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

/*
 * CD image handler
 * (C) notaz, 2007,2013
 *
 * This work is licensed under the terms of MAME license.
 * See COPYING file in the top-level directory.
 */

#include "../pico_int.h"
#include "genplus_macros.h"
#include "cdd.h"
#include "cd_parse.h"

#if defined(__GNUC__) && __GNUC__ >= 7
#pragma GCC diagnostic ignored "-Wformat-truncation"
#endif

static int handle_mp3(const char *fname, int index)
{
  track_t *track = &cdd.toc.tracks[index];
  FILE *tmp_file;
  int kBps;
  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);
  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

  kBps = mp3_get_bitrate(tmp_file, fs) / 8;
  if (ret != 0 || kBps <= 0)
  {
    elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, kBps);
#ifdef _PSP_FW_VERSION
    free(tmp_file);
#else
    fclose(tmp_file);
#endif
    return -1;
  }

  track->type = CT_AUDIO;
  track->fd = tmp_file;
  track->offset = 0;

  fs *= 75;
  fs /= kBps * 1000;
  return fs;
}

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;
  }
  *d = 0;
}

// cdd.c uses lba - 150
static void sprintf_lba(char *buf, size_t size, int lba)
{
  lba += 150;
  snprintf(buf, size, "%02d:%02d:%02d", lba / 60 / 75,
    (lba / 75) % 60, lba % 75);
}

int load_cd_image(const char *cd_img_name, int *type)
{
  static const char *exts[] = {
    "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
    "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
  };
  int i, j, n, lba, index, length, ret;
  int iso_name_len, missed, cd_img_sectors;
  char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
  track_t *tracks = cdd.toc.tracks;
  cd_data_t *cue_data = NULL;
  pm_file *pmf;

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

  Pico_mcd->cdda_type = CT_UNKNOWN;

  /* is this a .cue? */
  cue_data = cue_parse(cd_img_name);
  if (cue_data != NULL) {
    cd_img_name = cue_data->tracks[1].fname;
    *type = cue_data->tracks[1].type;
  } else {
    cue_data = chd_parse(cd_img_name);
    if (cue_data != NULL)
      *type = cue_data->tracks[1].type;
  }

  pmf = pm_open(cd_img_name);
  if (pmf == NULL)
  {
    if (cue_data != NULL)
      cdparse_destroy(cue_data);
    return -1;
  }
  tracks[0].fd = pmf;
  tracks[0].fname = strdup(cd_img_name);
  tracks[0].type = *type & CT_AUDIO;

  if (*type == CT_ISO)
       cd_img_sectors = pmf->size >> 11;  // size in sectors
  else cd_img_sectors = pmf->size / 2352;

  // cdd.c operates with lba - 150
  tracks[0].start = 0;
  tracks[0].end = cd_img_sectors;
  tracks[0].offset = 0;

  sprintf_lba(tmp_ext, sizeof(tmp_ext), 0);
  elprintf(EL_STATUS, "Track  1: %s %9i %s %s",
    tmp_ext, tracks[0].end, tracks[0].type ? "AUDIO" : "DATA ", cd_img_name);

  lba = cd_img_sectors;

  if (cue_data != NULL)
  {
    if (cue_data->track_count > 1 && cue_data->tracks[2].fname == NULL) {
      // NULL fname means track2 is in same file as track1
      lba = tracks[0].end = cue_data->tracks[2].sector_offset;
    }
    i = 100 / cue_data->track_count + 1; // progress display

    for (n = 2; n <= cue_data->track_count; n++)
    {
      if (PicoCDLoadProgressCB != NULL)
        PicoCDLoadProgressCB(cd_img_name, i * n);

      index = n - 1;
      lba += cue_data->tracks[n].pregap;
      if (cue_data->tracks[n].type == CT_MP3) {
        ret = handle_mp3(cue_data->tracks[n].fname, index);
        if (ret < 0)
          break;
        length = ret;
      }
      else if (cue_data->tracks[n].fname != NULL)
      {
        pm_file *f = pm_open(cue_data->tracks[n].fname);
        if (f != NULL)
        {
          // assume raw, ignore header for wav..
          tracks[index].fd = f;
          tracks[index].fname = strdup(cue_data->tracks[n].fname);
          tracks[index].offset = cue_data->tracks[n].sector_offset;
          length = f->size / 2352;
        }
        else
        {
          elprintf(EL_STATUS, "track %2i (%s): can't determine length",
            n, cue_data->tracks[n].fname);
          tracks[index].offset = 0;
          length = 2*75;
        }
      }
      else
      {
        if (n < cue_data->track_count)
          length = cue_data->tracks[n+1].sector_offset -
            cue_data->tracks[n].sector_offset;
        else
          length = cd_img_sectors - cue_data->tracks[n].sector_offset;
        tracks[index].offset = cue_data->tracks[n].sector_offset;
      }

      if (cue_data->tracks[n].sector_xlength != 0)
        // overriden by custom cue command
        length = cue_data->tracks[n].sector_xlength;

      Pico_mcd->cdda_type = cue_data->tracks[n].type;
      tracks[index].type = cue_data->tracks[n].type & CT_AUDIO;

      tracks[index].start = lba;
      lba += length;
      tracks[index].end = lba;

      sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
      elprintf(EL_STATUS, "Track %2i: %s %9i %s %s", n, tmp_ext, length,
          tracks[index].type ? "AUDIO" : "DATA ",
          cue_data->tracks[n].fname ? cue_data->tracks[n].fname : "");
    }
    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 (n = 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 = n - 1;

      snprintf(tmp_ext, sizeof(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 = handle_mp3(tmp_name, index);
      if (ret <= 0) {
        strcpy(p, tmp_ext_u);
        ret = handle_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 = handle_mp3(tmp_name, index);
        if (ret <= 0) {
          strcpy(p, tmp_ext_u);
          ret = handle_mp3(tmp_name, index);
        }
      }

      if (ret > 0)
      {
        length = ret;
        tracks[index].start = lba;
        lba += length;
        tracks[index].end = lba;

        Pico_mcd->cdda_type = CT_MP3;
        tracks[index].type = CT_AUDIO;

        sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
        elprintf(EL_STATUS, "Track %2i: %s %9i AUDIO - %s",
          n, tmp_ext, length, tmp_name);

        n++;
        missed = 0;
        break;
      }
    }
    if (ret <= 0 && i > 1)
      missed++;
  }

finish:
  cdd.toc.last = n - 1;
  cdd.toc.end = lba;
  tracks[n].start = cdd.toc.end;

  sprintf_lba(tmp_ext, sizeof(tmp_ext), cdd.toc.end);
  elprintf(EL_STATUS, "End CD -  %s\n", tmp_ext);

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

  if (cue_data != NULL)
    cdparse_destroy(cue_data);

  return 0;
}

// vim:shiftwidth=2:ts=2:expandtab
Commit	Line	Data
274fcc35	1	/*
	2	* CD image handler
	3	* (C) notaz, 2007,2013
	4	*
	5	* This work is licensed under the terms of MAME license.
	6	* See COPYING file in the top-level directory.
	7	*/
	8
	9	#include "../pico_int.h"
	10	#include "genplus_macros.h"
	11	#include "cdd.h"
15ca7152	12	#include "cd_parse.h"
274fcc35	13
d0eab7da	14	#if defined(__GNUC__) && __GNUC__ >= 7
	15	#pragma GCC diagnostic ignored "-Wformat-truncation"
	16	#endif
	17
274fcc35	18	static int handle_mp3(const char *fname, int index)
	19	{
	20	track_t *track = &cdd.toc.tracks[index];
	21	FILE *tmp_file;
	22	int kBps;
	23	int fs, ret;
	24
	25	tmp_file = fopen(fname, "rb");
	26	if (tmp_file == NULL)
	27	return -1;
	28
	29	ret = fseek(tmp_file, 0, SEEK_END);
	30	fs = ftell(tmp_file);
	31	fseek(tmp_file, 0, SEEK_SET);
	32
	33	#ifdef _PSP_FW_VERSION
	34	// some systems (like PSP) can't have many open files at a time,
	35	// so we work with their names instead.
	36	fclose(tmp_file);
	37	tmp_file = (void *) strdup(fname);
	38	#endif
	39
	40	kBps = mp3_get_bitrate(tmp_file, fs) / 8;
	41	if (ret != 0 \|\| kBps <= 0)
	42	{
	43	elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, kBps);
	44	#ifdef _PSP_FW_VERSION
	45	free(tmp_file);
	46	#else
	47	fclose(tmp_file);
	48	#endif
	49	return -1;
	50	}
	51
02ff0254	52	track->type = CT_AUDIO;
274fcc35	53	track->fd = tmp_file;
	54	track->offset = 0;
	55
	56	fs *= 75;
	57	fs /= kBps * 1000;
	58	return fs;
	59	}
	60
	61	static void to_upper(char d, const char s)
	62	{
	63	for (; *s != 0; d++, s++) {
	64	if ('a' <= s && s <= 'z')
	65	d = s - 'a' + 'A';
	66	else
	67	d = s;
	68	}
c5c5dd71	69	*d = 0;
274fcc35	70	}
	71
	72	// cdd.c uses lba - 150
	73	static void sprintf_lba(char *buf, size_t size, int lba)
	74	{
	75	lba += 150;
	76	snprintf(buf, size, "%02d:%02d:%02d", lba / 60 / 75,
	77	(lba / 75) % 60, lba % 75);
	78	}
	79
	80	int load_cd_image(const char cd_img_name, int type)
	81	{
	82	static const char *exts[] = {
	83	"%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
	84	"%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
	85	};
	86	int i, j, n, lba, index, length, ret;
	87	int iso_name_len, missed, cd_img_sectors;
	88	char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
	89	track_t *tracks = cdd.toc.tracks;
15ca7152	90	cd_data_t *cue_data = NULL;
274fcc35	91	pm_file *pmf;
	92
	93	if (PicoCDLoadProgressCB != NULL)
	94	PicoCDLoadProgressCB(cd_img_name, 1);
	95
	96	Pico_mcd->cdda_type = CT_UNKNOWN;
	97
	98	/* is this a .cue? */
	99	cue_data = cue_parse(cd_img_name);
	100	if (cue_data != NULL) {
	101	cd_img_name = cue_data->tracks[1].fname;
	102	*type = cue_data->tracks[1].type;
15ca7152	103	} else {
	104	cue_data = chd_parse(cd_img_name);
	105	if (cue_data != NULL)
	106	*type = cue_data->tracks[1].type;
274fcc35	107	}
	108
	109	pmf = pm_open(cd_img_name);
	110	if (pmf == NULL)
	111	{
	112	if (cue_data != NULL)
15ca7152	113	cdparse_destroy(cue_data);
274fcc35	114	return -1;
	115	}
	116	tracks[0].fd = pmf;
15ca7152	117	tracks[0].fname = strdup(cd_img_name);
02ff0254	118	tracks[0].type = *type & CT_AUDIO;
274fcc35	119
274fcc35	120	if (*type == CT_ISO)
02ff0254	121	cd_img_sectors = pmf->size >> 11; // size in sectors
02ff0254	122	else cd_img_sectors = pmf->size / 2352;
274fcc35	123
	124	// cdd.c operates with lba - 150
	125	tracks[0].start = 0;
	126	tracks[0].end = cd_img_sectors;
	127	tracks[0].offset = 0;
	128
	129	sprintf_lba(tmp_ext, sizeof(tmp_ext), 0);
02ff0254	130	elprintf(EL_STATUS, "Track 1: %s %9i %s %s",
02ff0254	131	tmp_ext, tracks[0].end, tracks[0].type ? "AUDIO" : "DATA ", cd_img_name);
274fcc35	132
	133	lba = cd_img_sectors;
	134
	135	if (cue_data != NULL)
	136	{
15ca7152	137	if (cue_data->track_count > 1 && cue_data->tracks[2].fname == NULL) {
274fcc35	138	// NULL fname means track2 is in same file as track1
	139	lba = tracks[0].end = cue_data->tracks[2].sector_offset;
	140	}
	141	i = 100 / cue_data->track_count + 1; // progress display
	142
	143	for (n = 2; n <= cue_data->track_count; n++)
	144	{
	145	if (PicoCDLoadProgressCB != NULL)
	146	PicoCDLoadProgressCB(cd_img_name, i * n);
	147
	148	index = n - 1;
	149	lba += cue_data->tracks[n].pregap;
	150	if (cue_data->tracks[n].type == CT_MP3) {
	151	ret = handle_mp3(cue_data->tracks[n].fname, index);
	152	if (ret < 0)
	153	break;
	154	length = ret;
	155	}
	156	else if (cue_data->tracks[n].fname != NULL)
	157	{
	158	pm_file *f = pm_open(cue_data->tracks[n].fname);
	159	if (f != NULL)
	160	{
	161	// assume raw, ignore header for wav..
	162	tracks[index].fd = f;
15ca7152	163	tracks[index].fname = strdup(cue_data->tracks[n].fname);
274fcc35	164	tracks[index].offset = cue_data->tracks[n].sector_offset;
	165	length = f->size / 2352;
	166	}
	167	else
	168	{
	169	elprintf(EL_STATUS, "track %2i (%s): can't determine length",
	170	n, cue_data->tracks[n].fname);
	171	tracks[index].offset = 0;
	172	length = 2*75;
	173	}
	174	}
	175	else
	176	{
	177	if (n < cue_data->track_count)
	178	length = cue_data->tracks[n+1].sector_offset -
	179	cue_data->tracks[n].sector_offset;
	180	else
	181	length = cd_img_sectors - cue_data->tracks[n].sector_offset;
	182	tracks[index].offset = cue_data->tracks[n].sector_offset;
	183	}
	184
	185	if (cue_data->tracks[n].sector_xlength != 0)
	186	// overriden by custom cue command
	187	length = cue_data->tracks[n].sector_xlength;
	188
	189	Pico_mcd->cdda_type = cue_data->tracks[n].type;
02ff0254	190	tracks[index].type = cue_data->tracks[n].type & CT_AUDIO;
274fcc35	191
	192	tracks[index].start = lba;
	193	lba += length;
	194	tracks[index].end = lba;
	195
	196	sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
02ff0254	197	elprintf(EL_STATUS, "Track %2i: %s %9i %s %s", n, tmp_ext, length,
02ff0254	198	tracks[index].type ? "AUDIO" : "DATA ",
15ca7152	199	cue_data->tracks[n].fname ? cue_data->tracks[n].fname : "");
274fcc35	200	}
274fcc35	201	goto finish;
	202	}
	203
	204	/* mp3 track autosearch, Gens-like */
	205	iso_name_len = strlen(cd_img_name);
	206	if (iso_name_len >= sizeof(tmp_name))
	207	iso_name_len = sizeof(tmp_name) - 1;
	208
	209	for (n = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
	210	{
	211	if (PicoCDLoadProgressCB != NULL && i > 1)
	212	PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);
	213
	214	for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
	215	{
	216	int ext_len;
	217	char *p;
	218
	219	index = n - 1;
	220
	221	snprintf(tmp_ext, sizeof(tmp_ext), exts[j], i);
	222	ext_len = strlen(tmp_ext);
	223	to_upper(tmp_ext_u, tmp_ext);
	224
	225	memcpy(tmp_name, cd_img_name, iso_name_len + 1);
	226	p = tmp_name + iso_name_len - 4;
	227
	228	strcpy(p, tmp_ext);
	229	ret = handle_mp3(tmp_name, index);
	230	if (ret <= 0) {
	231	strcpy(p, tmp_ext_u);
	232	ret = handle_mp3(tmp_name, index);
	233	}
	234
	235	if (ret <= 0 && i > 1 && iso_name_len > ext_len) {
	236	p = tmp_name + iso_name_len - ext_len;
	237	strcpy(p, tmp_ext);
	238	ret = handle_mp3(tmp_name, index);
	239	if (ret <= 0) {
	240	strcpy(p, tmp_ext_u);
	241	ret = handle_mp3(tmp_name, index);
	242	}
	243	}
	244
	245	if (ret > 0)
	246	{
	247	length = ret;
	248	tracks[index].start = lba;
	249	lba += length;
	250	tracks[index].end = lba;
	251
	252	Pico_mcd->cdda_type = CT_MP3;
02ff0254	253	tracks[index].type = CT_AUDIO;
274fcc35	254
	255	sprintf_lba(tmp_ext, sizeof(tmp_ext), tracks[index].start);
	256	elprintf(EL_STATUS, "Track %2i: %s %9i AUDIO - %s",
	257	n, tmp_ext, length, tmp_name);
	258
	259	n++;
	260	missed = 0;
	261	break;
	262	}
	263	}
	264	if (ret <= 0 && i > 1)
	265	missed++;
	266	}
	267
	268	finish:
	269	cdd.toc.last = n - 1;
	270	cdd.toc.end = lba;
d4a08748	271	tracks[n].start = cdd.toc.end;
274fcc35	272
	273	sprintf_lba(tmp_ext, sizeof(tmp_ext), cdd.toc.end);
	274	elprintf(EL_STATUS, "End CD - %s\n", tmp_ext);
	275
	276	if (PicoCDLoadProgressCB != NULL)
	277	PicoCDLoadProgressCB(cd_img_name, 100);
	278
9993e0d6	279	if (cue_data != NULL)
15ca7152	280	cdparse_destroy(cue_data);
9993e0d6	281
274fcc35	282	return 0;
	283	}
	284
	285	// vim:shiftwidth=2:ts=2:expandtab