1 /*****************************************************************************
2 * audioscrobbler.c : audioscrobbler submission plugin
3 *****************************************************************************
4 * Copyright © 2006-2008 the VideoLAN team
7 * Author: Rafaël Carré <funman at videolanorg>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /* audioscrobbler protocol version: 1.2
25 * http://www.audioscrobbler.net/development/protocol/
27 * TODO: "Now Playing" feature (not mandatory)
29 /*****************************************************************************
31 *****************************************************************************/
41 #include <vlc_common.h>
42 #include <vlc_plugin.h>
43 #include <vlc_interface.h>
46 #include <vlc_block.h>
47 #include <vlc_stream.h>
49 #include <vlc_network.h>
50 #include <vlc_interface.h>
51 #include <vlc_playlist.h>
53 /*****************************************************************************
55 *****************************************************************************/
59 /* Keeps track of metadata to be submitted */
60 typedef struct audioscrobbler_song_t
62 char *psz_a; /**< track artist */
63 char *psz_t; /**< track title */
64 char *psz_b; /**< track album */
65 char *psz_n; /**< track number */
66 int i_l; /**< track length */
67 char *psz_m; /**< musicbrainz id */
68 time_t date; /**< date since epoch */
69 mtime_t i_start; /**< playing start */
70 } audioscrobbler_song_t;
74 audioscrobbler_song_t p_queue[QUEUE_MAX]; /**< songs not submitted yet*/
75 int i_songs; /**< number of songs */
77 vlc_mutex_t lock; /**< p_sys mutex */
79 /* data about audioscrobbler session */
80 mtime_t next_exchange; /**< when can we send data */
81 unsigned int i_interval; /**< waiting interval (secs)*/
83 /* submission of played songs */
84 char *psz_submit_host; /**< where to submit data */
85 int i_submit_port; /**< port to which submit */
86 char *psz_submit_file; /**< file to which submit */
88 /* submission of playing song */
90 char *psz_nowp_host; /**< where to submit data */
91 int i_nowp_port; /**< port to which submit */
92 char *psz_nowp_file; /**< file to which submit */
94 bool b_handshaked; /**< are we authenticated ? */
95 char psz_auth_token[33]; /**< Authentication token */
97 /* data about song currently playing */
98 audioscrobbler_song_t p_current_song; /**< song being played */
100 mtime_t time_pause; /**< time when vlc paused */
101 mtime_t time_total_pauses; /**< total time in pause */
103 bool b_submit; /**< do we have to submit ? */
105 bool b_state_cb; /**< if we registered the
106 * "state" callback */
108 bool b_meta_read; /**< if we read the song's
109 * metadata already */
112 static int Open ( vlc_object_t * );
113 static void Close ( vlc_object_t * );
114 static void Run ( intf_thread_t * );
116 static int ItemChange ( vlc_object_t *, const char *, vlc_value_t,
117 vlc_value_t, void * );
118 static int PlayingChange ( vlc_object_t *, const char *, vlc_value_t,
119 vlc_value_t, void * );
121 static void AddToQueue ( intf_thread_t * );
122 static int Handshake ( intf_thread_t * );
123 static int ReadMetaData ( intf_thread_t * );
124 static void DeleteSong ( audioscrobbler_song_t* );
125 static int ParseURL ( char *, char **, char **, int * );
126 static void HandleInterval ( mtime_t *, unsigned int * );
128 /*****************************************************************************
130 ****************************************************************************/
132 #define USERNAME_TEXT N_("Username")
133 #define USERNAME_LONGTEXT N_("The username of your last.fm account")
134 #define PASSWORD_TEXT N_("Password")
135 #define PASSWORD_LONGTEXT N_("The password of your last.fm account")
137 /* This error value is used when last.fm plugin has to be unloaded. */
138 #define VLC_AUDIOSCROBBLER_EFATAL -69
140 /* last.fm client identifier */
141 #define CLIENT_NAME PACKAGE
142 #define CLIENT_VERSION VERSION
144 /* HTTP POST request : to submit data */
145 #define POST_REQUEST "POST /%s HTTP/1.1\n" \
146 "Accept-Encoding: identity\n" \
147 "Content-length: %u\n" \
148 "Connection: close\n" \
149 "Content-type: application/x-www-form-urlencoded\n" \
151 "User-agent: VLC Media Player/%s\r\n" \
157 set_category( CAT_INTERFACE );
158 set_subcategory( SUBCAT_INTERFACE_CONTROL );
159 set_shortname( N_( "Audioscrobbler" ) );
160 set_description( N_("Submission of played songs to last.fm") );
161 add_string( "lastfm-username", "", NULL,
162 USERNAME_TEXT, USERNAME_LONGTEXT, false );
163 add_password( "lastfm-password", "", NULL,
164 PASSWORD_TEXT, PASSWORD_LONGTEXT, false );
165 set_capability( "interface", 0 );
166 set_callbacks( Open, Close );
169 /*****************************************************************************
170 * Open: initialize and create stuff
171 *****************************************************************************/
172 static int Open( vlc_object_t *p_this )
174 playlist_t *p_playlist;
175 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
176 intf_sys_t *p_sys = calloc( 1, sizeof( intf_sys_t ) );
181 p_intf->p_sys = p_sys;
183 vlc_mutex_init( &p_sys->lock );
185 p_playlist = pl_Yield( p_intf );
187 var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
189 pl_Release( p_intf );
191 p_intf->pf_run = Run;
196 /*****************************************************************************
197 * Close: destroy interface stuff
198 *****************************************************************************/
199 static void Close( vlc_object_t *p_this )
201 playlist_t *p_playlist;
202 input_thread_t *p_input;
203 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
204 intf_sys_t *p_sys = p_intf->p_sys;
206 p_playlist = pl_Yield( p_intf );
211 var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
213 p_input = p_playlist->p_input;
216 vlc_object_yield( p_input );
218 if( p_sys->b_state_cb )
219 var_DelCallback( p_input, "state", PlayingChange, p_intf );
221 vlc_object_release( p_input );
225 pl_Release( p_intf );
228 p_intf->b_dead = true;
229 /* we lock the mutex in case p_sys is being accessed from a callback */
230 vlc_mutex_lock ( &p_sys->lock );
232 for( i = 0; i < p_sys->i_songs; i++ )
233 DeleteSong( &p_sys->p_queue[i] );
234 free( p_sys->psz_submit_host );
235 free( p_sys->psz_submit_file );
237 free( p_sys->psz_nowp_host );
238 free( p_sys->psz_nowp_file );
240 vlc_mutex_unlock ( &p_sys->lock );
241 vlc_mutex_destroy( &p_sys->lock );
246 /*****************************************************************************
247 * Run : call Handshake() then submit songs
248 *****************************************************************************/
249 static void Run( intf_thread_t *p_intf )
251 char *psz_submit, *psz_submit_song, *psz_submit_tmp;
254 uint8_t p_buffer[1024];
257 int canc = vlc_savecancel();
259 intf_sys_t *p_sys = p_intf->p_sys;
266 vlc_restorecancel( canc );
267 vlc_object_lock( p_intf );
268 vlc_cleanup_push( __vlc_object_unlock, p_intf );
270 if( mdate() < p_sys->next_exchange )
271 /* wait until we can resubmit, i.e. */
272 b_wait = vlc_object_timedwait( p_intf, p_sys->next_exchange ) == 0;
274 /* wait for data to submit */
275 /* we are signaled each time there is a song to submit */
276 vlc_object_wait( p_intf );
278 canc = vlc_savecancel();
281 continue; /* holding on until next_exchange */
283 /* handshake if needed */
284 if( p_sys->b_handshaked == false )
286 msg_Dbg( p_intf, "Handshaking with last.fm ..." );
288 switch( Handshake( p_intf ) )
294 /* username not set */
295 intf_UserFatal( p_intf, false,
296 _("Last.fm username not set"),
297 _("Please set a username or disable the "
298 "audioscrobbler plugin, and restart VLC.\n"
299 "Visit http://www.last.fm/join/ to get an account.")
304 msg_Dbg( p_intf, "Handshake successfull :)" );
305 p_sys->b_handshaked = true;
306 p_sys->i_interval = 0;
307 p_sys->next_exchange = mdate();
310 case VLC_AUDIOSCROBBLER_EFATAL:
311 msg_Warn( p_intf, "Exiting..." );
316 /* protocol error : we'll try later */
317 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
320 /* if handshake failed let's restart the loop */
321 if( p_sys->b_handshaked == false )
325 msg_Dbg( p_intf, "Going to submit some data..." );
327 /* The session may be invalid if there is a trailing \n */
328 char *psz_ln = strrchr( p_sys->psz_auth_token, '\n' );
332 if( !asprintf( &psz_submit, "s=%s", p_sys->psz_auth_token ) )
333 { /* Out of memory */
337 /* forge the HTTP POST request */
338 vlc_mutex_lock( &p_sys->lock );
339 audioscrobbler_song_t *p_song;
340 for( i_song = 0 ; i_song < p_sys->i_songs ; i_song++ )
342 p_song = &p_sys->p_queue[i_song];
343 if( !asprintf( &psz_submit_song,
353 i_song, p_song->psz_a,
354 i_song, p_song->psz_t,
355 i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */
359 i_song, p_song->psz_b,
360 i_song, p_song->psz_n,
361 i_song, p_song->psz_m
363 { /* Out of memory */
364 vlc_mutex_unlock( &p_sys->lock );
367 psz_submit_tmp = psz_submit;
368 if( !asprintf( &psz_submit, "%s%s",
369 psz_submit_tmp, psz_submit_song ) )
370 { /* Out of memory */
371 free( psz_submit_tmp );
372 free( psz_submit_song );
373 vlc_mutex_unlock( &p_sys->lock );
376 free( psz_submit_song );
377 free( psz_submit_tmp );
379 vlc_mutex_unlock( &p_sys->lock );
381 i_post_socket = net_ConnectTCP( p_intf,
382 p_sys->psz_submit_host, p_sys->i_submit_port );
384 if ( i_post_socket == -1 )
386 /* If connection fails, we assume we must handshake again */
387 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
388 p_sys->b_handshaked = false;
393 /* we transmit the data */
394 i_net_ret = net_Printf(
395 VLC_OBJECT( p_intf ), i_post_socket, NULL,
396 POST_REQUEST, p_sys->psz_submit_file,
397 (unsigned)strlen( psz_submit ), p_sys->psz_submit_file,
402 if ( i_net_ret == -1 )
404 /* If connection fails, we assume we must handshake again */
405 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
406 p_sys->b_handshaked = false;
410 i_net_ret = net_Read( p_intf, i_post_socket, NULL,
411 p_buffer, 1023, false );
412 if ( i_net_ret <= 0 )
414 /* if we get no answer, something went wrong : try again */
418 net_Close( i_post_socket );
419 p_buffer[i_net_ret] = '\0';
421 p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
424 msg_Warn( p_intf, "%s", p_buffer_pos );
425 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
429 p_buffer_pos = strstr( ( char * ) p_buffer, "BADSESSION" );
432 msg_Err( p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?" );
433 p_sys->b_handshaked = false;
434 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
438 p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
442 for( i = 0; i < p_sys->i_songs; i++ )
443 DeleteSong( &p_sys->p_queue[i] );
445 p_sys->i_interval = 0;
446 p_sys->next_exchange = mdate();
447 msg_Dbg( p_intf, "Submission successful!" );
451 msg_Err( p_intf, "Authentication failed, handshaking again (%s)",
453 p_sys->b_handshaked = false;
454 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
458 vlc_restorecancel( canc );
461 /*****************************************************************************
462 * PlayingChange: Playing status change callback
463 *****************************************************************************/
464 static int PlayingChange( vlc_object_t *p_this, const char *psz_var,
465 vlc_value_t oldval, vlc_value_t newval, void *p_data )
467 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
468 intf_sys_t *p_sys = p_intf->p_sys;
470 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
475 if( p_sys->b_meta_read == false && newval.i_int >= PLAYING_S )
477 ReadMetaData( p_intf );
481 if( newval.i_int >= END_S )
482 AddToQueue( p_intf );
483 else if( oldval.i_int == PLAYING_S && newval.i_int == PAUSE_S )
484 p_sys->time_pause = mdate();
485 else if( oldval.i_int == PAUSE_S && newval.i_int == PLAYING_S )
486 p_sys->time_total_pauses += ( mdate() - p_sys->time_pause );
491 /*****************************************************************************
492 * ItemChange: Playlist item change callback
493 *****************************************************************************/
494 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
495 vlc_value_t oldval, vlc_value_t newval, void *p_data )
497 playlist_t *p_playlist;
498 input_thread_t *p_input;
499 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
500 intf_sys_t *p_sys = p_intf->p_sys;
501 input_item_t *p_item;
502 vlc_value_t video_val;
504 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
505 VLC_UNUSED( oldval ); VLC_UNUSED( newval );
510 p_sys->b_state_cb = false;
511 p_sys->b_meta_read = false;
512 p_sys->b_submit = false;
514 p_playlist = pl_Yield( p_intf );
516 p_input = p_playlist->p_input;
518 if( !p_input || p_input->b_dead )
521 pl_Release( p_intf );
525 vlc_object_yield( p_input );
527 pl_Release( p_intf );
529 p_item = input_GetItem( p_input );
532 vlc_object_release( p_input );
536 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
537 if( ( video_val.i_int > 0 ) || p_item->i_type == ITEM_TYPE_NET )
539 msg_Dbg( p_this, "Not an audio local file, not submitting");
540 vlc_object_release( p_input );
544 p_sys->time_total_pauses = 0;
545 time( &p_sys->p_current_song.date ); /* to be sent to last.fm */
546 p_sys->p_current_song.i_start = mdate(); /* only used locally */
548 var_AddCallback( p_input, "state", PlayingChange, p_intf );
549 p_sys->b_state_cb = true;
551 if( input_item_IsPreparsed( p_item ) )
552 ReadMetaData( p_intf );
553 /* if the input item was not preparsed, we'll do it in PlayingChange()
554 * callback, when "state" == PLAYING_S */
556 vlc_object_release( p_input );
560 /*****************************************************************************
561 * AddToQueue: Add the played song to the queue to be submitted
562 *****************************************************************************/
563 static void AddToQueue ( intf_thread_t *p_this )
566 intf_sys_t *p_sys = p_this->p_sys;
568 vlc_mutex_lock( &p_sys->lock );
569 if( !p_sys->b_submit )
572 /* wait for the user to listen enough before submitting */
573 played_time = mdate() - p_sys->p_current_song.i_start -
574 p_sys->time_total_pauses;
575 played_time /= 1000000; /* µs → s */
577 if( ( played_time < 60 ) &&
578 ( played_time < ( p_sys->p_current_song.i_l / 2 ) ) )
580 msg_Dbg( p_this, "Song not listened long enough, not submitting" );
584 if( p_sys->p_current_song.i_l < 30 )
586 if( played_time < 30 )
588 msg_Dbg( p_this, "Song too short (< 30s), not submitting" );
592 /* This is a HACK to avoid length = 0 (seems to be rejected by audioscrobbler) */
593 p_sys->p_current_song.i_l = played_time;
596 if( !p_sys->p_current_song.psz_a || !*p_sys->p_current_song.psz_a ||
597 !p_sys->p_current_song.psz_t || !*p_sys->p_current_song.psz_t )
599 msg_Dbg( p_this, "Missing artist or title, not submitting" );
600 /*XXX*/ msg_Dbg( p_this, "%s %s", p_sys->p_current_song.psz_a, p_sys->p_current_song.psz_t );
604 if( p_sys->i_songs >= QUEUE_MAX )
606 msg_Warn( p_this, "Submission queue is full, not submitting" );
610 msg_Dbg( p_this, "Song will be submitted." );
612 #define QUEUE_COPY( a ) \
613 p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a
615 #define QUEUE_COPY_NULL( a ) \
617 p_sys->p_current_song.a = NULL
620 QUEUE_COPY_NULL( psz_n );
621 QUEUE_COPY_NULL( psz_a );
622 QUEUE_COPY_NULL( psz_t );
623 QUEUE_COPY_NULL( psz_b );
624 QUEUE_COPY_NULL( psz_m );
626 #undef QUEUE_COPY_NULL
631 /* signal the main loop we have something to submit */
632 vlc_object_signal( VLC_OBJECT( p_this ) );
635 DeleteSong( &p_sys->p_current_song );
636 p_sys->b_submit = false;
637 vlc_mutex_unlock( &p_sys->lock );
640 /*****************************************************************************
641 * ParseURL : Split an http:// URL into host, file, and port
643 * Example: "62.216.251.205:80/protocol_1.2"
644 * will be split into "62.216.251.205", 80, "protocol_1.2"
646 * psz_url will be freed before returning
647 * *psz_file & *psz_host will be freed before use
650 * VLC_ENOMEM Out Of Memory
651 * VLC_EGENERIC Invalid url provided
652 * VLC_SUCCESS Success
653 *****************************************************************************/
654 static int ParseURL( char *psz_url, char **psz_host, char **psz_file,
658 int i_len = strlen( psz_url );
659 FREENULL( *psz_host );
660 FREENULL( *psz_file );
662 i_pos = strcspn( psz_url, ":" );
666 *psz_host = strndup( psz_url, i_pos );
670 i_pos++; /* skip the ':' */
671 *i_port = atoi( psz_url + i_pos );
674 FREENULL( *psz_host );
678 i_pos = strcspn( psz_url, "/" );
683 i_pos++; /* skip the '/' */
684 *psz_file = strdup( psz_url + i_pos );
687 FREENULL( *psz_host );
695 /*****************************************************************************
696 * Handshake : Init audioscrobbler connection
697 *****************************************************************************/
698 static int Handshake( intf_thread_t *p_this )
700 char *psz_username, *psz_password;
702 char psz_timestamp[21];
704 struct md5_s p_struct_md5;
707 char *psz_handshake_url;
708 uint8_t p_buffer[1024];
714 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
715 intf_sys_t *p_sys = p_this->p_sys;
717 psz_username = config_GetPsz( p_this, "lastfm-username" );
721 psz_password = config_GetPsz( p_this, "lastfm-password" );
724 free( psz_username );
728 /* username or password have not been setup */
729 if ( !*psz_username || !*psz_password )
731 free( psz_username );
732 free( psz_password );
738 /* generates a md5 hash of the password */
739 InitMD5( &p_struct_md5 );
740 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
741 EndMD5( &p_struct_md5 );
743 free( psz_password );
745 char *psz_password_md5 = psz_md5_hash( &p_struct_md5 );
746 if( !psz_password_md5 )
748 free( psz_username );
752 snprintf( psz_timestamp, sizeof( psz_timestamp ), "%"PRIu64,
753 (uint64_t)timestamp );
755 /* generates a md5 hash of :
756 * - md5 hash of the password, plus
757 * - timestamp in clear text
759 InitMD5( &p_struct_md5 );
760 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
761 AddMD5( &p_struct_md5, ( uint8_t* ) psz_timestamp, strlen( psz_timestamp ));
762 EndMD5( &p_struct_md5 );
763 free( psz_password_md5 );
765 char *psz_auth_token = psz_md5_hash( &p_struct_md5 );
766 if( !psz_auth_token )
768 free( psz_username );
771 strncpy( p_sys->psz_auth_token, psz_auth_token, 33 );
772 free( psz_auth_token );
774 if( !asprintf( &psz_handshake_url,
775 "http://post.audioscrobbler.com/?hs=true&p=1.2&c=%s&v=%s&u=%s&t=%s&a=%s",
776 CLIENT_NAME, CLIENT_VERSION, psz_username, psz_timestamp,
777 p_sys->psz_auth_token ) )
779 free( psz_username );
782 free( psz_username );
784 /* send the http handshake request */
785 p_stream = stream_UrlNew( p_intf, psz_handshake_url );
786 free( psz_handshake_url );
792 i_ret = stream_Read( p_stream, p_buffer, 1023 );
795 stream_Delete( p_stream );
798 p_buffer[i_ret] = '\0';
799 stream_Delete( p_stream );
801 p_buffer_pos = strstr( ( char* ) p_buffer, "FAILED " );
804 /* handshake request failed, sorry */
805 msg_Err( p_this, "last.fm handshake failed: %s", p_buffer_pos + 7 );
809 p_buffer_pos = strstr( ( char* ) p_buffer, "BADAUTH" );
812 /* authentication failed, bad username/password combination */
813 intf_UserFatal( p_this, false,
814 _("last.fm: Authentication failed"),
815 _("last.fm username or password is incorrect. "
816 "Please verify your settings and relaunch VLC." ) );
817 return VLC_AUDIOSCROBBLER_EFATAL;
820 p_buffer_pos = strstr( ( char* ) p_buffer, "BANNED" );
823 /* oops, our version of vlc has been banned by last.fm servers */
824 msg_Err( p_intf, "This version of VLC has been banned by last.fm. "
825 "You should upgrade VLC, or disable the last.fm plugin." );
826 return VLC_AUDIOSCROBBLER_EFATAL;
829 p_buffer_pos = strstr( ( char* ) p_buffer, "BADTIME" );
832 /* The system clock isn't good */
833 msg_Err( p_intf, "last.fm handshake failed because your clock is too "
834 "much shifted. Please correct it, and relaunch VLC." );
835 return VLC_AUDIOSCROBBLER_EFATAL;
838 p_buffer_pos = strstr( ( char* ) p_buffer, "OK" );
842 p_buffer_pos = strstr( p_buffer_pos, "\n" );
843 if( !p_buffer_pos || strlen( p_buffer_pos ) < 34 )
845 p_buffer_pos++; /* we skip the '\n' */
847 /* save the session ID */
848 snprintf( p_sys->psz_auth_token, 33, "%s", p_buffer_pos );
850 p_buffer_pos = strstr( p_buffer_pos, "http://" );
851 if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
854 /* We need to read the nowplaying url */
855 p_buffer_pos += 7; /* we skip "http://" */
857 psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "\n" ) );
861 switch( ParseURL( psz_url, &p_sys->psz_nowp_host,
862 &p_sys->psz_nowp_file, &p_sys->i_nowp_port ) )
873 p_buffer_pos = strstr( p_buffer_pos, "http://" );
874 if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
877 /* We need to read the submission url */
878 p_buffer_pos += 7; /* we skip "http://" */
879 psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "\n" ) );
883 switch( ParseURL( psz_url, &p_sys->psz_submit_host,
884 &p_sys->psz_submit_file, &p_sys->i_submit_port ) )
901 msg_Err( p_intf, "Handshake: can't recognize server protocol" );
905 /*****************************************************************************
906 * DeleteSong : Delete the char pointers in a song
907 *****************************************************************************/
908 static void DeleteSong( audioscrobbler_song_t* p_song )
910 FREENULL( p_song->psz_a );
911 FREENULL( p_song->psz_b );
912 FREENULL( p_song->psz_t );
913 FREENULL( p_song->psz_m );
914 FREENULL( p_song->psz_n );
917 /*****************************************************************************
918 * ReadMetaData : Read meta data when parsed by vlc
919 *****************************************************************************/
920 static int ReadMetaData( intf_thread_t *p_this )
922 playlist_t *p_playlist;
923 input_thread_t *p_input;
924 input_item_t *p_item;
926 intf_sys_t *p_sys = p_this->p_sys;
928 p_playlist = pl_Yield( p_this );
930 p_input = p_playlist->p_input;
934 pl_Release( p_this );
935 return( VLC_SUCCESS );
938 vlc_object_yield( p_input );
940 pl_Release( p_this );
942 p_item = input_GetItem( p_input );
947 #define ALLOC_ITEM_META( a, b ) \
948 psz_meta = input_item_Get##b( p_item ); \
949 if( psz_meta && *psz_meta ) \
951 a = encode_URI_component( psz_meta ); \
959 vlc_mutex_lock( &p_sys->lock );
961 p_sys->b_meta_read = true;
963 ALLOC_ITEM_META( p_sys->p_current_song.psz_a, Artist )
966 vlc_mutex_unlock( &p_sys->lock );
967 msg_Dbg( p_this, "No artist.." );
968 vlc_object_release( p_input );
974 ALLOC_ITEM_META( p_sys->p_current_song.psz_t, Title )
977 vlc_mutex_unlock( &p_sys->lock );
978 msg_Dbg( p_this, "No track name.." );
979 vlc_object_release( p_input );
980 free( p_sys->p_current_song.psz_a );
986 /* Now we have read the mandatory meta data, so we can submit that info */
987 p_sys->b_submit = true;
989 ALLOC_ITEM_META( p_sys->p_current_song.psz_b, Album )
991 p_sys->p_current_song.psz_b = calloc( 1, 1 );
994 ALLOC_ITEM_META( p_sys->p_current_song.psz_m, TrackID )
996 p_sys->p_current_song.psz_m = calloc( 1, 1 );
999 p_sys->p_current_song.i_l = input_item_GetDuration( p_item ) / 1000000;
1001 ALLOC_ITEM_META( p_sys->p_current_song.psz_n, TrackNum )
1003 p_sys->p_current_song.psz_n = calloc( 1, 1 );
1005 #undef ALLOC_ITEM_META
1007 msg_Dbg( p_this, "Meta data registered" );
1009 vlc_mutex_unlock( &p_sys->lock );
1010 vlc_object_release( p_input );
1015 static void HandleInterval( mtime_t *next, unsigned int *i_interval )
1017 if( *i_interval == 0 )
1019 /* first interval is 1 minute */
1024 /* else we double the previous interval, up to 120 minutes */
1026 if( *i_interval > 120 )
1029 *next = mdate() + ( *i_interval * 1000000 * 60 );