1 /*****************************************************************************
2 * growl.c : growl notification plugin
3 *****************************************************************************
4 * Copyright (C) 2006 the VideoLAN team
7 * Authors: Jérôme Decoodt <djc -at- videolan -dot- org>
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 /*****************************************************************************
26 *****************************************************************************/
27 #include <stdlib.h> /* malloc(), free() */
36 /*****************************************************************************
38 *****************************************************************************/
39 static int Open ( vlc_object_t * );
40 static void Close ( vlc_object_t * );
41 static void Run ( intf_thread_t * );
43 static int ItemChange( vlc_object_t *, const char *,
44 vlc_value_t, vlc_value_t, void * );
46 static int RegisterToGrowl( vlc_object_t *p_this );
47 static int NotifyToGrowl( vlc_object_t *p_this, char *psz_type,
48 char *psz_title, char *psz_desc );
49 static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset );
50 #define GROWL_MAX_LENGTH 256
52 /*****************************************************************************
54 *****************************************************************************
55 * This module should be used on windows with MSN (i think that you need to
56 * have MSN 7 or newer) to "advertise" what you are playing in VLC.
57 * You need to enable the "What I'm Listening To" option in MSN.
58 *****************************************************************************/
59 #define SERVER_DEFAULT "127.0.0.1"
60 #define SERVER_TEXT N_("Growl server")
61 #define SERVER_LONGTEXT N_("Growl server receiving notifications.")
62 #define PASS_DEFAULT ""
63 #define PASS_TEXT N_("Growl password")
64 #define PASS_LONGTEXT N_("Growl password on the server.")
65 #define PORT_TEXT N_("Growl UDP port")
66 #define PORT_LONGTEXT N_("Growl UPD port on the server.")
67 #define TTL_TEXT N_("Growl TTL")
68 #define TTL_LONGTEXT N_("Growl TTL.")
71 set_category( CAT_INTERFACE );
72 set_subcategory( SUBCAT_INTERFACE_CONTROL );
73 set_shortname( N_( "growl" ) );
74 set_description( _("Growl Notification Plugin") );
76 add_string( "growl-server", SERVER_DEFAULT, NULL,
77 SERVER_TEXT, SERVER_LONGTEXT, VLC_FALSE );
78 add_string( "growl-password", PASS_DEFAULT, NULL,
79 PASS_TEXT, PASS_LONGTEXT, VLC_FALSE );
80 add_integer( "growl-port", 9887, NULL,
81 PORT_TEXT, PORT_LONGTEXT, VLC_TRUE );
82 add_integer( "growl-ttl", 12, NULL,
83 TTL_TEXT, TTL_LONGTEXT, VLC_TRUE );
85 set_capability( "interface", 0 );
86 set_callbacks( Open, Close );
89 /*****************************************************************************
90 * Open: initialize and create stuff
91 *****************************************************************************/
92 static int Open( vlc_object_t *p_this )
94 intf_thread_t *p_intf = (intf_thread_t *)p_this;
96 playlist_t *p_playlist = (playlist_t *)vlc_object_find(
97 p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
101 msg_Err( p_intf, "could not find playlist object" );
105 var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
106 vlc_object_release( p_playlist );
108 RegisterToGrowl( p_this );
109 p_intf->pf_run = Run;
114 /*****************************************************************************
115 * Close: destroy interface stuff
116 *****************************************************************************/
117 static void Close( vlc_object_t *p_this )
119 playlist_t *p_playlist = (playlist_t *)vlc_object_find(
120 p_this, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
124 var_DelCallback( p_playlist, "playlist-current", ItemChange, p_this );
125 vlc_object_release( p_playlist );
129 /*****************************************************************************
131 *****************************************************************************/
132 static void Run( intf_thread_t *p_intf )
134 msleep( INTF_IDLE_SLEEP );
137 /*****************************************************************************
138 * ItemChange: Playlist item change callback
139 *****************************************************************************/
140 static int ItemChange( vlc_object_t *p_this, const char *psz_var,
141 vlc_value_t oldval, vlc_value_t newval, void *param )
143 char psz_tmp[GROWL_MAX_LENGTH];
144 playlist_t *p_playlist;
145 char *psz_title = NULL;
146 char *psz_artist = NULL;
147 char *psz_album = NULL;
148 input_thread_t *p_input;
150 p_playlist = (playlist_t *)vlc_object_find( p_this, VLC_OBJECT_INPUT,
152 if( !p_playlist ) return VLC_EGENERIC;
154 p_input = p_playlist->p_input;
155 vlc_object_release( p_playlist );
156 if( !p_input ) return VLC_SUCCESS;
157 vlc_object_yield( p_input );
159 if( p_input->b_dead || !p_input->input.p_item->psz_name )
161 /* Not playing anything ... */
162 vlc_object_release( p_input );
166 /* Playing something ... */
167 psz_artist = vlc_input_item_GetInfo( p_input->input.p_item,
168 _("Meta-information"),
169 _(VLC_META_ARTIST) );
170 psz_album = vlc_input_item_GetInfo( p_input->input.p_item,
171 _("Meta-information"),
172 _("Album/movie/show title" ) );
173 psz_title = strdup( p_input->input.p_item->psz_name );
174 if( psz_title == NULL ) psz_title = strdup( N_("(no title)") );
175 if( psz_artist == NULL ) psz_artist = strdup( N_("(no artist)") );
176 if( psz_album == NULL ) psz_album = strdup( N_("(no album)") );
177 snprintf( psz_tmp, GROWL_MAX_LENGTH, "%s %s %s",
178 psz_title, psz_artist, psz_album );
183 NotifyToGrowl( p_this, "Now Playing", "Now Playing", psz_tmp );
185 vlc_object_release( p_input );
189 /*****************************************************************************
190 * Growl specific functions
191 *****************************************************************************/
192 #define GROWL_PROTOCOL_VERSION (1)
193 #define GROWL_TYPE_REGISTRATION (0)
194 #define GROWL_TYPE_NOTIFICATION (1)
195 #define APPLICATION_NAME "VLC media player"
197 #define insertstrlen( psz ) \
199 uint16_t i_size = strlen( psz ); \
200 psz_encoded[i++] = (i_size>>8)&0xFF; \
201 psz_encoded[i++] = i_size&0xFF; \
203 /*****************************************************************************
205 *****************************************************************************/
206 static int RegisterToGrowl( vlc_object_t *p_this )
208 uint8_t *psz_encoded = malloc(100);
209 uint8_t i_defaults = 0;
210 char *psz_notifications[] = {"Now Playing", NULL};
211 vlc_bool_t pb_defaults[] = {VLC_TRUE, VLC_FALSE};
213 if( psz_encoded == NULL )
216 memset( psz_encoded, 0, sizeof(psz_encoded) );
217 psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
218 psz_encoded[i++] = GROWL_TYPE_REGISTRATION;
219 insertstrlen(APPLICATION_NAME);
221 strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
222 i += strlen(APPLICATION_NAME);
223 for( j = 0 ; psz_notifications[j] != NULL ; j++)
225 insertstrlen(psz_notifications[j]);
226 strcpy( (char*)(psz_encoded+i), psz_notifications[j] );
227 i += strlen(psz_notifications[j]);
230 for( j = 0 ; psz_notifications[j] != NULL ; j++)
231 if(pb_defaults[j] == VLC_TRUE)
233 psz_encoded[i++] = (uint8_t)j;
236 psz_encoded[5] = i_defaults;
238 CheckAndSend(p_this, psz_encoded, i);
243 static int NotifyToGrowl( vlc_object_t *p_this, char *psz_type,
244 char *psz_title, char *psz_desc )
246 uint8_t *psz_encoded = malloc(GROWL_MAX_LENGTH + 42);
249 if( psz_encoded == NULL )
252 memset( psz_encoded, 0, sizeof(psz_encoded) );
253 psz_encoded[i++] = GROWL_PROTOCOL_VERSION;
254 psz_encoded[i++] = GROWL_TYPE_NOTIFICATION;
256 psz_encoded[i++] = (flags>>8)&0xFF;
257 psz_encoded[i++] = flags&0xFF;
258 insertstrlen(psz_type);
259 insertstrlen(psz_title);
260 insertstrlen(psz_desc);
261 insertstrlen(APPLICATION_NAME);
262 strcpy( (char*)(psz_encoded+i), psz_type );
263 i += strlen(psz_type);
264 strcpy( (char*)(psz_encoded+i), psz_title );
265 i += strlen(psz_title);
266 strcpy( (char*)(psz_encoded+i), psz_desc );
267 i += strlen(psz_desc);
268 strcpy( (char*)(psz_encoded+i), APPLICATION_NAME );
269 i += strlen(APPLICATION_NAME);
271 CheckAndSend(p_this, psz_encoded, i);
276 static int CheckAndSend( vlc_object_t *p_this, uint8_t* p_data, int i_offset )
280 intf_thread_t *p_intf = (intf_thread_t *)p_this;
281 char *psz_password = config_GetPsz( p_intf, "growl-password" );
282 char *psz_server = config_GetPsz( p_intf, "growl-server" );
283 int i_port = config_GetInt( p_intf, "growl-port" );
284 int i_ttl = config_GetInt( p_intf, "growl-ttl" );
285 strcpy( (char*)(p_data+i_offset), psz_password );
286 i = i_offset + strlen(psz_password);
289 AddMD5( &md5, p_data, i );
292 for( i = 0 ; i < 4 ; i++ )
294 md5.p_digest[i] = md5.p_digest[i];
295 p_data[i_offset++] = md5.p_digest[i] &0xFF;
296 p_data[i_offset++] = (md5.p_digest[i]>> 8)&0xFF;
297 p_data[i_offset++] = (md5.p_digest[i]>>16)&0xFF;
298 p_data[i_offset++] = (md5.p_digest[i]>>24)&0xFF;
301 i_handle = net_ConnectUDP( p_this, psz_server, i_port, i_ttl );
304 msg_Err( p_this, "failed to open a connection (udp)" );
310 net_StopRecv( i_handle );
311 if( send( i_handle, p_data, i_offset, 0 )
314 msg_Warn( p_this, "send error: %s", strerror(errno) );
316 net_Close( i_handle );
323 #undef GROWL_PROTOCOL_VERSION
324 #undef GROWL_TYPE_REGISTRATION
325 #undef GROWL_TYPE_NOTIFICATION
326 #undef APPLICATION_NAME