--- /dev/null
+/*****************************************************************************
+ * audioscrobbler.c : audioscrobbler submission plugin
+ *****************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Rafaël Carré <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;
+}
projects / vlc / commitdiff