File: bchunk.c

package info (click to toggle)
bchunk 1.2.2-2
  • links: PTS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 172 kB
  • sloc: ansic: 376; makefile: 104
file content (500 lines) | stat: -rw-r--r-- 11,855 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500

 /*
  *	binchunker for Unix
  *	Copyright (C) 1998-2004  Heikki Hannikainen <hessu@hes.iki.fi>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>

#define VERSION "1.2.2"
#define USAGE "Usage: bchunk [-v] [-r] [-p (PSX)] [-w (wav)] [-s (swabaudio)]\n" \
        "         <image.bin> <image.cue> <basename>\n" \
	"Example: bchunk foo.bin foo.cue foo\n" \
	"  -v  Verbose mode\n" \
	"  -r  Raw mode for MODE2/2352: write all 2352 bytes from offset 0 (VCD/MPEG)\n" \
	"  -p  PSX mode for MODE2/2352: write 2336 bytes from offset 24\n" \
	"      (default MODE2/2352 mode writes 2048 bytes from offset 24)\n"\
	"  -w  Output audio files in WAV format\n" \
	"  -s  swabaudio: swap byte order in audio tracks\n"
	
#define VERSTR	"binchunker for Unix, version " VERSION " by Heikki Hannikainen <hessu@hes.iki.fi>\n" \
		"\tCreated with the kind help of Bob Marietta <marietrg@SLU.EDU>,\n" \
		"\tpartly based on his Pascal (Delphi) implementation.\n" \
		"\tSupport for MODE2/2352 ISO tracks thanks to input from\n" \
		"\tGodmar Back <gback@cs.utah.edu>, Colas Nahaboo <Colas@Nahaboo.com>\n" \
		"\tand Matthew Green <mrg@eterna.com.au>.\n" \
		"\tReleased under the GNU GPL, version 2 or later (at your option).\n\n"

#define CUELLEN 1024
#define SECTLEN 2352

#define WAV_RIFF_HLEN 12
#define WAV_FORMAT_HLEN 24
#define WAV_DATA_HLEN 8
#define WAV_HEADER_LEN WAV_RIFF_HLEN + WAV_FORMAT_HLEN + WAV_DATA_HLEN

/*
 *	Ugly way to convert integers to little-endian format.
 *	First let netinet's hton() functions decide if swapping should
 *	be done, then convert back.
 */

#include <inttypes.h>
#include <netinet/in.h>

#define bswap_16(x) \
     ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
#define bswap_32(x) \
     ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) |  \
      (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24))

#define htoles(x) bswap_16(htons(x))
#define htolel(x) bswap_32(htonl(x))



struct track_t {
	int num;
	int mode;
	int audio;
	char *modes;
	char *extension;
	int bstart;
	int bsize;
	long startsect;
	long stopsect;
	long start;
	long stop;
	struct track_t *next;
};

char *basefile = NULL;
char *binfile = NULL;
char *cuefile = NULL;
int verbose = 0;
int psxtruncate = 0;
int raw = 0;
int swabaudio = 0;
int towav = 0;

/*
 *	Parse arguments
 */

void parse_args(int argc, char *argv[])
{
	int s;
	
	while ((s = getopt(argc, argv, "swvp?hr")) != -1) {
		switch (s) {
			case 'r':
				raw = 1;
				break;
			case 'v':
				verbose = 1;
				break;
			case 'w':
				towav = 1;
				break;
			case 'p':
				psxtruncate = 1;
				break;
			case 's':
				swabaudio = 1;
				break;
			case '?':
			case 'h':
				fprintf(stderr, "%s", USAGE);
				exit(0);
		}
	}

	if (argc - optind != 3) {
		fprintf(stderr, "%s", USAGE);
		exit(1);
	}
	
	while (optind < argc) {
		switch (argc - optind) {
			case 3:
				binfile = strdup(argv[optind]);
				break;
			case 2:
				cuefile = strdup(argv[optind]);
				break;
			case 1:
				basefile = strdup(argv[optind]);
				break;
			default:
				fprintf(stderr, "%s", USAGE);
				exit(1);
		}
		optind++;
	}
}

/*
 *	Convert a mins:secs:frames format to plain frames
 */

long time2frames(char *s)
{
	int mins = 0, secs = 0, frames = 0;
	char *p, *t;
	
	if (!(p = strchr(s, ':')))
		return -1;
	*p = '\0';
	mins = atoi(s);
	
	p++;
	if (!(t = strchr(p, ':')))
		return -1;
	*t = '\0';
	secs = atoi(p);
	
	t++;
	frames = atoi(t);
	
	return 75 * (mins * 60 + secs) + frames;
}

/*
 *	Parse the mode string
 */

void gettrackmode(struct track_t *track, char *modes)
{
	static char ext_iso[] = "iso";
	static char ext_cdr[] = "cdr";
	static char ext_wav[] = "wav";
	static char ext_ugh[] = "ugh";
	
	track->audio = 0;
	
	if (!strcasecmp(modes, "MODE1/2352")) {
		track->bstart = 16;
		track->bsize = 2048;
		track->extension = ext_iso;
		
	} else if (!strcasecmp(modes, "MODE2/2352")) {
		track->extension = ext_iso;
		if (raw) {
			/* Raw MODE2/2352 */
			track->bstart = 0;
			track->bsize = 2352;
		} else if (psxtruncate) {
			/* PSX: truncate from 2352 to 2336 byte tracks */
			track->bstart = 0;
			track->bsize = 2336;
		} else {
			/* Normal MODE2/2352 */
			track->bstart = 24;
			track->bsize = 2048;
		}
		
	} else if (!strcasecmp(modes, "MODE2/2336")) {
		/* WAS 2352 in V1.361B still work?
		 * what if MODE2/2336 single track bin, still 2352 sectors?
		 */
		track->bstart = 16;
		track->bsize = 2336;
		track->extension = ext_iso;
		
	} else if (!strcasecmp(modes, "AUDIO")) {
		track->bstart = 0;
		track->bsize = 2352;
		track->audio = 1;
		if (towav)
			track->extension = ext_wav;
		else
			track->extension = ext_cdr;
	} else {
		printf("(?) ");
		track->bstart = 0;
		track->bsize = 2352;
		track->extension = ext_ugh;
	}
}

/*
 *	return a progress bar
 */

char *progressbar(float f, int l)
{
	static char s[80];
	int i, n;
	
	n = l * f;
	for (i = 0; i < n; i++) {
		s[i] = '*';
	}
	for (; i < l; i++) {
		s[i] = ' ';
	}
	s[i] = '\0';
	
	return s;
}

/*
 *	Write a track
 */

int writetrack(FILE *bf, struct track_t *track, char *bname)
{
	char *fname;
	FILE *f;
	char buf[SECTLEN+10];
	long sz, sect, realsz, reallen;
	char c, *p, *p2, *ep;
	int32_t l;
	int16_t i;
	float fl;
	
	if (asprintf(&fname, "%s%2.2d.%s", bname, track->num, track->extension) == -1) {
		fprintf(stderr, "writetrack(): asprintf() failed, out of memory\n");
		exit(4);
	}
	
	printf("%2d: %s ", track->num, fname);
	
	if (!(f = fopen(fname, "w"))) {
		fprintf(stderr, " Could not fopen track file: %s\n", strerror(errno));
		exit(4);
	}
	
	if (fseek(bf, track->start, SEEK_SET)) {
		fprintf(stderr, " Could not fseek to track location: %s\n", strerror(errno));
		exit(4);
	}
	
	reallen = (track->stopsect - track->startsect + 1) * track->bsize;
	if (verbose) {
		printf("\n mmc sectors %ld->%ld (%ld)", track->startsect, track->stopsect, track->stopsect - track->startsect + 1);
		printf("\n mmc bytes %ld->%ld (%ld)", track->start, track->stop, track->stop - track->start + 1);
		printf("\n sector data at %d, %d bytes per sector", track->bstart, track->bsize);
		printf("\n real data %ld bytes", (track->stopsect - track->startsect + 1) * track->bsize);
		printf("\n");
	}

	printf("                                          ");
	
	if ((track->audio) && (towav)) {
		// RIFF header
		fputs("RIFF", f);
		l = htolel(reallen + WAV_DATA_HLEN + WAV_FORMAT_HLEN + 4);
		fwrite(&l, 4, 1, f);  // length of file, starting from WAVE
		fputs("WAVE", f);
		// FORMAT header
		fputs("fmt ", f);
		l = htolel(0x10);     // length of FORMAT header
		fwrite(&l, 4, 1, f);
		i = htoles(0x01);     // constant
		fwrite(&i, 2, 1, f);
		i = htoles(0x02);	// channels
		fwrite(&i, 2, 1, f);
		l = htolel(44100);	// sample rate
		fwrite(&l, 4, 1, f);
		l = htolel(44100 * 4);	// bytes per second
		fwrite(&l, 4, 1, f);
		i = htoles(4);		// bytes per sample
		fwrite(&i, 2, 1, f);
		i = htoles(2*8);	// bits per channel
		fwrite(&i, 2, 1, f);
		// DATA header
		fputs("data", f);
		l = htolel(reallen);
		fwrite(&l, 4, 1, f);
	}
	
	realsz = 0;
	sz = track->start;
	sect = track->startsect;
	fl = 0;
	while ((sect <= track->stopsect) && (fread(buf, SECTLEN, 1, bf) > 0)) {
		if (track->audio) {
			if (swabaudio) {
				/* swap low and high bytes */
				p = &buf[track->bstart];
				ep = p + track->bsize;
				while (p < ep) {
					p2 = p + 1;
					c = *p;
					*p = *p2;
					*p2 = c;
					p += 2;
				}
			}
		}
		if (fwrite(&buf[track->bstart], track->bsize, 1, f) < 1) {
			fprintf(stderr, " Could not write to track: %s\n", strerror(errno));
			exit(4);
		}
		sect++;
		sz += SECTLEN;
		realsz += track->bsize;
		if (((sz / SECTLEN) % 500) == 0) {
			fl = (float)realsz / (float)reallen;
			printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b%4ld/%-4ld MB  [%s] %3.0f %%", realsz/1024/1024, reallen/1024/1024, progressbar(fl, 20), fl * 100);
			fflush(stdout);
		}
	}
	
	fl = (float)realsz / (float)reallen;
	printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b%4ld/%-4ld MB  [%s] %3.0f %%", realsz/1024/1024, reallen/1024/1024, progressbar(1, 20), fl * 100);
	fflush(stdout);
	
	if (ferror(bf)) {
		fprintf(stderr, " Could not read from %s: %s\n", binfile, strerror(errno));
		exit(4);
	}
	
	if (fclose(f)) {
		fprintf(stderr, " Could not fclose track file: %s\n", strerror(errno));
		exit(4);
	}
	
	printf("\n");
	return 0;
}

/*
 *	Main
 */

int main(int argc, char **argv)
{
	char s[CUELLEN+1];
	char *p, *t;
	struct track_t *tracks = NULL;
	struct track_t *track = NULL;
	struct track_t *prevtrack = NULL;
	struct track_t **prevp = &tracks;
	
	FILE *binf, *cuef;
	
	printf("%s", VERSTR);
	
	parse_args(argc, argv);
	
	if (!((binf = fopen(binfile, "r")))) {
		fprintf(stderr, "Could not open BIN %s: %s\n", binfile, strerror(errno));
		return 2;
	}
	
	if (!((cuef = fopen(cuefile, "r")))) {
		fprintf(stderr, "Could not open CUE %s: %s\n", cuefile, strerror(errno));
		return 2;
	}
	
	printf("Reading the CUE file:\n");
	
	/* We don't really care about the first line. */
	if (!fgets(s, CUELLEN, cuef)) {
		fprintf(stderr, "Could not read first line from %s: %s\n", cuefile, strerror(errno));
		return 3;
	}
	
	while (fgets(s, CUELLEN, cuef)) {
		while ((p = strchr(s, '\r')) || (p = strchr(s, '\n')))
			*p = '\0';
			
		if ((p = strstr(s, "TRACK"))) {
			printf("\nTrack ");
			if (!(p = strchr(p, ' '))) {
				fprintf(stderr, "... ouch, no space after TRACK.\n");
				exit(3);
			}
			p++;
			if (!(t = strchr(p, ' '))) {
				fprintf(stderr, "... ouch, no space after track number.\n");
				exit(3);
			}
			*t = '\0';
			
			prevtrack = track;
			if (!(track = malloc(sizeof(struct track_t)))) {
				fprintf(stderr, "main(): malloc() failed, out of memory\n");
				exit(4);
			}
			*prevp = track;
			prevp = &track->next;
			track->next = NULL;
			track->num = atoi(p);
			
			p = t + 1;
			printf("%2d: %-12.12s ", track->num, p);
			track->modes = strdup(p);
			track->extension = NULL;
			track->mode = 0;
			track->audio = 0;
			track->bsize = track->bstart = -1;
			track->bsize = -1;
			track->startsect = track->stopsect = -1;
			
			gettrackmode(track, p);
			
		} else if ((p = strstr(s, "INDEX"))) {
			if (!(p = strchr(p, ' '))) {
				printf("... ouch, no space after INDEX.\n");
				exit(3);
			}
			p++;
			if (!(t = strchr(p, ' '))) {
				printf("... ouch, no space after index number.\n");
				exit(3);
			}
			*t = '\0';
			t++;
			printf(" %s %s", p, t);
			track->startsect = time2frames(t);
			track->start = track->startsect * SECTLEN;
			if (verbose)
				printf(" (startsect %ld ofs %ld)", track->startsect, track->start);
			if ((prevtrack) && (prevtrack->stopsect < 0)) {
				prevtrack->stopsect = track->startsect - 1;
				prevtrack->stop = track->start - 1;
			}
		}
	}
	
	if (track) {
		fseek(binf, 0, SEEK_END);
		track->stop = ftell(binf) - 1;
		track->stopsect = track->stop / SECTLEN;
	}
	
	printf("\n\n");
	
	
	printf("Writing tracks:\n\n");
	for (track = tracks; (track); track = track->next)
		writetrack(binf, track, basefile);
		
	fclose(binf);
	fclose(cuef);
	
	return 0;
}