mediadirs.c 11 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/*****************************************************************************
 * mediadirs.c:  Picture/Music/Video user directories as service discoveries
 *****************************************************************************
 * Copyright (C) 2009 the VideoLAN team
 * $Id$
 *
 * Authors: Erwan Tulou <erwan10 aT videolan DoT org>
 *
 * 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.
 *****************************************************************************/

/*****************************************************************************
 * Includes
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_url.h>
35
#include <vlc_fs.h>
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
#include <vlc_services_discovery.h>

#include <sys/stat.h>


/*****************************************************************************
 * Module descriptor
 *****************************************************************************/

enum type_e { Video = 0, Audio = 1, Picture = 2, Unknown = 3 };

static int  Open( vlc_object_t *, enum type_e );
static void Close( vlc_object_t * );

/* Main functions */
#define OPEN_MODULE( type )                        \
static int Open##type( vlc_object_t *p_this )      \
{                                                  \
    msg_Dbg( p_this, "Starting " #type );          \
    return Open( p_this, type );                   \
}

OPEN_MODULE( Video )
OPEN_MODULE( Audio )
OPEN_MODULE( Picture )

#undef OPEN_MODULE

64
65
static int vlc_sd_probe_Open( vlc_object_t * );

66
67
68
69
vlc_module_begin ()
    set_category( CAT_PLAYLIST )
    set_subcategory( SUBCAT_PLAYLIST_SD )

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
70
        set_shortname( N_("Video") )
71
        set_description( N_("My Videos") )
JPeg's avatar
JPeg committed
72
        set_capability( "services_discovery", 0 )
73
74
75
76
        set_callbacks( OpenVideo, Close )
        add_shortcut( "video_dir" )

    add_submodule ()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
77
        set_shortname( N_("Audio") )
78
        set_description( N_("My Music") )
JPeg's avatar
JPeg committed
79
        set_capability( "services_discovery", 0 )
80
81
82
83
        set_callbacks( OpenAudio, Close )
        add_shortcut( "audio_dir" )

    add_submodule ()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
84
        set_shortname( N_("Picture") )
85
        set_description( N_("My Pictures") )
JPeg's avatar
JPeg committed
86
        set_capability( "services_discovery", 0 )
87
88
89
        set_callbacks( OpenPicture, Close )
        add_shortcut( "picture_dir" )

90
    VLC_SD_PROBE_SUBMODULE
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
vlc_module_end ()


/*****************************************************************************
 * Local prototypes
 *****************************************************************************/

static void* Run( void* );

static void input_item_subitem_added( const vlc_event_t*, void* );
static int onNewFileAdded( vlc_object_t*, char const *,
                           vlc_value_t, vlc_value_t, void *);

static enum type_e fileType( services_discovery_t *p_sd, const char* psz_file );
static void formatSnapshotItem( input_item_t* );

struct services_discovery_sys_t
{
    vlc_thread_t thread;
    enum type_e i_type;

    char* psz_dir[2];
ivoire's avatar
ivoire committed
113
    const char* psz_var;
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
};

/*****************************************************************************
 * Open: initialize module
 *****************************************************************************/
static int Open( vlc_object_t *p_this, enum type_e i_type )
{
    services_discovery_t *p_sd = ( services_discovery_t* )p_this;
    services_discovery_sys_t *p_sys = p_sd->p_sys;

    p_sd->p_sys = p_sys = calloc( 1, sizeof( *p_sys) );
    if( !p_sys )
        return VLC_ENOMEM;

    p_sys->i_type = i_type;

    if( p_sys->i_type == Video )
    {
        p_sys->psz_dir[0] = config_GetUserDir( VLC_VIDEOS_DIR );
        p_sys->psz_dir[1] = var_CreateGetString( p_sd, "input-record-path" );

ivoire's avatar
ivoire committed
135
        p_sys->psz_var = "record-file";
136
137
138
139
140
141
    }
    else if( p_sys->i_type == Audio )
    {
        p_sys->psz_dir[0] = config_GetUserDir( VLC_MUSIC_DIR );
        p_sys->psz_dir[1] = var_CreateGetString( p_sd, "input-record-path" );

ivoire's avatar
ivoire committed
142
        p_sys->psz_var = "record-file";
143
144
145
146
147
148
    }
    else if( p_sys->i_type == Picture )
    {
        p_sys->psz_dir[0] = config_GetUserDir( VLC_PICTURES_DIR );
        p_sys->psz_dir[1] = var_CreateGetString( p_sd, "snapshot-path" );

ivoire's avatar
ivoire committed
149
        p_sys->psz_var = "snapshot-file";
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
    }
    else
    {
        free( p_sys );
        return VLC_EGENERIC;
    }

    var_AddCallback( p_sd->p_libvlc, p_sys->psz_var, onNewFileAdded, p_sd );

    if( vlc_clone( &p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW ) )
    {
        var_DelCallback( p_sd->p_libvlc, p_sys->psz_var, onNewFileAdded, p_sd );
        free( p_sys->psz_dir[1] );
        free( p_sys->psz_dir[0] );
        free( p_sys );
        return VLC_EGENERIC;
    }

    return VLC_SUCCESS;
}

/*****************************************************************************
 * Run:
 *****************************************************************************/
static void *Run( void *data )
{
    services_discovery_t *p_sd = data;
    services_discovery_sys_t *p_sys = p_sd->p_sys;

    int canc = vlc_savecancel();

    int num_dir = sizeof( p_sys->psz_dir ) / sizeof( p_sys->psz_dir[0] );
    for( int i = 0; i < num_dir; i++ )
    {
        char* psz_dir = p_sys->psz_dir[i];

        /* make sure the directory exists */
        struct stat st;
        if( psz_dir == NULL            ||
189
            vlc_stat( psz_dir, &st )  ||
190
191
192
            !S_ISDIR( st.st_mode ) )
            continue;

Erwan Tulou's avatar
Erwan Tulou committed
193
        char* psz_uri = make_URI( psz_dir );
194
195
196
197
198
199

        input_item_t* p_root = input_item_New( p_sd, psz_uri, NULL );
        if( p_sys->i_type == Picture )
            input_item_AddOption( p_root, "ignore-filetypes=ini,db,lnk,txt",
                                  VLC_INPUT_OPTION_TRUSTED );

200
        input_item_AddOption( p_root, "recursive=collapse",
201
202
203
204
205
206
207
                              VLC_INPUT_OPTION_TRUSTED );


        vlc_event_manager_t *p_em = &p_root->event_manager;
        vlc_event_attach( p_em, vlc_InputItemSubItemAdded,
                          input_item_subitem_added, p_sd );

208
        input_Read( p_sd, p_root );
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348

        vlc_event_detach( p_em, vlc_InputItemSubItemAdded,
                          input_item_subitem_added, p_sd );

        vlc_gc_decref( p_root );
        free( psz_uri );
    }

    vlc_restorecancel(canc);
    return NULL;
}

/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    services_discovery_t *p_sd = (services_discovery_t *)p_this;
    services_discovery_sys_t *p_sys = p_sd->p_sys;

    vlc_cancel( p_sys->thread );
    vlc_join( p_sys->thread, NULL );

    var_DelCallback( p_sd->p_libvlc, p_sys->psz_var, onNewFileAdded, p_sd );

    free( p_sys->psz_dir[1] );
    free( p_sys->psz_dir[0] );
    free( p_sys );
}


/*****************************************************************************
 * Callbacks and helper functions
 *****************************************************************************/
static void input_item_subitem_added( const vlc_event_t * p_event,
                                      void * user_data )
{
    services_discovery_t *p_sd = user_data;
    services_discovery_sys_t *p_sys = p_sd->p_sys;

    /* retrieve new item */
    input_item_t *p_item = p_event->u.input_item_subitem_added.p_new_child;

    if( p_sys->i_type == Picture )
        formatSnapshotItem( p_item );

    services_discovery_AddItem( p_sd, p_item, NULL );
}

static int onNewFileAdded( vlc_object_t *p_this, char const *psz_var,
                     vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    services_discovery_t *p_sd = p_data;

    (void)p_this; (void)psz_var; (void)oldval;
    char* psz_file = newval.psz_string;
    if( !psz_file || !*psz_file )
        return VLC_EGENERIC;

    char* psz_uri = make_URI( psz_file );
    input_item_t* p_item = input_item_New( p_sd, psz_uri, NULL );

    if( fileType( p_sd, psz_file ) == Picture )
    {
        formatSnapshotItem( p_item );
        services_discovery_AddItem( p_sd, p_item, NULL );

        msg_Dbg( p_sd, "New snapshot added : %s", psz_file );
    }
    else if( fileType( p_sd, psz_file ) == Audio )
    {
        services_discovery_AddItem( p_sd, p_item, NULL );

        msg_Dbg( p_sd, "New recorded audio added : %s", psz_file );
    }
    else if( fileType( p_sd, psz_file ) == Video )
    {
        services_discovery_AddItem( p_sd, p_item, NULL );

        msg_Dbg( p_sd, "New recorded video added : %s", psz_file );
    }

    vlc_gc_decref( p_item );
    free( psz_uri );

    return VLC_SUCCESS;
}

void formatSnapshotItem( input_item_t *p_item )
{
    if( !p_item )
        return;

    if( !p_item->p_meta )
        p_item->p_meta = vlc_meta_New();

    /* copy the snapshot mrl as a ArtURL */
    if( p_item->p_meta )
    {
        char* psz_uri = NULL;
        psz_uri = input_item_GetURI( p_item );
        if( psz_uri )
            input_item_SetArtURL( p_item, psz_uri );
        free( psz_uri );
    }

    /**
     * TODO: select the best mrl for displaying snapshots
     *   - vlc://pause:10  => snapshot are displayed as Art
     *   - file:///path/image.ext  => snapshot are displayed as videos
     **/
    input_item_SetURI( p_item, "vlc://pause:10" );

    // input_item_AddOption( p_item, "fake-duration=10000",
    //                       VLC_INPUT_OPTION_TRUSTED );
}


enum type_e fileType( services_discovery_t *p_sd, const char* psz_file )
{
    services_discovery_sys_t *p_sys = p_sd->p_sys;
    enum type_e i_ret = Unknown;

    char* psz_dir = strdup( psz_file );
    char* psz_tmp = strrchr( psz_dir, DIR_SEP_CHAR );
    if( psz_tmp )
        *psz_tmp = '\0';

    int num_dir = sizeof( p_sys->psz_dir ) / sizeof( p_sys->psz_dir[0] );
    for( int i = 0; i < num_dir; i++ )
    {
        char* psz_known_dir = p_sys->psz_dir[i];

        if( psz_known_dir && !strcmp( psz_dir, psz_known_dir ) )
            i_ret = p_sys->i_type;
    }

    free( psz_dir );
    return i_ret;
}
349
350
351
352
353

static int vlc_sd_probe_Open( vlc_object_t *obj )
{
    vlc_probe_t *probe = (vlc_probe_t *)obj;

354
    vlc_sd_probe_Add( probe, "video_dir{longname=\"My Videos\"}",
355
                      N_("My Videos"), SD_CAT_MYCOMPUTER );
356
    vlc_sd_probe_Add( probe, "audio_dir{longname=\"My Music\"}",
357
                      N_("My Music"), SD_CAT_MYCOMPUTER );
358
    vlc_sd_probe_Add( probe, "picture_dir{longname=\"My Pictures\"}",
359
                      N_("My Pictures"), SD_CAT_MYCOMPUTER );
360
    return VLC_PROBE_CONTINUE;
361
}