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_intf, &p_sys->wait );
187 p_playlist = pl_Yield( 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_Yield( p_intf );
213 var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
215 p_input = p_playlist->p_input;
218 vlc_object_yield( 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 );
230 p_intf->b_dead = true;
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_cond_destroy( &p_sys->wait );
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_mutex_lock( &p_sys->lock );
268 mutex_cleanup_push( &p_sys->lock );
270 if( mdate() < p_sys->next_exchange )
271 /* wait until we can resubmit, i.e. */
272 b_wait = vlc_cond_timedwait( &p_sys->wait, &p_sys->lock,
273 p_sys->next_exchange ) == 0;
275 /* wait for data to submit */
276 /* we are signaled each time there is a song to submit */
277 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
279 canc = vlc_savecancel();
282 continue; /* holding on until next_exchange */
284 /* handshake if needed */
285 if( p_sys->b_handshaked == false )
287 msg_Dbg( p_intf, "Handshaking with last.fm ..." );
289 switch( Handshake( p_intf ) )
295 /* username not set */
296 intf_UserFatal( p_intf, false,
297 _("Last.fm username not set"),
298 _("Please set a username or disable the "
299 "audioscrobbler plugin, and restart VLC.\n"
300 "Visit http://www.last.fm/join/ to get an account.")
305 msg_Dbg( p_intf, "Handshake successfull :)" );
306 p_sys->b_handshaked = true;
307 p_sys->i_interval = 0;
308 p_sys->next_exchange = mdate();
311 case VLC_AUDIOSCROBBLER_EFATAL:
312 msg_Warn( p_intf, "Exiting..." );
317 /* protocol error : we'll try later */
318 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
321 /* if handshake failed let's restart the loop */
322 if( p_sys->b_handshaked == false )
326 msg_Dbg( p_intf, "Going to submit some data..." );
328 /* The session may be invalid if there is a trailing \n */
329 char *psz_ln = strrchr( p_sys->psz_auth_token, '\n' );
333 if( !asprintf( &psz_submit, "s=%s", p_sys->psz_auth_token ) )
334 { /* Out of memory */
338 /* forge the HTTP POST request */
339 vlc_mutex_lock( &p_sys->lock );
340 audioscrobbler_song_t *p_song;
341 for( i_song = 0 ; i_song < p_sys->i_songs ; i_song++ )
343 p_song = &p_sys->p_queue[i_song];
344 if( !asprintf( &psz_submit_song,
354 i_song, p_song->psz_a,
355 i_song, p_song->psz_t,
356 i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */
360 i_song, p_song->psz_b,
361 i_song, p_song->psz_n,
362 i_song, p_song->psz_m
364 { /* Out of memory */
365 vlc_mutex_unlock( &p_sys->lock );
368 psz_submit_tmp = psz_submit;
369 if( !asprintf( &psz_submit, "%s%s",
370 psz_submit_tmp, psz_submit_song ) )
371 { /* Out of memory */
372 free( psz_submit_tmp );
373 free( psz_submit_song );
374 vlc_mutex_unlock( &p_sys->lock );
377 free( psz_submit_song );
378 free( psz_submit_tmp );
380 vlc_mutex_unlock( &p_sys->lock );
382 i_post_socket = net_ConnectTCP( p_intf,
383 p_sys->psz_submit_host, p_sys->i_submit_port );
385 if ( i_post_socket == -1 )
387 /* If connection fails, we assume we must handshake again */
388 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
389 p_sys->b_handshaked = false;
394 /* we transmit the data */
395 i_net_ret = net_Printf(
396 VLC_OBJECT( p_intf ), i_post_socket, NULL,
397 POST_REQUEST, p_sys->psz_submit_file,
398 (unsigned)strlen( psz_submit ), p_sys->psz_submit_file,
403 if ( i_net_ret == -1 )
405 /* If connection fails, we assume we must handshake again */
406 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
407 p_sys->b_handshaked = false;
411 i_net_ret = net_Read( p_intf, i_post_socket, NULL,
412 p_buffer, 1023, false );
413 if ( i_net_ret <= 0 )
415 /* if we get no answer, something went wrong : try again */
419 net_Close( i_post_socket );
420 p_buffer[i_net_ret] = '\0';
422 p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
425 msg_Warn( p_intf, "%s", p_buffer_pos );
426 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
430 p_buffer_pos = strstr( ( char * ) p_buffer, "BADSESSION" );
433 msg_Err( p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?" );
434 p_sys->b_handshaked = false;
435 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
439 p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
443 for( i = 0; i < p_sys->i_songs; i++ )
444 DeleteSong( &p_sys->p_queue[i] );
446 p_sys->i_interval = 0;
447 p_sys->next_exchange = mdate();
448 msg_Dbg( p_intf, "Submission successful!" );
452 msg_Err( p_intf, "Authentication failed, handshaking again (%s)",
454 p_sys->b_handshaked = false;
455 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
459 vlc_restorecancel( canc );
462 /*****************************************************************************
463 * PlayingChange: Playing status change callback
464 *****************************************************************************/
465 static int PlayingChange( vlc_object_t *p_this, const char *psz_var,
466 vlc_value_t oldval, vlc_value_t newval, void *p_data )
468 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
469 intf_sys_t *p_sys = p_intf->p_sys;
471 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
476 if( p_sys->b_meta_read == false && newval.i_int >= PLAYING_S )
478 ReadMetaData( p_intf );
482 if( newval.i_int >= END_S )
483 AddToQueue( p_intf );
484 else if( oldval.i_int == PLAYING_S && newval.i_int == PAUSE_S )
485 p_sys->time_pause = mdate();
486 else if( oldval.i_int == PAUSE_S && newval.i_int == PLAYING_S )
487 p_sys->time_total_pauses += ( mdate() - p_sys->time_pause );
492 /*****************************************************************************
493 * ItemChange: Playlist item change callback
494 *****************************************************************************/
495 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
496 vlc_value_t oldval, vlc_value_t newval, void *p_data )
498 playlist_t *p_playlist;
499 input_thread_t *p_input;
500 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
501 intf_sys_t *p_sys = p_intf->p_sys;
502 input_item_t *p_item;
503 vlc_value_t video_val;
505 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
506 VLC_UNUSED( oldval ); VLC_UNUSED( newval );
511 p_sys->b_state_cb = false;
512 p_sys->b_meta_read = false;
513 p_sys->b_submit = false;
515 p_playlist = pl_Yield( p_intf );
517 p_input = p_playlist->p_input;
519 if( !p_input || p_input->b_dead )
522 pl_Release( p_intf );
526 vlc_object_yield( p_input );
528 pl_Release( p_intf );
530 p_item = input_GetItem( p_input );
533 vlc_object_release( p_input );
537 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
538 if( ( video_val.i_int > 0 ) || p_item->i_type == ITEM_TYPE_NET )
540 msg_Dbg( p_this, "Not an audio local file, not submitting");
541 vlc_object_release( p_input );
545 p_sys->time_total_pauses = 0;
546 time( &p_sys->p_current_song.date ); /* to be sent to last.fm */
547 p_sys->p_current_song.i_start = mdate(); /* only used locally */
549 var_AddCallback( p_input, "state", PlayingChange, p_intf );
550 p_sys->b_state_cb = true;
552 if( input_item_IsPreparsed( p_item ) )
553 ReadMetaData( p_intf );
554 /* if the input item was not preparsed, we'll do it in PlayingChange()
555 * callback, when "state" == PLAYING_S */
557 vlc_object_release( p_input );
561 /*****************************************************************************
562 * AddToQueue: Add the played song to the queue to be submitted
563 *****************************************************************************/
564 static void AddToQueue ( intf_thread_t *p_this )
567 intf_sys_t *p_sys = p_this->p_sys;
569 vlc_mutex_lock( &p_sys->lock );
570 if( !p_sys->b_submit )
573 /* wait for the user to listen enough before submitting */
574 played_time = mdate() - p_sys->p_current_song.i_start -
575 p_sys->time_total_pauses;
576 played_time /= 1000000; /* µs → s */
578 if( ( played_time < 60 ) &&
579 ( played_time < ( p_sys->p_current_song.i_l / 2 ) ) )
581 msg_Dbg( p_this, "Song not listened long enough, not submitting" );
585 if( p_sys->p_current_song.i_l < 30 )
587 if( played_time < 30 )
589 msg_Dbg( p_this, "Song too short (< 30s), not submitting" );
593 /* This is a HACK to avoid length = 0 (seems to be rejected by audioscrobbler) */
594 p_sys->p_current_song.i_l = played_time;
597 if( !p_sys->p_current_song.psz_a || !*p_sys->p_current_song.psz_a ||
598 !p_sys->p_current_song.psz_t || !*p_sys->p_current_song.psz_t )
600 msg_Dbg( p_this, "Missing artist or title, not submitting" );
601 /*XXX*/ msg_Dbg( p_this, "%s %s", p_sys->p_current_song.psz_a, p_sys->p_current_song.psz_t );
605 if( p_sys->i_songs >= QUEUE_MAX )
607 msg_Warn( p_this, "Submission queue is full, not submitting" );
611 msg_Dbg( p_this, "Song will be submitted." );
613 #define QUEUE_COPY( a ) \
614 p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a
616 #define QUEUE_COPY_NULL( a ) \
618 p_sys->p_current_song.a = NULL
621 QUEUE_COPY_NULL( psz_n );
622 QUEUE_COPY_NULL( psz_a );
623 QUEUE_COPY_NULL( psz_t );
624 QUEUE_COPY_NULL( psz_b );
625 QUEUE_COPY_NULL( psz_m );
627 #undef QUEUE_COPY_NULL
632 /* signal the main loop we have something to submit */
633 vlc_cond_signal( &p_sys->wait );
636 DeleteSong( &p_sys->p_current_song );
637 p_sys->b_submit = false;
638 vlc_mutex_unlock( &p_sys->lock );
641 /*****************************************************************************
642 * ParseURL : Split an http:// URL into host, file, and port
644 * Example: "62.216.251.205:80/protocol_1.2"
645 * will be split into "62.216.251.205", 80, "protocol_1.2"
647 * psz_url will be freed before returning
648 * *psz_file & *psz_host will be freed before use
651 * VLC_ENOMEM Out Of Memory
652 * VLC_EGENERIC Invalid url provided
653 * VLC_SUCCESS Success
654 *****************************************************************************/
655 static int ParseURL( char *psz_url, char **psz_host, char **psz_file,
659 int i_len = strlen( psz_url );
660 FREENULL( *psz_host );
661 FREENULL( *psz_file );
663 i_pos = strcspn( psz_url, ":" );
667 *psz_host = strndup( psz_url, i_pos );
671 i_pos++; /* skip the ':' */
672 *i_port = atoi( psz_url + i_pos );
675 FREENULL( *psz_host );
679 i_pos = strcspn( psz_url, "/" );
684 i_pos++; /* skip the '/' */
685 *psz_file = strdup( psz_url + i_pos );
688 FREENULL( *psz_host );
696 /*****************************************************************************
697 * Handshake : Init audioscrobbler connection
698 *****************************************************************************/
699 static int Handshake( intf_thread_t *p_this )
701 char *psz_username, *psz_password;
703 char psz_timestamp[21];
705 struct md5_s p_struct_md5;
708 char *psz_handshake_url;
709 uint8_t p_buffer[1024];
715 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
716 intf_sys_t *p_sys = p_this->p_sys;
718 psz_username = config_GetPsz( p_this, "lastfm-username" );
722 psz_password = config_GetPsz( p_this, "lastfm-password" );
725 free( psz_username );
729 /* username or password have not been setup */
730 if ( !*psz_username || !*psz_password )
732 free( psz_username );
733 free( psz_password );
739 /* generates a md5 hash of the password */
740 InitMD5( &p_struct_md5 );
741 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
742 EndMD5( &p_struct_md5 );
744 free( psz_password );
746 char *psz_password_md5 = psz_md5_hash( &p_struct_md5 );
747 if( !psz_password_md5 )
749 free( psz_username );
753 snprintf( psz_timestamp, sizeof( psz_timestamp ), "%"PRIu64,
754 (uint64_t)timestamp );
756 /* generates a md5 hash of :
757 * - md5 hash of the password, plus
758 * - timestamp in clear text
760 InitMD5( &p_struct_md5 );
761 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
762 AddMD5( &p_struct_md5, ( uint8_t* ) psz_timestamp, strlen( psz_timestamp ));
763 EndMD5( &p_struct_md5 );
764 free( psz_password_md5 );
766 char *psz_auth_token = psz_md5_hash( &p_struct_md5 );
767 if( !psz_auth_token )
769 free( psz_username );
772 strncpy( p_sys->psz_auth_token, psz_auth_token, 33 );
773 free( psz_auth_token );
775 if( !asprintf( &psz_handshake_url,
776 "http://post.audioscrobbler.com/?hs=true&p=1.2&c=%s&v=%s&u=%s&t=%s&a=%s",
777 CLIENT_NAME, CLIENT_VERSION, psz_username, psz_timestamp,
778 p_sys->psz_auth_token ) )
780 free( psz_username );
783 free( psz_username );
785 /* send the http handshake request */
786 p_stream = stream_UrlNew( p_intf, psz_handshake_url );
787 free( psz_handshake_url );
793 i_ret = stream_Read( p_stream, p_buffer, 1023 );
796 stream_Delete( p_stream );
799 p_buffer[i_ret] = '\0';
800 stream_Delete( p_stream );
802 p_buffer_pos = strstr( ( char* ) p_buffer, "FAILED " );
805 /* handshake request failed, sorry */
806 msg_Err( p_this, "last.fm handshake failed: %s", p_buffer_pos + 7 );
810 p_buffer_pos = strstr( ( char* ) p_buffer, "BADAUTH" );
813 /* authentication failed, bad username/password combination */
814 intf_UserFatal( p_this, false,
815 _("last.fm: Authentication failed"),
816 _("last.fm username or password is incorrect. "
817 "Please verify your settings and relaunch VLC." ) );
818 return VLC_AUDIOSCROBBLER_EFATAL;
821 p_buffer_pos = strstr( ( char* ) p_buffer, "BANNED" );
824 /* oops, our version of vlc has been banned by last.fm servers */
825 msg_Err( p_intf, "This version of VLC has been banned by last.fm. "
826 "You should upgrade VLC, or disable the last.fm plugin." );
827 return VLC_AUDIOSCROBBLER_EFATAL;
830 p_buffer_pos = strstr( ( char* ) p_buffer, "BADTIME" );
833 /* The system clock isn't good */
834 msg_Err( p_intf, "last.fm handshake failed because your clock is too "
835 "much shifted. Please correct it, and relaunch VLC." );
836 return VLC_AUDIOSCROBBLER_EFATAL;
839 p_buffer_pos = strstr( ( char* ) p_buffer, "OK" );
843 p_buffer_pos = strstr( p_buffer_pos, "\n" );
844 if( !p_buffer_pos || strlen( p_buffer_pos ) < 34 )
846 p_buffer_pos++; /* we skip the '\n' */
848 /* save the session ID */
849 snprintf( p_sys->psz_auth_token, 33, "%s", p_buffer_pos );
851 p_buffer_pos = strstr( p_buffer_pos, "http://" );
852 if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
855 /* We need to read the nowplaying url */
856 p_buffer_pos += 7; /* we skip "http://" */
858 psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "\n" ) );
862 switch( ParseURL( psz_url, &p_sys->psz_nowp_host,
863 &p_sys->psz_nowp_file, &p_sys->i_nowp_port ) )
874 p_buffer_pos = strstr( p_buffer_pos, "http://" );
875 if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
878 /* We need to read the submission url */
879 p_buffer_pos += 7; /* we skip "http://" */
880 psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "\n" ) );
884 switch( ParseURL( psz_url, &p_sys->psz_submit_host,
885 &p_sys->psz_submit_file, &p_sys->i_submit_port ) )
902 msg_Err( p_intf, "Handshake: can't recognize server protocol" );
906 /*****************************************************************************
907 * DeleteSong : Delete the char pointers in a song
908 *****************************************************************************/
909 static void DeleteSong( audioscrobbler_song_t* p_song )
911 FREENULL( p_song->psz_a );
912 FREENULL( p_song->psz_b );
913 FREENULL( p_song->psz_t );
914 FREENULL( p_song->psz_m );
915 FREENULL( p_song->psz_n );
918 /*****************************************************************************
919 * ReadMetaData : Read meta data when parsed by vlc
920 *****************************************************************************/
921 static int ReadMetaData( intf_thread_t *p_this )
923 playlist_t *p_playlist;
924 input_thread_t *p_input;
925 input_item_t *p_item;
927 intf_sys_t *p_sys = p_this->p_sys;
929 p_playlist = pl_Yield( p_this );
931 p_input = p_playlist->p_input;
935 pl_Release( p_this );
936 return( VLC_SUCCESS );
939 vlc_object_yield( p_input );
941 pl_Release( p_this );
943 p_item = input_GetItem( p_input );
948 #define ALLOC_ITEM_META( a, b ) \
949 psz_meta = input_item_Get##b( p_item ); \
950 if( psz_meta && *psz_meta ) \
952 a = encode_URI_component( psz_meta ); \
960 vlc_mutex_lock( &p_sys->lock );
962 p_sys->b_meta_read = true;
964 ALLOC_ITEM_META( p_sys->p_current_song.psz_a, Artist )
967 vlc_mutex_unlock( &p_sys->lock );
968 msg_Dbg( p_this, "No artist.." );
969 vlc_object_release( p_input );
975 ALLOC_ITEM_META( p_sys->p_current_song.psz_t, Title )
978 vlc_mutex_unlock( &p_sys->lock );
979 msg_Dbg( p_this, "No track name.." );
980 vlc_object_release( p_input );
981 free( p_sys->p_current_song.psz_a );
987 /* Now we have read the mandatory meta data, so we can submit that info */
988 p_sys->b_submit = true;
990 ALLOC_ITEM_META( p_sys->p_current_song.psz_b, Album )
992 p_sys->p_current_song.psz_b = calloc( 1, 1 );
995 ALLOC_ITEM_META( p_sys->p_current_song.psz_m, TrackID )
997 p_sys->p_current_song.psz_m = calloc( 1, 1 );
1000 p_sys->p_current_song.i_l = input_item_GetDuration( p_item ) / 1000000;
1002 ALLOC_ITEM_META( p_sys->p_current_song.psz_n, TrackNum )
1004 p_sys->p_current_song.psz_n = calloc( 1, 1 );
1006 #undef ALLOC_ITEM_META
1008 msg_Dbg( p_this, "Meta data registered" );
1010 vlc_mutex_unlock( &p_sys->lock );
1011 vlc_object_release( p_input );
1016 static void HandleInterval( mtime_t *next, unsigned int *i_interval )
1018 if( *i_interval == 0 )
1020 /* first interval is 1 minute */
1025 /* else we double the previous interval, up to 120 minutes */
1027 if( *i_interval > 120 )
1030 *next = mdate() + ( *i_interval * 1000000 * 60 );