1 /*****************************************************************************
2 * extract.c : Extract RGB components
3 *****************************************************************************
4 * Copyright (C) 2000-2006 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea .t videolan d@t org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
35 #include "vlc_filter.h"
36 #include "filter_picture.h"
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Create ( vlc_object_t * );
44 static void Destroy ( vlc_object_t * );
46 static picture_t *Filter( filter_t *, picture_t * );
47 static int ExtractCallback( vlc_object_t *, char const *,
48 vlc_value_t, vlc_value_t, void * );
50 static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
51 static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
52 static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
53 static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
54 static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
55 static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
56 static void make_projection_matrix( filter_t *, int color, int *matrix );
57 static void get_custom_from_yuv420( picture_t *, picture_t *, int, int, int, int * );
58 static void get_custom_from_yuv422( picture_t *, picture_t *, int, int, int, int * );
59 static void get_custom_from_packedyuv422( picture_t *, picture_t *, int * );
62 #define COMPONENT_TEXT N_("RGB component to extract")
63 #define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
64 #define FILTER_PREFIX "extract-"
66 static int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
67 static const char *ppsz_component_descriptions[] = { "Red", "Green", "Blue" };
69 /*****************************************************************************
71 *****************************************************************************/
73 set_description( _("Extract RGB component video filter") );
74 set_shortname( _("Extract" ));
75 set_category( CAT_VIDEO );
76 set_subcategory( SUBCAT_VIDEO_VFILTER );
77 set_capability( "video filter2", 0 );
78 add_shortcut( "extract" );
80 add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
81 NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, false );
82 change_integer_list( pi_component_values, ppsz_component_descriptions, 0 );
84 set_callbacks( Create, Destroy );
87 static const char *ppsz_filter_options[] = {
91 enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
95 int *projection_matrix;
98 /*****************************************************************************
100 *****************************************************************************/
101 static int Create( vlc_object_t *p_this )
103 filter_t *p_filter = (filter_t *)p_this;
105 switch( p_filter->fmt_in.video.i_chroma )
107 case VLC_FOURCC('I','4','2','0'):
108 case VLC_FOURCC('I','Y','U','V'):
109 case VLC_FOURCC('J','4','2','0'):
110 case VLC_FOURCC('Y','V','1','2'):
112 case VLC_FOURCC('I','4','2','2'):
113 case VLC_FOURCC('J','4','2','2'):
119 /* We only want planar YUV 4:2:0 or 4:2:2 */
120 msg_Err( p_filter, "Unsupported input chroma (%4s)",
121 (char*)&(p_filter->fmt_in.video.i_chroma) );
125 /* Allocate structure */
126 p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
127 if( p_filter->p_sys == NULL )
129 msg_Err( p_filter, "out of memory" );
132 p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
133 if( !p_filter->p_sys->projection_matrix )
135 free( p_filter->p_sys );
136 msg_Err( p_filter, "out of memory" );
140 config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
143 p_filter->p_sys->i_color = var_CreateGetIntegerCommand( p_filter,
144 FILTER_PREFIX "component" );
145 var_AddCallback( p_filter, FILTER_PREFIX "component",
146 ExtractCallback, p_filter->p_sys );
148 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
149 make_projection_matrix( p_filter, p_filter->p_sys->i_color,
150 p_filter->p_sys->projection_matrix );
152 p_filter->pf_video_filter = Filter;
157 /*****************************************************************************
159 *****************************************************************************/
160 static void Destroy( vlc_object_t *p_this )
162 filter_t *p_filter = (filter_t *)p_this;
164 free( p_filter->p_sys->projection_matrix );
165 free( p_filter->p_sys );
168 /*****************************************************************************
170 *****************************************************************************/
171 static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
175 if( !p_pic ) return NULL;
177 p_outpic = p_filter->pf_vout_buffer_new( p_filter );
180 msg_Warn( p_filter, "can't get output picture" );
181 if( p_pic->pf_release )
182 p_pic->pf_release( p_pic );
186 switch( p_pic->format.i_chroma )
188 case VLC_FOURCC('I','4','2','0'):
189 case VLC_FOURCC('I','Y','U','V'):
190 case VLC_FOURCC('J','4','2','0'):
191 case VLC_FOURCC('Y','V','1','2'):
192 switch( p_filter->p_sys->i_color )
195 get_red_from_yuv420( p_pic, p_outpic,
196 Y_PLANE, U_PLANE, V_PLANE );
199 get_green_from_yuv420( p_pic, p_outpic,
200 Y_PLANE, U_PLANE, V_PLANE );
203 get_blue_from_yuv420( p_pic, p_outpic,
204 Y_PLANE, U_PLANE, V_PLANE );
207 get_custom_from_yuv420( p_pic, p_outpic,
208 Y_PLANE, U_PLANE, V_PLANE,
209 p_filter->p_sys->projection_matrix);
214 case VLC_FOURCC('I','4','2','2'):
215 case VLC_FOURCC('J','4','2','2'):
216 switch( p_filter->p_sys->i_color )
219 get_red_from_yuv422( p_pic, p_outpic,
220 Y_PLANE, U_PLANE, V_PLANE );
223 get_green_from_yuv422( p_pic, p_outpic,
224 Y_PLANE, U_PLANE, V_PLANE );
227 get_blue_from_yuv422( p_pic, p_outpic,
228 Y_PLANE, U_PLANE, V_PLANE );
231 get_custom_from_yuv422( p_pic, p_outpic,
232 Y_PLANE, U_PLANE, V_PLANE,
233 p_filter->p_sys->projection_matrix);
239 get_custom_from_packedyuv422( p_pic, p_outpic,
240 p_filter->p_sys->projection_matrix );
244 msg_Warn( p_filter, "Unsupported input chroma (%4s)",
245 (char*)&(p_pic->format.i_chroma) );
246 if( p_pic->pf_release )
247 p_pic->pf_release( p_pic );
251 p_outpic->date = p_pic->date;
252 p_outpic->b_force = p_pic->b_force;
253 p_outpic->i_nb_fields = p_pic->i_nb_fields;
254 p_outpic->b_progressive = p_pic->b_progressive;
255 p_outpic->b_top_field_first = p_pic->b_top_field_first;
257 if( p_pic->pf_release )
258 p_pic->pf_release( p_pic );
263 static inline uint8_t crop( int a )
265 if( a < 0 ) return 0;
266 if( a > 255 ) return 255;
267 else return (uint8_t)a;
273 static void mmult( double *res, double *a, double *b )
276 for( i = 0; i < 3; i++ )
278 for( j = 0; j < 3; j++ )
281 for( k = 0; k < 3; k++ )
283 res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
288 static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
290 double left_matrix[9] =
291 { 76.24500, 149.68500, 29.07000,
292 -43.02765, -84.47235, 127.50000,
293 127.50000, -106.76534, -20.73466 };
294 double right_matrix[9] =
295 { 257.00392, 0.00000, 360.31950,
296 257.00392, -88.44438, -183.53583,
297 257.00392, 455.41095, 0.00000 };
298 double red = ((double)(( 0xFF0000 & color )>>16))/255.;
299 double green = ((double)(( 0x00FF00 & color )>>8))/255.;
300 double blue = ((double)( 0x0000FF & color ))/255.;
301 double norm = sqrt( red*red + green*green + blue*blue );
305 /* XXX: We might still need to norm the rgb_matrix */
306 double rgb_matrix[9] =
307 { red*red, red*green, red*blue,
308 red*green, green*green, green*blue,
309 red*blue, green*blue, blue*blue };
313 msg_Dbg( p_filter, "red: %f", red );
314 msg_Dbg( p_filter, "green: %f", green );
315 msg_Dbg( p_filter, "blue: %f", blue );
316 mmult( result1, rgb_matrix, right_matrix );
317 mmult( result, left_matrix, result1 );
318 for( i = 0; i < 9; i++ )
320 matrix[i] = (int)result[i];
322 msg_Dbg( p_filter, "Projection matrix:" );
323 msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
324 msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
325 msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
328 static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
329 int yp, int up, int vp, int *m )
331 uint8_t *y1in = p_inpic->p[yp].p_pixels;
333 uint8_t *uin = p_inpic->p[up].p_pixels;
334 uint8_t *vin = p_inpic->p[vp].p_pixels;
336 uint8_t *y1out = p_outpic->p[yp].p_pixels;
338 uint8_t *uout = p_outpic->p[up].p_pixels;
339 uint8_t *vout = p_outpic->p[vp].p_pixels;
341 const int i_pitch = p_inpic->p[yp].i_pitch;
342 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
343 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
345 const int i_uv_pitch = p_inpic->p[up].i_pitch;
346 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
348 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
351 const uint8_t *y1end = y1in + i_visible_pitch;
352 y2in = y1in + i_pitch;
353 y2out = y1out + i_pitch;
354 while( y1in < y1end )
356 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
358 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
360 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
362 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
364 *y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
366 *y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
369 y1in += 2*i_pitch - i_visible_pitch;
370 y1out += 2*i_pitch - i_visible_pitch;
371 uin += i_uv_pitch - i_uv_visible_pitch;
372 uout += i_uv_pitch - i_uv_visible_pitch;
373 vin += i_uv_pitch - i_uv_visible_pitch;
374 vout += i_uv_pitch - i_uv_visible_pitch;
377 static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
378 int yp, int up, int vp, int *m )
380 uint8_t *y1in = p_inpic->p[yp].p_pixels;
381 uint8_t *uin = p_inpic->p[up].p_pixels;
382 uint8_t *vin = p_inpic->p[vp].p_pixels;
384 uint8_t *y1out = p_outpic->p[yp].p_pixels;
385 uint8_t *uout = p_outpic->p[up].p_pixels;
386 uint8_t *vout = p_outpic->p[vp].p_pixels;
388 const int i_pitch = p_inpic->p[yp].i_pitch;
389 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
390 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
392 const int i_uv_pitch = p_inpic->p[up].i_pitch;
393 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
395 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
398 const uint8_t *y1end = y1in + i_visible_pitch;
399 while( y1in < y1end )
401 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
403 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
405 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
407 *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
410 y1in += i_pitch - i_visible_pitch;
411 y1out += i_pitch - i_visible_pitch;
412 uin += i_uv_pitch - i_uv_visible_pitch;
413 uout += i_uv_pitch - i_uv_visible_pitch;
414 vin += i_uv_pitch - i_uv_visible_pitch;
415 vout += i_uv_pitch - i_uv_visible_pitch;
419 static void get_custom_from_packedyuv422( picture_t *p_inpic,
423 int i_y_offset, i_u_offset, i_v_offset;
424 if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
425 &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
428 uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
429 uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
430 uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
432 uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
433 uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
434 uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
436 const int i_pitch = p_inpic->p->i_pitch;
437 const int i_visible_pitch = p_inpic->p->i_visible_pitch;
438 const int i_visible_lines = p_inpic->p->i_visible_lines;
440 const uint8_t *yend = yin + i_visible_lines * i_pitch;
443 const uint8_t *ylend = yin + i_visible_pitch;
446 *uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
449 *vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
452 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
456 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
463 yin += i_pitch - i_visible_pitch;
464 yout += i_pitch - i_visible_pitch;
465 uin += i_pitch - i_visible_pitch;
466 uout += i_pitch - i_visible_pitch;
467 vin += i_pitch - i_visible_pitch;
468 vout += i_pitch - i_visible_pitch;
472 static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
473 int yp, int up, int vp )
475 uint8_t *y1in = p_inpic->p[yp].p_pixels;
477 uint8_t *vin = p_inpic->p[vp].p_pixels;
479 uint8_t *y1out = p_outpic->p[yp].p_pixels;
481 uint8_t *uout = p_outpic->p[up].p_pixels;
482 uint8_t *vout = p_outpic->p[vp].p_pixels;
484 const int i_pitch = p_inpic->p[yp].i_pitch;
485 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
486 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
488 const int i_uv_pitch = p_inpic->p[up].i_pitch;
489 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
491 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
494 const uint8_t *y1end = y1in + i_visible_pitch;
495 y2in = y1in + i_pitch;
496 y2out = y1out + i_pitch;
497 while( y1in < y1end )
504 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
506 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
508 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
510 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
512 *y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
514 *y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
517 y1in += 2*i_pitch - i_visible_pitch;
518 y1out += 2*i_pitch - i_visible_pitch;
519 uout += i_uv_pitch - i_uv_visible_pitch;
520 vin += i_uv_pitch - i_uv_visible_pitch;
521 vout += i_uv_pitch - i_uv_visible_pitch;
525 static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
526 int yp, int up, int vp )
528 uint8_t *y1in = p_inpic->p[yp].p_pixels;
530 uint8_t *uin = p_inpic->p[up].p_pixels;
531 uint8_t *vin = p_inpic->p[vp].p_pixels;
533 uint8_t *y1out = p_outpic->p[yp].p_pixels;
535 uint8_t *uout = p_outpic->p[up].p_pixels;
536 uint8_t *vout = p_outpic->p[vp].p_pixels;
538 const int i_pitch = p_inpic->p[yp].i_pitch;
539 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
540 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
542 const int i_uv_pitch = p_inpic->p[up].i_pitch;
543 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
545 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
548 const uint8_t *y1end = y1in + i_visible_pitch;
549 y2in = y1in + i_pitch;
550 y2out = y1out + i_pitch;
551 while( y1in < y1end )
558 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
560 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
562 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
564 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
566 *y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
568 *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
571 y1in += 2*i_pitch - i_visible_pitch;
572 y1out += 2*i_pitch - i_visible_pitch;
573 uin += i_uv_pitch - i_uv_visible_pitch;
574 uout += i_uv_pitch - i_uv_visible_pitch;
575 vin += i_uv_pitch - i_uv_visible_pitch;
576 vout += i_uv_pitch - i_uv_visible_pitch;
580 static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
581 int yp, int up, int vp )
583 uint8_t *y1in = p_inpic->p[yp].p_pixels;
585 uint8_t *uin = p_inpic->p[up].p_pixels;
587 uint8_t *y1out = p_outpic->p[yp].p_pixels;
589 uint8_t *uout = p_outpic->p[up].p_pixels;
590 uint8_t *vout = p_outpic->p[vp].p_pixels;
592 const int i_pitch = p_inpic->p[yp].i_pitch;
593 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
594 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
596 const int i_uv_pitch = p_inpic->p[up].i_pitch;
597 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
599 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
602 const uint8_t *y1end = y1in + i_visible_pitch;
603 y2in = y1in + i_pitch;
604 y2out = y1out + i_pitch;
605 while( y1in < y1end )
612 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
614 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
616 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
618 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
620 *y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
622 *y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
625 y1in += 2*i_pitch - i_visible_pitch;
626 y1out += 2*i_pitch - i_visible_pitch;
627 uin += i_uv_pitch - i_uv_visible_pitch;
628 uout += i_uv_pitch - i_uv_visible_pitch;
629 vout += i_uv_pitch - i_uv_visible_pitch;
633 static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
634 int yp, int up, int vp )
636 uint8_t *y1in = p_inpic->p[yp].p_pixels;
637 uint8_t *vin = p_inpic->p[vp].p_pixels;
639 uint8_t *y1out = p_outpic->p[yp].p_pixels;
640 uint8_t *uout = p_outpic->p[up].p_pixels;
641 uint8_t *vout = p_outpic->p[vp].p_pixels;
643 const int i_pitch = p_inpic->p[yp].i_pitch;
644 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
645 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
647 const int i_uv_pitch = p_inpic->p[up].i_pitch;
648 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
650 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
653 const uint8_t *y1end = y1in + i_visible_pitch;
654 while( y1in < y1end )
661 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
663 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
665 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
667 *y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
670 y1in += i_pitch - i_visible_pitch;
671 y1out += i_pitch - i_visible_pitch;
672 uout += i_uv_pitch - i_uv_visible_pitch;
673 vin += i_uv_pitch - i_uv_visible_pitch;
674 vout += i_uv_pitch - i_uv_visible_pitch;
678 static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
679 int yp, int up, int vp )
681 uint8_t *y1in = p_inpic->p[yp].p_pixels;
682 uint8_t *uin = p_inpic->p[up].p_pixels;
683 uint8_t *vin = p_inpic->p[vp].p_pixels;
685 uint8_t *y1out = p_outpic->p[yp].p_pixels;
686 uint8_t *uout = p_outpic->p[up].p_pixels;
687 uint8_t *vout = p_outpic->p[vp].p_pixels;
689 const int i_pitch = p_inpic->p[yp].i_pitch;
690 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
691 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
693 const int i_uv_pitch = p_inpic->p[up].i_pitch;
694 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
696 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
699 const uint8_t *y1end = y1in + i_visible_pitch;
700 while( y1in < y1end )
707 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
709 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
711 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
713 *y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
716 y1in += i_pitch - i_visible_pitch;
717 y1out += i_pitch - i_visible_pitch;
718 uin += i_uv_pitch - i_uv_visible_pitch;
719 uout += i_uv_pitch - i_uv_visible_pitch;
720 vin += i_uv_pitch - i_uv_visible_pitch;
721 vout += i_uv_pitch - i_uv_visible_pitch;
725 static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
726 int yp, int up, int vp )
728 uint8_t *y1in = p_inpic->p[yp].p_pixels;
729 uint8_t *uin = p_inpic->p[up].p_pixels;
731 uint8_t *y1out = p_outpic->p[yp].p_pixels;
732 uint8_t *uout = p_outpic->p[up].p_pixels;
733 uint8_t *vout = p_outpic->p[vp].p_pixels;
735 const int i_pitch = p_inpic->p[yp].i_pitch;
736 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
737 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
739 const int i_uv_pitch = p_inpic->p[up].i_pitch;
740 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
742 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
745 const uint8_t *y1end = y1in + i_visible_pitch;
746 while( y1in < y1end )
753 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
755 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
757 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
759 *y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
762 y1in += i_pitch - i_visible_pitch;
763 y1out += i_pitch - i_visible_pitch;
764 uin += i_uv_pitch - i_uv_visible_pitch;
765 uout += i_uv_pitch - i_uv_visible_pitch;
766 vout += i_uv_pitch - i_uv_visible_pitch;
770 static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
771 vlc_value_t oldval, vlc_value_t newval,
775 filter_sys_t *p_sys = (filter_sys_t *)p_data;
777 if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
779 p_sys->i_color = newval.i_int;
780 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
781 make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
782 p_sys->projection_matrix );
786 msg_Warn( p_this, "Unknown callback command." );