1 /*****************************************************************************
2 * vout_intf.c : video output interface
3 *****************************************************************************
4 * Copyright (C) 2000-2007 the VideoLAN team
6 * Authors: Gildas Bazin <gbazin@videolan.org>
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 *****************************************************************************/
23 /*****************************************************************************
25 *****************************************************************************/
31 #include <vlc_common.h>
34 #include <stdlib.h> /* free() */
35 #include <sys/types.h> /* opendir() */
36 #include <dirent.h> /* opendir() */
38 #include <time.h> /* strftime */
40 #include <vlc_interface.h>
41 #include <vlc_block.h>
42 #include <vlc_playlist.h>
45 #include <vlc_image.h>
47 #include <vlc_strings.h>
48 #include <vlc_charset.h>
49 #include "../libvlc.h"
50 #include "vout_internal.h"
52 /*****************************************************************************
54 *****************************************************************************/
55 static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
57 /* Object variables callbacks */
58 static int ZoomCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
60 static int CropCallback( vlc_object_t *, char const *,
61 vlc_value_t, vlc_value_t, void * );
62 static int AspectCallback( vlc_object_t *, char const *,
63 vlc_value_t, vlc_value_t, void * );
64 static int ScalingCallback( vlc_object_t *, char const *,
65 vlc_value_t, vlc_value_t, void * );
66 static int OnTopCallback( vlc_object_t *, char const *,
67 vlc_value_t, vlc_value_t, void * );
68 static int FullscreenCallback( vlc_object_t *, char const *,
69 vlc_value_t, vlc_value_t, void * );
70 static int SnapshotCallback( vlc_object_t *, char const *,
71 vlc_value_t, vlc_value_t, void * );
73 static int TitleShowCallback( vlc_object_t *, char const *,
74 vlc_value_t, vlc_value_t, void * );
75 static int TitleTimeoutCallback( vlc_object_t *, char const *,
76 vlc_value_t, vlc_value_t, void * );
77 static int TitlePositionCallback( vlc_object_t *, char const *,
78 vlc_value_t, vlc_value_t, void * );
80 /*****************************************************************************
81 * vout_IntfInit: called during the vout creation to initialise misc things.
82 *****************************************************************************/
86 const char *psz_label;
88 { 0.25, N_("1:4 Quarter") },
89 { 0.5, N_("1:2 Half") },
90 { 1, N_("1:1 Original") },
91 { 2, N_("2:1 Double") },
96 const char *psz_value;
97 const char *psz_label;
99 { "", N_("Default") },
100 { "16:10", "16:10" },
102 { "185:100", "1.85:1" },
103 { "221:100", "2.21:1" },
104 { "235:100", "2.35:1" },
105 { "239:100", "2.39:1" },
114 const char *psz_value;
115 const char *psz_label;
116 } p_aspect_ratio_values[] = {
117 { "", N_("Default") },
121 { "16:10", "16:10" },
122 { "221:100", "2.21:1" },
126 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
131 char *psz_cur = psz_list;
133 while( psz_cur && *psz_cur )
135 vlc_value_t val, text;
136 psz_next = strchr( psz_cur, ',' );
142 val.psz_string = psz_cur;
143 text.psz_string = psz_cur;
144 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
149 void vout_IntfInit( vout_thread_t *p_vout )
151 vlc_value_t val, text, old_val;
152 bool b_force_par = false;
156 /* Create a few object variables we'll need later on */
157 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
158 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
159 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
160 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
161 var_Create( p_vout, "snapshot-sequential",
162 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
163 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
164 var_SetInteger( p_vout, "snapshot-num", 1 );
165 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
166 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
168 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
169 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
170 p_vout->i_alignment = var_CreateGetInteger( p_vout, "align" );
172 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
173 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
175 var_Create( p_vout, "mouse-hide-timeout",
176 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
178 p_vout->p->b_title_show = var_CreateGetBool( p_vout, "video-title-show" );
179 p_vout->p->i_title_timeout =
180 (mtime_t)var_CreateGetInteger( p_vout, "video-title-timeout" );
181 p_vout->p->i_title_position =
182 var_CreateGetInteger( p_vout, "video-title-position" );
183 p_vout->p->psz_title = NULL;
185 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
186 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
187 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
189 /* Zoom object var */
190 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
191 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
193 text.psz_string = _("Zoom");
194 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
196 var_Get( p_vout, "zoom", &old_val );
198 for( i = 0; p_zoom_values[i].f_value; i++ )
200 if( old_val.f_float == p_zoom_values[i].f_value )
201 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
202 val.f_float = p_zoom_values[i].f_value;
203 text.psz_string = _( p_zoom_values[i].psz_label );
204 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
207 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
209 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
211 /* Crop offset vars */
212 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
213 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
214 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
215 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
217 var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
218 var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
219 var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
220 var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
222 /* Crop object var */
223 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
224 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
226 text.psz_string = _("Crop");
227 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
229 val.psz_string = (char*)"";
230 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
232 for( i = 0; p_crop_values[i].psz_value; i++ )
234 val.psz_string = (char*)p_crop_values[i].psz_value;
235 text.psz_string = _( p_crop_values[i].psz_label );
236 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
239 /* update triggered every time the vout's crop parameters are changed */
240 var_Create( p_vout, "crop-update", VLC_VAR_VOID );
242 /* Add custom crop ratios */
243 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
246 AddCustomRatios( p_vout, "crop", psz_buf );
250 var_AddCallback( p_vout, "crop", CropCallback, NULL );
251 var_Get( p_vout, "crop", &old_val );
252 if( old_val.psz_string && *old_val.psz_string )
253 var_TriggerCallback( p_vout, "crop" );
254 free( old_val.psz_string );
256 /* Monitor pixel aspect-ratio */
257 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
258 var_Get( p_vout, "monitor-par", &val );
259 if( val.psz_string && *val.psz_string )
261 char *psz_parser = strchr( val.psz_string, ':' );
262 unsigned int i_aspect_num = 0, i_aspect_den = 0;
266 i_aspect_num = strtol( val.psz_string, 0, 10 );
267 i_aspect_den = strtol( ++psz_parser, 0, 10 );
271 i_aspect = us_atof( val.psz_string );
272 vlc_ureduce( &i_aspect_num, &i_aspect_den,
273 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
275 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
277 p_vout->p->i_par_num = i_aspect_num;
278 p_vout->p->i_par_den = i_aspect_den;
280 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
281 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
283 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
284 p_vout->p->i_par_num, p_vout->p->i_par_den );
287 free( val.psz_string );
289 /* Aspect-ratio object var */
290 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
291 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
293 text.psz_string = _("Aspect-ratio");
294 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
296 val.psz_string = (char*)"";
297 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
299 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
301 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
302 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
303 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
306 /* Add custom aspect ratios */
307 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
310 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
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_TriggerCallback( p_vout, "aspect-ratio" );
318 free( old_val.psz_string );
320 /* Add variables to manage scaling video */
321 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
322 | VLC_VAR_ISCOMMAND );
323 text.psz_string = _("Autoscale video");
324 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
325 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
326 p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
328 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
329 | VLC_VAR_ISCOMMAND );
330 text.psz_string = _("Scale factor");
331 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
332 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
333 p_vout->i_zoom = (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
335 /* Initialize the dimensions of the video window */
336 InitWindowSize( p_vout, &p_vout->i_window_width,
337 &p_vout->i_window_height );
339 /* Add a variable to indicate if the window should be on top of others */
340 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
341 | VLC_VAR_ISCOMMAND );
342 text.psz_string = _("Always on top");
343 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
344 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
346 /* Add a variable to indicate whether we want window decoration or not */
347 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
349 /* Add a fullscreen variable */
350 if( var_CreateGetBoolCommand( p_vout, "fullscreen" ) )
352 /* user requested fullscreen */
353 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
355 text.psz_string = _("Fullscreen");
356 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
357 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
359 /* Add a snapshot variable */
360 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
361 text.psz_string = _("Snapshot");
362 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
363 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
365 /* Mouse coordinates */
366 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
367 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
368 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
369 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
371 var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
372 var_SetBool( p_vout, "intf-change", true );
375 /*****************************************************************************
376 * vout_Snapshot: generates a snapshot.
377 *****************************************************************************/
379 * This function will inject a subpicture into the vout with the provided
382 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
384 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
385 p_pic, VLC_CODEC_YUVA );
389 /* FIXME DEFAULT_CHAN is not good (used by the text) but
390 * hardcoded 0 doesn't seem right */
391 p_subpic->i_channel = 0;
392 p_subpic->i_start = mdate();
393 p_subpic->i_stop = p_subpic->i_start + 4000000;
394 p_subpic->b_ephemer = true;
395 p_subpic->b_fade = true;
397 /* Reduce the picture to 1/4^2 of the screen */
398 p_subpic->i_original_picture_width *= 4;
399 p_subpic->i_original_picture_height *= 4;
401 spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
406 * This function will display the name and a PIP of the provided snapshot
408 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
410 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
411 vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN, "%s", psz_filename );
413 if( var_GetBool( p_vout, "snapshot-preview" ) )
415 if( VoutSnapshotPip( p_vout, p_pic ) )
416 msg_Warn( p_vout, "Failed to display snapshot" );
421 int vout_GetSnapshot( vout_thread_t *p_vout,
422 block_t **pp_image, picture_t **pp_picture,
423 video_format_t *p_fmt,
424 const char *psz_format, mtime_t i_timeout )
426 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
429 msg_Err( p_vout, "Failed to grab a snapshot" );
435 vlc_fourcc_t i_format = VLC_CODEC_PNG;
436 if( psz_format && image_Type2Fourcc( psz_format ) )
437 i_format = image_Type2Fourcc( psz_format );
439 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
440 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
442 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
443 p_picture, i_format, i_override_width, i_override_height ) )
445 msg_Err( p_vout, "Failed to convert image for snapshot" );
446 picture_Release( p_picture );
451 *pp_picture = p_picture;
453 picture_Release( p_picture );
458 * This function will handle a snapshot request
460 static void VoutSaveSnapshot( vout_thread_t *p_vout )
462 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
463 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
464 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
467 picture_t *p_picture;
472 * XXX it will cause trouble with low fps video (< 2fps) */
473 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
482 psz_path = vout_snapshot_GetDirectory();
485 msg_Err( p_vout, "no path specified for snapshots" );
490 vout_snapshot_save_cfg_t cfg;
491 memset( &cfg, 0, sizeof(cfg) );
492 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
493 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
495 cfg.format = psz_format;
496 cfg.prefix_fmt = psz_prefix;
500 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
501 p_image, VLC_OBJECT(p_vout), &cfg ) )
503 if( cfg.is_sequential )
504 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
506 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
508 /* signal creation of a new snapshot file */
509 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
511 free( psz_filename );
515 block_Release( p_image );
517 picture_Release( p_picture );
523 /*****************************************************************************
525 *****************************************************************************/
527 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
528 bool b_add, bool b_setconfig )
532 const char *psz_filter_type;
534 /* FIXME temporary hack */
535 const char *psz_module_name = psz_name;
536 if( !strcmp( psz_name, "magnify" ) ||
537 !strcmp( psz_name, "puzzle" ) ||
538 !strcmp( psz_name, "logo" ) ||
539 !strcmp( psz_name, "wall" ) ||
540 !strcmp( psz_name, "clone" ) )
541 psz_module_name = "video_filter_wrapper";
543 module_t *p_obj = module_find( psz_module_name );
546 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
550 if( module_provides( p_obj, "video filter" ) )
552 psz_filter_type = "vout-filter";
554 else if( module_provides( p_obj, "video filter2" ) )
556 psz_filter_type = "video-filter";
558 else if( module_provides( p_obj, "sub filter" ) )
560 psz_filter_type = "sub-filter";
564 module_release( p_obj );
565 msg_Err( p_vout, "Unknown video filter type." );
568 module_release( p_obj );
570 if( !strcmp( psz_filter_type, "sub-filter") )
571 psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
573 psz_string = var_GetString( p_vout, psz_filter_type );
575 /* Todo : Use some generic chain manipulation functions */
576 if( !psz_string ) psz_string = strdup("");
578 psz_parser = strstr( psz_string, psz_name );
583 psz_parser = psz_string;
584 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
585 psz_string, psz_name ) == -1 )
599 memmove( psz_parser, psz_parser + strlen(psz_name) +
600 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
601 strlen(psz_parser + strlen(psz_name)) + 1 );
603 /* Remove trailing : : */
604 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
606 *(psz_string+strlen(psz_string ) -1 ) = '\0';
618 if( !strcmp( psz_filter_type, "sub-filter") )
619 config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
621 config_PutPsz( p_vout, psz_filter_type, psz_string );
624 if( !strcmp( psz_filter_type, "sub-filter") )
625 var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
627 var_SetString( p_vout, psz_filter_type, psz_string );
632 /*****************************************************************************
633 * InitWindowSize: find the initial dimensions the video window should have.
634 *****************************************************************************
635 * This function will check the "width", "height" and "zoom" config options and
636 * will calculate the size that the video window should have.
637 *****************************************************************************/
638 static void InitWindowSize( vout_thread_t *p_vout, unsigned *pi_width,
639 unsigned *pi_height )
641 #define FP_FACTOR 1000 /* our fixed point factor */
643 int i_width = var_GetInteger( p_vout, "width" );
644 int i_height = var_GetInteger( p_vout, "height" );
645 float f_zoom = var_GetFloat( p_vout, "zoom" );
646 uint64_t ll_zoom = (uint64_t)( FP_FACTOR * f_zoom );
648 if( i_width > 0 && i_height > 0)
650 *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
651 *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
653 else if( i_width > 0 )
655 *pi_width = (int)( i_width * ll_zoom / FP_FACTOR );
656 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
657 p_vout->fmt_in.i_sar_den * i_width / p_vout->fmt_in.i_sar_num /
658 FP_FACTOR / p_vout->fmt_in.i_visible_width );
660 else if( i_height > 0 )
662 *pi_height = (int)( i_height * ll_zoom / FP_FACTOR );
663 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
664 p_vout->fmt_in.i_sar_num * i_height / p_vout->fmt_in.i_sar_den /
665 FP_FACTOR / p_vout->fmt_in.i_visible_height );
667 else if( p_vout->fmt_in.i_sar_num == 0 || p_vout->fmt_in.i_sar_den == 0 )
669 msg_Warn( p_vout, "aspect ratio screwed up" );
670 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom / FP_FACTOR );
671 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom /FP_FACTOR);
673 else if( p_vout->fmt_in.i_sar_num >= p_vout->fmt_in.i_sar_den )
675 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom *
676 p_vout->fmt_in.i_sar_num / p_vout->fmt_in.i_sar_den / FP_FACTOR );
677 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom
682 *pi_width = (int)( p_vout->fmt_in.i_visible_width * ll_zoom
684 *pi_height = (int)( p_vout->fmt_in.i_visible_height * ll_zoom *
685 p_vout->fmt_in.i_sar_den / p_vout->fmt_in.i_sar_num / FP_FACTOR );
688 msg_Dbg( p_vout, "window size: %ux%u", *pi_width, *pi_height );
693 /*****************************************************************************
694 * Object variables callbacks
695 *****************************************************************************/
696 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
697 vlc_value_t oldval, vlc_value_t newval, void *p_data )
699 (void)psz_cmd; (void)oldval; (void)p_data;
701 return var_SetFloat( p_this, "scale", newval.f_float );
704 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
705 vlc_value_t oldval, vlc_value_t newval, void *p_data )
707 vout_thread_t *p_vout = (vout_thread_t *)p_this;
708 int64_t i_aspect_num, i_aspect_den;
709 unsigned int i_width, i_height;
711 (void)oldval; (void)p_data;
713 /* Restore defaults */
714 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
715 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
716 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
717 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
719 if( !strcmp( psz_cmd, "crop" ) )
721 char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
724 /* We're using the 3:4 syntax */
725 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
726 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
728 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
729 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
731 i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
732 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
733 i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
734 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
736 if( i_width < p_vout->fmt_render.i_visible_width )
738 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
739 (p_vout->fmt_render.i_visible_width - i_width) / 2;
740 p_vout->fmt_in.i_visible_width = i_width;
744 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
745 (p_vout->fmt_render.i_visible_height - i_height) / 2;
746 p_vout->fmt_in.i_visible_height = i_height;
751 psz_parser = strchr( newval.psz_string, 'x' );
754 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
755 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
757 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
758 if( psz_end != psz_parser ) goto crop_end;
760 psz_parser = strchr( ++psz_end, '+' );
761 i_crop_height = strtol( psz_end, &psz_end, 10 );
762 if( psz_end != psz_parser ) goto crop_end;
764 psz_parser = strchr( ++psz_end, '+' );
765 i_crop_left = strtol( psz_end, &psz_end, 10 );
766 if( psz_end != psz_parser ) goto crop_end;
769 i_crop_top = strtol( psz_end, &psz_end, 10 );
770 if( *psz_end != '\0' ) goto crop_end;
772 if( i_crop_top + i_crop_height >= p_vout->fmt_render.i_visible_height ||
773 i_crop_left + i_crop_width >= p_vout->fmt_render.i_visible_width )
775 msg_Err( p_vout, "Unable to crop over picture boundaries");
779 i_width = i_crop_width;
780 p_vout->fmt_in.i_visible_width = i_width;
782 i_height = i_crop_height;
783 p_vout->fmt_in.i_visible_height = i_height;
785 p_vout->fmt_in.i_x_offset = i_crop_left;
786 p_vout->fmt_in.i_y_offset = i_crop_top;
790 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
791 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
793 psz_parser = strchr( newval.psz_string, '+' );
794 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
795 if( psz_end != psz_parser ) goto crop_end;
797 psz_parser = strchr( ++psz_end, '+' );
798 i_crop_top = strtol( psz_end, &psz_end, 10 );
799 if( psz_end != psz_parser ) goto crop_end;
801 psz_parser = strchr( ++psz_end, '+' );
802 i_crop_right = strtol( psz_end, &psz_end, 10 );
803 if( psz_end != psz_parser ) goto crop_end;
806 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
807 if( *psz_end != '\0' ) goto crop_end;
809 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
810 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
812 msg_Err( p_vout, "Unable to crop over picture boundaries" );
816 i_width = p_vout->fmt_render.i_visible_width
817 - i_crop_left - i_crop_right;
818 p_vout->fmt_in.i_visible_width = i_width;
820 i_height = p_vout->fmt_render.i_visible_height
821 - i_crop_top - i_crop_bottom;
822 p_vout->fmt_in.i_visible_height = i_height;
824 p_vout->fmt_in.i_x_offset = i_crop_left;
825 p_vout->fmt_in.i_y_offset = i_crop_top;
829 else if( !strcmp( psz_cmd, "crop-top" )
830 || !strcmp( psz_cmd, "crop-left" )
831 || !strcmp( psz_cmd, "crop-bottom" )
832 || !strcmp( psz_cmd, "crop-right" ) )
834 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
836 i_crop_top = var_GetInteger( p_vout, "crop-top" );
837 i_crop_left = var_GetInteger( p_vout, "crop-left" );
838 i_crop_right = var_GetInteger( p_vout, "crop-right" );
839 i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
841 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
842 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
844 msg_Err( p_vout, "Unable to crop over picture boundaries" );
848 i_width = p_vout->fmt_render.i_visible_width
849 - i_crop_left - i_crop_right;
850 p_vout->fmt_in.i_visible_width = i_width;
852 i_height = p_vout->fmt_render.i_visible_height
853 - i_crop_top - i_crop_bottom;
854 p_vout->fmt_in.i_visible_height = i_height;
856 p_vout->fmt_in.i_x_offset = i_crop_left;
857 p_vout->fmt_in.i_y_offset = i_crop_top;
861 InitWindowSize( p_vout, &p_vout->i_window_width,
862 &p_vout->i_window_height );
864 p_vout->i_changes |= VOUT_CROP_CHANGE;
866 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
867 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
868 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
869 p_vout->fmt_in.i_visible_width,
870 p_vout->fmt_in.i_visible_height );
872 var_TriggerCallback( p_vout, "crop-update" );
877 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
878 vlc_value_t oldval, vlc_value_t newval, void *p_data )
880 vout_thread_t *p_vout = (vout_thread_t *)p_this;
881 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
884 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
885 (void)psz_cmd; (void)oldval; (void)p_data;
887 /* Restore defaults */
888 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
889 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
890 p_vout->render.i_aspect = (int64_t)p_vout->fmt_render.i_sar_num *
891 p_vout->fmt_render.i_width *
893 p_vout->fmt_render.i_sar_den / p_vout->fmt_render.i_height;
895 if( !psz_parser ) goto aspect_end;
897 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
898 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
900 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
901 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
903 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
904 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
905 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
906 p_vout->fmt_in.i_sar_num = i_sar_num;
907 p_vout->fmt_in.i_sar_den = i_sar_den;
908 p_vout->render.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
911 if( p_vout->p->i_par_num && p_vout->p->i_par_den )
913 p_vout->fmt_in.i_sar_num *= p_vout->p->i_par_den;
914 p_vout->fmt_in.i_sar_den *= p_vout->p->i_par_num;
915 p_vout->render.i_aspect = (int64_t)p_vout->fmt_in.i_sar_num *
916 p_vout->fmt_in.i_width *
918 p_vout->fmt_in.i_sar_den /
919 p_vout->fmt_in.i_height;
922 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
924 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
925 p_vout->fmt_in.i_sar_num * p_vout->fmt_in.i_width,
926 p_vout->fmt_in.i_sar_den * p_vout->fmt_in.i_height,
927 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
929 if( var_Get( p_vout, "crop", &val ) )
932 int i_ret = CropCallback( p_this, "crop", val, val, 0 );
933 free( val.psz_string );
937 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
938 vlc_value_t oldval, vlc_value_t newval, void *p_data )
940 vout_thread_t *p_vout = (vout_thread_t *)p_this;
941 (void)oldval; (void)newval; (void)p_data;
943 vlc_mutex_lock( &p_vout->change_lock );
945 if( !strcmp( psz_cmd, "autoscale" ) )
947 p_vout->i_changes |= VOUT_SCALE_CHANGE;
949 else if( !strcmp( psz_cmd, "scale" ) )
951 p_vout->i_changes |= VOUT_ZOOM_CHANGE;
954 vlc_mutex_unlock( &p_vout->change_lock );
959 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
960 vlc_value_t oldval, vlc_value_t newval, void *p_data )
962 vout_thread_t *p_vout = (vout_thread_t *)p_this;
964 vlc_mutex_lock( &p_vout->change_lock );
965 p_vout->i_changes |= VOUT_ON_TOP_CHANGE;
966 p_vout->b_on_top = newval.b_bool;
967 vlc_mutex_unlock( &p_vout->change_lock );
969 (void)psz_cmd; (void)oldval; (void)p_data;
973 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
974 vlc_value_t oldval, vlc_value_t newval, void *p_data )
976 vout_thread_t *p_vout = (vout_thread_t *)p_this;
978 (void)psz_cmd; (void)p_data;
980 if( oldval.b_bool == newval.b_bool )
981 return VLC_SUCCESS; /* no-op */
982 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
985 var_Set( p_vout, "intf-change", val );
989 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
990 vlc_value_t oldval, vlc_value_t newval, void *p_data )
992 vout_thread_t *p_vout = (vout_thread_t *)p_this;
993 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
994 VLC_UNUSED(newval); VLC_UNUSED(p_data);
996 VoutSaveSnapshot( p_vout );
1000 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
1001 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1003 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
1005 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1006 p_vout->p->b_title_show = newval.b_bool;
1010 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
1011 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1013 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1014 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1015 p_vout->p->i_title_timeout = (mtime_t) newval.i_int;
1019 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
1020 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1022 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
1024 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1025 p_vout->p->i_title_position = newval.i_int;