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 );
338 /* Add a variable to indicate whether we want window decoration or not */
339 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
341 /* Add a fullscreen variable */
342 if( var_CreateGetBoolCommand( p_vout, "fullscreen" ) )
344 /* user requested fullscreen */
345 p_vout->p->i_changes |= VOUT_FULLSCREEN_CHANGE;
347 text.psz_string = _("Fullscreen");
348 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
349 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
351 /* Add a snapshot variable */
352 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
353 text.psz_string = _("Snapshot");
354 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
355 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
357 /* Mouse coordinates */
358 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
359 var_Create( p_vout, "mouse-moved", VLC_VAR_COORDS );
360 var_Create( p_vout, "mouse-clicked", VLC_VAR_COORDS );
361 var_Create( p_vout, "mouse-object", VLC_VAR_BOOL );
364 /*****************************************************************************
365 * vout_Snapshot: generates a snapshot.
366 *****************************************************************************/
368 * This function will inject a subpicture into the vout with the provided
371 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
373 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
374 p_pic, VLC_CODEC_YUVA );
378 /* FIXME DEFAULT_CHAN is not good (used by the text) but
379 * hardcoded 0 doesn't seem right */
380 p_subpic->i_channel = 0;
381 p_subpic->i_start = mdate();
382 p_subpic->i_stop = p_subpic->i_start + 4000000;
383 p_subpic->b_ephemer = true;
384 p_subpic->b_fade = true;
386 /* Reduce the picture to 1/4^2 of the screen */
387 p_subpic->i_original_picture_width *= 4;
388 p_subpic->i_original_picture_height *= 4;
390 spu_DisplaySubpicture( vout_GetSpu( p_vout ), p_subpic );
395 * This function will display the name and a PIP of the provided snapshot
397 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
399 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
400 vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN, "%s", psz_filename );
402 if( var_GetBool( p_vout, "snapshot-preview" ) )
404 if( VoutSnapshotPip( p_vout, p_pic ) )
405 msg_Warn( p_vout, "Failed to display snapshot" );
410 int vout_GetSnapshot( vout_thread_t *p_vout,
411 block_t **pp_image, picture_t **pp_picture,
412 video_format_t *p_fmt,
413 const char *psz_format, mtime_t i_timeout )
415 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
418 msg_Err( p_vout, "Failed to grab a snapshot" );
424 vlc_fourcc_t i_format = VLC_CODEC_PNG;
425 if( psz_format && image_Type2Fourcc( psz_format ) )
426 i_format = image_Type2Fourcc( psz_format );
428 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
429 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
431 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
432 p_picture, i_format, i_override_width, i_override_height ) )
434 msg_Err( p_vout, "Failed to convert image for snapshot" );
435 picture_Release( p_picture );
440 *pp_picture = p_picture;
442 picture_Release( p_picture );
447 * This function will handle a snapshot request
449 static void VoutSaveSnapshot( vout_thread_t *p_vout )
451 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
452 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
453 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
456 picture_t *p_picture;
461 * XXX it will cause trouble with low fps video (< 2fps) */
462 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
471 psz_path = vout_snapshot_GetDirectory();
474 msg_Err( p_vout, "no path specified for snapshots" );
479 vout_snapshot_save_cfg_t cfg;
480 memset( &cfg, 0, sizeof(cfg) );
481 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
482 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
484 cfg.format = psz_format;
485 cfg.prefix_fmt = psz_prefix;
489 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
490 p_image, VLC_OBJECT(p_vout), &cfg ) )
492 if( cfg.is_sequential )
493 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
495 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
497 /* signal creation of a new snapshot file */
498 var_SetString( p_vout->p_libvlc, "snapshot-file", psz_filename );
500 free( psz_filename );
504 block_Release( p_image );
506 picture_Release( p_picture );
512 /*****************************************************************************
514 *****************************************************************************/
516 void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
517 bool b_add, bool b_setconfig )
521 const char *psz_filter_type;
523 /* FIXME temporary hack */
524 const char *psz_module_name = psz_name;
525 if( !strcmp( psz_name, "magnify" ) ||
526 !strcmp( psz_name, "puzzle" ) ||
527 !strcmp( psz_name, "logo" ) ||
528 !strcmp( psz_name, "wall" ) ||
529 !strcmp( psz_name, "clone" ) )
530 psz_module_name = "video_filter_wrapper";
532 module_t *p_obj = module_find( psz_module_name );
535 msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
539 if( module_provides( p_obj, "video filter" ) )
541 psz_filter_type = "vout-filter";
543 else if( module_provides( p_obj, "video filter2" ) )
545 psz_filter_type = "video-filter";
547 else if( module_provides( p_obj, "sub filter" ) )
549 psz_filter_type = "sub-filter";
553 module_release( p_obj );
554 msg_Err( p_vout, "Unknown video filter type." );
557 module_release( p_obj );
559 if( !strcmp( psz_filter_type, "sub-filter") )
560 psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
562 psz_string = var_GetString( p_vout, psz_filter_type );
564 /* Todo : Use some generic chain manipulation functions */
565 if( !psz_string ) psz_string = strdup("");
567 psz_parser = strstr( psz_string, psz_name );
572 psz_parser = psz_string;
573 if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
574 psz_string, psz_name ) == -1 )
588 memmove( psz_parser, psz_parser + strlen(psz_name) +
589 (*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
590 strlen(psz_parser + strlen(psz_name)) + 1 );
592 /* Remove trailing : : */
593 if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
595 *(psz_string+strlen(psz_string ) -1 ) = '\0';
607 if( !strcmp( psz_filter_type, "sub-filter") )
608 config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
610 config_PutPsz( p_vout, psz_filter_type, psz_string );
613 if( !strcmp( psz_filter_type, "sub-filter") )
614 var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
616 var_SetString( p_vout, psz_filter_type, psz_string );
621 /*****************************************************************************
622 * Object variables callbacks
623 *****************************************************************************/
624 static int ZoomCallback( vlc_object_t *p_this, char const *psz_cmd,
625 vlc_value_t oldval, vlc_value_t newval, void *p_data )
627 (void)psz_cmd; (void)oldval; (void)p_data;
629 return var_SetFloat( p_this, "scale", newval.f_float );
632 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
633 vlc_value_t oldval, vlc_value_t newval, void *p_data )
635 vout_thread_t *p_vout = (vout_thread_t *)p_this;
636 int64_t i_aspect_num, i_aspect_den;
637 unsigned int i_width, i_height;
639 (void)oldval; (void)p_data;
641 /* Restore defaults */
642 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
643 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
644 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
645 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
647 if( !strcmp( psz_cmd, "crop" ) )
649 char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
652 /* We're using the 3:4 syntax */
653 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
654 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
656 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
657 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
659 i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
660 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
661 i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
662 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
664 if( i_width < p_vout->fmt_render.i_visible_width )
666 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
667 (p_vout->fmt_render.i_visible_width - i_width) / 2;
668 p_vout->fmt_in.i_visible_width = i_width;
672 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
673 (p_vout->fmt_render.i_visible_height - i_height) / 2;
674 p_vout->fmt_in.i_visible_height = i_height;
679 psz_parser = strchr( newval.psz_string, 'x' );
682 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
683 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
685 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
686 if( psz_end != psz_parser ) goto crop_end;
688 psz_parser = strchr( ++psz_end, '+' );
689 i_crop_height = strtol( psz_end, &psz_end, 10 );
690 if( psz_end != psz_parser ) goto crop_end;
692 psz_parser = strchr( ++psz_end, '+' );
693 i_crop_left = strtol( psz_end, &psz_end, 10 );
694 if( psz_end != psz_parser ) goto crop_end;
697 i_crop_top = strtol( psz_end, &psz_end, 10 );
698 if( *psz_end != '\0' ) goto crop_end;
700 if( i_crop_top + i_crop_height >= p_vout->fmt_render.i_visible_height ||
701 i_crop_left + i_crop_width >= p_vout->fmt_render.i_visible_width )
703 msg_Err( p_vout, "Unable to crop over picture boundaries");
707 i_width = i_crop_width;
708 p_vout->fmt_in.i_visible_width = i_width;
710 i_height = i_crop_height;
711 p_vout->fmt_in.i_visible_height = i_height;
713 p_vout->fmt_in.i_x_offset = i_crop_left;
714 p_vout->fmt_in.i_y_offset = i_crop_top;
718 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
719 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
721 psz_parser = strchr( newval.psz_string, '+' );
722 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
723 if( psz_end != psz_parser ) goto crop_end;
725 psz_parser = strchr( ++psz_end, '+' );
726 i_crop_top = strtol( psz_end, &psz_end, 10 );
727 if( psz_end != psz_parser ) goto crop_end;
729 psz_parser = strchr( ++psz_end, '+' );
730 i_crop_right = strtol( psz_end, &psz_end, 10 );
731 if( psz_end != psz_parser ) goto crop_end;
734 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
735 if( *psz_end != '\0' ) goto crop_end;
737 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
738 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
740 msg_Err( p_vout, "Unable to crop over picture boundaries" );
744 i_width = p_vout->fmt_render.i_visible_width
745 - i_crop_left - i_crop_right;
746 p_vout->fmt_in.i_visible_width = i_width;
748 i_height = p_vout->fmt_render.i_visible_height
749 - i_crop_top - i_crop_bottom;
750 p_vout->fmt_in.i_visible_height = i_height;
752 p_vout->fmt_in.i_x_offset = i_crop_left;
753 p_vout->fmt_in.i_y_offset = i_crop_top;
757 else if( !strcmp( psz_cmd, "crop-top" )
758 || !strcmp( psz_cmd, "crop-left" )
759 || !strcmp( psz_cmd, "crop-bottom" )
760 || !strcmp( psz_cmd, "crop-right" ) )
762 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
764 i_crop_top = var_GetInteger( p_vout, "crop-top" );
765 i_crop_left = var_GetInteger( p_vout, "crop-left" );
766 i_crop_right = var_GetInteger( p_vout, "crop-right" );
767 i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
769 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
770 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
772 msg_Err( p_vout, "Unable to crop over picture boundaries" );
776 i_width = p_vout->fmt_render.i_visible_width
777 - i_crop_left - i_crop_right;
778 p_vout->fmt_in.i_visible_width = i_width;
780 i_height = p_vout->fmt_render.i_visible_height
781 - i_crop_top - i_crop_bottom;
782 p_vout->fmt_in.i_visible_height = i_height;
784 p_vout->fmt_in.i_x_offset = i_crop_left;
785 p_vout->fmt_in.i_y_offset = i_crop_top;
789 p_vout->p->i_changes |= VOUT_CROP_CHANGE;
791 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
792 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
793 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
794 p_vout->fmt_in.i_visible_width,
795 p_vout->fmt_in.i_visible_height );
797 var_TriggerCallback( p_vout, "crop-update" );
802 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
803 vlc_value_t oldval, vlc_value_t newval, void *p_data )
805 vout_thread_t *p_vout = (vout_thread_t *)p_this;
806 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
809 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
810 (void)psz_cmd; (void)oldval; (void)p_data;
812 /* Restore defaults */
813 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
814 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
816 if( !psz_parser ) goto aspect_end;
818 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
819 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
821 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
822 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
824 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
825 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
826 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
827 p_vout->fmt_in.i_sar_num = i_sar_num;
828 p_vout->fmt_in.i_sar_den = i_sar_den;
831 if( p_vout->p->i_par_num && p_vout->p->i_par_den )
833 p_vout->fmt_in.i_sar_num *= p_vout->p->i_par_den;
834 p_vout->fmt_in.i_sar_den *= p_vout->p->i_par_num;
837 p_vout->p->i_changes |= VOUT_ASPECT_CHANGE;
839 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
840 p_vout->fmt_in.i_sar_num * p_vout->fmt_in.i_width,
841 p_vout->fmt_in.i_sar_den * p_vout->fmt_in.i_height,
842 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
844 if( var_Get( p_vout, "crop", &val ) )
847 int i_ret = CropCallback( p_this, "crop", val, val, 0 );
848 free( val.psz_string );
852 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
853 vlc_value_t oldval, vlc_value_t newval, void *p_data )
855 vout_thread_t *p_vout = (vout_thread_t *)p_this;
856 (void)oldval; (void)newval; (void)p_data;
858 vlc_mutex_lock( &p_vout->p->change_lock );
860 if( !strcmp( psz_cmd, "autoscale" ) )
862 p_vout->p->i_changes |= VOUT_SCALE_CHANGE;
864 else if( !strcmp( psz_cmd, "scale" ) )
866 p_vout->p->i_changes |= VOUT_ZOOM_CHANGE;
869 vlc_mutex_unlock( &p_vout->p->change_lock );
874 static int OnTopCallback( 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;
879 vlc_mutex_lock( &p_vout->p->change_lock );
880 p_vout->p->i_changes |= VOUT_ON_TOP_CHANGE;
881 p_vout->p->b_on_top = newval.b_bool;
882 vlc_mutex_unlock( &p_vout->p->change_lock );
884 (void)psz_cmd; (void)oldval; (void)p_data;
888 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
889 vlc_value_t oldval, vlc_value_t newval, void *p_data )
891 vout_thread_t *p_vout = (vout_thread_t *)p_this;
893 (void)psz_cmd; (void)p_data;
895 if( oldval.b_bool == newval.b_bool )
896 return VLC_SUCCESS; /* no-op */
897 p_vout->p->i_changes |= VOUT_FULLSCREEN_CHANGE;
902 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
903 vlc_value_t oldval, vlc_value_t newval, void *p_data )
905 vout_thread_t *p_vout = (vout_thread_t *)p_this;
906 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
907 VLC_UNUSED(newval); VLC_UNUSED(p_data);
909 VoutSaveSnapshot( p_vout );
913 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
914 vlc_value_t oldval, vlc_value_t newval, void *p_data )
916 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
918 vout_thread_t *p_vout = (vout_thread_t *)p_this;
919 p_vout->p->title.show = newval.b_bool;
923 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
924 vlc_value_t oldval, vlc_value_t newval, void *p_data )
926 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
927 vout_thread_t *p_vout = (vout_thread_t *)p_this;
928 p_vout->p->title.timeout = (mtime_t) newval.i_int;
932 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
933 vlc_value_t oldval, vlc_value_t newval, void *p_data )
935 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
937 vout_thread_t *p_vout = (vout_thread_t *)p_this;
938 p_vout->p->title.position = newval.i_int;