1 /*****************************************************************************
2 * vout_intf.c : video output interface
3 *****************************************************************************
4 * Copyright (C) 2000-2006 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@videolan.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 *****************************************************************************/
31 #include <stdlib.h> /* free() */
32 #include <sys/types.h> /* opendir() */
33 #include <dirent.h> /* opendir() */
35 #include <vlc_interface.h>
36 #include <vlc_block.h>
37 #include <vlc_playlist.h>
40 #include <vlc_image.h>
42 #include <vlc_charset.h>
44 #include <vlc_strings.h>
45 #include <vlc_charset.h>
47 /*****************************************************************************
49 *****************************************************************************/
50 static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
52 /* Object variables callbacks */
53 static int ZoomCallback( vlc_object_t *, char const *,
54 vlc_value_t, vlc_value_t, void * );
55 static int CropCallback( vlc_object_t *, char const *,
56 vlc_value_t, vlc_value_t, void * );
57 static int AspectCallback( vlc_object_t *, char const *,
58 vlc_value_t, vlc_value_t, void * );
59 static int OnTopCallback( vlc_object_t *, char const *,
60 vlc_value_t, vlc_value_t, void * );
61 static int FullscreenCallback( vlc_object_t *, char const *,
62 vlc_value_t, vlc_value_t, void * );
63 static int SnapshotCallback( vlc_object_t *, char const *,
64 vlc_value_t, vlc_value_t, void * );
66 /*****************************************************************************
67 * vout_RequestWindow: Create/Get a video window if possible.
68 *****************************************************************************
69 * This function looks for the main interface and tries to request
70 * a new video window. If it fails then the vout will still need to create the
72 *****************************************************************************/
73 void *vout_RequestWindow( vout_thread_t *p_vout,
74 int *pi_x_hint, int *pi_y_hint,
75 unsigned int *pi_width_hint,
76 unsigned int *pi_height_hint )
78 intf_thread_t *p_intf = NULL;
85 if( !var_Type( p_vout, "aspect-ratio" ) ) vout_IntfInit( p_vout );
87 /* Get requested coordinates */
88 var_Get( p_vout, "video-x", &val );
89 *pi_x_hint = val.i_int ;
90 var_Get( p_vout, "video-y", &val );
91 *pi_y_hint = val.i_int;
93 *pi_width_hint = p_vout->i_window_width;
94 *pi_height_hint = p_vout->i_window_height;
96 /* Check whether someone provided us with a window ID */
97 var_Get( p_vout->p_libvlc, "drawable", &val );
98 if( val.i_int ) return (void *)val.i_int;
100 /* Find if the main interface supports embedding */
101 p_list = vlc_list_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
102 if( !p_list ) return NULL;
104 for( i = 0; i < p_list->i_count; i++ )
106 p_intf = (intf_thread_t *)p_list->p_values[i].p_object;
107 if( p_intf->b_block && p_intf->pf_request_window ) break;
113 vlc_list_release( p_list );
117 vlc_object_yield( p_intf );
118 vlc_list_release( p_list );
120 p_window = p_intf->pf_request_window( p_intf, p_vout, pi_x_hint, pi_y_hint,
121 pi_width_hint, pi_height_hint );
123 if( !p_window ) vlc_object_release( p_intf );
124 else p_vout->p_parent_intf = p_intf;
129 void vout_ReleaseWindow( vout_thread_t *p_vout, void *p_window )
131 intf_thread_t *p_intf = p_vout->p_parent_intf;
133 if( !p_intf ) return;
135 vlc_mutex_lock( &p_intf->object_lock );
138 vlc_mutex_unlock( &p_intf->object_lock );
142 if( !p_intf->pf_release_window )
144 msg_Err( p_vout, "no pf_release_window");
145 vlc_mutex_unlock( &p_intf->object_lock );
146 vlc_object_release( p_intf );
150 p_intf->pf_release_window( p_intf, p_window );
152 p_vout->p_parent_intf = NULL;
153 vlc_mutex_unlock( &p_intf->object_lock );
154 vlc_object_release( p_intf );
157 int vout_ControlWindow( vout_thread_t *p_vout, void *p_window,
158 int i_query, va_list args )
160 intf_thread_t *p_intf = p_vout->p_parent_intf;
163 if( !p_intf ) return VLC_EGENERIC;
165 vlc_mutex_lock( &p_intf->object_lock );
168 vlc_mutex_unlock( &p_intf->object_lock );
172 if( !p_intf->pf_control_window )
174 msg_Err( p_vout, "no pf_control_window");
175 vlc_mutex_unlock( &p_intf->object_lock );
179 i_ret = p_intf->pf_control_window( p_intf, p_window, i_query, args );
180 vlc_mutex_unlock( &p_intf->object_lock );
184 /*****************************************************************************
185 * vout_IntfInit: called during the vout creation to initialise misc things.
186 *****************************************************************************/
187 void vout_IntfInit( vout_thread_t *p_vout )
189 vlc_value_t val, text, old_val;
190 vlc_bool_t b_force_par = VLC_FALSE;
193 /* Create a few object variables we'll need later on */
194 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
195 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
196 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
197 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
198 var_Create( p_vout, "snapshot-sequential",
199 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
200 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
201 var_SetInteger( p_vout, "snapshot-num", 1 );
203 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
204 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
205 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
206 var_Get( p_vout, "align", &val );
207 p_vout->i_alignment = val.i_int;
209 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
210 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
212 /* Zoom object var */
213 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
214 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
216 text.psz_string = _("Zoom");
217 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
219 var_Get( p_vout, "zoom", &old_val );
220 if( old_val.f_float == 0.25 ||
221 old_val.f_float == 0.5 ||
222 old_val.f_float == 1 ||
223 old_val.f_float == 2 )
225 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
228 val.f_float = 0.25; text.psz_string = _("1:4 Quarter");
229 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
230 val.f_float = 0.5; text.psz_string = _("1:2 Half");
231 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
232 val.f_float = 1; text.psz_string = _("1:1 Original");
233 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
234 val.f_float = 2; text.psz_string = _("2:1 Double");
235 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
237 var_Set( p_vout, "zoom", old_val );
239 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
241 /* Crop offset vars */
242 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER );
243 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER );
244 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER );
245 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER );
247 var_SetInteger( p_vout, "crop-left", 0 );
248 var_SetInteger( p_vout, "crop-top", 0 );
249 var_SetInteger( p_vout, "crop-right", 0 );
250 var_SetInteger( p_vout, "crop-bottom", 0 );
252 var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
253 var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
254 var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
255 var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
257 /* Crop object var */
258 var_Create( p_vout, "crop", VLC_VAR_STRING |
259 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
261 text.psz_string = _("Crop");
262 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
265 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
266 val.psz_string = ""; text.psz_string = _("Default");
267 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
268 val.psz_string = "1:1"; text.psz_string = "1:1";
269 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
270 val.psz_string = "4:3"; text.psz_string = "4:3";
271 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
272 val.psz_string = "16:9"; text.psz_string = "16:9";
273 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
274 val.psz_string = "16:10"; text.psz_string = "16:10";
275 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
276 val.psz_string = "221:100"; text.psz_string = "221:100";
277 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
278 val.psz_string = "5:4"; text.psz_string = "5:4";
279 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
281 /* Add custom crop ratios */
282 psz_buf = config_GetPsz( p_vout, "custom-crop-ratios" );
283 if( psz_buf && *psz_buf )
285 char *psz_cur = psz_buf;
287 while( psz_cur && *psz_cur )
289 psz_next = strchr( psz_cur, ',' );
295 val.psz_string = strdup( psz_cur );
296 text.psz_string = strdup( psz_cur );
297 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text);
298 free( val.psz_string );
299 free( text.psz_string );
303 if( psz_buf ) free( psz_buf );
305 var_AddCallback( p_vout, "crop", CropCallback, NULL );
306 var_Get( p_vout, "crop", &old_val );
307 if( old_val.psz_string && *old_val.psz_string )
308 var_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
309 if( old_val.psz_string ) free( old_val.psz_string );
311 /* Monitor pixel aspect-ratio */
312 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
313 var_Get( p_vout, "monitor-par", &val );
314 if( val.psz_string && *val.psz_string )
316 char *psz_parser = strchr( val.psz_string, ':' );
317 unsigned int i_aspect_num = 0, i_aspect_den = 0;
321 i_aspect_num = strtol( val.psz_string, 0, 10 );
322 i_aspect_den = strtol( ++psz_parser, 0, 10 );
326 i_aspect = atof( val.psz_string );
327 vlc_ureduce( &i_aspect_num, &i_aspect_den,
328 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
330 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
332 p_vout->i_par_num = i_aspect_num;
333 p_vout->i_par_den = i_aspect_den;
335 vlc_ureduce( &p_vout->i_par_num, &p_vout->i_par_den,
336 p_vout->i_par_num, p_vout->i_par_den, 0 );
338 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
339 p_vout->i_par_num, p_vout->i_par_den );
340 b_force_par = VLC_TRUE;
342 if( val.psz_string ) free( val.psz_string );
344 /* Aspect-ratio object var */
345 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING |
346 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
348 text.psz_string = _("Aspect-ratio");
349 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
352 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
353 val.psz_string = ""; text.psz_string = _("Default");
354 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
355 val.psz_string = "1:1"; text.psz_string = "1:1";
356 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
357 val.psz_string = "4:3"; text.psz_string = "4:3";
358 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
359 val.psz_string = "16:9"; text.psz_string = "16:9";
360 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
361 val.psz_string = "16:10"; text.psz_string = "16:10";
362 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
363 val.psz_string = "221:100"; text.psz_string = "221:100";
364 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
365 val.psz_string = "5:4"; text.psz_string = "5:4";
366 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
368 /* Add custom aspect ratios */
369 psz_buf = config_GetPsz( p_vout, "custom-aspect-ratios" );
370 if( psz_buf && *psz_buf )
372 char *psz_cur = psz_buf;
374 while( psz_cur && *psz_cur )
376 psz_next = strchr( psz_cur, ',' );
382 val.psz_string = strdup( psz_cur );
383 text.psz_string = strdup( psz_cur );
384 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text);
385 free( val.psz_string );
386 free( text.psz_string );
390 if( psz_buf ) free( psz_buf );
392 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
393 var_Get( p_vout, "aspect-ratio", &old_val );
394 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
395 var_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
396 if( old_val.psz_string ) free( old_val.psz_string );
398 /* Initialize the dimensions of the video window */
399 InitWindowSize( p_vout, &p_vout->i_window_width,
400 &p_vout->i_window_height );
402 /* Add a variable to indicate if the window should be on top of others */
403 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
404 text.psz_string = _("Always on top");
405 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
406 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
408 /* Add a variable to indicate whether we want window decoration or not */
409 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
411 /* Add a fullscreen variable */
412 var_Create( p_vout, "fullscreen", VLC_VAR_BOOL );
413 text.psz_string = _("Fullscreen");
414 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
415 var_Change( p_vout, "fullscreen", VLC_VAR_INHERITVALUE, &val, NULL );
418 /* user requested fullscreen */
419 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
421 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
423 /* Add a snapshot variable */
424 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
425 text.psz_string = _("Snapshot");
426 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
427 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
429 /* Mouse coordinates */
430 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
431 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
432 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
433 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
434 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
436 var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
437 val.b_bool = VLC_TRUE;
438 var_Set( p_vout, "intf-change", val );
441 /*****************************************************************************
442 * vout_Snapshot: generates a snapshot.
443 *****************************************************************************/
444 int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
446 image_handler_t *p_image = image_HandlerCreate( p_vout );
447 video_format_t fmt_in = {0}, fmt_out = {0};
448 char *psz_filename = NULL;
449 subpicture_t *p_subpic;
451 vlc_value_t val, format;
456 var_Get( p_vout, "snapshot-path", &val );
457 if( val.psz_string && !*val.psz_string )
459 free( val.psz_string );
463 /* Embedded snapshot : if snapshot-path == object:object-id, then
464 create a snapshot_t* and store it in
465 object(object-id)->p_private, then unlock and signal the
468 if( val.psz_string && !strncmp( val.psz_string, "object:", 7 ) )
471 vlc_object_t* p_dest;
473 snapshot_t *p_snapshot;
476 /* Destination object-id is following object: */
477 i_id = atoi( &val.psz_string[7] );
478 p_dest = ( vlc_object_t* )vlc_current_object( i_id );
481 msg_Err( p_vout, "Cannot find calling object" );
482 image_HandlerDelete( p_image );
485 /* Object must be locked. We will unlock it once we get the
486 snapshot and written it to p_private */
487 p_dest->p_private = NULL;
489 /* Save the snapshot to a memory zone */
490 fmt_in = p_vout->fmt_in;
491 fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
492 /* FIXME: should not be hardcoded. We should be able to
493 specify the snapshot size (snapshot-width and snapshot-height). */
494 fmt_out.i_width = 320;
495 fmt_out.i_height = 200;
496 fmt_out.i_chroma = VLC_FOURCC( 'p','n','g',' ' );
497 p_block = ( block_t* ) image_Write( p_image, p_pic, &fmt_in, &fmt_out );
500 msg_Err( p_vout, "Could not get snapshot" );
501 image_HandlerDelete( p_image );
502 vlc_cond_signal( &p_dest->object_wait );
503 vlc_mutex_unlock( &p_dest->object_lock );
504 vlc_object_release( p_dest );
508 /* Copy the p_block data to a snapshot structure */
509 /* FIXME: get the timestamp */
510 p_snapshot = ( snapshot_t* ) malloc( sizeof( snapshot_t ) );
513 block_Release( p_block );
514 image_HandlerDelete( p_image );
515 vlc_cond_signal( &p_dest->object_wait );
516 vlc_mutex_unlock( &p_dest->object_lock );
517 vlc_object_release( p_dest );
521 i_size = p_block->i_buffer;
523 p_snapshot->i_width = fmt_out.i_width;
524 p_snapshot->i_height = fmt_out.i_height;
525 p_snapshot->i_datasize = i_size;
526 p_snapshot->date = p_block->i_pts; /* FIXME ?? */
527 p_snapshot->p_data = ( char* ) malloc( i_size );
528 if( !p_snapshot->p_data )
530 block_Release( p_block );
532 image_HandlerDelete( p_image );
533 vlc_cond_signal( &p_dest->object_wait );
534 vlc_mutex_unlock( &p_dest->object_lock );
535 vlc_object_release( p_dest );
538 memcpy( p_snapshot->p_data, p_block->p_buffer, p_block->i_buffer );
540 p_dest->p_private = p_snapshot;
542 block_Release( p_block );
544 /* Unlock the object */
545 vlc_cond_signal( &p_dest->object_wait );
546 vlc_mutex_unlock( &p_dest->object_lock );
547 vlc_object_release( p_dest );
549 image_HandlerDelete( p_image );
554 #if defined(__APPLE__) || defined(SYS_BEOS)
555 if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
557 asprintf( &val.psz_string, "%s/Desktop",
558 p_vout->p_libvlc->psz_homedir );
561 #elif defined(WIN32) && !defined(UNDER_CE)
562 if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
564 /* Get the My Pictures folder path */
566 char *p_mypicturesdir = NULL;
567 typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
569 #ifndef CSIDL_FLAG_CREATE
570 # define CSIDL_FLAG_CREATE 0x8000
572 #ifndef CSIDL_MYPICTURES
573 # define CSIDL_MYPICTURES 0x27
575 #ifndef SHGFP_TYPE_CURRENT
576 # define SHGFP_TYPE_CURRENT 0
579 HINSTANCE shfolder_dll;
580 SHGETFOLDERPATH SHGetFolderPath ;
582 /* load the shfolder dll to retrieve SHGetFolderPath */
583 if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL )
585 wchar_t wdir[PATH_MAX];
586 SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
587 _T("SHGetFolderPathW") );
588 if ((SHGetFolderPath != NULL )
589 && SUCCEEDED (SHGetFolderPath (NULL,
590 CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
591 NULL, SHGFP_TYPE_CURRENT,
593 p_mypicturesdir = FromWide (wdir);
595 FreeLibrary( shfolder_dll );
598 if( p_mypicturesdir == NULL )
600 asprintf( &val.psz_string, "%s/" CONFIG_DIR,
601 p_vout->p_libvlc->psz_homedir );
605 asprintf( &val.psz_string, p_mypicturesdir );
606 free( p_mypicturesdir );
611 if( !val.psz_string && p_vout->p_libvlc->psz_homedir )
613 asprintf( &val.psz_string, "%s/" CONFIG_DIR,
614 p_vout->p_libvlc->psz_homedir );
618 if( !val.psz_string )
620 msg_Err( p_vout, "no path specified for snapshots" );
623 var_Get( p_vout, "snapshot-format", &format );
624 if( !format.psz_string || !*format.psz_string )
626 if( format.psz_string ) free( format.psz_string );
627 format.psz_string = strdup( "png" );
631 * Did the user specify a directory? If not, path = NULL.
633 path = utf8_opendir ( (const char *)val.psz_string );
637 char *psz_prefix = var_GetString( p_vout, "snapshot-prefix" );
638 if( !psz_prefix ) psz_prefix = strdup( "vlcsnap-" );
641 char *psz_tmp = str_format( p_vout, psz_prefix );
642 filename_sanitize( psz_tmp );
644 psz_prefix = psz_tmp;
648 if( var_GetBool( p_vout, "snapshot-sequential" ) == VLC_TRUE )
650 int i_num = var_GetInteger( p_vout, "snapshot-num" );
654 asprintf( &psz_filename, "%s/%s%05d.%s", val.psz_string,
655 psz_prefix, i_num++, format.psz_string );
657 while( ( p_file = utf8_fopen( psz_filename, "r" ) ) && !fclose( p_file ) );
658 var_SetInteger( p_vout, "snapshot-num", i_num );
662 asprintf( &psz_filename, "%s/%s%u.%s", val.psz_string,
664 (unsigned int)(p_pic->date / 100000) & 0xFFFFFF,
670 else // The user specified a full path name (including file name)
672 psz_filename = str_format( p_vout, val.psz_string );
673 path_sanitize( psz_filename );
676 free( val.psz_string );
677 free( format.psz_string );
679 /* Save the snapshot */
680 fmt_in = p_vout->fmt_in;
681 fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
682 i_ret = image_WriteUrl( p_image, p_pic, &fmt_in, &fmt_out, psz_filename );
683 if( i_ret != VLC_SUCCESS )
685 msg_Err( p_vout, "could not create snapshot %s", psz_filename );
686 free( psz_filename );
687 image_HandlerDelete( p_image );
691 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
692 vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN,
693 "%s", psz_filename );
694 free( psz_filename );
696 if( var_GetBool( p_vout, "snapshot-preview" ) )
698 /* Inject a subpicture with the snapshot */
699 memset( &fmt_out, 0, sizeof(fmt_out) );
700 fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
701 p_pif = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
702 image_HandlerDelete( p_image );
703 if( !p_pif ) return VLC_EGENERIC;
705 p_subpic = spu_CreateSubpicture( p_vout->p_spu );
706 if( p_subpic == NULL )
708 p_pif->pf_release( p_pif );
712 p_subpic->i_channel = 0;
713 p_subpic->i_start = mdate();
714 p_subpic->i_stop = mdate() + 4000000;
715 p_subpic->b_ephemer = VLC_TRUE;
716 p_subpic->b_fade = VLC_TRUE;
717 p_subpic->i_original_picture_width = p_vout->render.i_width * 4;
718 p_subpic->i_original_picture_height = p_vout->render.i_height * 4;
720 p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
721 vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture,
723 p_pif->pf_release( p_pif );
725 spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
729 image_HandlerDelete( p_image );
735 /*****************************************************************************
737 *****************************************************************************/
739 void vout_EnableFilter( vout_thread_t *p_vout, char *psz_name,
740 vlc_bool_t b_add, vlc_bool_t b_setconfig )
743 char *psz_string = config_GetPsz( p_vout, "vout-filter" );
745 /* Todo : Use some generic chain manipulation functions */
746 if( !psz_string ) psz_string = strdup("");
748 psz_parser = strstr( psz_string, psz_name );
753 psz_parser = psz_string;
754 asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
755 psz_string, psz_name );
765 memmove( psz_parser, psz_parser + strlen(psz_name) +
766 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
767 strlen(psz_parser + strlen(psz_name)) + 1 );
769 /* Remove trailing : : */
770 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
772 *(psz_string+strlen(psz_string ) -1 ) = '\0';
782 config_PutPsz( p_vout, "vout-filter", psz_string );
784 var_SetString( p_vout, "vout-filter", psz_string );
788 /*****************************************************************************
789 * vout_ControlDefault: default methods for video output control.
790 *****************************************************************************/
791 int vout_vaControlDefault( vout_thread_t *p_vout, int i_query, va_list args )
797 if( p_vout->p_parent_intf )
799 vlc_object_release( p_vout->p_parent_intf );
800 p_vout->p_parent_intf = NULL;
806 p_vout->b_snapshot = VLC_TRUE;
811 msg_Dbg( p_vout, "control query not supported" );
816 /*****************************************************************************
817 * InitWindowSize: find the initial dimensions the video window should have.
818 *****************************************************************************
819 * This function will check the "width", "height" and "zoom" config options and
820 * will calculate the size that the video window should have.
821 *****************************************************************************/
822 static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
823 unsigned *pi_height )
826 int i_width, i_height;
829 #define FP_FACTOR 1000 /* our fixed point factor */
831 var_Get( p_vout, "width", &val );
833 var_Get( p_vout, "height", &val );
834 i_height = val.i_int;
835 var_Get( p_vout, "zoom", &val );
836 ll_zoom = (uint64_t)( FP_FACTOR * val.f_float );
838 if( i_width > 0 && i_height > 0)
840 *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
841 *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
844 else if( i_width > 0 )
846 *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
847 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
848 p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
849 FP_FACTOR / p_vout->fmt_in.i_visible_width );
852 else if( i_height > 0 )
854 *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
855 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
856 p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
857 FP_FACTOR / p_vout->fmt_in.i_visible_height );
861 if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
863 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
864 p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
865 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
870 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
872 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
873 p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
877 msg_Dbg( p_vout, "window size: %dx%d", p_vout->i_window_width,
878 p_vout->i_window_height );
883 /*****************************************************************************
884 * Object variables callbacks
885 *****************************************************************************/
886 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
887 vlc_value_t oldval, vlc_value_t newval, void *p_data )
889 vout_thread_t *p_vout = (vout_thread_t *)p_this;
890 InitWindowSize( p_vout, &p_vout->i_window_width,
891 &p_vout->i_window_height );
892 vout_Control( p_vout, VOUT_SET_SIZE, p_vout->i_window_width,
893 p_vout->i_window_height );
897 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
898 vlc_value_t oldval, vlc_value_t newval, void *p_data )
900 vout_thread_t *p_vout = (vout_thread_t *)p_this;
901 int64_t i_aspect_num, i_aspect_den;
902 unsigned int i_width, i_height;
904 /* Restore defaults */
905 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
906 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
907 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
908 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
910 if( !strcmp( psz_cmd, "crop" ) )
912 char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
915 /* We're using the 3:4 syntax */
916 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
917 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
919 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
920 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
922 i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
923 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
924 i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
925 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
927 if( i_width < p_vout->fmt_render.i_visible_width )
929 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
930 (p_vout->fmt_render.i_visible_width - i_width) / 2;
931 p_vout->fmt_in.i_visible_width = i_width;
935 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
936 (p_vout->fmt_render.i_visible_height - i_height) / 2;
937 p_vout->fmt_in.i_visible_height = i_height;
942 psz_parser = strchr( newval.psz_string, 'x' );
945 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
946 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
948 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
949 if( psz_end != psz_parser ) goto crop_end;
951 psz_parser = strchr( ++psz_end, '+' );
952 i_crop_height = strtol( psz_end, &psz_end, 10 );
953 if( psz_end != psz_parser ) goto crop_end;
955 psz_parser = strchr( ++psz_end, '+' );
956 i_crop_left = strtol( psz_end, &psz_end, 10 );
957 if( psz_end != psz_parser ) goto crop_end;
960 i_crop_top = strtol( psz_end, &psz_end, 10 );
961 if( *psz_end != '\0' ) goto crop_end;
963 i_width = i_crop_width;
964 p_vout->fmt_in.i_visible_width = i_width;
966 i_height = i_crop_height;
967 p_vout->fmt_in.i_visible_height = i_height;
969 p_vout->fmt_in.i_x_offset = i_crop_left;
970 p_vout->fmt_in.i_y_offset = i_crop_top;
974 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
975 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
977 psz_parser = strchr( newval.psz_string, '+' );
978 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
979 if( psz_end != psz_parser ) goto crop_end;
981 psz_parser = strchr( ++psz_end, '+' );
982 i_crop_top = strtol( psz_end, &psz_end, 10 );
983 if( psz_end != psz_parser ) goto crop_end;
985 psz_parser = strchr( ++psz_end, '+' );
986 i_crop_right = strtol( psz_end, &psz_end, 10 );
987 if( psz_end != psz_parser ) goto crop_end;
990 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
991 if( *psz_end != '\0' ) goto crop_end;
993 i_width = p_vout->fmt_render.i_visible_width
994 - i_crop_left - i_crop_right;
995 p_vout->fmt_in.i_visible_width = i_width;
997 i_height = p_vout->fmt_render.i_visible_height
998 - i_crop_top - i_crop_bottom;
999 p_vout->fmt_in.i_visible_height = i_height;
1001 p_vout->fmt_in.i_x_offset = i_crop_left;
1002 p_vout->fmt_in.i_y_offset = i_crop_top;
1006 else if( !strcmp( psz_cmd, "crop-top" )
1007 || !strcmp( psz_cmd, "crop-left" )
1008 || !strcmp( psz_cmd, "crop-bottom" )
1009 || !strcmp( psz_cmd, "crop-right" ) )
1011 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
1013 i_crop_top = var_GetInteger( p_vout, "crop-top" );
1014 i_crop_left = var_GetInteger( p_vout, "crop-left" );
1015 i_crop_right = var_GetInteger( p_vout, "crop-right" );
1016 i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
1018 i_width = p_vout->fmt_render.i_visible_width
1019 - i_crop_left - i_crop_right;
1020 p_vout->fmt_in.i_visible_width = i_width;
1022 i_height = p_vout->fmt_render.i_visible_height
1023 - i_crop_top - i_crop_bottom;
1024 p_vout->fmt_in.i_visible_height = i_height;
1026 p_vout->fmt_in.i_x_offset = i_crop_left;
1027 p_vout->fmt_in.i_y_offset = i_crop_top;
1031 InitWindowSize( p_vout, &p_vout->i_window_width,
1032 &p_vout->i_window_height );
1034 p_vout->i_changes |= VOUT_CROP_CHANGE;
1036 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
1037 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
1038 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
1039 p_vout->fmt_in.i_visible_width,
1040 p_vout->fmt_in.i_visible_height );
1045 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
1046 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1048 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1049 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
1052 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
1054 /* Restore defaults */
1055 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
1056 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
1057 p_vout->fmt_in.i_aspect = p_vout->fmt_render.i_aspect;
1058 p_vout->render.i_aspect = p_vout->fmt_render.i_aspect;
1060 if( !psz_parser ) goto aspect_end;
1062 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
1063 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
1065 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
1066 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
1068 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
1069 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
1070 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
1071 p_vout->fmt_in.i_sar_num = i_sar_num;
1072 p_vout->fmt_in.i_sar_den = i_sar_den;
1073 p_vout->fmt_in.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
1074 p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
1077 if( p_vout->i_par_num && p_vout->i_par_den )
1079 p_vout->fmt_in.i_sar_num *= p_vout->i_par_den;
1080 p_vout->fmt_in.i_sar_den *= p_vout->i_par_num;
1081 p_vout->fmt_in.i_aspect = p_vout->fmt_in.i_aspect *
1082 p_vout->i_par_den / p_vout->i_par_num;
1083 p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
1086 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
1088 vlc_ureduce( &i_aspect_num, &i_aspect_den,
1089 p_vout->fmt_in.i_aspect, VOUT_ASPECT_FACTOR, 0 );
1090 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
1091 i_aspect_num, i_aspect_den,
1092 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
1094 var_Get( p_vout, "crop", &val );
1095 return CropCallback( p_this, "crop", val, val, 0 );
1100 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
1101 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1103 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1104 playlist_t *p_playlist = pl_Yield( p_this );
1105 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, newval.b_bool );
1107 /* Modify playlist as well because the vout might have to be restarted */
1108 var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL );
1109 var_Set( p_playlist, "video-on-top", newval );
1111 pl_Release( p_this );
1115 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
1116 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1118 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1120 playlist_t *p_playlist = pl_Yield( p_this );
1122 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1124 /* Modify playlist as well because the vout might have to be restarted */
1125 var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL );
1126 var_Set( p_playlist, "fullscreen", newval );
1127 pl_Release( p_playlist );
1129 /* Disable "always on top" in fullscreen mode */
1130 var_Get( p_vout, "video-on-top", &val );
1132 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP,
1133 (vlc_bool_t)!newval.b_bool );
1135 val.b_bool = VLC_TRUE;
1136 var_Set( p_vout, "intf-change", val );
1140 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
1141 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1143 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1144 vout_Control( p_vout, VOUT_SNAPSHOT );