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 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
36 #include "vlc_filter.h"
37 #include "filter_picture.h"
41 /*****************************************************************************
43 *****************************************************************************/
44 static int Create ( vlc_object_t * );
45 static void Destroy ( vlc_object_t * );
47 static picture_t *Filter( filter_t *, picture_t * );
48 static int ExtractCallback( vlc_object_t *, char const *,
49 vlc_value_t, vlc_value_t, void * );
51 static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
52 static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
53 static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
54 static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
55 static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
56 static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
57 static void make_projection_matrix( filter_t *, int color, int *matrix );
58 static void get_custom_from_yuv420( picture_t *, picture_t *, int, int, int, int * );
59 static void get_custom_from_yuv422( picture_t *, picture_t *, int, int, int, int * );
60 static void get_custom_from_packedyuv422( picture_t *, picture_t *, int * );
63 #define COMPONENT_TEXT N_("RGB component to extract")
64 #define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
65 #define FILTER_PREFIX "extract-"
67 static const int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
68 static const char *const ppsz_component_descriptions[] = {
69 "Red", "Green", "Blue" };
71 /*****************************************************************************
73 *****************************************************************************/
75 set_description( N_("Extract RGB component video filter") );
76 set_shortname( N_("Extract" ));
77 set_category( CAT_VIDEO );
78 set_subcategory( SUBCAT_VIDEO_VFILTER );
79 set_capability( "video filter2", 0 );
80 add_shortcut( "extract" );
82 add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
83 NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, false );
84 change_integer_list( pi_component_values, ppsz_component_descriptions, 0 );
86 set_callbacks( Create, Destroy );
89 static const char *const ppsz_filter_options[] = {
93 enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
97 int *projection_matrix;
100 /*****************************************************************************
102 *****************************************************************************/
103 static int Create( vlc_object_t *p_this )
105 filter_t *p_filter = (filter_t *)p_this;
107 switch( p_filter->fmt_in.video.i_chroma )
109 case VLC_FOURCC('I','4','2','0'):
110 case VLC_FOURCC('I','Y','U','V'):
111 case VLC_FOURCC('J','4','2','0'):
112 case VLC_FOURCC('Y','V','1','2'):
114 case VLC_FOURCC('I','4','2','2'):
115 case VLC_FOURCC('J','4','2','2'):
121 /* We only want planar YUV 4:2:0 or 4:2:2 */
122 msg_Err( p_filter, "Unsupported input chroma (%4s)",
123 (char*)&(p_filter->fmt_in.video.i_chroma) );
127 /* Allocate structure */
128 p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
129 if( p_filter->p_sys == NULL )
131 p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
132 if( !p_filter->p_sys->projection_matrix )
134 free( p_filter->p_sys );
138 config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
141 p_filter->p_sys->i_color = var_CreateGetIntegerCommand( p_filter,
142 FILTER_PREFIX "component" );
143 var_AddCallback( p_filter, FILTER_PREFIX "component",
144 ExtractCallback, p_filter->p_sys );
146 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
147 make_projection_matrix( p_filter, p_filter->p_sys->i_color,
148 p_filter->p_sys->projection_matrix );
150 p_filter->pf_video_filter = Filter;
155 /*****************************************************************************
157 *****************************************************************************/
158 static void Destroy( vlc_object_t *p_this )
160 filter_t *p_filter = (filter_t *)p_this;
162 free( p_filter->p_sys->projection_matrix );
163 free( p_filter->p_sys );
166 /*****************************************************************************
168 *****************************************************************************/
169 static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
173 if( !p_pic ) return NULL;
175 p_outpic = p_filter->pf_vout_buffer_new( p_filter );
178 msg_Warn( p_filter, "can't get output picture" );
179 if( p_pic->pf_release )
180 p_pic->pf_release( p_pic );
184 switch( p_pic->format.i_chroma )
186 case VLC_FOURCC('I','4','2','0'):
187 case VLC_FOURCC('I','Y','U','V'):
188 case VLC_FOURCC('J','4','2','0'):
189 case VLC_FOURCC('Y','V','1','2'):
190 switch( p_filter->p_sys->i_color )
193 get_red_from_yuv420( p_pic, p_outpic,
194 Y_PLANE, U_PLANE, V_PLANE );
197 get_green_from_yuv420( p_pic, p_outpic,
198 Y_PLANE, U_PLANE, V_PLANE );
201 get_blue_from_yuv420( p_pic, p_outpic,
202 Y_PLANE, U_PLANE, V_PLANE );
205 get_custom_from_yuv420( p_pic, p_outpic,
206 Y_PLANE, U_PLANE, V_PLANE,
207 p_filter->p_sys->projection_matrix);
212 case VLC_FOURCC('I','4','2','2'):
213 case VLC_FOURCC('J','4','2','2'):
214 switch( p_filter->p_sys->i_color )
217 get_red_from_yuv422( p_pic, p_outpic,
218 Y_PLANE, U_PLANE, V_PLANE );
221 get_green_from_yuv422( p_pic, p_outpic,
222 Y_PLANE, U_PLANE, V_PLANE );
225 get_blue_from_yuv422( p_pic, p_outpic,
226 Y_PLANE, U_PLANE, V_PLANE );
229 get_custom_from_yuv422( p_pic, p_outpic,
230 Y_PLANE, U_PLANE, V_PLANE,
231 p_filter->p_sys->projection_matrix);
237 get_custom_from_packedyuv422( p_pic, p_outpic,
238 p_filter->p_sys->projection_matrix );
242 msg_Warn( p_filter, "Unsupported input chroma (%4s)",
243 (char*)&(p_pic->format.i_chroma) );
244 if( p_pic->pf_release )
245 p_pic->pf_release( p_pic );
249 return CopyInfoAndRelease( p_outpic, p_pic );
252 static inline uint8_t crop( int a )
254 if( a < 0 ) return 0;
255 if( a > 255 ) return 255;
256 else return (uint8_t)a;
262 static void mmult( double *res, double *a, double *b )
265 for( i = 0; i < 3; i++ )
267 for( j = 0; j < 3; j++ )
270 for( k = 0; k < 3; k++ )
272 res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
277 static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
279 double left_matrix[9] =
280 { 76.24500, 149.68500, 29.07000,
281 -43.02765, -84.47235, 127.50000,
282 127.50000, -106.76534, -20.73466 };
283 double right_matrix[9] =
284 { 257.00392, 0.00000, 360.31950,
285 257.00392, -88.44438, -183.53583,
286 257.00392, 455.41095, 0.00000 };
287 double red = ((double)(( 0xFF0000 & color )>>16))/255.;
288 double green = ((double)(( 0x00FF00 & color )>>8))/255.;
289 double blue = ((double)( 0x0000FF & color ))/255.;
290 double norm = sqrt( red*red + green*green + blue*blue );
294 /* XXX: We might still need to norm the rgb_matrix */
295 double rgb_matrix[9] =
296 { red*red, red*green, red*blue,
297 red*green, green*green, green*blue,
298 red*blue, green*blue, blue*blue };
302 msg_Dbg( p_filter, "red: %f", red );
303 msg_Dbg( p_filter, "green: %f", green );
304 msg_Dbg( p_filter, "blue: %f", blue );
305 mmult( result1, rgb_matrix, right_matrix );
306 mmult( result, left_matrix, result1 );
307 for( i = 0; i < 9; i++ )
309 matrix[i] = (int)result[i];
311 msg_Dbg( p_filter, "Projection matrix:" );
312 msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
313 msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
314 msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
317 static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
318 int yp, int up, int vp, int *m )
320 uint8_t *y1in = p_inpic->p[yp].p_pixels;
322 uint8_t *uin = p_inpic->p[up].p_pixels;
323 uint8_t *vin = p_inpic->p[vp].p_pixels;
325 uint8_t *y1out = p_outpic->p[yp].p_pixels;
327 uint8_t *uout = p_outpic->p[up].p_pixels;
328 uint8_t *vout = p_outpic->p[vp].p_pixels;
330 const int i_pitch = p_inpic->p[yp].i_pitch;
331 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
332 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
334 const int i_uv_pitch = p_inpic->p[up].i_pitch;
335 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
337 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
340 const uint8_t *y1end = y1in + i_visible_pitch;
341 y2in = y1in + i_pitch;
342 y2out = y1out + i_pitch;
343 while( y1in < y1end )
345 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
347 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
349 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
351 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
353 *y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
355 *y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
358 y1in += 2*i_pitch - i_visible_pitch;
359 y1out += 2*i_pitch - i_visible_pitch;
360 uin += i_uv_pitch - i_uv_visible_pitch;
361 uout += i_uv_pitch - i_uv_visible_pitch;
362 vin += i_uv_pitch - i_uv_visible_pitch;
363 vout += i_uv_pitch - i_uv_visible_pitch;
366 static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
367 int yp, int up, int vp, int *m )
369 uint8_t *y1in = p_inpic->p[yp].p_pixels;
370 uint8_t *uin = p_inpic->p[up].p_pixels;
371 uint8_t *vin = p_inpic->p[vp].p_pixels;
373 uint8_t *y1out = p_outpic->p[yp].p_pixels;
374 uint8_t *uout = p_outpic->p[up].p_pixels;
375 uint8_t *vout = p_outpic->p[vp].p_pixels;
377 const int i_pitch = p_inpic->p[yp].i_pitch;
378 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
379 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
381 const int i_uv_pitch = p_inpic->p[up].i_pitch;
382 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
384 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
387 const uint8_t *y1end = y1in + i_visible_pitch;
388 while( y1in < y1end )
390 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
392 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
394 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
396 *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
399 y1in += i_pitch - i_visible_pitch;
400 y1out += i_pitch - i_visible_pitch;
401 uin += i_uv_pitch - i_uv_visible_pitch;
402 uout += i_uv_pitch - i_uv_visible_pitch;
403 vin += i_uv_pitch - i_uv_visible_pitch;
404 vout += i_uv_pitch - i_uv_visible_pitch;
408 static void get_custom_from_packedyuv422( picture_t *p_inpic,
412 int i_y_offset, i_u_offset, i_v_offset;
413 if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
414 &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
417 uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
418 uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
419 uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
421 uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
422 uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
423 uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
425 const int i_pitch = p_inpic->p->i_pitch;
426 const int i_visible_pitch = p_inpic->p->i_visible_pitch;
427 const int i_visible_lines = p_inpic->p->i_visible_lines;
429 const uint8_t *yend = yin + i_visible_lines * i_pitch;
432 const uint8_t *ylend = yin + i_visible_pitch;
435 *uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
438 *vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
441 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
445 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
452 yin += i_pitch - i_visible_pitch;
453 yout += i_pitch - i_visible_pitch;
454 uin += i_pitch - i_visible_pitch;
455 uout += i_pitch - i_visible_pitch;
456 vin += i_pitch - i_visible_pitch;
457 vout += i_pitch - i_visible_pitch;
461 static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
462 int yp, int up, int vp )
464 uint8_t *y1in = p_inpic->p[yp].p_pixels;
466 uint8_t *vin = p_inpic->p[vp].p_pixels;
468 uint8_t *y1out = p_outpic->p[yp].p_pixels;
470 uint8_t *uout = p_outpic->p[up].p_pixels;
471 uint8_t *vout = p_outpic->p[vp].p_pixels;
473 const int i_pitch = p_inpic->p[yp].i_pitch;
474 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
475 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
477 const int i_uv_pitch = p_inpic->p[up].i_pitch;
478 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
480 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
483 const uint8_t *y1end = y1in + i_visible_pitch;
484 y2in = y1in + i_pitch;
485 y2out = y1out + i_pitch;
486 while( y1in < y1end )
493 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
495 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
497 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
499 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
501 *y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
503 *y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
506 y1in += 2*i_pitch - i_visible_pitch;
507 y1out += 2*i_pitch - i_visible_pitch;
508 uout += i_uv_pitch - i_uv_visible_pitch;
509 vin += i_uv_pitch - i_uv_visible_pitch;
510 vout += i_uv_pitch - i_uv_visible_pitch;
514 static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
515 int yp, int up, int vp )
517 uint8_t *y1in = p_inpic->p[yp].p_pixels;
519 uint8_t *uin = p_inpic->p[up].p_pixels;
520 uint8_t *vin = p_inpic->p[vp].p_pixels;
522 uint8_t *y1out = p_outpic->p[yp].p_pixels;
524 uint8_t *uout = p_outpic->p[up].p_pixels;
525 uint8_t *vout = p_outpic->p[vp].p_pixels;
527 const int i_pitch = p_inpic->p[yp].i_pitch;
528 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
529 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
531 const int i_uv_pitch = p_inpic->p[up].i_pitch;
532 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
534 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
537 const uint8_t *y1end = y1in + i_visible_pitch;
538 y2in = y1in + i_pitch;
539 y2out = y1out + i_pitch;
540 while( y1in < y1end )
547 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
549 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
551 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
553 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
555 *y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
557 *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
560 y1in += 2*i_pitch - i_visible_pitch;
561 y1out += 2*i_pitch - i_visible_pitch;
562 uin += i_uv_pitch - i_uv_visible_pitch;
563 uout += i_uv_pitch - i_uv_visible_pitch;
564 vin += i_uv_pitch - i_uv_visible_pitch;
565 vout += i_uv_pitch - i_uv_visible_pitch;
569 static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
570 int yp, int up, int vp )
572 uint8_t *y1in = p_inpic->p[yp].p_pixels;
574 uint8_t *uin = p_inpic->p[up].p_pixels;
576 uint8_t *y1out = p_outpic->p[yp].p_pixels;
578 uint8_t *uout = p_outpic->p[up].p_pixels;
579 uint8_t *vout = p_outpic->p[vp].p_pixels;
581 const int i_pitch = p_inpic->p[yp].i_pitch;
582 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
583 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
585 const int i_uv_pitch = p_inpic->p[up].i_pitch;
586 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
588 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
591 const uint8_t *y1end = y1in + i_visible_pitch;
592 y2in = y1in + i_pitch;
593 y2out = y1out + i_pitch;
594 while( y1in < y1end )
601 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
603 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
605 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
607 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
609 *y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
611 *y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
614 y1in += 2*i_pitch - i_visible_pitch;
615 y1out += 2*i_pitch - i_visible_pitch;
616 uin += i_uv_pitch - i_uv_visible_pitch;
617 uout += i_uv_pitch - i_uv_visible_pitch;
618 vout += i_uv_pitch - i_uv_visible_pitch;
622 static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
623 int yp, int up, int vp )
625 uint8_t *y1in = p_inpic->p[yp].p_pixels;
626 uint8_t *vin = p_inpic->p[vp].p_pixels;
628 uint8_t *y1out = p_outpic->p[yp].p_pixels;
629 uint8_t *uout = p_outpic->p[up].p_pixels;
630 uint8_t *vout = p_outpic->p[vp].p_pixels;
632 const int i_pitch = p_inpic->p[yp].i_pitch;
633 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
634 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
636 const int i_uv_pitch = p_inpic->p[up].i_pitch;
637 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
639 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
642 const uint8_t *y1end = y1in + i_visible_pitch;
643 while( y1in < y1end )
650 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
652 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
654 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
656 *y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
659 y1in += i_pitch - i_visible_pitch;
660 y1out += i_pitch - i_visible_pitch;
661 uout += i_uv_pitch - i_uv_visible_pitch;
662 vin += i_uv_pitch - i_uv_visible_pitch;
663 vout += i_uv_pitch - i_uv_visible_pitch;
667 static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
668 int yp, int up, int vp )
670 uint8_t *y1in = p_inpic->p[yp].p_pixels;
671 uint8_t *uin = p_inpic->p[up].p_pixels;
672 uint8_t *vin = p_inpic->p[vp].p_pixels;
674 uint8_t *y1out = p_outpic->p[yp].p_pixels;
675 uint8_t *uout = p_outpic->p[up].p_pixels;
676 uint8_t *vout = p_outpic->p[vp].p_pixels;
678 const int i_pitch = p_inpic->p[yp].i_pitch;
679 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
680 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
682 const int i_uv_pitch = p_inpic->p[up].i_pitch;
683 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
685 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
688 const uint8_t *y1end = y1in + i_visible_pitch;
689 while( y1in < y1end )
696 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
698 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
700 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
702 *y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
705 y1in += i_pitch - i_visible_pitch;
706 y1out += i_pitch - i_visible_pitch;
707 uin += i_uv_pitch - i_uv_visible_pitch;
708 uout += i_uv_pitch - i_uv_visible_pitch;
709 vin += i_uv_pitch - i_uv_visible_pitch;
710 vout += i_uv_pitch - i_uv_visible_pitch;
714 static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
715 int yp, int up, int vp )
717 uint8_t *y1in = p_inpic->p[yp].p_pixels;
718 uint8_t *uin = p_inpic->p[up].p_pixels;
720 uint8_t *y1out = p_outpic->p[yp].p_pixels;
721 uint8_t *uout = p_outpic->p[up].p_pixels;
722 uint8_t *vout = p_outpic->p[vp].p_pixels;
724 const int i_pitch = p_inpic->p[yp].i_pitch;
725 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
726 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
728 const int i_uv_pitch = p_inpic->p[up].i_pitch;
729 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
731 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
734 const uint8_t *y1end = y1in + i_visible_pitch;
735 while( y1in < y1end )
742 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
744 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
746 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
748 *y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
751 y1in += i_pitch - i_visible_pitch;
752 y1out += i_pitch - i_visible_pitch;
753 uin += i_uv_pitch - i_uv_visible_pitch;
754 uout += i_uv_pitch - i_uv_visible_pitch;
755 vout += i_uv_pitch - i_uv_visible_pitch;
759 static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
760 vlc_value_t oldval, vlc_value_t newval,
764 filter_sys_t *p_sys = (filter_sys_t *)p_data;
766 if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
768 p_sys->i_color = newval.i_int;
769 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
770 make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
771 p_sys->projection_matrix );
775 msg_Warn( p_this, "Unknown callback command." );