1 /*****************************************************************************
2 * mosaic.c : Mosaic video plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2004-2005 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea@via.ecp.fr>
8 * Christophe Massiot <massiot@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
29 #include <stdlib.h> /* malloc(), free() */
37 # include <limits.h> /* INT_MAX */
40 #include "vlc_filter.h"
41 #include "vlc_image.h"
45 #define BLANK_DELAY I64C(1000000)
47 /*****************************************************************************
49 *****************************************************************************/
50 static int CreateFilter ( vlc_object_t * );
51 static void DestroyFilter ( vlc_object_t * );
53 static subpicture_t *Filter( filter_t *, mtime_t );
55 static int MosaicCallback( vlc_object_t *, char const *, vlc_value_t,
56 vlc_value_t, void * );
58 /*****************************************************************************
59 * filter_sys_t : filter descriptor
60 *****************************************************************************/
66 image_handler_t *p_image;
69 int i_position; /* mosaic positioning method */
70 vlc_bool_t b_ar; /* do we keep the aspect ratio ? */
71 vlc_bool_t b_keep; /* do we keep the original picture format ? */
72 int i_width, i_height; /* mosaic height and width */
73 int i_cols, i_rows; /* mosaic rows and cols */
74 int i_align; /* mosaic alignment in background video */
75 int i_xoffset, i_yoffset; /* top left corner offset */
76 int i_borderw, i_borderh; /* border width/height between miniatures */
77 int i_alpha; /* subfilter alpha blending */
79 vlc_bool_t b_bs; /* Bluescreen vars */
80 int i_bsu, i_bsv, i_bsut, i_bsvt;
82 char **ppsz_order; /* list of picture-id */
85 int *pi_x_offsets; /* list of substreams x offsets */
86 int *pi_y_offsets; /* list of substreams y offsets */
92 /*****************************************************************************
94 *****************************************************************************/
95 #define ALPHA_TEXT N_("Transparency")
96 #define ALPHA_LONGTEXT N_("Transparency of the mosaic foreground pictures. " \
97 "0 means transparent, 255 opaque (default)." )
99 #define HEIGHT_TEXT N_("Height")
100 #define HEIGHT_LONGTEXT N_( "Total height of the mosaic, in pixels." )
101 #define WIDTH_TEXT N_("Width")
102 #define WIDTH_LONGTEXT N_( "Total width of the mosaic, in pixels." )
104 #define XOFFSET_TEXT N_("Top left corner X coordinate")
105 #define XOFFSET_LONGTEXT N_("X Coordinate of the top-left corner of the mosaic.")
106 #define YOFFSET_TEXT N_("Top left corner Y coordinate")
107 #define YOFFSET_LONGTEXT N_("Y Coordinate of the top-left corner of the mosaic.")
108 #define BORDERW_TEXT N_("Border width")
109 #define BORDERW_LONGTEXT N_( "Width in pixels of the border between miniatures." )
110 #define BORDERH_TEXT N_("Border height")
111 #define BORDERH_LONGTEXT N_( "Height in pixels of the border between miniatures." )
113 #define ALIGN_TEXT N_("Mosaic alignment" )
114 #define ALIGN_LONGTEXT N_( \
115 "You can enforce the mosaic alignment on the video " \
116 "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
117 "also use combinations of these values, eg 6 = top-right).")
119 #define POS_TEXT N_("Positioning method")
120 #define POS_LONGTEXT N_("Positioning method for the mosaic. auto: " \
121 "automatically choose the best number of rows and columns. " \
122 "fixed: use the user-defined number of rows and columns. " \
123 "offsets: use the user-defined offsets for each image." )
125 /// \bug [String] missing closing parenthesis
126 #define ROWS_TEXT N_("Number of rows")
127 #define ROWS_LONGTEXT N_("Number of image rows in the mosaic (only used if "\
128 "positionning method is set to \"fixed\"." )
129 #define COLS_TEXT N_("Number of columns")
130 #define COLS_LONGTEXT N_("Number of image columns in the mosaic (only used if "\
131 "positionning method is set to \"fixed\"." )
133 #define AR_TEXT N_("Keep aspect ratio")
134 #define AR_LONGTEXT N_("Keep the original aspect ratio when resizing " \
136 #define KEEP_TEXT N_("Keep original size")
137 #define KEEP_LONGTEXT N_("Keep the original size of mosaic elements." )
139 #define ORDER_TEXT N_("Elements order" )
140 #define ORDER_LONGTEXT N_( "You can enforce the order of the elements on " \
141 "the mosaic. You must give a comma-separated list of picture ID(s)." \
142 "These IDs are assigned in the \"mosaic-bridge\" module." )
144 #define OFFSETS_TEXT N_("Offsets in order" )
145 #define OFFSETS_LONGTEXT N_( "You can enforce the (x,y) offsets of the elements on " \
146 "the mosaic (only used if positioning method is set to \"offsets\"). You " \
147 "must give a comma-separated list of coordinates (eg: 10,10,150,10)." )
149 #define DELAY_TEXT N_("Delay")
150 #define DELAY_LONGTEXT N_("Pictures coming from the mosaic elements " \
151 "will be delayed according to this value (in milliseconds). For high " \
152 "values you will need to raise caching at input.")
154 #define BLUESCREEN_TEXT N_("Bluescreen" )
155 #define BLUESCREEN_LONGTEXT N_( "This effect, also known as \"greenscreen\" "\
156 "or \"chroma key\" blends the \"blue parts\" of the foreground images of " \
157 "the mosaic on the background (like wheather forecast presenters). You " \
158 "can choose the \"key\" color for blending (blue by default)." )
160 #define BLUESCREENU_TEXT N_("Bluescreen U value")
161 #define BLUESCREENU_LONGTEXT N_("\"U\" value for the bluescreen key color " \
162 "(in YUV values). From 0 to 255. Defaults to 120 for blue." )
163 #define BLUESCREENV_TEXT N_("Bluescreen V value")
164 #define BLUESCREENV_LONGTEXT N_("\"V\" value for the bluescreen key color " \
165 "(in YUV values). From 0 to 255. Defaults to 90 for blue." )
166 #define BLUESCREENUTOL_TEXT N_("Bluescreen U tolerance")
167 #define BLUESCREENUTOL_LONGTEXT N_("Tolerance of the bluescreen blender " \
168 "on color variations for the U plane. A value between 10 and 20 " \
170 #define BLUESCREENVTOL_TEXT N_("Bluescreen V tolerance")
171 #define BLUESCREENVTOL_LONGTEXT N_("Tolerance of the bluescreen blender " \
172 "on color variations for the V plane. A value between 10 and 20 " \
175 static int pi_pos_values[] = { 0, 1, 2 };
176 static char * ppsz_pos_descriptions[] =
177 { N_("auto"), N_("fixed"), N_("offsets") };
179 static int pi_align_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
180 static char *ppsz_align_descriptions[] =
181 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
182 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
184 #define CFG_PREFIX "mosaic-"
187 set_description( N_("Mosaic video sub filter") );
188 set_shortname( N_("Mosaic") );
189 set_category( CAT_VIDEO );
190 set_subcategory( SUBCAT_VIDEO_SUBPIC);
191 set_capability( "sub filter", 0 );
192 set_callbacks( CreateFilter, DestroyFilter );
194 add_integer( CFG_PREFIX "alpha", 255, NULL, ALPHA_TEXT, ALPHA_LONGTEXT, VLC_FALSE );
195 add_integer( CFG_PREFIX "height", 100, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, VLC_FALSE );
196 add_integer( CFG_PREFIX "width", 100, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_FALSE );
197 add_integer( CFG_PREFIX "align", 5, NULL, ALIGN_TEXT, ALIGN_LONGTEXT, VLC_TRUE);
198 change_integer_list( pi_align_values, ppsz_align_descriptions, 0 );
199 add_integer( CFG_PREFIX "xoffset", 0, NULL, XOFFSET_TEXT, XOFFSET_LONGTEXT, VLC_TRUE );
200 add_integer( CFG_PREFIX "yoffset", 0, NULL, YOFFSET_TEXT, YOFFSET_LONGTEXT, VLC_TRUE );
201 add_integer( CFG_PREFIX "borderw", 0, NULL, BORDERW_TEXT, BORDERW_LONGTEXT, VLC_TRUE );
202 add_deprecated( CFG_PREFIX "vborder", VLC_FALSE );
203 add_integer( CFG_PREFIX "borderh", 0, NULL, BORDERH_TEXT, BORDERH_LONGTEXT, VLC_TRUE );
204 add_deprecated( CFG_PREFIX "hborder", VLC_FALSE );
206 add_integer( CFG_PREFIX "position", 0, NULL, POS_TEXT, POS_LONGTEXT, VLC_FALSE );
207 change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
208 add_integer( CFG_PREFIX "rows", 2, NULL, ROWS_TEXT, ROWS_LONGTEXT, VLC_FALSE );
209 add_integer( CFG_PREFIX "cols", 2, NULL, COLS_TEXT, COLS_LONGTEXT, VLC_FALSE );
210 add_bool( CFG_PREFIX "keep-aspect-ratio", 0, NULL, AR_TEXT, AR_LONGTEXT, VLC_FALSE );
211 add_bool( CFG_PREFIX "keep-picture", 0, NULL, KEEP_TEXT, KEEP_LONGTEXT, VLC_FALSE );
212 add_string( CFG_PREFIX "order", "", NULL, ORDER_TEXT, ORDER_LONGTEXT, VLC_FALSE );
213 add_string( CFG_PREFIX "offsets", "", NULL, OFFSETS_TEXT, OFFSETS_LONGTEXT, VLC_FALSE );
215 add_integer( CFG_PREFIX "delay", 0, NULL, DELAY_TEXT, DELAY_LONGTEXT,
218 add_bool( CFG_PREFIX "bs", 0, NULL, BLUESCREEN_TEXT,
219 BLUESCREEN_LONGTEXT, VLC_FALSE );
220 add_integer( CFG_PREFIX "bsu", 120, NULL, BLUESCREENU_TEXT,
221 BLUESCREENU_LONGTEXT, VLC_FALSE );
222 add_integer( CFG_PREFIX "bsv", 90, NULL, BLUESCREENV_TEXT,
223 BLUESCREENV_LONGTEXT, VLC_FALSE );
224 add_integer( CFG_PREFIX "bsut", 17, NULL, BLUESCREENUTOL_TEXT,
225 BLUESCREENUTOL_LONGTEXT, VLC_FALSE );
226 add_integer( CFG_PREFIX "bsvt", 17, NULL, BLUESCREENVTOL_TEXT,
227 BLUESCREENVTOL_LONGTEXT, VLC_FALSE );
229 var_Create( p_module->p_libvlc_global, "mosaic-lock", VLC_VAR_MUTEX );
232 static const char *ppsz_filter_options[] = {
233 "alpha", "height", "width", "align", "xoffset", "yoffset",
234 "borderw", "borderh", "position", "rows", "cols",
235 "keep-aspect-ratio", "keep-picture", "order", "offsets",
236 "delay", "bs", "bsu", "bsv", "bsut", "bsvt", NULL
239 /*****************************************************************************
240 * mosaic_ParseSetOffsets:
241 * parse the "--mosaic-offsets x1,y1,x2,y2,x3,y3" parameter
242 * and set the corresponding struct filter_sys_t entries.
243 *****************************************************************************/
244 void mosaic_ParseSetOffsets( vlc_object_t *p_this, filter_sys_t *p_sys, char *psz_offsets )
246 if( psz_offsets[0] != 0 )
248 char *psz_end = NULL;
254 p_sys->pi_x_offsets = realloc( p_sys->pi_x_offsets, i_index * sizeof(int) );
255 p_sys->pi_x_offsets[i_index - 1] = atoi( psz_offsets );
256 psz_end = strchr( psz_offsets, ',' );
257 psz_offsets = psz_end + 1;
259 p_sys->pi_y_offsets = realloc( p_sys->pi_y_offsets, i_index * sizeof(int) );
260 p_sys->pi_y_offsets[i_index - 1] = atoi( psz_offsets );
261 psz_end = strchr( psz_offsets, ',' );
262 psz_offsets = psz_end + 1;
264 msg_Dbg( p_this, CFG_PREFIX "offset: id %d, x=%d, y=%d", i_index, p_sys->pi_x_offsets[i_index - 1], p_sys->pi_y_offsets[i_index - 1] );
266 } while( NULL != psz_end );
267 p_sys->i_offsets_length = i_index;
271 /*****************************************************************************
272 * CreateFiler: allocate mosaic video filter
273 *****************************************************************************/
274 static int CreateFilter( vlc_object_t *p_this )
276 filter_t *p_filter = (filter_t *)p_this;
278 libvlc_global_data_t *p_libvlc_global = p_filter->p_libvlc_global;
284 /* The mosaic thread is more important than the decoder threads */
285 vlc_thread_set_priority( p_this, VLC_THREAD_PRIORITY_OUTPUT );
287 /* Allocate structure */
288 p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
291 msg_Err( p_filter, "out of memory" );
295 p_filter->pf_sub_filter = Filter;
298 vlc_mutex_init( p_filter, &p_sys->lock );
299 vlc_mutex_lock( &p_sys->lock );
301 var_Get( p_libvlc_global, "mosaic-lock", &val );
302 p_sys->p_lock = val.p_address;
304 config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
307 #define GET_VAR( name, min, max ) \
308 p_sys->i_##name = __MIN( max, __MAX( min, \
309 var_CreateGetInteger( p_filter, CFG_PREFIX #name ) ) ); \
310 var_Destroy( p_filter, CFG_PREFIX #name ); \
311 var_Create( p_libvlc_global, CFG_PREFIX #name, VLC_VAR_INTEGER ); \
312 var_SetInteger( p_libvlc_global, CFG_PREFIX #name, p_sys->i_##name ); \
313 var_AddCallback( p_libvlc_global, CFG_PREFIX #name, MosaicCallback, p_sys );
315 GET_VAR( width, 0, INT_MAX );
316 GET_VAR( height, 0, INT_MAX );
317 GET_VAR( xoffset, 0, INT_MAX );
318 GET_VAR( yoffset, 0, INT_MAX );
320 p_sys->i_align = __MIN( 10, __MAX( 0, var_CreateGetInteger( p_filter, CFG_PREFIX "align" ) ) );
321 if( p_sys->i_align == 3 || p_sys->i_align == 7 )
323 var_Destroy( p_filter, CFG_PREFIX "align" );
324 var_Create( p_libvlc_global, CFG_PREFIX "align", VLC_VAR_INTEGER );
325 var_SetInteger( p_libvlc_global, CFG_PREFIX "align", p_sys->i_align );
326 var_AddCallback( p_libvlc_global, CFG_PREFIX "align", MosaicCallback, p_sys );
328 GET_VAR( borderw, 0, INT_MAX );
329 GET_VAR( borderh, 0, INT_MAX );
330 GET_VAR( rows, 1, INT_MAX );
331 GET_VAR( cols, 1, INT_MAX );
332 GET_VAR( alpha, 0, 255 );
333 GET_VAR( position, 0, 2 );
334 GET_VAR( delay, 100, INT_MAX );
335 p_sys->i_delay *= 1000;
337 p_sys->b_ar = var_CreateGetBool( p_filter, CFG_PREFIX "keep-aspect-ratio" );
338 var_Destroy( p_filter, CFG_PREFIX "keep-aspect-ratio" );
339 var_Create( p_libvlc_global, CFG_PREFIX "keep-aspect-ratio", VLC_VAR_INTEGER );
340 var_SetBool( p_libvlc_global, CFG_PREFIX "keep-aspect-ratio", p_sys->b_ar );
341 var_AddCallback( p_libvlc_global, CFG_PREFIX "keep-aspect-ratio", MosaicCallback,
344 p_sys->b_keep = var_CreateGetBool( p_filter, CFG_PREFIX "keep-picture" );
345 if ( !p_sys->b_keep )
347 p_sys->p_image = image_HandlerCreate( p_filter );
350 p_sys->i_order_length = 0;
351 p_sys->ppsz_order = NULL;
352 psz_order = var_CreateGetString( p_filter, CFG_PREFIX "order" );
354 var_Create( p_libvlc_global, CFG_PREFIX "order", VLC_VAR_STRING);
355 var_AddCallback( p_libvlc_global, CFG_PREFIX "order", MosaicCallback, p_sys );
357 if( psz_order[0] != 0 )
359 char *psz_end = NULL;
363 psz_end = strchr( psz_order, ',' );
365 p_sys->ppsz_order = realloc( p_sys->ppsz_order,
366 i_index * sizeof(char *) );
367 p_sys->ppsz_order[i_index - 1] = strndup( psz_order,
368 psz_end - psz_order );
369 psz_order = psz_end+1;
370 } while( NULL != psz_end );
371 p_sys->i_order_length = i_index;
374 /* Manage specific offsets for substreams */
375 psz_offsets = var_CreateGetString( p_filter, CFG_PREFIX "offsets" );
376 var_Destroy( p_filter, CFG_PREFIX "offsets" );
377 p_sys->i_offsets_length = 0;
378 p_sys->pi_x_offsets = NULL;
379 p_sys->pi_y_offsets = NULL;
380 mosaic_ParseSetOffsets( (vlc_object_t *) p_filter, p_sys, psz_offsets );
381 var_Create( p_libvlc_global, CFG_PREFIX "offsets", VLC_VAR_STRING);
382 var_SetString( p_libvlc_global, CFG_PREFIX "offsets", psz_offsets );
383 var_AddCallback( p_libvlc_global, CFG_PREFIX "offsets", MosaicCallback, p_sys );
385 /* Bluescreen specific stuff */
386 GET_VAR( bsu, 0x00, 0xff );
387 GET_VAR( bsv, 0x00, 0xff );
388 GET_VAR( bsut, 0x00, 0xff );
389 GET_VAR( bsvt, 0x00, 0xff );
390 p_sys->b_bs = var_CreateGetBool( p_filter, CFG_PREFIX "bs" );
391 var_Destroy( p_filter, CFG_PREFIX "bs" );
392 var_Create( p_libvlc_global, CFG_PREFIX "bs", VLC_VAR_INTEGER );
393 var_SetBool( p_libvlc_global, CFG_PREFIX "bs", p_sys->b_bs );
394 var_AddCallback( p_libvlc_global, CFG_PREFIX "bs", MosaicCallback, p_sys );
395 if( p_sys->b_bs && p_sys->b_keep )
397 msg_Warn( p_filter, CFG_PREFIX "keep-picture needs to be disabled for"
398 " bluescreen to work" );
401 vlc_mutex_unlock( &p_sys->lock );
406 /*****************************************************************************
407 * DestroyFilter: destroy mosaic video filter
408 *****************************************************************************/
409 static void DestroyFilter( vlc_object_t *p_this )
411 filter_t *p_filter = (filter_t*)p_this;
412 filter_sys_t *p_sys = p_filter->p_sys;
413 libvlc_global_data_t *p_libvlc_global = p_filter->p_libvlc_global;
416 vlc_mutex_lock( &p_sys->lock );
420 image_HandlerDelete( p_sys->p_image );
423 if( p_sys->i_order_length )
425 for( i_index = 0; i_index < p_sys->i_order_length; i_index++ )
427 free( p_sys->ppsz_order[i_index] );
429 free( p_sys->ppsz_order );
431 if( p_sys->i_offsets_length )
433 free( p_sys->pi_x_offsets );
434 free( p_sys->pi_y_offsets );
435 p_sys->i_offsets_length = 0;
437 var_Destroy( p_libvlc_global, CFG_PREFIX "offsets" );
438 var_Destroy( p_libvlc_global, CFG_PREFIX "alpha" );
439 var_Destroy( p_libvlc_global, CFG_PREFIX "height" );
440 var_Destroy( p_libvlc_global, CFG_PREFIX "align" );
441 var_Destroy( p_libvlc_global, CFG_PREFIX "width" );
442 var_Destroy( p_libvlc_global, CFG_PREFIX "xoffset" );
443 var_Destroy( p_libvlc_global, CFG_PREFIX "yoffset" );
444 var_Destroy( p_libvlc_global, CFG_PREFIX "vborder" );
445 var_Destroy( p_libvlc_global, CFG_PREFIX "hborder" );
446 var_Destroy( p_libvlc_global, CFG_PREFIX "position" );
447 var_Destroy( p_libvlc_global, CFG_PREFIX "rows" );
448 var_Destroy( p_libvlc_global, CFG_PREFIX "cols" );
449 var_Destroy( p_libvlc_global, CFG_PREFIX "keep-aspect-ratio" );
451 var_Destroy( p_libvlc_global, CFG_PREFIX "bsu" );
452 var_Destroy( p_libvlc_global, CFG_PREFIX "bsv" );
453 var_Destroy( p_libvlc_global, CFG_PREFIX "bsut" );
454 var_Destroy( p_libvlc_global, CFG_PREFIX "bsvt" );
455 var_Destroy( p_libvlc_global, CFG_PREFIX "bs" );
457 if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
458 vlc_mutex_unlock( &p_sys->lock );
459 vlc_mutex_destroy( &p_sys->lock );
463 /*****************************************************************************
464 * MosaicReleasePicture : Hack to avoid picture duplication
465 *****************************************************************************/
466 static void MosaicReleasePicture( picture_t *p_picture )
468 picture_t *p_original_pic = (picture_t *)p_picture->p_sys;
470 p_original_pic->pf_release( p_original_pic );
473 /*****************************************************************************
475 *****************************************************************************/
476 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
478 filter_sys_t *p_sys = p_filter->p_sys;
483 int i_index, i_real_index, i_row, i_col;
484 int i_greatest_real_index_used = p_sys->i_order_length - 1;
486 unsigned int col_inner_width, row_inner_height;
488 subpicture_region_t *p_region;
489 subpicture_region_t *p_region_prev = NULL;
491 /* Allocate the subpicture internal data. */
492 p_spu = p_filter->pf_sub_buffer_new( p_filter );
498 /* Initialize subpicture */
499 p_spu->i_channel = 0;
500 p_spu->i_start = date;
502 p_spu->b_ephemer = VLC_TRUE;
503 p_spu->i_alpha = p_sys->i_alpha;
504 p_spu->i_flags = p_sys->i_align;
505 p_spu->b_absolute = VLC_FALSE;
507 vlc_mutex_lock( &p_sys->lock );
508 vlc_mutex_lock( p_sys->p_lock );
510 p_bridge = GetBridge( p_filter );
511 if ( p_bridge == NULL )
513 vlc_mutex_unlock( p_sys->p_lock );
514 vlc_mutex_unlock( &p_sys->lock );
518 if ( p_sys->i_position == 2 ) /* user-defined offsets for positioning */
520 /* If we have either too much or not enough offsets, fall-back
521 * to automatic positioning. */
522 if ( p_sys->i_offsets_length != p_sys->i_order_length )
524 msg_Err( p_filter, "Number of specified offsets (%d) does not match number of input substreams in mosaic-order (%d), falling back to mosaic-position=0", p_sys->i_offsets_length, p_sys->i_order_length );
525 p_sys->i_position = 0;
529 if ( p_sys->i_position == 0 ) /* use automatic positioning */
531 int i_numpics = p_sys->i_order_length; /* keep slots and all */
532 for ( i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
534 bridged_es_t *p_es = p_bridge->pp_es[i_index];
535 if ( !p_es->b_empty )
538 if( p_sys->i_order_length && p_es->psz_id != 0 )
540 /* We also want to leave slots for images given in
541 * mosaic-order that are not available in p_vout_picture */
543 for( i = 0; i < p_sys->i_order_length ; i++ )
545 if( !strcmp( p_sys->ppsz_order[i], p_es->psz_id ) )
555 p_sys->i_rows = ((int)ceil(sqrt( (float)i_numpics )));
556 p_sys->i_cols = ( i_numpics % p_sys->i_rows == 0 ?
557 i_numpics / p_sys->i_rows :
558 i_numpics / p_sys->i_rows + 1 );
561 col_inner_width = ( ( p_sys->i_width - ( p_sys->i_cols - 1 )
562 * p_sys->i_borderw ) / p_sys->i_cols );
563 row_inner_height = ( ( p_sys->i_height - ( p_sys->i_rows - 1 )
564 * p_sys->i_borderh ) / p_sys->i_rows );
568 for ( i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
570 bridged_es_t *p_es = p_bridge->pp_es[i_index];
571 video_format_t fmt_in = {0}, fmt_out = {0};
572 picture_t *p_converted;
577 while ( p_es->p_picture != NULL
578 && p_es->p_picture->date + p_sys->i_delay < date )
580 if ( p_es->p_picture->p_next != NULL )
582 picture_t *p_next = p_es->p_picture->p_next;
583 p_es->p_picture->pf_release( p_es->p_picture );
584 p_es->p_picture = p_next;
586 else if ( p_es->p_picture->date + p_sys->i_delay + BLANK_DELAY <
590 p_es->p_picture->pf_release( p_es->p_picture );
591 p_es->p_picture = NULL;
592 p_es->pp_last = &p_es->p_picture;
597 msg_Dbg( p_filter, "too late picture for %s (" I64Fd ")",
599 date - p_es->p_picture->date - p_sys->i_delay );
604 if ( p_es->p_picture == NULL )
607 if ( p_sys->i_order_length == 0 )
614 for ( i = 0; i <= p_sys->i_order_length; i++ )
616 if ( i == p_sys->i_order_length ) break;
617 if ( strcmp( p_es->psz_id, p_sys->ppsz_order[i] ) == 0 )
623 if ( i == p_sys->i_order_length )
624 i_real_index = ++i_greatest_real_index_used;
626 i_row = ( i_real_index / p_sys->i_cols ) % p_sys->i_rows;
627 i_col = i_real_index % p_sys->i_cols ;
629 if ( !p_sys->b_keep )
631 /* Convert the images */
632 fmt_in.i_chroma = p_es->p_picture->format.i_chroma;
633 fmt_in.i_height = p_es->p_picture->format.i_height;
634 fmt_in.i_width = p_es->p_picture->format.i_width;
636 fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
637 fmt_out.i_width = col_inner_width;
638 fmt_out.i_height = row_inner_height;
640 if( p_sys->b_ar ) /* keep aspect ratio */
642 if( (float)fmt_out.i_width / (float)fmt_out.i_height
643 > (float)fmt_in.i_width / (float)fmt_in.i_height )
645 fmt_out.i_width = ( fmt_out.i_height * fmt_in.i_width )
650 fmt_out.i_height = ( fmt_out.i_width * fmt_in.i_height )
655 fmt_out.i_visible_width = fmt_out.i_width;
656 fmt_out.i_visible_height = fmt_out.i_height;
658 p_converted = image_Convert( p_sys->p_image, p_es->p_picture,
663 "image resizing and chroma conversion failed" );
667 /* Bluescreen stuff */
671 int i_lines = p_converted->p[ A_PLANE ].i_lines;
672 int i_pitch = p_converted->p[ A_PLANE ].i_pitch;
673 uint8_t *p_a = p_converted->p[ A_PLANE ].p_pixels;
674 uint8_t *p_at = malloc( i_lines * i_pitch * sizeof( uint8_t ) );
675 uint8_t *p_u = p_converted->p[ U_PLANE ].p_pixels;
676 uint8_t *p_v = p_converted->p[ V_PLANE ].p_pixels;
677 uint8_t umin, umax, vmin, vmax;
678 umin = p_sys->i_bsu - p_sys->i_bsut >= 0x00 ?
679 p_sys->i_bsu - p_sys->i_bsut : 0x00;
680 umax = p_sys->i_bsu + p_sys->i_bsut <= 0xff ?
681 p_sys->i_bsu + p_sys->i_bsut : 0xff;
682 vmin = p_sys->i_bsv - p_sys->i_bsvt >= 0x00 ?
683 p_sys->i_bsv - p_sys->i_bsvt : 0x00;
684 vmax = p_sys->i_bsv + p_sys->i_bsvt <= 0xff ?
685 p_sys->i_bsv + p_sys->i_bsvt : 0xff;
687 for( i = 0; i < i_lines*i_pitch; i++ )
701 /* Gaussian convolution to make it look cleaner */
702 memset( p_a, 0, 2 * i_pitch );
703 for( i = 2; i < i_lines - 2; i++ )
705 p_a[i*i_pitch] = 0x00;
706 p_a[i*i_pitch+1] = 0x00;
707 for( j = 2; j < i_pitch - 2; j ++ )
709 p_a[i*i_pitch+j] = (uint8_t)((
711 ( p_at[(i-2)*i_pitch+j-2]<<1 )
712 + ( p_at[(i-2)*i_pitch+j-1]<<2 )
713 + ( p_at[(i-2)*i_pitch+j]<<2 )
714 + ( p_at[(i-2)*i_pitch+j+1]<<2 )
715 + ( p_at[(i-2)*i_pitch+j+2]<<1 )
717 + ( p_at[(i-1)*i_pitch+j-1]<<3 )
718 + ( p_at[(i-1)*i_pitch+j-2]<<2 )
719 + ( p_at[(i-1)*i_pitch+j]*12 )
720 + ( p_at[(i-1)*i_pitch+j+1]<<3 )
721 + ( p_at[(i-1)*i_pitch+j+2]<<2 )
723 + ( p_at[i*i_pitch+j-2]<<2 )
724 + ( p_at[i*i_pitch+j-1]*12 )
725 + ( p_at[i*i_pitch+j]<<4 )
726 + ( p_at[i*i_pitch+j+1]*12 )
727 + ( p_at[i*i_pitch+j+2]<<2 )
729 + ( p_at[(i+1)*i_pitch+j-2]<<2 )
730 + ( p_at[(i+1)*i_pitch+j-1]<<3 )
731 + ( p_at[(i+1)*i_pitch+j]*12 )
732 + ( p_at[(i+1)*i_pitch+j+1]<<3 )
733 + ( p_at[(i+1)*i_pitch+j+2]<<2 )
735 + ( p_at[(i+2)*i_pitch+j-2]<<1 )
736 + ( p_at[(i+2)*i_pitch+j-1]<<2 )
737 + ( p_at[(i+2)*i_pitch+j]<<2 )
738 + ( p_at[(i+2)*i_pitch+j+1]<<2 )
739 + ( p_at[(i+2)*i_pitch+j+2]<<1 )
741 if( p_a[i*i_pitch+j] < 0xbf ) p_a[i*i_pitch+j] = 0x00;
749 p_converted = p_es->p_picture;
750 p_converted->i_refcount++;
751 fmt_in.i_width = fmt_out.i_width = p_converted->format.i_width;
752 fmt_in.i_height = fmt_out.i_height = p_converted->format.i_height;
753 fmt_in.i_chroma = fmt_out.i_chroma = p_converted->format.i_chroma;
754 fmt_out.i_visible_width = fmt_out.i_width;
755 fmt_out.i_visible_height = fmt_out.i_height;
758 p_region = p_spu->pf_make_region( VLC_OBJECT(p_filter), &fmt_out,
762 msg_Err( p_filter, "cannot allocate SPU region" );
763 p_filter->pf_sub_buffer_del( p_filter, p_spu );
764 vlc_mutex_unlock( &p_sys->lock );
765 vlc_mutex_unlock( p_sys->p_lock );
769 /* HACK ALERT : let's fix the pointers to avoid picture duplication.
770 * This is necessary because p_region->picture is not a pointer
771 * as it ought to be. */
778 /* Keep a pointer to the original picture (and its refcount...). */
779 p_region->picture.p_sys = (picture_sys_t *)p_converted;
780 p_region->picture.pf_release = MosaicReleasePicture;
783 if( p_sys->i_position == 2 ) /* user-defined offset */
785 p_region->i_x = p_sys->pi_x_offsets[i_real_index];
787 else if( fmt_out.i_width > col_inner_width ||
788 p_sys->b_ar || p_sys->b_keep )
790 /* we don't have to center the video since it takes the
791 whole rectangle area or it's larger than the rectangle */
792 p_region->i_x = p_sys->i_xoffset
793 + i_col * ( p_sys->i_width / p_sys->i_cols )
794 + ( i_col * p_sys->i_borderw ) / p_sys->i_cols;
798 /* center the video in the dedicated rectangle */
799 p_region->i_x = p_sys->i_xoffset
800 + i_col * ( p_sys->i_width / p_sys->i_cols )
801 + ( i_col * p_sys->i_borderw ) / p_sys->i_cols
802 + ( col_inner_width - fmt_out.i_width ) / 2;
805 if( p_sys->i_position == 2 ) /* user-defined offset */
807 p_region->i_y = p_sys->pi_y_offsets[i_real_index];
809 else if( fmt_out.i_height < row_inner_height
810 || p_sys->b_ar || p_sys->b_keep )
812 /* we don't have to center the video since it takes the
813 whole rectangle area or it's taller than the rectangle */
814 p_region->i_y = p_sys->i_yoffset
815 + i_row * ( p_sys->i_height / p_sys->i_rows )
816 + ( i_row * p_sys->i_borderh ) / p_sys->i_rows;
820 /* center the video in the dedicated rectangle */
821 p_region->i_y = p_sys->i_yoffset
822 + i_row * ( p_sys->i_height / p_sys->i_rows )
823 + ( i_row * p_sys->i_borderh ) / p_sys->i_rows
824 + ( row_inner_height - fmt_out.i_height ) / 2;
827 if( p_region_prev == NULL )
829 p_spu->p_region = p_region;
833 p_region_prev->p_next = p_region;
836 p_region_prev = p_region;
839 vlc_mutex_unlock( p_sys->p_lock );
840 vlc_mutex_unlock( &p_sys->lock );
845 /*****************************************************************************
846 * Callback to update params on the fly
847 *****************************************************************************/
848 static int MosaicCallback( vlc_object_t *p_this, char const *psz_var,
849 vlc_value_t oldval, vlc_value_t newval,
852 filter_sys_t *p_sys = (filter_sys_t *) p_data;
853 if( !strcmp( psz_var, CFG_PREFIX "alpha" ) )
855 vlc_mutex_lock( &p_sys->lock );
856 msg_Dbg( p_this, "changing alpha from %d/255 to %d/255",
857 p_sys->i_alpha, newval.i_int);
858 p_sys->i_alpha = __MIN( __MAX( newval.i_int, 0 ), 255 );
859 vlc_mutex_unlock( &p_sys->lock );
861 else if( !strcmp( psz_var, CFG_PREFIX "height" ) )
863 vlc_mutex_lock( &p_sys->lock );
864 msg_Dbg( p_this, "changing height from %dpx to %dpx",
865 p_sys->i_height, newval.i_int );
866 p_sys->i_height = __MAX( newval.i_int, 0 );
867 vlc_mutex_unlock( &p_sys->lock );
869 else if( !strcmp( psz_var, CFG_PREFIX "width" ) )
871 vlc_mutex_lock( &p_sys->lock );
872 msg_Dbg( p_this, "changing width from %dpx to %dpx",
873 p_sys->i_width, newval.i_int );
874 p_sys->i_width = __MAX( newval.i_int, 0 );
875 vlc_mutex_unlock( &p_sys->lock );
877 else if( !strcmp( psz_var, CFG_PREFIX "xoffset" ) )
879 vlc_mutex_lock( &p_sys->lock );
880 msg_Dbg( p_this, "changing x offset from %dpx to %dpx",
881 p_sys->i_xoffset, newval.i_int );
882 p_sys->i_xoffset = __MAX( newval.i_int, 0 );
883 vlc_mutex_unlock( &p_sys->lock );
885 else if( !strcmp( psz_var, CFG_PREFIX "yoffset" ) )
887 vlc_mutex_lock( &p_sys->lock );
888 msg_Dbg( p_this, "changing y offset from %dpx to %dpx",
889 p_sys->i_yoffset, newval.i_int );
890 p_sys->i_yoffset = __MAX( newval.i_int, 0 );
891 vlc_mutex_unlock( &p_sys->lock );
893 else if( !strcmp( psz_var, CFG_PREFIX "align" ) )
895 int i_old = 0, i_new = 0;
896 vlc_mutex_lock( &p_sys->lock );
897 newval.i_int = __MIN( __MAX( newval.i_int, 0 ), 10 );
898 if( newval.i_int == 3 || newval.i_int == 7 )
900 while( pi_align_values[i_old] != p_sys->i_align ) i_old++;
901 while( pi_align_values[i_new] != newval.i_int ) i_new++;
902 msg_Dbg( p_this, "changing alignment from %d (%s) to %d (%s)",
903 p_sys->i_align, ppsz_align_descriptions[i_old],
904 newval.i_int, ppsz_align_descriptions[i_new] );
905 p_sys->i_align = newval.i_int;
906 vlc_mutex_unlock( &p_sys->lock );
908 else if( !strcmp( psz_var, CFG_PREFIX "borderw" ) )
910 vlc_mutex_lock( &p_sys->lock );
911 msg_Dbg( p_this, "changing border width from %dpx to %dpx",
912 p_sys->i_borderw, newval.i_int );
913 p_sys->i_borderw = __MAX( newval.i_int, 0 );
914 vlc_mutex_unlock( &p_sys->lock );
916 else if( !strcmp( psz_var, CFG_PREFIX "borderh" ) )
918 vlc_mutex_lock( &p_sys->lock );
919 msg_Dbg( p_this, "changing border height from %dpx to %dpx",
920 p_sys->i_borderh, newval.i_int );
921 p_sys->i_borderh = __MAX( newval.i_int, 0 );
922 vlc_mutex_unlock( &p_sys->lock );
924 else if( !strcmp( psz_var, CFG_PREFIX "position" ) )
926 if( newval.i_int > 1 || newval.i_int < 0 )
928 msg_Err( p_this, "Position is either 0 (auto) or 1 (fixed)" );
932 vlc_mutex_lock( &p_sys->lock );
933 msg_Dbg( p_this, "changing position method from %d (%s) to %d (%s)",
934 p_sys->i_position, ppsz_pos_descriptions[p_sys->i_position],
935 newval.i_int, ppsz_pos_descriptions[newval.i_int]);
936 p_sys->i_position = newval.i_int;
937 vlc_mutex_unlock( &p_sys->lock );
940 else if( !strcmp( psz_var, CFG_PREFIX "rows" ) )
942 vlc_mutex_lock( &p_sys->lock );
943 msg_Dbg( p_this, "changing number of rows from %d to %d",
944 p_sys->i_rows, newval.i_int );
945 p_sys->i_rows = __MAX( newval.i_int, 1 );
946 vlc_mutex_unlock( &p_sys->lock );
948 else if( !strcmp( psz_var, CFG_PREFIX "cols" ) )
950 vlc_mutex_lock( &p_sys->lock );
951 msg_Dbg( p_this, "changing number of columns from %d to %d",
952 p_sys->i_cols, newval.i_int );
953 p_sys->i_cols = __MAX( newval.i_int, 1 );
954 vlc_mutex_unlock( &p_sys->lock );
956 else if( !strcmp( psz_var, CFG_PREFIX "order" ) )
960 vlc_mutex_lock( &p_sys->lock );
961 msg_Dbg( p_this, "Changing mosaic order to %s", newval.psz_string );
963 p_sys->i_order_length = 0;
964 p_sys->ppsz_order = NULL;
965 psz_order = newval.psz_string;
967 while( p_sys->i_order_length-- )
970 printf("%d\n", p_sys->ppsz_order);
972 free( p_sys->ppsz_order );
974 if( psz_order[0] != 0 )
976 char *psz_end = NULL;
980 psz_end = strchr( psz_order, ',' );
982 p_sys->ppsz_order = realloc( p_sys->ppsz_order,
983 i_index * sizeof(char *) );
984 p_sys->ppsz_order[i_index - 1] = strndup( psz_order,
985 psz_end - psz_order );
986 psz_order = psz_end+1;
987 } while( NULL != psz_end );
988 p_sys->i_order_length = i_index;
991 vlc_mutex_unlock( &p_sys->lock );
993 else if( !strcmp( psz_var, CFG_PREFIX "offsets" ) )
995 vlc_mutex_lock( &p_sys->lock );
996 msg_Info( p_this, "Changing mosaic-offsets to %s", newval.psz_string );
998 if( p_sys->i_offsets_length != 0 )
1000 free( p_sys->pi_x_offsets );
1001 free( p_sys->pi_y_offsets );
1003 p_sys->i_offsets_length = 0;
1005 mosaic_ParseSetOffsets( (vlc_object_t *) p_this, p_sys, newval.psz_string );
1007 vlc_mutex_unlock( &p_sys->lock );
1009 else if( !strcmp( psz_var, CFG_PREFIX "keep-aspect-ratio" ) )
1011 vlc_mutex_lock( &p_sys->lock );
1014 msg_Dbg( p_this, "keeping aspect ratio" );
1019 msg_Dbg( p_this, "won't keep aspect ratio" );
1022 vlc_mutex_unlock( &p_sys->lock );