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[vlc.git] / modules / video_chroma / i420_rgb16_x86.c
blob35d3272baf1e97473af87a1ffd41892d5ed17bc9
1 /*****************************************************************************
2 * i420_rgb16_x86.c : YUV to bitmap RGB conversion module for vlc
3 *****************************************************************************
4 * Copyright (C) 2000 VLC authors and VideoLAN
5 *
6 * Authors: Samuel Hocevar <sam@zoy.org>
7 * Damien Fouilleul <damienf@videolan.org>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
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 Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
23
24 #ifdef HAVE_CONFIG_H
25 # include "config.h"
26 #endif
27
28 #include <vlc_common.h>
29 #include <vlc_filter.h>
30 #include <vlc_picture.h>
31 #include <vlc_cpu.h>
32
33 #include "i420_rgb.h"
34 #ifdef SSE2
35 # include "i420_rgb_sse2.h"
36 # define VLC_TARGET VLC_SSE
37 #else
38 # include "i420_rgb_mmx.h"
39 # define VLC_TARGET VLC_MMX
40 #endif
41
42 /*****************************************************************************
43 * SetOffset: build offset array for conversion functions
44 *****************************************************************************
45 * This function will build an offset array used in later conversion functions.
46 * It will also set horizontal and vertical scaling indicators.
47 *****************************************************************************/
48 static void SetOffset( int i_width, int i_height, int i_pic_width,
49 int i_pic_height, bool *pb_hscale,
50 unsigned int *pi_vscale, int *p_offset )
51 {
52 /*
53 * Prepare horizontal offset array
54 */
55 if( i_pic_width - i_width == 0 )
56 { /* No horizontal scaling: YUV conversion is done directly to picture */
57 *pb_hscale = 0;
58 }
59 else if( i_pic_width - i_width > 0 )
60 { /* Prepare scaling array for horizontal extension */
61 int i_scale_count = i_pic_width;
62
63 *pb_hscale = 1;
64 for( int i_x = i_width; i_x--; )
65 {
66 while( (i_scale_count -= i_width) > 0 )
67 {
68 *p_offset++ = 0;
69 }
70 *p_offset++ = 1;
71 i_scale_count += i_pic_width;
72 }
73 }
74 else /* if( i_pic_width - i_width < 0 ) */
75 { /* Prepare scaling array for horizontal reduction */
76 int i_scale_count = i_pic_width;
77
78 *pb_hscale = 1;
79 for( int i_x = i_pic_width; i_x--; )
80 {
81 *p_offset = 1;
82 while( (i_scale_count -= i_pic_width) > 0 )
83 {
84 *p_offset += 1;
85 }
86 p_offset++;
87 i_scale_count += i_width;
88 }
89 }
90
91 /*
92 * Set vertical scaling indicator
93 */
94 if( i_pic_height - i_height == 0 )
95 *pi_vscale = 0;
96 else if( i_pic_height - i_height > 0 )
97 *pi_vscale = 1;
98 else /* if( i_pic_height - i_height < 0 ) */
99 *pi_vscale = -1;
100 }
101
102 VLC_TARGET
103 void I420_R5G5B5( filter_t *p_filter, picture_t *p_src, picture_t *p_dest )
104 {
105 filter_sys_t *p_sys = p_filter->p_sys;
106
107 /* We got this one from the old arguments */
108 uint16_t *p_pic = (uint16_t*)p_dest->p->p_pixels;
109 uint8_t *p_y = p_src->Y_PIXELS;
110 uint8_t *p_u = p_src->U_PIXELS;
111 uint8_t *p_v = p_src->V_PIXELS;
112
113 bool b_hscale; /* horizontal scaling type */
114 unsigned int i_vscale; /* vertical scaling type */
115 unsigned int i_x, i_y; /* horizontal and vertical indexes */
116
117 int i_right_margin;
118 int i_rewind;
119 int i_scale_count; /* scale modulo counter */
120 int i_chroma_width = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 2; /* chroma width */
121 uint16_t * p_pic_start; /* beginning of the current line for copy */
122
123 /* Conversion buffer pointer */
124 uint16_t * p_buffer_start;
125 uint16_t * p_buffer;
126
127 /* Offset array pointer */
128 int * p_offset_start = p_sys->p_offset;
129 int * p_offset;
130
131 const int i_source_margin = p_src->p[0].i_pitch
132 - p_src->p[0].i_visible_pitch
133 - p_filter->fmt_in.video.i_x_offset;
134 const int i_source_margin_c = p_src->p[1].i_pitch
135 - p_src->p[1].i_visible_pitch
136 - ( p_filter->fmt_in.video.i_x_offset / 2 );
137
138 i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
139
140 /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
141 * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
142 * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
143 SetOffset( (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width),
144 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height),
145 (p_filter->fmt_out.video.i_x_offset + p_filter->fmt_out.video.i_visible_width),
146 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height),
147 &b_hscale, &i_vscale, p_offset_start );
148
149 if(b_hscale &&
150 AllocateOrGrow(&p_sys->p_buffer, &p_sys->i_buffer_size,
151 p_filter->fmt_in.video.i_x_offset +
152 p_filter->fmt_in.video.i_visible_width,
153 p_sys->i_bytespp))
154 return;
155 else p_buffer_start = (uint16_t*)p_sys->p_buffer;
156
157 /*
158 * Perform conversion
159 */
160 i_scale_count = ( i_vscale == 1 ) ?
161 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height) :
162 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height);
163
164 #ifdef SSE2
165
166 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 15;
167
168 /*
169 ** SSE2 128 bits fetch/store instructions are faster
170 ** if memory access is 16 bytes aligned
171 */
172
173 p_buffer = b_hscale ? p_buffer_start : p_pic;
174
175 if( 0 == (15 & (p_src->p[Y_PLANE].i_pitch|
176 p_dest->p->i_pitch|
177 ((intptr_t)p_y)|
178 ((intptr_t)p_buffer))) )
179 {
180 /* use faster SSE2 aligned fetch and store */
181 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
182 {
183 p_pic_start = p_pic;
184
185 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)/16; i_x--; )
186 {
187 SSE2_CALL (
188 SSE2_INIT_16_ALIGNED
189 SSE2_YUV_MUL
190 SSE2_YUV_ADD
191 SSE2_UNPACK_15_ALIGNED
192 );
193 p_y += 16;
194 p_u += 8;
195 p_v += 8;
196 p_buffer += 16;
197 }
198 /* Here we do some unaligned reads and duplicate conversions, but
199 * at least we have all the pixels */
200 if( i_rewind )
201 {
202 p_y -= i_rewind;
203 p_u -= i_rewind >> 1;
204 p_v -= i_rewind >> 1;
205 p_buffer -= i_rewind;
206
207 SSE2_CALL (
208 SSE2_INIT_16_UNALIGNED
209 SSE2_YUV_MUL
210 SSE2_YUV_ADD
211 SSE2_UNPACK_15_UNALIGNED
212 );
213 p_y += 16;
214 p_u += 8;
215 p_v += 8;
216 }
217 SCALE_WIDTH;
218 SCALE_HEIGHT( 420, 2 );
219
220 p_y += i_source_margin;
221 if( i_y % 2 )
222 {
223 p_u += i_source_margin_c;
224 p_v += i_source_margin_c;
225 }
226 p_buffer = b_hscale ? p_buffer_start : p_pic;
227 }
228 }
229 else
230 {
231 /* use slower SSE2 unaligned fetch and store */
232 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
233 {
234 p_pic_start = p_pic;
235
236 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)/16; i_x--; )
237 {
238 SSE2_CALL (
239 SSE2_INIT_16_UNALIGNED
240 SSE2_YUV_MUL
241 SSE2_YUV_ADD
242 SSE2_UNPACK_15_UNALIGNED
243 );
244 p_y += 16;
245 p_u += 8;
246 p_v += 8;
247 p_buffer += 16;
248 }
249 /* Here we do some unaligned reads and duplicate conversions, but
250 * at least we have all the pixels */
251 if( i_rewind )
252 {
253 p_y -= i_rewind;
254 p_u -= i_rewind >> 1;
255 p_v -= i_rewind >> 1;
256 p_buffer -= i_rewind;
257
258 SSE2_CALL (
259 SSE2_INIT_16_UNALIGNED
260 SSE2_YUV_MUL
261 SSE2_YUV_ADD
262 SSE2_UNPACK_15_UNALIGNED
263 );
264 p_y += 16;
265 p_u += 8;
266 p_v += 8;
267 }
268 SCALE_WIDTH;
269 SCALE_HEIGHT( 420, 2 );
270
271 p_y += i_source_margin;
272 if( i_y % 2 )
273 {
274 p_u += i_source_margin_c;
275 p_v += i_source_margin_c;
276 }
277 p_buffer = b_hscale ? p_buffer_start : p_pic;
278 }
279 }
280
281 /* make sure all SSE2 stores are visible thereafter */
282 SSE2_END;
283
284 #else /* SSE2 */
285
286 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 7;
287
288 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
289 {
290 p_pic_start = p_pic;
291 p_buffer = b_hscale ? p_buffer_start : p_pic;
292
293 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 8; i_x--; )
294 {
295 MMX_CALL (
296 MMX_INIT_16
297 MMX_YUV_MUL
298 MMX_YUV_ADD
299 MMX_UNPACK_15
300 );
301 p_y += 8;
302 p_u += 4;
303 p_v += 4;
304 p_buffer += 8;
305 }
306
307 /* Here we do some unaligned reads and duplicate conversions, but
308 * at least we have all the pixels */
309 if( i_rewind )
310 {
311 p_y -= i_rewind;
312 p_u -= i_rewind >> 1;
313 p_v -= i_rewind >> 1;
314 p_buffer -= i_rewind;
315
316 MMX_CALL (
317 MMX_INIT_16
318 MMX_YUV_MUL
319 MMX_YUV_ADD
320 MMX_UNPACK_15
321 );
322 p_y += 8;
323 p_u += 4;
324 p_v += 4;
325 }
326 SCALE_WIDTH;
327 SCALE_HEIGHT( 420, 2 );
328
329 p_y += i_source_margin;
330 if( i_y % 2 )
331 {
332 p_u += i_source_margin_c;
333 p_v += i_source_margin_c;
334 }
335 }
336 /* re-enable FPU registers */
337 MMX_END;
338
339 #endif /* SSE2 */
340 }
341
342 VLC_TARGET
343 void I420_R5G6B5( filter_t *p_filter, picture_t *p_src, picture_t *p_dest )
344 {
345 filter_sys_t *p_sys = p_filter->p_sys;
346
347 /* We got this one from the old arguments */
348 uint16_t *p_pic = (uint16_t*)p_dest->p->p_pixels;
349 uint8_t *p_y = p_src->Y_PIXELS;
350 uint8_t *p_u = p_src->U_PIXELS;
351 uint8_t *p_v = p_src->V_PIXELS;
352
353 bool b_hscale; /* horizontal scaling type */
354 unsigned int i_vscale; /* vertical scaling type */
355 unsigned int i_x, i_y; /* horizontal and vertical indexes */
356
357 int i_right_margin;
358 int i_rewind;
359 int i_scale_count; /* scale modulo counter */
360 int i_chroma_width = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 2; /* chroma width */
361 uint16_t * p_pic_start; /* beginning of the current line for copy */
362
363 /* Conversion buffer pointer */
364 uint16_t * p_buffer_start;
365 uint16_t * p_buffer;
366
367 /* Offset array pointer */
368 int * p_offset_start = p_sys->p_offset;
369 int * p_offset;
370
371 const int i_source_margin = p_src->p[0].i_pitch
372 - p_src->p[0].i_visible_pitch
373 - p_filter->fmt_in.video.i_x_offset;
374 const int i_source_margin_c = p_src->p[1].i_pitch
375 - p_src->p[1].i_visible_pitch
376 - ( p_filter->fmt_in.video.i_x_offset / 2 );
377
378 i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
379
380 /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
381 * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
382 * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
383 SetOffset( (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width),
384 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height),
385 (p_filter->fmt_out.video.i_x_offset + p_filter->fmt_out.video.i_visible_width),
386 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height),
387 &b_hscale, &i_vscale, p_offset_start );
388
389 if(b_hscale &&
390 AllocateOrGrow(&p_sys->p_buffer, &p_sys->i_buffer_size,
391 p_filter->fmt_in.video.i_x_offset +
392 p_filter->fmt_in.video.i_visible_width,
393 p_sys->i_bytespp))
394 return;
395 else p_buffer_start = (uint16_t*)p_sys->p_buffer;
396
397 /*
398 * Perform conversion
399 */
400 i_scale_count = ( i_vscale == 1 ) ?
401 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height) :
402 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height);
403
404 #ifdef SSE2
405
406 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 15;
407
408 /*
409 ** SSE2 128 bits fetch/store instructions are faster
410 ** if memory access is 16 bytes aligned
411 */
412
413 p_buffer = b_hscale ? p_buffer_start : p_pic;
414
415 if( 0 == (15 & (p_src->p[Y_PLANE].i_pitch|
416 p_dest->p->i_pitch|
417 ((intptr_t)p_y)|
418 ((intptr_t)p_buffer))) )
419 {
420 /* use faster SSE2 aligned fetch and store */
421 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
422 {
423 p_pic_start = p_pic;
424
425 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)/16; i_x--; )
426 {
427 SSE2_CALL (
428 SSE2_INIT_16_ALIGNED
429 SSE2_YUV_MUL
430 SSE2_YUV_ADD
431 SSE2_UNPACK_16_ALIGNED
432 );
433 p_y += 16;
434 p_u += 8;
435 p_v += 8;
436 p_buffer += 16;
437 }
438 /* Here we do some unaligned reads and duplicate conversions, but
439 * at least we have all the pixels */
440 if( i_rewind )
441 {
442 p_y -= i_rewind;
443 p_u -= i_rewind >> 1;
444 p_v -= i_rewind >> 1;
445 p_buffer -= i_rewind;
446
447 SSE2_CALL (
448 SSE2_INIT_16_UNALIGNED
449 SSE2_YUV_MUL
450 SSE2_YUV_ADD
451 SSE2_UNPACK_16_UNALIGNED
452 );
453 p_y += 16;
454 p_u += 8;
455 p_v += 8;
456 }
457 SCALE_WIDTH;
458 SCALE_HEIGHT( 420, 2 );
459
460 p_y += i_source_margin;
461 if( i_y % 2 )
462 {
463 p_u += i_source_margin_c;
464 p_v += i_source_margin_c;
465 }
466 p_buffer = b_hscale ? p_buffer_start : p_pic;
467 }
468 }
469 else
470 {
471 /* use slower SSE2 unaligned fetch and store */
472 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
473 {
474 p_pic_start = p_pic;
475
476 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)/16; i_x--; )
477 {
478 SSE2_CALL(
479 SSE2_INIT_16_UNALIGNED
480 SSE2_YUV_MUL
481 SSE2_YUV_ADD
482 SSE2_UNPACK_16_UNALIGNED
483 );
484 p_y += 16;
485 p_u += 8;
486 p_v += 8;
487 p_buffer += 16;
488 }
489 /* Here we do some unaligned reads and duplicate conversions, but
490 * at least we have all the pixels */
491 if( i_rewind )
492 {
493 p_y -= i_rewind;
494 p_u -= i_rewind >> 1;
495 p_v -= i_rewind >> 1;
496 p_buffer -= i_rewind;
497
498 SSE2_CALL(
499 SSE2_INIT_16_UNALIGNED
500 SSE2_YUV_MUL
501 SSE2_YUV_ADD
502 SSE2_UNPACK_16_UNALIGNED
503 );
504 p_y += 16;
505 p_u += 8;
506 p_v += 8;
507 }
508 SCALE_WIDTH;
509 SCALE_HEIGHT( 420, 2 );
510
511 p_y += i_source_margin;
512 if( i_y % 2 )
513 {
514 p_u += i_source_margin_c;
515 p_v += i_source_margin_c;
516 }
517 p_buffer = b_hscale ? p_buffer_start : p_pic;
518 }
519 }
520
521 /* make sure all SSE2 stores are visible thereafter */
522 SSE2_END;
523
524 #else /* SSE2 */
525
526 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 7;
527
528 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
529 {
530 p_pic_start = p_pic;
531 p_buffer = b_hscale ? p_buffer_start : p_pic;
532
533 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 8; i_x--; )
534 {
535 MMX_CALL (
536 MMX_INIT_16
537 MMX_YUV_MUL
538 MMX_YUV_ADD
539 MMX_UNPACK_16
540 );
541 p_y += 8;
542 p_u += 4;
543 p_v += 4;
544 p_buffer += 8;
545 }
546
547 /* Here we do some unaligned reads and duplicate conversions, but
548 * at least we have all the pixels */
549 if( i_rewind )
550 {
551 p_y -= i_rewind;
552 p_u -= i_rewind >> 1;
553 p_v -= i_rewind >> 1;
554 p_buffer -= i_rewind;
555
556 MMX_CALL (
557 MMX_INIT_16
558 MMX_YUV_MUL
559 MMX_YUV_ADD
560 MMX_UNPACK_16
561 );
562 p_y += 8;
563 p_u += 4;
564 p_v += 4;
565 }
566 SCALE_WIDTH;
567 SCALE_HEIGHT( 420, 2 );
568
569 p_y += i_source_margin;
570 if( i_y % 2 )
571 {
572 p_u += i_source_margin_c;
573 p_v += i_source_margin_c;
574 }
575 }
576 /* re-enable FPU registers */
577 MMX_END;
578
579 #endif /* SSE2 */
580 }
581
582 VLC_TARGET
583 void I420_A8R8G8B8( filter_t *p_filter, picture_t *p_src,
584 picture_t *p_dest )
585 {
586 filter_sys_t *p_sys = p_filter->p_sys;
587
588 /* We got this one from the old arguments */
589 uint32_t *p_pic = (uint32_t*)p_dest->p->p_pixels;
590 uint8_t *p_y = p_src->Y_PIXELS;
591 uint8_t *p_u = p_src->U_PIXELS;
592 uint8_t *p_v = p_src->V_PIXELS;
593
594 bool b_hscale; /* horizontal scaling type */
595 unsigned int i_vscale; /* vertical scaling type */
596 unsigned int i_x, i_y; /* horizontal and vertical indexes */
597
598 int i_right_margin;
599 int i_rewind;
600 int i_scale_count; /* scale modulo counter */
601 int i_chroma_width = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 2; /* chroma width */
602 uint32_t * p_pic_start; /* beginning of the current line for copy */
603 /* Conversion buffer pointer */
604 uint32_t * p_buffer_start;
605 uint32_t * p_buffer;
606
607 /* Offset array pointer */
608 int * p_offset_start = p_sys->p_offset;
609 int * p_offset;
610
611 const int i_source_margin = p_src->p[0].i_pitch
612 - p_src->p[0].i_visible_pitch
613 - p_filter->fmt_in.video.i_x_offset;
614 const int i_source_margin_c = p_src->p[1].i_pitch
615 - p_src->p[1].i_visible_pitch
616 - ( p_filter->fmt_in.video.i_x_offset / 2 );
617
618 i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
619
620 /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
621 * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
622 * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
623 SetOffset( p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width,
624 p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height,
625 (p_filter->fmt_out.video.i_x_offset + p_filter->fmt_out.video.i_visible_width),
626 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height),
627 &b_hscale, &i_vscale, p_offset_start );
628
629 if(b_hscale &&
630 AllocateOrGrow(&p_sys->p_buffer, &p_sys->i_buffer_size,
631 p_filter->fmt_in.video.i_x_offset +
632 p_filter->fmt_in.video.i_visible_width,
633 p_sys->i_bytespp))
634 return;
635 else p_buffer_start = (uint32_t*)p_sys->p_buffer;
636
637 /*
638 * Perform conversion
639 */
640 i_scale_count = ( i_vscale == 1 ) ?
641 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height) :
642 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height);
643
644 #ifdef SSE2
645
646 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 15;
647
648 /*
649 ** SSE2 128 bits fetch/store instructions are faster
650 ** if memory access is 16 bytes aligned
651 */
652
653 p_buffer = b_hscale ? p_buffer_start : p_pic;
654
655 if( 0 == (15 & (p_src->p[Y_PLANE].i_pitch|
656 p_dest->p->i_pitch|
657 ((intptr_t)p_y)|
658 ((intptr_t)p_buffer))) )
659 {
660 /* use faster SSE2 aligned fetch and store */
661 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
662 {
663 p_pic_start = p_pic;
664
665 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
666 {
667 SSE2_CALL (
668 SSE2_INIT_32_ALIGNED
669 SSE2_YUV_MUL
670 SSE2_YUV_ADD
671 SSE2_UNPACK_32_ARGB_ALIGNED
672 );
673 p_y += 16;
674 p_u += 8;
675 p_v += 8;
676 p_buffer += 16;
677 }
678
679 /* Here we do some unaligned reads and duplicate conversions, but
680 * at least we have all the pixels */
681 if( i_rewind )
682 {
683 p_y -= i_rewind;
684 p_u -= i_rewind >> 1;
685 p_v -= i_rewind >> 1;
686 p_buffer -= i_rewind;
687 SSE2_CALL (
688 SSE2_INIT_32_UNALIGNED
689 SSE2_YUV_MUL
690 SSE2_YUV_ADD
691 SSE2_UNPACK_32_ARGB_UNALIGNED
692 );
693 p_y += 16;
694 p_u += 8;
695 p_v += 8;
696 }
697 SCALE_WIDTH;
698 SCALE_HEIGHT( 420, 4 );
699
700 p_y += i_source_margin;
701 if( i_y % 2 )
702 {
703 p_u += i_source_margin_c;
704 p_v += i_source_margin_c;
705 }
706 p_buffer = b_hscale ? p_buffer_start : p_pic;
707 }
708 }
709 else
710 {
711 /* use slower SSE2 unaligned fetch and store */
712 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
713 {
714 p_pic_start = p_pic;
715
716 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
717 {
718 SSE2_CALL (
719 SSE2_INIT_32_UNALIGNED
720 SSE2_YUV_MUL
721 SSE2_YUV_ADD
722 SSE2_UNPACK_32_ARGB_UNALIGNED
723 );
724 p_y += 16;
725 p_u += 8;
726 p_v += 8;
727 p_buffer += 16;
728 }
729
730 /* Here we do some unaligned reads and duplicate conversions, but
731 * at least we have all the pixels */
732 if( i_rewind )
733 {
734 p_y -= i_rewind;
735 p_u -= i_rewind >> 1;
736 p_v -= i_rewind >> 1;
737 p_buffer -= i_rewind;
738 SSE2_CALL (
739 SSE2_INIT_32_UNALIGNED
740 SSE2_YUV_MUL
741 SSE2_YUV_ADD
742 SSE2_UNPACK_32_ARGB_UNALIGNED
743 );
744 p_y += 16;
745 p_u += 8;
746 p_v += 8;
747 }
748 SCALE_WIDTH;
749 SCALE_HEIGHT( 420, 4 );
750
751 p_y += i_source_margin;
752 if( i_y % 2 )
753 {
754 p_u += i_source_margin_c;
755 p_v += i_source_margin_c;
756 }
757 p_buffer = b_hscale ? p_buffer_start : p_pic;
758 }
759 }
760
761 /* make sure all SSE2 stores are visible thereafter */
762 SSE2_END;
763
764 #else
765
766 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 7;
767
768 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
769 {
770 p_pic_start = p_pic;
771 p_buffer = b_hscale ? p_buffer_start : p_pic;
772
773 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 8; i_x--; )
774 {
775 MMX_CALL (
776 MMX_INIT_32
777 MMX_YUV_MUL
778 MMX_YUV_ADD
779 MMX_UNPACK_32_ARGB
780 );
781 p_y += 8;
782 p_u += 4;
783 p_v += 4;
784 p_buffer += 8;
785 }
786
787 /* Here we do some unaligned reads and duplicate conversions, but
788 * at least we have all the pixels */
789 if( i_rewind )
790 {
791 p_y -= i_rewind;
792 p_u -= i_rewind >> 1;
793 p_v -= i_rewind >> 1;
794 p_buffer -= i_rewind;
795 MMX_CALL (
796 MMX_INIT_32
797 MMX_YUV_MUL
798 MMX_YUV_ADD
799 MMX_UNPACK_32_ARGB
800 );
801 p_y += 8;
802 p_u += 4;
803 p_v += 4;
804 }
805 SCALE_WIDTH;
806 SCALE_HEIGHT( 420, 4 );
807
808 p_y += i_source_margin;
809 if( i_y % 2 )
810 {
811 p_u += i_source_margin_c;
812 p_v += i_source_margin_c;
813 }
814 }
815
816 /* re-enable FPU registers */
817 MMX_END;
818
819 #endif
820 }
821
822 VLC_TARGET
823 void I420_R8G8B8A8( filter_t *p_filter, picture_t *p_src, picture_t *p_dest )
824 {
825 filter_sys_t *p_sys = p_filter->p_sys;
826
827 /* We got this one from the old arguments */
828 uint32_t *p_pic = (uint32_t*)p_dest->p->p_pixels;
829 uint8_t *p_y = p_src->Y_PIXELS;
830 uint8_t *p_u = p_src->U_PIXELS;
831 uint8_t *p_v = p_src->V_PIXELS;
832
833 bool b_hscale; /* horizontal scaling type */
834 unsigned int i_vscale; /* vertical scaling type */
835 unsigned int i_x, i_y; /* horizontal and vertical indexes */
836
837 int i_right_margin;
838 int i_rewind;
839 int i_scale_count; /* scale modulo counter */
840 int i_chroma_width = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 2; /* chroma width */
841 uint32_t * p_pic_start; /* beginning of the current line for copy */
842 /* Conversion buffer pointer */
843 uint32_t * p_buffer_start;
844 uint32_t * p_buffer;
845
846 /* Offset array pointer */
847 int * p_offset_start = p_sys->p_offset;
848 int * p_offset;
849
850 const int i_source_margin = p_src->p[0].i_pitch
851 - p_src->p[0].i_visible_pitch
852 - p_filter->fmt_in.video.i_x_offset;
853 const int i_source_margin_c = p_src->p[1].i_pitch
854 - p_src->p[1].i_visible_pitch
855 - ( p_filter->fmt_in.video.i_x_offset / 2 );
856
857 i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
858
859 /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
860 * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
861 * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
862 SetOffset( (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width),
863 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height),
864 (p_filter->fmt_out.video.i_x_offset + p_filter->fmt_out.video.i_visible_width),
865 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height),
866 &b_hscale, &i_vscale, p_offset_start );
867
868 if(b_hscale &&
869 AllocateOrGrow(&p_sys->p_buffer, &p_sys->i_buffer_size,
870 p_filter->fmt_in.video.i_x_offset +
871 p_filter->fmt_in.video.i_visible_width,
872 p_sys->i_bytespp))
873 return;
874 else p_buffer_start = (uint32_t*)p_sys->p_buffer;
875
876 /*
877 * Perform conversion
878 */
879 i_scale_count = ( i_vscale == 1 ) ?
880 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height) :
881 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height);
882
883 #ifdef SSE2
884
885 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 15;
886
887 /*
888 ** SSE2 128 bits fetch/store instructions are faster
889 ** if memory access is 16 bytes aligned
890 */
891
892 p_buffer = b_hscale ? p_buffer_start : p_pic;
893
894 if( 0 == (15 & (p_src->p[Y_PLANE].i_pitch|
895 p_dest->p->i_pitch|
896 ((intptr_t)p_y)|
897 ((intptr_t)p_buffer))) )
898 {
899 /* use faster SSE2 aligned fetch and store */
900 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
901 {
902 p_pic_start = p_pic;
903
904 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
905 {
906 SSE2_CALL (
907 SSE2_INIT_32_ALIGNED
908 SSE2_YUV_MUL
909 SSE2_YUV_ADD
910 SSE2_UNPACK_32_RGBA_ALIGNED
911 );
912 p_y += 16;
913 p_u += 8;
914 p_v += 8;
915 p_buffer += 16;
916 }
917
918 /* Here we do some unaligned reads and duplicate conversions, but
919 * at least we have all the pixels */
920 if( i_rewind )
921 {
922 p_y -= i_rewind;
923 p_u -= i_rewind >> 1;
924 p_v -= i_rewind >> 1;
925 p_buffer -= i_rewind;
926 SSE2_CALL (
927 SSE2_INIT_32_UNALIGNED
928 SSE2_YUV_MUL
929 SSE2_YUV_ADD
930 SSE2_UNPACK_32_RGBA_UNALIGNED
931 );
932 p_y += 16;
933 p_u += 8;
934 p_v += 8;
935 }
936 SCALE_WIDTH;
937 SCALE_HEIGHT( 420, 4 );
938
939 p_y += i_source_margin;
940 if( i_y % 2 )
941 {
942 p_u += i_source_margin_c;
943 p_v += i_source_margin_c;
944 }
945 p_buffer = b_hscale ? p_buffer_start : p_pic;
946 }
947 }
948 else
949 {
950 /* use slower SSE2 unaligned fetch and store */
951 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
952 {
953 p_pic_start = p_pic;
954
955 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
956 {
957 SSE2_CALL (
958 SSE2_INIT_32_UNALIGNED
959 SSE2_YUV_MUL
960 SSE2_YUV_ADD
961 SSE2_UNPACK_32_RGBA_UNALIGNED
962 );
963 p_y += 16;
964 p_u += 8;
965 p_v += 8;
966 p_buffer += 16;
967 }
968
969 /* Here we do some unaligned reads and duplicate conversions, but
970 * at least we have all the pixels */
971 if( i_rewind )
972 {
973 p_y -= i_rewind;
974 p_u -= i_rewind >> 1;
975 p_v -= i_rewind >> 1;
976 p_buffer -= i_rewind;
977 SSE2_CALL (
978 SSE2_INIT_32_UNALIGNED
979 SSE2_YUV_MUL
980 SSE2_YUV_ADD
981 SSE2_UNPACK_32_RGBA_UNALIGNED
982 );
983 p_y += 16;
984 p_u += 8;
985 p_v += 8;
986 }
987 SCALE_WIDTH;
988 SCALE_HEIGHT( 420, 4 );
989
990 p_y += i_source_margin;
991 if( i_y % 2 )
992 {
993 p_u += i_source_margin_c;
994 p_v += i_source_margin_c;
995 }
996 p_buffer = b_hscale ? p_buffer_start : p_pic;
997 }
998 }
999
1000 /* make sure all SSE2 stores are visible thereafter */
1001 SSE2_END;
1002
1003 #else
1004
1005 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 7;
1006
1007 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1008 {
1009 p_pic_start = p_pic;
1010 p_buffer = b_hscale ? p_buffer_start : p_pic;
1011
1012 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 8; i_x--; )
1013 {
1014 MMX_CALL (
1015 MMX_INIT_32
1016 MMX_YUV_MUL
1017 MMX_YUV_ADD
1018 MMX_UNPACK_32_RGBA
1019 );
1020 p_y += 8;
1021 p_u += 4;
1022 p_v += 4;
1023 p_buffer += 8;
1024 }
1025
1026 /* Here we do some unaligned reads and duplicate conversions, but
1027 * at least we have all the pixels */
1028 if( i_rewind )
1029 {
1030 p_y -= i_rewind;
1031 p_u -= i_rewind >> 1;
1032 p_v -= i_rewind >> 1;
1033 p_buffer -= i_rewind;
1034 MMX_CALL (
1035 MMX_INIT_32
1036 MMX_YUV_MUL
1037 MMX_YUV_ADD
1038 MMX_UNPACK_32_RGBA
1039 );
1040 p_y += 8;
1041 p_u += 4;
1042 p_v += 4;
1043 }
1044 SCALE_WIDTH;
1045 SCALE_HEIGHT( 420, 4 );
1046
1047 p_y += i_source_margin;
1048 if( i_y % 2 )
1049 {
1050 p_u += i_source_margin_c;
1051 p_v += i_source_margin_c;
1052 }
1053 }
1054
1055 /* re-enable FPU registers */
1056 MMX_END;
1057
1058 #endif
1059 }
1060
1061 VLC_TARGET
1062 void I420_B8G8R8A8( filter_t *p_filter, picture_t *p_src, picture_t *p_dest )
1063 {
1064 filter_sys_t *p_sys = p_filter->p_sys;
1065
1066 /* We got this one from the old arguments */
1067 uint32_t *p_pic = (uint32_t*)p_dest->p->p_pixels;
1068 uint8_t *p_y = p_src->Y_PIXELS;
1069 uint8_t *p_u = p_src->U_PIXELS;
1070 uint8_t *p_v = p_src->V_PIXELS;
1071
1072 bool b_hscale; /* horizontal scaling type */
1073 unsigned int i_vscale; /* vertical scaling type */
1074 unsigned int i_x, i_y; /* horizontal and vertical indexes */
1075
1076 int i_right_margin;
1077 int i_rewind;
1078 int i_scale_count; /* scale modulo counter */
1079 int i_chroma_width = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 2; /* chroma width */
1080 uint32_t * p_pic_start; /* beginning of the current line for copy */
1081 /* Conversion buffer pointer */
1082 uint32_t * p_buffer_start;
1083 uint32_t * p_buffer;
1084
1085 /* Offset array pointer */
1086 int * p_offset_start = p_sys->p_offset;
1087 int * p_offset;
1088
1089 const int i_source_margin = p_src->p[0].i_pitch
1090 - p_src->p[0].i_visible_pitch
1091 - p_filter->fmt_in.video.i_x_offset;
1092 const int i_source_margin_c = p_src->p[1].i_pitch
1093 - p_src->p[1].i_visible_pitch
1094 - ( p_filter->fmt_in.video.i_x_offset / 2 );
1095
1096 i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
1097
1098 /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
1099 * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
1100 * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
1101 SetOffset( (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width),
1102 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height),
1103 (p_filter->fmt_out.video.i_x_offset + p_filter->fmt_out.video.i_visible_width),
1104 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height),
1105 &b_hscale, &i_vscale, p_offset_start );
1106
1107 if(b_hscale &&
1108 AllocateOrGrow(&p_sys->p_buffer, &p_sys->i_buffer_size,
1109 p_filter->fmt_in.video.i_x_offset +
1110 p_filter->fmt_in.video.i_visible_width,
1111 p_sys->i_bytespp))
1112 return;
1113 else p_buffer_start = (uint32_t*)p_sys->p_buffer;
1114
1115 /*
1116 * Perform conversion
1117 */
1118 i_scale_count = ( i_vscale == 1 ) ?
1119 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height) :
1120 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height);
1121
1122 #ifdef SSE2
1123
1124 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 15;
1125
1126 /*
1127 ** SSE2 128 bits fetch/store instructions are faster
1128 ** if memory access is 16 bytes aligned
1129 */
1130
1131 p_buffer = b_hscale ? p_buffer_start : p_pic;
1132
1133 if( 0 == (15 & (p_src->p[Y_PLANE].i_pitch|
1134 p_dest->p->i_pitch|
1135 ((intptr_t)p_y)|
1136 ((intptr_t)p_buffer))) )
1137 {
1138 /* use faster SSE2 aligned fetch and store */
1139 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1140 {
1141 p_pic_start = p_pic;
1142
1143 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
1144 {
1145 SSE2_CALL (
1146 SSE2_INIT_32_ALIGNED
1147 SSE2_YUV_MUL
1148 SSE2_YUV_ADD
1149 SSE2_UNPACK_32_BGRA_ALIGNED
1150 );
1151 p_y += 16;
1152 p_u += 8;
1153 p_v += 8;
1154 p_buffer += 16;
1155 }
1156
1157 /* Here we do some unaligned reads and duplicate conversions, but
1158 * at least we have all the pixels */
1159 if( i_rewind )
1160 {
1161 p_y -= i_rewind;
1162 p_u -= i_rewind >> 1;
1163 p_v -= i_rewind >> 1;
1164 p_buffer -= i_rewind;
1165 SSE2_CALL (
1166 SSE2_INIT_32_UNALIGNED
1167 SSE2_YUV_MUL
1168 SSE2_YUV_ADD
1169 SSE2_UNPACK_32_BGRA_UNALIGNED
1170 );
1171 p_y += 16;
1172 p_u += 8;
1173 p_v += 8;
1174 }
1175 SCALE_WIDTH;
1176 SCALE_HEIGHT( 420, 4 );
1177
1178 p_y += i_source_margin;
1179 if( i_y % 2 )
1180 {
1181 p_u += i_source_margin_c;
1182 p_v += i_source_margin_c;
1183 }
1184 p_buffer = b_hscale ? p_buffer_start : p_pic;
1185 }
1186 }
1187 else
1188 {
1189 /* use slower SSE2 unaligned fetch and store */
1190 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1191 {
1192 p_pic_start = p_pic;
1193
1194 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
1195 {
1196 SSE2_CALL (
1197 SSE2_INIT_32_UNALIGNED
1198 SSE2_YUV_MUL
1199 SSE2_YUV_ADD
1200 SSE2_UNPACK_32_BGRA_UNALIGNED
1201 );
1202 p_y += 16;
1203 p_u += 8;
1204 p_v += 8;
1205 p_buffer += 16;
1206 }
1207
1208 /* Here we do some unaligned reads and duplicate conversions, but
1209 * at least we have all the pixels */
1210 if( i_rewind )
1211 {
1212 p_y -= i_rewind;
1213 p_u -= i_rewind >> 1;
1214 p_v -= i_rewind >> 1;
1215 p_buffer -= i_rewind;
1216 SSE2_CALL (
1217 SSE2_INIT_32_UNALIGNED
1218 SSE2_YUV_MUL
1219 SSE2_YUV_ADD
1220 SSE2_UNPACK_32_BGRA_UNALIGNED
1221 );
1222 p_y += 16;
1223 p_u += 8;
1224 p_v += 8;
1225 }
1226 SCALE_WIDTH;
1227 SCALE_HEIGHT( 420, 4 );
1228
1229 p_y += i_source_margin;
1230 if( i_y % 2 )
1231 {
1232 p_u += i_source_margin_c;
1233 p_v += i_source_margin_c;
1234 }
1235 p_buffer = b_hscale ? p_buffer_start : p_pic;
1236 }
1237 }
1238
1239 /* make sure all SSE2 stores are visible thereafter */
1240 SSE2_END;
1241
1242 #else
1243
1244 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 7;
1245
1246 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1247 {
1248 p_pic_start = p_pic;
1249 p_buffer = b_hscale ? p_buffer_start : p_pic;
1250
1251 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 8; i_x--; )
1252 {
1253 MMX_CALL (
1254 MMX_INIT_32
1255 MMX_YUV_MUL
1256 MMX_YUV_ADD
1257 MMX_UNPACK_32_BGRA
1258 );
1259 p_y += 8;
1260 p_u += 4;
1261 p_v += 4;
1262 p_buffer += 8;
1263 }
1264
1265 /* Here we do some unaligned reads and duplicate conversions, but
1266 * at least we have all the pixels */
1267 if( i_rewind )
1268 {
1269 p_y -= i_rewind;
1270 p_u -= i_rewind >> 1;
1271 p_v -= i_rewind >> 1;
1272 p_buffer -= i_rewind;
1273 MMX_CALL (
1274 MMX_INIT_32
1275 MMX_YUV_MUL
1276 MMX_YUV_ADD
1277 MMX_UNPACK_32_BGRA
1278 );
1279 p_y += 8;
1280 p_u += 4;
1281 p_v += 4;
1282 }
1283 SCALE_WIDTH;
1284 SCALE_HEIGHT( 420, 4 );
1285
1286 p_y += i_source_margin;
1287 if( i_y % 2 )
1288 {
1289 p_u += i_source_margin_c;
1290 p_v += i_source_margin_c;
1291 }
1292 }
1293
1294 /* re-enable FPU registers */
1295 MMX_END;
1296
1297 #endif
1298 }
1299
1300 VLC_TARGET
1301 void I420_A8B8G8R8( filter_t *p_filter, picture_t *p_src, picture_t *p_dest )
1302 {
1303 filter_sys_t *p_sys = p_filter->p_sys;
1304
1305 /* We got this one from the old arguments */
1306 uint32_t *p_pic = (uint32_t*)p_dest->p->p_pixels;
1307 uint8_t *p_y = p_src->Y_PIXELS;
1308 uint8_t *p_u = p_src->U_PIXELS;
1309 uint8_t *p_v = p_src->V_PIXELS;
1310
1311 bool b_hscale; /* horizontal scaling type */
1312 unsigned int i_vscale; /* vertical scaling type */
1313 unsigned int i_x, i_y; /* horizontal and vertical indexes */
1314
1315 int i_right_margin;
1316 int i_rewind;
1317 int i_scale_count; /* scale modulo counter */
1318 int i_chroma_width = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 2; /* chroma width */
1319 uint32_t * p_pic_start; /* beginning of the current line for copy */
1320 /* Conversion buffer pointer */
1321 uint32_t * p_buffer_start;
1322 uint32_t * p_buffer;
1323
1324 /* Offset array pointer */
1325 int * p_offset_start = p_sys->p_offset;
1326 int * p_offset;
1327
1328 const int i_source_margin = p_src->p[0].i_pitch
1329 - p_src->p[0].i_visible_pitch
1330 - p_filter->fmt_in.video.i_x_offset;
1331 const int i_source_margin_c = p_src->p[1].i_pitch
1332 - p_src->p[1].i_visible_pitch
1333 - ( p_filter->fmt_in.video.i_x_offset / 2 );
1334
1335 i_right_margin = p_dest->p->i_pitch - p_dest->p->i_visible_pitch;
1336
1337 /* Rule: when a picture of size (x1,y1) with aspect ratio r1 is rendered
1338 * on a picture of size (x2,y2) with aspect ratio r2, if x1 grows to x1'
1339 * then y1 grows to y1' = x1' * y2/x2 * r2/r1 */
1340 SetOffset( (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width),
1341 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height),
1342 (p_filter->fmt_out.video.i_x_offset + p_filter->fmt_out.video.i_visible_width),
1343 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height),
1344 &b_hscale, &i_vscale, p_offset_start );
1345
1346 if(b_hscale &&
1347 AllocateOrGrow(&p_sys->p_buffer, &p_sys->i_buffer_size,
1348 p_filter->fmt_in.video.i_x_offset +
1349 p_filter->fmt_in.video.i_visible_width,
1350 p_sys->i_bytespp))
1351 return;
1352 else p_buffer_start = (uint32_t*)p_sys->p_buffer;
1353
1354 /*
1355 * Perform conversion
1356 */
1357 i_scale_count = ( i_vscale == 1 ) ?
1358 (p_filter->fmt_out.video.i_y_offset + p_filter->fmt_out.video.i_visible_height) :
1359 (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height);
1360
1361 #ifdef SSE2
1362
1363 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 15;
1364
1365 /*
1366 ** SSE2 128 bits fetch/store instructions are faster
1367 ** if memory access is 16 bytes aligned
1368 */
1369
1370 p_buffer = b_hscale ? p_buffer_start : p_pic;
1371
1372 if( 0 == (15 & (p_src->p[Y_PLANE].i_pitch|
1373 p_dest->p->i_pitch|
1374 ((intptr_t)p_y)|
1375 ((intptr_t)p_buffer))) )
1376 {
1377 /* use faster SSE2 aligned fetch and store */
1378 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1379 {
1380 p_pic_start = p_pic;
1381
1382 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
1383 {
1384 SSE2_CALL (
1385 SSE2_INIT_32_ALIGNED
1386 SSE2_YUV_MUL
1387 SSE2_YUV_ADD
1388 SSE2_UNPACK_32_ABGR_ALIGNED
1389 );
1390 p_y += 16;
1391 p_u += 8;
1392 p_v += 8;
1393 p_buffer += 16;
1394 }
1395
1396 /* Here we do some unaligned reads and duplicate conversions, but
1397 * at least we have all the pixels */
1398 if( i_rewind )
1399 {
1400 p_y -= i_rewind;
1401 p_u -= i_rewind >> 1;
1402 p_v -= i_rewind >> 1;
1403 p_buffer -= i_rewind;
1404 SSE2_CALL (
1405 SSE2_INIT_32_UNALIGNED
1406 SSE2_YUV_MUL
1407 SSE2_YUV_ADD
1408 SSE2_UNPACK_32_ABGR_UNALIGNED
1409 );
1410 p_y += 16;
1411 p_u += 8;
1412 p_v += 8;
1413 }
1414 SCALE_WIDTH;
1415 SCALE_HEIGHT( 420, 4 );
1416
1417 p_y += i_source_margin;
1418 if( i_y % 2 )
1419 {
1420 p_u += i_source_margin_c;
1421 p_v += i_source_margin_c;
1422 }
1423 p_buffer = b_hscale ? p_buffer_start : p_pic;
1424 }
1425 }
1426 else
1427 {
1428 /* use slower SSE2 unaligned fetch and store */
1429 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1430 {
1431 p_pic_start = p_pic;
1432
1433 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 16; i_x--; )
1434 {
1435 SSE2_CALL (
1436 SSE2_INIT_32_UNALIGNED
1437 SSE2_YUV_MUL
1438 SSE2_YUV_ADD
1439 SSE2_UNPACK_32_ABGR_UNALIGNED
1440 );
1441 p_y += 16;
1442 p_u += 8;
1443 p_v += 8;
1444 p_buffer += 16;
1445 }
1446
1447 /* Here we do some unaligned reads and duplicate conversions, but
1448 * at least we have all the pixels */
1449 if( i_rewind )
1450 {
1451 p_y -= i_rewind;
1452 p_u -= i_rewind >> 1;
1453 p_v -= i_rewind >> 1;
1454 p_buffer -= i_rewind;
1455 SSE2_CALL (
1456 SSE2_INIT_32_UNALIGNED
1457 SSE2_YUV_MUL
1458 SSE2_YUV_ADD
1459 SSE2_UNPACK_32_ABGR_UNALIGNED
1460 );
1461 p_y += 16;
1462 p_u += 8;
1463 p_v += 8;
1464 }
1465 SCALE_WIDTH;
1466 SCALE_HEIGHT( 420, 4 );
1467
1468 p_y += i_source_margin;
1469 if( i_y % 2 )
1470 {
1471 p_u += i_source_margin_c;
1472 p_v += i_source_margin_c;
1473 }
1474 p_buffer = b_hscale ? p_buffer_start : p_pic;
1475 }
1476 }
1477
1478 /* make sure all SSE2 stores are visible thereafter */
1479 SSE2_END;
1480
1481 #else
1482
1483 i_rewind = (-(p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width)) & 7;
1484
1485 for( i_y = 0; i_y < (p_filter->fmt_in.video.i_y_offset + p_filter->fmt_in.video.i_visible_height); i_y++ )
1486 {
1487 p_pic_start = p_pic;
1488 p_buffer = b_hscale ? p_buffer_start : p_pic;
1489
1490 for ( i_x = (p_filter->fmt_in.video.i_x_offset + p_filter->fmt_in.video.i_visible_width) / 8; i_x--; )
1491 {
1492 MMX_CALL (
1493 MMX_INIT_32
1494 MMX_YUV_MUL
1495 MMX_YUV_ADD
1496 MMX_UNPACK_32_ABGR
1497 );
1498 p_y += 8;
1499 p_u += 4;
1500 p_v += 4;
1501 p_buffer += 8;
1502 }
1503
1504 /* Here we do some unaligned reads and duplicate conversions, but
1505 * at least we have all the pixels */
1506 if( i_rewind )
1507 {
1508 p_y -= i_rewind;
1509 p_u -= i_rewind >> 1;
1510 p_v -= i_rewind >> 1;
1511 p_buffer -= i_rewind;
1512 MMX_CALL (
1513 MMX_INIT_32
1514 MMX_YUV_MUL
1515 MMX_YUV_ADD
1516 MMX_UNPACK_32_ABGR
1517 );
1518 p_y += 8;
1519 p_u += 4;
1520 p_v += 4;
1521 }
1522 SCALE_WIDTH;
1523 SCALE_HEIGHT( 420, 4 );
1524
1525 p_y += i_source_margin;
1526 if( i_y % 2 )
1527 {
1528 p_u += i_source_margin_c;
1529 p_v += i_source_margin_c;
1530 }
1531 }
1532
1533 /* re-enable FPU registers */
1534 MMX_END;
1535
1536 #endif
1537 }
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