1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2 -*- */
3 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * <2005> Wim Taymans <wim@fluendo.com>
5 * <2005> Tim-Philipp Müller <tim centricular net>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
31 #include "gstcdparanoiasrc.h"
32 #include "gst/gst-i18n-plugin.h"
51 #define DEFAULT_READ_SPEED -1
52 #define DEFAULT_SEARCH_OVERLAP -1
53 #define DEFAULT_PARANOIA_MODE PARANOIA_MODE_FRAGMENT
54 #define DEFAULT_GENERIC_DEVICE NULL
55 #define DEFAULT_CACHE_SIZE -1
57 GST_DEBUG_CATEGORY_STATIC (gst_cd_paranoia_src_debug);
58 #define GST_CAT_DEFAULT gst_cd_paranoia_src_debug
60 #define gst_cd_paranoia_src_parent_class parent_class
61 G_DEFINE_TYPE (GstCdParanoiaSrc, gst_cd_paranoia_src, GST_TYPE_AUDIO_CD_SRC);
63 static void gst_cd_paranoia_src_finalize (GObject * obj);
64 static void gst_cd_paranoia_src_get_property (GObject * object, guint prop_id,
65 GValue * value, GParamSpec * pspec);
66 static void gst_cd_paranoia_src_set_property (GObject * object, guint prop_id,
67 const GValue * value, GParamSpec * pspec);
68 static GstBuffer *gst_cd_paranoia_src_read_sector (GstAudioCdSrc * src,
70 static gboolean gst_cd_paranoia_src_open (GstAudioCdSrc * src,
71 const gchar * device);
72 static void gst_cd_paranoia_src_close (GstAudioCdSrc * src);
74 /* We use these to serialize calls to paranoia_read() among several
75 * cdparanoiasrc instances. We do this because it's the only reasonably
76 * easy way to find out the calling object from within the paranoia
77 * callback, and we need the object instance in there to emit our signals */
78 static GstCdParanoiaSrc *cur_cb_source;
79 static GMutex cur_cb_mutex;
81 static gint cdpsrc_signals[NUM_SIGNALS]; /* all 0 */
83 #define GST_TYPE_CD_PARANOIA_MODE (gst_cd_paranoia_mode_get_type())
85 gst_cd_paranoia_mode_get_type (void)
87 static const GFlagsValue paranoia_modes[] = {
88 {PARANOIA_MODE_DISABLE, "PARANOIA_MODE_DISABLE", "disable"},
89 {PARANOIA_MODE_FRAGMENT, "PARANOIA_MODE_FRAGMENT", "fragment"},
90 {PARANOIA_MODE_OVERLAP, "PARANOIA_MODE_OVERLAP", "overlap"},
91 {PARANOIA_MODE_SCRATCH, "PARANOIA_MODE_SCRATCH", "scratch"},
92 {PARANOIA_MODE_REPAIR, "PARANOIA_MODE_REPAIR", "repair"},
93 {PARANOIA_MODE_FULL, "PARANOIA_MODE_FULL", "full"},
97 static GType type; /* 0 */
100 type = g_flags_register_static ("GstCdParanoiaMode", paranoia_modes);
107 gst_cd_paranoia_src_init (GstCdParanoiaSrc * src)
111 src->next_sector = -1;
113 src->search_overlap = DEFAULT_SEARCH_OVERLAP;
114 src->paranoia_mode = DEFAULT_PARANOIA_MODE;
115 src->read_speed = DEFAULT_READ_SPEED;
116 src->generic_device = g_strdup (DEFAULT_GENERIC_DEVICE);
117 src->cache_size = DEFAULT_CACHE_SIZE;
121 gst_cd_paranoia_src_class_init (GstCdParanoiaSrcClass * klass)
123 GstAudioCdSrcClass *audiocdsrc_class = GST_AUDIO_CD_SRC_CLASS (klass);
124 GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
125 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
127 gobject_class->set_property = gst_cd_paranoia_src_set_property;
128 gobject_class->get_property = gst_cd_paranoia_src_get_property;
129 gobject_class->finalize = gst_cd_paranoia_src_finalize;
131 gst_element_class_set_static_metadata (element_class,
132 "CD Audio (cdda) Source, Paranoia IV", "Source/File",
133 "Read audio from CD in paranoid mode",
134 "Erik Walthinsen <omega@cse.ogi.edu>, Wim Taymans <wim@fluendo.com>");
136 audiocdsrc_class->open = gst_cd_paranoia_src_open;
137 audiocdsrc_class->close = gst_cd_paranoia_src_close;
138 audiocdsrc_class->read_sector = gst_cd_paranoia_src_read_sector;
140 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GENERIC_DEVICE,
141 g_param_spec_string ("generic-device", "Generic device",
142 "Use specified generic scsi device", DEFAULT_GENERIC_DEVICE,
143 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
144 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_READ_SPEED,
145 g_param_spec_int ("read-speed", "Read speed",
146 "Read from device at specified speed (-1 and 0 = full speed)",
147 -1, G_MAXINT, DEFAULT_READ_SPEED,
148 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
149 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PARANOIA_MODE,
150 g_param_spec_flags ("paranoia-mode", "Paranoia mode",
151 "Type of checking to perform", GST_TYPE_CD_PARANOIA_MODE,
152 DEFAULT_PARANOIA_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
153 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEARCH_OVERLAP,
154 g_param_spec_int ("search-overlap", "Search overlap",
155 "Force minimum overlap search during verification to n sectors", -1,
156 75, DEFAULT_SEARCH_OVERLAP,
157 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
159 * GstCdParanoiaSrc:cache-size:
161 * Set CD cache size to n sectors (-1 = auto)
163 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CACHE_SIZE,
164 g_param_spec_int ("cache-size", "Cache size",
165 "Set CD cache size to n sectors (-1 = auto)", -1,
166 G_MAXINT, DEFAULT_CACHE_SIZE,
167 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
169 /* FIXME: we don't really want signals for this, but messages on the bus,
170 * but then we can't check any longer whether anyone is interested in them */
172 * GstCdParanoiaSrc::transport-error:
173 * @cdparanoia: The CdParanoia instance
174 * @sector: The sector number at which the error was encountered.
176 * This signal is emitted whenever an error occurs while reading.
177 * CdParanoia will attempt to recover the data.
179 cdpsrc_signals[TRANSPORT_ERROR] =
180 g_signal_new ("transport-error", G_TYPE_FROM_CLASS (klass),
182 G_STRUCT_OFFSET (GstCdParanoiaSrcClass, transport_error),
183 NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_INT);
185 * GstCdParanoiaSrc::uncorrected-error:
186 * @cdparanoia: The CdParanoia instance
187 * @sector: The sector number at which the error was encountered.
189 * This signal is emitted whenever an uncorrectable error occurs while
190 * reading. The data could not be read.
192 cdpsrc_signals[UNCORRECTED_ERROR] =
193 g_signal_new ("uncorrected-error", G_TYPE_FROM_CLASS (klass),
195 G_STRUCT_OFFSET (GstCdParanoiaSrcClass, uncorrected_error),
196 NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_INT);
198 gst_type_mark_as_plugin_api (GST_TYPE_CD_PARANOIA_MODE, 0);
202 gst_cd_paranoia_src_open (GstAudioCdSrc * audiocdsrc, const gchar * device)
204 GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (audiocdsrc);
207 GST_DEBUG_OBJECT (src, "trying to open device %s (generic-device=%s) ...",
208 device, GST_STR_NULL (src->generic_device));
210 /* find the device */
211 if (src->generic_device != NULL) {
212 src->d = cdda_identify_scsi (src->generic_device, device, FALSE, NULL);
214 if (device != NULL) {
215 src->d = cdda_identify (device, FALSE, NULL);
217 src->d = cdda_identify ("/dev/cdrom", FALSE, NULL);
221 /* fail if the device couldn't be found */
225 /* set verbosity mode */
226 cdda_verbose_set (src->d, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);
229 if (cdda_open (src->d))
232 GST_INFO_OBJECT (src, "set read speed to %d", src->read_speed);
233 cdda_speed_set (src->d, src->read_speed);
235 for (i = 1; i < src->d->tracks + 1; i++) {
236 GstAudioCdSrcTrack track = { 0, };
239 track.is_audio = IS_AUDIO (src->d, i - 1);
240 track.start = cdda_track_firstsector (src->d, i);
241 track.end = cdda_track_lastsector (src->d, i);
244 gst_audio_cd_src_add_track (GST_AUDIO_CD_SRC (src), &track);
247 /* create the paranoia struct and set it up */
248 src->p = paranoia_init (src->d);
252 paranoia_modeset (src->p, src->paranoia_mode);
253 GST_INFO_OBJECT (src, "set paranoia mode to 0x%02x", src->paranoia_mode);
255 if (src->search_overlap != -1) {
256 paranoia_overlapset (src->p, src->search_overlap);
257 GST_INFO_OBJECT (src, "search overlap set to %u", src->search_overlap);
260 cache_size = src->cache_size;
261 if (cache_size == -1) {
262 /* if paranoia mode is low (the default), assume we're doing playback */
263 if (src->paranoia_mode <= PARANOIA_MODE_FRAGMENT)
266 cache_size = paranoia_cachemodel_size (src->p, -1);
268 paranoia_cachemodel_size (src->p, cache_size);
269 GST_INFO_OBJECT (src, "set cachemodel size to %u", cache_size);
271 src->next_sector = -1;
278 GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
279 (_("Could not open CD device for reading.")), ("cdda_identify failed"));
284 GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
285 (_("Could not open CD device for reading.")), ("cdda_open failed"));
292 GST_ELEMENT_ERROR (src, LIBRARY, INIT,
293 ("failed to initialize paranoia"), ("failed to initialize paranoia"));
299 gst_cd_paranoia_src_close (GstAudioCdSrc * audiocdsrc)
301 GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (audiocdsrc);
304 paranoia_free (src->p);
313 src->next_sector = -1;
317 gst_cd_paranoia_dummy_callback (long inpos, int function)
319 /* Used by instanced where no one is interested what's happening here */
323 gst_cd_paranoia_paranoia_callback (long inpos, int function)
325 GstCdParanoiaSrc *src = cur_cb_source;
326 gint sector = (gint) (inpos / CD_FRAMEWORDS);
329 case PARANOIA_CB_SKIP:
330 GST_INFO_OBJECT (src, "Skip at sector %d", sector);
331 g_signal_emit (src, cdpsrc_signals[UNCORRECTED_ERROR], 0, sector);
333 case PARANOIA_CB_READERR:
334 GST_INFO_OBJECT (src, "Transport error at sector %d", sector);
335 g_signal_emit (src, cdpsrc_signals[TRANSPORT_ERROR], 0, sector);
343 gst_cd_paranoia_src_signal_is_being_watched (GstCdParanoiaSrc * src, gint sig)
345 return g_signal_has_handler_pending (src, cdpsrc_signals[sig], 0, FALSE);
349 gst_cd_paranoia_src_read_sector (GstAudioCdSrc * audiocdsrc, gint sector)
351 GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (audiocdsrc);
353 gboolean do_serialize;
357 /* Do we really need to output this? (tpm) */
358 /* Due to possible autocorrections of start sectors of audio tracks on
359 * multisession cds, we can maybe not compute the correct discid.
360 * So issue a warning.
361 * See cdparanoia/interface/common-interface.c:FixupTOC */
362 if (src->d && src->d->cd_extra) {
364 ("DiscID on multisession discs might be broken. Use at own risk.");
368 if (src->next_sector == -1 || src->next_sector != sector) {
369 if (paranoia_seek (src->p, sector, SEEK_SET) == -1)
372 GST_DEBUG_OBJECT (src, "successfully seeked to sector %d", sector);
373 src->next_sector = sector;
377 gst_cd_paranoia_src_signal_is_being_watched (src, TRANSPORT_ERROR) ||
378 gst_cd_paranoia_src_signal_is_being_watched (src, UNCORRECTED_ERROR);
381 GST_LOG_OBJECT (src, "Signal handlers connected, serialising access");
382 g_mutex_lock (&cur_cb_mutex);
383 GST_LOG_OBJECT (src, "Got lock");
386 cdda_buf = paranoia_read (src->p, gst_cd_paranoia_paranoia_callback);
388 cur_cb_source = NULL;
389 GST_LOG_OBJECT (src, "Releasing lock");
390 g_mutex_unlock (&cur_cb_mutex);
392 cdda_buf = paranoia_read (src->p, gst_cd_paranoia_dummy_callback);
395 if (cdda_buf == NULL)
398 buf = gst_buffer_new_and_alloc (CD_FRAMESIZE_RAW);
399 gst_buffer_fill (buf, 0, cdda_buf, CD_FRAMESIZE_RAW);
401 /* cdda base class will take care of timestamping etc. */
409 GST_WARNING_OBJECT (src, "seek to sector %d failed!", sector);
410 GST_ELEMENT_ERROR (src, RESOURCE, SEEK,
411 (_("Could not seek CD.")),
412 ("paranoia_seek to %d failed: %s", sector, g_strerror (errno)));
417 GST_WARNING_OBJECT (src, "read at sector %d failed!", sector);
418 GST_ELEMENT_ERROR (src, RESOURCE, READ,
419 (_("Could not read CD.")),
420 ("paranoia_read at %d failed: %s", sector, g_strerror (errno)));
426 gst_cd_paranoia_src_finalize (GObject * obj)
428 GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (obj);
430 g_free (src->generic_device);
432 G_OBJECT_CLASS (parent_class)->finalize (obj);
436 gst_cd_paranoia_src_set_property (GObject * object, guint prop_id,
437 const GValue * value, GParamSpec * pspec)
439 GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (object);
441 GST_OBJECT_LOCK (src);
444 case PROP_GENERIC_DEVICE:{
445 g_free (src->generic_device);
446 src->generic_device = g_value_dup_string (value);
447 if (src->generic_device && src->generic_device[0] == '\0') {
448 g_free (src->generic_device);
449 src->generic_device = NULL;
453 case PROP_READ_SPEED:{
454 src->read_speed = g_value_get_int (value);
455 if (src->read_speed == 0)
456 src->read_speed = -1;
459 case PROP_PARANOIA_MODE:{
460 src->paranoia_mode = g_value_get_flags (value) & PARANOIA_MODE_FULL;
463 case PROP_SEARCH_OVERLAP:{
464 src->search_overlap = g_value_get_int (value);
467 case PROP_CACHE_SIZE:{
468 src->cache_size = g_value_get_int (value);
472 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
476 GST_OBJECT_UNLOCK (src);
480 gst_cd_paranoia_src_get_property (GObject * object, guint prop_id,
481 GValue * value, GParamSpec * pspec)
483 GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (object);
485 GST_OBJECT_LOCK (src);
488 case PROP_READ_SPEED:
489 g_value_set_int (value, src->read_speed);
491 case PROP_PARANOIA_MODE:
492 g_value_set_flags (value, src->paranoia_mode);
494 case PROP_GENERIC_DEVICE:
495 g_value_set_string (value, src->generic_device);
497 case PROP_SEARCH_OVERLAP:
498 g_value_set_int (value, src->search_overlap);
500 case PROP_CACHE_SIZE:
501 g_value_set_int (value, src->cache_size);
504 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
508 GST_OBJECT_UNLOCK (src);
512 plugin_init (GstPlugin * plugin)
514 GST_DEBUG_CATEGORY_INIT (gst_cd_paranoia_src_debug, "cdparanoiasrc", 0,
515 "CD Paranoia Source");
517 if (!gst_element_register (plugin, "cdparanoiasrc", GST_RANK_SECONDARY,
518 GST_TYPE_CD_PARANOIA_SRC))
522 GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
524 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
525 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
531 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
534 "Read audio from CD in paranoid mode",
535 plugin_init, GST_PLUGINS_BASE_VERSION, "LGPL", GST_PACKAGE_NAME,