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 #define ROWS_TEXT N_("Number of rows")
126 #define ROWS_LONGTEXT N_("Number of image rows in the mosaic (only used if "\
127 "positionning method is set to \"fixed\")." )
128 #define COLS_TEXT N_("Number of columns")
129 #define COLS_LONGTEXT N_("Number of image columns in the mosaic (only used if "\
130 "positionning method is set to \"fixed\"." )
132 #define AR_TEXT N_("Keep aspect ratio")
133 #define AR_LONGTEXT N_("Keep the original aspect ratio when resizing " \
135 #define KEEP_TEXT N_("Keep original size")
136 #define KEEP_LONGTEXT N_("Keep the original size of mosaic elements." )
138 #define ORDER_TEXT N_("Elements order" )
139 #define ORDER_LONGTEXT N_( "You can enforce the order of the elements on " \
140 "the mosaic. You must give a comma-separated list of picture ID(s)." \
141 "These IDs are assigned in the \"mosaic-bridge\" module." )
143 #define OFFSETS_TEXT N_("Offsets in order" )
144 #define OFFSETS_LONGTEXT N_( "You can enforce the (x,y) offsets of the elements on " \
145 "the mosaic (only used if positioning method is set to \"offsets\"). You " \
146 "must give a comma-separated list of coordinates (eg: 10,10,150,10)." )
148 #define DELAY_TEXT N_("Delay")
149 #define DELAY_LONGTEXT N_("Pictures coming from the mosaic elements " \
150 "will be delayed according to this value (in milliseconds). For high " \
151 "values you will need to raise caching at input.")
153 #define BLUESCREEN_TEXT N_("Bluescreen" )
154 #define BLUESCREEN_LONGTEXT N_( "This effect, also known as \"greenscreen\" "\
155 "or \"chroma key\" blends the \"blue parts\" of the foreground images of " \
156 "the mosaic on the background (like wheather forecast presenters). You " \
157 "can choose the \"key\" color for blending (blue by default)." )
159 #define BLUESCREENU_TEXT N_("Bluescreen U value")
160 #define BLUESCREENU_LONGTEXT N_("\"U\" value for the bluescreen key color " \
161 "(in YUV values). From 0 to 255. Defaults to 120 for blue." )
162 #define BLUESCREENV_TEXT N_("Bluescreen V value")
163 #define BLUESCREENV_LONGTEXT N_("\"V\" value for the bluescreen key color " \
164 "(in YUV values). From 0 to 255. Defaults to 90 for blue." )
165 #define BLUESCREENUTOL_TEXT N_("Bluescreen U tolerance")
166 #define BLUESCREENUTOL_LONGTEXT N_("Tolerance of the bluescreen blender " \
167 "on color variations for the U plane. A value between 10 and 20 " \
169 #define BLUESCREENVTOL_TEXT N_("Bluescreen V tolerance")
170 #define BLUESCREENVTOL_LONGTEXT N_("Tolerance of the bluescreen blender " \
171 "on color variations for the V plane. A value between 10 and 20 " \
174 static int pi_pos_values[] = { 0, 1, 2 };
175 static const char * ppsz_pos_descriptions[] =
176 { N_("auto"), N_("fixed"), N_("offsets") };
178 static int pi_align_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
179 static const char *ppsz_align_descriptions[] =
180 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
181 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
183 #define CFG_PREFIX "mosaic-"
186 set_description( _("Mosaic video sub filter") );
187 set_shortname( _("Mosaic") );
188 set_category( CAT_VIDEO );
189 set_subcategory( SUBCAT_VIDEO_SUBPIC);
190 set_capability( "sub filter", 0 );
191 set_callbacks( CreateFilter, DestroyFilter );
193 add_integer( CFG_PREFIX "alpha", 255, NULL, ALPHA_TEXT, ALPHA_LONGTEXT, VLC_FALSE );
194 add_integer( CFG_PREFIX "height", 100, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, VLC_FALSE );
195 add_integer( CFG_PREFIX "width", 100, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_FALSE );
196 add_integer( CFG_PREFIX "align", 5, NULL, ALIGN_TEXT, ALIGN_LONGTEXT, VLC_TRUE);
197 change_integer_list( pi_align_values, ppsz_align_descriptions, 0 );
198 add_integer( CFG_PREFIX "xoffset", 0, NULL, XOFFSET_TEXT, XOFFSET_LONGTEXT, VLC_TRUE );
199 add_integer( CFG_PREFIX "yoffset", 0, NULL, YOFFSET_TEXT, YOFFSET_LONGTEXT, VLC_TRUE );
200 add_integer( CFG_PREFIX "borderw", 0, NULL, BORDERW_TEXT, BORDERW_LONGTEXT, VLC_TRUE );
201 add_deprecated( CFG_PREFIX "vborder", VLC_FALSE );
202 add_integer( CFG_PREFIX "borderh", 0, NULL, BORDERH_TEXT, BORDERH_LONGTEXT, VLC_TRUE );
203 add_deprecated( CFG_PREFIX "hborder", VLC_FALSE );
205 add_integer( CFG_PREFIX "position", 0, NULL, POS_TEXT, POS_LONGTEXT, VLC_FALSE );
206 change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
207 add_integer( CFG_PREFIX "rows", 2, NULL, ROWS_TEXT, ROWS_LONGTEXT, VLC_FALSE );
208 add_integer( CFG_PREFIX "cols", 2, NULL, COLS_TEXT, COLS_LONGTEXT, VLC_FALSE );
209 add_bool( CFG_PREFIX "keep-aspect-ratio", 0, NULL, AR_TEXT, AR_LONGTEXT, VLC_FALSE );
210 add_bool( CFG_PREFIX "keep-picture", 0, NULL, KEEP_TEXT, KEEP_LONGTEXT, VLC_FALSE );
211 add_string( CFG_PREFIX "order", "", NULL, ORDER_TEXT, ORDER_LONGTEXT, VLC_FALSE );
212 add_string( CFG_PREFIX "offsets", "", NULL, OFFSETS_TEXT, OFFSETS_LONGTEXT, VLC_FALSE );
214 add_integer( CFG_PREFIX "delay", 0, NULL, DELAY_TEXT, DELAY_LONGTEXT,
217 add_bool( CFG_PREFIX "bs", 0, NULL, BLUESCREEN_TEXT,
218 BLUESCREEN_LONGTEXT, VLC_FALSE );
219 add_integer( CFG_PREFIX "bsu", 120, NULL, BLUESCREENU_TEXT,
220 BLUESCREENU_LONGTEXT, VLC_FALSE );
221 add_integer( CFG_PREFIX "bsv", 90, NULL, BLUESCREENV_TEXT,
222 BLUESCREENV_LONGTEXT, VLC_FALSE );
223 add_integer( CFG_PREFIX "bsut", 17, NULL, BLUESCREENUTOL_TEXT,
224 BLUESCREENUTOL_LONGTEXT, VLC_FALSE );
225 add_integer( CFG_PREFIX "bsvt", 17, NULL, BLUESCREENVTOL_TEXT,
226 BLUESCREENVTOL_LONGTEXT, VLC_FALSE );
228 var_Create( p_module->p_libvlc_global, "mosaic-lock", VLC_VAR_MUTEX );
231 static const char *ppsz_filter_options[] = {
232 "alpha", "height", "width", "align", "xoffset", "yoffset",
233 "borderw", "borderh", "position", "rows", "cols",
234 "keep-aspect-ratio", "keep-picture", "order", "offsets",
235 "delay", "bs", "bsu", "bsv", "bsut", "bsvt", NULL
238 /*****************************************************************************
239 * mosaic_ParseSetOffsets:
240 * parse the "--mosaic-offsets x1,y1,x2,y2,x3,y3" parameter
241 * and set the corresponding struct filter_sys_t entries.
242 *****************************************************************************/
243 static void mosaic_ParseSetOffsets( vlc_object_t *p_this, filter_sys_t *p_sys, char *psz_offsets )
245 if( psz_offsets[0] != 0 )
247 char *psz_end = NULL;
253 p_sys->pi_x_offsets = realloc( p_sys->pi_x_offsets, i_index * sizeof(int) );
254 p_sys->pi_x_offsets[i_index - 1] = atoi( psz_offsets );
255 psz_end = strchr( psz_offsets, ',' );
256 psz_offsets = psz_end + 1;
258 p_sys->pi_y_offsets = realloc( p_sys->pi_y_offsets, i_index * sizeof(int) );
259 p_sys->pi_y_offsets[i_index - 1] = atoi( psz_offsets );
260 psz_end = strchr( psz_offsets, ',' );
261 psz_offsets = psz_end + 1;
263 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] );
265 } while( NULL != psz_end );
266 p_sys->i_offsets_length = i_index;
270 /*****************************************************************************
271 * CreateFiler: allocate mosaic video filter
272 *****************************************************************************/
273 static int CreateFilter( vlc_object_t *p_this )
275 filter_t *p_filter = (filter_t *)p_this;
277 libvlc_global_data_t *p_libvlc_global = p_filter->p_libvlc_global;
283 /* The mosaic thread is more important than the decoder threads */
284 vlc_thread_set_priority( p_this, VLC_THREAD_PRIORITY_OUTPUT );
286 /* Allocate structure */
287 p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
290 msg_Err( p_filter, "out of memory" );
294 p_filter->pf_sub_filter = Filter;
297 vlc_mutex_init( p_filter, &p_sys->lock );
298 vlc_mutex_lock( &p_sys->lock );
300 var_Get( p_libvlc_global, "mosaic-lock", &val );
301 p_sys->p_lock = val.p_address;
303 config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
306 #define GET_VAR( name, min, max ) \
307 p_sys->i_##name = __MIN( max, __MAX( min, \
308 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX #name ) ) ); \
309 var_AddCallback( p_filter, CFG_PREFIX #name, MosaicCallback, p_sys );
311 GET_VAR( width, 0, INT_MAX );
312 GET_VAR( height, 0, INT_MAX );
313 GET_VAR( xoffset, 0, INT_MAX );
314 GET_VAR( yoffset, 0, INT_MAX );
316 GET_VAR( align, 0, 10 );
317 if( p_sys->i_align == 3 || p_sys->i_align == 7 )
320 GET_VAR( borderw, 0, INT_MAX );
321 GET_VAR( borderh, 0, INT_MAX );
322 GET_VAR( rows, 1, INT_MAX );
323 GET_VAR( cols, 1, INT_MAX );
324 GET_VAR( alpha, 0, 255 );
325 GET_VAR( position, 0, 2 );
326 GET_VAR( delay, 100, INT_MAX );
327 p_sys->i_delay *= 1000;
329 p_sys->b_ar = var_CreateGetBoolCommand( p_filter,
330 CFG_PREFIX "keep-aspect-ratio" );
331 var_AddCallback( p_filter, CFG_PREFIX "keep-aspect-ratio", MosaicCallback,
334 p_sys->b_keep = var_CreateGetBool( p_filter, CFG_PREFIX "keep-picture" );
335 if ( !p_sys->b_keep )
337 p_sys->p_image = image_HandlerCreate( p_filter );
340 p_sys->i_order_length = 0;
341 p_sys->ppsz_order = NULL;
342 psz_order = var_CreateGetStringCommand( p_filter, CFG_PREFIX "order" );
343 var_AddCallback( p_filter, CFG_PREFIX "order", MosaicCallback, p_sys );
345 if( psz_order[0] != 0 )
347 char *psz_end = NULL;
351 psz_end = strchr( psz_order, ',' );
353 p_sys->ppsz_order = realloc( p_sys->ppsz_order,
354 i_index * sizeof(char *) );
355 p_sys->ppsz_order[i_index - 1] = strndup( psz_order,
356 psz_end - psz_order );
357 psz_order = psz_end+1;
358 } while( NULL != psz_end );
359 p_sys->i_order_length = i_index;
362 /* Manage specific offsets for substreams */
363 psz_offsets = var_CreateGetStringCommand( p_filter, CFG_PREFIX "offsets" );
364 p_sys->i_offsets_length = 0;
365 p_sys->pi_x_offsets = NULL;
366 p_sys->pi_y_offsets = NULL;
367 mosaic_ParseSetOffsets( (vlc_object_t *) p_filter, p_sys, psz_offsets );
368 var_AddCallback( p_filter, CFG_PREFIX "offsets", MosaicCallback, p_sys );
370 /* Bluescreen specific stuff */
371 GET_VAR( bsu, 0x00, 0xff );
372 GET_VAR( bsv, 0x00, 0xff );
373 GET_VAR( bsut, 0x00, 0xff );
374 GET_VAR( bsvt, 0x00, 0xff );
375 p_sys->b_bs = var_CreateGetBoolCommand( p_filter, CFG_PREFIX "bs" );
376 var_AddCallback( p_filter, CFG_PREFIX "bs", MosaicCallback, p_sys );
377 if( p_sys->b_bs && p_sys->b_keep )
379 msg_Warn( p_filter, CFG_PREFIX "keep-picture needs to be disabled for"
380 " bluescreen to work" );
383 vlc_mutex_unlock( &p_sys->lock );
388 /*****************************************************************************
389 * DestroyFilter: destroy mosaic video filter
390 *****************************************************************************/
391 static void DestroyFilter( vlc_object_t *p_this )
393 filter_t *p_filter = (filter_t*)p_this;
394 filter_sys_t *p_sys = p_filter->p_sys;
395 libvlc_global_data_t *p_libvlc_global = p_filter->p_libvlc_global;
398 vlc_mutex_lock( &p_sys->lock );
402 image_HandlerDelete( p_sys->p_image );
405 if( p_sys->i_order_length )
407 for( i_index = 0; i_index < p_sys->i_order_length; i_index++ )
409 free( p_sys->ppsz_order[i_index] );
411 free( p_sys->ppsz_order );
413 if( p_sys->i_offsets_length )
415 free( p_sys->pi_x_offsets );
416 free( p_sys->pi_y_offsets );
417 p_sys->i_offsets_length = 0;
419 var_Destroy( p_libvlc_global, CFG_PREFIX "offsets" );
420 var_Destroy( p_libvlc_global, CFG_PREFIX "alpha" );
421 var_Destroy( p_libvlc_global, CFG_PREFIX "height" );
422 var_Destroy( p_libvlc_global, CFG_PREFIX "align" );
423 var_Destroy( p_libvlc_global, CFG_PREFIX "width" );
424 var_Destroy( p_libvlc_global, CFG_PREFIX "xoffset" );
425 var_Destroy( p_libvlc_global, CFG_PREFIX "yoffset" );
426 var_Destroy( p_libvlc_global, CFG_PREFIX "vborder" );
427 var_Destroy( p_libvlc_global, CFG_PREFIX "hborder" );
428 var_Destroy( p_libvlc_global, CFG_PREFIX "position" );
429 var_Destroy( p_libvlc_global, CFG_PREFIX "rows" );
430 var_Destroy( p_libvlc_global, CFG_PREFIX "cols" );
431 var_Destroy( p_libvlc_global, CFG_PREFIX "keep-aspect-ratio" );
433 var_Destroy( p_libvlc_global, CFG_PREFIX "bsu" );
434 var_Destroy( p_libvlc_global, CFG_PREFIX "bsv" );
435 var_Destroy( p_libvlc_global, CFG_PREFIX "bsut" );
436 var_Destroy( p_libvlc_global, CFG_PREFIX "bsvt" );
437 var_Destroy( p_libvlc_global, CFG_PREFIX "bs" );
439 if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
440 vlc_mutex_unlock( &p_sys->lock );
441 vlc_mutex_destroy( &p_sys->lock );
445 /*****************************************************************************
446 * MosaicReleasePicture : Hack to avoid picture duplication
447 *****************************************************************************/
448 static void MosaicReleasePicture( picture_t *p_picture )
450 picture_t *p_original_pic = (picture_t *)p_picture->p_sys;
452 p_original_pic->pf_release( p_original_pic );
455 /*****************************************************************************
457 *****************************************************************************/
458 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
460 filter_sys_t *p_sys = p_filter->p_sys;
465 int i_index, i_real_index, i_row, i_col;
466 int i_greatest_real_index_used = p_sys->i_order_length - 1;
468 unsigned int col_inner_width, row_inner_height;
470 subpicture_region_t *p_region;
471 subpicture_region_t *p_region_prev = NULL;
473 /* Allocate the subpicture internal data. */
474 p_spu = p_filter->pf_sub_buffer_new( p_filter );
480 /* Initialize subpicture */
481 p_spu->i_channel = 0;
482 p_spu->i_start = date;
484 p_spu->b_ephemer = VLC_TRUE;
485 p_spu->i_alpha = p_sys->i_alpha;
486 p_spu->i_flags = p_sys->i_align;
487 p_spu->b_absolute = VLC_FALSE;
489 vlc_mutex_lock( &p_sys->lock );
490 vlc_mutex_lock( p_sys->p_lock );
492 p_bridge = GetBridge( p_filter );
493 if ( p_bridge == NULL )
495 vlc_mutex_unlock( p_sys->p_lock );
496 vlc_mutex_unlock( &p_sys->lock );
500 if ( p_sys->i_position == 2 ) /* user-defined offsets for positioning */
502 /* If we have either too much or not enough offsets, fall-back
503 * to automatic positioning. */
504 if ( p_sys->i_offsets_length != p_sys->i_order_length )
506 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 );
507 p_sys->i_position = 0;
511 if ( p_sys->i_position == 0 ) /* use automatic positioning */
513 int i_numpics = p_sys->i_order_length; /* keep slots and all */
514 for ( i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
516 bridged_es_t *p_es = p_bridge->pp_es[i_index];
517 if ( !p_es->b_empty )
520 if( p_sys->i_order_length && p_es->psz_id != 0 )
522 /* We also want to leave slots for images given in
523 * mosaic-order that are not available in p_vout_picture */
525 for( i = 0; i < p_sys->i_order_length ; i++ )
527 if( !strcmp( p_sys->ppsz_order[i], p_es->psz_id ) )
537 p_sys->i_rows = ((int)ceil(sqrt( (float)i_numpics )));
538 p_sys->i_cols = ( i_numpics % p_sys->i_rows == 0 ?
539 i_numpics / p_sys->i_rows :
540 i_numpics / p_sys->i_rows + 1 );
543 col_inner_width = ( ( p_sys->i_width - ( p_sys->i_cols - 1 )
544 * p_sys->i_borderw ) / p_sys->i_cols );
545 row_inner_height = ( ( p_sys->i_height - ( p_sys->i_rows - 1 )
546 * p_sys->i_borderh ) / p_sys->i_rows );
550 for ( i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
552 bridged_es_t *p_es = p_bridge->pp_es[i_index];
553 video_format_t fmt_in = {0}, fmt_out = {0};
554 picture_t *p_converted;
559 while ( p_es->p_picture != NULL
560 && p_es->p_picture->date + p_sys->i_delay < date )
562 if ( p_es->p_picture->p_next != NULL )
564 picture_t *p_next = p_es->p_picture->p_next;
565 p_es->p_picture->pf_release( p_es->p_picture );
566 p_es->p_picture = p_next;
568 else if ( p_es->p_picture->date + p_sys->i_delay + BLANK_DELAY <
572 p_es->p_picture->pf_release( p_es->p_picture );
573 p_es->p_picture = NULL;
574 p_es->pp_last = &p_es->p_picture;
579 msg_Dbg( p_filter, "too late picture for %s (" I64Fd ")",
581 date - p_es->p_picture->date - p_sys->i_delay );
586 if ( p_es->p_picture == NULL )
589 if ( p_sys->i_order_length == 0 )
596 for ( i = 0; i <= p_sys->i_order_length; i++ )
598 if ( i == p_sys->i_order_length ) break;
599 if ( strcmp( p_es->psz_id, p_sys->ppsz_order[i] ) == 0 )
605 if ( i == p_sys->i_order_length )
606 i_real_index = ++i_greatest_real_index_used;
608 i_row = ( i_real_index / p_sys->i_cols ) % p_sys->i_rows;
609 i_col = i_real_index % p_sys->i_cols ;
611 if ( !p_sys->b_keep )
613 /* Convert the images */
614 fmt_in.i_chroma = p_es->p_picture->format.i_chroma;
615 fmt_in.i_height = p_es->p_picture->format.i_height;
616 fmt_in.i_width = p_es->p_picture->format.i_width;
618 fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
619 fmt_out.i_width = col_inner_width;
620 fmt_out.i_height = row_inner_height;
622 if( p_sys->b_ar ) /* keep aspect ratio */
624 if( (float)fmt_out.i_width / (float)fmt_out.i_height
625 > (float)fmt_in.i_width / (float)fmt_in.i_height )
627 fmt_out.i_width = ( fmt_out.i_height * fmt_in.i_width )
632 fmt_out.i_height = ( fmt_out.i_width * fmt_in.i_height )
637 fmt_out.i_visible_width = fmt_out.i_width;
638 fmt_out.i_visible_height = fmt_out.i_height;
640 p_converted = image_Convert( p_sys->p_image, p_es->p_picture,
645 "image resizing and chroma conversion failed" );
649 /* Bluescreen stuff */
653 int i_lines = p_converted->p[ A_PLANE ].i_lines;
654 int i_pitch = p_converted->p[ A_PLANE ].i_pitch;
655 uint8_t *p_a = p_converted->p[ A_PLANE ].p_pixels;
656 uint8_t *p_at = malloc( i_lines * i_pitch * sizeof( uint8_t ) );
657 uint8_t *p_u = p_converted->p[ U_PLANE ].p_pixels;
658 uint8_t *p_v = p_converted->p[ V_PLANE ].p_pixels;
659 uint8_t umin, umax, vmin, vmax;
660 umin = p_sys->i_bsu - p_sys->i_bsut >= 0x00 ?
661 p_sys->i_bsu - p_sys->i_bsut : 0x00;
662 umax = p_sys->i_bsu + p_sys->i_bsut <= 0xff ?
663 p_sys->i_bsu + p_sys->i_bsut : 0xff;
664 vmin = p_sys->i_bsv - p_sys->i_bsvt >= 0x00 ?
665 p_sys->i_bsv - p_sys->i_bsvt : 0x00;
666 vmax = p_sys->i_bsv + p_sys->i_bsvt <= 0xff ?
667 p_sys->i_bsv + p_sys->i_bsvt : 0xff;
669 for( i = 0; i < i_lines*i_pitch; i++ )
683 /* Gaussian convolution to make it look cleaner */
684 p_filter->p_libvlc->pf_memset( p_a, 0, 2 * i_pitch );
685 for( i = 2; i < i_lines - 2; i++ )
687 p_a[i*i_pitch] = 0x00;
688 p_a[i*i_pitch+1] = 0x00;
689 for( j = 2; j < i_pitch - 2; j ++ )
691 p_a[i*i_pitch+j] = (uint8_t)((
693 ( p_at[(i-2)*i_pitch+j-2]<<1 )
694 + ( p_at[(i-2)*i_pitch+j-1]<<2 )
695 + ( p_at[(i-2)*i_pitch+j]<<2 )
696 + ( p_at[(i-2)*i_pitch+j+1]<<2 )
697 + ( p_at[(i-2)*i_pitch+j+2]<<1 )
699 + ( p_at[(i-1)*i_pitch+j-1]<<3 )
700 + ( p_at[(i-1)*i_pitch+j-2]<<2 )
701 + ( p_at[(i-1)*i_pitch+j]*12 )
702 + ( p_at[(i-1)*i_pitch+j+1]<<3 )
703 + ( p_at[(i-1)*i_pitch+j+2]<<2 )
705 + ( p_at[i*i_pitch+j-2]<<2 )
706 + ( p_at[i*i_pitch+j-1]*12 )
707 + ( p_at[i*i_pitch+j]<<4 )
708 + ( p_at[i*i_pitch+j+1]*12 )
709 + ( p_at[i*i_pitch+j+2]<<2 )
711 + ( p_at[(i+1)*i_pitch+j-2]<<2 )
712 + ( p_at[(i+1)*i_pitch+j-1]<<3 )
713 + ( p_at[(i+1)*i_pitch+j]*12 )
714 + ( p_at[(i+1)*i_pitch+j+1]<<3 )
715 + ( p_at[(i+1)*i_pitch+j+2]<<2 )
717 + ( p_at[(i+2)*i_pitch+j-2]<<1 )
718 + ( p_at[(i+2)*i_pitch+j-1]<<2 )
719 + ( p_at[(i+2)*i_pitch+j]<<2 )
720 + ( p_at[(i+2)*i_pitch+j+1]<<2 )
721 + ( p_at[(i+2)*i_pitch+j+2]<<1 )
723 if( p_a[i*i_pitch+j] < 0xbf ) p_a[i*i_pitch+j] = 0x00;
731 p_converted = p_es->p_picture;
732 p_converted->i_refcount++;
733 fmt_in.i_width = fmt_out.i_width = p_converted->format.i_width;
734 fmt_in.i_height = fmt_out.i_height = p_converted->format.i_height;
735 fmt_in.i_chroma = fmt_out.i_chroma = p_converted->format.i_chroma;
736 fmt_out.i_visible_width = fmt_out.i_width;
737 fmt_out.i_visible_height = fmt_out.i_height;
740 p_region = p_spu->pf_make_region( VLC_OBJECT(p_filter), &fmt_out,
744 msg_Err( p_filter, "cannot allocate SPU region" );
745 p_filter->pf_sub_buffer_del( p_filter, p_spu );
746 vlc_mutex_unlock( &p_sys->lock );
747 vlc_mutex_unlock( p_sys->p_lock );
751 /* HACK ALERT : let's fix the pointers to avoid picture duplication.
752 * This is necessary because p_region->picture is not a pointer
753 * as it ought to be. */
760 /* Keep a pointer to the original picture (and its refcount...). */
761 p_region->picture.p_sys = (picture_sys_t *)p_converted;
762 p_region->picture.pf_release = MosaicReleasePicture;
765 if( p_sys->i_position == 2 ) /* user-defined offset */
767 p_region->i_x = p_sys->pi_x_offsets[i_real_index];
769 else if( fmt_out.i_width > col_inner_width ||
770 p_sys->b_ar || p_sys->b_keep )
772 /* we don't have to center the video since it takes the
773 whole rectangle area or it's larger than the rectangle */
774 p_region->i_x = p_sys->i_xoffset
775 + i_col * ( p_sys->i_width / p_sys->i_cols )
776 + ( i_col * p_sys->i_borderw ) / p_sys->i_cols;
780 /* center the video in the dedicated rectangle */
781 p_region->i_x = p_sys->i_xoffset
782 + i_col * ( p_sys->i_width / p_sys->i_cols )
783 + ( i_col * p_sys->i_borderw ) / p_sys->i_cols
784 + ( col_inner_width - fmt_out.i_width ) / 2;
787 if( p_sys->i_position == 2 ) /* user-defined offset */
789 p_region->i_y = p_sys->pi_y_offsets[i_real_index];
791 else if( fmt_out.i_height < row_inner_height
792 || p_sys->b_ar || p_sys->b_keep )
794 /* we don't have to center the video since it takes the
795 whole rectangle area or it's taller than the rectangle */
796 p_region->i_y = p_sys->i_yoffset
797 + i_row * ( p_sys->i_height / p_sys->i_rows )
798 + ( i_row * p_sys->i_borderh ) / p_sys->i_rows;
802 /* center the video in the dedicated rectangle */
803 p_region->i_y = p_sys->i_yoffset
804 + i_row * ( p_sys->i_height / p_sys->i_rows )
805 + ( i_row * p_sys->i_borderh ) / p_sys->i_rows
806 + ( row_inner_height - fmt_out.i_height ) / 2;
809 if( p_region_prev == NULL )
811 p_spu->p_region = p_region;
815 p_region_prev->p_next = p_region;
818 p_region_prev = p_region;
821 vlc_mutex_unlock( p_sys->p_lock );
822 vlc_mutex_unlock( &p_sys->lock );
827 /*****************************************************************************
828 * Callback to update params on the fly
829 *****************************************************************************/
830 static int MosaicCallback( vlc_object_t *p_this, char const *psz_var,
831 vlc_value_t oldval, vlc_value_t newval,
834 filter_sys_t *p_sys = (filter_sys_t *) p_data;
835 if( !strcmp( psz_var, CFG_PREFIX "alpha" ) )
837 vlc_mutex_lock( &p_sys->lock );
838 msg_Dbg( p_this, "changing alpha from %d/255 to %d/255",
839 p_sys->i_alpha, newval.i_int);
840 p_sys->i_alpha = __MIN( __MAX( newval.i_int, 0 ), 255 );
841 vlc_mutex_unlock( &p_sys->lock );
843 else if( !strcmp( psz_var, CFG_PREFIX "height" ) )
845 vlc_mutex_lock( &p_sys->lock );
846 msg_Dbg( p_this, "changing height from %dpx to %dpx",
847 p_sys->i_height, newval.i_int );
848 p_sys->i_height = __MAX( newval.i_int, 0 );
849 vlc_mutex_unlock( &p_sys->lock );
851 else if( !strcmp( psz_var, CFG_PREFIX "width" ) )
853 vlc_mutex_lock( &p_sys->lock );
854 msg_Dbg( p_this, "changing width from %dpx to %dpx",
855 p_sys->i_width, newval.i_int );
856 p_sys->i_width = __MAX( newval.i_int, 0 );
857 vlc_mutex_unlock( &p_sys->lock );
859 else if( !strcmp( psz_var, CFG_PREFIX "xoffset" ) )
861 vlc_mutex_lock( &p_sys->lock );
862 msg_Dbg( p_this, "changing x offset from %dpx to %dpx",
863 p_sys->i_xoffset, newval.i_int );
864 p_sys->i_xoffset = __MAX( newval.i_int, 0 );
865 vlc_mutex_unlock( &p_sys->lock );
867 else if( !strcmp( psz_var, CFG_PREFIX "yoffset" ) )
869 vlc_mutex_lock( &p_sys->lock );
870 msg_Dbg( p_this, "changing y offset from %dpx to %dpx",
871 p_sys->i_yoffset, newval.i_int );
872 p_sys->i_yoffset = __MAX( newval.i_int, 0 );
873 vlc_mutex_unlock( &p_sys->lock );
875 else if( !strcmp( psz_var, CFG_PREFIX "align" ) )
877 int i_old = 0, i_new = 0;
878 vlc_mutex_lock( &p_sys->lock );
879 newval.i_int = __MIN( __MAX( newval.i_int, 0 ), 10 );
880 if( newval.i_int == 3 || newval.i_int == 7 )
882 while( pi_align_values[i_old] != p_sys->i_align ) i_old++;
883 while( pi_align_values[i_new] != newval.i_int ) i_new++;
884 msg_Dbg( p_this, "changing alignment from %d (%s) to %d (%s)",
885 p_sys->i_align, ppsz_align_descriptions[i_old],
886 newval.i_int, ppsz_align_descriptions[i_new] );
887 p_sys->i_align = newval.i_int;
888 vlc_mutex_unlock( &p_sys->lock );
890 else if( !strcmp( psz_var, CFG_PREFIX "borderw" ) )
892 vlc_mutex_lock( &p_sys->lock );
893 msg_Dbg( p_this, "changing border width from %dpx to %dpx",
894 p_sys->i_borderw, newval.i_int );
895 p_sys->i_borderw = __MAX( newval.i_int, 0 );
896 vlc_mutex_unlock( &p_sys->lock );
898 else if( !strcmp( psz_var, CFG_PREFIX "borderh" ) )
900 vlc_mutex_lock( &p_sys->lock );
901 msg_Dbg( p_this, "changing border height from %dpx to %dpx",
902 p_sys->i_borderh, newval.i_int );
903 p_sys->i_borderh = __MAX( newval.i_int, 0 );
904 vlc_mutex_unlock( &p_sys->lock );
906 else if( !strcmp( psz_var, CFG_PREFIX "position" ) )
908 if( newval.i_int > 1 || newval.i_int < 0 )
910 msg_Err( p_this, "Position is either 0 (auto) or 1 (fixed)" );
914 vlc_mutex_lock( &p_sys->lock );
915 msg_Dbg( p_this, "changing position method from %d (%s) to %d (%s)",
916 p_sys->i_position, ppsz_pos_descriptions[p_sys->i_position],
917 newval.i_int, ppsz_pos_descriptions[newval.i_int]);
918 p_sys->i_position = newval.i_int;
919 vlc_mutex_unlock( &p_sys->lock );
922 else if( !strcmp( psz_var, CFG_PREFIX "rows" ) )
924 vlc_mutex_lock( &p_sys->lock );
925 msg_Dbg( p_this, "changing number of rows from %d to %d",
926 p_sys->i_rows, newval.i_int );
927 p_sys->i_rows = __MAX( newval.i_int, 1 );
928 vlc_mutex_unlock( &p_sys->lock );
930 else if( !strcmp( psz_var, CFG_PREFIX "cols" ) )
932 vlc_mutex_lock( &p_sys->lock );
933 msg_Dbg( p_this, "changing number of columns from %d to %d",
934 p_sys->i_cols, newval.i_int );
935 p_sys->i_cols = __MAX( newval.i_int, 1 );
936 vlc_mutex_unlock( &p_sys->lock );
938 else if( !strcmp( psz_var, CFG_PREFIX "order" ) )
942 vlc_mutex_lock( &p_sys->lock );
943 msg_Dbg( p_this, "Changing mosaic order to %s", newval.psz_string );
945 p_sys->i_order_length = 0;
946 p_sys->ppsz_order = NULL;
947 psz_order = newval.psz_string;
949 while( p_sys->i_order_length-- )
952 printf("%d\n", p_sys->ppsz_order);
954 free( p_sys->ppsz_order );
956 if( psz_order[0] != 0 )
958 char *psz_end = NULL;
962 psz_end = strchr( psz_order, ',' );
964 p_sys->ppsz_order = realloc( p_sys->ppsz_order,
965 i_index * sizeof(char *) );
966 p_sys->ppsz_order[i_index - 1] = strndup( psz_order,
967 psz_end - psz_order );
968 psz_order = psz_end+1;
969 } while( NULL != psz_end );
970 p_sys->i_order_length = i_index;
973 vlc_mutex_unlock( &p_sys->lock );
975 else if( !strcmp( psz_var, CFG_PREFIX "offsets" ) )
977 vlc_mutex_lock( &p_sys->lock );
978 msg_Info( p_this, "Changing mosaic-offsets to %s", newval.psz_string );
980 if( p_sys->i_offsets_length != 0 )
982 free( p_sys->pi_x_offsets );
983 free( p_sys->pi_y_offsets );
985 p_sys->i_offsets_length = 0;
987 mosaic_ParseSetOffsets( (vlc_object_t *) p_this, p_sys, newval.psz_string );
989 vlc_mutex_unlock( &p_sys->lock );
991 else if( !strcmp( psz_var, CFG_PREFIX "keep-aspect-ratio" ) )
993 vlc_mutex_lock( &p_sys->lock );
996 msg_Dbg( p_this, "keeping aspect ratio" );
1001 msg_Dbg( p_this, "won't keep aspect ratio" );
1004 vlc_mutex_unlock( &p_sys->lock );