	99	if (Tracks[0].F == NULL)
	100	{
	101	Tracks[0].ftype = 0;
	102	Tracks[0].Length = 0;
	103	if (cue_data != NULL)
	104	cue_destroy(cue_data);
	105	return -1;
	106	}
	107
	108	if (Tracks[0].ftype == CT_ISO)
	109	cd_img_sectors = pmf->size >>= 11; // size in sectors
	110	else cd_img_sectors = pmf->size /= 2352;
	111	Tracks[0].Offset = 0;
	112
	113	Tracks[0].MSF.M = 0; // minutes
	114	Tracks[0].MSF.S = 2; // seconds
	115	Tracks[0].MSF.F = 0; // frames
	116
	117	elprintf(EL_STATUS, "Track 1: %02d:%02d:%02d %9i DATA %s",
	118	Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F,
	119	Tracks[0].Length, cd_img_name);
	120
	121	Cur_LBA = Tracks[0].Length = cd_img_sectors;
	122
	123	if (cue_data != NULL)
	124	{
	125	if (cue_data->tracks[2].fname == NULL) { // NULL means track2 is in same file as track1
	126	Cur_LBA = Tracks[0].Length = cue_data->tracks[2].sector_offset;
	127	}
	128	i = 100 / cue_data->track_count+1;
	129	for (num_track = 2; num_track <= cue_data->track_count; num_track++)
	130	{
	131	if (PicoCDLoadProgressCB != NULL)
	132	PicoCDLoadProgressCB(cd_img_name, i * num_track);
	133	index = num_track - 1;
	134	Cur_LBA += cue_data->tracks[num_track].pregap;
	135	if (cue_data->tracks[num_track].type == CT_MP3) {
	136	ret = audio_track_mp3(cue_data->tracks[num_track].fname, index);
	137	if (ret != 0) break;
	138	}
	139	else
	140	{
	141	Tracks[index].ftype = cue_data->tracks[num_track].type;
	142	if (cue_data->tracks[num_track].fname != NULL)
	143	{
	144	pm_file *pmfn = pm_open(cue_data->tracks[num_track].fname);
	145	if (pmfn != NULL)
	146	{
	147	// addume raw, ignore header for wav..
	148	Tracks[index].F = pmfn;
	149	Tracks[index].Length = pmfn->size / 2352;
	150	Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
	151	}
	152	else
	153	{
	154	elprintf(EL_STATUS, "track %2i (%s): can't determine length",
	155	num_track, cue_data->tracks[num_track].fname);
	156	Tracks[index].Length = 2*75;
	157	Tracks[index].Offset = 0;
	158	}
	159	}
	160	else
	161	{
	162	if (num_track < cue_data->track_count)
	163	Tracks[index].Length = cue_data->tracks[num_track+1].sector_offset -
	164	cue_data->tracks[num_track].sector_offset;
	165	else
	166	Tracks[index].Length = cd_img_sectors - cue_data->tracks[num_track].sector_offset;
	167	Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
	168	}
	169	}
	170
	171	if (cue_data->tracks[num_track].sector_xlength != 0)
	172	// overriden by custom cue command
	173	Tracks[index].Length = cue_data->tracks[num_track].sector_xlength;
	174
	175	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
	176	Cur_LBA += Tracks[index].Length;
	177
	178	elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO %s", num_track, Tracks[index].MSF.M,
	179	Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length,
	180	cue_data->tracks[num_track].fname);
	181	}
	182	cue_destroy(cue_data);
	183	goto finish;
	184	}
	185
	186	/* mp3 track autosearch, Gens-like */
	187	iso_name_len = strlen(cd_img_name);
	188	if (iso_name_len >= sizeof(tmp_name))
	189	iso_name_len = sizeof(tmp_name) - 1;
	190
	191	for (num_track = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
	192	{
	193	if (PicoCDLoadProgressCB != NULL && i > 1)
	194	PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);
	195
	196	for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
	197	{
	198	int ext_len;
	199	char *p;
	200
	201	index = num_track - 1;
	202
	203	sprintf(tmp_ext, exts[j], i);
	204	ext_len = strlen(tmp_ext);
	205	to_upper(tmp_ext_u, tmp_ext);
	206
	207	memcpy(tmp_name, cd_img_name, iso_name_len + 1);
	208	p = tmp_name + iso_name_len - 4;
	209
	210	strcpy(p, tmp_ext);
	211	ret = audio_track_mp3(tmp_name, index);
	212	if (ret != 0) {
	213	strcpy(p, tmp_ext_u);
	214	ret = audio_track_mp3(tmp_name, index);
	215	}
	216
	217	if (ret != 0 && i > 1 && iso_name_len > ext_len) {
	218	p = tmp_name + iso_name_len - ext_len;
	219	strcpy(p, tmp_ext);
	220	ret = audio_track_mp3(tmp_name, index);
	221	if (ret != 0) {
	222	strcpy(p, tmp_ext_u);
	223	ret = audio_track_mp3(tmp_name, index);
	224	}
	225	}
	226
	227	if (ret == 0)
	228	{
	229	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
	230	Cur_LBA += Tracks[index].Length;
	231
	232	elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M,
	233	Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, tmp_name);
	234
	235	num_track++;
	236	missed = 0;
	237	break;
	238	}
	239	}
	240	if (ret != 0 && i > 1) missed++;
	241	}
	242
	243	finish:
	244	Pico_mcd->TOC.Last_Track = num_track - 1;
	245
	246	index = num_track - 1;
	247
	248	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
	249
	250	elprintf(EL_STATUS, "End CD - %02d:%02d:%02d\n", Tracks[index].MSF.M,
	251	Tracks[index].MSF.S, Tracks[index].MSF.F);
	252
	253	if (PicoCDLoadProgressCB != NULL)
	254	PicoCDLoadProgressCB(cd_img_name, 100);
	255
	256	return 0;
	257	}
	258
	259
	260	PICO_INTERNAL void Unload_ISO(void)
	261	{
	262	int i;
	263
	264	if (Pico_mcd == NULL) return;
	265
	266	if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
	267
	268	for(i = 1; i < 100; i++)
	269	{
	270	if (Pico_mcd->TOC.Tracks[i].F != NULL)
	271	{
	272	if (Pico_mcd->TOC.Tracks[i].ftype == CT_MP3)
	273	#ifdef _PSP_FW_VERSION
	274	free(Pico_mcd->TOC.Tracks[i].F);
	275	#else
	276	fclose(Pico_mcd->TOC.Tracks[i].F);
	277	#endif
	278	else
	279	pm_close(Pico_mcd->TOC.Tracks[i].F);
	280	}
	281	}
	282	memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks));
	283	}
	284
	285
	286	PICO_INTERNAL int FILE_Read_One_LBA_CDC(void)
	287	{
	288	if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
	289	{
	290	if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;
	291
	292	// moved below..
	293	//fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
	294	//fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F);
	295
	296	cdprintf("Read file CDC 1 data sector :\n");
	297	}
	298	else // AUDIO
	299	{
	300	cdprintf("Read file CDC 1 audio sector :\n");
	301	}
	302
	303	// Update CDC stuff
	304
	305	CDC_Update_Header();
	306
	307	if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
	308	{
	309	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
	310	{
	311	if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
	312	{
	313	int where_read = 0;
	314
	315	// CAUTION : lookahead bit not implemented
	316
	317	if (Pico_mcd->scd.Cur_LBA < 0)
	318	where_read = 0;
	319	else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length)
	320	where_read = Pico_mcd->TOC.Tracks[0].Length - 1;
	321	else where_read = Pico_mcd->scd.Cur_LBA;
	322
	323	Pico_mcd->scd.Cur_LBA++;
	324
	325	Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
	326	Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
	327
	328	(unsigned int )(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N;
	329	//memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
	330
	331	//pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
	332	//pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F);
	333	PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read);
	334
	335	cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
	336	cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
	337	Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
	338	cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
	339	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
	340	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
	341	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
	342	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
	343	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
	344	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
	345	}
	346
	347	}
	348	}
	349	else // music track
	350	{
	351	Pico_mcd->scd.Cur_LBA++;
	352
	353	Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
	354	Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
	355
	356	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
	357	{
	358	if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
	359	{
	360	// CAUTION : lookahead bit not implemented
	361
	362	// this is pretty rough, but oh well - not much depends on this anyway
	363	memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cdda_out_buffer, 2352);
	364	}
	365	}
	366	}
	367
	368	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
	369	{
	370	Pico_mcd->cdc.STAT.B.B0 = 0x80;
	371
	372	if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
	373	{
	374	Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
	375	}
	376	else
	377	{
	378	Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
	379	}
	380
	381	if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
	382	else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
	383
	384	if (Pico_mcd->cdc.IFCTRL & 0x20)
	385	{
	386	if (Pico_mcd->s68k_regs[0x33] & (1<<5))
	387	{
	388	elprintf(EL_INTS, "cdc dec irq 5");
	389	SekInterruptS68k(5);
	390	}
	391
	392	Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
	393	Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int
	394	}
	395	}
	396
	397
	398	return 0;
	399	}
	400