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() */
37 #include <dirent.h> /* opendir() */
39 #include <time.h> /* strftime */
41 #include <vlc_interface.h>
42 #include <vlc_block.h>
43 #include <vlc_playlist.h>
46 #include <vlc_image.h>
48 #include <vlc_charset.h>
50 #include <vlc_strings.h>
51 #include <vlc_charset.h>
52 #include "../libvlc.h"
53 #include "vout_internal.h"
55 /*****************************************************************************
57 *****************************************************************************/
58 static void InitWindowSize( vout_thread_t *, unsigned *, unsigned * );
60 /* Object variables callbacks */
61 static int ZoomCallback( vlc_object_t *, char const *,
62 vlc_value_t, vlc_value_t, void * );
63 static int CropCallback( vlc_object_t *, char const *,
64 vlc_value_t, vlc_value_t, void * );
65 static int AspectCallback( vlc_object_t *, char const *,
66 vlc_value_t, vlc_value_t, void * );
67 static int ScalingCallback( vlc_object_t *, char const *,
68 vlc_value_t, vlc_value_t, void * );
69 static int OnTopCallback( vlc_object_t *, char const *,
70 vlc_value_t, vlc_value_t, void * );
71 static int FullscreenCallback( vlc_object_t *, char const *,
72 vlc_value_t, vlc_value_t, void * );
73 static int SnapshotCallback( vlc_object_t *, char const *,
74 vlc_value_t, vlc_value_t, void * );
76 static int TitleShowCallback( vlc_object_t *, char const *,
77 vlc_value_t, vlc_value_t, void * );
78 static int TitleTimeoutCallback( vlc_object_t *, char const *,
79 vlc_value_t, vlc_value_t, void * );
80 static int TitlePositionCallback( vlc_object_t *, char const *,
81 vlc_value_t, vlc_value_t, void * );
83 /*****************************************************************************
84 * vout_IntfInit: called during the vout creation to initialise misc things.
85 *****************************************************************************/
89 const char *psz_label;
91 { 0.25, N_("1:4 Quarter") },
92 { 0.5, N_("1:2 Half") },
93 { 1, N_("1:1 Original") },
94 { 2, N_("2:1 Double") },
99 const char *psz_value;
100 const char *psz_label;
101 } p_crop_values[] = {
102 { "", N_("Default") },
103 { "16:10", "16:10" },
105 { "185:100", "1.85:1" },
106 { "221:100", "2.21:1" },
107 { "235:100", "2.35:1" },
108 { "239:100", "2.39:1" },
117 const char *psz_value;
118 const char *psz_label;
119 } p_aspect_ratio_values[] = {
120 { "", N_("Default") },
124 { "16:10", "16:10" },
125 { "221:100", "2.21:1" },
129 static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
132 if( psz_list && *psz_list )
134 char *psz_cur = psz_list;
136 while( psz_cur && *psz_cur )
138 vlc_value_t val, text;
139 psz_next = strchr( psz_cur, ',' );
145 val.psz_string = psz_cur;
146 text.psz_string = psz_cur;
147 var_Change( p_vout, psz_var, VLC_VAR_ADDCHOICE, &val, &text);
153 void vout_IntfInit( vout_thread_t *p_vout )
155 vlc_value_t val, text, old_val;
156 bool b_force_par = false;
160 /* Create a few object variables we'll need later on */
161 var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
162 var_Create( p_vout, "snapshot-prefix", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
163 var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
164 var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
165 var_Create( p_vout, "snapshot-sequential",
166 VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
167 var_Create( p_vout, "snapshot-num", VLC_VAR_INTEGER );
168 var_SetInteger( p_vout, "snapshot-num", 1 );
169 var_Create( p_vout, "snapshot-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
170 var_Create( p_vout, "snapshot-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
172 var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
173 var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
174 p_vout->i_alignment = var_CreateGetInteger( p_vout, "align" );
176 var_Create( p_vout, "video-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
177 var_Create( p_vout, "video-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
179 var_Create( p_vout, "mouse-hide-timeout",
180 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
182 p_vout->p->b_title_show = var_CreateGetBool( p_vout, "video-title-show" );
183 p_vout->p->i_title_timeout =
184 (mtime_t)var_CreateGetInteger( p_vout, "video-title-timeout" );
185 p_vout->p->i_title_position =
186 var_CreateGetInteger( p_vout, "video-title-position" );
187 p_vout->p->psz_title = NULL;
189 var_AddCallback( p_vout, "video-title-show", TitleShowCallback, NULL );
190 var_AddCallback( p_vout, "video-title-timeout", TitleTimeoutCallback, NULL );
191 var_AddCallback( p_vout, "video-title-position", TitlePositionCallback, NULL );
193 /* Zoom object var */
194 var_Create( p_vout, "zoom", VLC_VAR_FLOAT | VLC_VAR_ISCOMMAND |
195 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
197 text.psz_string = _("Zoom");
198 var_Change( p_vout, "zoom", VLC_VAR_SETTEXT, &text, NULL );
200 var_Get( p_vout, "zoom", &old_val );
202 for( i = 0; p_zoom_values[i].f_value; i++ )
204 if( old_val.f_float == p_zoom_values[i].f_value )
205 var_Change( p_vout, "zoom", VLC_VAR_DELCHOICE, &old_val, NULL );
206 val.f_float = p_zoom_values[i].f_value;
207 text.psz_string = _( p_zoom_values[i].psz_label );
208 var_Change( p_vout, "zoom", VLC_VAR_ADDCHOICE, &val, &text );
211 var_Set( p_vout, "zoom", old_val ); /* Is this really needed? */
213 var_AddCallback( p_vout, "zoom", ZoomCallback, NULL );
215 /* Crop offset vars */
216 var_Create( p_vout, "crop-left", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
217 var_Create( p_vout, "crop-top", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
218 var_Create( p_vout, "crop-right", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
219 var_Create( p_vout, "crop-bottom", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
221 var_AddCallback( p_vout, "crop-left", CropCallback, NULL );
222 var_AddCallback( p_vout, "crop-top", CropCallback, NULL );
223 var_AddCallback( p_vout, "crop-right", CropCallback, NULL );
224 var_AddCallback( p_vout, "crop-bottom", CropCallback, NULL );
226 /* Crop object var */
227 var_Create( p_vout, "crop", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
228 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
230 text.psz_string = _("Crop");
231 var_Change( p_vout, "crop", VLC_VAR_SETTEXT, &text, NULL );
233 val.psz_string = (char*)"";
234 var_Change( p_vout, "crop", VLC_VAR_DELCHOICE, &val, 0 );
236 for( i = 0; p_crop_values[i].psz_value; i++ )
238 val.psz_string = (char*)p_crop_values[i].psz_value;
239 text.psz_string = _( p_crop_values[i].psz_label );
240 var_Change( p_vout, "crop", VLC_VAR_ADDCHOICE, &val, &text );
243 /* update triggered every time the vout's crop parameters are changed */
244 var_Create( p_vout, "crop-update", VLC_VAR_VOID );
246 /* Add custom crop ratios */
247 psz_buf = config_GetPsz( p_vout, "custom-crop-ratios" );
248 AddCustomRatios( p_vout, "crop", psz_buf );
251 var_AddCallback( p_vout, "crop", CropCallback, NULL );
252 var_Get( p_vout, "crop", &old_val );
253 if( old_val.psz_string && *old_val.psz_string )
254 var_TriggerCallback( p_vout, "crop" );
255 free( old_val.psz_string );
257 /* Monitor pixel aspect-ratio */
258 var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
259 var_Get( p_vout, "monitor-par", &val );
260 if( val.psz_string && *val.psz_string )
262 char *psz_parser = strchr( val.psz_string, ':' );
263 unsigned int i_aspect_num = 0, i_aspect_den = 0;
267 i_aspect_num = strtol( val.psz_string, 0, 10 );
268 i_aspect_den = strtol( ++psz_parser, 0, 10 );
272 i_aspect = atof( val.psz_string );
273 vlc_ureduce( &i_aspect_num, &i_aspect_den,
274 i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
276 if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
278 p_vout->p->i_par_num = i_aspect_num;
279 p_vout->p->i_par_den = i_aspect_den;
281 vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
282 p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
284 msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
285 p_vout->p->i_par_num, p_vout->p->i_par_den );
288 free( val.psz_string );
290 /* Aspect-ratio object var */
291 var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
292 VLC_VAR_HASCHOICE | VLC_VAR_DOINHERIT );
294 text.psz_string = _("Aspect-ratio");
295 var_Change( p_vout, "aspect-ratio", VLC_VAR_SETTEXT, &text, NULL );
297 val.psz_string = (char*)"";
298 var_Change( p_vout, "aspect-ratio", VLC_VAR_DELCHOICE, &val, 0 );
300 for( i = 0; p_aspect_ratio_values[i].psz_value; i++ )
302 val.psz_string = (char*)p_aspect_ratio_values[i].psz_value;
303 text.psz_string = _( p_aspect_ratio_values[i].psz_label );
304 var_Change( p_vout, "aspect-ratio", VLC_VAR_ADDCHOICE, &val, &text );
307 /* Add custom aspect ratios */
308 psz_buf = config_GetPsz( p_vout, "custom-aspect-ratios" );
309 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 );
324 p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
326 var_Create( p_vout, "scale", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
327 | VLC_VAR_ISCOMMAND );
328 text.psz_string = _("Scale factor");
329 var_Change( p_vout, "scale", VLC_VAR_SETTEXT, &text, NULL );
330 var_AddCallback( p_vout, "scale", ScalingCallback, NULL );
331 p_vout->i_zoom = (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
333 /* Initialize the dimensions of the video window */
334 InitWindowSize( p_vout, &p_vout->i_window_width,
335 &p_vout->i_window_height );
337 /* Add a variable to indicate if the window should be on top of others */
338 var_Create( p_vout, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT
339 | VLC_VAR_ISCOMMAND );
340 text.psz_string = _("Always on top");
341 var_Change( p_vout, "video-on-top", VLC_VAR_SETTEXT, &text, NULL );
342 var_AddCallback( p_vout, "video-on-top", OnTopCallback, NULL );
344 /* Add a variable to indicate whether we want window decoration or not */
345 var_Create( p_vout, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
347 /* Add a fullscreen variable */
348 if( var_CreateGetBoolCommand( p_vout, "fullscreen" ) )
350 /* user requested fullscreen */
351 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
353 text.psz_string = _("Fullscreen");
354 var_Change( p_vout, "fullscreen", VLC_VAR_SETTEXT, &text, NULL );
355 var_AddCallback( p_vout, "fullscreen", FullscreenCallback, NULL );
357 /* Add a snapshot variable */
358 var_Create( p_vout, "video-snapshot", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
359 text.psz_string = _("Snapshot");
360 var_Change( p_vout, "video-snapshot", VLC_VAR_SETTEXT, &text, NULL );
361 var_AddCallback( p_vout, "video-snapshot", SnapshotCallback, NULL );
363 /* Mouse coordinates */
364 var_Create( p_vout, "mouse-x", VLC_VAR_INTEGER );
365 var_Create( p_vout, "mouse-y", VLC_VAR_INTEGER );
366 var_Create( p_vout, "mouse-button-down", VLC_VAR_INTEGER );
367 var_Create( p_vout, "mouse-moved", VLC_VAR_BOOL );
368 var_Create( p_vout, "mouse-clicked", VLC_VAR_BOOL );
370 var_Create( p_vout, "intf-change", VLC_VAR_BOOL );
371 var_SetBool( p_vout, "intf-change", true );
374 /*****************************************************************************
375 * vout_Snapshot: generates a snapshot.
376 *****************************************************************************/
378 * This function will inject a subpicture into the vout with the provided
381 static int VoutSnapshotPip( vout_thread_t *p_vout, picture_t *p_pic )
383 subpicture_t *p_subpic = subpicture_NewFromPicture( VLC_OBJECT(p_vout),
384 p_pic, VLC_CODEC_YUVA );
388 /* FIXME DEFAULT_CHAN is not good (used by the text) but
389 * hardcoded 0 doesn't seem right */
390 p_subpic->i_channel = 0;
391 p_subpic->i_start = mdate();
392 p_subpic->i_stop = p_subpic->i_start + 4000000;
393 p_subpic->b_ephemer = true;
394 p_subpic->b_fade = true;
396 /* Reduce the picture to 1/4^2 of the screen */
397 p_subpic->i_original_picture_width *= 4;
398 p_subpic->i_original_picture_height *= 4;
400 spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
405 * This function will display the name and a PIP of the provided snapshot
407 static void VoutOsdSnapshot( vout_thread_t *p_vout, picture_t *p_pic, const char *psz_filename )
409 msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
410 vout_OSDMessage( VLC_OBJECT( p_vout ), DEFAULT_CHAN, "%s", psz_filename );
412 if( var_GetBool( p_vout, "snapshot-preview" ) )
414 if( VoutSnapshotPip( p_vout, p_pic ) )
415 msg_Warn( p_vout, "Failed to display snapshot" );
420 int vout_GetSnapshot( vout_thread_t *p_vout,
421 block_t **pp_image, picture_t **pp_picture,
422 video_format_t *p_fmt,
423 const char *psz_format, mtime_t i_timeout )
425 picture_t *p_picture = vout_snapshot_Get( &p_vout->p->snapshot, i_timeout );
428 msg_Err( p_vout, "Failed to grab a snapshot" );
434 vlc_fourcc_t i_format = VLC_CODEC_PNG;
435 if( psz_format && image_Type2Fourcc( psz_format ) )
436 i_format = image_Type2Fourcc( psz_format );
438 const int i_override_width = var_GetInteger( p_vout, "snapshot-width" );
439 const int i_override_height = var_GetInteger( p_vout, "snapshot-height" );
441 if( picture_Export( VLC_OBJECT(p_vout), pp_image, p_fmt,
442 p_picture, i_format, i_override_width, i_override_height ) )
444 msg_Err( p_vout, "Failed to convert image for snapshot" );
445 picture_Release( p_picture );
450 *pp_picture = p_picture;
452 picture_Release( p_picture );
457 * This function will handle a snapshot request
459 static void VoutSaveSnapshot( vout_thread_t *p_vout )
461 char *psz_path = var_GetNonEmptyString( p_vout, "snapshot-path" );
462 char *psz_format = var_GetNonEmptyString( p_vout, "snapshot-format" );
463 char *psz_prefix = var_GetNonEmptyString( p_vout, "snapshot-prefix" );
466 picture_t *p_picture;
471 * XXX it will cause trouble with low fps video (< 2fps) */
472 if( vout_GetSnapshot( p_vout, &p_image, &p_picture, &fmt, psz_format, 500*1000 ) )
481 psz_path = vout_snapshot_GetDirectory();
484 msg_Err( p_vout, "no path specified for snapshots" );
489 vout_snapshot_save_cfg_t cfg;
490 memset( &cfg, 0, sizeof(cfg) );
491 cfg.is_sequential = var_GetBool( p_vout, "snapshot-sequential" );
492 cfg.sequence = var_GetInteger( p_vout, "snapshot-num" );
494 cfg.format = psz_format;
495 cfg.prefix_fmt = psz_prefix;
499 if (vout_snapshot_SaveImage( &psz_filename, &i_sequence,
500 p_image, VLC_OBJECT(p_vout), &cfg ) )
502 if( cfg.is_sequential )
503 var_SetInteger( p_vout, "snapshot-num", i_sequence + 1 );
505 VoutOsdSnapshot( p_vout, p_picture, psz_filename );
507 /* Generate a media player event - Right now just trigger a global libvlc var
508 CHECK: Could not find a more local object. The goal is to communicate
509 vout_thread with libvlc_media_player or its input_thread */
510 var_SetString( p_vout->p_libvlc, "vout-snapshottaken", 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 vout_thread_t *p_vout = (vout_thread_t *)p_this;
700 (void)psz_cmd; (void)oldval; (void)newval; (void)p_data;
701 InitWindowSize( p_vout, &p_vout->i_window_width,
702 &p_vout->i_window_height );
703 vout_Control( p_vout, VOUT_SET_SIZE, p_vout->i_window_width,
704 p_vout->i_window_height );
708 static int CropCallback( vlc_object_t *p_this, char const *psz_cmd,
709 vlc_value_t oldval, vlc_value_t newval, void *p_data )
711 vout_thread_t *p_vout = (vout_thread_t *)p_this;
712 int64_t i_aspect_num, i_aspect_den;
713 unsigned int i_width, i_height;
715 (void)oldval; (void)p_data;
717 /* Restore defaults */
718 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset;
719 p_vout->fmt_in.i_visible_width = p_vout->fmt_render.i_visible_width;
720 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset;
721 p_vout->fmt_in.i_visible_height = p_vout->fmt_render.i_visible_height;
723 if( !strcmp( psz_cmd, "crop" ) )
725 char *psz_end = NULL, *psz_parser = strchr( newval.psz_string, ':' );
728 /* We're using the 3:4 syntax */
729 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
730 if( psz_end == newval.psz_string || !i_aspect_num ) goto crop_end;
732 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
733 if( psz_end == psz_parser || !i_aspect_den ) goto crop_end;
735 i_width = p_vout->fmt_in.i_sar_den*p_vout->fmt_render.i_visible_height *
736 i_aspect_num / i_aspect_den / p_vout->fmt_in.i_sar_num;
737 i_height = p_vout->fmt_render.i_visible_width*p_vout->fmt_in.i_sar_num *
738 i_aspect_den / i_aspect_num / p_vout->fmt_in.i_sar_den;
740 if( i_width < p_vout->fmt_render.i_visible_width )
742 p_vout->fmt_in.i_x_offset = p_vout->fmt_render.i_x_offset +
743 (p_vout->fmt_render.i_visible_width - i_width) / 2;
744 p_vout->fmt_in.i_visible_width = i_width;
748 p_vout->fmt_in.i_y_offset = p_vout->fmt_render.i_y_offset +
749 (p_vout->fmt_render.i_visible_height - i_height) / 2;
750 p_vout->fmt_in.i_visible_height = i_height;
755 psz_parser = strchr( newval.psz_string, 'x' );
758 /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
759 unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
761 i_crop_width = strtol( newval.psz_string, &psz_end, 10 );
762 if( psz_end != psz_parser ) goto crop_end;
764 psz_parser = strchr( ++psz_end, '+' );
765 i_crop_height = strtol( psz_end, &psz_end, 10 );
766 if( psz_end != psz_parser ) goto crop_end;
768 psz_parser = strchr( ++psz_end, '+' );
769 i_crop_left = strtol( psz_end, &psz_end, 10 );
770 if( psz_end != psz_parser ) goto crop_end;
773 i_crop_top = strtol( psz_end, &psz_end, 10 );
774 if( *psz_end != '\0' ) goto crop_end;
776 if( i_crop_top + i_crop_height >= p_vout->fmt_render.i_visible_height ||
777 i_crop_left + i_crop_width >= p_vout->fmt_render.i_visible_width )
779 msg_Err( p_vout, "Unable to crop over picture boundaries");
783 i_width = i_crop_width;
784 p_vout->fmt_in.i_visible_width = i_width;
786 i_height = i_crop_height;
787 p_vout->fmt_in.i_visible_height = i_height;
789 p_vout->fmt_in.i_x_offset = i_crop_left;
790 p_vout->fmt_in.i_y_offset = i_crop_top;
794 /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
795 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
797 psz_parser = strchr( newval.psz_string, '+' );
798 i_crop_left = strtol( newval.psz_string, &psz_end, 10 );
799 if( psz_end != psz_parser ) goto crop_end;
801 psz_parser = strchr( ++psz_end, '+' );
802 i_crop_top = strtol( psz_end, &psz_end, 10 );
803 if( psz_end != psz_parser ) goto crop_end;
805 psz_parser = strchr( ++psz_end, '+' );
806 i_crop_right = strtol( psz_end, &psz_end, 10 );
807 if( psz_end != psz_parser ) goto crop_end;
810 i_crop_bottom = strtol( psz_end, &psz_end, 10 );
811 if( *psz_end != '\0' ) goto crop_end;
813 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
814 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
816 msg_Err( p_vout, "Unable to crop over picture boundaries" );
820 i_width = p_vout->fmt_render.i_visible_width
821 - i_crop_left - i_crop_right;
822 p_vout->fmt_in.i_visible_width = i_width;
824 i_height = p_vout->fmt_render.i_visible_height
825 - i_crop_top - i_crop_bottom;
826 p_vout->fmt_in.i_visible_height = i_height;
828 p_vout->fmt_in.i_x_offset = i_crop_left;
829 p_vout->fmt_in.i_y_offset = i_crop_top;
833 else if( !strcmp( psz_cmd, "crop-top" )
834 || !strcmp( psz_cmd, "crop-left" )
835 || !strcmp( psz_cmd, "crop-bottom" )
836 || !strcmp( psz_cmd, "crop-right" ) )
838 unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
840 i_crop_top = var_GetInteger( p_vout, "crop-top" );
841 i_crop_left = var_GetInteger( p_vout, "crop-left" );
842 i_crop_right = var_GetInteger( p_vout, "crop-right" );
843 i_crop_bottom = var_GetInteger( p_vout, "crop-bottom" );
845 if( i_crop_top + i_crop_bottom >= p_vout->fmt_render.i_visible_height ||
846 i_crop_right + i_crop_left >= p_vout->fmt_render.i_visible_width )
848 msg_Err( p_vout, "Unable to crop over picture boundaries" );
852 i_width = p_vout->fmt_render.i_visible_width
853 - i_crop_left - i_crop_right;
854 p_vout->fmt_in.i_visible_width = i_width;
856 i_height = p_vout->fmt_render.i_visible_height
857 - i_crop_top - i_crop_bottom;
858 p_vout->fmt_in.i_visible_height = i_height;
860 p_vout->fmt_in.i_x_offset = i_crop_left;
861 p_vout->fmt_in.i_y_offset = i_crop_top;
865 InitWindowSize( p_vout, &p_vout->i_window_width,
866 &p_vout->i_window_height );
868 p_vout->i_changes |= VOUT_CROP_CHANGE;
870 msg_Dbg( p_vout, "cropping picture %ix%i to %i,%i,%ix%i",
871 p_vout->fmt_in.i_width, p_vout->fmt_in.i_height,
872 p_vout->fmt_in.i_x_offset, p_vout->fmt_in.i_y_offset,
873 p_vout->fmt_in.i_visible_width,
874 p_vout->fmt_in.i_visible_height );
876 var_TriggerCallback( p_vout, "crop-update" );
881 static int AspectCallback( vlc_object_t *p_this, char const *psz_cmd,
882 vlc_value_t oldval, vlc_value_t newval, void *p_data )
884 vout_thread_t *p_vout = (vout_thread_t *)p_this;
885 unsigned int i_aspect_num, i_aspect_den, i_sar_num, i_sar_den;
888 char *psz_end, *psz_parser = strchr( newval.psz_string, ':' );
889 (void)psz_cmd; (void)oldval; (void)p_data;
891 /* Restore defaults */
892 p_vout->fmt_in.i_sar_num = p_vout->fmt_render.i_sar_num;
893 p_vout->fmt_in.i_sar_den = p_vout->fmt_render.i_sar_den;
894 p_vout->fmt_in.i_aspect = p_vout->fmt_render.i_aspect;
895 p_vout->render.i_aspect = p_vout->fmt_render.i_aspect;
897 if( !psz_parser ) goto aspect_end;
899 i_aspect_num = strtol( newval.psz_string, &psz_end, 10 );
900 if( psz_end == newval.psz_string || !i_aspect_num ) goto aspect_end;
902 i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
903 if( psz_end == psz_parser || !i_aspect_den ) goto aspect_end;
905 i_sar_num = i_aspect_num * p_vout->fmt_render.i_visible_height;
906 i_sar_den = i_aspect_den * p_vout->fmt_render.i_visible_width;
907 vlc_ureduce( &i_sar_num, &i_sar_den, i_sar_num, i_sar_den, 0 );
908 p_vout->fmt_in.i_sar_num = i_sar_num;
909 p_vout->fmt_in.i_sar_den = i_sar_den;
910 p_vout->fmt_in.i_aspect = i_aspect_num * VOUT_ASPECT_FACTOR / i_aspect_den;
911 p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
914 if( p_vout->p->i_par_num && p_vout->p->i_par_den )
916 p_vout->fmt_in.i_sar_num *= p_vout->p->i_par_den;
917 p_vout->fmt_in.i_sar_den *= p_vout->p->i_par_num;
918 p_vout->fmt_in.i_aspect = p_vout->fmt_in.i_aspect *
919 p_vout->p->i_par_den / p_vout->p->i_par_num;
920 p_vout->render.i_aspect = p_vout->fmt_in.i_aspect;
923 p_vout->i_changes |= VOUT_ASPECT_CHANGE;
925 vlc_ureduce( &i_aspect_num, &i_aspect_den,
926 p_vout->fmt_in.i_aspect, VOUT_ASPECT_FACTOR, 0 );
927 msg_Dbg( p_vout, "new aspect-ratio %i:%i, sample aspect-ratio %i:%i",
928 i_aspect_num, i_aspect_den,
929 p_vout->fmt_in.i_sar_num, p_vout->fmt_in.i_sar_den );
931 if( var_Get( p_vout, "crop", &val ) )
934 int i_ret = CropCallback( p_this, "crop", val, val, 0 );
935 free( val.psz_string );
939 static int ScalingCallback( vlc_object_t *p_this, char const *psz_cmd,
940 vlc_value_t oldval, vlc_value_t newval, void *p_data )
942 vout_thread_t *p_vout = (vout_thread_t *)p_this;
943 (void)oldval; (void)newval; (void)p_data;
945 vlc_mutex_lock( &p_vout->change_lock );
947 if( !strcmp( psz_cmd, "autoscale" ) )
949 p_vout->i_changes |= VOUT_SCALE_CHANGE;
951 else if( !strcmp( psz_cmd, "scale" ) )
953 p_vout->i_changes |= VOUT_ZOOM_CHANGE;
956 vlc_mutex_unlock( &p_vout->change_lock );
961 static int OnTopCallback( vlc_object_t *p_this, char const *psz_cmd,
962 vlc_value_t oldval, vlc_value_t newval, void *p_data )
964 vout_thread_t *p_vout = (vout_thread_t *)p_this;
966 vlc_mutex_lock( &p_vout->change_lock );
967 p_vout->i_changes |= VOUT_ON_TOP_CHANGE;
968 p_vout->b_on_top = newval.b_bool;
969 vlc_mutex_unlock( &p_vout->change_lock );
971 /* Modify libvlc as well because the vout might have to be restarted */
972 var_Create( p_vout->p_libvlc, "video-on-top", VLC_VAR_BOOL );
973 var_Set( p_vout->p_libvlc, "video-on-top", newval );
975 (void)psz_cmd; (void)oldval; (void)p_data;
979 static int FullscreenCallback( vlc_object_t *p_this, char const *psz_cmd,
980 vlc_value_t oldval, vlc_value_t newval, void *p_data )
982 vout_thread_t *p_vout = (vout_thread_t *)p_this;
984 (void)psz_cmd; (void)oldval; (void)p_data;
986 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
988 /* Modify libvlc as well because the vout might have to be restarted */
989 var_Create( p_vout->p_libvlc, "fullscreen", VLC_VAR_BOOL );
990 var_Set( p_vout->p_libvlc, "fullscreen", newval );
993 var_Set( p_vout, "intf-change", val );
997 static int SnapshotCallback( vlc_object_t *p_this, char const *psz_cmd,
998 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1000 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1001 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
1002 VLC_UNUSED(newval); VLC_UNUSED(p_data);
1004 VoutSaveSnapshot( p_vout );
1008 static int TitleShowCallback( vlc_object_t *p_this, char const *psz_cmd,
1009 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1011 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
1013 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1014 p_vout->p->b_title_show = newval.b_bool;
1018 static int TitleTimeoutCallback( vlc_object_t *p_this, char const *psz_cmd,
1019 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1021 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1022 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1023 p_vout->p->i_title_timeout = (mtime_t) newval.i_int;
1027 static int TitlePositionCallback( vlc_object_t *p_this, char const *psz_cmd,
1028 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1030 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
1032 vout_thread_t *p_vout = (vout_thread_t *)p_this;
1033 p_vout->p->i_title_position = newval.i_int;