1 /*****************************************************************************
2 * mtp.c : MTP interface module
3 *****************************************************************************
4 * Copyright (C) 2009 the VideoLAN team
6 * Authors: Fabio Ritrovato <exsephiroth87@gmail.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_playlist.h>
29 #include <vlc_plugin.h>
30 #include <vlc_interface.h>
31 #include <vlc_services_discovery.h>
35 /*****************************************************************************
37 *****************************************************************************/
38 static int Open( vlc_object_t * );
39 static void Close( vlc_object_t * );
41 VLC_SD_PROBE_HELPER("mtp", "MTP devices", SD_CAT_DEVICES)
44 set_shortname( "MTP" )
45 set_description( N_( "MTP devices" ) )
46 set_category( CAT_PLAYLIST )
47 set_subcategory( SUBCAT_PLAYLIST_SD )
48 set_capability( "services_discovery", 0 )
49 set_callbacks( Open, Close )
50 linked_with_a_crap_library_which_uses_atexit()
52 VLC_SD_PROBE_SUBMODULE
56 /*****************************************************************************
58 *****************************************************************************/
60 static void *Run( void * );
62 static int AddDevice( services_discovery_t *, LIBMTP_raw_device_t * );
63 static void AddTrack( services_discovery_t *, LIBMTP_track_t *);
64 static void CloseDevice( services_discovery_t * );
65 static int CountTracks( uint64_t const, uint64_t const, void const * const );
67 /*****************************************************************************
69 *****************************************************************************/
71 struct services_discovery_sys_t
74 input_item_t **pp_items;
79 uint16_t i_product_id;
83 static vlc_mutex_t mtp_lock = VLC_STATIC_MUTEX;
84 static bool b_mtp_initialized = false;
86 /*****************************************************************************
87 * Open: initialize and create stuff
88 *****************************************************************************/
89 static int Open( vlc_object_t *p_this )
91 services_discovery_t *p_sd = ( services_discovery_t * )p_this;
92 services_discovery_sys_t *p_sys;
94 if( !( p_sys = malloc( sizeof( services_discovery_sys_t ) ) ) )
97 p_sys->psz_name = NULL;
99 vlc_mutex_lock( &mtp_lock );
100 if( !b_mtp_initialized )
103 b_mtp_initialized = true;
105 vlc_mutex_unlock( &mtp_lock );
107 if (vlc_clone (&p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW))
115 /*****************************************************************************
117 *****************************************************************************/
118 static void Close( vlc_object_t *p_this )
120 services_discovery_t *p_sd = ( services_discovery_t * )p_this;
122 free( p_sd->p_sys->psz_name );
123 vlc_cancel (p_sd->p_sys->thread);
124 vlc_join (p_sd->p_sys->thread, NULL);
128 /*****************************************************************************
130 *****************************************************************************/
131 static void *Run( void *data )
133 LIBMTP_raw_device_t *p_rawdevices;
137 services_discovery_t *p_sd = data;
141 int canc = vlc_savecancel();
142 i_ret = LIBMTP_Detect_Raw_Devices( &p_rawdevices, &i_numrawdevices );
143 if ( i_ret == 0 && i_numrawdevices > 0 && p_rawdevices != NULL &&
146 /* Found a new device, add it */
147 msg_Dbg( p_sd, "New device found" );
148 if( AddDevice( p_sd, &p_rawdevices[0] ) == VLC_SUCCESS )
153 if ( ( i_ret != 0 || i_numrawdevices == 0 || p_rawdevices == NULL )
156 /* The device is not connected anymore, delete it */
157 msg_Info( p_sd, "Device disconnected" );
162 free( p_rawdevices );
163 vlc_restorecancel(canc);
169 /*****************************************************************************
171 *****************************************************************************/
172 static int AddDevice( services_discovery_t *p_sd,
173 LIBMTP_raw_device_t *p_raw_device )
175 char *psz_name = NULL;
176 LIBMTP_mtpdevice_t *p_device;
177 LIBMTP_track_t *p_track, *p_tmp;
179 if( ( p_device = LIBMTP_Open_Raw_Device( p_raw_device ) ) != NULL )
181 if( !( psz_name = LIBMTP_Get_Friendlyname( p_device ) ) )
182 if( !( psz_name = LIBMTP_Get_Modelname( p_device ) ) )
183 if( !( psz_name = strdup( N_( "MTP Device" ) ) ) )
185 msg_Info( p_sd, "Found device: %s", psz_name );
186 p_sd->p_sys->i_bus = p_raw_device->bus_location;
187 p_sd->p_sys->i_dev = p_raw_device->devnum;
188 p_sd->p_sys->i_product_id = p_raw_device->device_entry.product_id;
189 if( ( p_track = LIBMTP_Get_Tracklisting_With_Callback( p_device,
190 CountTracks, p_sd ) ) == NULL )
192 msg_Warn( p_sd, "No tracks on the device" );
196 if( !( p_sd->p_sys->pp_items = calloc( p_sd->p_sys->i_tracks_num,
197 sizeof( input_item_t * ) ) ) )
202 p_sd->p_sys->i_count = 0;
203 while( p_track != NULL )
205 msg_Dbg( p_sd, "Track found: %s - %s", p_track->artist,
207 AddTrack( p_sd, p_track );
209 p_track = p_track->next;
210 LIBMTP_destroy_track_t( p_tmp );
213 p_sd->p_sys->psz_name = psz_name;
214 LIBMTP_Release_Device( p_device );
219 msg_Warn( p_sd, "No device found, after all" );
224 static void AddTrack( services_discovery_t *p_sd, LIBMTP_track_t *p_track )
226 input_item_t *p_input;
230 extension = rindex( p_track->filename, '.' );
231 if( asprintf( &psz_string, "mtp://%"PRIu32":%"PRIu8":%"PRIu16":%d%s",
232 p_sd->p_sys->i_bus, p_sd->p_sys->i_dev,
233 p_sd->p_sys->i_product_id, p_track->item_id,
236 msg_Err( p_sd, "Error adding %s, skipping it", p_track->filename );
239 if( ( p_input = input_item_New( p_sd, psz_string,
240 p_track->title ) ) == NULL )
242 msg_Err( p_sd, "Error adding %s, skipping it", p_track->filename );
248 input_item_SetArtist( p_input, p_track->artist );
249 input_item_SetGenre( p_input, p_track->genre );
250 input_item_SetAlbum( p_input, p_track->album );
251 if( asprintf( &psz_string, "%d", p_track->tracknumber ) != -1 )
253 input_item_SetTrackNum( p_input, psz_string );
256 if( asprintf( &psz_string, "%d", p_track->rating ) != -1 )
258 input_item_SetRating( p_input, psz_string );
261 input_item_SetDate( p_input, p_track->date );
262 input_item_SetDuration( p_input, p_track->duration * 1000 );
263 services_discovery_AddItem( p_sd, p_input, NULL );
264 p_sd->p_sys->pp_items[p_sd->p_sys->i_count++] = p_input;
267 static void CloseDevice( services_discovery_t *p_sd )
269 input_item_t **pp_items = p_sd->p_sys->pp_items;
272 if( pp_items != NULL )
274 for( i_i = 0; i_i < p_sd->p_sys->i_count; i_i++ )
276 if( pp_items[i_i] != NULL )
278 services_discovery_RemoveItem( p_sd, pp_items[i_i] );
279 vlc_gc_decref( pp_items[i_i] );
286 static int CountTracks( uint64_t const sent, uint64_t const total,
287 void const * const data )
290 services_discovery_t *p_sd = (services_discovery_t *)data;
291 p_sd->p_sys->i_tracks_num = total;