summaryrefslogtreecommitdiffstats
path: root/stream/stream_cdda.c
blob: 00c8a4934ec7bd3ae5ec5b171c3c17c935582dd7 (plain)
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
#include "config.h"

#include <stdio.h>
#include <stdlib.h>

#include "stream.h"
#include "m_option.h"
#include "m_struct.h"
#include "libavutil/common.h"
#include "mpbswap.h"
#include "libmpdemux/demuxer.h"

#include "cdd.h"

#include "mp_msg.h"
#include "help_mp.h"

#ifndef CD_FRAMESIZE_RAW
#define CD_FRAMESIZE_RAW CDIO_CD_FRAMESIZE_RAW
#endif


extern char *cdrom_device;

static struct cdda_params {
  int speed;
  int paranoia_mode;
  char* generic_dev;
  int sector_size;
  int search_overlap;
  int toc_bias;
  int toc_offset;
  int no_skip;
  char* device;
  m_span_t span;
} cdda_dflts = {
  -1,
  0,
  NULL,
  0,
  -1,
  0,
  0,
  0,
  NULL,
  { 0, 0 }
};

#define ST_OFF(f) M_ST_OFF(struct cdda_params,f)
static const m_option_t cdda_params_fields[] = {
  { "speed", ST_OFF(speed), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
  { "paranoia", ST_OFF(paranoia_mode), CONF_TYPE_INT,M_OPT_RANGE, 0, 2, NULL },
  { "generic-dev", ST_OFF(generic_dev), CONF_TYPE_STRING, 0, 0, 0, NULL },
  { "sector-size", ST_OFF(sector_size), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
  { "overlap", ST_OFF(search_overlap), CONF_TYPE_INT, M_OPT_RANGE,0,75, NULL },
  { "toc-bias", ST_OFF(toc_bias), CONF_TYPE_INT, 0, 0, 0, NULL },
  { "toc-offset", ST_OFF(toc_offset), CONF_TYPE_INT, 0, 0, 0, NULL },
  { "noskip", ST_OFF(no_skip), CONF_TYPE_FLAG, 0 , 0, 1, NULL },
  { "skip", ST_OFF(no_skip), CONF_TYPE_FLAG, 0 , 1, 0, NULL },
  { "device", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
  { "span",  ST_OFF(span), CONF_TYPE_OBJ_PARAMS, 0, 0, 0, &m_span_params_def },
  /// For url parsing
  { "hostname", ST_OFF(span), CONF_TYPE_OBJ_PARAMS, 0, 0, 0, &m_span_params_def },
  { "port", ST_OFF(speed), CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
  { "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0, 0, NULL },
  {NULL, NULL, 0, 0, 0, 0, NULL}
};
static const struct m_struct_st stream_opts = {
  "cdda",
  sizeof(struct cdda_params),
  &cdda_dflts,
  cdda_params_fields
};

/// We keep these options but now they set the defaults
const m_option_t cdda_opts[] = {
  { "speed", &cdda_dflts.speed, CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
  { "paranoia", &cdda_dflts.paranoia_mode, CONF_TYPE_INT,M_OPT_RANGE, 0, 2, NULL },
  { "generic-dev", &cdda_dflts.generic_dev, CONF_TYPE_STRING, 0, 0, 0, NULL },
  { "sector-size", &cdda_dflts.sector_size, CONF_TYPE_INT, M_OPT_RANGE,1,100, NULL },
  { "overlap", &cdda_dflts.search_overlap, CONF_TYPE_INT, M_OPT_RANGE,0,75, NULL },
  { "toc-bias", &cdda_dflts.toc_bias, CONF_TYPE_INT, 0, 0, 0, NULL },
  { "toc-offset", &cdda_dflts.toc_offset, CONF_TYPE_INT, 0, 0, 0, NULL },
  { "noskip", &cdda_dflts.no_skip, CONF_TYPE_FLAG, 0 , 0, 1, NULL },
  { "skip", &cdda_dflts.no_skip, CONF_TYPE_FLAG, 0 , 1, 0, NULL },
  { "device", &cdda_dflts.device, CONF_TYPE_STRING, 0, 0, 0, NULL },
  { "span", &cdda_dflts.span, CONF_TYPE_OBJ_PARAMS, 0, 0, 0, &m_span_params_def },
  {NULL, NULL, 0, 0, 0, 0, NULL}
};

extern int cdd_identify(const char *dev);
extern int cddb_resolve(const char *dev, char **xmcd_file);
extern cd_info_t* cddb_parse_xmcd(char *xmcd_file);

static int seek(stream_t* s,off_t pos);
static int fill_buffer(stream_t* s, char* buffer, int max_len);
static void close_cdda(stream_t* s);

static int get_track_by_sector(cdda_priv *p, unsigned int sector) {
  int i;
  for (i = p->cd->tracks; i >= 0 ; --i)
    if (p->cd->disc_toc[i].dwStartSector <= sector)
      break;
  return i;
}

static int control(stream_t *stream, int cmd, void *arg) {
  cdda_priv* p = stream->priv;
  switch(cmd) {
    case STREAM_CTRL_GET_NUM_CHAPTERS:
    {
      int start_track = get_track_by_sector(p, p->start_sector);
      int end_track = get_track_by_sector(p, p->end_sector);
      *(unsigned int *)arg = end_track + 1 - start_track;
      return STREAM_OK;
    }
    case STREAM_CTRL_SEEK_TO_CHAPTER:
    {
      int r;
      unsigned int track = *(unsigned int *)arg;
      int start_track = get_track_by_sector(p, p->start_sector);
      int seek_sector;
      track += start_track;
      if (track >= p->cd->tracks) {
        stream->eof = 1;
        return STREAM_ERROR;
      }
      seek_sector = track <= 0 ? p->start_sector
                               : p->cd->disc_toc[track].dwStartSector;
      r = seek(stream, seek_sector * CD_FRAMESIZE_RAW);
      if (r)
        return STREAM_OK;
      break;
    }
    case STREAM_CTRL_GET_CURRENT_CHAPTER:
    {
      int start_track = get_track_by_sector(p, p->start_sector);
      int cur_track = get_track_by_sector(p, p->sector);
      *(unsigned int *)arg = cur_track - start_track;
      return STREAM_OK;
    }
  }
  return STREAM_UNSUPPORTED;
}

static int open_cdda(stream_t *st,int m, void* opts, int* file_format) {
  struct cdda_params* p = (struct cdda_params*)opts;
  int mode = p->paranoia_mode;
  int offset = p->toc_offset;
#ifndef HAVE_LIBCDIO
  cdrom_drive* cdd = NULL;
#else
  cdrom_drive_t* cdd = NULL;
#endif
  cdda_priv* priv;
  cd_info_t *cd_info,*cddb_info = NULL;
  unsigned int audiolen=0;
  int last_track;
  int i;
  char *xmcd_file = NULL;

  if(m != STREAM_READ) {
    m_struct_free(&stream_opts,opts);
    return STREAM_UNSUPPORTED;
  }

  if(!p->device) {
    if (cdrom_device)
      p->device = strdup(cdrom_device);
    else
      p->device = strdup(DEFAULT_CDROM_DEVICE);
  }

#ifdef HAVE_CDDB
  // cdd_identify returns -1 if it cannot read the TOC,
  // in which case there is no point in calling cddb_resolve
  if(cdd_identify(p->device) >= 0 && strncmp(st->url,"cddb",4) == 0) {
    i = cddb_resolve(p->device, &xmcd_file);
    if(i == 0) {
      cddb_info = cddb_parse_xmcd(xmcd_file);
      free(xmcd_file);
    }
  }
#endif
  
#ifndef HAVE_LIBCDIO
  if(p->generic_dev)
    cdd = cdda_identify_scsi(p->generic_dev,p->device,0,NULL);
  else
#endif
#if defined(__NetBSD__)
    cdd = cdda_identify_scsi(p->device,p->device,0,NULL);
#else
    cdd = cdda_identify(p->device,0,NULL);
#endif

  if(!cdd) {
    mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_MPDEMUX_CDDA_CantOpenCDDADevice);
    m_struct_free(&stream_opts,opts);
    free(cddb_info);
    return STREAM_ERROR;
  }

  cdda_verbose_set(cdd, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);

  if(p->sector_size) {
    cdd->nsectors = p->sector_size;
#ifndef HAVE_LIBCDIO
    cdd->bigbuff = p->sector_size * CD_FRAMESIZE_RAW;
#endif
  }

  if(cdda_open(cdd) != 0) {
    mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_MPDEMUX_CDDA_CantOpenDisc);
    cdda_close(cdd);
    m_struct_free(&stream_opts,opts);
    free(cddb_info);
    return STREAM_ERROR;
  }

  cd_info = cd_info_new();
  mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_MPDEMUX_CDDA_AudioCDFoundWithNTracks,cdda_tracks(cdd));
  for(i=0;i<cdd->tracks;i++) {
	  char track_name[80];
	  long sec=cdda_track_firstsector(cdd,i+1);
	  long off=cdda_track_lastsector(cdd,i+1)-sec+1;

	  sprintf(track_name, "Track %d", i+1);
	  cd_info_add_track(cd_info, track_name, i+1, (unsigned int)(off/(60*75)), (unsigned int)((off/75)%60), (unsigned int)(off%75), sec, off );
	  audiolen += off;
  }
  cd_info->min  = (unsigned int)(audiolen/(60*75));
  cd_info->sec  = (unsigned int)((audiolen/75)%60);
  cd_info->msec = (unsigned int)(audiolen%75);

  priv = malloc(sizeof(cdda_priv));
  memset(priv, 0, sizeof(cdda_priv));
  priv->cd = cdd;
  priv->cd_info = cd_info;

  if(p->toc_bias)
    offset -= cdda_track_firstsector(cdd,1);

  if(offset) {
    int i;
    for(i = 0 ; i < cdd->tracks + 1 ; i++)
      cdd->disc_toc[i].dwStartSector += offset;
  }

  if(p->speed)
    cdda_speed_set(cdd,p->speed);

  last_track = cdda_tracks(cdd);
  if (p->span.start > last_track) p->span.start = last_track;
  if (p->span.end < p->span.start) p->span.end = p->span.start;
  if (p->span.end > last_track) p->span.end = last_track;
  if(p->span.start)
    priv->start_sector = cdda_track_firstsector(cdd,p->span.start);
  else
    priv->start_sector = cdda_disc_firstsector(cdd);

  if(p->span.end) {
    priv->end_sector = cdda_track_lastsector(cdd,p->span.end);
  } else
    priv->end_sector = cdda_disc_lastsector(cdd);

  priv->cdp = paranoia_init(cdd);
  if(priv->cdp == NULL) {
    cdda_close(cdd);
    free(priv);
    cd_info_free(cd_info);
    m_struct_free(&stream_opts,opts);
    free(cddb_info);
    return STREAM_ERROR;
  }

  if(mode == 0)
    mode = PARANOIA_MODE_DISABLE;
  else if(mode == 1)
    mode = PARANOIA_MODE_OVERLAP;
  else
    mode = PARANOIA_MODE_FULL;
  
  if(p->no_skip)
    mode |= PARANOIA_MODE_NEVERSKIP;
#ifndef HAVE_LIBCDIO
  paranoia_modeset(cdd, mode);

  if(p->search_overlap >= 0)
    paranoia_overlapset(cdd,p->search_overlap);
#else
  paranoia_modeset(priv->cdp, mode);

  if(p->search_overlap >= 0)
    paranoia_overlapset(priv->cdp,p->search_overlap);
#endif

  paranoia_seek(priv->cdp,priv->start_sector,SEEK_SET);
  priv->sector = priv->start_sector;

#ifdef HAVE_CDDB
  if(cddb_info) {
    cd_info_free(cd_info);
    priv->cd_info = cddb_info;
    cd_info_debug( cddb_info );
  }
#endif

  st->priv = priv;
  st->start_pos = priv->start_sector*CD_FRAMESIZE_RAW;
  st->end_pos = (priv->end_sector + 1) * CD_FRAMESIZE_RAW;
  st->type = STREAMTYPE_CDDA;
  st->sector_size = CD_FRAMESIZE_RAW;

  st->fill_buffer = fill_buffer;
  st->seek = seek;
  st->control = control;
  st->close = close_cdda;

  *file_format = DEMUXER_TYPE_RAWAUDIO;

  m_struct_free(&stream_opts,opts);

  return STREAM_OK;
}

#ifndef HAVE_LIBCDIO
static void cdparanoia_callback(long inpos, int function) {
#else
static void cdparanoia_callback(long int inpos, paranoia_cb_mode_t function) {
#endif
}

static int fill_buffer(stream_t* s, char* buffer, int max_len) {
  cdda_priv* p = (cdda_priv*)s->priv;
  cd_track_t *cd_track;
  int16_t * buf;
  int i;
  
  if((p->sector < p->start_sector) || (p->sector > p->end_sector)) {
    s->eof = 1;
    return 0;
  }

  buf = paranoia_read(p->cdp,cdparanoia_callback);
  if (!buf)
    return 0;

#ifdef WORDS_BIGENDIAN 
  for(i=0;i<CD_FRAMESIZE_RAW/2;i++)
          buf[i]=le2me_16(buf[i]);
#endif

  p->sector++;
  memcpy(buffer,buf,CD_FRAMESIZE_RAW);

  for(i=0;i<p->cd->tracks;i++){
	  if(p->cd->disc_toc[i].dwStartSector==p->sector-1) {
		  cd_track = cd_info_get_track(p->cd_info, i+1);
//printf("Track %d, sector=%d\n", i, p->sector-1);
		  if( cd_track!=NULL ) {
			mp_msg(MSGT_SEEK, MSGL_INFO, "\n%s\n", cd_track->name); 
			mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDA_TRACK=%d\n", cd_track->track_nb);
		  }
		  break;
	  }
  }

  
  return CD_FRAMESIZE_RAW;
}

static int seek(stream_t* s,off_t newpos) {
  cdda_priv* p = (cdda_priv*)s->priv;
  cd_track_t *cd_track;
  int sec;
  int current_track=0, seeked_track=0;
  int seek_to_track = 0;
  int i;
  
  s->pos = newpos;
  sec = s->pos/CD_FRAMESIZE_RAW;
  if (s->pos < 0 || sec > p->end_sector) {
    s->eof = 1;
    return 0;
  }

//printf("pos: %d, sec: %d ## %d\n", (int)s->pos, (int)sec, CD_FRAMESIZE_RAW);
//printf("sector: %d  new: %d\n", p->sector, sec );
 
  for(i=0;i<p->cd->tracks;i++){
//        printf("trk #%d: %d .. %d\n",i,p->cd->disc_toc[i].dwStartSector,p->cd->disc_toc[i+1].dwStartSector);
	if( p->sector>=p->cd->disc_toc[i].dwStartSector && p->sector<p->cd->disc_toc[i+1].dwStartSector ) {
		current_track = i;
	}
	if( sec>=p->cd->disc_toc[i].dwStartSector && sec<p->cd->disc_toc[i+1].dwStartSector ) {
		seeked_track = i;
		seek_to_track = sec == p->cd->disc_toc[i].dwStartSector;
	}
  }
//printf("current: %d, seeked: %d\n", current_track, seeked_track);
	if (current_track != seeked_track && !seek_to_track) {
//printf("Track %d, sector=%d\n", seeked_track, sec);
		  cd_track = cd_info_get_track(p->cd_info, seeked_track+1);
		  if( cd_track!=NULL ) {
			  mp_msg(MSGT_SEEK, MSGL_INFO, "\n%s\n", cd_track->name);
			  mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CDDA_TRACK=%d\n", cd_track->track_nb);
		  }

	}
#if 0
  if(sec < p->start_sector)
    sec = p->start_sector;
  else if(sec > p->end_sector)
    sec = p->end_sector;
#endif

  p->sector = sec;
//  s->pos = sec*CD_FRAMESIZE_RAW;

//printf("seek: %d, sec: %d\n", (int)s->pos, sec);
  paranoia_seek(p->cdp,sec,SEEK_SET);
  return 1;
}

static void close_cdda(stream_t* s) {
  cdda_priv* p = (cdda_priv*)s->priv;
  paranoia_free(p->cdp);
  cdda_close(p->cd);
  cd_info_free(p->cd_info);
  free(p);
}

const stream_info_t stream_info_cdda = {
  "CDDA",
  "cdda",
  "Albeu",
  "",
  open_cdda,
  { "cdda",
#ifdef HAVE_CDDB
    "cddb",
#endif
    NULL },
  &stream_opts,
  1 // Urls are an option string
};