1 /*****************************************************************************
2 * vout_intf.c : video output interface
3 *****************************************************************************
4 * Copyright (C) 2000-2004 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 *****************************************************************************/
27 #include <stdlib.h> /* free() */
31 #include <vlc_block.h>
33 #include "vlc_video.h"
34 #include "video_output.h"
35 #include "vlc_image.h"
40 /*****************************************************************************
42 *****************************************************************************/
43 static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
45 /* Object variables callbacks */
46 static int ZoomCallback( vlc_object_t *, char const *,
47 vlc_value_t, vlc_value_t, void * );
48 static int CropCallback( vlc_object_t *, char const *,
49 vlc_value_t, vlc_value_t, void * );
50 static int AspectCallback( vlc_object_t *, char const *,
51 vlc_value_t, vlc_value_t, void * );
52 static int OnTopCallback( vlc_object_t *, char const *,
53 vlc_value_t, vlc_value_t, void * );
54 static int FullscreenCallback( vlc_object_t *, char const *,
55 vlc_value_t, vlc_value_t, void * );
56 static int SnapshotCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
59 /*****************************************************************************
60 * vout_RequestWindow: Create/Get a video window if possible.
61 *****************************************************************************
62 * This function looks for the main interface and tries to request
63 * a new video window. If it fails then the vout will still need to create the
65 *****************************************************************************/
66 void *vout_RequestWindow( vout_thread_t *p_vout,
67 int *pi_x_hint, int *pi_y_hint,
68 unsigned int *pi_width_hint,
69 unsigned int *pi_height_hint )
71 intf_thread_t *p_intf = NULL;
78 if( !var_Type( p_vout, "aspect-ratio" ) ) vout_IntfInit( p_vout );
80 /* Get requested coordinates */
81 var_Get( p_vout, "video-x", &val );
82 *pi_x_hint = val.i_int ;
83 var_Get( p_vout, "video-y", &val );
84 *pi_y_hint = val.i_int;
86 *pi_width_hint = p_vout->i_window_width;
87 *pi_height_hint = p_vout->i_window_height;
89 /* Check whether someone provided us with a window ID */
90 var_Get( p_vout->p_vlc, "drawable", &val );
91 if( val.i_int ) return (void *)val.i_int;
93 /* Find if the main interface supports embedding */
94 p_list = vlc_list_find( p_vout, VLC_OBJECT_INTF, FIND_ANYWHERE );
95 if( !p_list ) return NULL;
97 for( i = 0; i < p_list->i_count; i++ )
99 p_intf = (intf_thread_t *)p_list->p_values[i].p_object;
100 if( p_intf->b_block && p_intf->pf_request_window ) break;
106 vlc_list_release( p_list );
110 vlc_object_yield( p_intf );
111 vlc_list_release( p_list );
113 p_window = p_intf->pf_request_window( p_intf, p_vout, pi_x_hint, pi_y_hint,
114 pi_width_hint, pi_height_hint );
116 if( !p_window ) vlc_object_release( p_intf );
117 else p_vout->p_parent_intf = p_intf;
122 void vout_ReleaseWindow( vout_thread_t *p_vout, void *p_window )
124 intf_thread_t *p_intf = p_vout->p_parent_intf;
126 if( !p_intf ) return;
128 vlc_mutex_lock( &p_intf->object_lock );
131 vlc_mutex_unlock( &p_intf->object_lock );
135 if( !p_intf->pf_release_window )
137 msg_Err( p_vout, "no pf_release_window");
138 vlc_mutex_unlock( &p_intf->object_lock );
139 vlc_object_release( p_intf );
143 p_intf->pf_release_window( p_intf, p_window );
145 p_vout->p_parent_intf = NULL;
146 vlc_mutex_unlock( &p_intf->object_lock );
147 vlc_object_release( p_intf );
150 int vout_ControlWindow( vout_thread_t *p_vout, void *p_window,
151 int i_query, va_list args )
153 intf_thread_t *p_intf = p_vout->p_parent_intf;
156 if( !p_intf ) return VLC_EGENERIC;
158 vlc_mutex_lock( &p_intf->object_lock );
161 vlc_mutex_unlock( &p_intf->object_lock );
165 if( !p_intf->pf_control_window )
167 msg_Err( p_vout, "no pf_control_window");
168 vlc_mutex_unlock( &p_intf->object_lock );
172 i_ret = p_intf->pf_control_window( p_intf, p_window, i_query, args );
173 vlc_mutex_unlock( &p_intf->object_lock );
177 /*****************************************************************************
178 * vout_IntfInit: called during the vout creation to initialise misc things.
179 *****************************************************************************/
180 void vout_IntfInit( vout_thread_t *p_vout )
182 vlc_value_t val, text, old_val;
183 vlc_bool_t b_force_par = VLC_FALSE;
185 /* Create a few object variables we'll need later on */
186 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
187 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
188 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
189 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
190 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
191 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
192 var_Get( p_vout, "align", &val );
193 p_vout->i_alignment = val.i_int;
195 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
196 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
198 /* Zoom object var */
199 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
200 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
202 text.psz_string = _("Zoom");
203 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
205 var_Get( p_vout, "zoom", &old_val );
206 if( old_val.f_float == 0.25 ||
207 old_val.f_float == 0.5 ||
208 old_val.f_float == 1 ||
209 old_val.f_float == 2 )
211 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
214 val.f_float = 0.25; text.psz_string = _("1:4 Quarter");
215 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
216 val.f_float = 0.5; text.psz_string = _("1:2 Half");
217 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
218 val.f_float = 1; text.psz_string = _("1:1 Original");
219 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
220 val.f_float = 2; text.psz_string = _("2:1 Double");
221 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
223 var_Set( p_vout, "zoom", old_val );
225 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
227 /* Crop object var */
228 var_Create( p_vout, "crop", VLC_VAR_STRING |
229 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
231 text.psz_string = _("Crop");
232 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
235 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
236 val.psz_string = ""; text.psz_string = _("Default");
237 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
238 val.psz_string = "001:1"; text.psz_string = "1:1";
239 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
240 val.psz_string = "004:3"; text.psz_string = "4:3";
241 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
242 val.psz_string = "016:9"; text.psz_string = "16:9";
243 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
244 val.psz_string = "16:10"; text.psz_string = "16:10";
245 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
246 val.psz_string = "221:100"; text.psz_string = "221:100";
247 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
248 val.psz_string = "5:4"; text.psz_string = "5:4";
249 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
251 var_AddCallback( p_vout, "crop", CropCallback, NULL );
252 var_Get( p_vout, "crop", &old_val );
253 if( old_val.psz_string && *old_val.psz_string )
254 var_Change( p_vout, "crop", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
255 if( old_val.psz_string ) free( old_val.psz_string );
257 /* Monitor pixel aspect-ratio */
258 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
259 var_Get( p_vout, "monitor-par", &val );
260 if( val.psz_string && *val.psz_string )
262 char *psz_parser = strchr( val.psz_string, ':' );
263 unsigned int i_aspect_num = 0, i_aspect_den = 0;
267 i_aspect_num = strtol( val.psz_string, 0, 0 );
268 i_aspect_den = strtol( ++psz_parser, 0, 0 );
272 i_aspect = atof( val.psz_string );
273 vlc_ureduce( &i_aspect_num, &i_aspect_den,
274 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
276 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
278 p_vout->i_par_num = i_aspect_num;
279 p_vout->i_par_den = i_aspect_den;
281 vlc_ureduce( &p_vout->i_par_num, &p_vout->i_par_den,
282 p_vout->i_par_num, p_vout->i_par_den, 0 );
284 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
285 p_vout->i_par_num, p_vout->i_par_den );
286 b_force_par = VLC_TRUE;
288 if( val.psz_string ) free( val.psz_string );
290 /* Aspect-ratio object var */
291 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING |
292 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
294 text.psz_string = _("Aspect-ratio");
295 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
298 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
299 val.psz_string = ""; text.psz_string = _("Default");
300 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
301 val.psz_string = "001:1"; text.psz_string = "1:1";
302 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
303 val.psz_string = "004:3"; text.psz_string = "4:3";
304 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
305 val.psz_string = "016:9"; text.psz_string = "16:9";
306 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
307 val.psz_string = "16:10"; text.psz_string = "16:10";
308 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
309 val.psz_string = "221:100"; text.psz_string = "221:100";
310 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
311 val.psz_string = "5:4"; text.psz_string = "5:4";
312 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
314 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
315 var_Get( p_vout, "aspect-ratio", &old_val );
316 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
317 var_Change( p_vout, "aspect-ratio", VLC_VAR_TRIGGER_CALLBACKS, 0, 0 );
318 if( old_val.psz_string ) free( old_val.psz_string );
320 /* Initialize the dimensions of the video window */
321 InitWindowSize( p_vout, &p_vout->i_window_width,
322 &p_vout->i_window_height );
324 /* Add a variable to indicate if the window should be on top of others */
325 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
326 text.psz_string = _("Always on top");
327 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
328 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
330 /* Add a variable to indicate whether we want window decoration or not */
331 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
333 /* Add a fullscreen variable */
334 var_Create( p_vout, "fullscreen", VLC_VAR_BOOL );
335 text.psz_string = _("Fullscreen");
336 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
337 var_Change( p_vout, "fullscreen", VLC_VAR_INHERITVALUE, &val, NULL );
340 /* user requested fullscreen */
341 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
343 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
345 /* Add a snapshot variable */
346 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
347 text.psz_string = _("Snapshot");
348 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
349 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
351 /* Mouse coordinates */
352 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
353 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
354 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
355 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
356 var_Create( p_vout, "mouse-clicked", VLC_VAR_INTEGER );
358 var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
359 val.b_bool = VLC_TRUE;
360 var_Set( p_vout, "intf-change", val );
363 /*****************************************************************************
364 * vout_Snapshot: generates a snapshot.
365 *****************************************************************************/
366 int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
368 image_handler_t *p_image = image_HandlerCreate( p_vout );
369 video_format_t fmt_in = {0}, fmt_out = {0};
371 subpicture_t *p_subpic;
373 vlc_value_t val, format;
376 var_Get( p_vout, "snapshot-path", &val );
377 if( val.psz_string && !*val.psz_string )
379 free( val.psz_string );
383 /* Embedded snapshot : if snapshot-path == object:object-id, then
384 create a snapshot_t* and store it in
385 object(object-id)->p_private, then unlock and signal the
388 if( val.psz_string && !strncmp( val.psz_string, "object:", 7 ) )
391 vlc_object_t* p_dest;
393 snapshot_t *p_snapshot;
396 /* Destination object-id is following object: */
397 i_id = atoi( &val.psz_string[7] );
398 p_dest = ( vlc_object_t* )vlc_current_object( i_id );
401 msg_Err( p_vout, "Cannot find calling object" );
402 image_HandlerDelete( p_image );
405 /* Object must be locked. We will unlock it once we get the
406 snapshot and written it to p_private */
407 p_dest->p_private = NULL;
409 /* Save the snapshot to a memory zone */
410 fmt_in = p_vout->fmt_in;
411 fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
412 /* FIXME: should not be hardcoded. We should be able to
413 specify the snapshot size (snapshot-width and snapshot-height). */
414 fmt_out.i_width = 320;
415 fmt_out.i_height = 200;
416 fmt_out.i_chroma = VLC_FOURCC( 'p','n','g',' ' );
417 p_block = ( block_t* ) image_Write( p_image, p_pic, &fmt_in, &fmt_out );
420 msg_Err( p_vout, "Could not get snapshot" );
421 image_HandlerDelete( p_image );
422 vlc_cond_signal( &p_dest->object_wait );
423 vlc_mutex_unlock( &p_dest->object_lock );
424 vlc_object_release( p_dest );
428 /* Copy the p_block data to a snapshot structure */
429 /* FIXME: get the timestamp */
430 p_snapshot = ( snapshot_t* ) malloc( sizeof( snapshot_t ) );
433 block_Release( p_block );
434 image_HandlerDelete( p_image );
435 vlc_cond_signal( &p_dest->object_wait );
436 vlc_mutex_unlock( &p_dest->object_lock );
437 vlc_object_release( p_dest );
441 i_size = p_block->i_buffer;
443 p_snapshot->i_width = fmt_out.i_width;
444 p_snapshot->i_height = fmt_out.i_height;
445 p_snapshot->i_datasize = i_size;
446 p_snapshot->date = p_block->i_pts; /* FIXME ?? */
447 p_snapshot->p_data = ( char* ) malloc( i_size );
448 if( !p_snapshot->p_data )
450 block_Release( p_block );
452 image_HandlerDelete( p_image );
453 vlc_cond_signal( &p_dest->object_wait );
454 vlc_mutex_unlock( &p_dest->object_lock );
455 vlc_object_release( p_dest );
458 memcpy( p_snapshot->p_data, p_block->p_buffer, p_block->i_buffer );
460 p_dest->p_private = p_snapshot;
462 block_Release( p_block );
464 /* Unlock the object */
465 vlc_cond_signal( &p_dest->object_wait );
466 vlc_mutex_unlock( &p_dest->object_lock );
467 vlc_object_release( p_dest );
469 image_HandlerDelete( p_image );
474 #if defined(__APPLE__) || defined(SYS_BEOS)
475 if( !val.psz_string && p_vout->p_vlc->psz_homedir )
477 asprintf( &val.psz_string, "%s/Desktop",
478 p_vout->p_vlc->psz_homedir );
481 #elif defined(WIN32) && !defined(UNDER_CE)
482 if( !val.psz_string && p_vout->p_vlc->psz_homedir )
484 /* Get the My Pictures folder path */
486 char *p_mypicturesdir = NULL;
487 typedef HRESULT (WINAPI *SHGETFOLDERPATH)( HWND, int, HANDLE, DWORD,
489 #ifndef CSIDL_FLAG_CREATE
490 # define CSIDL_FLAG_CREATE 0x8000
492 #ifndef CSIDL_MYPICTURES
493 # define CSIDL_MYPICTURES 0x27
495 #ifndef SHGFP_TYPE_CURRENT
496 # define SHGFP_TYPE_CURRENT 0
499 HINSTANCE shfolder_dll;
500 SHGETFOLDERPATH SHGetFolderPath ;
502 /* load the shfolder dll to retrieve SHGetFolderPath */
503 if( ( shfolder_dll = LoadLibrary( _T("SHFolder.dll") ) ) != NULL )
505 SHGetFolderPath = (void *)GetProcAddress( shfolder_dll,
506 _T("SHGetFolderPathA") );
507 if( SHGetFolderPath != NULL )
509 p_mypicturesdir = (char *)malloc( MAX_PATH );
510 if( p_mypicturesdir )
513 if( S_OK != SHGetFolderPath( NULL,
514 CSIDL_MYPICTURES | CSIDL_FLAG_CREATE,
515 NULL, SHGFP_TYPE_CURRENT,
518 free( p_mypicturesdir );
519 p_mypicturesdir = NULL;
523 FreeLibrary( shfolder_dll );
526 if( p_mypicturesdir == NULL )
528 asprintf( &val.psz_string, "%s/" CONFIG_DIR,
529 p_vout->p_vlc->psz_homedir );
533 asprintf( &val.psz_string, p_mypicturesdir );
534 free( p_mypicturesdir );
539 if( !val.psz_string && p_vout->p_vlc->psz_homedir )
541 asprintf( &val.psz_string, "%s/" CONFIG_DIR,
542 p_vout->p_vlc->psz_homedir );
546 if( !val.psz_string )
548 msg_Err( p_vout, "no directory specified for snapshots" );
551 var_Get( p_vout, "snapshot-format", &format );
552 if( !format.psz_string || !*format.psz_string )
554 if( format.psz_string ) free( format.psz_string );
555 format.psz_string = strdup( "png" );
558 asprintf( &psz_filename, "%s/vlcsnap-%u.%s", val.psz_string,
559 (unsigned int)(p_pic->date / 100000) & 0xFFFFFF,
561 free( val.psz_string );
562 free( format.psz_string );
564 /* Save the snapshot */
565 fmt_in = p_vout->fmt_in;
566 fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
567 i_ret = image_WriteUrl( p_image, p_pic, &fmt_in, &fmt_out, psz_filename );
568 if( i_ret != VLC_SUCCESS )
570 msg_Err( p_vout, "could not create snapshot %s", psz_filename );
571 free( psz_filename );
572 image_HandlerDelete( p_image );
576 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
577 free( psz_filename );
579 if( var_GetBool( p_vout, "snapshot-preview" ) )
581 /* Inject a subpicture with the snapshot */
582 memset( &fmt_out, 0, sizeof(fmt_out) );
583 fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
584 p_pif = image_Convert( p_image, p_pic, &fmt_in, &fmt_out );
585 image_HandlerDelete( p_image );
586 if( !p_pif ) return VLC_EGENERIC;
588 p_subpic = spu_CreateSubpicture( p_vout->p_spu );
589 if( p_subpic == NULL )
591 p_pif->pf_release( p_pif );
595 p_subpic->i_channel = 0;
596 p_subpic->i_start = mdate();
597 p_subpic->i_stop = mdate() + 4000000;
598 p_subpic->b_ephemer = VLC_TRUE;
599 p_subpic->b_fade = VLC_TRUE;
600 p_subpic->i_original_picture_width = p_vout->render.i_width * 4;
601 p_subpic->i_original_picture_height = p_vout->render.i_height * 4;
603 p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
604 vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture,
606 p_pif->pf_release( p_pif );
608 spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
612 image_HandlerDelete( p_image );
618 /*****************************************************************************
619 * vout_ControlDefault: default methods for video output control.
620 *****************************************************************************/
621 int vout_vaControlDefault( vout_thread_t *p_vout, int i_query, va_list args )
627 if( p_vout->p_parent_intf )
629 vlc_object_release( p_vout->p_parent_intf );
630 p_vout->p_parent_intf = NULL;
636 p_vout->b_snapshot = VLC_TRUE;
641 msg_Dbg( p_vout, "control query not supported" );
646 /*****************************************************************************
647 * InitWindowSize: find the initial dimensions the video window should have.
648 *****************************************************************************
649 * This function will check the "width", "height" and "zoom" config options and
650 * will calculate the size that the video window should have.
651 *****************************************************************************/
652 static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
653 unsigned *pi_height )
656 int i_width, i_height;
659 #define FP_FACTOR 1000 /* our fixed point factor */
661 var_Get( p_vout, "width", &val );
663 var_Get( p_vout, "height", &val );
664 i_height = val.i_int;
665 var_Get( p_vout, "zoom", &val );
666 ll_zoom = (uint64_t)( FP_FACTOR * val.f_float );
668 if( i_width > 0 && i_height > 0)
670 *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
671 *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
674 else if( i_width > 0 )
676 *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
677 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
678 p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
679 FP_FACTOR / p_vout->fmt_in.i_visible_width );
682 else if( i_height > 0 )
684 *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
685 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
686 p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
687 FP_FACTOR / p_vout->fmt_in.i_visible_height );
691 if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
693 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
694 p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
695 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
700 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
702 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
703 p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
707 msg_Dbg( p_vout, "window size: %dx%d", p_vout->i_window_width,
708 p_vout->i_window_height );
713 /*****************************************************************************
714 * Object variables callbacks
715 *****************************************************************************/
716 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
717 vlc_value_t oldval, vlc_value_t newval, void *p_data )
719 vout_thread_t *p_vout = (vout_thread_t *)p_this;
720 InitWindowSize( p_vout, &p_vout->i_window_width,
721 &p_vout->i_window_height );
722 vout_Control( p_vout, VOUT_SET_SIZE, p_vout->i_window_width,
723 p_vout->i_window_height );
727 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
728 vlc_value_t oldval, vlc_value_t newval, void *p_data )
730 vout_thread_t *p_vout = (vout_thread_t *)p_this;
731 int64_t i_aspect_num, i_aspect_den;
732 unsigned int i_width, i_height;
734 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
736 /* Restore defaults */
737 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
738 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
739 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
740 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
742 if( !psz_parser ) goto crop_end;
744 i_aspect_num = strtol( newval.psz_string, &psz_end, 0 );
745 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
747 i_aspect_den = strtol( ++psz_parser, &psz_end, 0 );
748 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
750 i_width = p_vout->fmt_in.i_sar_den * p_vout->fmt_render.i_visible_height *
751 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
752 i_height = p_vout->fmt_render.i_visible_width * p_vout->fmt_in.i_sar_num *
753 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
755 if( i_width < p_vout->fmt_render.i_visible_width )
757 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
758 (p_vout->fmt_render.i_visible_width - i_width) / 2;
759 p_vout->fmt_in.i_visible_width = i_width;
763 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
764 (p_vout->fmt_render.i_visible_height - i_height) / 2;
765 p_vout->fmt_in.i_visible_height = i_height;
769 InitWindowSize( p_vout, &p_vout->i_window_width,
770 &p_vout->i_window_height );
772 p_vout->i_changes |= VOUT_CROP_CHANGE;
774 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
775 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
776 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
777 p_vout->fmt_in.i_visible_width,
778 p_vout->fmt_in.i_visible_height );
783 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
784 vlc_value_t oldval, vlc_value_t newval, void *p_data )
786 vout_thread_t *p_vout = (vout_thread_t *)p_this;
787 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
790 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
792 /* Restore defaults */
793 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
794 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
795 p_vout->fmt_in.i_aspect = p_vout->fmt_render.i_aspect;
796 p_vout->render.i_aspect = p_vout->fmt_render.i_aspect;
798 if( !psz_parser ) goto aspect_end;
800 i_aspect_num = strtol( newval.psz_string, &psz_end, 0 );
801 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
803 i_aspect_den = strtol( ++psz_parser, &psz_end, 0 );
804 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
806 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
807 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
808 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
809 p_vout->fmt_in.i_sar_num = i_sar_num;
810 p_vout->fmt_in.i_sar_den = i_sar_den;
811 p_vout->fmt_in.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
812 p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
815 if( p_vout->i_par_num && p_vout->i_par_den )
817 p_vout->fmt_in.i_sar_num *= p_vout->i_par_den;
818 p_vout->fmt_in.i_sar_den *= p_vout->i_par_num;
819 p_vout->fmt_in.i_aspect = p_vout->fmt_in.i_aspect *
820 p_vout->i_par_den / p_vout->i_par_num;
821 p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
824 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
826 vlc_ureduce( &i_aspect_num, &i_aspect_den,
827 p_vout->fmt_in.i_aspect, VOUT_ASPECT_FACTOR, 0 );
828 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
829 i_aspect_num, i_aspect_den,
830 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
832 var_Get( p_vout, "crop", &val );
833 return CropCallback( p_this, 0, val, val, 0 );
838 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
839 vlc_value_t oldval, vlc_value_t newval, void *p_data )
841 vout_thread_t *p_vout = (vout_thread_t *)p_this;
842 playlist_t *p_playlist;
843 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, newval.b_bool );
845 p_playlist = (playlist_t *)vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
849 /* Modify playlist as well because the vout might have to be restarted */
850 var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL );
851 var_Set( p_playlist, "video-on-top", newval );
853 vlc_object_release( p_playlist );
858 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
859 vlc_value_t oldval, vlc_value_t newval, void *p_data )
861 vout_thread_t *p_vout = (vout_thread_t *)p_this;
862 playlist_t *p_playlist;
865 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
867 p_playlist = (playlist_t *)vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
871 /* Modify playlist as well because the vout might have to be restarted */
872 var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL );
873 var_Set( p_playlist, "fullscreen", newval );
875 vlc_object_release( p_playlist );
878 /* Disable "always on top" in fullscreen mode */
879 var_Get( p_vout, "video-on-top", &val );
880 if( newval.b_bool && val.b_bool )
882 val.b_bool = VLC_FALSE;
883 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, val.b_bool );
885 else if( !newval.b_bool && val.b_bool )
887 vout_Control( p_vout, VOUT_SET_STAY_ON_TOP, val.b_bool );
890 val.b_bool = VLC_TRUE;
891 var_Set( p_vout, "intf-change", val );
895 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
896 vlc_value_t oldval, vlc_value_t newval, void *p_data )
898 vout_thread_t *p_vout = (vout_thread_t *)p_this;
899 vout_Control( p_vout, VOUT_SNAPSHOT );