1 /*****************************************************************************
2 * bluray.c: Blu-ray disc support plugin
3 *****************************************************************************
4 * Copyright © 2010-2011 VideoLAN, VLC authors and libbluray AUTHORS
6 * Authors: Jean-Baptiste Kempf <jb@videolan.org>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
28 #include <limits.h> /* PATH_MAX */
29 #if defined (HAVE_MNTENT_H) && defined(HAVE_SYS_STAT_H)
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
36 #include <vlc_demux.h> /* demux_t */
37 #include <vlc_input.h> /* Seekpoints, chapters */
38 #include <vlc_dialog.h> /* BD+/AACS warnings */
40 #include <libbluray/bluray.h>
41 #include <libbluray/meta_data.h>
43 /*****************************************************************************
45 *****************************************************************************/
48 static int blurayOpen ( vlc_object_t * );
49 static void blurayClose( vlc_object_t * );
52 set_shortname( N_("BluRay") )
53 set_description( N_("Blu-Ray Disc support (libbluray)") )
55 set_category( CAT_INPUT )
56 set_subcategory( SUBCAT_INPUT_ACCESS )
57 set_capability( "access_demux", 200)
59 add_shortcut( "bluray", "file" )
61 set_callbacks( blurayOpen, blurayClose )
71 unsigned int i_longest_title;
72 input_title_t **pp_title;
78 /*****************************************************************************
80 *****************************************************************************/
81 static int blurayControl(demux_t *, int, va_list);
82 static int blurayDemux (demux_t *);
84 static int blurayInitTitles(demux_t *p_demux );
85 static int bluraySetTitle(demux_t *p_demux, int i_title);
87 #define FROM_TICKS(a) (a*CLOCK_FREQ / INT64_C(90000))
88 #define TO_TICKS(a) (a*INT64_C(90000)/CLOCK_FREQ)
89 #define CUR_LENGTH p_sys->pp_title[p_demux->info.i_title]->i_length
91 /*****************************************************************************
92 * blurayOpen: module init function
93 *****************************************************************************/
94 static int blurayOpen( vlc_object_t *object )
96 demux_t *p_demux = (demux_t*)object;
101 char bd_path[PATH_MAX] = { '\0' };
102 const char *error_msg = NULL;
104 if (strcmp(p_demux->psz_access, "bluray")) {
105 // TODO BDMV support, once we figure out what to do in libbluray
110 p_demux->p_sys = p_sys = malloc(sizeof(*p_sys));
111 if (unlikely(!p_sys)) {
114 p_sys->p_parser = NULL;
116 /* init demux info fields */
117 p_demux->info.i_update = 0;
118 p_demux->info.i_title = 0;
119 p_demux->info.i_seekpoint = 0;
121 TAB_INIT( p_sys->i_title, p_sys->pp_title );
123 /* store current bd_path */
124 if (p_demux->psz_file) {
125 strncpy(bd_path, p_demux->psz_file, sizeof(bd_path));
126 bd_path[PATH_MAX - 1] = '\0';
129 #if defined (HAVE_MNTENT_H) && defined (HAVE_SYS_STAT_H)
130 /* If we're passed a block device, try to convert it to the mount point. */
132 if ( !stat (bd_path, &st)) {
133 if (S_ISBLK (st.st_mode)) {
134 FILE* mtab = setmntent ("/proc/self/mounts", "r");
138 while ((m = getmntent_r (mtab, &mbuf, buf, sizeof(buf))) != NULL) {
139 if (!strcmp (m->mnt_fsname, bd_path)) {
140 strncpy (bd_path, m->mnt_dir, sizeof(bd_path));
141 bd_path[sizeof(bd_path) - 1] = '\0';
148 #endif /* HAVE_MNTENT_H && HAVE_SYS_STAT_H */
149 p_sys->bluray = bd_open(bd_path, NULL);
150 if (!p_sys->bluray) {
155 /* Warning the user about AACS/BD+ */
156 const BLURAY_DISC_INFO *disc_info = bd_get_disc_info(p_sys->bluray);
157 msg_Info(p_demux, "First play: %i, Top menu: %i\n"
158 "HDMV Titles: %i, BD-J Titles: %i, Other: %i",
159 disc_info->first_play_supported, disc_info->top_menu_supported,
160 disc_info->num_hdmv_titles, disc_info->num_bdj_titles,
161 disc_info->num_unsupported_titles);
164 if (disc_info->aacs_detected) {
165 if (!disc_info->libaacs_detected) {
166 error_msg = _("This Blu-Ray Disc needs a library for AACS decoding, "
167 "and your system does not have it.");
170 if (!disc_info->aacs_handled) {
171 error_msg = _("Your system AACS decoding library does not work. "
178 if (disc_info->bdplus_detected) {
179 if (!disc_info->libbdplus_detected) {
180 error_msg = _("This Blu-Ray Disc needs a library for BD+ decoding, "
181 "and your system does not have it.");
184 if (!disc_info->bdplus_handled) {
185 error_msg = _("Your system BD+ decoding library does not work. "
186 "Missing configuration?");
191 /* Get titles and chapters */
192 if (blurayInitTitles(p_demux) != VLC_SUCCESS) {
197 * Initialize the event queue, so we can receive events in blurayDemux(Menu).
199 bd_get_event(p_sys->bluray, NULL);
201 /* get title request */
202 if ((pos_title = strrchr(bd_path, ':'))) {
203 /* found character ':' for title information */
204 *(pos_title++) = '\0';
205 i_title = atoi(pos_title);
208 /* set start title number */
209 if (bluraySetTitle(p_demux, i_title) != VLC_SUCCESS) {
210 msg_Err( p_demux, "Could not set the title %d", i_title );
214 p_sys->p_parser = stream_DemuxNew(p_demux, "ts", p_demux->out);
215 if (!p_sys->p_parser) {
216 msg_Err(p_demux, "Failed to create TS demuxer");
220 p_demux->pf_control = blurayControl;
221 p_demux->pf_demux = blurayDemux;
227 dialog_Fatal(p_demux, _("Blu-Ray error"), "%s", error_msg);
233 /*****************************************************************************
234 * blurayClose: module destroy function
235 *****************************************************************************/
236 static void blurayClose( vlc_object_t *object )
238 demux_t *p_demux = (demux_t*)object;
239 demux_sys_t *p_sys = p_demux->p_sys;
242 stream_Delete(p_sys->p_parser);
245 for (unsigned int i = 0; i < p_sys->i_title; i++)
246 vlc_input_title_Delete(p_sys->pp_title[i]);
247 TAB_CLEAN( p_sys->i_title, p_sys->pp_title );
249 /* bd_close( NULL ) can crash */
250 assert(p_sys->bluray);
251 bd_close(p_sys->bluray);
256 static int blurayInitTitles(demux_t *p_demux )
258 demux_sys_t *p_sys = p_demux->p_sys;
260 /* get and set the titles */
261 unsigned i_title = bd_get_titles(p_sys->bluray, TITLES_RELEVANT, 60);
262 int64_t duration = 0;
264 for (unsigned int i = 0; i < i_title; i++) {
265 input_title_t *t = vlc_input_title_New();
269 BLURAY_TITLE_INFO *title_info = bd_get_title_info(p_sys->bluray, i, 0);
272 t->i_length = FROM_TICKS(title_info->duration);
274 if (t->i_length > duration) {
275 duration = t->i_length;
276 p_sys->i_longest_title = i;
279 for ( unsigned int j = 0; j < title_info->chapter_count; j++) {
280 seekpoint_t *s = vlc_seekpoint_New();
283 s->i_time_offset = title_info->chapters[j].offset;
285 TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
287 TAB_APPEND( p_sys->i_title, p_sys->pp_title, t );
288 bd_free_title_info(title_info);
293 static void blurayUpdateTitle( demux_t *p_demux, int i_title )
295 /* read title info and init some values */
296 p_demux->info.i_title = i_title;
297 p_demux->info.i_seekpoint = 0;
298 p_demux->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
301 /*****************************************************************************
302 * bluraySetTitle: select new BD title
303 *****************************************************************************/
304 static int bluraySetTitle(demux_t *p_demux, int i_title)
306 demux_sys_t *p_sys = p_demux->p_sys;
308 /* Looking for the main title, ie the longest duration */
310 i_title = p_sys->i_longest_title;
311 else if ((unsigned)i_title > p_sys->i_title)
314 msg_Dbg( p_demux, "Selecting Title %i", i_title);
316 /* Select Blu-Ray title */
317 if (bd_select_title(p_demux->p_sys->bluray, i_title) == 0 ) {
318 msg_Err(p_demux, "cannot select bd title '%d'", p_demux->info.i_title);
321 blurayUpdateTitle( p_demux, i_title );
327 /*****************************************************************************
328 * blurayControl: handle the controls
329 *****************************************************************************/
330 static int blurayControl(demux_t *p_demux, int query, va_list args)
332 demux_sys_t *p_sys = p_demux->p_sys;
338 case DEMUX_CAN_PAUSE:
339 case DEMUX_CAN_CONTROL_PACE:
340 pb_bool = (bool*)va_arg( args, bool * );
344 case DEMUX_GET_PTS_DELAY:
345 pi_64 = (int64_t*)va_arg( args, int64_t * );
347 INT64_C(1000) * var_InheritInteger( p_demux, "disc-caching" );
350 case DEMUX_SET_PAUSE_STATE:
354 case DEMUX_SET_TITLE:
356 int i_title = (int)va_arg( args, int );
357 if (bluraySetTitle(p_demux, i_title) != VLC_SUCCESS)
361 case DEMUX_SET_SEEKPOINT:
363 int i_chapter = (int)va_arg( args, int );
364 bd_seek_chapter( p_sys->bluray, i_chapter );
365 p_demux->info.i_update = INPUT_UPDATE_SEEKPOINT;
369 case DEMUX_GET_TITLE_INFO:
371 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
372 int *pi_int = (int*)va_arg( args, int* );
373 int *pi_title_offset = (int*)va_arg( args, int* );
374 int *pi_chapter_offset = (int*)va_arg( args, int* );
377 *pi_title_offset = 0;
378 *pi_chapter_offset = 0;
380 /* Duplicate local title infos */
381 *pi_int = p_sys->i_title;
382 *ppp_title = calloc( p_sys->i_title, sizeof(input_title_t **) );
383 for( unsigned int i = 0; i < p_sys->i_title; i++ )
384 (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->pp_title[i]);
389 case DEMUX_GET_LENGTH:
391 int64_t *pi_length = (int64_t*)va_arg(args, int64_t *);
392 *pi_length = p_demux->info.i_title < p_sys->i_title ? CUR_LENGTH : 0;
397 int64_t i_time = (int64_t)va_arg(args, int64_t);
398 bd_seek_time(p_sys->bluray, TO_TICKS(i_time));
403 int64_t *pi_time = (int64_t*)va_arg(args, int64_t *);
404 *pi_time = (int64_t)FROM_TICKS(bd_tell_time(p_sys->bluray));
408 case DEMUX_GET_POSITION:
410 double *pf_position = (double*)va_arg( args, double * );
411 *pf_position = p_demux->info.i_title < p_sys->i_title ?
412 (double)FROM_TICKS(bd_tell_time(p_sys->bluray))/CUR_LENGTH : 0.0;
415 case DEMUX_SET_POSITION:
417 double f_position = (double)va_arg(args, double);
418 bd_seek_time(p_sys->bluray, TO_TICKS(f_position*CUR_LENGTH));
424 struct meta_dl *meta = bd_get_meta(p_sys->bluray);
428 vlc_meta_t *p_meta = (vlc_meta_t *) va_arg (args, vlc_meta_t*);
430 if (!EMPTY_STR(meta->di_name)) vlc_meta_SetTitle(p_meta, meta->di_name);
432 if (!EMPTY_STR(meta->language_code)) vlc_meta_AddExtra(p_meta, "Language", meta->language_code);
433 if (!EMPTY_STR(meta->filename)) vlc_meta_AddExtra(p_meta, "Filename", meta->filename);
434 if (!EMPTY_STR(meta->di_alternative)) vlc_meta_AddExtra(p_meta, "Alternative", meta->di_alternative);
436 // if (meta->di_set_number > 0) vlc_meta_SetTrackNum(p_meta, meta->di_set_number);
437 // if (meta->di_num_sets > 0) vlc_meta_AddExtra(p_meta, "Discs numbers in Set", meta->di_num_sets);
439 if (meta->thumb_count > 0 && meta->thumbnails) {
440 vlc_meta_SetArtURL(p_meta, meta->thumbnails[0].path);
446 case DEMUX_CAN_RECORD:
448 case DEMUX_SET_GROUP:
449 case DEMUX_HAS_UNSUPPORTED_META:
450 case DEMUX_GET_ATTACHMENTS:
453 msg_Warn( p_demux, "unimplemented query (%d) in control", query );
459 static void blurayHandleEvent( demux_t *p_demux, const BD_EVENT *e )
461 demux_sys_t *p_sys = p_demux->p_sys;
466 if (e->param < p_sys->i_title)
467 blurayUpdateTitle( p_demux, e->param );
469 case BD_EVENT_PLAYITEM:
471 case BD_EVENT_AUDIO_STREAM:
473 case BD_EVENT_CHAPTER:
474 p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
475 p_demux->info.i_seekpoint = 0;
478 case BD_EVENT_IG_STREAM:
480 msg_Warn( p_demux, "event: %d param: %d", e->event, e->param );
485 static void blurayHandleEvents( demux_t *p_demux )
489 while (bd_get_event(p_demux->p_sys->bluray, &e))
491 blurayHandleEvent(p_demux, &e);
495 #define BD_TS_PACKET_SIZE (192)
496 #define NB_TS_PACKETS (200)
498 static int blurayDemux(demux_t *p_demux)
500 demux_sys_t *p_sys = p_demux->p_sys;
502 block_t *p_block = block_New(p_demux, NB_TS_PACKETS * (int64_t)BD_TS_PACKET_SIZE);
507 blurayHandleEvents(p_demux);
508 int nread = bd_read(p_sys->bluray, p_block->p_buffer,
509 NB_TS_PACKETS * BD_TS_PACKET_SIZE);
511 block_Release(p_block);
515 p_block->i_buffer = nread;
517 stream_DemuxSend( p_sys->p_parser, p_block );