[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 "cue.h"

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->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;
  }
}

// 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;
  cue_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;
  }

  pmf = pm_open(cd_img_name);
  if (pmf == NULL)
  {
    if (cue_data != NULL)
      cue_destroy(cue_data);
    return -1;
  }
  tracks[0].fd = pmf;

  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 DATA  %s",
    tmp_ext, tracks[0].end, cd_img_name);

  lba = cd_img_sectors;

  if (cue_data != NULL)
  {
    if (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].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].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 AUDIO %s",
        n, tmp_ext, length, 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;

        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;

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