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 Unload ( intf_thread_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 );
186 p_playlist = pl_Yield( p_intf );
188 var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
190 pl_Release( p_playlist );
192 p_intf->pf_run = Run;
197 /*****************************************************************************
198 * Close: destroy interface stuff
199 *****************************************************************************/
200 static void Close( vlc_object_t *p_this )
202 playlist_t *p_playlist;
203 input_thread_t *p_input;
204 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
205 intf_sys_t *p_sys = p_intf->p_sys;
207 p_playlist = pl_Yield( p_intf );
210 var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
212 p_input = p_playlist->p_input;
215 vlc_object_yield( p_input );
217 if( p_sys->b_state_cb )
218 var_DelCallback( p_input, "state", PlayingChange, p_intf );
220 vlc_object_release( p_input );
224 pl_Release( p_playlist );
226 p_intf->b_dead = true;
227 /* we lock the mutex in case p_sys is being accessed from a callback */
228 vlc_mutex_lock ( &p_sys->lock );
230 for( i = 0; i < p_sys->i_songs; i++ )
231 DeleteSong( &p_sys->p_queue[i] );
232 free( p_sys->psz_submit_host );
233 free( p_sys->psz_submit_file );
235 free( p_sys->psz_nowp_host );
236 free( p_sys->psz_nowp_file );
238 vlc_mutex_unlock ( &p_sys->lock );
239 vlc_mutex_destroy( &p_sys->lock );
244 /*****************************************************************************
245 * Unload: Unloads the audioscrobbler when encountering fatal errors
246 *****************************************************************************/
247 static void Unload( intf_thread_t *p_this )
249 vlc_object_kill( p_this );
250 vlc_object_detach( p_this );
251 if( p_this->p_module )
252 module_Unneed( p_this, p_this->p_module );
253 vlc_mutex_destroy( &p_this->change_lock );
254 vlc_object_release( p_this );
257 /*****************************************************************************
258 * Run : call Handshake() then submit songs
259 *****************************************************************************/
260 static void Run( intf_thread_t *p_intf )
262 char *psz_submit, *psz_submit_song, *psz_submit_tmp;
265 uint8_t p_buffer[1024];
269 intf_sys_t *p_sys = p_intf->p_sys;
276 vlc_object_lock( p_intf );
277 if( !vlc_object_alive( p_intf ) )
279 vlc_object_unlock( p_intf );
280 msg_Dbg( p_intf, "audioscrobbler is dying");
283 if( mdate() < p_sys->next_exchange )
284 /* wait until we can resubmit, i.e. */
285 b_wait = vlc_object_timedwait( p_intf, p_sys->next_exchange ) == 0;
287 /* wait for data to submit */
288 /* we are signaled each time there is a song to submit */
289 vlc_object_wait( p_intf );
290 vlc_object_unlock( p_intf );
293 continue; /* holding on until next_exchange */
295 /* handshake if needed */
296 if( p_sys->b_handshaked == false )
298 msg_Dbg( p_intf, "Handshaking with last.fm ..." );
300 switch( Handshake( p_intf ) )
307 /* username not set */
308 intf_UserFatal( p_intf, false,
309 _("Last.fm username not set"),
310 _("Please set a username or disable the "
311 "audioscrobbler plugin, and restart VLC.\n"
312 "Visit http://www.last.fm/join/ to get an account.")
318 msg_Dbg( p_intf, "Handshake successfull :)" );
319 p_sys->b_handshaked = true;
320 p_sys->i_interval = 0;
321 p_sys->next_exchange = mdate();
324 case VLC_AUDIOSCROBBLER_EFATAL:
325 msg_Warn( p_intf, "Unloading..." );
331 /* protocol error : we'll try later */
332 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
335 /* if handshake failed let's restart the loop */
336 if( p_sys->b_handshaked == false )
340 msg_Dbg( p_intf, "Going to submit some data..." );
342 if( !asprintf( &psz_submit, "s=%s", p_sys->psz_auth_token ) )
343 { /* Out of memory */
348 /* forge the HTTP POST request */
349 vlc_mutex_lock( &p_sys->lock );
350 audioscrobbler_song_t *p_song;
351 for( i_song = 0 ; i_song < p_sys->i_songs ; i_song++ )
353 p_song = &p_sys->p_queue[i_song];
354 if( !asprintf( &psz_submit_song,
355 "&a%%5B%d%%5D=%s&t%%5B%d%%5D=%s"
356 "&i%%5B%d%%5D=%llu&o%%5B%d%%5D=P&r%%5B%d%%5D="
357 "&l%%5B%d%%5D=%d&b%%5B%d%%5D=%s"
358 "&n%%5B%d%%5D=%s&m%%5B%d%%5D=%s",
359 i_song, p_song->psz_a, i_song, p_song->psz_t,
360 i_song, (uintmax_t)p_song->date, i_song, i_song,
361 i_song, p_song->i_l, i_song, p_song->psz_b,
362 i_song, p_song->psz_n, i_song, p_song->psz_m
364 { /* Out of memory */
365 vlc_mutex_unlock( &p_sys->lock );
369 psz_submit_tmp = psz_submit;
370 if( !asprintf( &psz_submit, "%s%s",
371 psz_submit_tmp, psz_submit_song ) )
372 { /* Out of memory */
373 free( psz_submit_tmp );
374 free( psz_submit_song );
375 vlc_mutex_unlock( &p_sys->lock );
379 free( psz_submit_song );
380 free( psz_submit_tmp );
382 vlc_mutex_unlock( &p_sys->lock );
384 i_post_socket = net_ConnectTCP( p_intf,
385 p_sys->psz_submit_host, p_sys->i_submit_port );
387 if ( i_post_socket == -1 )
389 /* If connection fails, we assume we must handshake again */
390 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
391 p_sys->b_handshaked = false;
396 /* we transmit the data */
397 i_net_ret = net_Printf(
398 VLC_OBJECT( p_intf ), i_post_socket, NULL,
399 POST_REQUEST, p_sys->psz_submit_file,
400 (unsigned)strlen( psz_submit ), p_sys->psz_submit_file,
405 if ( i_net_ret == -1 )
407 /* If connection fails, we assume we must handshake again */
408 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
409 p_sys->b_handshaked = false;
413 i_net_ret = net_Read( p_intf, i_post_socket, NULL,
414 p_buffer, 1023, false );
415 if ( i_net_ret <= 0 )
417 /* if we get no answer, something went wrong : try again */
421 net_Close( i_post_socket );
422 p_buffer[i_net_ret] = '\0';
424 p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
427 msg_Warn( p_intf, "%s", p_buffer_pos );
428 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
432 p_buffer_pos = strstr( ( char * ) p_buffer, "BADSESSION" );
435 msg_Err( p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?" );
436 p_sys->b_handshaked = false;
437 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
441 p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
445 for( i = 0; i < p_sys->i_songs; i++ )
446 DeleteSong( &p_sys->p_queue[i] );
448 p_sys->i_interval = 0;
449 p_sys->next_exchange = mdate();
450 msg_Dbg( p_intf, "Submission successful!" );
454 msg_Err( p_intf, "Authentication failed, handshaking again (%s)",
456 p_sys->b_handshaked = false;
457 HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
463 /*****************************************************************************
464 * PlayingChange: Playing status change callback
465 *****************************************************************************/
466 static int PlayingChange( vlc_object_t *p_this, const char *psz_var,
467 vlc_value_t oldval, vlc_value_t newval, void *p_data )
469 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
470 intf_sys_t *p_sys = p_intf->p_sys;
472 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
477 if( p_sys->b_meta_read == false && newval.i_int >= PLAYING_S )
479 ReadMetaData( p_intf );
483 if( newval.i_int >= END_S )
484 AddToQueue( p_intf );
485 else if( oldval.i_int == PLAYING_S && newval.i_int == PAUSE_S )
486 p_sys->time_pause = mdate();
487 else if( oldval.i_int == PAUSE_S && newval.i_int == PLAYING_S )
488 p_sys->time_total_pauses += ( mdate() - p_sys->time_pause );
493 /*****************************************************************************
494 * ItemChange: Playlist item change callback
495 *****************************************************************************/
496 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
497 vlc_value_t oldval, vlc_value_t newval, void *p_data )
499 playlist_t *p_playlist;
500 input_thread_t *p_input;
501 intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
502 intf_sys_t *p_sys = p_intf->p_sys;
503 input_item_t *p_item;
504 vlc_value_t video_val;
506 VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
507 VLC_UNUSED( oldval ); VLC_UNUSED( newval );
512 p_sys->b_state_cb = false;
513 p_sys->b_meta_read = false;
514 p_sys->b_submit = false;
516 p_playlist = pl_Yield( p_intf );
518 p_input = p_playlist->p_input;
520 if( !p_input || p_input->b_dead )
523 pl_Release( p_playlist );
527 vlc_object_yield( p_input );
529 pl_Release( p_playlist );
531 p_item = input_GetItem( p_input );
534 vlc_object_release( p_input );
538 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
539 if( ( video_val.i_int > 0 ) || p_item->i_type == ITEM_TYPE_NET )
541 msg_Dbg( p_this, "Not an audio local file, not submitting");
542 vlc_object_release( p_input );
546 p_sys->time_total_pauses = 0;
547 time( &p_sys->p_current_song.date ); /* to be sent to last.fm */
548 p_sys->p_current_song.i_start = mdate(); /* only used locally */
550 var_AddCallback( p_input, "state", PlayingChange, p_intf );
551 p_sys->b_state_cb = true;
553 if( input_item_IsPreparsed( p_item ) )
554 ReadMetaData( p_intf );
555 /* if the input item was not preparsed, we'll do it in PlayingChange()
556 * callback, when "state" == PLAYING_S */
558 vlc_object_release( p_input );
562 /*****************************************************************************
563 * AddToQueue: Add the played song to the queue to be submitted
564 *****************************************************************************/
565 static void AddToQueue ( intf_thread_t *p_this )
568 intf_sys_t *p_sys = p_this->p_sys;
570 vlc_mutex_lock( &p_sys->lock );
571 if( !p_sys->b_submit )
574 /* wait for the user to listen enough before submitting */
575 played_time = mdate() - p_sys->p_current_song.i_start -
576 p_sys->time_total_pauses;
577 played_time /= 1000000; /* µs → s */
579 if( ( played_time < 240 ) &&
580 ( played_time < ( p_sys->p_current_song.i_l / 2 ) ) )
582 msg_Dbg( p_this, "Song not listened long enough, not submitting" );
586 if( p_sys->p_current_song.i_l < 30 )
588 msg_Dbg( p_this, "Song too short (< 30s), not submitting" );
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" );
596 /*XXX*/ msg_Dbg( p_this, "%s %s", p_sys->p_current_song.psz_a, p_sys->p_current_song.psz_t );
600 if( p_sys->i_songs >= QUEUE_MAX )
602 msg_Warn( p_this, "Submission queue is full, not submitting" );
606 msg_Dbg( p_this, "Song will be submitted." );
608 #define QUEUE_COPY( a ) \
609 p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a
611 #define QUEUE_COPY_NULL( a ) \
613 p_sys->p_current_song.a = NULL
616 QUEUE_COPY_NULL( psz_n );
617 QUEUE_COPY_NULL( psz_a );
618 QUEUE_COPY_NULL( psz_t );
619 QUEUE_COPY_NULL( psz_b );
620 QUEUE_COPY_NULL( psz_m );
622 #undef QUEUE_COPY_NULL
627 /* signal the main loop we have something to submit */
628 vlc_object_signal( VLC_OBJECT( p_this ) );
631 DeleteSong( &p_sys->p_current_song );
632 p_sys->b_submit = false;
633 vlc_mutex_unlock( &p_sys->lock );
636 /*****************************************************************************
637 * ParseURL : Split an http:// URL into host, file, and port
639 * Example: "62.216.251.205:80/protocol_1.2"
640 * will be split into "62.216.251.205", 80, "protocol_1.2"
642 * psz_url will be freed before returning
643 * *psz_file & *psz_host will be freed before use
646 * VLC_ENOMEM Out Of Memory
647 * VLC_EGENERIC Invalid url provided
648 * VLC_SUCCESS Success
649 *****************************************************************************/
650 static int ParseURL( char *psz_url, char **psz_host, char **psz_file,
654 int i_len = strlen( psz_url );
655 FREENULL( *psz_host );
656 FREENULL( *psz_file );
658 i_pos = strcspn( psz_url, ":" );
662 *psz_host = strndup( psz_url, i_pos );
666 i_pos++; /* skip the ':' */
667 *i_port = atoi( psz_url + i_pos );
670 FREENULL( *psz_host );
674 i_pos = strcspn( psz_url, "/" );
679 i_pos++; /* skip the '/' */
680 *psz_file = strdup( psz_url + i_pos );
683 FREENULL( *psz_host );
691 /*****************************************************************************
692 * Handshake : Init audioscrobbler connection
693 *****************************************************************************/
694 static int Handshake( intf_thread_t *p_this )
696 char *psz_username, *psz_password;
698 char psz_timestamp[33];
700 struct md5_s p_struct_md5;
703 char *psz_handshake_url;
704 uint8_t p_buffer[1024];
710 intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
711 intf_sys_t *p_sys = p_this->p_sys;
713 psz_username = config_GetPsz( p_this, "lastfm-username" );
717 psz_password = config_GetPsz( p_this, "lastfm-password" );
720 free( psz_username );
724 /* username or password have not been setup */
725 if ( !*psz_username || !*psz_password )
727 free( psz_username );
728 free( psz_password );
734 /* generates a md5 hash of the password */
735 InitMD5( &p_struct_md5 );
736 AddMD5( &p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
737 EndMD5( &p_struct_md5 );
739 free( psz_password );
741 char *psz_password_md5 = psz_md5_hash( &p_struct_md5 );
742 if( !psz_password_md5 )
744 free( psz_username );
748 snprintf( psz_timestamp, 33, "%llu", (uintmax_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_Yield( p_this );
925 p_input = p_playlist->p_input;
929 pl_Release( p_playlist );
930 return( VLC_SUCCESS );
933 vlc_object_yield( p_input );
935 pl_Release( p_playlist );
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 ); \
955 vlc_mutex_lock( &p_sys->lock );
957 p_sys->b_meta_read = true;
959 ALLOC_ITEM_META( p_sys->p_current_song.psz_a, Artist )
962 vlc_mutex_unlock( &p_sys->lock );
963 msg_Dbg( p_this, "No artist.." );
964 vlc_object_release( p_input );
969 ALLOC_ITEM_META( p_sys->p_current_song.psz_t, Title )
972 vlc_mutex_unlock( &p_sys->lock );
973 msg_Dbg( p_this, "No track name.." );
974 vlc_object_release( p_input );
975 free( p_sys->p_current_song.psz_a );
980 /* Now we have read the mandatory meta data, so we can submit that info */
981 p_sys->b_submit = true;
983 ALLOC_ITEM_META( p_sys->p_current_song.psz_b, Album )
985 p_sys->p_current_song.psz_b = calloc( 1, 1 );
987 ALLOC_ITEM_META( p_sys->p_current_song.psz_m, TrackID )
989 p_sys->p_current_song.psz_m = calloc( 1, 1 );
991 p_sys->p_current_song.i_l = input_item_GetDuration( p_item ) / 1000000;
993 ALLOC_ITEM_META( p_sys->p_current_song.psz_n, TrackNum )
995 p_sys->p_current_song.psz_n = calloc( 1, 1 );
996 #undef ALLOC_ITEM_META
998 msg_Dbg( p_this, "Meta data registered" );
1000 vlc_mutex_unlock( &p_sys->lock );
1001 vlc_object_release( p_input );
1006 static void HandleInterval( mtime_t *next, unsigned int *i_interval )
1008 if( *i_interval == 0 )
1010 /* first interval is 1 minute */
1015 /* else we double the previous interval, up to 120 minutes */
1017 if( *i_interval > 120 )
1020 *next = mdate() + ( *i_interval * 1000000 * 60 );