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 /* Object variables callbacks */
56 static int ZoomCallback( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
58 static int CropCallback( vlc_object_t *, char const *,
59 vlc_value_t, vlc_value_t, void * );
60 static int AspectCallback( vlc_object_t *, char const *,
61 vlc_value_t, vlc_value_t, void * );
62 static int ScalingCallback( vlc_object_t *, char const *,
63 vlc_value_t, vlc_value_t, void * );
64 static int OnTopCallback( vlc_object_t *, char const *,
65 vlc_value_t, vlc_value_t, void * );
66 static int FullscreenCallback( vlc_object_t *, char const *,
67 vlc_value_t, vlc_value_t, void * );
68 static int SnapshotCallback( vlc_object_t *, char const *,
69 vlc_value_t, vlc_value_t, void * );
71 static int TitleShowCallback( vlc_object_t *, char const *,
72 vlc_value_t, vlc_value_t, void * );
73 static int TitleTimeoutCallback( vlc_object_t *, char const *,
74 vlc_value_t, vlc_value_t, void * );
75 static int TitlePositionCallback( vlc_object_t *, char const *,
76 vlc_value_t, vlc_value_t, void * );
78 /*****************************************************************************
79 * vout_IntfInit: called during the vout creation to initialise misc things.
80 *****************************************************************************/
84 const char *psz_label;
86 { 0.25, N_("1:4 Quarter") },
87 { 0.5, N_("1:2 Half") },
88 { 1, N_("1:1 Original") },
89 { 2, N_("2:1 Double") },
94 const char *psz_value;
95 const char *psz_label;
97 { "", N_("Default") },
100 { "185:100", "1.85:1" },
101 { "221:100", "2.21:1" },
102 { "235:100", "2.35:1" },
103 { "239:100", "2.39:1" },
112 const char *psz_value;
113 const char *psz_label;
114 } p_aspect_ratio_values[] = {
115 { "", N_("Default") },
119 { "16:10", "16:10" },
120 { "221:100", "2.21:1" },
121 { "235:100", "2.35:1" },
122 { "239:100", "2.39:1" },
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 var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
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->title.show = var_CreateGetBool( p_vout, "video-title-show" );
179 p_vout->p->title.timeout = var_CreateGetInteger( p_vout,
180 "video-title-timeout" );
181 p_vout->p->title.position = var_CreateGetInteger( p_vout,
182 "video-title-position" );
183 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
184 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
185 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
187 /* Zoom object var */
188 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
189 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
191 text.psz_string = _("Zoom");
192 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
194 var_Get( p_vout, "zoom", &old_val );
196 for( i = 0; p_zoom_values[i].f_value; i++ )
198 if( old_val.f_float == p_zoom_values[i].f_value )
199 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
200 val.f_float = p_zoom_values[i].f_value;
201 text.psz_string = _( p_zoom_values[i].psz_label );
202 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
205 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
207 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
209 /* Crop offset vars */
210 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
211 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
212 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
213 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
215 var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
216 var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
217 var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
218 var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
220 /* Crop object var */
221 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
222 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
224 text.psz_string = _("Crop");
225 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
227 val.psz_string = (char*)"";
228 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
230 for( i = 0; p_crop_values[i].psz_value; i++ )
232 val.psz_string = (char*)p_crop_values[i].psz_value;
233 text.psz_string = _( p_crop_values[i].psz_label );
234 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
237 /* update triggered every time the vout's crop parameters are changed */
238 var_Create( p_vout, "crop-update", VLC_VAR_VOID );
240 /* Add custom crop ratios */
241 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-crop-ratios" );
244 AddCustomRatios( p_vout, "crop", psz_buf );
248 var_AddCallback( p_vout, "crop", CropCallback, NULL );
249 var_Get( p_vout, "crop", &old_val );
250 if( old_val.psz_string && *old_val.psz_string )
251 var_TriggerCallback( p_vout, "crop" );
252 free( old_val.psz_string );
254 /* Monitor pixel aspect-ratio */
255 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
256 var_Get( p_vout, "monitor-par", &val );
257 if( val.psz_string && *val.psz_string )
259 char *psz_parser = strchr( val.psz_string, ':' );
260 unsigned int i_aspect_num = 0, i_aspect_den = 0;
264 i_aspect_num = strtol( val.psz_string, 0, 10 );
265 i_aspect_den = strtol( ++psz_parser, 0, 10 );
269 i_aspect = us_atof( val.psz_string );
270 vlc_ureduce( &i_aspect_num, &i_aspect_den,
271 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
273 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
275 p_vout->p->i_par_num = i_aspect_num;
276 p_vout->p->i_par_den = i_aspect_den;
278 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
279 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
281 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
282 p_vout->p->i_par_num, p_vout->p->i_par_den );
285 free( val.psz_string );
287 /* Aspect-ratio object var */
288 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
289 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
291 text.psz_string = _("Aspect-ratio");
292 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
294 val.psz_string = (char*)"";
295 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
297 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
299 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
300 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
301 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
304 /* Add custom aspect ratios */
305 psz_buf = var_CreateGetNonEmptyString( p_vout, "custom-aspect-ratios" );
308 AddCustomRatios( p_vout, "aspect-ratio", psz_buf );
312 var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
313 var_Get( p_vout, "aspect-ratio", &old_val );
314 if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
315 var_TriggerCallback( p_vout, "aspect-ratio" );
316 free( old_val.psz_string );
318 /* Add variables to manage scaling video */
319 var_Create( p_vout, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
320 | VLC_VAR_ISCOMMAND );
321 text.psz_string = _("Autoscale video");
322 var_Change( p_vout, "autoscale", VLC_VAR_SETTEXT, &text, NULL );
323 var_AddCallback( p_vout, "autoscale", ScalingCallback, NULL );
325 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
326 | VLC_VAR_ISCOMMAND );
327 text.psz_string = _("Scale factor");
328 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
329 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
331 /* Add a variable to indicate if the window should be on top of others */
332 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
333 | VLC_VAR_ISCOMMAND );
334 text.psz_string = _("Always on top");
335 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
336 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
337 var_TriggerCallback( p_vout, "video-on-top" );
339 /* Add a variable to indicate whether we want window decoration or not */
340 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
342 /* Add a fullscreen variable */
343 var_Create( p_vout, "fullscreen",
344 VLC_VAR_BOOL | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
345 text.psz_string = _("Fullscreen");
346 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
347 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
349 /* Add a snapshot variable */
350 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
351 text.psz_string = _("Snapshot");
352 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
353 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
355 /* Mouse coordinates */
356 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
357 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
358 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
359 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
362 /*****************************************************************************
363 * vout_Snapshot: generates a snapshot.
364 *****************************************************************************/
366 * This function will inject a subpicture into the vout with the provided
369 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
371 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
372 p_pic, VLC_CODEC_YUVA );
376 /* FIXME DEFAULT_CHAN is not good (used by the text) but
377 * hardcoded 0 doesn't seem right */
378 p_subpic->i_channel = 0;
379 p_subpic->i_start = mdate();
380 p_subpic->i_stop = p_subpic->i_start + 4000000;
381 p_subpic->b_ephemer = true;
382 p_subpic->b_fade = true;
384 /* Reduce the picture to 1/4^2 of the screen */
385 p_subpic->i_original_picture_width *= 4;
386 p_subpic->i_original_picture_height *= 4;
388 spu_DisplaySubpicture( vout_GetSpu( p_vout ), p_subpic );
393 * This function will display the name and a PIP of the provided snapshot
395 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
397 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
398 vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN, "%s", psz_filename );
400 if( var_GetBool( p_vout, "snapshot-preview" ) )
402 if( VoutSnapshotPip( p_vout, p_pic ) )
403 msg_Warn( p_vout, "Failed to display snapshot" );
408 int vout_GetSnapshot( vout_thread_t *p_vout,
409 block_t **pp_image, picture_t **pp_picture,
410 video_format_t *p_fmt,
411 const char *psz_format, mtime_t i_timeout )
413 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
416 msg_Err( p_vout, "Failed to grab a snapshot" );
422 vlc_fourcc_t i_format = VLC_CODEC_PNG;
423 if( psz_format && image_Type2Fourcc( psz_format ) )
424 i_format = image_Type2Fourcc( psz_format );
426 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
427 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
429 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
430 p_picture, i_format, i_override_width, i_override_height ) )
432 msg_Err( p_vout, "Failed to convert image for snapshot" );
433 picture_Release( p_picture );
438 *pp_picture = p_picture;
440 picture_Release( p_picture );
445 * This function will handle a snapshot request
447 static void VoutSaveSnapshot( vout_thread_t *p_vout )
449 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
450 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
451 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
454 picture_t *p_picture;
459 * XXX it will cause trouble with low fps video (< 2fps) */
460 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
469 psz_path = vout_snapshot_GetDirectory();
472 msg_Err( p_vout, "no path specified for snapshots" );
477 vout_snapshot_save_cfg_t cfg;
478 memset( &cfg, 0, sizeof(cfg) );
479 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
480 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
482 cfg.format = psz_format;
483 cfg.prefix_fmt = psz_prefix;
487 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
488 p_image, VLC_OBJECT(p_vout), &cfg ) )
490 if( cfg.is_sequential )
491 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
493 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
495 /* signal creation of a new snapshot file */
496 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
498 free( psz_filename );
502 block_Release( p_image );
504 picture_Release( p_picture );
510 /*****************************************************************************
512 *****************************************************************************/
514 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
515 bool b_add, bool b_setconfig )
519 const char *psz_filter_type;
521 /* FIXME temporary hack */
522 const char *psz_module_name = psz_name;
523 if( !strcmp( psz_name, "magnify" ) ||
524 !strcmp( psz_name, "puzzle" ) ||
525 !strcmp( psz_name, "logo" ) ||
526 !strcmp( psz_name, "wall" ) ||
527 !strcmp( psz_name, "clone" ) )
528 psz_module_name = "video_filter_wrapper";
530 module_t *p_obj = module_find( psz_module_name );
533 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
537 if( module_provides( p_obj, "video filter" ) )
539 psz_filter_type = "vout-filter";
541 else if( module_provides( p_obj, "video filter2" ) )
543 psz_filter_type = "video-filter";
545 else if( module_provides( p_obj, "sub filter" ) )
547 psz_filter_type = "sub-filter";
551 module_release( p_obj );
552 msg_Err( p_vout, "Unknown video filter type." );
555 module_release( p_obj );
557 if( !strcmp( psz_filter_type, "sub-filter") )
558 psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
560 psz_string = var_GetString( p_vout, psz_filter_type );
562 /* Todo : Use some generic chain manipulation functions */
563 if( !psz_string ) psz_string = strdup("");
565 psz_parser = strstr( psz_string, psz_name );
570 psz_parser = psz_string;
571 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
572 psz_string, psz_name ) == -1 )
586 memmove( psz_parser, psz_parser + strlen(psz_name) +
587 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
588 strlen(psz_parser + strlen(psz_name)) + 1 );
590 /* Remove trailing : : */
591 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
593 *(psz_string+strlen(psz_string ) -1 ) = '\0';
605 if( !strcmp( psz_filter_type, "sub-filter") )
606 config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
608 config_PutPsz( p_vout, psz_filter_type, psz_string );
611 if( !strcmp( psz_filter_type, "sub-filter") )
612 var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
614 var_SetString( p_vout, psz_filter_type, psz_string );
619 /*****************************************************************************
620 * Object variables callbacks
621 *****************************************************************************/
622 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
623 vlc_value_t oldval, vlc_value_t newval, void *p_data )
625 (void)psz_cmd; (void)oldval; (void)p_data;
627 return var_SetFloat( p_this, "scale", newval.f_float );
630 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
631 vlc_value_t oldval, vlc_value_t newval, void *p_data )
633 vout_thread_t *p_vout = (vout_thread_t *)p_this;
634 int64_t i_aspect_num, i_aspect_den;
635 unsigned int i_width, i_height;
637 (void)oldval; (void)p_data;
639 /* Restore defaults */
640 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
641 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
642 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
643 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
645 if( !strcmp( psz_cmd, "crop" ) )
647 char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
650 /* We're using the 3:4 syntax */
651 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
652 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
654 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
655 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
657 i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
658 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
659 i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
660 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
662 if( i_width < p_vout->fmt_render.i_visible_width )
664 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
665 (p_vout->fmt_render.i_visible_width - i_width) / 2;
666 p_vout->fmt_in.i_visible_width = i_width;
670 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
671 (p_vout->fmt_render.i_visible_height - i_height) / 2;
672 p_vout->fmt_in.i_visible_height = i_height;
677 psz_parser = strchr( newval.psz_string, 'x' );
680 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
681 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
683 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
684 if( psz_end != psz_parser ) goto crop_end;
686 psz_parser = strchr( ++psz_end, '+' );
687 i_crop_height = strtol( psz_end, &psz_end, 10 );
688 if( psz_end != psz_parser ) goto crop_end;
690 psz_parser = strchr( ++psz_end, '+' );
691 i_crop_left = strtol( psz_end, &psz_end, 10 );
692 if( psz_end != psz_parser ) goto crop_end;
695 i_crop_top = strtol( psz_end, &psz_end, 10 );
696 if( *psz_end != '\0' ) goto crop_end;
698 if( i_crop_top + i_crop_height >= p_vout->fmt_render.i_visible_height ||
699 i_crop_left + i_crop_width >= p_vout->fmt_render.i_visible_width )
701 msg_Err( p_vout, "Unable to crop over picture boundaries");
705 i_width = i_crop_width;
706 p_vout->fmt_in.i_visible_width = i_width;
708 i_height = i_crop_height;
709 p_vout->fmt_in.i_visible_height = i_height;
711 p_vout->fmt_in.i_x_offset = i_crop_left;
712 p_vout->fmt_in.i_y_offset = i_crop_top;
716 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
717 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
719 psz_parser = strchr( newval.psz_string, '+' );
720 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
721 if( psz_end != psz_parser ) goto crop_end;
723 psz_parser = strchr( ++psz_end, '+' );
724 i_crop_top = strtol( psz_end, &psz_end, 10 );
725 if( psz_end != psz_parser ) goto crop_end;
727 psz_parser = strchr( ++psz_end, '+' );
728 i_crop_right = strtol( psz_end, &psz_end, 10 );
729 if( psz_end != psz_parser ) goto crop_end;
732 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
733 if( *psz_end != '\0' ) goto crop_end;
735 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
736 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
738 msg_Err( p_vout, "Unable to crop over picture boundaries" );
742 i_width = p_vout->fmt_render.i_visible_width
743 - i_crop_left - i_crop_right;
744 p_vout->fmt_in.i_visible_width = i_width;
746 i_height = p_vout->fmt_render.i_visible_height
747 - i_crop_top - i_crop_bottom;
748 p_vout->fmt_in.i_visible_height = i_height;
750 p_vout->fmt_in.i_x_offset = i_crop_left;
751 p_vout->fmt_in.i_y_offset = i_crop_top;
755 else if( !strcmp( psz_cmd, "crop-top" )
756 || !strcmp( psz_cmd, "crop-left" )
757 || !strcmp( psz_cmd, "crop-bottom" )
758 || !strcmp( psz_cmd, "crop-right" ) )
760 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
762 i_crop_top = var_GetInteger( p_vout, "crop-top" );
763 i_crop_left = var_GetInteger( p_vout, "crop-left" );
764 i_crop_right = var_GetInteger( p_vout, "crop-right" );
765 i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
767 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
768 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
770 msg_Err( p_vout, "Unable to crop over picture boundaries" );
774 i_width = p_vout->fmt_render.i_visible_width
775 - i_crop_left - i_crop_right;
776 p_vout->fmt_in.i_visible_width = i_width;
778 i_height = p_vout->fmt_render.i_visible_height
779 - i_crop_top - i_crop_bottom;
780 p_vout->fmt_in.i_visible_height = i_height;
782 p_vout->fmt_in.i_x_offset = i_crop_left;
783 p_vout->fmt_in.i_y_offset = i_crop_top;
787 p_vout->p->i_changes |= VOUT_CROP_CHANGE;
789 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
790 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
791 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
792 p_vout->fmt_in.i_visible_width,
793 p_vout->fmt_in.i_visible_height );
795 var_TriggerCallback( p_vout, "crop-update" );
800 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
801 vlc_value_t oldval, vlc_value_t newval, void *p_data )
803 vout_thread_t *p_vout = (vout_thread_t *)p_this;
804 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
807 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
808 (void)psz_cmd; (void)oldval; (void)p_data;
810 /* Restore defaults */
811 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
812 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
814 if( !psz_parser ) goto aspect_end;
816 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
817 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
819 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
820 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
822 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
823 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
824 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
825 p_vout->fmt_in.i_sar_num = i_sar_num;
826 p_vout->fmt_in.i_sar_den = i_sar_den;
829 if( p_vout->p->i_par_num && p_vout->p->i_par_den )
831 p_vout->fmt_in.i_sar_num *= p_vout->p->i_par_den;
832 p_vout->fmt_in.i_sar_den *= p_vout->p->i_par_num;
835 p_vout->p->i_changes |= VOUT_ASPECT_CHANGE;
837 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
838 p_vout->fmt_in.i_sar_num * p_vout->fmt_in.i_width,
839 p_vout->fmt_in.i_sar_den * p_vout->fmt_in.i_height,
840 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
842 if( var_Get( p_vout, "crop", &val ) )
845 int i_ret = CropCallback( p_this, "crop", val, val, 0 );
846 free( val.psz_string );
850 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
851 vlc_value_t oldval, vlc_value_t newval, void *p_data )
853 vout_thread_t *p_vout = (vout_thread_t *)p_this;
854 (void)oldval; (void)newval; (void)p_data;
856 if( !strcmp( psz_cmd, "autoscale" ) )
857 vout_ControlChangeDisplayFilled( p_vout, newval.b_bool );
858 else if( !strcmp( psz_cmd, "scale" ) )
859 vout_ControlChangeZoom( p_vout, 1000 * newval.f_float, 1000 );
864 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
865 vlc_value_t oldval, vlc_value_t newval, void *p_data )
867 vout_thread_t *p_vout = (vout_thread_t *)p_this;
868 (void)psz_cmd; (void)oldval; (void)p_data;
870 vout_ControlChangeOnTop( p_vout, newval.b_bool );
874 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
875 vlc_value_t oldval, vlc_value_t newval, void *p_data )
877 vout_thread_t *p_vout = (vout_thread_t *)p_this;
878 (void)psz_cmd; (void)p_data;
880 if( oldval.b_bool != newval.b_bool )
881 vout_ControlChangeFullscreen( p_vout, newval.b_bool );
885 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
886 vlc_value_t oldval, vlc_value_t newval, void *p_data )
888 vout_thread_t *p_vout = (vout_thread_t *)p_this;
889 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
890 VLC_UNUSED(newval); VLC_UNUSED(p_data);
892 VoutSaveSnapshot( p_vout );
896 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
897 vlc_value_t oldval, vlc_value_t newval, void *p_data )
899 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
901 vout_thread_t *p_vout = (vout_thread_t *)p_this;
902 p_vout->p->title.show = newval.b_bool;
906 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
907 vlc_value_t oldval, vlc_value_t newval, void *p_data )
909 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
910 vout_thread_t *p_vout = (vout_thread_t *)p_this;
911 p_vout->p->title.timeout = (mtime_t) newval.i_int;
915 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
916 vlc_value_t oldval, vlc_value_t newval, void *p_data )
918 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
920 vout_thread_t *p_vout = (vout_thread_t *)p_this;
921 p_vout->p->title.position = newval.i_int;