intf.c 11.3 KB
Newer Older
gbazin's avatar
   
gbazin committed
1
2
3
4
/*****************************************************************************
 * intf.c: Video CD interface to handle user interaction and still time
 *****************************************************************************
 * Copyright (C) 2002 VideoLAN
5
 * $Id: intf.c,v 1.2 2003/11/09 00:52:32 rocky Exp $
gbazin's avatar
   
gbazin committed
6
 *
7
8
 * Authors: Rocky Bernstein <rocky@panix.com>
 *   from DVD code by Stphane Borel <stef@via.ecp.fr>
gbazin's avatar
   
gbazin committed
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
35
36
37
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>                                      /* malloc(), free() */
#include <string.h>
#include <unistd.h>

#include <vlc/vlc.h>
#include <vlc/intf.h>

#include "stream_control.h"
#include "input_ext-intf.h"
#include "input_ext-dec.h"
38
#include "vlc_keys.h"
gbazin's avatar
   
gbazin committed
39
40

#include "vcd.h"
41
#include "vcdplayer.h"
gbazin's avatar
   
gbazin committed
42
43
44
45
46
47

/*****************************************************************************
 * intf_sys_t: description and status of interface
 *****************************************************************************/
struct intf_sys_t
{
48
49
    input_thread_t    * p_input;
    thread_vcd_data_t * p_vcd;
gbazin's avatar
   
gbazin committed
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81

    vlc_bool_t          b_still;
    vlc_bool_t          b_inf_still;
    mtime_t             m_still_time;

#if FINISHED
    vcdplay_ctrl_t      control;
#else 
    int                 control;
#endif
    vlc_bool_t          b_click, b_move, b_key_pressed;
};

/*****************************************************************************
 * Local prototypes.
 *****************************************************************************/
static int  InitThread     ( intf_thread_t *p_intf );
static int  MouseEvent     ( vlc_object_t *, char const *,
                             vlc_value_t, vlc_value_t, void * );
static int  KeyEvent       ( vlc_object_t *, char const *,
                             vlc_value_t, vlc_value_t, void * );

/* Exported functions */
static void RunIntf        ( intf_thread_t *p_intf );

/*****************************************************************************
 * OpenIntf: initialize dummy interface
 *****************************************************************************/
int E_(VCDOpenIntf) ( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;

82
83
    msg_Dbg( p_intf, "VCDOpenIntf" );

gbazin's avatar
   
gbazin committed
84
85
86
87
88
89
90
91
92
    /* Allocate instance and initialize some members */
    p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
    if( p_intf->p_sys == NULL )
    {
        return( 1 );
    };

    p_intf->pf_run = RunIntf;

93
    var_AddCallback( p_intf->p_vlc, "key-pressed", KeyEvent, p_intf );
gbazin's avatar
   
gbazin committed
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
    p_intf->p_sys->m_still_time = 0;
    p_intf->p_sys->b_inf_still = 0;
    p_intf->p_sys->b_still = 0;

    return( 0 );
}

/*****************************************************************************
 * CloseIntf: destroy dummy interface
 *****************************************************************************/
void E_(VCDCloseIntf) ( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;

    /* Destroy structure */
    free( p_intf->p_sys );
}


/*****************************************************************************
 * RunIntf: main loop
 *****************************************************************************/
static void RunIntf( intf_thread_t *p_intf )
{
118
119
120
121
122
123
124
125
    vlc_object_t      * p_vout = NULL;
    thread_vcd_data_t * p_vcd;
    input_thread_t    * p_input;
    
    /* What you add to the last input number entry. It accumulates all of
       the 10_ADD keypresses */
    int number_addend = 0; 
    
gbazin's avatar
   
gbazin committed
126
127
128
129
130
    if( InitThread( p_intf ) < 0 )
    {
        msg_Err( p_intf, "can't initialize intf" );
        return;
    }
131
132
133
134
135
136

    p_input = p_intf->p_sys->p_input;
    p_vcd   = p_intf->p_sys->p_vcd = 
      (thread_vcd_data_t *) p_input->p_access_data;

    dbg_print( INPUT_DBG_CALL, "intf initialized" );
gbazin's avatar
   
gbazin committed
137
138
139
140
141
142

    /* Main loop */
    while( !p_intf->b_die )
    {
      vlc_mutex_lock( &p_intf->change_lock );

143
144
145
146
      /*
       * keyboard event
       */
      if( p_vout && p_intf->p_sys->b_key_pressed )
gbazin's avatar
   
gbazin committed
147
        {
148
149
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
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
	  vlc_value_t val;
	  int i, i_action = -1;
	  struct hotkey *p_hotkeys = p_intf->p_vlc->p_hotkeys;

	  p_intf->p_sys->b_key_pressed = VLC_FALSE;
          
	  /* Find action triggered by hotkey (if any) */
	  var_Get( p_intf->p_vlc, "key-pressed", &val );

	  dbg_print( INPUT_DBG_EVENT, "Key pressed %d", val.i_int );

	  for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
            {
	      if( p_hotkeys[i].i_key == val.i_int )
                {
		  i_action = p_hotkeys[i].i_action;
                }
            }
	  
	  if( i_action != -1) {
	    switch (i_action) {
	      
	    case ACTIONID_NAV_LEFT: 
	      dbg_print( INPUT_DBG_EVENT, "ACTIONID_NAV_LEFT - prev (%d)", 
			 number_addend );
	      do {
		vcdplayer_play_prev( p_input );
	      }	while (number_addend-- > 0);
	      break;

	    case ACTIONID_NAV_RIGHT:
	      dbg_print( INPUT_DBG_EVENT, "ACTIONID_NAV_RIGHT - next (%d)",
			 number_addend );
	      do {
		vcdplayer_play_next( p_input );
	      } while (number_addend-- > 0);
	      break;

	    case ACTIONID_NAV_UP:
	      dbg_print( INPUT_DBG_EVENT, "ACTIONID_NAV_UP - return" );
	      vcdplayer_play_return( p_input );
	      break;

	    case ACTIONID_NAV_DOWN:
	      dbg_print( INPUT_DBG_EVENT, "ACTIONID_NAV_DOWN - default"  );
	      vcdplayer_play_default( p_input );
	      break;

	    case ACTIONID_NAV_ACTIVATE: 
	      {
		vcdinfo_itemid_t itemid;
		itemid.type=p_vcd->play_item.type;

		dbg_print( INPUT_DBG_EVENT, "ACTIONID_NAV_ACTIVATE" );

		if ( vcdplayer_pbc_is_on( p_vcd ) && number_addend != 0 ) {
		  lid_t next_num=vcdplayer_selection2lid(p_input, 
							 number_addend);
		  if (VCDINFO_INVALID_LID != next_num) {
		    itemid.num  = next_num;
		    itemid.type = VCDINFO_ITEM_TYPE_LID;
		    VCDPlay( p_input, itemid );
		  }
		} else {
		  itemid.num = number_addend;
		  VCDPlay( p_input, itemid );
		}
		break;
	      }
	    }
	    number_addend = 0;
	  } else {
	    unsigned int digit_entered=0;

	    switch (val.i_int) {
	    case '9':
	      digit_entered++;
	    case '8':
	      digit_entered++;
	    case '7':
	      digit_entered++;
	    case '6':
	      digit_entered++;
	    case '5':
	      digit_entered++;
	    case '4':
	      digit_entered++;
	    case '3':
	      digit_entered++;
	    case '2':
	      digit_entered++;
	    case '1':
	      digit_entered++;
	    case '0':
	      {
		number_addend *= 10;
		number_addend += digit_entered;
		dbg_print( INPUT_DBG_EVENT, 
			   "Added %d. Number is now: %d\n", 
			   digit_entered, number_addend);
		break;
	      }
	    }
	  }
gbazin's avatar
   
gbazin committed
252
253
        }

254
255
256
257
      
      vlc_mutex_unlock( &p_intf->change_lock );
      
      if( p_vout == NULL )
gbazin's avatar
   
gbazin committed
258
        {
259
260
261
	  p_vout = vlc_object_find( p_intf->p_sys->p_input,
				    VLC_OBJECT_VOUT, FIND_CHILD );
	  if( p_vout )
gbazin's avatar
   
gbazin committed
262
            {
263
264
265
	      var_AddCallback( p_vout, "mouse-moved", MouseEvent, p_intf );
	      var_AddCallback( p_vout, "mouse-clicked", MouseEvent, p_intf );
	      var_AddCallback( p_vout, "key-pressed", KeyEvent, p_intf );
gbazin's avatar
   
gbazin committed
266
267
            }
        }
268
269
270
271
272
      
      
      /* Wait a bit */
      msleep( INTF_IDLE_SLEEP );
    }
gbazin's avatar
   
gbazin committed
273

274
275
276
277
278
    if( p_vout )
    {
        var_DelCallback( p_vout, "mouse-moved", MouseEvent, p_intf );
        var_DelCallback( p_vout, "mouse-clicked", MouseEvent, p_intf );
        vlc_object_release( p_vout );
gbazin's avatar
   
gbazin committed
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
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
    }

    vlc_object_release( p_intf->p_sys->p_input );
}

/*****************************************************************************
 * InitThread:
 *****************************************************************************/
static int InitThread( intf_thread_t * p_intf )
{
    /* We might need some locking here */
    if( !p_intf->b_die )
    {
        input_thread_t * p_input;

        p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_PARENT );

        /* Maybe the input just died */
        if( p_input == NULL )
        {
            return VLC_EGENERIC;
        }

        vlc_mutex_lock( &p_intf->change_lock );

        p_intf->p_sys->p_input = p_input;

        p_intf->p_sys->b_move = VLC_FALSE;
        p_intf->p_sys->b_click = VLC_FALSE;
        p_intf->p_sys->b_key_pressed = VLC_FALSE;

        vlc_mutex_unlock( &p_intf->change_lock );

        return VLC_SUCCESS;
    }
    else
    {
        return VLC_EGENERIC;
    }
}

/*****************************************************************************
 * MouseEvent: callback for mouse events
 *****************************************************************************/
static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_data;

    vlc_mutex_lock( &p_intf->change_lock );

    if( psz_var[6] == 'c' ) /* "mouse-clicked" */
    {
        p_intf->p_sys->b_click = VLC_TRUE;
    }
    else if( psz_var[6] == 'm' ) /* "mouse-moved" */
    {
        p_intf->p_sys->b_move = VLC_TRUE;
    }

    vlc_mutex_unlock( &p_intf->change_lock );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * KeyEvent: callback for keyboard events
 *****************************************************************************/
static int KeyEvent( vlc_object_t *p_this, char const *psz_var,
                       vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_data;
    vlc_mutex_lock( &p_intf->change_lock );

    p_intf->p_sys->b_key_pressed = VLC_TRUE;
    
    vlc_mutex_unlock( &p_intf->change_lock );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * dvdIntfStillTime: function provided to demux plugin to request
 * still images
 *****************************************************************************/
int vcdIntfStillTime( intf_thread_t *p_intf, int i_sec )
{
    vlc_mutex_lock( &p_intf->change_lock );

    if( i_sec == 0xff )
    {
        p_intf->p_sys->b_still = 1;
        p_intf->p_sys->b_inf_still = 1;
    }
    else if( i_sec > 0 )
    {
        p_intf->p_sys->b_still = 1;
        p_intf->p_sys->m_still_time = 1000000 * i_sec;
    }
    vlc_mutex_unlock( &p_intf->change_lock );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vcdIntfStillTime: function provided to reset still image
 *****************************************************************************/
int vcdIntfResetStillTime( intf_thread_t *p_intf )
{
    vlc_mutex_lock( &p_intf->change_lock );
    p_intf->p_sys->m_still_time = 0;
    input_SetStatus( p_intf->p_sys->p_input, INPUT_STATUS_PLAY );
    vlc_mutex_unlock( &p_intf->change_lock );

    return VLC_SUCCESS;
}