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->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 );
327 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
328 | VLC_VAR_ISCOMMAND );
329 text.psz_string = _("Scale factor");
330 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
331 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
332 p_vout->i_zoom = (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
334 /* Add a variable to indicate if the window should be on top of others */
335 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
336 | VLC_VAR_ISCOMMAND );
337 text.psz_string = _("Always on top");
338 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
339 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
341 /* Add a variable to indicate whether we want window decoration or not */
342 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
344 /* Add a fullscreen variable */
345 if( var_CreateGetBoolCommand( p_vout, "fullscreen" ) )
347 /* user requested fullscreen */
348 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
350 text.psz_string = _("Fullscreen");
351 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
352 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
354 /* Add a snapshot variable */
355 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
356 text.psz_string = _("Snapshot");
357 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
358 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
360 /* Mouse coordinates */
361 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
362 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
363 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
364 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
366 var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
367 var_SetBool( p_vout, "intf-change", true );
370 /*****************************************************************************
371 * vout_Snapshot: generates a snapshot.
372 *****************************************************************************/
374 * This function will inject a subpicture into the vout with the provided
377 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
379 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
380 p_pic, VLC_CODEC_YUVA );
384 /* FIXME DEFAULT_CHAN is not good (used by the text) but
385 * hardcoded 0 doesn't seem right */
386 p_subpic->i_channel = 0;
387 p_subpic->i_start = mdate();
388 p_subpic->i_stop = p_subpic->i_start + 4000000;
389 p_subpic->b_ephemer = true;
390 p_subpic->b_fade = true;
392 /* Reduce the picture to 1/4^2 of the screen */
393 p_subpic->i_original_picture_width *= 4;
394 p_subpic->i_original_picture_height *= 4;
396 spu_DisplaySubpicture( vout_GetSpu( p_vout ), p_subpic );
401 * This function will display the name and a PIP of the provided snapshot
403 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
405 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
406 vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN, "%s", psz_filename );
408 if( var_GetBool( p_vout, "snapshot-preview" ) )
410 if( VoutSnapshotPip( p_vout, p_pic ) )
411 msg_Warn( p_vout, "Failed to display snapshot" );
416 int vout_GetSnapshot( vout_thread_t *p_vout,
417 block_t **pp_image, picture_t **pp_picture,
418 video_format_t *p_fmt,
419 const char *psz_format, mtime_t i_timeout )
421 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
424 msg_Err( p_vout, "Failed to grab a snapshot" );
430 vlc_fourcc_t i_format = VLC_CODEC_PNG;
431 if( psz_format && image_Type2Fourcc( psz_format ) )
432 i_format = image_Type2Fourcc( psz_format );
434 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
435 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
437 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
438 p_picture, i_format, i_override_width, i_override_height ) )
440 msg_Err( p_vout, "Failed to convert image for snapshot" );
441 picture_Release( p_picture );
446 *pp_picture = p_picture;
448 picture_Release( p_picture );
453 * This function will handle a snapshot request
455 static void VoutSaveSnapshot( vout_thread_t *p_vout )
457 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
458 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
459 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
462 picture_t *p_picture;
467 * XXX it will cause trouble with low fps video (< 2fps) */
468 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
477 psz_path = vout_snapshot_GetDirectory();
480 msg_Err( p_vout, "no path specified for snapshots" );
485 vout_snapshot_save_cfg_t cfg;
486 memset( &cfg, 0, sizeof(cfg) );
487 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
488 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
490 cfg.format = psz_format;
491 cfg.prefix_fmt = psz_prefix;
495 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
496 p_image, VLC_OBJECT(p_vout), &cfg ) )
498 if( cfg.is_sequential )
499 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
501 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
503 /* signal creation of a new snapshot file */
504 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
506 free( psz_filename );
510 block_Release( p_image );
512 picture_Release( p_picture );
518 /*****************************************************************************
520 *****************************************************************************/
522 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
523 bool b_add, bool b_setconfig )
527 const char *psz_filter_type;
529 /* FIXME temporary hack */
530 const char *psz_module_name = psz_name;
531 if( !strcmp( psz_name, "magnify" ) ||
532 !strcmp( psz_name, "puzzle" ) ||
533 !strcmp( psz_name, "logo" ) ||
534 !strcmp( psz_name, "wall" ) ||
535 !strcmp( psz_name, "clone" ) )
536 psz_module_name = "video_filter_wrapper";
538 module_t *p_obj = module_find( psz_module_name );
541 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
545 if( module_provides( p_obj, "video filter" ) )
547 psz_filter_type = "vout-filter";
549 else if( module_provides( p_obj, "video filter2" ) )
551 psz_filter_type = "video-filter";
553 else if( module_provides( p_obj, "sub filter" ) )
555 psz_filter_type = "sub-filter";
559 module_release( p_obj );
560 msg_Err( p_vout, "Unknown video filter type." );
563 module_release( p_obj );
565 if( !strcmp( psz_filter_type, "sub-filter") )
566 psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
568 psz_string = var_GetString( p_vout, psz_filter_type );
570 /* Todo : Use some generic chain manipulation functions */
571 if( !psz_string ) psz_string = strdup("");
573 psz_parser = strstr( psz_string, psz_name );
578 psz_parser = psz_string;
579 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
580 psz_string, psz_name ) == -1 )
594 memmove( psz_parser, psz_parser + strlen(psz_name) +
595 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
596 strlen(psz_parser + strlen(psz_name)) + 1 );
598 /* Remove trailing : : */
599 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
601 *(psz_string+strlen(psz_string ) -1 ) = '\0';
613 if( !strcmp( psz_filter_type, "sub-filter") )
614 config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
616 config_PutPsz( p_vout, psz_filter_type, psz_string );
619 if( !strcmp( psz_filter_type, "sub-filter") )
620 var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
622 var_SetString( p_vout, psz_filter_type, psz_string );
627 /*****************************************************************************
628 * Object variables callbacks
629 *****************************************************************************/
630 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
631 vlc_value_t oldval, vlc_value_t newval, void *p_data )
633 (void)psz_cmd; (void)oldval; (void)p_data;
635 return var_SetFloat( p_this, "scale", newval.f_float );
638 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
639 vlc_value_t oldval, vlc_value_t newval, void *p_data )
641 vout_thread_t *p_vout = (vout_thread_t *)p_this;
642 int64_t i_aspect_num, i_aspect_den;
643 unsigned int i_width, i_height;
645 (void)oldval; (void)p_data;
647 /* Restore defaults */
648 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
649 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
650 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
651 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
653 if( !strcmp( psz_cmd, "crop" ) )
655 char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
658 /* We're using the 3:4 syntax */
659 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
660 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
662 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
663 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
665 i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
666 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
667 i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
668 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
670 if( i_width < p_vout->fmt_render.i_visible_width )
672 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
673 (p_vout->fmt_render.i_visible_width - i_width) / 2;
674 p_vout->fmt_in.i_visible_width = i_width;
678 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
679 (p_vout->fmt_render.i_visible_height - i_height) / 2;
680 p_vout->fmt_in.i_visible_height = i_height;
685 psz_parser = strchr( newval.psz_string, 'x' );
688 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
689 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
691 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
692 if( psz_end != psz_parser ) goto crop_end;
694 psz_parser = strchr( ++psz_end, '+' );
695 i_crop_height = strtol( psz_end, &psz_end, 10 );
696 if( psz_end != psz_parser ) goto crop_end;
698 psz_parser = strchr( ++psz_end, '+' );
699 i_crop_left = strtol( psz_end, &psz_end, 10 );
700 if( psz_end != psz_parser ) goto crop_end;
703 i_crop_top = strtol( psz_end, &psz_end, 10 );
704 if( *psz_end != '\0' ) goto crop_end;
706 if( i_crop_top + i_crop_height >= p_vout->fmt_render.i_visible_height ||
707 i_crop_left + i_crop_width >= p_vout->fmt_render.i_visible_width )
709 msg_Err( p_vout, "Unable to crop over picture boundaries");
713 i_width = i_crop_width;
714 p_vout->fmt_in.i_visible_width = i_width;
716 i_height = i_crop_height;
717 p_vout->fmt_in.i_visible_height = i_height;
719 p_vout->fmt_in.i_x_offset = i_crop_left;
720 p_vout->fmt_in.i_y_offset = i_crop_top;
724 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
725 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
727 psz_parser = strchr( newval.psz_string, '+' );
728 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
729 if( psz_end != psz_parser ) goto crop_end;
731 psz_parser = strchr( ++psz_end, '+' );
732 i_crop_top = strtol( psz_end, &psz_end, 10 );
733 if( psz_end != psz_parser ) goto crop_end;
735 psz_parser = strchr( ++psz_end, '+' );
736 i_crop_right = strtol( psz_end, &psz_end, 10 );
737 if( psz_end != psz_parser ) goto crop_end;
740 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
741 if( *psz_end != '\0' ) goto crop_end;
743 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
744 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
746 msg_Err( p_vout, "Unable to crop over picture boundaries" );
750 i_width = p_vout->fmt_render.i_visible_width
751 - i_crop_left - i_crop_right;
752 p_vout->fmt_in.i_visible_width = i_width;
754 i_height = p_vout->fmt_render.i_visible_height
755 - i_crop_top - i_crop_bottom;
756 p_vout->fmt_in.i_visible_height = i_height;
758 p_vout->fmt_in.i_x_offset = i_crop_left;
759 p_vout->fmt_in.i_y_offset = i_crop_top;
763 else if( !strcmp( psz_cmd, "crop-top" )
764 || !strcmp( psz_cmd, "crop-left" )
765 || !strcmp( psz_cmd, "crop-bottom" )
766 || !strcmp( psz_cmd, "crop-right" ) )
768 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
770 i_crop_top = var_GetInteger( p_vout, "crop-top" );
771 i_crop_left = var_GetInteger( p_vout, "crop-left" );
772 i_crop_right = var_GetInteger( p_vout, "crop-right" );
773 i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
775 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
776 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
778 msg_Err( p_vout, "Unable to crop over picture boundaries" );
782 i_width = p_vout->fmt_render.i_visible_width
783 - i_crop_left - i_crop_right;
784 p_vout->fmt_in.i_visible_width = i_width;
786 i_height = p_vout->fmt_render.i_visible_height
787 - i_crop_top - i_crop_bottom;
788 p_vout->fmt_in.i_visible_height = i_height;
790 p_vout->fmt_in.i_x_offset = i_crop_left;
791 p_vout->fmt_in.i_y_offset = i_crop_top;
795 p_vout->i_changes |= VOUT_CROP_CHANGE;
797 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
798 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
799 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
800 p_vout->fmt_in.i_visible_width,
801 p_vout->fmt_in.i_visible_height );
803 var_TriggerCallback( p_vout, "crop-update" );
808 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
809 vlc_value_t oldval, vlc_value_t newval, void *p_data )
811 vout_thread_t *p_vout = (vout_thread_t *)p_this;
812 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
815 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
816 (void)psz_cmd; (void)oldval; (void)p_data;
818 /* Restore defaults */
819 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
820 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
821 p_vout->render.i_aspect = (int64_t)p_vout->fmt_render.i_sar_num *
822 p_vout->fmt_render.i_width *
824 p_vout->fmt_render.i_sar_den / p_vout->fmt_render.i_height;
826 if( !psz_parser ) goto aspect_end;
828 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
829 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
831 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
832 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
834 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
835 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
836 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
837 p_vout->fmt_in.i_sar_num = i_sar_num;
838 p_vout->fmt_in.i_sar_den = i_sar_den;
839 p_vout->render.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
842 if( p_vout->p->i_par_num && p_vout->p->i_par_den )
844 p_vout->fmt_in.i_sar_num *= p_vout->p->i_par_den;
845 p_vout->fmt_in.i_sar_den *= p_vout->p->i_par_num;
846 p_vout->render.i_aspect = (int64_t)p_vout->fmt_in.i_sar_num *
847 p_vout->fmt_in.i_width *
849 p_vout->fmt_in.i_sar_den /
850 p_vout->fmt_in.i_height;
853 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
855 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
856 p_vout->fmt_in.i_sar_num * p_vout->fmt_in.i_width,
857 p_vout->fmt_in.i_sar_den * p_vout->fmt_in.i_height,
858 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
860 if( var_Get( p_vout, "crop", &val ) )
863 int i_ret = CropCallback( p_this, "crop", val, val, 0 );
864 free( val.psz_string );
868 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
869 vlc_value_t oldval, vlc_value_t newval, void *p_data )
871 vout_thread_t *p_vout = (vout_thread_t *)p_this;
872 (void)oldval; (void)newval; (void)p_data;
874 vlc_mutex_lock( &p_vout->change_lock );
876 if( !strcmp( psz_cmd, "autoscale" ) )
878 p_vout->i_changes |= VOUT_SCALE_CHANGE;
880 else if( !strcmp( psz_cmd, "scale" ) )
882 p_vout->i_changes |= VOUT_ZOOM_CHANGE;
885 vlc_mutex_unlock( &p_vout->change_lock );
890 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
891 vlc_value_t oldval, vlc_value_t newval, void *p_data )
893 vout_thread_t *p_vout = (vout_thread_t *)p_this;
895 vlc_mutex_lock( &p_vout->change_lock );
896 p_vout->i_changes |= VOUT_ON_TOP_CHANGE;
897 p_vout->b_on_top = newval.b_bool;
898 vlc_mutex_unlock( &p_vout->change_lock );
900 (void)psz_cmd; (void)oldval; (void)p_data;
904 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
905 vlc_value_t oldval, vlc_value_t newval, void *p_data )
907 vout_thread_t *p_vout = (vout_thread_t *)p_this;
909 (void)psz_cmd; (void)p_data;
911 if( oldval.b_bool == newval.b_bool )
912 return VLC_SUCCESS; /* no-op */
913 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
916 var_Set( p_vout, "intf-change", val );
920 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
921 vlc_value_t oldval, vlc_value_t newval, void *p_data )
923 vout_thread_t *p_vout = (vout_thread_t *)p_this;
924 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
925 VLC_UNUSED(newval); VLC_UNUSED(p_data);
927 VoutSaveSnapshot( p_vout );
931 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
932 vlc_value_t oldval, vlc_value_t newval, void *p_data )
934 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
936 vout_thread_t *p_vout = (vout_thread_t *)p_this;
937 p_vout->p->b_title_show = newval.b_bool;
941 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
942 vlc_value_t oldval, vlc_value_t newval, void *p_data )
944 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
945 vout_thread_t *p_vout = (vout_thread_t *)p_this;
946 p_vout->p->i_title_timeout = (mtime_t) newval.i_int;
950 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
951 vlc_value_t oldval, vlc_value_t newval, void *p_data )
953 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
955 vout_thread_t *p_vout = (vout_thread_t *)p_this;
956 p_vout->p->i_title_position = newval.i_int;