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>
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 const int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
67 static const char *const ppsz_component_descriptions[] = {
68 "Red", "Green", "Blue" };
70 /*****************************************************************************
72 *****************************************************************************/
74 set_description( N_("Extract RGB component video filter") )
75 set_shortname( N_("Extract" ))
76 set_category( CAT_VIDEO )
77 set_subcategory( SUBCAT_VIDEO_VFILTER )
78 set_capability( "video filter2", 0 )
79 add_shortcut( "extract" )
81 add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
82 NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, false )
83 change_integer_list( pi_component_values, ppsz_component_descriptions, NULL )
85 set_callbacks( Create, Destroy )
88 static const char *const ppsz_filter_options[] = {
92 enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
96 int *projection_matrix;
99 /*****************************************************************************
101 *****************************************************************************/
102 static int Create( vlc_object_t *p_this )
104 filter_t *p_filter = (filter_t *)p_this;
106 switch( p_filter->fmt_in.video.i_chroma )
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 p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
130 if( !p_filter->p_sys->projection_matrix )
132 free( p_filter->p_sys );
136 config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
139 p_filter->p_sys->i_color = var_CreateGetIntegerCommand( p_filter,
140 FILTER_PREFIX "component" );
141 var_AddCallback( p_filter, FILTER_PREFIX "component",
142 ExtractCallback, p_filter->p_sys );
144 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
145 make_projection_matrix( p_filter, p_filter->p_sys->i_color,
146 p_filter->p_sys->projection_matrix );
148 p_filter->pf_video_filter = Filter;
153 /*****************************************************************************
155 *****************************************************************************/
156 static void Destroy( vlc_object_t *p_this )
158 filter_t *p_filter = (filter_t *)p_this;
160 free( p_filter->p_sys->projection_matrix );
161 free( p_filter->p_sys );
164 /*****************************************************************************
166 *****************************************************************************/
167 static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
171 if( !p_pic ) return NULL;
173 p_outpic = filter_NewPicture( p_filter );
176 picture_Release( p_pic );
180 switch( p_pic->format.i_chroma )
185 switch( p_filter->p_sys->i_color )
188 get_red_from_yuv420( p_pic, p_outpic,
189 Y_PLANE, U_PLANE, V_PLANE );
192 get_green_from_yuv420( p_pic, p_outpic,
193 Y_PLANE, U_PLANE, V_PLANE );
196 get_blue_from_yuv420( p_pic, p_outpic,
197 Y_PLANE, U_PLANE, V_PLANE );
200 get_custom_from_yuv420( p_pic, p_outpic,
201 Y_PLANE, U_PLANE, V_PLANE,
202 p_filter->p_sys->projection_matrix);
209 switch( p_filter->p_sys->i_color )
212 get_red_from_yuv422( p_pic, p_outpic,
213 Y_PLANE, U_PLANE, V_PLANE );
216 get_green_from_yuv422( p_pic, p_outpic,
217 Y_PLANE, U_PLANE, V_PLANE );
220 get_blue_from_yuv422( p_pic, p_outpic,
221 Y_PLANE, U_PLANE, V_PLANE );
224 get_custom_from_yuv422( p_pic, p_outpic,
225 Y_PLANE, U_PLANE, V_PLANE,
226 p_filter->p_sys->projection_matrix);
232 get_custom_from_packedyuv422( p_pic, p_outpic,
233 p_filter->p_sys->projection_matrix );
237 msg_Warn( p_filter, "Unsupported input chroma (%4s)",
238 (char*)&(p_pic->format.i_chroma) );
239 picture_Release( p_pic );
243 return CopyInfoAndRelease( p_outpic, p_pic );
246 static inline uint8_t crop( int a )
248 if( a < 0 ) return 0;
249 if( a > 255 ) return 255;
250 else return (uint8_t)a;
256 static void mmult( double *res, double *a, double *b )
259 for( i = 0; i < 3; i++ )
261 for( j = 0; j < 3; j++ )
264 for( k = 0; k < 3; k++ )
266 res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
271 static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
273 double left_matrix[9] =
274 { 76.24500, 149.68500, 29.07000,
275 -43.02765, -84.47235, 127.50000,
276 127.50000, -106.76534, -20.73466 };
277 double right_matrix[9] =
278 { 257.00392, 0.00000, 360.31950,
279 257.00392, -88.44438, -183.53583,
280 257.00392, 455.41095, 0.00000 };
281 double red = ((double)(( 0xFF0000 & color )>>16))/255.;
282 double green = ((double)(( 0x00FF00 & color )>>8))/255.;
283 double blue = ((double)( 0x0000FF & color ))/255.;
284 double norm = sqrt( red*red + green*green + blue*blue );
288 /* XXX: We might still need to norm the rgb_matrix */
289 double rgb_matrix[9] =
290 { red*red, red*green, red*blue,
291 red*green, green*green, green*blue,
292 red*blue, green*blue, blue*blue };
296 msg_Dbg( p_filter, "red: %f", red );
297 msg_Dbg( p_filter, "green: %f", green );
298 msg_Dbg( p_filter, "blue: %f", blue );
299 mmult( result1, rgb_matrix, right_matrix );
300 mmult( result, left_matrix, result1 );
301 for( i = 0; i < 9; i++ )
303 matrix[i] = (int)result[i];
305 msg_Dbg( p_filter, "Projection matrix:" );
306 msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
307 msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
308 msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
311 static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
312 int yp, int up, int vp, int *m )
314 uint8_t *y1in = p_inpic->p[yp].p_pixels;
316 uint8_t *uin = p_inpic->p[up].p_pixels;
317 uint8_t *vin = p_inpic->p[vp].p_pixels;
319 uint8_t *y1out = p_outpic->p[yp].p_pixels;
321 uint8_t *uout = p_outpic->p[up].p_pixels;
322 uint8_t *vout = p_outpic->p[vp].p_pixels;
324 const int i_pitch = p_inpic->p[yp].i_pitch;
325 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
326 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
328 const int i_uv_pitch = p_inpic->p[up].i_pitch;
329 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
331 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
334 const uint8_t *y1end = y1in + i_visible_pitch;
335 y2in = y1in + i_pitch;
336 y2out = y1out + i_pitch;
337 while( y1in < y1end )
339 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
341 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
343 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
345 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
347 *y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
349 *y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
352 y1in += 2*i_pitch - i_visible_pitch;
353 y1out += 2*i_pitch - i_visible_pitch;
354 uin += i_uv_pitch - i_uv_visible_pitch;
355 uout += i_uv_pitch - i_uv_visible_pitch;
356 vin += i_uv_pitch - i_uv_visible_pitch;
357 vout += i_uv_pitch - i_uv_visible_pitch;
360 static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
361 int yp, int up, int vp, int *m )
363 uint8_t *y1in = p_inpic->p[yp].p_pixels;
364 uint8_t *uin = p_inpic->p[up].p_pixels;
365 uint8_t *vin = p_inpic->p[vp].p_pixels;
367 uint8_t *y1out = p_outpic->p[yp].p_pixels;
368 uint8_t *uout = p_outpic->p[up].p_pixels;
369 uint8_t *vout = p_outpic->p[vp].p_pixels;
371 const int i_pitch = p_inpic->p[yp].i_pitch;
372 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
373 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
375 const int i_uv_pitch = p_inpic->p[up].i_pitch;
376 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
378 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
381 const uint8_t *y1end = y1in + i_visible_pitch;
382 while( y1in < y1end )
384 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
386 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
388 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
390 *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
393 y1in += i_pitch - i_visible_pitch;
394 y1out += i_pitch - i_visible_pitch;
395 uin += i_uv_pitch - i_uv_visible_pitch;
396 uout += i_uv_pitch - i_uv_visible_pitch;
397 vin += i_uv_pitch - i_uv_visible_pitch;
398 vout += i_uv_pitch - i_uv_visible_pitch;
402 static void get_custom_from_packedyuv422( picture_t *p_inpic,
406 int i_y_offset, i_u_offset, i_v_offset;
407 if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
408 &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
411 uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
412 uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
413 uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
415 uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
416 uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
417 uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
419 const int i_pitch = p_inpic->p->i_pitch;
420 const int i_visible_pitch = p_inpic->p->i_visible_pitch;
421 const int i_visible_lines = p_inpic->p->i_visible_lines;
423 const uint8_t *yend = yin + i_visible_lines * i_pitch;
426 const uint8_t *ylend = yin + i_visible_pitch;
429 *uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
432 *vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
435 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
439 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
446 yin += i_pitch - i_visible_pitch;
447 yout += i_pitch - i_visible_pitch;
448 uin += i_pitch - i_visible_pitch;
449 uout += i_pitch - i_visible_pitch;
450 vin += i_pitch - i_visible_pitch;
451 vout += i_pitch - i_visible_pitch;
455 static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
456 int yp, int up, int vp )
458 uint8_t *y1in = p_inpic->p[yp].p_pixels;
460 uint8_t *vin = p_inpic->p[vp].p_pixels;
462 uint8_t *y1out = p_outpic->p[yp].p_pixels;
464 uint8_t *uout = p_outpic->p[up].p_pixels;
465 uint8_t *vout = p_outpic->p[vp].p_pixels;
467 const int i_pitch = p_inpic->p[yp].i_pitch;
468 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
469 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
471 const int i_uv_pitch = p_inpic->p[up].i_pitch;
472 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
474 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
477 const uint8_t *y1end = y1in + i_visible_pitch;
478 y2in = y1in + i_pitch;
479 y2out = y1out + i_pitch;
480 while( y1in < y1end )
487 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
489 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
491 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
493 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
495 *y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
497 *y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
500 y1in += 2*i_pitch - i_visible_pitch;
501 y1out += 2*i_pitch - i_visible_pitch;
502 uout += i_uv_pitch - i_uv_visible_pitch;
503 vin += i_uv_pitch - i_uv_visible_pitch;
504 vout += i_uv_pitch - i_uv_visible_pitch;
508 static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
509 int yp, int up, int vp )
511 uint8_t *y1in = p_inpic->p[yp].p_pixels;
513 uint8_t *uin = p_inpic->p[up].p_pixels;
514 uint8_t *vin = p_inpic->p[vp].p_pixels;
516 uint8_t *y1out = p_outpic->p[yp].p_pixels;
518 uint8_t *uout = p_outpic->p[up].p_pixels;
519 uint8_t *vout = p_outpic->p[vp].p_pixels;
521 const int i_pitch = p_inpic->p[yp].i_pitch;
522 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
523 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
525 const int i_uv_pitch = p_inpic->p[up].i_pitch;
526 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
528 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
531 const uint8_t *y1end = y1in + i_visible_pitch;
532 y2in = y1in + i_pitch;
533 y2out = y1out + i_pitch;
534 while( y1in < y1end )
541 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
543 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
545 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
547 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
549 *y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
551 *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
554 y1in += 2*i_pitch - i_visible_pitch;
555 y1out += 2*i_pitch - i_visible_pitch;
556 uin += i_uv_pitch - i_uv_visible_pitch;
557 uout += i_uv_pitch - i_uv_visible_pitch;
558 vin += i_uv_pitch - i_uv_visible_pitch;
559 vout += i_uv_pitch - i_uv_visible_pitch;
563 static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
564 int yp, int up, int vp )
566 uint8_t *y1in = p_inpic->p[yp].p_pixels;
568 uint8_t *uin = p_inpic->p[up].p_pixels;
570 uint8_t *y1out = p_outpic->p[yp].p_pixels;
572 uint8_t *uout = p_outpic->p[up].p_pixels;
573 uint8_t *vout = p_outpic->p[vp].p_pixels;
575 const int i_pitch = p_inpic->p[yp].i_pitch;
576 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
577 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
579 const int i_uv_pitch = p_inpic->p[up].i_pitch;
580 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
582 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
585 const uint8_t *y1end = y1in + i_visible_pitch;
586 y2in = y1in + i_pitch;
587 y2out = y1out + i_pitch;
588 while( y1in < y1end )
595 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
597 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
599 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
601 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
603 *y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
605 *y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
608 y1in += 2*i_pitch - i_visible_pitch;
609 y1out += 2*i_pitch - i_visible_pitch;
610 uin += i_uv_pitch - i_uv_visible_pitch;
611 uout += i_uv_pitch - i_uv_visible_pitch;
612 vout += i_uv_pitch - i_uv_visible_pitch;
616 static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
617 int yp, int up, int vp )
619 uint8_t *y1in = p_inpic->p[yp].p_pixels;
620 uint8_t *vin = p_inpic->p[vp].p_pixels;
622 uint8_t *y1out = p_outpic->p[yp].p_pixels;
623 uint8_t *uout = p_outpic->p[up].p_pixels;
624 uint8_t *vout = p_outpic->p[vp].p_pixels;
626 const int i_pitch = p_inpic->p[yp].i_pitch;
627 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
628 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
630 const int i_uv_pitch = p_inpic->p[up].i_pitch;
631 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
633 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
636 const uint8_t *y1end = y1in + i_visible_pitch;
637 while( y1in < y1end )
644 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
646 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
648 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
650 *y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
653 y1in += i_pitch - i_visible_pitch;
654 y1out += i_pitch - i_visible_pitch;
655 uout += i_uv_pitch - i_uv_visible_pitch;
656 vin += i_uv_pitch - i_uv_visible_pitch;
657 vout += i_uv_pitch - i_uv_visible_pitch;
661 static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
662 int yp, int up, int vp )
664 uint8_t *y1in = p_inpic->p[yp].p_pixels;
665 uint8_t *uin = p_inpic->p[up].p_pixels;
666 uint8_t *vin = p_inpic->p[vp].p_pixels;
668 uint8_t *y1out = p_outpic->p[yp].p_pixels;
669 uint8_t *uout = p_outpic->p[up].p_pixels;
670 uint8_t *vout = p_outpic->p[vp].p_pixels;
672 const int i_pitch = p_inpic->p[yp].i_pitch;
673 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
674 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
676 const int i_uv_pitch = p_inpic->p[up].i_pitch;
677 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
679 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
682 const uint8_t *y1end = y1in + i_visible_pitch;
683 while( y1in < y1end )
690 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
692 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
694 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
696 *y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
699 y1in += i_pitch - i_visible_pitch;
700 y1out += i_pitch - i_visible_pitch;
701 uin += i_uv_pitch - i_uv_visible_pitch;
702 uout += i_uv_pitch - i_uv_visible_pitch;
703 vin += i_uv_pitch - i_uv_visible_pitch;
704 vout += i_uv_pitch - i_uv_visible_pitch;
708 static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
709 int yp, int up, int vp )
711 uint8_t *y1in = p_inpic->p[yp].p_pixels;
712 uint8_t *uin = p_inpic->p[up].p_pixels;
714 uint8_t *y1out = p_outpic->p[yp].p_pixels;
715 uint8_t *uout = p_outpic->p[up].p_pixels;
716 uint8_t *vout = p_outpic->p[vp].p_pixels;
718 const int i_pitch = p_inpic->p[yp].i_pitch;
719 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
720 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
722 const int i_uv_pitch = p_inpic->p[up].i_pitch;
723 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
725 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
728 const uint8_t *y1end = y1in + i_visible_pitch;
729 while( y1in < y1end )
736 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
738 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
740 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
742 *y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
745 y1in += i_pitch - i_visible_pitch;
746 y1out += i_pitch - i_visible_pitch;
747 uin += i_uv_pitch - i_uv_visible_pitch;
748 uout += i_uv_pitch - i_uv_visible_pitch;
749 vout += i_uv_pitch - i_uv_visible_pitch;
753 static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
754 vlc_value_t oldval, vlc_value_t newval,
758 filter_sys_t *p_sys = (filter_sys_t *)p_data;
760 if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
762 p_sys->i_color = newval.i_int;
763 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
764 make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
765 p_sys->projection_matrix );
769 msg_Warn( p_this, "Unknown callback command." );