1 /*****************************************************************************
2 * media.c: Libvlc API media descripor management
3 *****************************************************************************
4 * Copyright (C) 2007 VLC authors and VideoLAN
6 * Authors: Pierre d'Herbemont <pdherbemont@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 *****************************************************************************/
30 #include <vlc/libvlc.h>
31 #include <vlc/libvlc_picture.h>
32 #include <vlc/libvlc_media.h>
33 #include <vlc/libvlc_media_list.h> // For the subitems, here for convenience
34 #include <vlc/libvlc_events.h>
36 #include <vlc_common.h>
39 #include <vlc_thumbnailer.h>
41 #include "../src/libvlc.h"
43 #include "libvlc_internal.h"
44 #include "media_internal.h"
45 #include "media_list_internal.h"
46 #include "picture_internal.h"
48 static const vlc_meta_type_t libvlc_to_vlc_meta
[] =
50 [libvlc_meta_Title
] = vlc_meta_Title
,
51 [libvlc_meta_Artist
] = vlc_meta_Artist
,
52 [libvlc_meta_Genre
] = vlc_meta_Genre
,
53 [libvlc_meta_Copyright
] = vlc_meta_Copyright
,
54 [libvlc_meta_Album
] = vlc_meta_Album
,
55 [libvlc_meta_TrackNumber
] = vlc_meta_TrackNumber
,
56 [libvlc_meta_Description
] = vlc_meta_Description
,
57 [libvlc_meta_Rating
] = vlc_meta_Rating
,
58 [libvlc_meta_Date
] = vlc_meta_Date
,
59 [libvlc_meta_Setting
] = vlc_meta_Setting
,
60 [libvlc_meta_URL
] = vlc_meta_URL
,
61 [libvlc_meta_Language
] = vlc_meta_Language
,
62 [libvlc_meta_NowPlaying
] = vlc_meta_NowPlaying
,
63 [libvlc_meta_Publisher
] = vlc_meta_Publisher
,
64 [libvlc_meta_EncodedBy
] = vlc_meta_EncodedBy
,
65 [libvlc_meta_ArtworkURL
] = vlc_meta_ArtworkURL
,
66 [libvlc_meta_TrackID
] = vlc_meta_TrackID
,
67 [libvlc_meta_TrackTotal
] = vlc_meta_TrackTotal
,
68 [libvlc_meta_Director
] = vlc_meta_Director
,
69 [libvlc_meta_Season
] = vlc_meta_Season
,
70 [libvlc_meta_Episode
] = vlc_meta_Episode
,
71 [libvlc_meta_ShowName
] = vlc_meta_ShowName
,
72 [libvlc_meta_Actors
] = vlc_meta_Actors
,
73 [libvlc_meta_AlbumArtist
] = vlc_meta_AlbumArtist
,
74 [libvlc_meta_DiscNumber
] = vlc_meta_DiscNumber
,
75 [libvlc_meta_DiscTotal
] = vlc_meta_DiscTotal
78 static const libvlc_meta_t vlc_to_libvlc_meta
[] =
80 [vlc_meta_Title
] = libvlc_meta_Title
,
81 [vlc_meta_Artist
] = libvlc_meta_Artist
,
82 [vlc_meta_Genre
] = libvlc_meta_Genre
,
83 [vlc_meta_Copyright
] = libvlc_meta_Copyright
,
84 [vlc_meta_Album
] = libvlc_meta_Album
,
85 [vlc_meta_TrackNumber
] = libvlc_meta_TrackNumber
,
86 [vlc_meta_Description
] = libvlc_meta_Description
,
87 [vlc_meta_Rating
] = libvlc_meta_Rating
,
88 [vlc_meta_Date
] = libvlc_meta_Date
,
89 [vlc_meta_Setting
] = libvlc_meta_Setting
,
90 [vlc_meta_URL
] = libvlc_meta_URL
,
91 [vlc_meta_Language
] = libvlc_meta_Language
,
92 [vlc_meta_NowPlaying
] = libvlc_meta_NowPlaying
,
93 [vlc_meta_ESNowPlaying
] = libvlc_meta_NowPlaying
,
94 [vlc_meta_Publisher
] = libvlc_meta_Publisher
,
95 [vlc_meta_EncodedBy
] = libvlc_meta_EncodedBy
,
96 [vlc_meta_ArtworkURL
] = libvlc_meta_ArtworkURL
,
97 [vlc_meta_TrackID
] = libvlc_meta_TrackID
,
98 [vlc_meta_TrackTotal
] = libvlc_meta_TrackTotal
,
99 [vlc_meta_Director
] = libvlc_meta_Director
,
100 [vlc_meta_Season
] = libvlc_meta_Season
,
101 [vlc_meta_Episode
] = libvlc_meta_Episode
,
102 [vlc_meta_ShowName
] = libvlc_meta_ShowName
,
103 [vlc_meta_Actors
] = libvlc_meta_Actors
,
104 [vlc_meta_AlbumArtist
] = libvlc_meta_AlbumArtist
,
105 [vlc_meta_DiscNumber
] = libvlc_meta_DiscNumber
,
106 [vlc_meta_DiscTotal
] = libvlc_meta_DiscTotal
110 ORIENT_TOP_LEFT
== (int) libvlc_video_orient_top_left
&&
111 ORIENT_TOP_RIGHT
== (int) libvlc_video_orient_top_right
&&
112 ORIENT_BOTTOM_LEFT
== (int) libvlc_video_orient_bottom_left
&&
113 ORIENT_BOTTOM_RIGHT
== (int) libvlc_video_orient_bottom_right
&&
114 ORIENT_LEFT_TOP
== (int) libvlc_video_orient_left_top
&&
115 ORIENT_LEFT_BOTTOM
== (int) libvlc_video_orient_left_bottom
&&
116 ORIENT_RIGHT_TOP
== (int) libvlc_video_orient_right_top
&&
117 ORIENT_RIGHT_BOTTOM
== (int) libvlc_video_orient_right_bottom
,
118 "Mismatch between libvlc_video_orient_t and video_orientation_t" );
121 PROJECTION_MODE_RECTANGULAR
== (int) libvlc_video_projection_rectangular
&&
122 PROJECTION_MODE_EQUIRECTANGULAR
== (int) libvlc_video_projection_equirectangular
&&
123 PROJECTION_MODE_CUBEMAP_LAYOUT_STANDARD
== (int) libvlc_video_projection_cubemap_layout_standard
,
124 "Mismatch between libvlc_video_projection_t and video_projection_mode_t" );
127 MULTIVIEW_2D
== (int) libvlc_video_multiview_2d
&&
128 MULTIVIEW_STEREO_SBS
== (int) libvlc_video_multiview_stereo_sbs
&&
129 MULTIVIEW_STEREO_TB
== (int) libvlc_video_multiview_stereo_tb
&&
130 MULTIVIEW_STEREO_ROW
== (int) libvlc_video_multiview_stereo_row
&&
131 MULTIVIEW_STEREO_COL
== (int) libvlc_video_multiview_stereo_col
&&
132 MULTIVIEW_STEREO_FRAME
== (int) libvlc_video_multiview_stereo_frame
&&
133 MULTIVIEW_STEREO_CHECKERBOARD
== (int) libvlc_video_multiview_stereo_checkerboard
,
134 "Mismatch between libvlc_video_multiview_t and video_multiview_mode_t");
136 static libvlc_media_list_t
*media_get_subitems( libvlc_media_t
* p_md
,
139 libvlc_media_list_t
*p_subitems
= NULL
;
141 vlc_mutex_lock( &p_md
->subitems_lock
);
142 if( p_md
->p_subitems
== NULL
&& b_create
)
144 p_md
->p_subitems
= libvlc_media_list_new();
145 if( p_md
->p_subitems
!= NULL
)
147 p_md
->p_subitems
->b_read_only
= true;
148 p_md
->p_subitems
->p_internal_md
= p_md
;
151 p_subitems
= p_md
->p_subitems
;
152 vlc_mutex_unlock( &p_md
->subitems_lock
);
156 static libvlc_media_t
*input_item_add_subitem( libvlc_media_t
*p_md
,
159 libvlc_media_t
* p_md_child
;
160 libvlc_media_list_t
*p_subitems
;
161 libvlc_event_t event
;
163 p_md_child
= libvlc_media_new_from_input_item( p_md
->p_libvlc_instance
,
166 /* Add this to our media list */
167 p_subitems
= media_get_subitems( p_md
, true );
168 if( p_subitems
!= NULL
)
170 libvlc_media_list_lock( p_subitems
);
171 libvlc_media_list_internal_add_media( p_subitems
, p_md_child
);
172 libvlc_media_list_unlock( p_subitems
);
175 /* Construct the event */
176 event
.type
= libvlc_MediaSubItemAdded
;
177 event
.u
.media_subitem_added
.new_child
= p_md_child
;
180 libvlc_event_send( &p_md
->event_manager
, &event
);
186 struct vlc_list node
;
187 input_item_node_t
*item
;
188 libvlc_media_t
*media
;
191 static struct vlc_item_list
*
192 wrap_item_in_list( libvlc_media_t
*media
, input_item_node_t
*item
)
194 struct vlc_item_list
*node
= malloc( sizeof *node
);
202 static void input_item_add_subnode( libvlc_media_t
*md
,
203 input_item_node_t
*root
)
205 struct vlc_list list
;
206 vlc_list_init( &list
);
208 /* Retain the media because we don't want the search algorithm to release
209 * it when its subitems get parsed. */
210 libvlc_media_retain(md
);
212 struct vlc_item_list
*node_root
= wrap_item_in_list( md
, root
);
213 if( node_root
== NULL
)
215 libvlc_media_release(md
);
219 /* This is a depth-first search algorithm, so stash the root of the tree
220 * first, then stash its children and loop back on the last item in the
221 * list until the full subtree is parsed, and eventually the full tree is
223 vlc_list_append( &node_root
->node
, &list
);
225 while( !vlc_list_is_empty( &list
) )
227 /* Pop last item in the list. */
228 struct vlc_item_list
*node
=
229 vlc_list_last_entry_or_null( &list
, struct vlc_item_list
, node
);
230 vlc_list_remove(&node
->node
);
232 for( int i
= 0; i
< node
->item
->i_children
; i
++ )
234 input_item_node_t
*child
= node
->item
->pp_children
[i
];
236 /* The media will be released when its children will be added to
238 libvlc_media_t
*md_child
= input_item_add_subitem( node
->media
, child
->p_item
);
239 if( md_child
== NULL
)
242 struct vlc_item_list
*submedia
=
243 wrap_item_in_list( md_child
, child
);
244 if (submedia
== NULL
)
246 libvlc_media_release( md_child
);
250 /* Stash a request to parse this subtree. */
251 vlc_list_append( &submedia
->node
, &list
);
254 libvlc_media_release( node
->media
);
260 libvlc_printerr( "Not enough memory" );
262 struct vlc_item_list
*node
;
263 vlc_list_foreach( node
, &list
, node
)
265 if( node
->media
!= NULL
)
266 libvlc_media_release( node
->media
);
273 * input_item_subitemtree_added (Private) (vlc event Callback)
275 static void input_item_subtree_added(input_item_t
*item
,
276 input_item_node_t
*node
,
280 libvlc_media_t
* p_md
= user_data
;
281 libvlc_media_add_subtree(p_md
, node
);
284 void libvlc_media_add_subtree(libvlc_media_t
*p_md
, input_item_node_t
*node
)
286 input_item_add_subnode( p_md
, node
);
288 /* Construct the event */
289 libvlc_event_t event
;
290 event
.type
= libvlc_MediaSubItemTreeAdded
;
291 event
.u
.media_subitemtree_added
.item
= p_md
;
294 libvlc_event_send( &p_md
->event_manager
, &event
);
299 * input_item_meta_changed (Private) (vlc event Callback)
301 static void input_item_meta_changed( const vlc_event_t
*p_event
,
304 libvlc_media_t
* p_md
= user_data
;
305 libvlc_event_t event
;
307 /* Construct the event */
308 event
.type
= libvlc_MediaMetaChanged
;
309 event
.u
.media_meta_changed
.meta_type
=
310 vlc_to_libvlc_meta
[p_event
->u
.input_item_meta_changed
.meta_type
];
313 libvlc_event_send( &p_md
->event_manager
, &event
);
318 * input_item_duration_changed (Private) (vlc event Callback)
320 static void input_item_duration_changed( const vlc_event_t
*p_event
,
323 libvlc_media_t
* p_md
= user_data
;
324 libvlc_event_t event
;
326 /* Construct the event */
327 event
.type
= libvlc_MediaDurationChanged
;
328 event
.u
.media_duration_changed
.new_duration
=
329 from_mtime(p_event
->u
.input_item_duration_changed
.new_duration
);
332 libvlc_event_send( &p_md
->event_manager
, &event
);
335 static void send_parsed_changed( libvlc_media_t
*p_md
,
336 libvlc_media_parsed_status_t new_status
)
338 libvlc_event_t event
;
340 vlc_mutex_lock( &p_md
->parsed_lock
);
341 if( p_md
->parsed_status
== new_status
)
343 vlc_mutex_unlock( &p_md
->parsed_lock
);
347 /* Legacy: notify libvlc_media_parse */
348 if( !p_md
->is_parsed
)
350 p_md
->is_parsed
= true;
351 vlc_cond_broadcast( &p_md
->parsed_cond
);
354 p_md
->parsed_status
= new_status
;
355 if( p_md
->parsed_status
!= libvlc_media_parsed_status_done
)
356 p_md
->has_asked_preparse
= false;
358 vlc_mutex_unlock( &p_md
->parsed_lock
);
360 if( new_status
== libvlc_media_parsed_status_done
)
362 libvlc_media_list_t
*p_subitems
= media_get_subitems( p_md
, false );
363 if( p_subitems
!= NULL
)
365 /* notify the media list */
366 libvlc_media_list_lock( p_subitems
);
367 libvlc_media_list_internal_end_reached( p_subitems
);
368 libvlc_media_list_unlock( p_subitems
);
372 /* Construct the event */
373 event
.type
= libvlc_MediaParsedChanged
;
374 event
.u
.media_parsed_changed
.new_status
= new_status
;
377 libvlc_event_send( &p_md
->event_manager
, &event
);
382 * input_item_preparse_ended (Private) (vlc event Callback)
384 static void input_item_preparse_ended(input_item_t
*item
,
385 enum input_item_preparse_status status
,
389 libvlc_media_t
* p_md
= user_data
;
390 libvlc_media_parsed_status_t new_status
;
394 case ITEM_PREPARSE_SKIPPED
:
395 new_status
= libvlc_media_parsed_status_skipped
;
397 case ITEM_PREPARSE_FAILED
:
398 new_status
= libvlc_media_parsed_status_failed
;
400 case ITEM_PREPARSE_TIMEOUT
:
401 new_status
= libvlc_media_parsed_status_timeout
;
403 case ITEM_PREPARSE_DONE
:
404 new_status
= libvlc_media_parsed_status_done
;
409 send_parsed_changed( p_md
, new_status
);
414 * Install event handler (Private)
416 static void install_input_item_observer( libvlc_media_t
*p_md
)
418 vlc_event_attach( &p_md
->p_input_item
->event_manager
,
419 vlc_InputItemMetaChanged
,
420 input_item_meta_changed
,
422 vlc_event_attach( &p_md
->p_input_item
->event_manager
,
423 vlc_InputItemDurationChanged
,
424 input_item_duration_changed
,
430 * Uninstall event handler (Private)
432 static void uninstall_input_item_observer( libvlc_media_t
*p_md
)
434 vlc_event_detach( &p_md
->p_input_item
->event_manager
,
435 vlc_InputItemMetaChanged
,
436 input_item_meta_changed
,
438 vlc_event_detach( &p_md
->p_input_item
->event_manager
,
439 vlc_InputItemDurationChanged
,
440 input_item_duration_changed
,
446 * Create a new media descriptor object from an input_item (Private)
448 * That's the generic constructor
450 libvlc_media_t
* libvlc_media_new_from_input_item(
451 libvlc_instance_t
*p_instance
,
452 input_item_t
*p_input_item
)
454 libvlc_media_t
* p_md
;
458 libvlc_printerr( "No input item given" );
462 p_md
= calloc( 1, sizeof(libvlc_media_t
) );
465 libvlc_printerr( "Not enough memory" );
469 p_md
->p_libvlc_instance
= p_instance
;
470 p_md
->p_input_item
= p_input_item
;
471 p_md
->i_refcount
= 1;
473 vlc_cond_init(&p_md
->parsed_cond
);
474 vlc_mutex_init(&p_md
->parsed_lock
);
475 vlc_mutex_init(&p_md
->subitems_lock
);
477 p_md
->state
= libvlc_NothingSpecial
;
479 /* A media descriptor can be a playlist. When you open a playlist
480 * It can give a bunch of item to read. */
481 p_md
->p_subitems
= NULL
;
482 p_md
->p_input_item
->libvlc_owner
= p_md
;
484 libvlc_event_manager_init( &p_md
->event_manager
, p_md
);
486 input_item_Hold( p_md
->p_input_item
);
488 install_input_item_observer( p_md
);
490 libvlc_retain( p_instance
);
494 // Create a media with a certain given media resource location
495 libvlc_media_t
*libvlc_media_new_location( libvlc_instance_t
*p_instance
,
496 const char * psz_mrl
)
498 input_item_t
* p_input_item
;
499 libvlc_media_t
* p_md
;
501 p_input_item
= input_item_New( psz_mrl
, NULL
);
505 libvlc_printerr( "Not enough memory" );
509 p_md
= libvlc_media_new_from_input_item( p_instance
, p_input_item
);
511 /* The p_input_item is retained in libvlc_media_new_from_input_item */
512 input_item_Release( p_input_item
);
517 // Create a media for a certain file path
518 libvlc_media_t
*libvlc_media_new_path( libvlc_instance_t
*p_instance
,
521 char *mrl
= vlc_path2uri( path
, NULL
);
522 if( unlikely(mrl
== NULL
) )
524 libvlc_printerr( "%s", vlc_strerror_c(errno
) );
528 libvlc_media_t
*m
= libvlc_media_new_location( p_instance
, mrl
);
533 // Create a media for an already open file descriptor
534 libvlc_media_t
*libvlc_media_new_fd( libvlc_instance_t
*p_instance
, int fd
)
537 snprintf( mrl
, sizeof(mrl
), "fd://%d", fd
);
539 return libvlc_media_new_location( p_instance
, mrl
);
542 // Create a media with custom callbacks to read the data from
543 libvlc_media_t
*libvlc_media_new_callbacks(libvlc_instance_t
*p_instance
,
544 libvlc_media_open_cb open_cb
,
545 libvlc_media_read_cb read_cb
,
546 libvlc_media_seek_cb seek_cb
,
547 libvlc_media_close_cb close_cb
,
550 libvlc_media_t
*m
= libvlc_media_new_location(p_instance
, "imem://");
551 if (unlikely(m
== NULL
))
554 assert(read_cb
!= NULL
);
555 input_item_AddOpaque(m
->p_input_item
, "imem-data", opaque
);
556 input_item_AddOpaque(m
->p_input_item
, "imem-open", open_cb
);
557 input_item_AddOpaque(m
->p_input_item
, "imem-read", read_cb
);
558 input_item_AddOpaque(m
->p_input_item
, "imem-seek", seek_cb
);
559 input_item_AddOpaque(m
->p_input_item
, "imem-close", close_cb
);
563 // Create a media as an empty node with a given name
564 libvlc_media_t
* libvlc_media_new_as_node( libvlc_instance_t
*p_instance
,
565 const char * psz_name
)
567 input_item_t
* p_input_item
;
568 libvlc_media_t
* p_md
;
569 libvlc_media_list_t
* p_subitems
;
571 p_input_item
= input_item_New( INPUT_ITEM_URI_NOP
, psz_name
);
575 libvlc_printerr( "Not enough memory" );
579 p_md
= libvlc_media_new_from_input_item( p_instance
, p_input_item
);
580 input_item_Release( p_input_item
);
582 p_subitems
= media_get_subitems( p_md
, true );
583 if( p_subitems
== NULL
) {
584 libvlc_media_release( p_md
);
591 // Add an option to the media descriptor
592 void libvlc_media_add_option( libvlc_media_t
* p_md
,
593 const char * psz_option
)
595 libvlc_media_add_option_flag( p_md
, psz_option
,
596 VLC_INPUT_OPTION_UNIQUE
|VLC_INPUT_OPTION_TRUSTED
);
599 // Same as libvlc_media_add_option but with configurable flags
600 void libvlc_media_add_option_flag( libvlc_media_t
* p_md
,
601 const char * ppsz_option
,
604 input_item_AddOption( p_md
->p_input_item
, ppsz_option
, i_flags
);
607 // Delete a media descriptor object
608 void libvlc_media_release( libvlc_media_t
*p_md
)
615 if( p_md
->i_refcount
> 0 )
618 uninstall_input_item_observer( p_md
);
620 /* Cancel asynchronous parsing (if any) */
621 libvlc_MetadataCancel( p_md
->p_libvlc_instance
->p_libvlc_int
, p_md
);
623 if( p_md
->p_subitems
)
624 libvlc_media_list_release( p_md
->p_subitems
);
626 input_item_Release( p_md
->p_input_item
);
628 /* Construct the event */
629 libvlc_event_t event
;
630 event
.type
= libvlc_MediaFreed
;
631 event
.u
.media_freed
.md
= p_md
;
634 libvlc_event_send( &p_md
->event_manager
, &event
);
636 libvlc_event_manager_destroy( &p_md
->event_manager
);
637 libvlc_release( p_md
->p_libvlc_instance
);
641 // Retain a media descriptor object
642 void libvlc_media_retain( libvlc_media_t
*p_md
)
648 // Duplicate a media descriptor object
650 libvlc_media_duplicate( libvlc_media_t
*p_md_orig
)
653 input_item_t
*dup
= input_item_Copy( p_md_orig
->p_input_item
);
656 return libvlc_media_new_from_input_item( p_md_orig
->p_libvlc_instance
, dup
);
659 // Get mrl from a media descriptor object
661 libvlc_media_get_mrl( libvlc_media_t
* p_md
)
664 return input_item_GetURI( p_md
->p_input_item
);
667 // Getter for meta information
668 char *libvlc_media_get_meta( libvlc_media_t
*p_md
, libvlc_meta_t e_meta
)
670 char *psz_meta
= NULL
;
672 if( e_meta
== libvlc_meta_NowPlaying
)
674 psz_meta
= input_item_GetNowPlayingFb( p_md
->p_input_item
);
678 psz_meta
= input_item_GetMeta( p_md
->p_input_item
,
679 libvlc_to_vlc_meta
[e_meta
] );
680 /* Should be integrated in core */
681 if( psz_meta
== NULL
&& e_meta
== libvlc_meta_Title
682 && p_md
->p_input_item
->psz_name
!= NULL
)
683 psz_meta
= strdup( p_md
->p_input_item
->psz_name
);
688 // Set the meta of the media
689 void libvlc_media_set_meta( libvlc_media_t
*p_md
, libvlc_meta_t e_meta
, const char *psz_value
)
692 input_item_SetMeta( p_md
->p_input_item
, libvlc_to_vlc_meta
[e_meta
], psz_value
);
695 // Save the meta previously set
696 int libvlc_media_save_meta( libvlc_media_t
*p_md
)
699 vlc_object_t
*p_obj
= VLC_OBJECT(p_md
->p_libvlc_instance
->p_libvlc_int
);
700 return input_item_WriteMeta( p_obj
, p_md
->p_input_item
) == VLC_SUCCESS
;
703 // Getter for state information
705 libvlc_media_get_state( libvlc_media_t
*p_md
)
711 // Setter for state information (LibVLC Internal)
713 libvlc_media_set_state( libvlc_media_t
*p_md
,
714 libvlc_state_t state
)
716 libvlc_event_t event
;
720 /* Construct the event */
721 event
.type
= libvlc_MediaStateChanged
;
722 event
.u
.media_state_changed
.new_state
= state
;
725 libvlc_event_send( &p_md
->event_manager
, &event
);
728 // Get subitems of media descriptor object.
729 libvlc_media_list_t
*
730 libvlc_media_subitems( libvlc_media_t
* p_md
)
732 libvlc_media_list_t
*p_subitems
= media_get_subitems( p_md
, true );
734 libvlc_media_list_retain( p_subitems
);
738 // Getter for statistics information
739 bool libvlc_media_get_stats(libvlc_media_t
*p_md
,
740 libvlc_media_stats_t
*p_stats
)
742 input_item_t
*item
= p_md
->p_input_item
;
744 if( !p_md
->p_input_item
)
747 vlc_mutex_lock( &item
->lock
);
749 input_stats_t
*p_itm_stats
= p_md
->p_input_item
->p_stats
;
750 if( p_itm_stats
== NULL
)
752 vlc_mutex_unlock( &item
->lock
);
756 p_stats
->i_read_bytes
= p_itm_stats
->i_read_bytes
;
757 p_stats
->f_input_bitrate
= p_itm_stats
->f_input_bitrate
;
759 p_stats
->i_demux_read_bytes
= p_itm_stats
->i_demux_read_bytes
;
760 p_stats
->f_demux_bitrate
= p_itm_stats
->f_demux_bitrate
;
761 p_stats
->i_demux_corrupted
= p_itm_stats
->i_demux_corrupted
;
762 p_stats
->i_demux_discontinuity
= p_itm_stats
->i_demux_discontinuity
;
764 p_stats
->i_decoded_video
= p_itm_stats
->i_decoded_video
;
765 p_stats
->i_decoded_audio
= p_itm_stats
->i_decoded_audio
;
767 p_stats
->i_displayed_pictures
= p_itm_stats
->i_displayed_pictures
;
768 p_stats
->i_late_pictures
= p_itm_stats
->i_late_pictures
;
769 p_stats
->i_lost_pictures
= p_itm_stats
->i_lost_pictures
;
771 p_stats
->i_played_abuffers
= p_itm_stats
->i_played_abuffers
;
772 p_stats
->i_lost_abuffers
= p_itm_stats
->i_lost_abuffers
;
774 vlc_mutex_unlock( &item
->lock
);
778 // Get event manager from a media descriptor object
779 libvlc_event_manager_t
*
780 libvlc_media_event_manager( libvlc_media_t
* p_md
)
784 return &p_md
->event_manager
;
787 // Get duration of media object (in ms)
789 libvlc_media_get_duration( libvlc_media_t
* p_md
)
793 if( !p_md
->p_input_item
)
795 libvlc_printerr( "No input item" );
799 if (!input_item_IsPreparsed( p_md
->p_input_item
))
802 return from_mtime(input_item_GetDuration( p_md
->p_input_item
));
805 static const input_preparser_callbacks_t input_preparser_callbacks
= {
806 .on_preparse_ended
= input_item_preparse_ended
,
807 .on_subtree_added
= input_item_subtree_added
,
810 static int media_parse(libvlc_media_t
*media
, bool b_async
,
811 libvlc_media_parse_flag_t parse_flag
, int timeout
)
815 vlc_mutex_lock(&media
->parsed_lock
);
816 needed
= !media
->has_asked_preparse
;
817 media
->has_asked_preparse
= true;
820 media
->is_parsed
= false;
821 media
->parsed_status
= 0;
823 vlc_mutex_unlock(&media
->parsed_lock
);
827 libvlc_int_t
*libvlc
= media
->p_libvlc_instance
->p_libvlc_int
;
828 input_item_t
*item
= media
->p_input_item
;
829 input_item_meta_request_option_t parse_scope
= META_REQUEST_OPTION_SCOPE_LOCAL
;
832 if (parse_flag
& libvlc_media_parse_network
)
833 parse_scope
|= META_REQUEST_OPTION_SCOPE_NETWORK
;
834 if (parse_flag
& libvlc_media_fetch_local
)
835 parse_scope
|= META_REQUEST_OPTION_FETCH_LOCAL
;
836 if (parse_flag
& libvlc_media_fetch_network
)
837 parse_scope
|= META_REQUEST_OPTION_FETCH_NETWORK
;
838 if (parse_flag
& libvlc_media_do_interact
)
839 parse_scope
|= META_REQUEST_OPTION_DO_INTERACT
;
841 ret
= libvlc_MetadataRequest(libvlc
, item
, parse_scope
,
842 &input_preparser_callbacks
, media
,
844 if (ret
!= VLC_SUCCESS
)
852 vlc_mutex_lock(&media
->parsed_lock
);
853 while (!media
->is_parsed
)
854 vlc_cond_wait(&media
->parsed_cond
, &media
->parsed_lock
);
855 vlc_mutex_unlock(&media
->parsed_lock
);
860 // Parse the media and wait
862 libvlc_media_parse(libvlc_media_t
*media
)
864 media_parse( media
, false, libvlc_media_fetch_local
, -1 );
867 // Parse the media but do not wait
869 libvlc_media_parse_async(libvlc_media_t
*media
)
871 media_parse( media
, true, libvlc_media_fetch_local
, -1 );
874 // Parse the media asynchronously with options
876 libvlc_media_parse_with_options( libvlc_media_t
*media
,
877 libvlc_media_parse_flag_t parse_flag
,
880 return media_parse( media
, true, parse_flag
, timeout
) == VLC_SUCCESS
? 0 : -1;
883 // Stop parsing of the media
885 libvlc_media_parse_stop( libvlc_media_t
*media
)
887 libvlc_MetadataCancel( media
->p_libvlc_instance
->p_libvlc_int
, media
);
890 // Get parsed status for media object (deprecated)
891 bool libvlc_media_is_parsed(libvlc_media_t
*media
)
895 vlc_mutex_lock(&media
->parsed_lock
);
896 parsed
= media
->is_parsed
;
897 vlc_mutex_unlock(&media
->parsed_lock
);
901 // Get Parsed status for media descriptor object
902 libvlc_media_parsed_status_t
903 libvlc_media_get_parsed_status(libvlc_media_t
*media
)
905 libvlc_media_parsed_status_t status
;
907 vlc_mutex_lock(&media
->parsed_lock
);
908 status
= media
->parsed_status
;
909 vlc_mutex_unlock(&media
->parsed_lock
);
913 // Sets media descriptor's user_data
915 libvlc_media_set_user_data( libvlc_media_t
* p_md
, void * p_new_user_data
)
918 p_md
->p_user_data
= p_new_user_data
;
921 // Get media descriptor's user_data
923 libvlc_media_get_user_data( libvlc_media_t
* p_md
)
926 return p_md
->p_user_data
;
929 // Get media descriptor's elementary streams description
931 libvlc_media_tracks_get( libvlc_media_t
*p_md
, libvlc_media_track_t
*** pp_es
)
935 input_item_t
*p_input_item
= p_md
->p_input_item
;
936 vlc_mutex_lock( &p_input_item
->lock
);
938 const int i_es
= p_input_item
->i_es
;
939 *pp_es
= (i_es
> 0) ? calloc( i_es
, sizeof(**pp_es
) ) : NULL
;
941 if( !*pp_es
) /* no ES, or OOM */
943 vlc_mutex_unlock( &p_input_item
->lock
);
948 for( int i
= 0; i
< i_es
; i
++ )
950 libvlc_media_trackpriv_t
*p_trackpriv
= calloc( 1, sizeof(*p_trackpriv
) );
953 libvlc_media_tracks_release( *pp_es
, i_es
);
955 vlc_mutex_unlock( &p_input_item
->lock
);
958 libvlc_media_track_t
*p_mes
= &p_trackpriv
->t
;
961 const es_format_t
*p_es
= p_input_item
->es
[i
];
963 libvlc_media_trackpriv_from_es( p_trackpriv
, p_es
);
966 vlc_mutex_unlock( &p_input_item
->lock
);
970 libvlc_media_tracklist_t
*
971 libvlc_media_get_tracklist( libvlc_media_t
*p_md
, libvlc_track_type_t type
)
975 input_item_t
*p_input_item
= p_md
->p_input_item
;
977 vlc_mutex_lock( &p_input_item
->lock
);
978 libvlc_media_tracklist_t
*list
=
979 libvlc_media_tracklist_from_es_array( p_input_item
->es
,
980 p_input_item
->i_es
, type
);
981 vlc_mutex_unlock( &p_input_item
->lock
);
986 // Get codec description from media elementary stream
988 libvlc_media_get_codec_description( libvlc_track_type_t i_type
,
991 return vlc_fourcc_GetDescription( libvlc_track_type_to_escat( i_type
),
995 // Release media descriptor's elementary streams description array
996 void libvlc_media_tracks_release( libvlc_media_track_t
**p_tracks
, unsigned i_count
)
998 for( unsigned i
= 0; i
< i_count
; ++i
)
1002 libvlc_media_track_clean( p_tracks
[i
] );
1003 free( p_tracks
[i
] );
1008 // Get the media type of the media descriptor object
1009 libvlc_media_type_t
libvlc_media_get_type( libvlc_media_t
*p_md
)
1013 enum input_item_type_e i_type
;
1014 input_item_t
*p_input_item
= p_md
->p_input_item
;
1016 vlc_mutex_lock( &p_input_item
->lock
);
1017 i_type
= p_md
->p_input_item
->i_type
;
1018 vlc_mutex_unlock( &p_input_item
->lock
);
1022 case ITEM_TYPE_FILE
:
1023 return libvlc_media_type_file
;
1024 case ITEM_TYPE_NODE
:
1025 case ITEM_TYPE_DIRECTORY
:
1026 return libvlc_media_type_directory
;
1027 case ITEM_TYPE_DISC
:
1028 return libvlc_media_type_disc
;
1029 case ITEM_TYPE_STREAM
:
1030 return libvlc_media_type_stream
;
1031 case ITEM_TYPE_PLAYLIST
:
1032 return libvlc_media_type_playlist
;
1034 return libvlc_media_type_unknown
;
1038 struct libvlc_media_thumbnail_request_t
1042 unsigned int height
;
1044 libvlc_picture_type_t type
;
1045 vlc_thumbnailer_request_t
* req
;
1048 static void media_on_thumbnail_ready( void* data
, picture_t
* thumbnail
)
1050 libvlc_media_thumbnail_request_t
*req
= data
;
1051 libvlc_media_t
*p_media
= req
->md
;
1052 libvlc_event_t event
;
1053 event
.type
= libvlc_MediaThumbnailGenerated
;
1054 libvlc_picture_t
* pic
= NULL
;
1055 if ( thumbnail
!= NULL
)
1056 pic
= libvlc_picture_new( VLC_OBJECT(p_media
->p_libvlc_instance
->p_libvlc_int
),
1057 thumbnail
, req
->type
, req
->width
, req
->height
,
1059 event
.u
.media_thumbnail_generated
.p_thumbnail
= pic
;
1060 libvlc_event_send( &p_media
->event_manager
, &event
);
1062 libvlc_picture_release( pic
);
1065 // Start an asynchronous thumbnail generation
1066 libvlc_media_thumbnail_request_t
*
1067 libvlc_media_thumbnail_request_by_time( libvlc_media_t
*md
, libvlc_time_t time
,
1068 libvlc_thumbnailer_seek_speed_t speed
,
1069 unsigned int width
, unsigned int height
,
1070 bool crop
, libvlc_picture_type_t picture_type
,
1071 libvlc_time_t timeout
)
1074 libvlc_priv_t
*p_priv
= libvlc_priv(md
->p_libvlc_instance
->p_libvlc_int
);
1075 if( unlikely( p_priv
->p_thumbnailer
== NULL
) )
1077 libvlc_media_thumbnail_request_t
*req
= malloc( sizeof( *req
) );
1078 if ( unlikely( req
== NULL
) )
1083 req
->height
= height
;
1084 req
->type
= picture_type
;
1086 libvlc_media_retain( md
);
1087 req
->req
= vlc_thumbnailer_RequestByTime( p_priv
->p_thumbnailer
,
1088 VLC_TICK_FROM_MS( time
),
1089 speed
== libvlc_media_thumbnail_seek_fast
?
1090 VLC_THUMBNAILER_SEEK_FAST
: VLC_THUMBNAILER_SEEK_PRECISE
,
1092 timeout
> 0 ? VLC_TICK_FROM_MS( timeout
) : VLC_TICK_INVALID
,
1093 media_on_thumbnail_ready
, req
);
1094 if ( req
->req
== NULL
)
1097 libvlc_media_release( md
);
1103 // Start an asynchronous thumbnail generation
1104 libvlc_media_thumbnail_request_t
*
1105 libvlc_media_thumbnail_request_by_pos( libvlc_media_t
*md
, float pos
,
1106 libvlc_thumbnailer_seek_speed_t speed
,
1107 unsigned int width
, unsigned int height
,
1108 bool crop
, libvlc_picture_type_t picture_type
,
1109 libvlc_time_t timeout
)
1112 libvlc_priv_t
*priv
= libvlc_priv(md
->p_libvlc_instance
->p_libvlc_int
);
1113 if( unlikely( priv
->p_thumbnailer
== NULL
) )
1115 libvlc_media_thumbnail_request_t
*req
= malloc( sizeof( *req
) );
1116 if ( unlikely( req
== NULL
) )
1121 req
->height
= height
;
1123 req
->type
= picture_type
;
1124 libvlc_media_retain( md
);
1125 req
->req
= vlc_thumbnailer_RequestByPos( priv
->p_thumbnailer
, pos
,
1126 speed
== libvlc_media_thumbnail_seek_fast
?
1127 VLC_THUMBNAILER_SEEK_FAST
: VLC_THUMBNAILER_SEEK_PRECISE
,
1129 timeout
> 0 ? VLC_TICK_FROM_MS( timeout
) : VLC_TICK_INVALID
,
1130 media_on_thumbnail_ready
, req
);
1131 if ( req
->req
== NULL
)
1134 libvlc_media_release( md
);
1140 // Cancel a thumbnail request
1141 void libvlc_media_thumbnail_request_cancel( libvlc_media_thumbnail_request_t
*req
)
1143 libvlc_priv_t
*p_priv
= libvlc_priv(req
->md
->p_libvlc_instance
->p_libvlc_int
);
1144 assert( p_priv
->p_thumbnailer
!= NULL
);
1145 vlc_thumbnailer_Cancel( p_priv
->p_thumbnailer
, req
->req
);
1148 // Destroy a thumbnail request
1149 void libvlc_media_thumbnail_request_destroy( libvlc_media_thumbnail_request_t
*req
)
1151 libvlc_media_release( req
->md
);
1155 // Add a slave to the media descriptor
1156 int libvlc_media_slaves_add( libvlc_media_t
*p_md
,
1157 libvlc_media_slave_type_t i_type
,
1158 unsigned int i_priority
,
1159 const char *psz_uri
)
1161 assert( p_md
&& psz_uri
);
1162 input_item_t
*p_input_item
= p_md
->p_input_item
;
1164 enum slave_type i_input_slave_type
;
1167 case libvlc_media_slave_type_subtitle
:
1168 i_input_slave_type
= SLAVE_TYPE_SPU
;
1170 case libvlc_media_slave_type_audio
:
1171 i_input_slave_type
= SLAVE_TYPE_AUDIO
;
1174 vlc_assert_unreachable();
1178 enum slave_priority i_input_slave_priority
;
1179 switch( i_priority
)
1182 i_input_slave_priority
= SLAVE_PRIORITY_MATCH_NONE
;
1185 i_input_slave_priority
= SLAVE_PRIORITY_MATCH_RIGHT
;
1188 i_input_slave_priority
= SLAVE_PRIORITY_MATCH_LEFT
;
1191 i_input_slave_priority
= SLAVE_PRIORITY_MATCH_ALL
;
1195 i_input_slave_priority
= SLAVE_PRIORITY_USER
;
1199 input_item_slave_t
*p_slave
= input_item_slave_New( psz_uri
,
1201 i_input_slave_priority
);
1202 if( p_slave
== NULL
)
1204 return input_item_AddSlave( p_input_item
, p_slave
) == VLC_SUCCESS
? 0 : -1;
1207 // Clear all slaves of the media descriptor
1208 void libvlc_media_slaves_clear( libvlc_media_t
*p_md
)
1211 input_item_t
*p_input_item
= p_md
->p_input_item
;
1213 vlc_mutex_lock( &p_input_item
->lock
);
1214 for( int i
= 0; i
< p_input_item
->i_slaves
; i
++ )
1215 input_item_slave_Delete( p_input_item
->pp_slaves
[i
] );
1216 TAB_CLEAN( p_input_item
->i_slaves
, p_input_item
->pp_slaves
);
1217 vlc_mutex_unlock( &p_input_item
->lock
);
1220 // Get a media descriptor's slave list
1221 unsigned int libvlc_media_slaves_get( libvlc_media_t
*p_md
,
1222 libvlc_media_slave_t
***ppp_slaves
)
1224 assert( p_md
&& ppp_slaves
);
1225 input_item_t
*p_input_item
= p_md
->p_input_item
;
1228 vlc_mutex_lock( &p_input_item
->lock
);
1230 int i_count
= p_input_item
->i_slaves
;
1232 return vlc_mutex_unlock( &p_input_item
->lock
), 0;
1234 libvlc_media_slave_t
**pp_slaves
= calloc( i_count
, sizeof(*pp_slaves
) );
1235 if( pp_slaves
== NULL
)
1236 return vlc_mutex_unlock( &p_input_item
->lock
), 0;
1238 for( int i
= 0; i
< i_count
; ++i
)
1240 input_item_slave_t
*p_item_slave
= p_input_item
->pp_slaves
[i
];
1241 assert( p_item_slave
->i_priority
>= SLAVE_PRIORITY_MATCH_NONE
);
1243 /* also allocate psz_uri buffer at the end of the struct */
1244 libvlc_media_slave_t
*p_slave
= malloc( sizeof(*p_slave
) +
1245 strlen( p_item_slave
->psz_uri
)
1247 if( p_slave
== NULL
)
1249 libvlc_media_slaves_release(pp_slaves
, i
);
1250 return vlc_mutex_unlock( &p_input_item
->lock
), 0;
1252 p_slave
->psz_uri
= (char *) ((uint8_t *)p_slave
) + sizeof(*p_slave
);
1253 strcpy( p_slave
->psz_uri
, p_item_slave
->psz_uri
);
1255 switch( p_item_slave
->i_type
)
1257 case SLAVE_TYPE_SPU
:
1258 p_slave
->i_type
= libvlc_media_slave_type_subtitle
;
1260 case SLAVE_TYPE_AUDIO
:
1261 p_slave
->i_type
= libvlc_media_slave_type_audio
;
1264 vlc_assert_unreachable();
1267 switch( p_item_slave
->i_priority
)
1269 case SLAVE_PRIORITY_MATCH_NONE
:
1270 p_slave
->i_priority
= 0;
1272 case SLAVE_PRIORITY_MATCH_RIGHT
:
1273 p_slave
->i_priority
= 1;
1275 case SLAVE_PRIORITY_MATCH_LEFT
:
1276 p_slave
->i_priority
= 2;
1278 case SLAVE_PRIORITY_MATCH_ALL
:
1279 p_slave
->i_priority
= 3;
1281 case SLAVE_PRIORITY_USER
:
1282 p_slave
->i_priority
= 4;
1285 vlc_assert_unreachable();
1287 pp_slaves
[i
] = p_slave
;
1289 vlc_mutex_unlock( &p_input_item
->lock
);
1291 *ppp_slaves
= pp_slaves
;
1295 // Release a media descriptor's slave list
1296 void libvlc_media_slaves_release( libvlc_media_slave_t
**pp_slaves
,
1297 unsigned int i_count
)
1301 assert( pp_slaves
);
1302 for( unsigned int i
= 0; i
< i_count
; ++i
)
1303 free( pp_slaves
[i
] );