[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 = TYPE_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, iso_name_len, missed, cd_img_sectors;
	_scd_track *Tracks = Pico_mcd->TOC.Tracks;
	char tmp_name[1024], 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 .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 = 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 == TYPE_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",
		Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F, Tracks[0].Length);

	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 == TYPE_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
6cadc2da	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
efcba75f	10	#include "../pico_int.h"
eff55556	11	#include "cd_file.h"
9037e45d	12	#include "cue.h"
bf098bc5	13
4b167c12	14	//#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp
bf098bc5	15
9c9cda8c	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
9037e45d	26	static int audio_track_mp3(const char *fname, int index)
bf098bc5	27	{
9037e45d	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
9c9cda8c	40	#ifdef _PSP_FW_VERSION
9037e45d	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);
9c9cda8c	51	#ifdef _PSP_FW_VERSION
9037e45d	52	free(tmp_file);
9c9cda8c	53	#else
9c9cda8c	54	fclose(tmp_file);
9037e45d	55	#endif
	56	return -1;
	57	}
	58
	59	Tracks[index].F = tmp_file;
	60
	61	// MP3 File
	62	Tracks[index].ftype = TYPE_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, iso_name_len, missed, cd_img_sectors;
75736070	74	_scd_track *Tracks = Pico_mcd->TOC.Tracks;
9c9cda8c	75	char tmp_name[1024], tmp_ext[10], tmp_ext_u[10];
9037e45d	76	cue_data_t *cue_data = NULL;
83bd0b76	77	pm_file *pmf;
9c9cda8c	78	static const char *exts[] = {
bf098bc5	79	"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
bf098bc5	80	"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
bf098bc5	81	};
bf098bc5	82
b2451ac6	83	if (PicoCDLoadProgressCB != NULL)
b2451ac6	84	PicoCDLoadProgressCB(cd_img_name, 1);
4b167c12	85
bf098bc5	86	Unload_ISO();
bf098bc5	87
9037e45d	88	/* is this .cue? */
	89	ret = strlen(cd_img_name);
	90	if (ret >= 3 && strcasecmp(cd_img_name + ret - 3, "cue") == 0)
	91	cue_data = cue_parse(cd_img_name);
	92	if (cue_data != NULL)
	93	cd_img_name = cue_data->tracks[1].fname;
	94
b923ecbe	95	Tracks[0].ftype = type == CIT_BIN ? TYPE_BIN : TYPE_ISO;
bf098bc5	96
9037e45d	97	Tracks[0].F = pmf = pm_open(cd_img_name);
bf098bc5	98	if (Tracks[0].F == NULL)
bf098bc5	99	{
75736070	100	Tracks[0].ftype = 0;
cb0316e4	101	Tracks[0].Length = 0;
9037e45d	102	if (cue_data != NULL)
9037e45d	103	cue_destroy(cue_data);
bf098bc5	104	return -1;
	105	}
	106
83bd0b76	107	if (Tracks[0].ftype == TYPE_ISO)
9037e45d	108	cd_img_sectors = pmf->size >>= 11; // size in sectors
	109	else cd_img_sectors = pmf->size /= 2352;
	110	Tracks[0].Offset = 0;
bf098bc5	111
75736070	112	Tracks[0].MSF.M = 0; // minutes
	113	Tracks[0].MSF.S = 2; // seconds
	114	Tracks[0].MSF.F = 0; // frames
bf098bc5	115
0bccafeb	116	elprintf(EL_STATUS, "Track 1: %02d:%02d:%02d %9i DATA",
9037e45d	117	Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F, Tracks[0].Length);
	118
	119	Cur_LBA = Tracks[0].Length = cd_img_sectors;
	120
	121	if (cue_data != NULL)
	122	{
	123	if (cue_data->tracks[2].fname == NULL) { // NULL means track2 is in same file as track1
	124	Cur_LBA = Tracks[0].Length = cue_data->tracks[2].sector_offset;
	125	}
c9e1affc	126	i = 100 / cue_data->track_count+1;
9037e45d	127	for (num_track = 2; num_track <= cue_data->track_count; num_track++)
9037e45d	128	{
b2451ac6	129	if (PicoCDLoadProgressCB != NULL)
b2451ac6	130	PicoCDLoadProgressCB(cd_img_name, i * num_track);
9037e45d	131	index = num_track - 1;
	132	Cur_LBA += cue_data->tracks[num_track].pregap;
	133	if (cue_data->tracks[num_track].type == CT_MP3) {
	134	ret = audio_track_mp3(cue_data->tracks[num_track].fname, index);
	135	if (ret != 0) break;
	136	}
	137	else
	138	{
	139	Tracks[index].ftype = cue_data->tracks[num_track].type;
	140	if (cue_data->tracks[num_track].fname != NULL)
	141	{
0bccafeb	142	pm_file *pmfn = pm_open(cue_data->tracks[num_track].fname);
	143	if (pmfn != NULL)
	144	{
	145	// addume raw, ignore header for wav..
	146	Tracks[index].F = pmfn;
	147	Tracks[index].Length = pmfn->size / 2352;
	148	Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
	149	}
	150	else
	151	{
	152	elprintf(EL_STATUS, "track %2i (%s): can't determine length",
	153	num_track, cue_data->tracks[num_track].fname);
	154	Tracks[index].Length = 2*75;
	155	Tracks[index].Offset = 0;
	156	}
	157	}
	158	else
	159	{
9037e45d	160	if (num_track < cue_data->track_count)
	161	Tracks[index].Length = cue_data->tracks[num_track+1].sector_offset -
	162	cue_data->tracks[num_track].sector_offset;
	163	else
	164	Tracks[index].Length = cd_img_sectors - cue_data->tracks[num_track].sector_offset;
	165	Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
	166	}
	167	}
	168
0bccafeb	169	if (cue_data->tracks[num_track].sector_xlength != 0)
	170	// overriden by custom cue command
	171	Tracks[index].Length = cue_data->tracks[num_track].sector_xlength;
	172
9037e45d	173	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
9037e45d	174	Cur_LBA += Tracks[index].Length;
bf098bc5	175
0bccafeb	176	elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M,
9037e45d	177	Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length,
	178	cue_data->tracks[num_track].fname);
	179	}
	180	cue_destroy(cue_data);
	181	goto finish;
	182	}
bf098bc5	183
c9e1affc	184	/* mp3 track autosearch, Gens-like */
9037e45d	185	iso_name_len = strlen(cd_img_name);
4b167c12	186	if (iso_name_len >= sizeof(tmp_name))
4b167c12	187	iso_name_len = sizeof(tmp_name) - 1;
bf098bc5	188
9037e45d	189	for (num_track = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
bf098bc5	190	{
b2451ac6	191	if (PicoCDLoadProgressCB != NULL && i > 1)
b2451ac6	192	PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);
4b167c12	193
4b167c12	194	for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
bf098bc5	195	{
cb0316e4	196	int ext_len;
9c9cda8c	197	char *p;
	198
	199	index = num_track - 1;
	200
bf098bc5	201	sprintf(tmp_ext, exts[j], i);
cb0316e4	202	ext_len = strlen(tmp_ext);
9c9cda8c	203	to_upper(tmp_ext_u, tmp_ext);
cb0316e4	204
9037e45d	205	memcpy(tmp_name, cd_img_name, iso_name_len + 1);
9c9cda8c	206	p = tmp_name + iso_name_len - 4;
bf098bc5	207
9c9cda8c	208	strcpy(p, tmp_ext);
9037e45d	209	ret = audio_track_mp3(tmp_name, index);
9c9cda8c	210	if (ret != 0) {
	211	strcpy(p, tmp_ext_u);
	212	ret = audio_track_mp3(tmp_name, index);
	213	}
	214
9037e45d	215	if (ret != 0 && i > 1 && iso_name_len > ext_len) {
9c9cda8c	216	p = tmp_name + iso_name_len - ext_len;
9c9cda8c	217	strcpy(p, tmp_ext);
9037e45d	218	ret = audio_track_mp3(tmp_name, index);
9c9cda8c	219	if (ret != 0) {
	220	strcpy(p, tmp_ext_u);
	221	ret = audio_track_mp3(tmp_name, index);
	222	}
cb0316e4	223	}
bf098bc5	224
9037e45d	225	if (ret == 0)
bf098bc5	226	{
75736070	227	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
cb0316e4	228	Cur_LBA += Tracks[index].Length;
cb0316e4	229
0bccafeb	230	elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M,
9037e45d	231	Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, tmp_name);
bf098bc5	232
bf098bc5	233	num_track++;
9037e45d	234	missed = 0;
bf098bc5	235	break;
	236	}
	237	}
c9e1affc	238	if (ret != 0 && i > 1) missed++;
bf098bc5	239	}
bf098bc5	240
9037e45d	241	finish:
75736070	242	Pico_mcd->TOC.Last_Track = num_track - 1;
bf098bc5	243
75736070	244	index = num_track - 1;
bf098bc5	245
75736070	246	LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
bf098bc5	247
9037e45d	248	elprintf(EL_STATUS, "End CD - %02d:%02d:%02d\n", Tracks[index].MSF.M,
75736070	249	Tracks[index].MSF.S, Tracks[index].MSF.F);
bf098bc5	250
b2451ac6	251	if (PicoCDLoadProgressCB != NULL)
b2451ac6	252	PicoCDLoadProgressCB(cd_img_name, 100);
4b167c12	253
bf098bc5	254	return 0;
	255	}
	256
	257
eff55556	258	PICO_INTERNAL void Unload_ISO(void)
bf098bc5	259	{
	260	int i;
	261
75736070	262	if (Pico_mcd == NULL) return;
bf098bc5	263
83bd0b76	264	if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
	265
	266	for(i = 1; i < 100; i++)
bf098bc5	267	{
4b167c12	268	if (Pico_mcd->TOC.Tracks[i].F != NULL)
9037e45d	269	{
c9e1affc	270	if (Pico_mcd->TOC.Tracks[i].ftype == TYPE_MP3)
9c9cda8c	271	#ifdef _PSP_FW_VERSION
9037e45d	272	free(Pico_mcd->TOC.Tracks[i].F);
c9e1affc	273	#else
9037e45d	274	fclose(Pico_mcd->TOC.Tracks[i].F);
c9e1affc	275	#endif
	276	else
	277	pm_close(Pico_mcd->TOC.Tracks[i].F);
9037e45d	278	}
bf098bc5	279	}
83bd0b76	280	memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks));
bf098bc5	281	}
	282
	283
eff55556	284	PICO_INTERNAL int FILE_Read_One_LBA_CDC(void)
bf098bc5	285	{
bf098bc5	286	if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
bf098bc5	287	{
75736070	288	if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;
bf098bc5	289
75736070	290	// moved below..
	291	//fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
	292	//fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F);
bf098bc5	293
c459aefd	294	cdprintf("Read file CDC 1 data sector :\n");
bf098bc5	295	}
	296	else // AUDIO
	297	{
c459aefd	298	cdprintf("Read file CDC 1 audio sector :\n");
bf098bc5	299	}
	300
	301	// Update CDC stuff
	302
	303	CDC_Update_Header();
	304
	305	if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
	306	{
	307	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
	308	{
	309	if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
	310	{
0a051f55	311	int where_read = 0;
0a051f55	312
bf098bc5	313	// CAUTION : lookahead bit not implemented
bf098bc5	314
0a051f55	315	if (Pico_mcd->scd.Cur_LBA < 0)
	316	where_read = 0;
	317	else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length)
	318	where_read = Pico_mcd->TOC.Tracks[0].Length - 1;
	319	else where_read = Pico_mcd->scd.Cur_LBA;
	320
bf098bc5	321	Pico_mcd->scd.Cur_LBA++;
	322
	323	Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
	324	Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
	325
83bd0b76	326	(unsigned int )(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N;
75736070	327	//memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
75736070	328
0a051f55	329	//pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
	330	//pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F);
	331	PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read);
bf098bc5	332
c459aefd	333	cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
c459aefd	334	cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
bf098bc5	335	Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
	336	cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
	337	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
	338	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
	339	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
	340	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
	341	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
	342	Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
bf098bc5	343	}
	344
	345	}
	346	}
	347	else // music track
	348	{
	349	Pico_mcd->scd.Cur_LBA++;
	350
	351	Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
	352	Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
	353
	354	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
	355	{
	356	if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
	357	{
	358	// CAUTION : lookahead bit not implemented
	359
c9e1affc	360	// this is pretty rough, but oh well - not much depends on this anyway
c9e1affc	361	memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cdda_out_buffer, 2352);
bf098bc5	362	}
	363	}
	364	}
	365
	366	if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
	367	{
	368	Pico_mcd->cdc.STAT.B.B0 = 0x80;
	369
	370	if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
	371	{
	372	Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
	373	}
	374	else
	375	{
	376	Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
	377	}
	378
	379	if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
	380	else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
	381
	382	if (Pico_mcd->cdc.IFCTRL & 0x20)
	383	{
	384	if (Pico_mcd->s68k_regs[0x33] & (1<<5))
	385	{
ca61ee42	386	elprintf(EL_INTS, "cdc dec irq 5");
bf098bc5	387	SekInterruptS68k(5);
	388	}
	389
75736070	390	Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
75736070	391	Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int
bf098bc5	392	}
	393	}
	394
	395
	396	return 0;
	397	}
	398