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 */
78 vlc_cond_t wait; /**< song to submit event */
80 /* data about audioscrobbler session */
81 mtime_t next_exchange; /**< when can we send data */
82 unsigned int i_interval; /**< waiting interval (secs)*/
84 /* submission of played songs */
85 char *psz_submit_host; /**< where to submit data */
86 int i_submit_port; /**< port to which submit */
87 char *psz_submit_file; /**< file to which submit */
89 /* submission of playing song */
91 char *psz_nowp_host; /**< where to submit data */
92 int i_nowp_port; /**< port to which submit */
93 char *psz_nowp_file; /**< file to which submit */
95 bool b_handshaked; /**< are we authenticated ? */
96 char psz_auth_token[33]; /**< Authentication token */
98 /* data about song currently playing */
99 audioscrobbler_song_t p_current_song; /**< song being played */
101 mtime_t time_pause; /**< time when vlc paused */
102 mtime_t time_total_pauses; /**< total time in pause */
104 bool b_submit; /**< do we have to submit ? */
106 bool b_state_cb; /**< if we registered the
107 * "state" callback */
109 bool b_meta_read; /**< if we read the song's
110 * metadata already */
113 static int Open ( vlc_object_t * );
114 static void Close ( vlc_object_t * );
115 static void Run ( intf_thread_t * );
117 static int ItemChange ( vlc_object_t *, const char *, vlc_value_t,
118 vlc_value_t, void * );
119 static int PlayingChange ( vlc_object_t *, const char *, vlc_value_t,
120 vlc_value_t, void * );
122 static void AddToQueue ( intf_thread_t * );
123 static int Handshake ( intf_thread_t * );
124 static int ReadMetaData ( intf_thread_t * );
125 static void DeleteSong ( audioscrobbler_song_t* );
126 static int ParseURL ( char *, char **, char **, int * );
127 static void HandleInterval ( mtime_t *, unsigned int * );
129 /*****************************************************************************
131 ****************************************************************************/
133 #define USERNAME_TEXT N_("Username")
134 #define USERNAME_LONGTEXT N_("The username of your last.fm account")
135 #define PASSWORD_TEXT N_("Password")
136 #define PASSWORD_LONGTEXT N_("The password of your last.fm account")
138 /* This error value is used when last.fm plugin has to be unloaded. */
139 #define VLC_AUDIOSCROBBLER_EFATAL -69
141 /* last.fm client identifier */
142 #define CLIENT_NAME PACKAGE
143 #define CLIENT_VERSION VERSION
145 /* HTTP POST request : to submit data */
146 #define POST_REQUEST "POST /%s HTTP/1.1\n" \
147 "Accept-Encoding: identity\n" \
148 "Content-length: %u\n" \
149 "Connection: close\n" \
150 "Content-type: application/x-www-form-urlencoded\n" \
152 "User-agent: VLC Media Player/%s\r\n" \
158 set_category( CAT_INTERFACE );
159 set_subcategory( SUBCAT_INTERFACE_CONTROL );
160 set_shortname( N_( "Audioscrobbler" ) );
161 set_description( N_("Submission of played songs to last.fm") );
162 add_string( "lastfm-username", "", NULL,
163 USERNAME_TEXT, USERNAME_LONGTEXT, false );
164 add_password( "lastfm-password", "", NULL,
165 PASSWORD_TEXT, PASSWORD_LONGTEXT, false );
166 set_capability( "interface", 0 );
167 set_callbacks( Open, Close );
170 /*****************************************************************************
171 * Open: initialize and create stuff
172 *****************************************************************************/
173 static int Open( vlc_object_t *p_this )
175 playlist_t *p_playlist;
176 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
177 intf_sys_t *p_sys = calloc( 1, sizeof( intf_sys_t ) );
182 p_intf->p_sys = p_sys;
184 vlc_mutex_init( &p_sys->lock );
185 vlc_cond_init( &p_sys->wait );
187 p_playlist = pl_Hold( p_intf );
189 var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
191 pl_Release( p_intf );
193 p_intf->pf_run = Run;
198 /*****************************************************************************
199 * Close: destroy interface stuff
200 *****************************************************************************/
201 static void Close( vlc_object_t *p_this )
203 playlist_t *p_playlist;
204 input_thread_t *p_input;
205 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
206 intf_sys_t *p_sys = p_intf->p_sys;
208 p_playlist = pl_Hold( p_intf );
213 var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
215 p_input = p_playlist->p_input;
218 vlc_object_hold( p_input );
220 if( p_sys->b_state_cb )
221 var_DelCallback( p_input, "state", PlayingChange, p_intf );
223 vlc_object_release( p_input );
227 pl_Release( p_intf );
231 for( i = 0; i < p_sys->i_songs; i++ )
232 DeleteSong( &p_sys->p_queue[i] );
233 free( p_sys->psz_submit_host );
234 free( p_sys->psz_submit_file );
236 free( p_sys->psz_nowp_host );
237 free( p_sys->psz_nowp_file );
239 vlc_cond_destroy( &p_sys->wait );
240 vlc_mutex_destroy( &p_sys->lock );
245 /*****************************************************************************
246 * Run : call Handshake() then submit songs
247 *****************************************************************************/
248 static void Run( intf_thread_t *p_intf )
250 char *psz_submit, *psz_submit_song, *psz_submit_tmp;
253 uint8_t p_buffer[1024];
256 int canc = vlc_savecancel();
258 intf_sys_t *p_sys = p_intf->p_sys;
265 vlc_restorecancel( canc );
266 vlc_mutex_lock( &p_sys->lock );
267 mutex_cleanup_push( &p_sys->lock );
269 if( mdate() < p_sys->next_exchange )
270 /* wait until we can resubmit, i.e. */
271 b_wait = vlc_cond_timedwait( &p_sys->wait, &p_sys->lock,
272 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_cond_wait( &p_sys->wait, &p_sys->lock );
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 );
472 if( p_sys->b_meta_read == false && newval.i_int >= PLAYING_S )
474 ReadMetaData( p_intf );
478 if( newval.i_int >= END_S )
479 AddToQueue( p_intf );
480 else if( oldval.i_int == PLAYING_S && newval.i_int == PAUSE_S )
481 p_sys->time_pause = mdate();
482 else if( oldval.i_int == PAUSE_S && newval.i_int == PLAYING_S )
483 p_sys->time_total_pauses += ( mdate() - p_sys->time_pause );
488 /*****************************************************************************
489 * ItemChange: Playlist item change callback
490 *****************************************************************************/
491 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
492 vlc_value_t oldval, vlc_value_t newval, void *p_data )
494 playlist_t *p_playlist;
495 input_thread_t *p_input;
496 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
497 intf_sys_t *p_sys = p_intf->p_sys;
498 input_item_t *p_item;
499 vlc_value_t video_val;
501 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
502 VLC_UNUSED( oldval ); VLC_UNUSED( newval );
504 p_sys->b_state_cb = false;
505 p_sys->b_meta_read = false;
506 p_sys->b_submit = false;
508 p_playlist = pl_Hold( p_intf );
510 p_input = p_playlist->p_input;
512 if( !p_input || p_input->b_dead )
515 pl_Release( p_intf );
519 vlc_object_hold( p_input );
521 pl_Release( p_intf );
523 p_item = input_GetItem( p_input );
526 vlc_object_release( p_input );
530 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
531 if( ( video_val.i_int > 0 ) || p_item->i_type == ITEM_TYPE_NET )
533 msg_Dbg( p_this, "Not an audio local file, not submitting");
534 vlc_object_release( p_input );
538 p_sys->time_total_pauses = 0;
539 time( &p_sys->p_current_song.date ); /* to be sent to last.fm */
540 p_sys->p_current_song.i_start = mdate(); /* only used locally */
542 var_AddCallback( p_input, "state", PlayingChange, p_intf );
543 p_sys->b_state_cb = true;
545 if( input_item_IsPreparsed( p_item ) )
546 ReadMetaData( p_intf );
547 /* if the input item was not preparsed, we'll do it in PlayingChange()
548 * callback, when "state" == PLAYING_S */
550 vlc_object_release( p_input );
554 /*****************************************************************************
555 * AddToQueue: Add the played song to the queue to be submitted
556 *****************************************************************************/
557 static void AddToQueue ( intf_thread_t *p_this )
560 intf_sys_t *p_sys = p_this->p_sys;
562 vlc_mutex_lock( &p_sys->lock );
563 if( !p_sys->b_submit )
566 /* wait for the user to listen enough before submitting */
567 played_time = mdate() - p_sys->p_current_song.i_start -
568 p_sys->time_total_pauses;
569 played_time /= 1000000; /* µs → s */
571 /*HACK: it seam that the preparsing sometime fail,
572 so use the playing time as the song length */
573 if( p_sys->p_current_song.i_l == 0 )
574 p_sys->p_current_song.i_l = played_time;
576 /* Don't send song shorter than 30s */
577 if( p_sys->p_current_song.i_l < 30 )
579 msg_Dbg( p_this, "Song too short (< 30s), not submitting" );
583 /* Send if the user had listen more than 240s OR half the track length */
584 if( ( played_time < 240 ) &&
585 ( played_time < ( p_sys->p_current_song.i_l / 2 ) ) )
587 msg_Dbg( p_this, "Song not listened long enough, not submitting" );
591 /* Check that all meta are present */
592 if( !p_sys->p_current_song.psz_a || !*p_sys->p_current_song.psz_a ||
593 !p_sys->p_current_song.psz_t || !*p_sys->p_current_song.psz_t )
595 msg_Dbg( p_this, "Missing artist or title, not submitting" );
599 if( p_sys->i_songs >= QUEUE_MAX )
601 msg_Warn( p_this, "Submission queue is full, not submitting" );
605 msg_Dbg( p_this, "Song will be submitted." );
607 #define QUEUE_COPY( a ) \
608 p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a
610 #define QUEUE_COPY_NULL( a ) \
612 p_sys->p_current_song.a = NULL
615 QUEUE_COPY_NULL( psz_n );
616 QUEUE_COPY_NULL( psz_a );
617 QUEUE_COPY_NULL( psz_t );
618 QUEUE_COPY_NULL( psz_b );
619 QUEUE_COPY_NULL( psz_m );
621 #undef QUEUE_COPY_NULL
626 /* signal the main loop we have something to submit */
627 vlc_cond_signal( &p_sys->wait );
630 DeleteSong( &p_sys->p_current_song );
631 p_sys->b_submit = false;
632 vlc_mutex_unlock( &p_sys->lock );
635 /*****************************************************************************
636 * ParseURL : Split an http:// URL into host, file, and port
638 * Example: "62.216.251.205:80/protocol_1.2"
639 * will be split into "62.216.251.205", 80, "protocol_1.2"
641 * psz_url will be freed before returning
642 * *psz_file & *psz_host will be freed before use
645 * VLC_ENOMEM Out Of Memory
646 * VLC_EGENERIC Invalid url provided
647 * VLC_SUCCESS Success
648 *****************************************************************************/
649 static int ParseURL( char *psz_url, char **psz_host, char **psz_file,
653 int i_len = strlen( psz_url );
654 FREENULL( *psz_host );
655 FREENULL( *psz_file );
657 i_pos = strcspn( psz_url, ":" );
661 *psz_host = strndup( psz_url, i_pos );
665 i_pos++; /* skip the ':' */
666 *i_port = atoi( psz_url + i_pos );
669 FREENULL( *psz_host );
673 i_pos = strcspn( psz_url, "/" );
678 i_pos++; /* skip the '/' */
679 *psz_file = strdup( psz_url + i_pos );
682 FREENULL( *psz_host );
690 /*****************************************************************************
691 * Handshake : Init audioscrobbler connection
692 *****************************************************************************/
693 static int Handshake( intf_thread_t *p_this )
695 char *psz_username, *psz_password;
697 char psz_timestamp[21];
699 struct md5_s p_struct_md5;
702 char *psz_handshake_url;
703 uint8_t p_buffer[1024];
709 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
710 intf_sys_t *p_sys = p_this->p_sys;
712 psz_username = config_GetPsz( p_this, "lastfm-username" );
716 psz_password = config_GetPsz( p_this, "lastfm-password" );
719 free( psz_username );
723 /* username or password have not been setup */
724 if ( !*psz_username || !*psz_password )
726 free( psz_username );
727 free( psz_password );
733 /* generates a md5 hash of the password */
734 InitMD5( &p_struct_md5 );
735 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
736 EndMD5( &p_struct_md5 );
738 free( psz_password );
740 char *psz_password_md5 = psz_md5_hash( &p_struct_md5 );
741 if( !psz_password_md5 )
743 free( psz_username );
747 snprintf( psz_timestamp, sizeof( psz_timestamp ), "%"PRIu64,
748 (uint64_t)timestamp );
750 /* generates a md5 hash of :
751 * - md5 hash of the password, plus
752 * - timestamp in clear text
754 InitMD5( &p_struct_md5 );
755 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
756 AddMD5( &p_struct_md5, ( uint8_t* ) psz_timestamp, strlen( psz_timestamp ));
757 EndMD5( &p_struct_md5 );
758 free( psz_password_md5 );
760 char *psz_auth_token = psz_md5_hash( &p_struct_md5 );
761 if( !psz_auth_token )
763 free( psz_username );
766 strncpy( p_sys->psz_auth_token, psz_auth_token, 33 );
767 free( psz_auth_token );
769 if( !asprintf( &psz_handshake_url,
770 "http://post.audioscrobbler.com/?hs=true&p=1.2&c=%s&v=%s&u=%s&t=%s&a=%s",
771 CLIENT_NAME, CLIENT_VERSION, psz_username, psz_timestamp,
772 p_sys->psz_auth_token ) )
774 free( psz_username );
777 free( psz_username );
779 /* send the http handshake request */
780 p_stream = stream_UrlNew( p_intf, psz_handshake_url );
781 free( psz_handshake_url );
787 i_ret = stream_Read( p_stream, p_buffer, 1023 );
790 stream_Delete( p_stream );
793 p_buffer[i_ret] = '\0';
794 stream_Delete( p_stream );
796 p_buffer_pos = strstr( ( char* ) p_buffer, "FAILED " );
799 /* handshake request failed, sorry */
800 msg_Err( p_this, "last.fm handshake failed: %s", p_buffer_pos + 7 );
804 p_buffer_pos = strstr( ( char* ) p_buffer, "BADAUTH" );
807 /* authentication failed, bad username/password combination */
808 intf_UserFatal( p_this, false,
809 _("last.fm: Authentication failed"),
810 _("last.fm username or password is incorrect. "
811 "Please verify your settings and relaunch VLC." ) );
812 return VLC_AUDIOSCROBBLER_EFATAL;
815 p_buffer_pos = strstr( ( char* ) p_buffer, "BANNED" );
818 /* oops, our version of vlc has been banned by last.fm servers */
819 msg_Err( p_intf, "This version of VLC has been banned by last.fm. "
820 "You should upgrade VLC, or disable the last.fm plugin." );
821 return VLC_AUDIOSCROBBLER_EFATAL;
824 p_buffer_pos = strstr( ( char* ) p_buffer, "BADTIME" );
827 /* The system clock isn't good */
828 msg_Err( p_intf, "last.fm handshake failed because your clock is too "
829 "much shifted. Please correct it, and relaunch VLC." );
830 return VLC_AUDIOSCROBBLER_EFATAL;
833 p_buffer_pos = strstr( ( char* ) p_buffer, "OK" );
837 p_buffer_pos = strstr( p_buffer_pos, "\n" );
838 if( !p_buffer_pos || strlen( p_buffer_pos ) < 34 )
840 p_buffer_pos++; /* we skip the '\n' */
842 /* save the session ID */
843 snprintf( p_sys->psz_auth_token, 33, "%s", p_buffer_pos );
845 p_buffer_pos = strstr( p_buffer_pos, "http://" );
846 if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
849 /* We need to read the nowplaying url */
850 p_buffer_pos += 7; /* we skip "http://" */
852 psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "\n" ) );
856 switch( ParseURL( psz_url, &p_sys->psz_nowp_host,
857 &p_sys->psz_nowp_file, &p_sys->i_nowp_port ) )
868 p_buffer_pos = strstr( p_buffer_pos, "http://" );
869 if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
872 /* We need to read the submission url */
873 p_buffer_pos += 7; /* we skip "http://" */
874 psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "\n" ) );
878 switch( ParseURL( psz_url, &p_sys->psz_submit_host,
879 &p_sys->psz_submit_file, &p_sys->i_submit_port ) )
896 msg_Err( p_intf, "Handshake: can't recognize server protocol" );
900 /*****************************************************************************
901 * DeleteSong : Delete the char pointers in a song
902 *****************************************************************************/
903 static void DeleteSong( audioscrobbler_song_t* p_song )
905 FREENULL( p_song->psz_a );
906 FREENULL( p_song->psz_b );
907 FREENULL( p_song->psz_t );
908 FREENULL( p_song->psz_m );
909 FREENULL( p_song->psz_n );
912 /*****************************************************************************
913 * ReadMetaData : Read meta data when parsed by vlc
914 *****************************************************************************/
915 static int ReadMetaData( intf_thread_t *p_this )
917 playlist_t *p_playlist;
918 input_thread_t *p_input;
919 input_item_t *p_item;
921 intf_sys_t *p_sys = p_this->p_sys;
923 p_playlist = pl_Hold( p_this );
925 p_input = p_playlist->p_input;
929 pl_Release( p_this );
930 return( VLC_SUCCESS );
933 vlc_object_hold( p_input );
935 pl_Release( p_this );
937 p_item = input_GetItem( p_input );
942 #define ALLOC_ITEM_META( a, b ) \
943 psz_meta = input_item_Get##b( p_item ); \
944 if( psz_meta && *psz_meta ) \
946 a = encode_URI_component( psz_meta ); \
949 vlc_mutex_unlock( &p_sys->lock ); \
950 vlc_object_release( p_input ); \
956 vlc_mutex_lock( &p_sys->lock );
958 p_sys->b_meta_read = true;
960 ALLOC_ITEM_META( p_sys->p_current_song.psz_a, Artist )
963 vlc_mutex_unlock( &p_sys->lock );
964 msg_Dbg( p_this, "No artist.." );
965 vlc_object_release( p_input );
971 ALLOC_ITEM_META( p_sys->p_current_song.psz_t, Title )
974 vlc_mutex_unlock( &p_sys->lock );
975 msg_Dbg( p_this, "No track name.." );
976 vlc_object_release( p_input );
977 free( p_sys->p_current_song.psz_a );
983 /* Now we have read the mandatory meta data, so we can submit that info */
984 p_sys->b_submit = true;
986 ALLOC_ITEM_META( p_sys->p_current_song.psz_b, Album )
988 p_sys->p_current_song.psz_b = calloc( 1, 1 );
991 ALLOC_ITEM_META( p_sys->p_current_song.psz_m, TrackID )
993 p_sys->p_current_song.psz_m = calloc( 1, 1 );
996 p_sys->p_current_song.i_l = input_item_GetDuration( p_item ) / 1000000;
998 ALLOC_ITEM_META( p_sys->p_current_song.psz_n, TrackNum )
1000 p_sys->p_current_song.psz_n = calloc( 1, 1 );
1002 #undef ALLOC_ITEM_META
1004 msg_Dbg( p_this, "Meta data registered" );
1006 vlc_mutex_unlock( &p_sys->lock );
1007 vlc_object_release( p_input );
1012 static void HandleInterval( mtime_t *next, unsigned int *i_interval )
1014 if( *i_interval == 0 )
1016 /* first interval is 1 minute */
1021 /* else we double the previous interval, up to 120 minutes */
1023 if( *i_interval > 120 )
1026 *next = mdate() + ( *i_interval * 1000000 * 60 );