New audioscrobbler/last.fm plugin by Rafaël Carré and Kenneth Ostby.

NEWS

@@ -18,6 +18,9 @@ Interfaces:
      - right/ctrl-click menu in video outputs
      - support for Apple's remote (courtesy Martin Kahr)
 
+Other plugins:
+ * Audioscrobbler / last.fm plugin
+
 Nix Port:
  * Notification plugin.
 

THANKS

@@ -89,6 +89,7 @@ John Paul Lorenti <jpl31 at columbia.edu> - ALSA device selection patch
 Jonas Larsen <jonas at vrt.dk> - Danish translation
 Julien Blache <jb at technologeek.org> - disc ejection code
 kty0ne - WinAmp 5 skin for VLC
+Kenneth Ostby <kenneo -at- idi -dot- ntnu -dot- no> - Audioscrobbler plugin
 Kevin H. Patterson <kevpatt at khptech dot com> - Theora framesize calculation patch by Kevin H. Patterson (kevpatt at khptech dot com
 K. Staring <qdk at quickdekay dot net> - RTSP rewind and fast-forward support
 Laurent Jonqueres <laurent_jonqueres at yahoo.fr> - Occitan localization
@@ -124,6 +125,7 @@ Pavlov Konstantin “thresh” - several Linux build system fixes
 Petr Vacek - FTP cleartext authentication
 Philippe Van Hecke <philippe at belnet dot be> - SAP header hash patch
 Pierre Marc Dumuid <pierre.dumuid at adelaide dot edu dot au> - Playlist patches
+Rafaël Carré <rafael -dot- carre -at- wanadoo -dot- fr> - Audioscrobbler plugin
 Régis Duchesne <regis at via.ecp.fr> - original VLC code
 Remco Poortinga <poortinga at telin.nl> - IPv6 multicast patch
 Rene Gollent <rgollent at u.arizona.edu> - BeOS interface fix

configure.ac

@@ -1549,8 +1549,15 @@ AS_IF([test "${enable_notify}" != "no"], [
       ])
   ])
 
+dnl
+dnl Audioscrobbler plugin
+dnl
 
-
+AC_ARG_ENABLE(audioscrobbler,
+  [  --enable-audioscrobbler Last.fm submission plugin (default enabled)])
+AS_IF([test "${enable_audioscrobbler}" != "no"], [
+        VLC_ADD_PLUGINS([audioscrobbler])
+  ])
 
 dnl
 dnl  Input plugins

modules/misc/Modules.am

@@ -11,3 +11,4 @@ SOURCES_vod_rtsp = rtsp.c
 SOURCES_gnutls = gnutls.c
 SOURCES_svg = svg.c
 SOURCES_profile_parser = profile_parser.c
+SOURCES_audioscrobbler = audioscrobbler.c

modules/misc/audioscrobbler.c

+/*****************************************************************************
+ * audioscrobbler.c : audioscrobbler submission plugin
+ *****************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Rafal Carr <rafael -dot- carre -at- wanadoo -dot- fr>
+ *          Kenneth Ostby <kenneo -at- idi -dot- ntnu -dot- no>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#define _GNU_SOURCE
+#include <string.h>
+
+#if !defined( strlwr ) && !defined( WIN32 )
+#include <ctype.h>
+#endif
+
+#if defined( WIN32 )
+#include <time.h>
+#endif
+/*
+ * TODO :
+ * review/replace :
+ *   hexa()
+ *   md5 to char[]
+ */
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+#include <vlc_meta.h>
+#include <vlc_md5.h>
+#include <vlc_block.h>
+#include <vlc_stream.h>
+#include <vlc_url.h>
+#include <network.h>
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+
+/* Keeps track of metadata to be submitted, and if song has been submitted */
+typedef struct audioscrobbler_song_t
+{
+    char        *psz_a;                /* track artist     */
+    char        *psz_t;                /* track title      */
+    char        *psz_b;                /* track album      */
+    int         i_l;                   /* track length     */
+/* vlc can't retrieve musicbrainz id, so let's ignore it   */
+/*  int         i_m;  */               /* musicbrainz id   */
+    char        *psz_i;                /* date             */
+    time_t      time_playing;          /* date (epoch)     */
+} audioscrobbler_song_t;
+
+
+/* Queue to be submitted to server, 10 songs max */
+typedef struct audioscrobbler_queue_t
+{
+    audioscrobbler_song_t   **p_queue;      /* contains up to 10 songs        */
+    int                     i_songs_nb;     /* number of songs                */
+    void                    *p_next_queue;  /* if queue full, pointer to next */
+} audioscrobbler_queue_t;
+
+struct intf_sys_t
+{
+    audioscrobbler_queue_t  *p_first_queue;     /* 1st queue              */
+    vlc_mutex_t             lock;               /* p_sys mutex            */
+
+/* data about audioscrobbler session */
+    int                     i_interval;         /* last interval recorded */
+    time_t                  time_last_interval; /* when was it recorded ? */
+    char                    *psz_submit_host;   /* where to submit data ? */
+    int                     i_submit_port;      /* at which port ?        */
+    char                    *psz_submit_file;   /* in which file ?        */
+    char                    *psz_username;      /* last.fm username       */
+    vlc_bool_t              b_handshaked;       /* did we handshake ?     */
+    int                     i_post_socket;      /* socket for submission  */
+    char                    *psz_response_md5;  /* md5 response to use    */
+
+/* data about input elements */
+    input_thread_t          *p_input;           /* previous p_input       */
+    audioscrobbler_song_t   *p_current_song;    /* song being played      */
+    time_t                  time_pause;         /* time when vlc paused   */
+    time_t                  time_total_pauses;  /* sum of time in pause   */
+    vlc_bool_t              b_queued;           /* has it been queud ?    */
+    vlc_bool_t              b_metadata_read;    /* did we read metadata ? */
+    vlc_bool_t              b_paused;           /* are we playing ?       */
+};
+
+intf_sys_t *p_sys_global;     /* for use same p_sys in all threads */
+
+static int  Open    ( vlc_object_t * );
+static void Close   ( vlc_object_t * );
+static void Run     ( intf_thread_t * );
+static int ItemChange   ( vlc_object_t *, const char *,
+                        vlc_value_t, vlc_value_t, void * );
+static int PlayingChange( vlc_object_t *, const char *,
+                        vlc_value_t, vlc_value_t, void * );
+static int AddToQueue   ( intf_thread_t *p_this );
+static int Handshake    ( intf_thread_t *p_sd );
+static int ReadMetaData ( intf_thread_t *p_this );
+void DeleteQueue( audioscrobbler_queue_t *p_queue );
+char *hexa( short int i );
+
+#if !defined(strlwr) && !defined( WIN32 )
+char* strlwr(char *psz_string);
+#endif
+
+/*****************************************************************************
+ * Module descriptor
+ ****************************************************************************/
+
+
+#define APPLICATION_NAME "VLC media player"
+#define USERNAME_TEXT N_("Username")
+#define USERNAME_LONGTEXT N_("Audioscrobbler username")
+#define PASSWORD_TEXT N_("Password")
+#define PASSWORD_LONGTEXT N_("Audioscrobbler password")
+#define DEFAULT_INTERVAL 60
+#define CLIENT_NAME     PACKAGE
+#define CLIENT_VERSION  VERSION
+
+/* HTTP POST request : to submit data */
+#define    POST_REQUEST "POST /%s HTTP/1.1\n"                               \
+                        "Accept-Encoding: identity\n"                       \
+                        "Content-length: %d\n"                              \
+                        "Connection: close\n"                               \
+                        "Content-type: application/x-www-form-urlencoded\n" \
+                        "Host: %s\n"                                        \
+                        "User-agent: VLC Media Player/%s\r\n"               \
+                        "\r\n"                                              \
+                        "%s\r\n"                                            \
+                        "\r\n"
+
+/* data to submit */
+#define POST_DATA "u=%s&s=%s&a%%5B%d%%5D=%s&t%%5B%d%%5D=%s" \
+                  "&b%%5B%d%%5D=%s&m%%5B%d%%5D=&l%%5B%d%%5D=%d&i%%5B%d%%5D=%s"
+
+vlc_module_begin();
+    set_category( CAT_INTERFACE );
+    set_subcategory( SUBCAT_INTERFACE_CONTROL );
+    set_shortname( N_( "Audioscrobbler" ) );
+    set_description( _("Audioscrobbler submission Plugin") );
+    add_string( "lastfm-username", "", NULL,
+                USERNAME_TEXT, USERNAME_LONGTEXT, VLC_TRUE );
+    add_string( "lastfm-password", "", NULL,
+                PASSWORD_TEXT, PASSWORD_LONGTEXT, VLC_TRUE );
+    set_capability( "interface", 0 );
+    set_callbacks( Open, Close );
+vlc_module_end();
+
+/*****************************************************************************
+ * Open: initialize and create stuff
+ *****************************************************************************/
+
+static int Open( vlc_object_t *p_this )
+{
+    intf_thread_t       *p_intf;
+    intf_sys_t          *p_sys;
+    playlist_t          *p_playlist;
+
+    p_intf = ( intf_thread_t* ) p_this;
+    p_sys = malloc( sizeof( intf_sys_t ) );
+    if( !p_sys )
+    {
+      goto error;
+    }
+
+    vlc_mutex_init( p_this, &p_sys->lock );
+
+    p_sys_global = p_sys;
+    p_sys->psz_submit_host = NULL;
+    p_sys->psz_submit_file = NULL;
+    p_sys->b_handshaked = VLC_FALSE;
+    p_sys->i_interval = 0;
+    p_sys->time_last_interval = time( NULL );
+    p_sys->psz_username = NULL;
+    p_sys->p_input = NULL;
+    p_sys->b_paused = VLC_FALSE;
+
+    /* md5 response is 32 chars, + final \0 */
+    p_sys->psz_response_md5 = malloc( sizeof( char ) * 33 );
+    if( !p_sys->psz_response_md5 )
+    {
+        vlc_mutex_destroy ( &p_sys->lock );
+        goto error;
+   }
+
+    p_sys->p_first_queue = malloc( sizeof( audioscrobbler_queue_t ) );
+    if( !p_sys->p_first_queue )
+    {
+        vlc_mutex_destroy( &p_sys->lock );
+        goto error;
+    }
+
+    p_sys->p_current_song = malloc( sizeof( audioscrobbler_song_t ) );
+    if( !p_sys->p_current_song )
+    {
+        vlc_mutex_destroy( &p_sys->lock );
+        goto error;
+    }
+
+    /* queues can't contain more than 10 songs */
+    p_sys->p_first_queue->p_queue =
+        malloc( 10 * sizeof( audioscrobbler_song_t ) );
+    if( !p_sys->p_current_song )
+    {
+        vlc_mutex_destroy( &p_sys->lock );
+        goto error;
+    }
+
+    p_sys->p_first_queue->i_songs_nb = 0;
+    p_sys->p_first_queue->p_next_queue = NULL;
+
+    p_playlist = pl_Yield( p_intf );
+    var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
+    pl_Release( p_playlist );
+
+    p_intf->pf_run = Run;
+
+    return VLC_SUCCESS;
+
+error:
+    free( p_sys->p_current_song );
+    free( p_sys->p_first_queue );
+    free( p_sys->psz_response_md5 );
+    free( p_sys );
+
+    return VLC_ENOMEM;
+}
+
+/*****************************************************************************
+ * Close: destroy interface stuff
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+    intf_thread_t               *p_intf;
+    intf_sys_t                  *p_sys;
+    audioscrobbler_queue_t      *p_current_queue, *p_next_queue;
+    playlist_t                  *p_playlist;
+
+    p_intf = ( intf_thread_t* ) p_this;
+    p_sys = p_intf->p_sys;
+
+    p_playlist = pl_Yield( p_intf );
+    var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
+    pl_Release( p_playlist );
+
+    vlc_mutex_lock ( &p_sys->lock );
+    p_current_queue = p_sys->p_first_queue;
+    vlc_mutex_unlock ( &p_sys->lock );
+
+    while( ( p_current_queue->i_songs_nb == 10 ) &&
+        ( p_current_queue->p_next_queue != NULL ) )
+    {
+        p_next_queue = p_current_queue->p_next_queue;
+        DeleteQueue( p_current_queue );
+        free( p_current_queue );
+        p_current_queue = p_next_queue;
+    }
+
+    DeleteQueue( p_current_queue );
+    free( p_current_queue );
+
+    vlc_mutex_lock ( &p_sys->lock );
+    if ( p_sys->psz_username )
+    {
+        free( p_sys->psz_username );
+    }
+
+    free( p_sys->p_current_song );
+    vlc_mutex_unlock ( &p_sys->lock );
+    vlc_mutex_destroy( &p_sys->lock );
+    free( p_sys );
+}
+
+/*****************************************************************************
+ * Run : Handshake with audioscrobbler, then submit songs
+ *****************************************************************************/
+static void Run( intf_thread_t *p_this )
+{
+    char                    *psz_submit_string = NULL;
+    int                     i_handshake;
+    int                     i_netprintf;
+    int                     i_song;
+    playlist_t              *p_playlist;
+    uint8_t                 *p_buffer = NULL;
+    char                    *p_buffer_pos = NULL;
+    time_t                  played_time;
+    audioscrobbler_queue_t  *p_first_queue;
+    intf_sys_t              *p_sys;
+
+    p_this->p_sys = p_sys_global;
+    p_sys = p_this->p_sys;
+    while( !p_this->b_die )
+    {
+        if( p_sys->b_handshaked == VLC_FALSE )
+        {
+            if ( time( NULL ) >=
+                ( p_sys->time_last_interval + p_sys->i_interval ) )
+            {
+                msg_Dbg( p_this, "Handshaking with last.fm ..." );
+                i_handshake = Handshake( p_this );
+
+                if( i_handshake == VLC_ENOMEM )
+                {
+                    msg_Err( p_this, "Out of memory" );
+                    return;
+                }
+
+                else if( i_handshake == VLC_ENOVAR )
+                /* username not set */
+                {
+                    msg_Dbg( p_this, "Set an username then restart vlc" );
+                    vlc_mutex_unlock ( &p_sys->lock );
+                    return;
+                }
+
+                else if( i_handshake == VLC_SUCCESS )
+                {
+                    msg_Dbg( p_this, "Handshake successfull :)" );
+                    vlc_mutex_lock ( &p_sys->lock );
+                    p_sys->b_handshaked = VLC_TRUE;
+                    vlc_mutex_unlock ( &p_sys->lock );
+                }
+
+                else
+                {
+                    vlc_mutex_lock ( &p_sys->lock );
+                    p_sys->i_interval = DEFAULT_INTERVAL;
+                    time( &p_sys->time_last_interval );
+                    vlc_mutex_unlock ( &p_sys->lock );
+                }
+            }
+        }
+
+        else
+        {
+            if ( ( p_sys->p_first_queue->i_songs_nb > 0 ) &&
+                ( time( NULL ) >=
+                ( p_sys->time_last_interval + p_sys->i_interval )  ) )
+            {
+                msg_Dbg( p_this, "Going to submit some data..." );
+                vlc_mutex_lock ( &p_sys->lock );
+                psz_submit_string = malloc( 2048 * sizeof( char ) );
+
+                if (!psz_submit_string)
+                {
+                    msg_Err( p_this, "Out of memory" );
+                    vlc_mutex_unlock ( &p_sys->lock );
+                    return;
+                }
+
+                for (i_song = 0; i_song < p_sys->p_first_queue->i_songs_nb ;
+                    i_song++ )
+                {
+                    snprintf( psz_submit_string, 2048, POST_DATA,
+                        p_sys->psz_username, p_sys->psz_response_md5,
+                        i_song, p_sys->p_first_queue->p_queue[i_song]->psz_a,
+                        i_song, p_sys->p_first_queue->p_queue[i_song]->psz_t,
+                        i_song, p_sys->p_first_queue->p_queue[i_song]->psz_b,
+                        i_song,
+                        i_song, p_sys->p_first_queue->p_queue[i_song]->i_l,
+                        i_song, p_sys->p_first_queue->p_queue[i_song]->psz_i
+                    );
+                }
+
+                p_sys->i_post_socket = net_ConnectTCP( p_this,
+                    p_sys->psz_submit_host, p_sys->i_submit_port);
+
+                i_netprintf = net_Printf(
+                    VLC_OBJECT(p_this), p_sys->i_post_socket, NULL,
+                    POST_REQUEST, p_sys->psz_submit_file,
+                    strlen( psz_submit_string), p_sys->psz_submit_file,
+                    VERSION, psz_submit_string
+                );
+
+                if ( i_netprintf == -1 )
+                {
+                /* If connection fails, we assume we must handshake again */
+                    p_sys->i_interval = DEFAULT_INTERVAL;
+                    time( &p_sys->time_last_interval );
+                    p_sys->b_handshaked = VLC_FALSE;
+                    vlc_mutex_unlock ( &p_sys->lock );
+                    return;
+                }
+
+                p_buffer = ( uint8_t* ) calloc( 1, 1024 );
+                if ( !p_buffer )
+                {
+                    msg_Err( p_this, "Out of memory" );
+                    vlc_mutex_unlock ( &p_sys->lock );
+                    return;
+                }
+
+                net_Read( p_this, p_sys->i_post_socket, NULL,
+                          p_buffer, 1024, VLC_FALSE );
+                net_Close( p_sys->i_post_socket );
+
+                p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" );
+
+                if ( p_buffer_pos )
+                {
+                    p_sys->i_interval = atoi( p_buffer_pos +
+                                              strlen( "INTERVAL " ) );
+                    time( &p_sys->time_last_interval );
+                }
+
+                p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
+
+                if ( p_buffer_pos )
+                {
+                    msg_Err( p_this, p_buffer_pos );
+                    vlc_mutex_unlock ( &p_sys->lock );
+                    return;
+                }
+
+                p_buffer_pos = strstr( ( char * ) p_buffer, "BADAUTH" );
+
+                if ( p_buffer_pos )
+                {
+                    msg_Err( p_this,
+                             "Authentification failed, handshaking again" );
+                    p_sys->b_handshaked = VLC_FALSE;
+                    vlc_mutex_unlock ( &p_sys->lock );
+                    return;
+                }
+
+                p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
+
+                if ( p_buffer_pos )
+                {
+                    if ( p_sys->p_first_queue->i_songs_nb == 10 )
+                    {
+                        p_first_queue = p_sys->p_first_queue->p_next_queue;
+                        DeleteQueue( p_sys->p_first_queue );
+                        free( p_sys->p_first_queue );
+                        p_sys->p_first_queue = p_first_queue;
+                    }
+                    else
+                    {
+                        DeleteQueue( p_sys->p_first_queue );
+                        p_sys->p_first_queue->i_songs_nb = 0;
+                    }
+                    msg_Dbg( p_this, "Submission successfull!" );
+                }
+                vlc_mutex_unlock ( &p_sys->lock );
+            }
+        }
+        msleep( INTF_IDLE_SLEEP );
+
+        p_playlist = pl_Yield( p_this );
+        PL_LOCK;
+        if( p_playlist->request.i_status == PLAYLIST_STOPPED )
+        {
+            PL_UNLOCK;
+            /* if we stopped, we won't submit playing song */
+            vlc_mutex_lock( &p_sys->lock );
+            p_sys->b_queued = VLC_TRUE;
+            p_sys->b_metadata_read = VLC_TRUE;
+            vlc_mutex_unlock( &p_sys->lock );
+        }
+
+        pl_Release( p_playlist );
+        vlc_mutex_lock( &p_sys->lock );
+
+        if( p_sys->b_metadata_read == VLC_FALSE )
+        {
+            time( &played_time );
+            played_time -= p_sys->p_current_song->time_playing;
+            played_time -= p_sys->time_total_pauses;
+
+
+            vlc_mutex_unlock( &p_sys->lock );
+
+            /* ok now we can read meta data */
+            if( played_time > 10 )
+            {
+                ReadMetaData( p_this );
+            }
+        }
+        else
+        {
+            if( ( p_sys->b_queued == VLC_FALSE )
+                && ( p_sys->b_paused == VLC_FALSE ) )
+            {
+                vlc_mutex_unlock( &p_sys->lock );
+                if( AddToQueue( p_this ) == VLC_ENOMEM )
+                {
+                    msg_Err( p_this, "Out of memory" );
+                    return;
+                }
+            }
+            else
+            {
+                vlc_mutex_unlock( &p_sys->lock );
+            }
+        }
+    }
+}
+
+/*****************************************************************************
+ * PlayingChange: Playing status change callback
+ *****************************************************************************/
+static int PlayingChange( vlc_object_t *p_this, const char *psz_var,
+                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    intf_thread_t       *p_intf;
+    intf_sys_t          *p_sys;
+
+    p_intf = ( intf_thread_t* ) p_data;
+    p_sys = p_intf->p_sys;
+
+    (void)p_this; (void)psz_var; (void)oldval;
+
+    vlc_mutex_lock( &p_sys->lock );
+
+    if( newval.i_int == PAUSE_S )
+    {
+        time( &p_sys->time_pause );
+        p_sys->b_paused = VLC_TRUE;
+    }
+
+    if( newval.i_int == PLAYING_S )
+    {
+        p_sys->time_total_pauses += time( NULL ) - p_sys->time_pause;
+        p_sys->b_paused = VLC_TRUE;
+    }
+
+    vlc_mutex_unlock( &p_sys->lock );
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * ItemChange: Playlist item change callback
+ *****************************************************************************/
+static int ItemChange( vlc_object_t *p_this, const char *psz_var,
+                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+    playlist_t          *p_playlist;
+    input_thread_t      *p_input = NULL;
+    intf_thread_t       *p_intf;
+    intf_sys_t          *p_sys;
+
+    time_t              epoch;
+    struct tm           *epoch_tm;
+
+    char                psz_date[20];
+
+    (void)p_this; (void)psz_var; (void)oldval; (void)newval;
+
+    p_intf = ( intf_thread_t* ) p_data;
+    p_sys = p_intf->p_sys;
+
+    vlc_mutex_lock ( &p_sys->lock );
+
+    if ( p_sys->p_input )
+    {
+        /* we delete the callback for the old p_input */
+        var_DelCallback( p_sys->p_input, "state", PlayingChange, p_intf );
+    }
+
+    vlc_mutex_unlock ( &p_sys->lock );
+
+    p_playlist = pl_Yield( p_intf );
+    PL_LOCK;
+    p_input = p_playlist->p_input;
+
+    if( !p_input )
+    {
+        PL_UNLOCK;
+        pl_Release( p_playlist );
+        vlc_mutex_lock( &p_sys->lock );
+
+        /* we won't read p_input */
+        p_sys->b_queued = VLC_TRUE;
+        p_sys->b_metadata_read = VLC_TRUE;
+
+        vlc_mutex_unlock( &p_sys->lock );
+        return VLC_SUCCESS;
+    }
+
+    vlc_object_yield( p_input );
+    PL_UNLOCK;
+    pl_Release( p_playlist );
+
+    var_AddCallback( p_input, "state", PlayingChange, p_intf );
+
+    vlc_mutex_lock ( &p_sys->lock );
+
+    /* reset pause counter */
+    p_sys->time_total_pauses = 0;
+
+    /* we save the p_input value to delete the callback later */
+    p_sys->p_input = p_input;
+
+    /* we'll read after to be sure it's present */
+    p_sys->b_metadata_read = VLC_FALSE;
+
+    p_sys->b_queued = VLC_TRUE;
+
+    time( &epoch );
+    epoch_tm = gmtime( &epoch );
+    snprintf( psz_date, 20, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d",
+        epoch_tm->tm_year+1900, epoch_tm->tm_mon+1, epoch_tm->tm_mday,
+        epoch_tm->tm_hour, epoch_tm->tm_min, epoch_tm->tm_sec );
+
+    p_sys->p_current_song->psz_i = encode_URI_component( psz_date );
+    p_sys->p_current_song->time_playing = epoch;
+
+    p_sys->b_paused = ( p_input->b_dead || !p_input->input.p_item->psz_name )
+                      ? VLC_TRUE : VLC_FALSE;
+
+    vlc_mutex_unlock( &p_sys->lock );
+
+    vlc_object_release( p_input );
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * AddToQueue: Add the played song to the queue to be submitted
+ *****************************************************************************/
+static int AddToQueue ( intf_thread_t *p_this )
+{
+    int                         i_songs_nb;
+    time_t                      played_time;
+    audioscrobbler_queue_t      *p_queue = NULL, *p_next_queue = NULL;
+    intf_sys_t                  *p_sys;
+
+    p_sys = p_this->p_sys;
+
+    /* has it been queued already ? is it long enough ? */
+    vlc_mutex_lock( &p_sys->lock );
+    if( p_sys->p_current_song->i_l < 30 )
+    {
+        msg_Dbg( p_this, "Song too short (< 30s) -> not submitting" );
+        p_sys->b_queued = VLC_TRUE;
+        vlc_mutex_unlock ( &p_sys->lock );
+        return VLC_SUCCESS;
+    }
+
+    /* wait for the user to listen enough before submitting */
+    time ( &played_time );
+    played_time -= p_sys->p_current_song->time_playing;
+    played_time -= p_sys->time_total_pauses;
+
+    if( ( played_time < 240 )
+        && ( played_time < ( p_sys->p_current_song->i_l / 2 ) ) )
+    {
+        vlc_mutex_unlock ( &p_sys->lock );
+        return VLC_SUCCESS;
+    }
+
+    msg_Dbg( p_this, "Ok. We'll put it in the queue for submission" );
+
+    p_queue = p_sys->p_first_queue;
+
+    while( ( p_queue->i_songs_nb == 10 ) && ( p_queue->p_next_queue != NULL ) )
+    {
+        p_queue = p_queue->p_next_queue;
+    }
+
+    i_songs_nb = p_queue->i_songs_nb;
+
+    if( i_songs_nb == 10 )
+    {
+        p_next_queue = malloc( sizeof( audioscrobbler_queue_t ) );
+        if( !p_next_queue )
+        {
+            vlc_mutex_unlock ( &p_sys->lock );
+            return VLC_ENOMEM;
+        }
+        p_queue->p_next_queue = p_next_queue;
+        i_songs_nb = 0;
+        p_queue = p_next_queue;
+        p_queue->i_songs_nb = i_songs_nb;
+    }
+
+    p_queue->p_queue[i_songs_nb] = malloc( sizeof( audioscrobbler_song_t ) );
+
+    p_queue->p_queue[i_songs_nb]->i_l = p_sys->p_current_song->i_l;
+
+    p_queue->p_queue[i_songs_nb]->psz_a =
+        strdup( p_sys->p_current_song->psz_a );
+
+    p_queue->p_queue[i_songs_nb]->psz_t =
+        strdup( p_sys->p_current_song->psz_t );
+
+    p_queue->p_queue[i_songs_nb]->psz_b =
+        strdup( p_sys->p_current_song->psz_b );
+
+    p_queue->p_queue[i_songs_nb]->psz_i =
+        strdup( p_sys->p_current_song->psz_i );
+
+    p_queue->i_songs_nb++;
+    p_sys->b_queued = VLC_TRUE;
+
+    vlc_mutex_unlock( &p_sys->lock );
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Handshake : Init audioscrobbler connection
+ *****************************************************************************/
+static int Handshake( intf_thread_t *p_this )
+{
+    char                *psz_password = NULL;
+    struct md5_s        *p_struct_md5 = NULL;
+    char                *psz_password_md5 = NULL;
+    char                *ps_challenge_md5 = NULL;
+
+    stream_t            *p_stream;
+    char                *psz_handshake_url = NULL;
+
+    uint8_t             *p_buffer = NULL;
+    char                *p_buffer_pos = NULL;
+    char                *psz_buffer_substring = NULL;
+    char                *psz_url_parser = NULL;
+    int                 i_url_pos, i;
+
+    char                *b1, *b2, *b3, *b4;
+
+    intf_thread_t       *p_intf;
+    intf_sys_t          *p_sys;
+
+    p_intf = ( intf_thread_t* ) p_this;
+    p_sys = p_this->p_sys;
+
+    vlc_mutex_lock ( &p_sys->lock );
+
+    p_sys->psz_username = config_GetPsz(p_this, "lastfm-username");
+    if ( !p_sys->psz_username )
+    {
+        goto memerror;
+    }
+
+
+    if ( !*p_sys->psz_username )
+    {
+        msg_Info( p_this, "You have to set an username! "
+         "Visit https://www.last.fm/join/" );
+        return VLC_ENOVAR;
+    }
+
+    psz_handshake_url = malloc( 1024 );
+    if ( !psz_handshake_url )
+    {
+        goto memerror;
+    }
+
+    snprintf( psz_handshake_url, 1024,
+        "http://post.audioscrobbler.com/?hs=true&p=1.1&c=%s&v=%s&u=%s",
+        CLIENT_NAME, CLIENT_VERSION, p_sys->psz_username );
+
+    p_stream = stream_UrlNew( p_intf, psz_handshake_url);
+
+    free( psz_handshake_url );
+
+    if( !p_stream )
+    {
+        p_sys->i_interval = DEFAULT_INTERVAL;
+        time( &p_sys->time_last_interval );
+        vlc_mutex_unlock ( &p_sys->lock );
+        return VLC_EGENERIC;
+    }
+
+    p_buffer = ( uint8_t* ) calloc( 1, 1024 );
+    if ( !p_buffer )
+    {
+        stream_Delete( p_stream );
+        goto memerror;
+    }
+
+    if ( stream_Read( p_stream, p_buffer, 1024 ) == 0 )
+    {
+        stream_Delete( p_stream );
+        free( p_buffer );
+        vlc_mutex_unlock ( &p_sys->lock );
+        return VLC_EGENERIC;
+    }
+
+    stream_Delete( p_stream );
+
+    p_buffer_pos = strstr( ( char * ) p_buffer, "INTERVAL" );
+
+    if ( p_buffer_pos )
+    {
+        p_sys->i_interval = atoi( p_buffer_pos + strlen( "INTERVAL " ) );
+        time( &p_sys->time_last_interval );
+    }
+
+    p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
+
+    if ( p_buffer_pos )
+    {
+        msg_Info( p_this, p_buffer_pos );
+        free( p_buffer );
+        vlc_mutex_unlock ( &p_sys->lock );
+        return VLC_EGENERIC;
+    }
+
+    p_buffer_pos = strstr( ( char * ) p_buffer, "BADUSER" );
+
+    if ( p_buffer_pos )
+    {
+        msg_Info( p_intf, "Username is incorrect" );
+        free( p_buffer );
+        vlc_mutex_unlock ( &p_sys->lock );
+        return VLC_EGENERIC;
+    }
+
+    p_buffer_pos = strstr( ( char * ) p_buffer, "UPDATE" );
+
+    if ( p_buffer_pos )
+    {
+        msg_Dbg( p_intf, "Protocol updated" );
+        msg_Dbg( p_intf, p_buffer_pos );
+    }
+
+    else
+    {
+        p_buffer_pos = strstr( ( char * ) p_buffer, "UPTODATE" );
+        if ( !p_buffer_pos )
+        {
+            msg_Dbg( p_intf, "Protocol error" );
+            free( p_buffer );
+            vlc_mutex_unlock ( &p_sys->lock );
+            return VLC_EGENERIC;
+        }
+    }
+
+    psz_buffer_substring = strndup( strstr( p_buffer_pos, "\n" ) + 1, 32 );
+    if ( !psz_buffer_substring )
+    {
+        goto memerror;
+    }
+    else
+    {
+        ps_challenge_md5 = malloc( sizeof( char ) * 32 );
+        if ( !ps_challenge_md5 )
+        {
+            goto memerror;
+        }
+        memcpy( ps_challenge_md5, psz_buffer_substring, 32 );
+        free( psz_buffer_substring );
+    }
+
+    p_buffer_pos = ( void* ) strstr( ( char* ) p_buffer, "http://" );
+
+    if ( p_sys->psz_submit_host != NULL )
+    {
+        free( p_sys->psz_submit_host );
+    }
+
+    if ( p_sys->psz_submit_file != NULL )
+    {
+        free( p_sys->psz_submit_file );
+    }
+
+    psz_url_parser = p_buffer_pos + strlen( "http://" );
+
+    i_url_pos = strcspn( psz_url_parser, ":" );
+    p_sys->psz_submit_host = strndup( psz_url_parser, i_url_pos );
+
+    p_sys->i_submit_port = atoi( psz_url_parser + i_url_pos + 1 );
+
+    psz_url_parser += strcspn( psz_url_parser , "/" ) + 1;
+    i_url_pos = strcspn( psz_url_parser, "\n" );
+    p_sys->psz_submit_file = strndup( psz_url_parser, i_url_pos );
+
+    free(p_buffer);
+
+    p_struct_md5 = malloc( sizeof( struct md5_s ) );
+    if( !p_struct_md5 )
+    {
+        goto memerror;
+    }
+
+    psz_password = config_GetPsz(p_this, "lastfm-password");
+    if ( !psz_password )
+    {
+         goto memerror;
+    }
+
+    InitMD5( p_struct_md5 );
+    AddMD5( p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
+    EndMD5( p_struct_md5 );
+
+    free( psz_password );
+
+    psz_password_md5 = malloc ( 33 * sizeof( char ) );
+    if ( !psz_password_md5 )
+    {
+        goto memerror;
+    }
+
+    for ( i = 0; i < 4; i++ )
+    {
+    /* TODO check that this works on every arch/platform (uint32_t to char) */
+        b1 = hexa( p_struct_md5->p_digest[i] % 256 );
+        b2 = hexa( ( p_struct_md5->p_digest[i] / 256 ) % 256 );
+        b3 = hexa( ( p_struct_md5->p_digest[i] / 65536 ) % 256 );
+        b4 = hexa( p_struct_md5->p_digest[i] / 16777216 );
+        sprintf( &psz_password_md5[8*i], "%s%s%s%s", b1, b2, b3, b4 );
+        free( b1 );
+        free( b2 );
+        free( b3 );
+        free( b4 );
+    }
+
+    strlwr( psz_password_md5 );
+
+    InitMD5( p_struct_md5 );
+    AddMD5( p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
+    AddMD5( p_struct_md5, ( uint8_t* ) ps_challenge_md5, 32 );
+    EndMD5( p_struct_md5 );
+
+    free( ps_challenge_md5 );
+    free( psz_password_md5 );
+
+    for ( i = 0; i < 4; i++ )
+    {
+        b1 = hexa( p_struct_md5->p_digest[i] % 256 );
+        b2 = hexa( ( p_struct_md5->p_digest[i] / 256 ) % 256 );
+        b3 = hexa( ( p_struct_md5->p_digest[i] / 65536 ) % 256 );
+        b4 = hexa( p_struct_md5->p_digest[i] / 16777216 );
+        sprintf( &p_sys->psz_response_md5[8*i],"%s%s%s%s", b1, b2, b3, b4 );
+        free( b1 );
+        free( b2 );
+        free( b3 );
+        free( b4 );
+    }
+
+    p_sys->psz_response_md5[32] = 0;
+
+    strlwr( p_sys->psz_response_md5 );
+
+    vlc_mutex_unlock ( &p_sys->lock );
+
+    return VLC_SUCCESS;
+
+memerror:
+    free( p_buffer );
+    free( p_struct_md5 );
+    free( psz_buffer_substring );
+
+    vlc_mutex_unlock ( &p_sys->lock );
+    return VLC_ENOMEM;
+}
+
+/*****************************************************************************
+ * hexa : Converts a byte to a string in its hexadecimal value
+ *****************************************************************************/
+char *hexa( short int i )
+{
+    char        *res = calloc( 3 , sizeof( char ) );
+
+    ((i/16) < 10) ? res[0] = (i / 16) + '0' : ( res[0] = (i/16) + 'a' - 10 );
+    ((i%16) < 10) ? res[1] = (i % 16) + '0' : ( res[1] = (i%16) + 'a' - 10 );
+
+    return res;
+}
+/*****************************************************************************
+ * strlwr : Converts a string to lower case
+ *****************************************************************************/
+#if !defined(strlwr) && !defined( WIN32 )
+char* strlwr(char *psz_string)
+{
+    while ( *psz_string )
+    {
+        *psz_string++ = tolower( *psz_string );
+    }
+    return psz_string;
+}
+#endif
+
+/*****************************************************************************
+ * DeleteQueue : Free all songs from an audioscrobbler_queue_t
+ *****************************************************************************/
+void DeleteQueue( audioscrobbler_queue_t *p_queue )
+{
+    int     i;
+
+    for( i = 0; i < p_queue->i_songs_nb; i++ )
+    {
+        free( p_queue->p_queue[i]->psz_a );
+        free( p_queue->p_queue[i]->psz_b );
+        free( p_queue->p_queue[i]->psz_t );
+        free( p_queue->p_queue[i]->psz_i );
+        free( p_queue->p_queue[i] );
+    }
+}
+
+/*****************************************************************************
+ * ReadMetaData : Puts current song's meta data in p_sys->p_current_song
+ *****************************************************************************/
+static int ReadMetaData( intf_thread_t *p_this )
+{
+    playlist_t          *p_playlist;
+    char                *psz_title = NULL;
+    char                *psz_artist = NULL;
+    char                *psz_album = NULL;
+    int                 i_length = -1;
+    input_thread_t      *p_input = NULL;
+    vlc_value_t         video_val;
+    intf_sys_t          *p_sys;
+
+    p_sys = p_this->p_sys;
+    p_playlist = pl_Yield( p_this );
+    PL_LOCK;
+    p_input = p_playlist->p_input;
+
+    if( !p_input )
+    {
+        return VLC_SUCCESS;
+    }
+
+    vlc_object_yield( p_input );
+    PL_UNLOCK;
+    pl_Release( p_playlist );
+
+    if ( p_input->input.p_item->i_type == ITEM_TYPE_NET )
+    {
+        msg_Dbg( p_this, "We play a stream -> no submission");
+        goto no_submission;
+    }
+
+    var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
+    if( video_val.i_int > 0 )
+    {
+        msg_Dbg( p_this, "We play a video -> no submission");
+        goto no_submission;
+    }
+
+    if ( p_input->input.p_item->p_meta->psz_artist )
+    {
+        psz_artist = encode_URI_component(
+            p_input->input.p_item->p_meta->psz_artist );
+        if ( !psz_artist )
+        {
+            goto error;
+        }
+    }
+    else
+    {
+        msg_Dbg( p_this, "No artist.." );
+        goto no_submission;
+    }
+
+    if ( p_input->input.p_item->p_meta->psz_album )
+    {
+        psz_album = encode_URI_component(
+            p_input->input.p_item->p_meta->psz_album );
+        if ( !psz_album )
+        {
+            goto error;
+        }
+    }
+    else
+    {
+        msg_Dbg( p_this, "No album.." );
+        goto no_submission;
+    }
+
+    if ( p_input->input.p_item->psz_name )
+    {
+        psz_title = encode_URI_component( p_input->input.p_item->psz_name );
+        if ( !psz_title )
+        {
+            goto error;
+        }
+    }
+    else
+    {
+        msg_Dbg( p_this, "No track name.." );
+        goto no_submission;
+    }
+
+    i_length = p_input->input.p_item->i_duration / 1000000;
+
+    vlc_object_release( p_input );
+
+    vlc_mutex_lock ( &p_sys->lock );
+
+    p_sys->p_current_song->psz_a = strdup( psz_artist );
+    p_sys->p_current_song->psz_t = strdup( psz_title );
+    p_sys->p_current_song->psz_b = strdup( psz_album );
+    p_sys->p_current_song->i_l = i_length;
+    p_sys->b_queued = VLC_FALSE;
+    p_sys->b_metadata_read = VLC_TRUE;
+
+    vlc_mutex_unlock ( &p_sys->lock );
+
+    msg_Dbg( p_this, "Meta data registered, waiting to be queued" );
+
+    free( psz_title );
+    free( psz_artist );
+    free( psz_album );
+
+    return VLC_SUCCESS;
+
+error:
+    free( psz_artist );
+    free( psz_album );
+    free( psz_title );
+    return VLC_ENOMEM;
+
+no_submission:
+    vlc_object_release( p_input );
+
+    free( psz_title );
+    free( psz_artist );
+    free( psz_album );
+
+    vlc_mutex_lock( &p_sys->lock );
+    p_sys->b_queued = VLC_TRUE;
+    p_sys->b_metadata_read = VLC_TRUE;
+    vlc_mutex_unlock( &p_sys->lock );
+
+    return VLC_SUCCESS;
+}