gstcdparanoia.c 24.8 KB
Newer Older
Andy Wingo's avatar
Andy Wingo committed
1
/* GStreamer
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

20
/* #define GST_DEBUG_ENABLED */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
21 22 23 24 25 26 27 28 29 30 31 32 33

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
Wim Taymans's avatar
Wim Taymans committed
34

35 36 37 38
/* taken from linux/cdrom.h */
#define CD_MSF_OFFSET       150 /* MSF numbering offset of first frame */
#define CD_SECS              60 /* seconds per minute */
#define CD_FRAMES            75 /* frames per second */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
39 40 41 42 43 44

#include "gstcdparanoia.h"


static GstElementDetails cdparanoia_details = {
  "CD Audio (cdda) Source, Paranoia IV",
45
  "Source/File",
46
  "LGPL",
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
47 48 49 50 51 52
  "Read audio from CD in paranoid mode",
  VERSION,
  "Erik Walthinsen <omega@cse.ogi.edu>",
  "(C) 2000",
};

53
GST_PAD_TEMPLATE_FACTORY (cdparanoia_src_factory,
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
  "src",
  GST_PAD_SRC,
  GST_PAD_ALWAYS,
  GST_CAPS_NEW (
    "cdparanoia_src",
    "audio/raw",
      "format",   GST_PROPS_STRING ("int"),
        "law",        GST_PROPS_INT (0),
        "endianness", GST_PROPS_INT (G_BYTE_ORDER),
        "signed",     GST_PROPS_BOOLEAN (TRUE),
        "width",      GST_PROPS_INT (16),
        "depth",      GST_PROPS_INT (16),
        "rate",       GST_PROPS_INT (44100),
        "channels",   GST_PROPS_INT (2),
        "chunksize",  GST_PROPS_INT (CD_FRAMESIZE_RAW)
  )
);


/********** Define useful types for non-programmatic interfaces **********/
Wim Taymans's avatar
Wim Taymans committed
74
#define GST_TYPE_PARANOIA_MODE (gst_paranoia_mode_get_type())
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
75
static GType
Wim Taymans's avatar
Wim Taymans committed
76
gst_paranoia_mode_get_type (void)
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
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
{
  static GType paranoia_mode_type = 0;
  static GEnumValue paranoia_modes[] = {
    { 0, "0", "Disable paranoid checking" },
    { 1, "1", "cdda2wav-style overlap checking" },
    { 2, "2", "Full paranoia" },
    { 0, NULL, NULL },
  };
  if (!paranoia_mode_type) {
    paranoia_mode_type = g_enum_register_static ("GstParanoiaMode", paranoia_modes);
  }
  return paranoia_mode_type;
}


/********** Standard stuff for signals and arguments **********/
/* CDParanoia signals and args */
enum {
  SMILIE_CHANGE,
  TRANSPORT_ERROR,
  UNCORRECTED_ERROR,
  LAST_SIGNAL
};

enum {
  ARG_0,
  ARG_LOCATION,
  ARG_GENERIC_DEVICE,
  ARG_START_TRACK,
  ARG_END_TRACK,
  ARG_LAST_TRACK,
  ARG_CUR_TRACK,
  ARG_START_SECTOR,
  ARG_END_SECTOR,
  ARG_CUR_SECTOR,
  ARG_DEFAULT_SECTORS,
  ARG_SEARCH_OVERLAP,
  ARG_ENDIAN,
  ARG_READ_SPEED,
  ARG_TOC_OFFSET,
  ARG_TOC_BIAS,
  ARG_NEVER_SKIP,
  ARG_ABORT_ON_SKIP,
  ARG_PARANOIA_MODE,
  ARG_SMILIE,
122 123 124 125
  ARG_NO_TRACKS,
  ARG_DISCID,
  ARG_OFFSETS,
  ARG_TOTAL_TIME,
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
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
};


static void			cdparanoia_class_init		(CDParanoiaClass *klass);
static void			cdparanoia_init			(CDParanoia *cdparanoia);

static void			cdparanoia_set_property		(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void			cdparanoia_get_property		(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);

static GstBuffer*		cdparanoia_get			(GstPad *pad);

static GstElementStateReturn	cdparanoia_change_state		(GstElement *element);


static GstElementClass *parent_class = NULL;
static guint cdparanoia_signals[LAST_SIGNAL] = { 0 };

GType
cdparanoia_get_type (void)
{
  static GType cdparanoia_type = 0;

  if (!cdparanoia_type) {
    static const GTypeInfo cdparanoia_info = {
      sizeof(CDParanoiaClass),      NULL,
      NULL,
      (GClassInitFunc)cdparanoia_class_init,
      NULL,
      NULL,
      sizeof(CDParanoia),
      0,
      (GInstanceInitFunc)cdparanoia_init,
    };
    cdparanoia_type = g_type_register_static (GST_TYPE_ELEMENT, "CDParanoia", &cdparanoia_info, 0);
  }
  return cdparanoia_type;
}

static void
cdparanoia_class_init (CDParanoiaClass *klass)
{
  GObjectClass *gobject_class;
  GstElementClass *gstelement_class;
169 170
  char *success = strerror_tr[0];
  success = NULL;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191

  gobject_class = (GObjectClass*)klass;
  gstelement_class = (GstElementClass*)klass;

  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);

  cdparanoia_signals[SMILIE_CHANGE] =
    g_signal_new ("smilie_change", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
                   G_STRUCT_OFFSET (CDParanoiaClass, smilie_change), NULL, NULL,
                   g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING);
  cdparanoia_signals[TRANSPORT_ERROR] =
    g_signal_new ("transport_error", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
                   G_STRUCT_OFFSET (CDParanoiaClass, transport_error), NULL, NULL,
                   g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
  cdparanoia_signals[UNCORRECTED_ERROR] =
    g_signal_new ("uncorrected_error", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
                   G_STRUCT_OFFSET (CDParanoiaClass, uncorrected_error), NULL, NULL,
                   g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);

  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOCATION,
    g_param_spec_string("location","location","location",
192
                        NULL, G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
193 194
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_GENERIC_DEVICE,
    g_param_spec_string("generic_device","generic_device","generic_device",
195
                        NULL, G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
196 197
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_START_TRACK,
    g_param_spec_int("start_track","start_track","start_track",
198
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
199 200
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_END_TRACK,
    g_param_spec_int("end_track","end_track","end_track",
201
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
202 203
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LAST_TRACK,
    g_param_spec_int("last_track","last_track","last_track",
204
                     G_MININT,G_MAXINT,0,G_PARAM_READABLE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
205 206
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CUR_TRACK,
    g_param_spec_int("cur_track","cur_track","cur_track",
207
                     G_MININT,G_MAXINT,0,G_PARAM_READABLE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
208 209
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_START_SECTOR,
    g_param_spec_int("start_sector","start_sector","start_sector",
210
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
211 212
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_END_SECTOR,
    g_param_spec_int("end_sector","end_sector","end_sector",
213
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
214 215
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CUR_SECTOR,
    g_param_spec_int("cur_sector","cur_sector","cur_sector",
216
                     G_MININT,G_MAXINT,0,G_PARAM_READABLE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
217 218
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEFAULT_SECTORS,
    g_param_spec_int("default_sectors","default_sectors","default_sectors",
219
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
220 221
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SEARCH_OVERLAP,
    g_param_spec_int("search_overlap","search_overlap","search_overlap",
222
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
223 224
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ENDIAN,
    g_param_spec_int("endian","endian","endian",
225
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
226 227
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_READ_SPEED,
    g_param_spec_int("read_speed","read_speed","read_speed",
228
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
229 230
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TOC_OFFSET,
    g_param_spec_int("toc_offset","toc_offset","toc_offset",
231
                     G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
232 233
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TOC_BIAS,
    g_param_spec_boolean("toc_bias","toc_bias","toc_bias",
234
                         TRUE,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
235 236
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NEVER_SKIP,
    g_param_spec_boolean("never_skip","never_skip","never_skip",
237
                         TRUE,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
238 239
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ABORT_ON_SKIP,
    g_param_spec_boolean("abort_on_skip","abort_on_skip","abort_on_skip",
240
                         TRUE,G_PARAM_READWRITE)); /* CHECKME */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
241 242
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PARANOIA_MODE,
    g_param_spec_enum("paranoia_mode","paranoia_mode","paranoia_mode",
243
                      GST_TYPE_PARANOIA_MODE,0,G_PARAM_READWRITE)); /* CHECKME! */
244 245 246 247 248 249 250 251 252 253 254 255
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_NO_TRACKS,
    g_param_spec_int("no_tracks","no_tracks","no_tracks",
		      0,G_MAXINT,0,G_PARAM_READABLE));
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DISCID,
    g_param_spec_string("discid","discid","discid",
	    		NULL, G_PARAM_READABLE));
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OFFSETS,
    g_param_spec_string("offsets","offsets","offsets",
	    		NULL, G_PARAM_READABLE));
  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TOTAL_TIME,
    g_param_spec_string("total_time","total_time","total_time",
		      	NULL, G_PARAM_READABLE));
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
256 257 258 259 260 261 262 263 264 265 266

  gobject_class->set_property = cdparanoia_set_property;
  gobject_class->get_property = cdparanoia_get_property;

  gstelement_class->change_state = cdparanoia_change_state;
}

static void
cdparanoia_init (CDParanoia *cdparanoia)
{
  cdparanoia->srcpad = gst_pad_new_from_template (
267
		  GST_PAD_TEMPLATE_GET (cdparanoia_src_factory), "src");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
268 269 270
  gst_pad_set_get_function (cdparanoia->srcpad, cdparanoia_get);
  gst_element_add_pad (GST_ELEMENT (cdparanoia), cdparanoia->srcpad);

271
  cdparanoia->device = g_strdup ("/dev/cdrom");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291
  cdparanoia->generic_device = NULL;
  cdparanoia->start_sector = -1;
  cdparanoia->end_sector = -1;
  cdparanoia->cur_sector = -1;
  cdparanoia->start_track = -1;
  cdparanoia->cur_track = -1;
  cdparanoia->end_track = -1;
  cdparanoia->last_track = -1;
  cdparanoia->default_sectors = -1;
  cdparanoia->search_overlap = -1;
  cdparanoia->endian = -1;
  cdparanoia->read_speed = -1;
  cdparanoia->toc_offset = 0;
  cdparanoia->toc_bias = FALSE;
  cdparanoia->never_skip = FALSE;
  cdparanoia->paranoia_mode = 2;
  cdparanoia->abort_on_skip = FALSE;

  cdparanoia->cur_sector = 0;
  cdparanoia->seq = 0;
292 293 294 295 296

  cdparanoia->no_tracks=0;
  cdparanoia->discid=NULL;
  cdparanoia->offsets=NULL;
  cdparanoia->total_seconds=0;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313
}


static void
cdparanoia_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
  CDParanoia *src;

  /* it's not null if we got it, but it might not be ours */
  g_return_if_fail (GST_IS_CDPARANOIA (object));

  src = CDPARANOIA (object);

  switch (prop_id) {
    case ARG_LOCATION:
      if (src->device) g_free (src->device);
      /* clear the filename if we get a NULL (is that possible?) */
314 315
      if (!g_ascii_strcasecmp( g_value_get_string (value),""))
	 src->device = NULL;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
316 317 318 319 320 321 322 323
      /* otherwise set the new filename */
      else
        src->device = g_strdup (g_value_get_string (value));
      break;
    case ARG_GENERIC_DEVICE:

      if (src->generic_device) g_free (src->generic_device);
      /* reset the device if we get a NULL (is that possible?) */
324
      if (!g_ascii_strcasecmp( g_value_get_string (value),""))
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
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
        src->generic_device = NULL;
      /* otherwise set the new filename */
      else
        src->generic_device = g_strdup (g_value_get_string (value));
      break;
    case ARG_START_SECTOR:
      src->start_sector = g_value_get_int (value);
      break;
    case ARG_END_SECTOR:
      src->end_sector = g_value_get_int (value);
      break;
    case ARG_START_TRACK:
      src->start_track = g_value_get_int (value);
      break;
    case ARG_END_TRACK:
      src->end_track = g_value_get_int (value);
      break;  
    case ARG_DEFAULT_SECTORS:
      src->default_sectors = g_value_get_int (value);
      break;
    case ARG_SEARCH_OVERLAP:
      src->search_overlap = g_value_get_int (value);
      break;
    case ARG_ENDIAN:
      src->endian = g_value_get_int (value);
      break;
    case ARG_READ_SPEED:
      src->read_speed = g_value_get_int (value);
      break;
    case ARG_TOC_OFFSET:
      src->toc_offset = g_value_get_int (value);
      break;
    case ARG_TOC_BIAS:
      src->toc_bias = g_value_get_boolean (value);
      break;
    case ARG_NEVER_SKIP:
      src->never_skip = g_value_get_boolean (value);
      break;
    case ARG_ABORT_ON_SKIP:
      src->abort_on_skip = g_value_get_boolean (value);
      break;
    case ARG_PARANOIA_MODE:
Wim Taymans's avatar
Wim Taymans committed
367
      src->paranoia_mode = g_value_get_enum (value);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
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
      break;
    default:
      break;
  }

}

static void
cdparanoia_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
  CDParanoia *src;

  g_return_if_fail (GST_IS_CDPARANOIA (object));

  src = CDPARANOIA (object);

  switch (prop_id) {
    case ARG_LOCATION:
      g_value_set_string (value, src->device);
      break;
    case ARG_GENERIC_DEVICE:
      g_value_set_string (value, src->generic_device);
      break;
    case ARG_START_SECTOR:
      g_value_set_int (value, src->start_sector);
      break;
    case ARG_END_SECTOR:
      g_value_set_int (value, src->end_sector);
      break;
    case ARG_CUR_SECTOR:
      g_value_set_int (value, src->cur_sector);
      break;
    case ARG_START_TRACK:
      g_value_set_int (value, src->start_track);
      break;
    case ARG_END_TRACK:
      g_value_set_int (value, src->end_track);
      break;
    case ARG_CUR_TRACK:
      g_value_set_int (value, src->cur_track);
      break;
    case ARG_LAST_TRACK:
      g_value_set_int (value, src->last_track);
      break;
    case ARG_DEFAULT_SECTORS:
      g_value_set_int (value, src->default_sectors);
      break;
    case ARG_SEARCH_OVERLAP:
      g_value_set_int (value, src->search_overlap);
      break;
    case ARG_ENDIAN:
      g_value_set_int (value, src->endian);
      break;
    case ARG_READ_SPEED:
      g_value_set_int (value, src->read_speed);
      break;
    case ARG_TOC_OFFSET:
      g_value_set_int (value, src->toc_offset);
      break;
    case ARG_TOC_BIAS:
      g_value_set_boolean (value, src->toc_bias);
      break;
    case ARG_NEVER_SKIP:
      g_value_set_boolean (value, src->never_skip);
      break;
    case ARG_ABORT_ON_SKIP:
      g_value_set_boolean (value, src->abort_on_skip);
      break;
    case ARG_PARANOIA_MODE:
Wim Taymans's avatar
Wim Taymans committed
437
      g_value_set_enum (value, src->paranoia_mode);
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
438
      break;
439 440 441 442 443 444 445 446 447 448 449 450
    case ARG_NO_TRACKS:
      g_value_set_int (value, src->no_tracks);
      break;
    case ARG_DISCID:
      g_value_set_string(value, src->discid);
      break;      
    case ARG_OFFSETS:
      g_value_set_string(value, src->offsets);
      break;
    case ARG_TOTAL_TIME:
      g_value_set_string(value, src->total_seconds);
      break;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}

static void cdparanoia_callback(long inpos, int function) {
}

static GstBuffer*
cdparanoia_get (GstPad *pad)
{
  CDParanoia *src;
  GstBuffer *buf;
  static gint16 *cdda_buf;

  g_return_val_if_fail (pad != NULL, NULL);
  src = CDPARANOIA (gst_pad_get_parent (pad));
  g_return_val_if_fail (GST_FLAG_IS_SET (src, CDPARANOIA_OPEN), NULL);

471 472
  /* read a sector */
/* NOTE: if you have a patched cdparanoia, set this to 1 to save cycles */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
473 474 475 476 477 478
#if 0
  cdda_buf = paranoia_read (src->p, NULL);
#else
  cdda_buf = paranoia_read (src->p, cdparanoia_callback);
#endif

479
  /* update current sector and stop things if appropriate */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
480 481 482
  src->cur_sector++;

  if (src->cur_sector == src->end_sector) {
483
    GST_DEBUG (0,"setting EOS");
Wim Taymans's avatar
Wim Taymans committed
484
    gst_element_set_eos(GST_ELEMENT(src));
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
485

Wim Taymans's avatar
Wim Taymans committed
486 487 488 489 490
    buf = GST_BUFFER (gst_event_new (GST_EVENT_EOS));
  }
  else {
    src->cur_track = cdda_sector_gettrack( src->d, src->cur_sector );

491 492
    /* have to copy the buffer for now since we don't own it... */
    /* FIXME must ask monty about allowing ownership transfer */
Wim Taymans's avatar
Wim Taymans committed
493
    buf = gst_buffer_new_and_alloc (CD_FRAMESIZE_RAW);
Wim Taymans's avatar
Wim Taymans committed
494
    memcpy (GST_BUFFER_DATA (buf), cdda_buf, CD_FRAMESIZE_RAW);
Wim Taymans's avatar
Wim Taymans committed
495 496 497

    GST_BUFFER_TIMESTAMP (buf) = ((CD_FRAMESIZE_RAW >> 2 ) * src->seq * GST_SECOND) / 44100;
    src->seq++;
Wim Taymans's avatar
Wim Taymans committed
498
  }
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
499 500 501 502 503

  /* we're done, push the buffer off now */
  return buf;
}

504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529
/* need some stuff to get a discid (cdparanoia doesn't do cddb but lets
 * not stop other ppl doing it ;-) */
typedef int byte;

typedef struct
{
	byte m;
	byte s;
	byte f;
}toc_msf;

/* cdparanoia provides the toc in lba format dang we need it in msf so
 * we have to convert it */
static inline void lba_to_msf (const gint lba, byte *m, byte *s, byte *f)
{
	gint lba2 = lba;
	lba2 += CD_MSF_OFFSET;
	lba2 &= 0xffffff;
	*m = lba2 / (CD_SECS * CD_FRAMES);
	lba2 %= (CD_SECS * CD_FRAMES);
	*s = lba2 / CD_FRAMES;
	*f = lba2 % CD_FRAMES;
	*f += (*m)*60*75;
	*f += (*s)*75;	
}

Wim Taymans's avatar
Wim Taymans committed
530 531
static void 
lba_toc_to_msf_toc (TOC *lba_toc, toc_msf *msf_toc, gint tracks)
532 533 534 535 536 537 538 539
{
	gint i;
	for (i =0; i <= tracks; i++)
		lba_to_msf(lba_toc[i].dwStartSector,&msf_toc[i].m,
				&msf_toc[i].s, &msf_toc[i].f);
}

/* the cddb hash function */
Wim Taymans's avatar
Wim Taymans committed
540 541
static guint
cddb_sum(gint n) 
542 543 544 545 546 547 548 549 550 551 552
{
	guint ret;
	ret = 0;
	while (n > 0) 
	{
		ret += (n % 10);
		n /= 10;
	}
	return ret;
}

Wim Taymans's avatar
Wim Taymans committed
553 554
static void 
cddb_discid(gchar *discid,toc_msf *toc, gint tracks)
555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
{
	guint i = 0, t = 0, n = 0;

	while (i < tracks)
	{
		n = n + cddb_sum((toc[i].m * 60) + toc[i].s);
		i++;
	}
	t = ((toc[tracks].m * 60) + toc[tracks].s) - ((toc[0].m * 60)
			+ toc[0].s);

	sprintf (discid,"%08x",(( n % 0xff) << 24 | t << 8 | tracks));
}

/* get all the cddb info at once */
Wim Taymans's avatar
Wim Taymans committed
570 571 572
static void 
get_cddb_info(TOC *toc, gint tracks,gchar *discid, gchar *offsets,
	      gchar *total_seconds)
573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
{
	toc_msf 	msf_toc[MAXTRK];
	gint		i;
	gchar		*p = offsets;

	lba_toc_to_msf_toc(toc, &msf_toc[0],tracks);
	cddb_discid ( discid,  &msf_toc[0], tracks);	

	for (i = 0; i < tracks; i++)
		p = (p + sprintf (p, " %d", msf_toc[i].f)) ;

	sprintf (total_seconds, "%d", msf_toc[tracks].f/75);
	
}

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
588 589 590 591 592 593 594 595 596 597 598
/* open the file, necessary to go to RUNNING state */
static gboolean
cdparanoia_open (CDParanoia *src)
{
  gint i;
  gint paranoia_mode;

  g_return_val_if_fail (!GST_FLAG_IS_SET (src, CDPARANOIA_OPEN), FALSE);

  GST_DEBUG_ENTER("(\"%s\",...)", gst_element_get_name (GST_ELEMENT (src)));

599
  /* find the device */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
600 601 602 603 604 605 606 607 608 609
  if (src->generic_device != NULL) {
    src->d = cdda_identify_scsi (src->generic_device, src->device, FALSE, NULL);
  } else {
    if (src->device != NULL) {
      src->d = cdda_identify (src->device, FALSE, NULL);
    } else {
      src->d = cdda_identify ("/dev/cdrom", FALSE, NULL);
    }
  }

610
  /* fail if the device couldn't be found */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
611
  if (src->d == NULL) {
612
    GST_DEBUG (0,"couldn't open device");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
613 614 615
    return FALSE;
  }

616
  /* set verbosity mode */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
617 618
  cdda_verbose_set (src->d, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);

619
  /* set various other parameters */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
620 621
  if (src->default_sectors != -1) {
    if ((src->default_sectors < 0) || (src->default_sectors > 100)) {
622
      GST_DEBUG (0,"default sector read size must be 1 <= n <= 100");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
623 624 625 626 627 628 629 630 631 632
      cdda_close (src->d);
      src->d = NULL;
      return FALSE;
    } else {
      src->d->nsectors = src->default_sectors;
      src->d->bigbuff = src->default_sectors * CD_FRAMESIZE_RAW;
    }
  }
  if (src->search_overlap != -1) {
    if ((src->search_overlap < 0) || (src->search_overlap > 75)) {
633
      GST_DEBUG (0,"search overlap must be 0 <= n <= 75");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
634 635 636 637 638 639
      cdda_close (src->d);
      src->d = NULL;
      return FALSE;
    }
  }

640
  /* open the disc */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
641
  if (cdda_open (src->d)) {
642
    GST_DEBUG (0,"couldn't open disc");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
643 644 645 646 647
    cdda_close (src->d);
    src->d = NULL;
    return FALSE;
  }

648
  /* set up some more stuff */
649 650 651 652 653 654 655 656 657 658 659
  src->no_tracks = src->d->tracks;

  g_assert(src->discid == NULL);
  g_assert(src->offsets == NULL);
  g_assert(src->total_seconds == NULL);

  /* I don't like this here i would prefer it under get_cddb_info but for somereason
   * when leaving the function it clobbers the allocated mem and all is lost bugger
  */
   
  src->discid 		= g_new0(gchar,20) ;
Wim Taymans's avatar
Wim Taymans committed
660
  /* FIXME convert to pad_query/convert */
661 662 663 664 665
  src->offsets 		= g_new0(gchar,4096);
  src->total_seconds 	= g_new0(gchar, 4);

  get_cddb_info(&src->d->disc_toc[0], src->no_tracks,src->discid,
		  src->offsets,src->total_seconds);
Wim Taymans's avatar
Wim Taymans committed
666 667 668 669 670 671

  g_object_freeze_notify (G_OBJECT (src));
  g_object_notify (G_OBJECT (src), "discid");
  g_object_notify (G_OBJECT (src), "offsets");
  g_object_notify (G_OBJECT (src), "total-time");
  g_object_thaw_notify (G_OBJECT (src));
672
	
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
673 674 675 676 677 678 679 680 681 682 683
  if (src->toc_bias) {
    src->toc_offset -= cdda_track_firstsector (src->d, 1);
  }
  for (i=0;i<src->d->tracks + 1;i++) {
    src->d->disc_toc[i].dwStartSector += src->toc_offset;
  }

  if (src->read_speed != -1) {
    cdda_speed_set (src->d, src->read_speed);
  }

684
  /* if the start_track is set, override the start_sector */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
685 686
  if (src->start_track != -1) {
    src->start_sector = cdda_track_firstsector (src->d, src->start_track);
687
  /* if neither start_track nor start_sector is set, */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
688 689 690
  } else if (src->start_sector == -1) {
    src->start_sector = cdda_disc_firstsector (src->d);
  }
691
  /* if the end_track is set, override the end_sector */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
692 693
  if (src->end_track != -1) {
    src->end_sector = cdda_track_lastsector (src->d, src->end_track);
694
  /* if neither end_track nor end_sector is set, */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
695 696 697 698
  } else if (src->end_sector == -1) {
    src->end_sector = cdda_disc_lastsector (src->d);
  }

699
  /* set last_track */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
700 701
  src->last_track = cdda_tracks (src->d);

702
  /* create the paranoia struct and set it up */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
703 704
  src->p = paranoia_init (src->d);
  if (src->p == NULL) {
705
    GST_DEBUG (0,"couldn't create paranoia struct");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
    return FALSE;
  }

  if (src->paranoia_mode == 0) paranoia_mode = PARANOIA_MODE_DISABLE;
  else if (src->paranoia_mode == 1) paranoia_mode = PARANOIA_MODE_OVERLAP;
  else paranoia_mode = PARANOIA_MODE_FULL;
  if (src->never_skip) paranoia_mode |= PARANOIA_MODE_NEVERSKIP;
  paranoia_modeset (src->p, paranoia_mode);

  if (src->search_overlap != -1) {
    paranoia_overlapset (src->p, src->search_overlap);
  }

  src->cur_sector = src->start_sector;
  paranoia_seek (src->p, src->cur_sector, SEEK_SET);
721
  GST_DEBUG (0,"successfully seek'd to beginning of disk");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
722 723 724 725 726 727 728 729 730 731 732 733 734 735

  GST_FLAG_SET (src, CDPARANOIA_OPEN);

  GST_DEBUG_LEAVE("");

  return TRUE;
}

/* close the file */
static void
cdparanoia_close (CDParanoia *src)
{
  g_return_if_fail (GST_FLAG_IS_SET (src, CDPARANOIA_OPEN));

736
  /* kill the paranoia state */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
737 738
  paranoia_free (src->p);
  src->p = NULL;
739 740 741 742 743 744 745 746 747
  
  g_free(src->discid);
  src->discid = NULL;
  
  g_free(src->offsets);
  src->offsets = NULL;
  
  g_free(src->total_seconds);
  src->total_seconds = NULL;
748
  /* close the disc */
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
749 750 751 752 753 754 755 756 757
  cdda_close (src->d);
  src->d = NULL;

  GST_FLAG_UNSET (src, CDPARANOIA_OPEN);
}

static GstElementStateReturn
cdparanoia_change_state (GstElement *element)
{
Wim Taymans's avatar
Wim Taymans committed
758 759
  CDParanoia *cdparanoia;

Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
760 761
  g_return_val_if_fail (GST_IS_CDPARANOIA (element), GST_STATE_FAILURE);

Wim Taymans's avatar
Wim Taymans committed
762 763 764 765 766 767
  cdparanoia = CDPARANOIA (element);

  switch (GST_STATE_TRANSITION (element)) {
    case GST_STATE_NULL_TO_READY:
      break;
    case GST_STATE_READY_TO_PAUSED:
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
768
      if (!cdparanoia_open (CDPARANOIA (element))) {
Wim Taymans's avatar
Wim Taymans committed
769
        g_warning ("cdparanoia: failed opening cd");
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
770 771
        return GST_STATE_FAILURE;
      }
Wim Taymans's avatar
Wim Taymans committed
772 773 774 775 776 777 778 779 780 781 782 783 784 785
      cdparanoia->seq = 0;
      break;
    case GST_STATE_PAUSED_TO_PLAYING:
      break;
    case GST_STATE_PLAYING_TO_PAUSED:
      break;
    case GST_STATE_PAUSED_TO_READY:
      cdparanoia_close (CDPARANOIA (element));
      cdparanoia->seq = 0;
      break;
    case GST_STATE_READY_TO_NULL:
      break;
    default:
      break;
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
  }

  /* if we haven't failed already, give the parent class a chance too ;-) */
  if (GST_ELEMENT_CLASS (parent_class)->change_state)
    return GST_ELEMENT_CLASS (parent_class)->change_state (element);

  return GST_STATE_SUCCESS;
}

static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
  GstElementFactory *factory;

  /* create an elementfactory for the cdparanoia element */
801
  factory = gst_element_factory_new ("cdparanoia", GST_TYPE_CDPARANOIA,
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
802 803 804 805
                                    &cdparanoia_details);
  g_return_val_if_fail (factory != NULL, FALSE);

  /* register the source's caps */
806
  gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (cdparanoia_src_factory));
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
807 808 809 810 811 812 813 814 815 816 817 818 819

  /* and add the cdparanoia element factory to the plugin */
  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));

  return TRUE;
}

GstPluginDesc plugin_desc = {
  GST_VERSION_MAJOR,
  GST_VERSION_MINOR,
  "cdparanoia",
  plugin_init
};