2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 * the C code (not assembly, mmx, ...) of this file can be used
21 * under the LGPL license too
25 supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8
26 supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
27 {BGR,RGB}{1,4,8,15,16} support dithering
29 unscaled special converters (YV12=I420=IYUV, Y800=Y8)
30 YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
35 BGR24 -> BGR32 & RGB24 -> RGB32
36 BGR32 -> BGR24 & RGB32 -> RGB24
41 tested special converters (most are tested actually, but I did not write it down ...)
48 untested special converters
49 YV12/I420 -> BGR15/BGR24/BGR32 (it is the yuv2rgb stuff, so it should be OK)
50 YV12/I420 -> YV12/I420
51 YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format
52 BGR24 -> BGR32 & RGB24 -> RGB32
53 BGR32 -> BGR24 & RGB32 -> RGB24
57 #define _SVID_SOURCE //needed for MAP_ANONYMOUS
66 #if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
67 #define MAP_ANONYMOUS MAP_ANON
71 #define WIN32_LEAN_AND_MEAN
75 #include "swscale_internal.h"
77 #include "libavutil/x86_cpu.h"
78 #include "libavutil/bswap.h"
80 unsigned swscale_version(void)
82 return LIBSWSCALE_VERSION_INT
;
89 //#define HAVE_AMD3DNOW
94 #define FAST_BGR2YV12 // use 7 bit coefficients instead of 15 bit
96 #define RET 0xC3 //near return opcode for x86
101 #define PI 3.14159265358979323846
104 #define isSupportedIn(x) ( \
105 (x)==PIX_FMT_YUV420P \
106 || (x)==PIX_FMT_YUVA420P \
107 || (x)==PIX_FMT_YUYV422 \
108 || (x)==PIX_FMT_UYVY422 \
109 || (x)==PIX_FMT_RGB48BE \
110 || (x)==PIX_FMT_RGB48LE \
111 || (x)==PIX_FMT_RGB32 \
112 || (x)==PIX_FMT_RGB32_1 \
113 || (x)==PIX_FMT_BGR24 \
114 || (x)==PIX_FMT_BGR565 \
115 || (x)==PIX_FMT_BGR555 \
116 || (x)==PIX_FMT_BGR32 \
117 || (x)==PIX_FMT_BGR32_1 \
118 || (x)==PIX_FMT_RGB24 \
119 || (x)==PIX_FMT_RGB565 \
120 || (x)==PIX_FMT_RGB555 \
121 || (x)==PIX_FMT_GRAY8 \
122 || (x)==PIX_FMT_YUV410P \
123 || (x)==PIX_FMT_YUV440P \
124 || (x)==PIX_FMT_GRAY16BE \
125 || (x)==PIX_FMT_GRAY16LE \
126 || (x)==PIX_FMT_YUV444P \
127 || (x)==PIX_FMT_YUV422P \
128 || (x)==PIX_FMT_YUV411P \
129 || (x)==PIX_FMT_PAL8 \
130 || (x)==PIX_FMT_BGR8 \
131 || (x)==PIX_FMT_RGB8 \
132 || (x)==PIX_FMT_BGR4_BYTE \
133 || (x)==PIX_FMT_RGB4_BYTE \
134 || (x)==PIX_FMT_YUV440P \
135 || (x)==PIX_FMT_MONOWHITE \
136 || (x)==PIX_FMT_MONOBLACK \
137 || (x)==PIX_FMT_YUV420PLE \
138 || (x)==PIX_FMT_YUV422PLE \
139 || (x)==PIX_FMT_YUV444PLE \
140 || (x)==PIX_FMT_YUV420PBE \
141 || (x)==PIX_FMT_YUV422PBE \
142 || (x)==PIX_FMT_YUV444PBE \
144 #define isSupportedOut(x) ( \
145 (x)==PIX_FMT_YUV420P \
146 || (x)==PIX_FMT_YUVA420P \
147 || (x)==PIX_FMT_YUYV422 \
148 || (x)==PIX_FMT_UYVY422 \
149 || (x)==PIX_FMT_YUV444P \
150 || (x)==PIX_FMT_YUV422P \
151 || (x)==PIX_FMT_YUV411P \
154 || (x)==PIX_FMT_NV12 \
155 || (x)==PIX_FMT_NV21 \
156 || (x)==PIX_FMT_GRAY16BE \
157 || (x)==PIX_FMT_GRAY16LE \
158 || (x)==PIX_FMT_GRAY8 \
159 || (x)==PIX_FMT_YUV410P \
160 || (x)==PIX_FMT_YUV440P \
161 || (x)==PIX_FMT_YUV420PLE \
162 || (x)==PIX_FMT_YUV422PLE \
163 || (x)==PIX_FMT_YUV444PLE \
164 || (x)==PIX_FMT_YUV420PBE \
165 || (x)==PIX_FMT_YUV422PBE \
166 || (x)==PIX_FMT_YUV444PBE \
168 #define isPacked(x) ( \
170 || (x)==PIX_FMT_YUYV422 \
171 || (x)==PIX_FMT_UYVY422 \
175 #define usePal(x) ( \
177 || (x)==PIX_FMT_BGR4_BYTE \
178 || (x)==PIX_FMT_RGB4_BYTE \
179 || (x)==PIX_FMT_BGR8 \
180 || (x)==PIX_FMT_RGB8 \
183 #define RGB2YUV_SHIFT 15
184 #define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5))
185 #define BV (-(int)(0.081*224/255*(1<<RGB2YUV_SHIFT)+0.5))
186 #define BU ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
187 #define GY ( (int)(0.587*219/255*(1<<RGB2YUV_SHIFT)+0.5))
188 #define GV (-(int)(0.419*224/255*(1<<RGB2YUV_SHIFT)+0.5))
189 #define GU (-(int)(0.331*224/255*(1<<RGB2YUV_SHIFT)+0.5))
190 #define RY ( (int)(0.299*219/255*(1<<RGB2YUV_SHIFT)+0.5))
191 #define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
192 #define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5))
194 extern const int32_t ff_yuv2rgb_coeffs
[8][4];
196 static const double rgb2yuv_table
[8][9]={
197 {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
198 {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
199 {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
200 {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
201 {0.59 , 0.11 , 0.30 , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC
202 {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
203 {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //SMPTE 170M
204 {0.701 , 0.087 , 0.212 , -0.384, 0.5 -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M
209 Special versions: fast Y 1:1 scaling (no interpolation in y direction)
212 more intelligent misalignment avoidance for the horizontal scaler
213 write special vertical cubic upscale version
214 optimize C code (YV12 / minmax)
215 add support for packed pixel YUV input & output
216 add support for Y8 output
217 optimize BGR24 & BGR32
218 add BGR4 output support
219 write special BGR->BGR scaler
222 #if ARCH_X86 && CONFIG_GPL
223 DECLARE_ASM_CONST(8, uint64_t, bF8
)= 0xF8F8F8F8F8F8F8F8LL
;
224 DECLARE_ASM_CONST(8, uint64_t, bFC
)= 0xFCFCFCFCFCFCFCFCLL
;
225 DECLARE_ASM_CONST(8, uint64_t, w10
)= 0x0010001000100010LL
;
226 DECLARE_ASM_CONST(8, uint64_t, w02
)= 0x0002000200020002LL
;
227 DECLARE_ASM_CONST(8, uint64_t, bm00001111
)=0x00000000FFFFFFFFLL
;
228 DECLARE_ASM_CONST(8, uint64_t, bm00000111
)=0x0000000000FFFFFFLL
;
229 DECLARE_ASM_CONST(8, uint64_t, bm11111000
)=0xFFFFFFFFFF000000LL
;
230 DECLARE_ASM_CONST(8, uint64_t, bm01010101
)=0x00FF00FF00FF00FFLL
;
232 const DECLARE_ALIGNED(8, uint64_t, ff_dither4
[2]) = {
233 0x0103010301030103LL
,
234 0x0200020002000200LL
,};
236 const DECLARE_ALIGNED(8, uint64_t, ff_dither8
[2]) = {
237 0x0602060206020602LL
,
238 0x0004000400040004LL
,};
240 DECLARE_ASM_CONST(8, uint64_t, b16Mask
)= 0x001F001F001F001FLL
;
241 DECLARE_ASM_CONST(8, uint64_t, g16Mask
)= 0x07E007E007E007E0LL
;
242 DECLARE_ASM_CONST(8, uint64_t, r16Mask
)= 0xF800F800F800F800LL
;
243 DECLARE_ASM_CONST(8, uint64_t, b15Mask
)= 0x001F001F001F001FLL
;
244 DECLARE_ASM_CONST(8, uint64_t, g15Mask
)= 0x03E003E003E003E0LL
;
245 DECLARE_ASM_CONST(8, uint64_t, r15Mask
)= 0x7C007C007C007C00LL
;
247 DECLARE_ALIGNED(8, const uint64_t, ff_M24A
) = 0x00FF0000FF0000FFLL
;
248 DECLARE_ALIGNED(8, const uint64_t, ff_M24B
) = 0xFF0000FF0000FF00LL
;
249 DECLARE_ALIGNED(8, const uint64_t, ff_M24C
) = 0x0000FF0000FF0000LL
;
252 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff
) = 0x000000210041000DULL
;
253 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff
) = 0x0000FFEEFFDC0038ULL
;
254 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff
) = 0x00000038FFD2FFF8ULL
;
256 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff
) = 0x000020E540830C8BULL
;
257 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff
) = 0x0000ED0FDAC23831ULL
;
258 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff
) = 0x00003831D0E6F6EAULL
;
259 #endif /* FAST_BGR2YV12 */
260 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset
) = 0x1010101010101010ULL
;
261 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset
) = 0x8080808080808080ULL
;
262 DECLARE_ALIGNED(8, const uint64_t, ff_w1111
) = 0x0001000100010001ULL
;
264 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff
) = 0x0C88000040870C88ULL
;
265 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff
) = 0x20DE4087000020DEULL
;
266 DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff
) = 0x20DE0000408720DEULL
;
267 DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff
) = 0x0C88408700000C88ULL
;
268 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset
) = 0x0008400000084000ULL
;
270 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV
[2][4]) = {
271 {0x38380000DAC83838ULL
, 0xECFFDAC80000ECFFULL
, 0xF6E40000D0E3F6E4ULL
, 0x3838D0E300003838ULL
},
272 {0xECFF0000DAC8ECFFULL
, 0x3838DAC800003838ULL
, 0x38380000D0E33838ULL
, 0xF6E4D0E30000F6E4ULL
},
275 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset
)= 0x0040400000404000ULL
;
277 #endif /* ARCH_X86 && CONFIG_GPL */
279 // clipping helper table for C implementations:
280 static unsigned char clip_table
[768];
282 static SwsVector
*sws_getConvVec(SwsVector
*a
, SwsVector
*b
);
284 DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4
[2][8])={
285 { 1, 3, 1, 3, 1, 3, 1, 3, },
286 { 2, 0, 2, 0, 2, 0, 2, 0, },
289 DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8
[2][8])={
290 { 6, 2, 6, 2, 6, 2, 6, 2, },
291 { 0, 4, 0, 4, 0, 4, 0, 4, },
294 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32
[8][8])={
295 { 17, 9, 23, 15, 16, 8, 22, 14, },
296 { 5, 29, 3, 27, 4, 28, 2, 26, },
297 { 21, 13, 19, 11, 20, 12, 18, 10, },
298 { 0, 24, 6, 30, 1, 25, 7, 31, },
299 { 16, 8, 22, 14, 17, 9, 23, 15, },
300 { 4, 28, 2, 26, 5, 29, 3, 27, },
301 { 20, 12, 18, 10, 21, 13, 19, 11, },
302 { 1, 25, 7, 31, 0, 24, 6, 30, },
306 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_64
[8][8])={
307 { 0, 48, 12, 60, 3, 51, 15, 63, },
308 { 32, 16, 44, 28, 35, 19, 47, 31, },
309 { 8, 56, 4, 52, 11, 59, 7, 55, },
310 { 40, 24, 36, 20, 43, 27, 39, 23, },
311 { 2, 50, 14, 62, 1, 49, 13, 61, },
312 { 34, 18, 46, 30, 33, 17, 45, 29, },
313 { 10, 58, 6, 54, 9, 57, 5, 53, },
314 { 42, 26, 38, 22, 41, 25, 37, 21, },
318 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73
[8][8])={
319 { 0, 55, 14, 68, 3, 58, 17, 72, },
320 { 37, 18, 50, 32, 40, 22, 54, 35, },
321 { 9, 64, 5, 59, 13, 67, 8, 63, },
322 { 46, 27, 41, 23, 49, 31, 44, 26, },
323 { 2, 57, 16, 71, 1, 56, 15, 70, },
324 { 39, 21, 52, 34, 38, 19, 51, 33, },
325 { 11, 66, 7, 62, 10, 65, 6, 60, },
326 { 48, 30, 43, 25, 47, 29, 42, 24, },
330 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_128
[8][8])={
331 { 68, 36, 92, 60, 66, 34, 90, 58, },
332 { 20, 116, 12, 108, 18, 114, 10, 106, },
333 { 84, 52, 76, 44, 82, 50, 74, 42, },
334 { 0, 96, 24, 120, 6, 102, 30, 126, },
335 { 64, 32, 88, 56, 70, 38, 94, 62, },
336 { 16, 112, 8, 104, 22, 118, 14, 110, },
337 { 80, 48, 72, 40, 86, 54, 78, 46, },
338 { 4, 100, 28, 124, 2, 98, 26, 122, },
343 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220
[8][8])={
344 {117, 62, 158, 103, 113, 58, 155, 100, },
345 { 34, 199, 21, 186, 31, 196, 17, 182, },
346 {144, 89, 131, 76, 141, 86, 127, 72, },
347 { 0, 165, 41, 206, 10, 175, 52, 217, },
348 {110, 55, 151, 96, 120, 65, 162, 107, },
349 { 28, 193, 14, 179, 38, 203, 24, 189, },
350 {138, 83, 124, 69, 148, 93, 134, 79, },
351 { 7, 172, 48, 213, 3, 168, 45, 210, },
354 // tries to correct a gamma of 1.5
355 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220
[8][8])={
356 { 0, 143, 18, 200, 2, 156, 25, 215, },
357 { 78, 28, 125, 64, 89, 36, 138, 74, },
358 { 10, 180, 3, 161, 16, 195, 8, 175, },
359 {109, 51, 93, 38, 121, 60, 105, 47, },
360 { 1, 152, 23, 210, 0, 147, 20, 205, },
361 { 85, 33, 134, 71, 81, 30, 130, 67, },
362 { 14, 190, 6, 171, 12, 185, 5, 166, },
363 {117, 57, 101, 44, 113, 54, 97, 41, },
366 // tries to correct a gamma of 2.0
367 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220
[8][8])={
368 { 0, 124, 8, 193, 0, 140, 12, 213, },
369 { 55, 14, 104, 42, 66, 19, 119, 52, },
370 { 3, 168, 1, 145, 6, 187, 3, 162, },
371 { 86, 31, 70, 21, 99, 39, 82, 28, },
372 { 0, 134, 11, 206, 0, 129, 9, 200, },
373 { 62, 17, 114, 48, 58, 16, 109, 45, },
374 { 5, 181, 2, 157, 4, 175, 1, 151, },
375 { 95, 36, 78, 26, 90, 34, 74, 24, },
378 // tries to correct a gamma of 2.5
379 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220
[8][8])={
380 { 0, 107, 3, 187, 0, 125, 6, 212, },
381 { 39, 7, 86, 28, 49, 11, 102, 36, },
382 { 1, 158, 0, 131, 3, 180, 1, 151, },
383 { 68, 19, 52, 12, 81, 25, 64, 17, },
384 { 0, 119, 5, 203, 0, 113, 4, 195, },
385 { 45, 9, 96, 33, 42, 8, 91, 30, },
386 { 2, 172, 1, 144, 2, 165, 0, 137, },
387 { 77, 23, 60, 15, 72, 21, 56, 14, },
391 const char *sws_format_name(enum PixelFormat format
)
394 case PIX_FMT_YUV420P
:
396 case PIX_FMT_YUVA420P
:
398 case PIX_FMT_YUYV422
:
404 case PIX_FMT_YUV422P
:
406 case PIX_FMT_YUV444P
:
410 case PIX_FMT_YUV410P
:
412 case PIX_FMT_YUV411P
:
418 case PIX_FMT_GRAY16BE
:
420 case PIX_FMT_GRAY16LE
:
424 case PIX_FMT_MONOWHITE
:
426 case PIX_FMT_MONOBLACK
:
430 case PIX_FMT_YUVJ420P
:
432 case PIX_FMT_YUVJ422P
:
434 case PIX_FMT_YUVJ444P
:
436 case PIX_FMT_XVMC_MPEG2_MC
:
437 return "xvmc_mpeg2_mc";
438 case PIX_FMT_XVMC_MPEG2_IDCT
:
439 return "xvmc_mpeg2_idct";
440 case PIX_FMT_UYVY422
:
442 case PIX_FMT_UYYVYY411
:
444 case PIX_FMT_RGB32_1
:
446 case PIX_FMT_BGR32_1
:
458 case PIX_FMT_BGR4_BYTE
:
464 case PIX_FMT_RGB4_BYTE
:
466 case PIX_FMT_RGB48BE
:
468 case PIX_FMT_RGB48LE
:
474 case PIX_FMT_YUV440P
:
476 case PIX_FMT_VDPAU_H264
:
478 case PIX_FMT_VDPAU_MPEG1
:
479 return "vdpau_mpeg1";
480 case PIX_FMT_VDPAU_MPEG2
:
481 return "vdpau_mpeg2";
482 case PIX_FMT_VDPAU_WMV3
:
484 case PIX_FMT_VDPAU_VC1
:
486 case PIX_FMT_YUV420PLE
:
488 case PIX_FMT_YUV422PLE
:
490 case PIX_FMT_YUV444PLE
:
492 case PIX_FMT_YUV420PBE
:
494 case PIX_FMT_YUV422PBE
:
496 case PIX_FMT_YUV444PBE
:
499 return "Unknown format";
503 static inline void yuv2yuvXinC(const int16_t *lumFilter
, const int16_t **lumSrc
, int lumFilterSize
,
504 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
505 const int16_t **alpSrc
, uint8_t *dest
, uint8_t *uDest
, uint8_t *vDest
, uint8_t *aDest
, int dstW
, int chrDstW
)
507 //FIXME Optimize (just quickly written not optimized..)
509 for (i
=0; i
<dstW
; i
++)
513 for (j
=0; j
<lumFilterSize
; j
++)
514 val
+= lumSrc
[j
][i
] * lumFilter
[j
];
516 dest
[i
]= av_clip_uint8(val
>>19);
520 for (i
=0; i
<chrDstW
; i
++)
525 for (j
=0; j
<chrFilterSize
; j
++)
527 u
+= chrSrc
[j
][i
] * chrFilter
[j
];
528 v
+= chrSrc
[j
][i
+ VOFW
] * chrFilter
[j
];
531 uDest
[i
]= av_clip_uint8(u
>>19);
532 vDest
[i
]= av_clip_uint8(v
>>19);
535 if (CONFIG_SWSCALE_ALPHA
&& aDest
)
536 for (i
=0; i
<dstW
; i
++){
539 for (j
=0; j
<lumFilterSize
; j
++)
540 val
+= alpSrc
[j
][i
] * lumFilter
[j
];
542 aDest
[i
]= av_clip_uint8(val
>>19);
547 static inline void yuv2nv12XinC(const int16_t *lumFilter
, const int16_t **lumSrc
, int lumFilterSize
,
548 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
549 uint8_t *dest
, uint8_t *uDest
, int dstW
, int chrDstW
, int dstFormat
)
551 //FIXME Optimize (just quickly written not optimized..)
553 for (i
=0; i
<dstW
; i
++)
557 for (j
=0; j
<lumFilterSize
; j
++)
558 val
+= lumSrc
[j
][i
] * lumFilter
[j
];
560 dest
[i
]= av_clip_uint8(val
>>19);
566 if (dstFormat
== PIX_FMT_NV12
)
567 for (i
=0; i
<chrDstW
; i
++)
572 for (j
=0; j
<chrFilterSize
; j
++)
574 u
+= chrSrc
[j
][i
] * chrFilter
[j
];
575 v
+= chrSrc
[j
][i
+ VOFW
] * chrFilter
[j
];
578 uDest
[2*i
]= av_clip_uint8(u
>>19);
579 uDest
[2*i
+1]= av_clip_uint8(v
>>19);
582 for (i
=0; i
<chrDstW
; i
++)
587 for (j
=0; j
<chrFilterSize
; j
++)
589 u
+= chrSrc
[j
][i
] * chrFilter
[j
];
590 v
+= chrSrc
[j
][i
+ VOFW
] * chrFilter
[j
];
593 uDest
[2*i
]= av_clip_uint8(v
>>19);
594 uDest
[2*i
+1]= av_clip_uint8(u
>>19);
598 #define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \
599 for (i=0; i<(dstW>>1); i++){\
605 int av_unused A1, A2;\
606 type av_unused *r, *b, *g;\
609 for (j=0; j<lumFilterSize; j++)\
611 Y1 += lumSrc[j][i2] * lumFilter[j];\
612 Y2 += lumSrc[j][i2+1] * lumFilter[j];\
614 for (j=0; j<chrFilterSize; j++)\
616 U += chrSrc[j][i] * chrFilter[j];\
617 V += chrSrc[j][i+VOFW] * chrFilter[j];\
626 for (j=0; j<lumFilterSize; j++){\
627 A1 += alpSrc[j][i2 ] * lumFilter[j];\
628 A2 += alpSrc[j][i2+1] * lumFilter[j];\
634 #define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
635 YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\
636 if ((Y1|Y2|U|V)&256)\
638 if (Y1>255) Y1=255; \
639 else if (Y1<0)Y1=0; \
640 if (Y2>255) Y2=255; \
641 else if (Y2<0)Y2=0; \
647 if (alpha && ((A1|A2)&256)){\
648 A1=av_clip_uint8(A1);\
649 A2=av_clip_uint8(A2);\
652 #define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \
653 for (i=0; i<dstW; i++){\
661 for (j=0; j<lumFilterSize; j++){\
662 Y += lumSrc[j][i ] * lumFilter[j];\
664 for (j=0; j<chrFilterSize; j++){\
665 U += chrSrc[j][i ] * chrFilter[j];\
666 V += chrSrc[j][i+VOFW] * chrFilter[j];\
673 for (j=0; j<lumFilterSize; j++)\
674 A += alpSrc[j][i ] * lumFilter[j];\
677 A = av_clip_uint8(A);\
680 #define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
681 YSCALE_YUV_2_PACKEDX_FULL_C(rnd>>3,alpha)\
682 Y-= c->yuv2rgb_y_offset;\
683 Y*= c->yuv2rgb_y_coeff;\
685 R= Y + V*c->yuv2rgb_v2r_coeff;\
686 G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\
687 B= Y + U*c->yuv2rgb_u2b_coeff;\
688 if ((R|G|B)&(0xC0000000)){\
689 if (R>=(256<<22)) R=(256<<22)-1; \
691 if (G>=(256<<22)) G=(256<<22)-1; \
693 if (B>=(256<<22)) B=(256<<22)-1; \
698 #define YSCALE_YUV_2_GRAY16_C \
699 for (i=0; i<(dstW>>1); i++){\
708 for (j=0; j<lumFilterSize; j++)\
710 Y1 += lumSrc[j][i2] * lumFilter[j];\
711 Y2 += lumSrc[j][i2+1] * lumFilter[j];\
715 if ((Y1|Y2|U|V)&65536)\
717 if (Y1>65535) Y1=65535; \
718 else if (Y1<0)Y1=0; \
719 if (Y2>65535) Y2=65535; \
720 else if (Y2<0)Y2=0; \
723 #define YSCALE_YUV_2_RGBX_C(type,alpha) \
724 YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
725 r = (type *)c->table_rV[V]; \
726 g = (type *)(c->table_gU[U] + c->table_gV[V]); \
727 b = (type *)c->table_bU[U]; \
729 #define YSCALE_YUV_2_PACKED2_C(type,alpha) \
730 for (i=0; i<(dstW>>1); i++){ \
732 int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \
733 int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \
734 int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \
735 int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \
736 type av_unused *r, *b, *g; \
737 int av_unused A1, A2; \
739 A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \
740 A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \
743 #define YSCALE_YUV_2_GRAY16_2_C \
744 for (i=0; i<(dstW>>1); i++){ \
746 int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \
747 int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \
749 #define YSCALE_YUV_2_RGB2_C(type,alpha) \
750 YSCALE_YUV_2_PACKED2_C(type,alpha)\
751 r = (type *)c->table_rV[V];\
752 g = (type *)(c->table_gU[U] + c->table_gV[V]);\
753 b = (type *)c->table_bU[U];\
755 #define YSCALE_YUV_2_PACKED1_C(type,alpha) \
756 for (i=0; i<(dstW>>1); i++){\
758 int Y1= buf0[i2 ]>>7;\
759 int Y2= buf0[i2+1]>>7;\
760 int U= (uvbuf1[i ])>>7;\
761 int V= (uvbuf1[i+VOFW])>>7;\
762 type av_unused *r, *b, *g;\
763 int av_unused A1, A2;\
769 #define YSCALE_YUV_2_GRAY16_1_C \
770 for (i=0; i<(dstW>>1); i++){\
772 int Y1= buf0[i2 ]<<1;\
773 int Y2= buf0[i2+1]<<1;\
775 #define YSCALE_YUV_2_RGB1_C(type,alpha) \
776 YSCALE_YUV_2_PACKED1_C(type,alpha)\
777 r = (type *)c->table_rV[V];\
778 g = (type *)(c->table_gU[U] + c->table_gV[V]);\
779 b = (type *)c->table_bU[U];\
781 #define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
782 for (i=0; i<(dstW>>1); i++){\
784 int Y1= buf0[i2 ]>>7;\
785 int Y2= buf0[i2+1]>>7;\
786 int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\
787 int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\
788 type av_unused *r, *b, *g;\
789 int av_unused A1, A2;\
795 #define YSCALE_YUV_2_RGB1B_C(type,alpha) \
796 YSCALE_YUV_2_PACKED1B_C(type,alpha)\
797 r = (type *)c->table_rV[V];\
798 g = (type *)(c->table_gU[U] + c->table_gV[V]);\
799 b = (type *)c->table_bU[U];\
801 #define YSCALE_YUV_2_MONO2_C \
802 const uint8_t * const d128=dither_8x8_220[y&7];\
803 uint8_t *g= c->table_gU[128] + c->table_gV[128];\
804 for (i=0; i<dstW-7; i+=8){\
806 acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
807 acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
808 acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\
809 acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\
810 acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\
811 acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\
812 acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\
813 acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\
814 ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
819 #define YSCALE_YUV_2_MONOX_C \
820 const uint8_t * const d128=dither_8x8_220[y&7];\
821 uint8_t *g= c->table_gU[128] + c->table_gV[128];\
823 for (i=0; i<dstW-1; i+=2){\
828 for (j=0; j<lumFilterSize; j++)\
830 Y1 += lumSrc[j][i] * lumFilter[j];\
831 Y2 += lumSrc[j][i+1] * lumFilter[j];\
842 acc+= acc + g[Y1+d128[(i+0)&7]];\
843 acc+= acc + g[Y2+d128[(i+1)&7]];\
845 ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
851 #define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
852 switch(c->dstFormat)\
854 case PIX_FMT_RGB48BE:\
855 case PIX_FMT_RGB48LE:\
857 ((uint8_t*)dest)[ 0]= r[Y1];\
858 ((uint8_t*)dest)[ 1]= r[Y1];\
859 ((uint8_t*)dest)[ 2]= g[Y1];\
860 ((uint8_t*)dest)[ 3]= g[Y1];\
861 ((uint8_t*)dest)[ 4]= b[Y1];\
862 ((uint8_t*)dest)[ 5]= b[Y1];\
863 ((uint8_t*)dest)[ 6]= r[Y2];\
864 ((uint8_t*)dest)[ 7]= r[Y2];\
865 ((uint8_t*)dest)[ 8]= g[Y2];\
866 ((uint8_t*)dest)[ 9]= g[Y2];\
867 ((uint8_t*)dest)[10]= b[Y2];\
868 ((uint8_t*)dest)[11]= b[Y2];\
875 int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
876 func(uint32_t,needAlpha)\
877 ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\
878 ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\
881 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){\
883 ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\
884 ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\
888 ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
889 ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
897 int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
898 func(uint32_t,needAlpha)\
899 ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\
900 ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\
903 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){\
905 ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\
906 ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\
910 ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
911 ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
918 ((uint8_t*)dest)[0]= r[Y1];\
919 ((uint8_t*)dest)[1]= g[Y1];\
920 ((uint8_t*)dest)[2]= b[Y1];\
921 ((uint8_t*)dest)[3]= r[Y2];\
922 ((uint8_t*)dest)[4]= g[Y2];\
923 ((uint8_t*)dest)[5]= b[Y2];\
929 ((uint8_t*)dest)[0]= b[Y1];\
930 ((uint8_t*)dest)[1]= g[Y1];\
931 ((uint8_t*)dest)[2]= r[Y1];\
932 ((uint8_t*)dest)[3]= b[Y2];\
933 ((uint8_t*)dest)[4]= g[Y2];\
934 ((uint8_t*)dest)[5]= r[Y2];\
938 case PIX_FMT_RGB565:\
939 case PIX_FMT_BGR565:\
941 const int dr1= dither_2x2_8[y&1 ][0];\
942 const int dg1= dither_2x2_4[y&1 ][0];\
943 const int db1= dither_2x2_8[(y&1)^1][0];\
944 const int dr2= dither_2x2_8[y&1 ][1];\
945 const int dg2= dither_2x2_4[y&1 ][1];\
946 const int db2= dither_2x2_8[(y&1)^1][1];\
948 ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
949 ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
953 case PIX_FMT_RGB555:\
954 case PIX_FMT_BGR555:\
956 const int dr1= dither_2x2_8[y&1 ][0];\
957 const int dg1= dither_2x2_8[y&1 ][1];\
958 const int db1= dither_2x2_8[(y&1)^1][0];\
959 const int dr2= dither_2x2_8[y&1 ][1];\
960 const int dg2= dither_2x2_8[y&1 ][0];\
961 const int db2= dither_2x2_8[(y&1)^1][1];\
963 ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
964 ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
971 const uint8_t * const d64= dither_8x8_73[y&7];\
972 const uint8_t * const d32= dither_8x8_32[y&7];\
974 ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
975 ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
982 const uint8_t * const d64= dither_8x8_73 [y&7];\
983 const uint8_t * const d128=dither_8x8_220[y&7];\
985 ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
986 + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
990 case PIX_FMT_RGB4_BYTE:\
991 case PIX_FMT_BGR4_BYTE:\
993 const uint8_t * const d64= dither_8x8_73 [y&7];\
994 const uint8_t * const d128=dither_8x8_220[y&7];\
996 ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
997 ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
1001 case PIX_FMT_MONOBLACK:\
1002 case PIX_FMT_MONOWHITE:\
1007 case PIX_FMT_YUYV422:\
1009 ((uint8_t*)dest)[2*i2+0]= Y1;\
1010 ((uint8_t*)dest)[2*i2+1]= U;\
1011 ((uint8_t*)dest)[2*i2+2]= Y2;\
1012 ((uint8_t*)dest)[2*i2+3]= V;\
1015 case PIX_FMT_UYVY422:\
1017 ((uint8_t*)dest)[2*i2+0]= U;\
1018 ((uint8_t*)dest)[2*i2+1]= Y1;\
1019 ((uint8_t*)dest)[2*i2+2]= V;\
1020 ((uint8_t*)dest)[2*i2+3]= Y2;\
1023 case PIX_FMT_GRAY16BE:\
1025 ((uint8_t*)dest)[2*i2+0]= Y1>>8;\
1026 ((uint8_t*)dest)[2*i2+1]= Y1;\
1027 ((uint8_t*)dest)[2*i2+2]= Y2>>8;\
1028 ((uint8_t*)dest)[2*i2+3]= Y2;\
1031 case PIX_FMT_GRAY16LE:\
1033 ((uint8_t*)dest)[2*i2+0]= Y1;\
1034 ((uint8_t*)dest)[2*i2+1]= Y1>>8;\
1035 ((uint8_t*)dest)[2*i2+2]= Y2;\
1036 ((uint8_t*)dest)[2*i2+3]= Y2>>8;\
1042 static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1043 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
1044 const int16_t **alpSrc
, uint8_t *dest
, int dstW
, int y
)
1047 YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C
, YSCALE_YUV_2_PACKEDX_C(void,0), YSCALE_YUV_2_GRAY16_C
, YSCALE_YUV_2_MONOX_C
)
1050 static inline void yuv2rgbXinC_full(SwsContext
*c
, const int16_t *lumFilter
, const int16_t **lumSrc
, int lumFilterSize
,
1051 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
1052 const int16_t **alpSrc
, uint8_t *dest
, int dstW
, int y
)
1055 int step
= fmt_depth(c
->dstFormat
)/8;
1058 switch(c
->dstFormat
){
1066 int needAlpha
= CONFIG_SWSCALE_ALPHA
&& c
->alpPixBuf
;
1067 YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha
)
1068 dest
[aidx
]= needAlpha
? A
: 255;
1075 if (CONFIG_SWSCALE_ALPHA
&& c
->alpPixBuf
){
1076 YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
1084 YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
1101 int needAlpha
= CONFIG_SWSCALE_ALPHA
&& c
->alpPixBuf
;
1102 YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha
)
1103 dest
[aidx
]= needAlpha
? A
: 255;
1110 if (CONFIG_SWSCALE_ALPHA
&& c
->alpPixBuf
){
1111 YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
1119 YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
1134 static void fillPlane(uint8_t* plane
, int stride
, int width
, int height
, int y
, uint8_t val
){
1136 uint8_t *ptr
= plane
+ stride
*y
;
1137 for (i
=0; i
<height
; i
++){
1138 memset(ptr
, val
, width
);
1143 static inline void rgb48ToY(uint8_t *dst
, const uint8_t *src
, int width
)
1146 for (i
= 0; i
< width
; i
++) {
1151 dst
[i
] = (RY
*r
+ GY
*g
+ BY
*b
+ (33<<(RGB2YUV_SHIFT
-1))) >> RGB2YUV_SHIFT
;
1155 static inline void rgb48ToUV(uint8_t *dstU
, uint8_t *dstV
,
1156 uint8_t *src1
, uint8_t *src2
, int width
)
1160 for (i
= 0; i
< width
; i
++) {
1161 int r
= src1
[6*i
+ 0];
1162 int g
= src1
[6*i
+ 2];
1163 int b
= src1
[6*i
+ 4];
1165 dstU
[i
] = (RU
*r
+ GU
*g
+ BU
*b
+ (257<<(RGB2YUV_SHIFT
-1))) >> RGB2YUV_SHIFT
;
1166 dstV
[i
] = (RV
*r
+ GV
*g
+ BV
*b
+ (257<<(RGB2YUV_SHIFT
-1))) >> RGB2YUV_SHIFT
;
1170 static inline void rgb48ToUV_half(uint8_t *dstU
, uint8_t *dstV
,
1171 uint8_t *src1
, uint8_t *src2
, int width
)
1175 for (i
= 0; i
< width
; i
++) {
1176 int r
= src1
[12*i
+ 0] + src1
[12*i
+ 6];
1177 int g
= src1
[12*i
+ 2] + src1
[12*i
+ 8];
1178 int b
= src1
[12*i
+ 4] + src1
[12*i
+ 10];
1180 dstU
[i
]= (RU
*r
+ GU
*g
+ BU
*b
+ (257<<RGB2YUV_SHIFT
)) >> (RGB2YUV_SHIFT
+1);
1181 dstV
[i
]= (RV
*r
+ GV
*g
+ BV
*b
+ (257<<RGB2YUV_SHIFT
)) >> (RGB2YUV_SHIFT
+1);
1185 #define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
1186 static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\
1189 for (i=0; i<width; i++)\
1191 int b= (((const type*)src)[i]>>shb)&maskb;\
1192 int g= (((const type*)src)[i]>>shg)&maskg;\
1193 int r= (((const type*)src)[i]>>shr)&maskr;\
1195 dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\
1199 BGR2Y(uint32_t, bgr32ToY
,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY
<< 8, GY
, BY
<< 8, RGB2YUV_SHIFT
+8)
1200 BGR2Y(uint32_t, rgb32ToY
, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY
<< 8, GY
, BY
<< 8, RGB2YUV_SHIFT
+8)
1201 BGR2Y(uint16_t, bgr16ToY
, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY
<<11, GY
<<5, BY
, RGB2YUV_SHIFT
+8)
1202 BGR2Y(uint16_t, bgr15ToY
, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY
<<10, GY
<<5, BY
, RGB2YUV_SHIFT
+7)
1203 BGR2Y(uint16_t, rgb16ToY
, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY
, GY
<<5, BY
<<11, RGB2YUV_SHIFT
+8)
1204 BGR2Y(uint16_t, rgb15ToY
, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY
, GY
<<5, BY
<<10, RGB2YUV_SHIFT
+7)
1206 static inline void abgrToA(uint8_t *dst
, const uint8_t *src
, long width
, uint32_t *unused
){
1208 for (i
=0; i
<width
; i
++){
1213 #define BGR2UV(type, name, shr, shg, shb, maska, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\
1214 static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
1217 for (i=0; i<width; i++)\
1219 int b= (((const type*)src)[i]&maskb)>>shb;\
1220 int g= (((const type*)src)[i]&maskg)>>shg;\
1221 int r= (((const type*)src)[i]&maskr)>>shr;\
1223 dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
1224 dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\
1227 static inline void name ## _half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
1230 for (i=0; i<width; i++)\
1232 int pix0= ((const type*)src)[2*i+0];\
1233 int pix1= ((const type*)src)[2*i+1];\
1234 int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\
1235 int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\
1236 int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\
1237 g&= maskg|(2*maskg);\
1241 dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\
1242 dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\
1246 BGR2UV(uint32_t, bgr32ToUV
,16, 0, 0, 0xFF000000, 0xFF0000, 0xFF00, 0x00FF, RU
<< 8, GU
, BU
<< 8, RV
<< 8, GV
, BV
<< 8, RGB2YUV_SHIFT
+8)
1247 BGR2UV(uint32_t, rgb32ToUV
, 0, 0,16, 0xFF000000, 0x00FF, 0xFF00, 0xFF0000, RU
<< 8, GU
, BU
<< 8, RV
<< 8, GV
, BV
<< 8, RGB2YUV_SHIFT
+8)
1248 BGR2UV(uint16_t, bgr16ToUV
, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU
<<11, GU
<<5, BU
, RV
<<11, GV
<<5, BV
, RGB2YUV_SHIFT
+8)
1249 BGR2UV(uint16_t, bgr15ToUV
, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU
<<10, GU
<<5, BU
, RV
<<10, GV
<<5, BV
, RGB2YUV_SHIFT
+7)
1250 BGR2UV(uint16_t, rgb16ToUV
, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU
, GU
<<5, BU
<<11, RV
, GV
<<5, BV
<<11, RGB2YUV_SHIFT
+8)
1251 BGR2UV(uint16_t, rgb15ToUV
, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU
, GU
<<5, BU
<<10, RV
, GV
<<5, BV
<<10, RGB2YUV_SHIFT
+7)
1253 static inline void palToY(uint8_t *dst
, const uint8_t *src
, long width
, uint32_t *pal
)
1256 for (i
=0; i
<width
; i
++)
1260 dst
[i
]= pal
[d
] & 0xFF;
1264 static inline void palToUV(uint8_t *dstU
, uint8_t *dstV
,
1265 const uint8_t *src1
, const uint8_t *src2
,
1266 long width
, uint32_t *pal
)
1269 assert(src1
== src2
);
1270 for (i
=0; i
<width
; i
++)
1272 int p
= pal
[src1
[i
]];
1279 static inline void monowhite2Y(uint8_t *dst
, const uint8_t *src
, long width
, uint32_t *unused
)
1282 for (i
=0; i
<width
/8; i
++){
1285 dst
[8*i
+j
]= ((d
>>(7-j
))&1)*255;
1289 static inline void monoblack2Y(uint8_t *dst
, const uint8_t *src
, long width
, uint32_t *unused
)
1292 for (i
=0; i
<width
/8; i
++){
1295 dst
[8*i
+j
]= ((d
>>(7-j
))&1)*255;
1300 //Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
1302 #if ((!HAVE_MMX || !CONFIG_GPL) && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT
1307 #if HAVE_ALTIVEC || CONFIG_RUNTIME_CPUDETECT
1308 #define COMPILE_ALTIVEC
1314 #if ((HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
1318 #if (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
1319 #define COMPILE_MMX2
1322 #if ((HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
1323 #define COMPILE_3DNOW
1327 #define COMPILE_TEMPLATE_MMX 0
1328 #define COMPILE_TEMPLATE_MMX2 0
1329 #define COMPILE_TEMPLATE_AMD3DNOW 0
1330 #define COMPILE_TEMPLATE_ALTIVEC 0
1333 #define RENAME(a) a ## _C
1334 #include "swscale_template.c"
1337 #ifdef COMPILE_ALTIVEC
1339 #undef COMPILE_TEMPLATE_ALTIVEC
1340 #define COMPILE_TEMPLATE_ALTIVEC 1
1341 #define RENAME(a) a ## _altivec
1342 #include "swscale_template.c"
1350 #undef COMPILE_TEMPLATE_MMX
1351 #undef COMPILE_TEMPLATE_MMX2
1352 #undef COMPILE_TEMPLATE_AMD3DNOW
1353 #define COMPILE_TEMPLATE_MMX 1
1354 #define COMPILE_TEMPLATE_MMX2 0
1355 #define COMPILE_TEMPLATE_AMD3DNOW 0
1356 #define RENAME(a) a ## _MMX
1357 #include "swscale_template.c"
1363 #undef COMPILE_TEMPLATE_MMX
1364 #undef COMPILE_TEMPLATE_MMX2
1365 #undef COMPILE_TEMPLATE_AMD3DNOW
1366 #define COMPILE_TEMPLATE_MMX 1
1367 #define COMPILE_TEMPLATE_MMX2 1
1368 #define COMPILE_TEMPLATE_AMD3DNOW 0
1369 #define RENAME(a) a ## _MMX2
1370 #include "swscale_template.c"
1374 #ifdef COMPILE_3DNOW
1376 #undef COMPILE_TEMPLATE_MMX
1377 #undef COMPILE_TEMPLATE_MMX2
1378 #undef COMPILE_TEMPLATE_AMD3DNOW
1379 #define COMPILE_TEMPLATE_MMX 1
1380 #define COMPILE_TEMPLATE_MMX2 0
1381 #define COMPILE_TEMPLATE_AMD3DNOW 1
1382 #define RENAME(a) a ## _3DNow
1383 #include "swscale_template.c"
1388 static double getSplineCoeff(double a
, double b
, double c
, double d
, double dist
)
1390 // printf("%f %f %f %f %f\n", a,b,c,d,dist);
1391 if (dist
<=1.0) return ((d
*dist
+ c
)*dist
+ b
)*dist
+a
;
1392 else return getSplineCoeff( 0.0,
1399 static inline int initFilter(int16_t **outFilter
, int16_t **filterPos
, int *outFilterSize
, int xInc
,
1400 int srcW
, int dstW
, int filterAlign
, int one
, int flags
,
1401 SwsVector
*srcFilter
, SwsVector
*dstFilter
, double param
[2])
1407 int64_t *filter
=NULL
;
1408 int64_t *filter2
=NULL
;
1409 const int64_t fone
= 1LL<<54;
1412 if (flags
& SWS_CPU_CAPS_MMX
)
1413 __asm__
volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions)
1416 // NOTE: the +1 is for the MMX scaler which reads over the end
1417 *filterPos
= av_malloc((dstW
+1)*sizeof(int16_t));
1419 if (FFABS(xInc
- 0x10000) <10) // unscaled
1423 filter
= av_mallocz(dstW
*sizeof(*filter
)*filterSize
);
1425 for (i
=0; i
<dstW
; i
++)
1427 filter
[i
*filterSize
]= fone
;
1432 else if (flags
&SWS_POINT
) // lame looking point sampling mode
1437 filter
= av_malloc(dstW
*sizeof(*filter
)*filterSize
);
1439 xDstInSrc
= xInc
/2 - 0x8000;
1440 for (i
=0; i
<dstW
; i
++)
1442 int xx
= (xDstInSrc
- ((filterSize
-1)<<15) + (1<<15))>>16;
1444 (*filterPos
)[i
]= xx
;
1449 else if ((xInc
<= (1<<16) && (flags
&SWS_AREA
)) || (flags
&SWS_FAST_BILINEAR
)) // bilinear upscale
1454 filter
= av_malloc(dstW
*sizeof(*filter
)*filterSize
);
1456 xDstInSrc
= xInc
/2 - 0x8000;
1457 for (i
=0; i
<dstW
; i
++)
1459 int xx
= (xDstInSrc
- ((filterSize
-1)<<15) + (1<<15))>>16;
1462 (*filterPos
)[i
]= xx
;
1463 //bilinear upscale / linear interpolate / area averaging
1464 for (j
=0; j
<filterSize
; j
++)
1466 int64_t coeff
= fone
- FFABS((xx
<<16) - xDstInSrc
)*(fone
>>16);
1467 if (coeff
<0) coeff
=0;
1468 filter
[i
*filterSize
+ j
]= coeff
;
1479 if (flags
&SWS_BICUBIC
) sizeFactor
= 4;
1480 else if (flags
&SWS_X
) sizeFactor
= 8;
1481 else if (flags
&SWS_AREA
) sizeFactor
= 1; //downscale only, for upscale it is bilinear
1482 else if (flags
&SWS_GAUSS
) sizeFactor
= 8; // infinite ;)
1483 else if (flags
&SWS_LANCZOS
) sizeFactor
= param
[0] != SWS_PARAM_DEFAULT
? ceil(2*param
[0]) : 6;
1484 else if (flags
&SWS_SINC
) sizeFactor
= 20; // infinite ;)
1485 else if (flags
&SWS_SPLINE
) sizeFactor
= 20; // infinite ;)
1486 else if (flags
&SWS_BILINEAR
) sizeFactor
= 2;
1488 sizeFactor
= 0; //GCC warning killer
1492 if (xInc
<= 1<<16) filterSize
= 1 + sizeFactor
; // upscale
1493 else filterSize
= 1 + (sizeFactor
*srcW
+ dstW
- 1)/ dstW
;
1495 if (filterSize
> srcW
-2) filterSize
=srcW
-2;
1497 filter
= av_malloc(dstW
*sizeof(*filter
)*filterSize
);
1499 xDstInSrc
= xInc
- 0x10000;
1500 for (i
=0; i
<dstW
; i
++)
1502 int xx
= (xDstInSrc
- ((filterSize
-2)<<16)) / (1<<17);
1504 (*filterPos
)[i
]= xx
;
1505 for (j
=0; j
<filterSize
; j
++)
1507 int64_t d
= ((int64_t)FFABS((xx
<<17) - xDstInSrc
))<<13;
1513 floatd
= d
* (1.0/(1<<30));
1515 if (flags
& SWS_BICUBIC
)
1517 int64_t B
= (param
[0] != SWS_PARAM_DEFAULT
? param
[0] : 0) * (1<<24);
1518 int64_t C
= (param
[1] != SWS_PARAM_DEFAULT
? param
[1] : 0.6) * (1<<24);
1519 int64_t dd
= ( d
*d
)>>30;
1520 int64_t ddd
= (dd
*d
)>>30;
1523 coeff
= (12*(1<<24)-9*B
-6*C
)*ddd
+ (-18*(1<<24)+12*B
+6*C
)*dd
+ (6*(1<<24)-2*B
)*(1<<30);
1524 else if (d
< 1LL<<31)
1525 coeff
= (-B
-6*C
)*ddd
+ (6*B
+30*C
)*dd
+ (-12*B
-48*C
)*d
+ (8*B
+24*C
)*(1<<30);
1528 coeff
*= fone
>>(30+24);
1530 /* else if (flags & SWS_X)
1532 double p= param ? param*0.01 : 0.3;
1533 coeff = d ? sin(d*PI)/(d*PI) : 1.0;
1534 coeff*= pow(2.0, - p*d*d);
1536 else if (flags
& SWS_X
)
1538 double A
= param
[0] != SWS_PARAM_DEFAULT
? param
[0] : 1.0;
1545 if (c
<0.0) c
= -pow(-c
, A
);
1547 coeff
= (c
*0.5 + 0.5)*fone
;
1549 else if (flags
& SWS_AREA
)
1551 int64_t d2
= d
- (1<<29);
1552 if (d2
*xInc
< -(1LL<<(29+16))) coeff
= 1.0 * (1LL<<(30+16));
1553 else if (d2
*xInc
< (1LL<<(29+16))) coeff
= -d2
*xInc
+ (1LL<<(29+16));
1555 coeff
*= fone
>>(30+16);
1557 else if (flags
& SWS_GAUSS
)
1559 double p
= param
[0] != SWS_PARAM_DEFAULT
? param
[0] : 3.0;
1560 coeff
= (pow(2.0, - p
*floatd
*floatd
))*fone
;
1562 else if (flags
& SWS_SINC
)
1564 coeff
= (d
? sin(floatd
*PI
)/(floatd
*PI
) : 1.0)*fone
;
1566 else if (flags
& SWS_LANCZOS
)
1568 double p
= param
[0] != SWS_PARAM_DEFAULT
? param
[0] : 3.0;
1569 coeff
= (d
? sin(floatd
*PI
)*sin(floatd
*PI
/p
)/(floatd
*floatd
*PI
*PI
/p
) : 1.0)*fone
;
1570 if (floatd
>p
) coeff
=0;
1572 else if (flags
& SWS_BILINEAR
)
1575 if (coeff
<0) coeff
=0;
1576 coeff
*= fone
>> 30;
1578 else if (flags
& SWS_SPLINE
)
1580 double p
=-2.196152422706632;
1581 coeff
= getSplineCoeff(1.0, 0.0, p
, -p
-1.0, floatd
) * fone
;
1584 coeff
= 0.0; //GCC warning killer
1588 filter
[i
*filterSize
+ j
]= coeff
;
1595 /* apply src & dst Filter to filter -> filter2
1598 assert(filterSize
>0);
1599 filter2Size
= filterSize
;
1600 if (srcFilter
) filter2Size
+= srcFilter
->length
- 1;
1601 if (dstFilter
) filter2Size
+= dstFilter
->length
- 1;
1602 assert(filter2Size
>0);
1603 filter2
= av_mallocz(filter2Size
*dstW
*sizeof(*filter2
));
1605 for (i
=0; i
<dstW
; i
++)
1610 for (k
=0; k
<srcFilter
->length
; k
++){
1611 for (j
=0; j
<filterSize
; j
++)
1612 filter2
[i
*filter2Size
+ k
+ j
] += srcFilter
->coeff
[k
]*filter
[i
*filterSize
+ j
];
1615 for (j
=0; j
<filterSize
; j
++)
1616 filter2
[i
*filter2Size
+ j
]= filter
[i
*filterSize
+ j
];
1620 (*filterPos
)[i
]+= (filterSize
-1)/2 - (filter2Size
-1)/2;
1624 /* try to reduce the filter-size (step1 find size and shift left) */
1625 // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
1627 for (i
=dstW
-1; i
>=0; i
--)
1629 int min
= filter2Size
;
1633 /* get rid off near zero elements on the left by shifting left */
1634 for (j
=0; j
<filter2Size
; j
++)
1637 cutOff
+= FFABS(filter2
[i
*filter2Size
]);
1639 if (cutOff
> SWS_MAX_REDUCE_CUTOFF
*fone
) break;
1641 /* preserve monotonicity because the core can't handle the filter otherwise */
1642 if (i
<dstW
-1 && (*filterPos
)[i
] >= (*filterPos
)[i
+1]) break;
1644 // move filter coefficients left
1645 for (k
=1; k
<filter2Size
; k
++)
1646 filter2
[i
*filter2Size
+ k
- 1]= filter2
[i
*filter2Size
+ k
];
1647 filter2
[i
*filter2Size
+ k
- 1]= 0;
1652 /* count near zeros on the right */
1653 for (j
=filter2Size
-1; j
>0; j
--)
1655 cutOff
+= FFABS(filter2
[i
*filter2Size
+ j
]);
1657 if (cutOff
> SWS_MAX_REDUCE_CUTOFF
*fone
) break;
1661 if (min
>minFilterSize
) minFilterSize
= min
;
1664 if (flags
& SWS_CPU_CAPS_ALTIVEC
) {
1665 // we can handle the special case 4,
1666 // so we don't want to go to the full 8
1667 if (minFilterSize
< 5)
1670 // We really don't want to waste our time
1671 // doing useless computation, so fall back on
1672 // the scalar C code for very small filters.
1673 // Vectorizing is worth it only if you have a
1674 // decent-sized vector.
1675 if (minFilterSize
< 3)
1679 if (flags
& SWS_CPU_CAPS_MMX
) {
1680 // special case for unscaled vertical filtering
1681 if (minFilterSize
== 1 && filterAlign
== 2)
1685 assert(minFilterSize
> 0);
1686 filterSize
= (minFilterSize
+(filterAlign
-1)) & (~(filterAlign
-1));
1687 assert(filterSize
> 0);
1688 filter
= av_malloc(filterSize
*dstW
*sizeof(*filter
));
1689 if (filterSize
>= MAX_FILTER_SIZE
*16/((flags
&SWS_ACCURATE_RND
) ? APCK_SIZE
: 16) || !filter
)
1691 *outFilterSize
= filterSize
;
1693 if (flags
&SWS_PRINT_INFO
)
1694 av_log(NULL
, AV_LOG_VERBOSE
, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size
, filterSize
);
1695 /* try to reduce the filter-size (step2 reduce it) */
1696 for (i
=0; i
<dstW
; i
++)
1700 for (j
=0; j
<filterSize
; j
++)
1702 if (j
>=filter2Size
) filter
[i
*filterSize
+ j
]= 0;
1703 else filter
[i
*filterSize
+ j
]= filter2
[i
*filter2Size
+ j
];
1704 if((flags
& SWS_BITEXACT
) && j
>=minFilterSize
)
1705 filter
[i
*filterSize
+ j
]= 0;
1710 //FIXME try to align filterPos if possible
1713 for (i
=0; i
<dstW
; i
++)
1716 if ((*filterPos
)[i
] < 0)
1718 // move filter coefficients left to compensate for filterPos
1719 for (j
=1; j
<filterSize
; j
++)
1721 int left
= FFMAX(j
+ (*filterPos
)[i
], 0);
1722 filter
[i
*filterSize
+ left
] += filter
[i
*filterSize
+ j
];
1723 filter
[i
*filterSize
+ j
]=0;
1728 if ((*filterPos
)[i
] + filterSize
> srcW
)
1730 int shift
= (*filterPos
)[i
] + filterSize
- srcW
;
1731 // move filter coefficients right to compensate for filterPos
1732 for (j
=filterSize
-2; j
>=0; j
--)
1734 int right
= FFMIN(j
+ shift
, filterSize
-1);
1735 filter
[i
*filterSize
+right
] += filter
[i
*filterSize
+j
];
1736 filter
[i
*filterSize
+j
]=0;
1738 (*filterPos
)[i
]= srcW
- filterSize
;
1742 // Note the +1 is for the MMX scaler which reads over the end
1743 /* align at 16 for AltiVec (needed by hScale_altivec_real) */
1744 *outFilter
= av_mallocz(*outFilterSize
*(dstW
+1)*sizeof(int16_t));
1746 /* normalize & store in outFilter */
1747 for (i
=0; i
<dstW
; i
++)
1753 for (j
=0; j
<filterSize
; j
++)
1755 sum
+= filter
[i
*filterSize
+ j
];
1757 sum
= (sum
+ one
/2)/ one
;
1758 for (j
=0; j
<*outFilterSize
; j
++)
1760 int64_t v
= filter
[i
*filterSize
+ j
] + error
;
1761 int intV
= ROUNDED_DIV(v
, sum
);
1762 (*outFilter
)[i
*(*outFilterSize
) + j
]= intV
;
1763 error
= v
- intV
*sum
;
1767 (*filterPos
)[dstW
]= (*filterPos
)[dstW
-1]; // the MMX scaler will read over the end
1768 for (i
=0; i
<*outFilterSize
; i
++)
1770 int j
= dstW
*(*outFilterSize
);
1771 (*outFilter
)[j
+ i
]= (*outFilter
)[j
+ i
- (*outFilterSize
)];
1782 static void initMMX2HScaler(int dstW
, int xInc
, uint8_t *funnyCode
, int16_t *filter
, int32_t *filterPos
, int numSplits
)
1785 x86_reg imm8OfPShufW1A
;
1786 x86_reg imm8OfPShufW2A
;
1787 x86_reg fragmentLengthA
;
1789 x86_reg imm8OfPShufW1B
;
1790 x86_reg imm8OfPShufW2B
;
1791 x86_reg fragmentLengthB
;
1796 // create an optimized horizontal scaling routine
1804 "movq (%%"REG_d
", %%"REG_a
"), %%mm3 \n\t"
1805 "movd (%%"REG_c
", %%"REG_S
"), %%mm0 \n\t"
1806 "movd 1(%%"REG_c
", %%"REG_S
"), %%mm1 \n\t"
1807 "punpcklbw %%mm7, %%mm1 \n\t"
1808 "punpcklbw %%mm7, %%mm0 \n\t"
1809 "pshufw $0xFF, %%mm1, %%mm1 \n\t"
1811 "pshufw $0xFF, %%mm0, %%mm0 \n\t"
1813 "psubw %%mm1, %%mm0 \n\t"
1814 "movl 8(%%"REG_b
", %%"REG_a
"), %%esi \n\t"
1815 "pmullw %%mm3, %%mm0 \n\t"
1816 "psllw $7, %%mm1 \n\t"
1817 "paddw %%mm1, %%mm0 \n\t"
1819 "movq %%mm0, (%%"REG_D
", %%"REG_a
") \n\t"
1821 "add $8, %%"REG_a
" \n\t"
1825 "lea " LOCAL_MANGLE(0b
) ", %0 \n\t"
1826 "lea " LOCAL_MANGLE(1b
) ", %1 \n\t"
1827 "lea " LOCAL_MANGLE(2b
) ", %2 \n\t"
1832 "lea " LOCAL_MANGLE(9b
) ", %3 \n\t"
1836 :"=r" (fragmentA
), "=r" (imm8OfPShufW1A
), "=r" (imm8OfPShufW2A
),
1837 "=r" (fragmentLengthA
)
1844 "movq (%%"REG_d
", %%"REG_a
"), %%mm3 \n\t"
1845 "movd (%%"REG_c
", %%"REG_S
"), %%mm0 \n\t"
1846 "punpcklbw %%mm7, %%mm0 \n\t"
1847 "pshufw $0xFF, %%mm0, %%mm1 \n\t"
1849 "pshufw $0xFF, %%mm0, %%mm0 \n\t"
1851 "psubw %%mm1, %%mm0 \n\t"
1852 "movl 8(%%"REG_b
", %%"REG_a
"), %%esi \n\t"
1853 "pmullw %%mm3, %%mm0 \n\t"
1854 "psllw $7, %%mm1 \n\t"
1855 "paddw %%mm1, %%mm0 \n\t"
1857 "movq %%mm0, (%%"REG_D
", %%"REG_a
") \n\t"
1859 "add $8, %%"REG_a
" \n\t"
1863 "lea " LOCAL_MANGLE(0b
) ", %0 \n\t"
1864 "lea " LOCAL_MANGLE(1b
) ", %1 \n\t"
1865 "lea " LOCAL_MANGLE(2b
) ", %2 \n\t"
1870 "lea " LOCAL_MANGLE(9b
) ", %3 \n\t"
1874 :"=r" (fragmentB
), "=r" (imm8OfPShufW1B
), "=r" (imm8OfPShufW2B
),
1875 "=r" (fragmentLengthB
)
1878 xpos
= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
1881 for (i
=0; i
<dstW
/numSplits
; i
++)
1888 int b
=((xpos
+xInc
)>>16) - xx
;
1889 int c
=((xpos
+xInc
*2)>>16) - xx
;
1890 int d
=((xpos
+xInc
*3)>>16) - xx
;
1892 uint8_t *fragment
= (d
+1<4) ? fragmentB
: fragmentA
;
1893 x86_reg imm8OfPShufW1
= (d
+1<4) ? imm8OfPShufW1B
: imm8OfPShufW1A
;
1894 x86_reg imm8OfPShufW2
= (d
+1<4) ? imm8OfPShufW2B
: imm8OfPShufW2A
;
1895 x86_reg fragmentLength
= (d
+1<4) ? fragmentLengthB
: fragmentLengthA
;
1896 int maxShift
= 3-(d
+inc
);
1899 filter
[i
] = (( xpos
& 0xFFFF) ^ 0xFFFF)>>9;
1900 filter
[i
+1] = (((xpos
+xInc
) & 0xFFFF) ^ 0xFFFF)>>9;
1901 filter
[i
+2] = (((xpos
+xInc
*2) & 0xFFFF) ^ 0xFFFF)>>9;
1902 filter
[i
+3] = (((xpos
+xInc
*3) & 0xFFFF) ^ 0xFFFF)>>9;
1905 memcpy(funnyCode
+ fragmentPos
, fragment
, fragmentLength
);
1907 funnyCode
[fragmentPos
+ imm8OfPShufW1
]=
1908 (a
+inc
) | ((b
+inc
)<<2) | ((c
+inc
)<<4) | ((d
+inc
)<<6);
1909 funnyCode
[fragmentPos
+ imm8OfPShufW2
]=
1910 a
| (b
<<2) | (c
<<4) | (d
<<6);
1912 if (i
+4-inc
>=dstW
) shift
=maxShift
; //avoid overread
1913 else if ((filterPos
[i
/2]&3) <= maxShift
) shift
=filterPos
[i
/2]&3; //Align
1915 if (shift
&& i
>=shift
)
1917 funnyCode
[fragmentPos
+ imm8OfPShufW1
]+= 0x55*shift
;
1918 funnyCode
[fragmentPos
+ imm8OfPShufW2
]+= 0x55*shift
;
1919 filterPos
[i
/2]-=shift
;
1922 fragmentPos
+= fragmentLength
;
1924 funnyCode
[fragmentPos
]= RET
;
1928 filterPos
[((i
/2)+1)&(~1)]= xpos
>>16; // needed to jump to the next part
1930 #endif /* COMPILE_MMX2 */
1932 static void globalInit(void){
1933 // generating tables:
1935 for (i
=0; i
<768; i
++){
1936 int c
= av_clip_uint8(i
-256);
1941 static SwsFunc
getSwsFunc(SwsContext
*c
)
1943 #if CONFIG_RUNTIME_CPUDETECT
1944 int flags
= c
->flags
;
1946 #if ARCH_X86 && CONFIG_GPL
1947 // ordered per speed fastest first
1948 if (flags
& SWS_CPU_CAPS_MMX2
) {
1949 sws_init_swScale_MMX2(c
);
1950 return swScale_MMX2
;
1951 } else if (flags
& SWS_CPU_CAPS_3DNOW
) {
1952 sws_init_swScale_3DNow(c
);
1953 return swScale_3DNow
;
1954 } else if (flags
& SWS_CPU_CAPS_MMX
) {
1955 sws_init_swScale_MMX(c
);
1958 sws_init_swScale_C(c
);
1964 if (flags
& SWS_CPU_CAPS_ALTIVEC
) {
1965 sws_init_swScale_altivec(c
);
1966 return swScale_altivec
;
1968 sws_init_swScale_C(c
);
1972 sws_init_swScale_C(c
);
1974 #endif /* ARCH_X86 && CONFIG_GPL */
1975 #else //CONFIG_RUNTIME_CPUDETECT
1976 #if COMPILE_TEMPLATE_MMX2
1977 sws_init_swScale_MMX2(c
);
1978 return swScale_MMX2
;
1979 #elif COMPILE_TEMPLATE_AMD3DNOW
1980 sws_init_swScale_3DNow(c
);
1981 return swScale_3DNow
;
1982 #elif COMPILE_TEMPLATE_MMX
1983 sws_init_swScale_MMX(c
);
1985 #elif COMPILE_TEMPLATE_ALTIVEC
1986 sws_init_swScale_altivec(c
);
1987 return swScale_altivec
;
1989 sws_init_swScale_C(c
);
1992 #endif //!CONFIG_RUNTIME_CPUDETECT
1995 static int PlanarToNV12Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
1996 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
1997 uint8_t *dst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
1999 if (dstStride
[0]==srcStride
[0] && srcStride
[0] > 0)
2000 memcpy(dst
, src
[0], srcSliceH
*dstStride
[0]);
2004 const uint8_t *srcPtr
= src
[0];
2005 uint8_t *dstPtr
= dst
;
2006 for (i
=0; i
<srcSliceH
; i
++)
2008 memcpy(dstPtr
, srcPtr
, c
->srcW
);
2009 srcPtr
+= srcStride
[0];
2010 dstPtr
+= dstStride
[0];
2013 dst
= dstParam
[1] + dstStride
[1]*srcSliceY
/2;
2014 if (c
->dstFormat
== PIX_FMT_NV12
)
2015 interleaveBytes(src
[1], src
[2], dst
, c
->srcW
/2, srcSliceH
/2, srcStride
[1], srcStride
[2], dstStride
[0]);
2017 interleaveBytes(src
[2], src
[1], dst
, c
->srcW
/2, srcSliceH
/2, srcStride
[2], srcStride
[1], dstStride
[0]);
2022 static int PlanarToYuy2Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2023 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2024 uint8_t *dst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2026 yv12toyuy2(src
[0], src
[1], src
[2], dst
, c
->srcW
, srcSliceH
, srcStride
[0], srcStride
[1], dstStride
[0]);
2031 static int PlanarToUyvyWrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2032 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2033 uint8_t *dst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2035 yv12touyvy(src
[0], src
[1], src
[2], dst
, c
->srcW
, srcSliceH
, srcStride
[0], srcStride
[1], dstStride
[0]);
2040 static int YUV422PToYuy2Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2041 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2042 uint8_t *dst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2044 yuv422ptoyuy2(src
[0],src
[1],src
[2],dst
,c
->srcW
,srcSliceH
,srcStride
[0],srcStride
[1],dstStride
[0]);
2049 static int YUV422PToUyvyWrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2050 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2051 uint8_t *dst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2053 yuv422ptouyvy(src
[0],src
[1],src
[2],dst
,c
->srcW
,srcSliceH
,srcStride
[0],srcStride
[1],dstStride
[0]);
2058 static int YUYV2YUV420Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2059 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2060 uint8_t *ydst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2061 uint8_t *udst
=dstParam
[1] + dstStride
[1]*srcSliceY
/2;
2062 uint8_t *vdst
=dstParam
[2] + dstStride
[2]*srcSliceY
/2;
2064 yuyvtoyuv420(ydst
, udst
, vdst
, src
[0], c
->srcW
, srcSliceH
, dstStride
[0], dstStride
[1], srcStride
[0]);
2067 fillPlane(dstParam
[3], dstStride
[3], c
->srcW
, srcSliceH
, srcSliceY
, 255);
2072 static int YUYV2YUV422Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2073 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2074 uint8_t *ydst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2075 uint8_t *udst
=dstParam
[1] + dstStride
[1]*srcSliceY
;
2076 uint8_t *vdst
=dstParam
[2] + dstStride
[2]*srcSliceY
;
2078 yuyvtoyuv422(ydst
, udst
, vdst
, src
[0], c
->srcW
, srcSliceH
, dstStride
[0], dstStride
[1], srcStride
[0]);
2083 static int UYVY2YUV420Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2084 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2085 uint8_t *ydst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2086 uint8_t *udst
=dstParam
[1] + dstStride
[1]*srcSliceY
/2;
2087 uint8_t *vdst
=dstParam
[2] + dstStride
[2]*srcSliceY
/2;
2089 uyvytoyuv420(ydst
, udst
, vdst
, src
[0], c
->srcW
, srcSliceH
, dstStride
[0], dstStride
[1], srcStride
[0]);
2092 fillPlane(dstParam
[3], dstStride
[3], c
->srcW
, srcSliceH
, srcSliceY
, 255);
2097 static int UYVY2YUV422Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2098 int srcSliceH
, uint8_t* dstParam
[], int dstStride
[]){
2099 uint8_t *ydst
=dstParam
[0] + dstStride
[0]*srcSliceY
;
2100 uint8_t *udst
=dstParam
[1] + dstStride
[1]*srcSliceY
;
2101 uint8_t *vdst
=dstParam
[2] + dstStride
[2]*srcSliceY
;
2103 uyvytoyuv422(ydst
, udst
, vdst
, src
[0], c
->srcW
, srcSliceH
, dstStride
[0], dstStride
[1], srcStride
[0]);
2108 static int pal2rgbWrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2109 int srcSliceH
, uint8_t* dst
[], int dstStride
[]){
2110 const enum PixelFormat srcFormat
= c
->srcFormat
;
2111 const enum PixelFormat dstFormat
= c
->dstFormat
;
2112 void (*conv
)(const uint8_t *src
, uint8_t *dst
, long num_pixels
,
2113 const uint8_t *palette
)=NULL
;
2115 uint8_t *dstPtr
= dst
[0] + dstStride
[0]*srcSliceY
;
2116 uint8_t *srcPtr
= src
[0];
2118 if (!usePal(srcFormat
))
2119 av_log(c
, AV_LOG_ERROR
, "internal error %s -> %s converter\n",
2120 sws_format_name(srcFormat
), sws_format_name(dstFormat
));
2123 case PIX_FMT_RGB32
: conv
= palette8topacked32
; break;
2124 case PIX_FMT_BGR32
: conv
= palette8topacked32
; break;
2125 case PIX_FMT_BGR32_1
: conv
= palette8topacked32
; break;
2126 case PIX_FMT_RGB32_1
: conv
= palette8topacked32
; break;
2127 case PIX_FMT_RGB24
: conv
= palette8topacked24
; break;
2128 case PIX_FMT_BGR24
: conv
= palette8topacked24
; break;
2129 default: av_log(c
, AV_LOG_ERROR
, "internal error %s -> %s converter\n",
2130 sws_format_name(srcFormat
), sws_format_name(dstFormat
)); break;
2134 for (i
=0; i
<srcSliceH
; i
++) {
2135 conv(srcPtr
, dstPtr
, c
->srcW
, (uint8_t *) c
->pal_rgb
);
2136 srcPtr
+= srcStride
[0];
2137 dstPtr
+= dstStride
[0];
2143 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
2144 static int rgb2rgbWrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2145 int srcSliceH
, uint8_t* dst
[], int dstStride
[]){
2146 const enum PixelFormat srcFormat
= c
->srcFormat
;
2147 const enum PixelFormat dstFormat
= c
->dstFormat
;
2148 const int srcBpp
= (fmt_depth(srcFormat
) + 7) >> 3;
2149 const int dstBpp
= (fmt_depth(dstFormat
) + 7) >> 3;
2150 const int srcId
= fmt_depth(srcFormat
) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */
2151 const int dstId
= fmt_depth(dstFormat
) >> 2;
2152 void (*conv
)(const uint8_t *src
, uint8_t *dst
, long src_size
)=NULL
;
2155 if ( (isBGR(srcFormat
) && isBGR(dstFormat
))
2156 || (isRGB(srcFormat
) && isRGB(dstFormat
))){
2157 switch(srcId
| (dstId
<<4)){
2158 case 0x34: conv
= rgb16to15
; break;
2159 case 0x36: conv
= rgb24to15
; break;
2160 case 0x38: conv
= rgb32to15
; break;
2161 case 0x43: conv
= rgb15to16
; break;
2162 case 0x46: conv
= rgb24to16
; break;
2163 case 0x48: conv
= rgb32to16
; break;
2164 case 0x63: conv
= rgb15to24
; break;
2165 case 0x64: conv
= rgb16to24
; break;
2166 case 0x68: conv
= rgb32to24
; break;
2167 case 0x83: conv
= rgb15to32
; break;
2168 case 0x84: conv
= rgb16to32
; break;
2169 case 0x86: conv
= rgb24to32
; break;
2170 default: av_log(c
, AV_LOG_ERROR
, "internal error %s -> %s converter\n",
2171 sws_format_name(srcFormat
), sws_format_name(dstFormat
)); break;
2173 }else if ( (isBGR(srcFormat
) && isRGB(dstFormat
))
2174 || (isRGB(srcFormat
) && isBGR(dstFormat
))){
2175 switch(srcId
| (dstId
<<4)){
2176 case 0x33: conv
= rgb15tobgr15
; break;
2177 case 0x34: conv
= rgb16tobgr15
; break;
2178 case 0x36: conv
= rgb24tobgr15
; break;
2179 case 0x38: conv
= rgb32tobgr15
; break;
2180 case 0x43: conv
= rgb15tobgr16
; break;
2181 case 0x44: conv
= rgb16tobgr16
; break;
2182 case 0x46: conv
= rgb24tobgr16
; break;
2183 case 0x48: conv
= rgb32tobgr16
; break;
2184 case 0x63: conv
= rgb15tobgr24
; break;
2185 case 0x64: conv
= rgb16tobgr24
; break;
2186 case 0x66: conv
= rgb24tobgr24
; break;
2187 case 0x68: conv
= rgb32tobgr24
; break;
2188 case 0x83: conv
= rgb15tobgr32
; break;
2189 case 0x84: conv
= rgb16tobgr32
; break;
2190 case 0x86: conv
= rgb24tobgr32
; break;
2191 case 0x88: conv
= rgb32tobgr32
; break;
2192 default: av_log(c
, AV_LOG_ERROR
, "internal error %s -> %s converter\n",
2193 sws_format_name(srcFormat
), sws_format_name(dstFormat
)); break;
2196 av_log(c
, AV_LOG_ERROR
, "internal error %s -> %s converter\n",
2197 sws_format_name(srcFormat
), sws_format_name(dstFormat
));
2202 uint8_t *srcPtr
= src
[0];
2203 if(srcFormat
== PIX_FMT_RGB32_1
|| srcFormat
== PIX_FMT_BGR32_1
)
2204 srcPtr
+= ALT32_CORR
;
2206 if (dstStride
[0]*srcBpp
== srcStride
[0]*dstBpp
&& srcStride
[0] > 0)
2207 conv(srcPtr
, dst
[0] + dstStride
[0]*srcSliceY
, srcSliceH
*srcStride
[0]);
2211 uint8_t *dstPtr
= dst
[0] + dstStride
[0]*srcSliceY
;
2213 for (i
=0; i
<srcSliceH
; i
++)
2215 conv(srcPtr
, dstPtr
, c
->srcW
*srcBpp
);
2216 srcPtr
+= srcStride
[0];
2217 dstPtr
+= dstStride
[0];
2224 static int bgr24toyv12Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2225 int srcSliceH
, uint8_t* dst
[], int dstStride
[]){
2229 dst
[0]+ srcSliceY
*dstStride
[0],
2230 dst
[1]+(srcSliceY
>>1)*dstStride
[1],
2231 dst
[2]+(srcSliceY
>>1)*dstStride
[2],
2233 dstStride
[0], dstStride
[1], srcStride
[0]);
2235 fillPlane(dst
[3], dstStride
[3], c
->srcW
, srcSliceH
, srcSliceY
, 255);
2239 static int yvu9toyv12Wrapper(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2240 int srcSliceH
, uint8_t* dst
[], int dstStride
[]){
2244 if (srcStride
[0]==dstStride
[0] && srcStride
[0] > 0)
2245 memcpy(dst
[0]+ srcSliceY
*dstStride
[0], src
[0], srcStride
[0]*srcSliceH
);
2247 uint8_t *srcPtr
= src
[0];
2248 uint8_t *dstPtr
= dst
[0] + dstStride
[0]*srcSliceY
;
2250 for (i
=0; i
<srcSliceH
; i
++)
2252 memcpy(dstPtr
, srcPtr
, c
->srcW
);
2253 srcPtr
+= srcStride
[0];
2254 dstPtr
+= dstStride
[0];
2258 if (c
->dstFormat
==PIX_FMT_YUV420P
|| c
->dstFormat
==PIX_FMT_YUVA420P
){
2259 planar2x(src
[1], dst
[1] + dstStride
[1]*(srcSliceY
>> 1), c
->chrSrcW
,
2260 srcSliceH
>> 2, srcStride
[1], dstStride
[1]);
2261 planar2x(src
[2], dst
[2] + dstStride
[2]*(srcSliceY
>> 1), c
->chrSrcW
,
2262 srcSliceH
>> 2, srcStride
[2], dstStride
[2]);
2264 planar2x(src
[1], dst
[2] + dstStride
[2]*(srcSliceY
>> 1), c
->chrSrcW
,
2265 srcSliceH
>> 2, srcStride
[1], dstStride
[2]);
2266 planar2x(src
[2], dst
[1] + dstStride
[1]*(srcSliceY
>> 1), c
->chrSrcW
,
2267 srcSliceH
>> 2, srcStride
[2], dstStride
[1]);
2270 fillPlane(dst
[3], dstStride
[3], c
->srcW
, srcSliceH
, srcSliceY
, 255);
2274 /* unscaled copy like stuff (assumes nearly identical formats) */
2275 static int packedCopy(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2276 int srcSliceH
, uint8_t* dst
[], int dstStride
[])
2278 if (dstStride
[0]==srcStride
[0] && srcStride
[0] > 0)
2279 memcpy(dst
[0] + dstStride
[0]*srcSliceY
, src
[0], srcSliceH
*dstStride
[0]);
2283 uint8_t *srcPtr
= src
[0];
2284 uint8_t *dstPtr
= dst
[0] + dstStride
[0]*srcSliceY
;
2287 /* universal length finder */
2288 while(length
+c
->srcW
<= FFABS(dstStride
[0])
2289 && length
+c
->srcW
<= FFABS(srcStride
[0])) length
+= c
->srcW
;
2292 for (i
=0; i
<srcSliceH
; i
++)
2294 memcpy(dstPtr
, srcPtr
, length
);
2295 srcPtr
+= srcStride
[0];
2296 dstPtr
+= dstStride
[0];
2302 static int planarCopy(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
2303 int srcSliceH
, uint8_t* dst
[], int dstStride
[])
2306 for (plane
=0; plane
<4; plane
++)
2308 int length
= (plane
==0 || plane
==3) ? c
->srcW
: -((-c
->srcW
)>>c
->chrDstHSubSample
);
2309 int y
= (plane
==0 || plane
==3) ? srcSliceY
: -((-srcSliceY
)>>c
->chrDstVSubSample
);
2310 int height
= (plane
==0 || plane
==3) ? srcSliceH
: -((-srcSliceH
)>>c
->chrDstVSubSample
);
2311 uint8_t *srcPtr
= src
[plane
];
2312 uint8_t *dstPtr
= dst
[plane
] + dstStride
[plane
]*y
;
2314 if (!dst
[plane
]) continue;
2315 // ignore palette for GRAY8
2316 if (plane
== 1 && !dst
[2]) continue;
2317 if (!src
[plane
] || (plane
== 1 && !src
[2])){
2318 if(is16BPS(c
->dstFormat
))
2320 fillPlane(dst
[plane
], dstStride
[plane
], length
, height
, y
, (plane
==3) ? 255 : 128);
2323 if(is16BPS(c
->srcFormat
) && !is16BPS(c
->dstFormat
)){
2324 if (!isBE(c
->srcFormat
)) srcPtr
++;
2325 for (i
=0; i
<height
; i
++){
2326 for (j
=0; j
<length
; j
++) dstPtr
[j
] = srcPtr
[j
<<1];
2327 srcPtr
+= srcStride
[plane
];
2328 dstPtr
+= dstStride
[plane
];
2330 }else if(!is16BPS(c
->srcFormat
) && is16BPS(c
->dstFormat
)){
2331 for (i
=0; i
<height
; i
++){
2332 for (j
=0; j
<length
; j
++){
2333 dstPtr
[ j
<<1 ] = srcPtr
[j
];
2334 dstPtr
[(j
<<1)+1] = srcPtr
[j
];
2336 srcPtr
+= srcStride
[plane
];
2337 dstPtr
+= dstStride
[plane
];
2339 }else if(is16BPS(c
->srcFormat
) && is16BPS(c
->dstFormat
)
2340 && isBE(c
->srcFormat
) != isBE(c
->dstFormat
)){
2342 for (i
=0; i
<height
; i
++){
2343 for (j
=0; j
<length
; j
++)
2344 ((uint16_t*)dstPtr
)[j
] = bswap_16(((uint16_t*)srcPtr
)[j
]);
2345 srcPtr
+= srcStride
[plane
];
2346 dstPtr
+= dstStride
[plane
];
2348 } else if (dstStride
[plane
]==srcStride
[plane
] && srcStride
[plane
] > 0)
2349 memcpy(dst
[plane
] + dstStride
[plane
]*y
, src
[plane
], height
*dstStride
[plane
]);
2352 if(is16BPS(c
->srcFormat
) && is16BPS(c
->dstFormat
))
2354 for (i
=0; i
<height
; i
++)
2356 memcpy(dstPtr
, srcPtr
, length
);
2357 srcPtr
+= srcStride
[plane
];
2358 dstPtr
+= dstStride
[plane
];
2367 static void getSubSampleFactors(int *h
, int *v
, int format
){
2369 case PIX_FMT_UYVY422
:
2370 case PIX_FMT_YUYV422
:
2374 case PIX_FMT_YUV420P
:
2375 case PIX_FMT_YUV420PLE
:
2376 case PIX_FMT_YUV420PBE
:
2377 case PIX_FMT_YUVA420P
:
2378 case PIX_FMT_GRAY16BE
:
2379 case PIX_FMT_GRAY16LE
:
2380 case PIX_FMT_GRAY8
: //FIXME remove after different subsamplings are fully implemented
2386 case PIX_FMT_YUV440P
:
2390 case PIX_FMT_YUV410P
:
2394 case PIX_FMT_YUV444P
:
2395 case PIX_FMT_YUV444PLE
:
2396 case PIX_FMT_YUV444PBE
:
2400 case PIX_FMT_YUV422P
:
2401 case PIX_FMT_YUV422PLE
:
2402 case PIX_FMT_YUV422PBE
:
2406 case PIX_FMT_YUV411P
:
2417 static uint16_t roundToInt16(int64_t f
){
2418 int r
= (f
+ (1<<15))>>16;
2419 if (r
<-0x7FFF) return 0x8000;
2420 else if (r
> 0x7FFF) return 0x7FFF;
2424 int sws_setColorspaceDetails(SwsContext
*c
, const int inv_table
[4], int srcRange
, const int table
[4], int dstRange
, int brightness
, int contrast
, int saturation
){
2425 int64_t crv
= inv_table
[0];
2426 int64_t cbu
= inv_table
[1];
2427 int64_t cgu
= -inv_table
[2];
2428 int64_t cgv
= -inv_table
[3];
2432 memcpy(c
->srcColorspaceTable
, inv_table
, sizeof(int)*4);
2433 memcpy(c
->dstColorspaceTable
, table
, sizeof(int)*4);
2435 c
->brightness
= brightness
;
2436 c
->contrast
= contrast
;
2437 c
->saturation
= saturation
;
2438 c
->srcRange
= srcRange
;
2439 c
->dstRange
= dstRange
;
2440 if (isYUV(c
->dstFormat
) || isGray(c
->dstFormat
)) return -1;
2442 c
->uOffset
= 0x0400040004000400LL
;
2443 c
->vOffset
= 0x0400040004000400LL
;
2449 crv
= (crv
*224) / 255;
2450 cbu
= (cbu
*224) / 255;
2451 cgu
= (cgu
*224) / 255;
2452 cgv
= (cgv
*224) / 255;
2455 cy
= (cy
*contrast
)>>16;
2456 crv
= (crv
*contrast
* saturation
)>>32;
2457 cbu
= (cbu
*contrast
* saturation
)>>32;
2458 cgu
= (cgu
*contrast
* saturation
)>>32;
2459 cgv
= (cgv
*contrast
* saturation
)>>32;
2461 oy
-= 256*brightness
;
2463 c
->yCoeff
= roundToInt16(cy
*8192) * 0x0001000100010001ULL
;
2464 c
->vrCoeff
= roundToInt16(crv
*8192) * 0x0001000100010001ULL
;
2465 c
->ubCoeff
= roundToInt16(cbu
*8192) * 0x0001000100010001ULL
;
2466 c
->vgCoeff
= roundToInt16(cgv
*8192) * 0x0001000100010001ULL
;
2467 c
->ugCoeff
= roundToInt16(cgu
*8192) * 0x0001000100010001ULL
;
2468 c
->yOffset
= roundToInt16(oy
* 8) * 0x0001000100010001ULL
;
2470 c
->yuv2rgb_y_coeff
= (int16_t)roundToInt16(cy
<<13);
2471 c
->yuv2rgb_y_offset
= (int16_t)roundToInt16(oy
<< 9);
2472 c
->yuv2rgb_v2r_coeff
= (int16_t)roundToInt16(crv
<<13);
2473 c
->yuv2rgb_v2g_coeff
= (int16_t)roundToInt16(cgv
<<13);
2474 c
->yuv2rgb_u2g_coeff
= (int16_t)roundToInt16(cgu
<<13);
2475 c
->yuv2rgb_u2b_coeff
= (int16_t)roundToInt16(cbu
<<13);
2477 ff_yuv2rgb_c_init_tables(c
, inv_table
, srcRange
, brightness
, contrast
, saturation
);
2480 #ifdef COMPILE_ALTIVEC
2481 if (c
->flags
& SWS_CPU_CAPS_ALTIVEC
)
2482 ff_yuv2rgb_init_tables_altivec(c
, inv_table
, brightness
, contrast
, saturation
);
2487 int sws_getColorspaceDetails(SwsContext
*c
, int **inv_table
, int *srcRange
, int **table
, int *dstRange
, int *brightness
, int *contrast
, int *saturation
){
2488 if (isYUV(c
->dstFormat
) || isGray(c
->dstFormat
)) return -1;
2490 *inv_table
= c
->srcColorspaceTable
;
2491 *table
= c
->dstColorspaceTable
;
2492 *srcRange
= c
->srcRange
;
2493 *dstRange
= c
->dstRange
;
2494 *brightness
= c
->brightness
;
2495 *contrast
= c
->contrast
;
2496 *saturation
= c
->saturation
;
2501 static int handle_jpeg(enum PixelFormat
*format
)
2504 case PIX_FMT_YUVJ420P
:
2505 *format
= PIX_FMT_YUV420P
;
2507 case PIX_FMT_YUVJ422P
:
2508 *format
= PIX_FMT_YUV422P
;
2510 case PIX_FMT_YUVJ444P
:
2511 *format
= PIX_FMT_YUV444P
;
2513 case PIX_FMT_YUVJ440P
:
2514 *format
= PIX_FMT_YUV440P
;
2521 SwsContext
*sws_getContext(int srcW
, int srcH
, enum PixelFormat srcFormat
, int dstW
, int dstH
, enum PixelFormat dstFormat
, int flags
,
2522 SwsFilter
*srcFilter
, SwsFilter
*dstFilter
, const double *param
)
2527 int usesVFilter
, usesHFilter
;
2528 int unscaled
, needsDither
;
2529 int srcRange
, dstRange
;
2530 SwsFilter dummyFilter
= {NULL
, NULL
, NULL
, NULL
};
2532 if (flags
& SWS_CPU_CAPS_MMX
)
2533 __asm__
volatile("emms\n\t"::: "memory");
2536 #if !CONFIG_RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off
2537 flags
&= ~(SWS_CPU_CAPS_MMX
|SWS_CPU_CAPS_MMX2
|SWS_CPU_CAPS_3DNOW
|SWS_CPU_CAPS_ALTIVEC
|SWS_CPU_CAPS_BFIN
);
2538 #if COMPILE_TEMPLATE_MMX2
2539 flags
|= SWS_CPU_CAPS_MMX
|SWS_CPU_CAPS_MMX2
;
2540 #elif COMPILE_TEMPLATE_AMD3DNOW
2541 flags
|= SWS_CPU_CAPS_MMX
|SWS_CPU_CAPS_3DNOW
;
2542 #elif COMPILE_TEMPLATE_MMX
2543 flags
|= SWS_CPU_CAPS_MMX
;
2544 #elif COMPILE_TEMPLATE_ALTIVEC
2545 flags
|= SWS_CPU_CAPS_ALTIVEC
;
2547 flags
|= SWS_CPU_CAPS_BFIN
;
2549 #endif /* CONFIG_RUNTIME_CPUDETECT */
2550 if (clip_table
[512] != 255) globalInit();
2551 if (!rgb15to16
) sws_rgb2rgb_init(flags
);
2553 unscaled
= (srcW
== dstW
&& srcH
== dstH
);
2554 needsDither
= (isBGR(dstFormat
) || isRGB(dstFormat
))
2555 && (fmt_depth(dstFormat
))<24
2556 && ((fmt_depth(dstFormat
))<(fmt_depth(srcFormat
)) || (!(isRGB(srcFormat
) || isBGR(srcFormat
))));
2558 srcRange
= handle_jpeg(&srcFormat
);
2559 dstRange
= handle_jpeg(&dstFormat
);
2561 if (!isSupportedIn(srcFormat
))
2563 av_log(NULL
, AV_LOG_ERROR
, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat
));
2566 if (!isSupportedOut(dstFormat
))
2568 av_log(NULL
, AV_LOG_ERROR
, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat
));
2572 i
= flags
& ( SWS_POINT
2583 if(!i
|| (i
& (i
-1)))
2585 av_log(NULL
, AV_LOG_ERROR
, "swScaler: Exactly one scaler algorithm must be chosen\n");
2590 if (srcW
<4 || srcH
<1 || dstW
<8 || dstH
<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
2592 av_log(NULL
, AV_LOG_ERROR
, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
2593 srcW
, srcH
, dstW
, dstH
);
2596 if(srcW
> VOFW
|| dstW
> VOFW
){
2597 av_log(NULL
, AV_LOG_ERROR
, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW
)" change VOF/VOFW and recompile\n");
2601 if (!dstFilter
) dstFilter
= &dummyFilter
;
2602 if (!srcFilter
) srcFilter
= &dummyFilter
;
2604 c
= av_mallocz(sizeof(SwsContext
));
2606 c
->av_class
= &sws_context_class
;
2611 c
->lumXInc
= ((srcW
<<16) + (dstW
>>1))/dstW
;
2612 c
->lumYInc
= ((srcH
<<16) + (dstH
>>1))/dstH
;
2614 c
->dstFormat
= dstFormat
;
2615 c
->srcFormat
= srcFormat
;
2616 c
->vRounder
= 4* 0x0001000100010001ULL
;
2618 usesHFilter
= usesVFilter
= 0;
2619 if (dstFilter
->lumV
&& dstFilter
->lumV
->length
>1) usesVFilter
=1;
2620 if (dstFilter
->lumH
&& dstFilter
->lumH
->length
>1) usesHFilter
=1;
2621 if (dstFilter
->chrV
&& dstFilter
->chrV
->length
>1) usesVFilter
=1;
2622 if (dstFilter
->chrH
&& dstFilter
->chrH
->length
>1) usesHFilter
=1;
2623 if (srcFilter
->lumV
&& srcFilter
->lumV
->length
>1) usesVFilter
=1;
2624 if (srcFilter
->lumH
&& srcFilter
->lumH
->length
>1) usesHFilter
=1;
2625 if (srcFilter
->chrV
&& srcFilter
->chrV
->length
>1) usesVFilter
=1;
2626 if (srcFilter
->chrH
&& srcFilter
->chrH
->length
>1) usesHFilter
=1;
2628 getSubSampleFactors(&c
->chrSrcHSubSample
, &c
->chrSrcVSubSample
, srcFormat
);
2629 getSubSampleFactors(&c
->chrDstHSubSample
, &c
->chrDstVSubSample
, dstFormat
);
2631 // reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation
2632 if ((isBGR(dstFormat
) || isRGB(dstFormat
)) && !(flags
&SWS_FULL_CHR_H_INT
)) c
->chrDstHSubSample
=1;
2634 // drop some chroma lines if the user wants it
2635 c
->vChrDrop
= (flags
&SWS_SRC_V_CHR_DROP_MASK
)>>SWS_SRC_V_CHR_DROP_SHIFT
;
2636 c
->chrSrcVSubSample
+= c
->vChrDrop
;
2638 // drop every other pixel for chroma calculation unless user wants full chroma
2639 if ((isBGR(srcFormat
) || isRGB(srcFormat
)) && !(flags
&SWS_FULL_CHR_H_INP
)
2640 && srcFormat
!=PIX_FMT_RGB8
&& srcFormat
!=PIX_FMT_BGR8
2641 && srcFormat
!=PIX_FMT_RGB4
&& srcFormat
!=PIX_FMT_BGR4
2642 && srcFormat
!=PIX_FMT_RGB4_BYTE
&& srcFormat
!=PIX_FMT_BGR4_BYTE
2643 && ((dstW
>>c
->chrDstHSubSample
) <= (srcW
>>1) || (flags
&(SWS_FAST_BILINEAR
|SWS_POINT
))))
2644 c
->chrSrcHSubSample
=1;
2647 c
->param
[0] = param
[0];
2648 c
->param
[1] = param
[1];
2651 c
->param
[1] = SWS_PARAM_DEFAULT
;
2654 // Note the -((-x)>>y) is so that we always round toward +inf.
2655 c
->chrSrcW
= -((-srcW
) >> c
->chrSrcHSubSample
);
2656 c
->chrSrcH
= -((-srcH
) >> c
->chrSrcVSubSample
);
2657 c
->chrDstW
= -((-dstW
) >> c
->chrDstHSubSample
);
2658 c
->chrDstH
= -((-dstH
) >> c
->chrDstVSubSample
);
2660 sws_setColorspaceDetails(c
, ff_yuv2rgb_coeffs
[SWS_CS_DEFAULT
], srcRange
, ff_yuv2rgb_coeffs
[SWS_CS_DEFAULT
] /* FIXME*/, dstRange
, 0, 1<<16, 1<<16);
2662 /* unscaled special cases */
2663 if (unscaled
&& !usesHFilter
&& !usesVFilter
&& (srcRange
== dstRange
|| isBGR(dstFormat
) || isRGB(dstFormat
)))
2666 if ((srcFormat
== PIX_FMT_YUV420P
|| srcFormat
== PIX_FMT_YUVA420P
) && (dstFormat
== PIX_FMT_NV12
|| dstFormat
== PIX_FMT_NV21
))
2668 c
->swScale
= PlanarToNV12Wrapper
;
2671 if ((srcFormat
==PIX_FMT_YUV420P
|| srcFormat
==PIX_FMT_YUV422P
|| srcFormat
==PIX_FMT_YUVA420P
) && (isBGR(dstFormat
) || isRGB(dstFormat
))
2672 && !(flags
& SWS_ACCURATE_RND
) && !(dstH
&1))
2674 c
->swScale
= ff_yuv2rgb_get_func_ptr(c
);
2677 if (srcFormat
==PIX_FMT_YUV410P
&& (dstFormat
==PIX_FMT_YUV420P
|| dstFormat
==PIX_FMT_YUVA420P
) && !(flags
& SWS_BITEXACT
))
2679 c
->swScale
= yvu9toyv12Wrapper
;
2683 if (srcFormat
==PIX_FMT_BGR24
&& (dstFormat
==PIX_FMT_YUV420P
|| dstFormat
==PIX_FMT_YUVA420P
) && !(flags
& SWS_ACCURATE_RND
))
2684 c
->swScale
= bgr24toyv12Wrapper
;
2686 /* RGB/BGR -> RGB/BGR (no dither needed forms) */
2687 if ( (isBGR(srcFormat
) || isRGB(srcFormat
))
2688 && (isBGR(dstFormat
) || isRGB(dstFormat
))
2689 && srcFormat
!= PIX_FMT_BGR8
&& dstFormat
!= PIX_FMT_BGR8
2690 && srcFormat
!= PIX_FMT_RGB8
&& dstFormat
!= PIX_FMT_RGB8
2691 && srcFormat
!= PIX_FMT_BGR4
&& dstFormat
!= PIX_FMT_BGR4
2692 && srcFormat
!= PIX_FMT_RGB4
&& dstFormat
!= PIX_FMT_RGB4
2693 && srcFormat
!= PIX_FMT_BGR4_BYTE
&& dstFormat
!= PIX_FMT_BGR4_BYTE
2694 && srcFormat
!= PIX_FMT_RGB4_BYTE
&& dstFormat
!= PIX_FMT_RGB4_BYTE
2695 && srcFormat
!= PIX_FMT_MONOBLACK
&& dstFormat
!= PIX_FMT_MONOBLACK
2696 && srcFormat
!= PIX_FMT_MONOWHITE
&& dstFormat
!= PIX_FMT_MONOWHITE
2697 && dstFormat
!= PIX_FMT_RGB32_1
2698 && dstFormat
!= PIX_FMT_BGR32_1
2699 && srcFormat
!= PIX_FMT_RGB48LE
&& dstFormat
!= PIX_FMT_RGB48LE
2700 && srcFormat
!= PIX_FMT_RGB48BE
&& dstFormat
!= PIX_FMT_RGB48BE
2701 && (!needsDither
|| (c
->flags
&(SWS_FAST_BILINEAR
|SWS_POINT
))))
2702 c
->swScale
= rgb2rgbWrapper
;
2704 if ((usePal(srcFormat
) && (
2705 dstFormat
== PIX_FMT_RGB32
||
2706 dstFormat
== PIX_FMT_RGB32_1
||
2707 dstFormat
== PIX_FMT_RGB24
||
2708 dstFormat
== PIX_FMT_BGR32
||
2709 dstFormat
== PIX_FMT_BGR32_1
||
2710 dstFormat
== PIX_FMT_BGR24
)))
2711 c
->swScale
= pal2rgbWrapper
;
2713 if (srcFormat
== PIX_FMT_YUV422P
)
2715 if (dstFormat
== PIX_FMT_YUYV422
)
2716 c
->swScale
= YUV422PToYuy2Wrapper
;
2717 else if (dstFormat
== PIX_FMT_UYVY422
)
2718 c
->swScale
= YUV422PToUyvyWrapper
;
2721 /* LQ converters if -sws 0 or -sws 4*/
2722 if (c
->flags
&(SWS_FAST_BILINEAR
|SWS_POINT
)){
2724 if (srcFormat
== PIX_FMT_YUV420P
|| srcFormat
== PIX_FMT_YUVA420P
)
2726 if (dstFormat
== PIX_FMT_YUYV422
)
2727 c
->swScale
= PlanarToYuy2Wrapper
;
2728 else if (dstFormat
== PIX_FMT_UYVY422
)
2729 c
->swScale
= PlanarToUyvyWrapper
;
2732 if(srcFormat
== PIX_FMT_YUYV422
&& (dstFormat
== PIX_FMT_YUV420P
|| dstFormat
== PIX_FMT_YUVA420P
))
2733 c
->swScale
= YUYV2YUV420Wrapper
;
2734 if(srcFormat
== PIX_FMT_UYVY422
&& (dstFormat
== PIX_FMT_YUV420P
|| dstFormat
== PIX_FMT_YUVA420P
))
2735 c
->swScale
= UYVY2YUV420Wrapper
;
2736 if(srcFormat
== PIX_FMT_YUYV422
&& dstFormat
== PIX_FMT_YUV422P
)
2737 c
->swScale
= YUYV2YUV422Wrapper
;
2738 if(srcFormat
== PIX_FMT_UYVY422
&& dstFormat
== PIX_FMT_YUV422P
)
2739 c
->swScale
= UYVY2YUV422Wrapper
;
2741 #ifdef COMPILE_ALTIVEC
2742 if ((c
->flags
& SWS_CPU_CAPS_ALTIVEC
) &&
2743 !(c
->flags
& SWS_BITEXACT
) &&
2744 srcFormat
== PIX_FMT_YUV420P
) {
2745 // unscaled YV12 -> packed YUV, we want speed
2746 if (dstFormat
== PIX_FMT_YUYV422
)
2747 c
->swScale
= yv12toyuy2_unscaled_altivec
;
2748 else if (dstFormat
== PIX_FMT_UYVY422
)
2749 c
->swScale
= yv12touyvy_unscaled_altivec
;
2754 if ( srcFormat
== dstFormat
2755 || (srcFormat
== PIX_FMT_YUVA420P
&& dstFormat
== PIX_FMT_YUV420P
)
2756 || (srcFormat
== PIX_FMT_YUV420P
&& dstFormat
== PIX_FMT_YUVA420P
)
2757 || (isPlanarYUV(srcFormat
) && isGray(dstFormat
))
2758 || (isPlanarYUV(dstFormat
) && isGray(srcFormat
))
2759 || (isGray(dstFormat
) && isGray(srcFormat
))
2760 || (isPlanarYUV(srcFormat
) && isPlanarYUV(dstFormat
)
2761 && c
->chrDstHSubSample
== c
->chrSrcHSubSample
2762 && c
->chrDstVSubSample
== c
->chrSrcVSubSample
2763 && dstFormat
!= PIX_FMT_NV12
&& dstFormat
!= PIX_FMT_NV21
2764 && srcFormat
!= PIX_FMT_NV12
&& srcFormat
!= PIX_FMT_NV21
))
2766 if (isPacked(c
->srcFormat
))
2767 c
->swScale
= packedCopy
;
2768 else /* Planar YUV or gray */
2769 c
->swScale
= planarCopy
;
2772 if (flags
& SWS_CPU_CAPS_BFIN
)
2773 ff_bfin_get_unscaled_swscale (c
);
2777 if (flags
&SWS_PRINT_INFO
)
2778 av_log(c
, AV_LOG_INFO
, "using unscaled %s -> %s special converter\n",
2779 sws_format_name(srcFormat
), sws_format_name(dstFormat
));
2784 if (flags
& SWS_CPU_CAPS_MMX2
)
2786 c
->canMMX2BeUsed
= (dstW
>=srcW
&& (dstW
&31)==0 && (srcW
&15)==0) ? 1 : 0;
2787 if (!c
->canMMX2BeUsed
&& dstW
>=srcW
&& (srcW
&15)==0 && (flags
&SWS_FAST_BILINEAR
))
2789 if (flags
&SWS_PRINT_INFO
)
2790 av_log(c
, AV_LOG_INFO
, "output width is not a multiple of 32 -> no MMX2 scaler\n");
2792 if (usesHFilter
) c
->canMMX2BeUsed
=0;
2797 c
->chrXInc
= ((c
->chrSrcW
<<16) + (c
->chrDstW
>>1))/c
->chrDstW
;
2798 c
->chrYInc
= ((c
->chrSrcH
<<16) + (c
->chrDstH
>>1))/c
->chrDstH
;
2800 // match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
2801 // but only for the FAST_BILINEAR mode otherwise do correct scaling
2802 // n-2 is the last chrominance sample available
2803 // this is not perfect, but no one should notice the difference, the more correct variant
2804 // would be like the vertical one, but that would require some special code for the
2805 // first and last pixel
2806 if (flags
&SWS_FAST_BILINEAR
)
2808 if (c
->canMMX2BeUsed
)
2813 //we don't use the x86 asm scaler if MMX is available
2814 else if (flags
& SWS_CPU_CAPS_MMX
)
2816 c
->lumXInc
= ((srcW
-2)<<16)/(dstW
-2) - 20;
2817 c
->chrXInc
= ((c
->chrSrcW
-2)<<16)/(c
->chrDstW
-2) - 20;
2821 /* precalculate horizontal scaler filter coefficients */
2823 const int filterAlign
=
2824 (flags
& SWS_CPU_CAPS_MMX
) ? 4 :
2825 (flags
& SWS_CPU_CAPS_ALTIVEC
) ? 8 :
2828 initFilter(&c
->hLumFilter
, &c
->hLumFilterPos
, &c
->hLumFilterSize
, c
->lumXInc
,
2829 srcW
, dstW
, filterAlign
, 1<<14,
2830 (flags
&SWS_BICUBLIN
) ? (flags
|SWS_BICUBIC
) : flags
,
2831 srcFilter
->lumH
, dstFilter
->lumH
, c
->param
);
2832 initFilter(&c
->hChrFilter
, &c
->hChrFilterPos
, &c
->hChrFilterSize
, c
->chrXInc
,
2833 c
->chrSrcW
, c
->chrDstW
, filterAlign
, 1<<14,
2834 (flags
&SWS_BICUBLIN
) ? (flags
|SWS_BILINEAR
) : flags
,
2835 srcFilter
->chrH
, dstFilter
->chrH
, c
->param
);
2837 #define MAX_FUNNY_CODE_SIZE 10000
2838 #if defined(COMPILE_MMX2)
2839 // can't downscale !!!
2840 if (c
->canMMX2BeUsed
&& (flags
& SWS_FAST_BILINEAR
))
2842 #ifdef MAP_ANONYMOUS
2843 c
->funnyYCode
= mmap(NULL
, MAX_FUNNY_CODE_SIZE
, PROT_EXEC
| PROT_READ
| PROT_WRITE
, MAP_PRIVATE
| MAP_ANONYMOUS
, 0, 0);
2844 c
->funnyUVCode
= mmap(NULL
, MAX_FUNNY_CODE_SIZE
, PROT_EXEC
| PROT_READ
| PROT_WRITE
, MAP_PRIVATE
| MAP_ANONYMOUS
, 0, 0);
2845 #elif HAVE_VIRTUALALLOC
2846 c
->funnyYCode
= VirtualAlloc(NULL
, MAX_FUNNY_CODE_SIZE
, MEM_COMMIT
, PAGE_EXECUTE_READWRITE
);
2847 c
->funnyUVCode
= VirtualAlloc(NULL
, MAX_FUNNY_CODE_SIZE
, MEM_COMMIT
, PAGE_EXECUTE_READWRITE
);
2849 c
->funnyYCode
= av_malloc(MAX_FUNNY_CODE_SIZE
);
2850 c
->funnyUVCode
= av_malloc(MAX_FUNNY_CODE_SIZE
);
2853 c
->lumMmx2Filter
= av_malloc((dstW
/8+8)*sizeof(int16_t));
2854 c
->chrMmx2Filter
= av_malloc((c
->chrDstW
/4+8)*sizeof(int16_t));
2855 c
->lumMmx2FilterPos
= av_malloc((dstW
/2/8+8)*sizeof(int32_t));
2856 c
->chrMmx2FilterPos
= av_malloc((c
->chrDstW
/2/4+8)*sizeof(int32_t));
2858 initMMX2HScaler( dstW
, c
->lumXInc
, c
->funnyYCode
, c
->lumMmx2Filter
, c
->lumMmx2FilterPos
, 8);
2859 initMMX2HScaler(c
->chrDstW
, c
->chrXInc
, c
->funnyUVCode
, c
->chrMmx2Filter
, c
->chrMmx2FilterPos
, 4);
2861 #endif /* defined(COMPILE_MMX2) */
2862 } // initialize horizontal stuff
2866 /* precalculate vertical scaler filter coefficients */
2868 const int filterAlign
=
2869 (flags
& SWS_CPU_CAPS_MMX
) && (flags
& SWS_ACCURATE_RND
) ? 2 :
2870 (flags
& SWS_CPU_CAPS_ALTIVEC
) ? 8 :
2873 initFilter(&c
->vLumFilter
, &c
->vLumFilterPos
, &c
->vLumFilterSize
, c
->lumYInc
,
2874 srcH
, dstH
, filterAlign
, (1<<12),
2875 (flags
&SWS_BICUBLIN
) ? (flags
|SWS_BICUBIC
) : flags
,
2876 srcFilter
->lumV
, dstFilter
->lumV
, c
->param
);
2877 initFilter(&c
->vChrFilter
, &c
->vChrFilterPos
, &c
->vChrFilterSize
, c
->chrYInc
,
2878 c
->chrSrcH
, c
->chrDstH
, filterAlign
, (1<<12),
2879 (flags
&SWS_BICUBLIN
) ? (flags
|SWS_BILINEAR
) : flags
,
2880 srcFilter
->chrV
, dstFilter
->chrV
, c
->param
);
2883 c
->vYCoeffsBank
= av_malloc(sizeof (vector
signed short)*c
->vLumFilterSize
*c
->dstH
);
2884 c
->vCCoeffsBank
= av_malloc(sizeof (vector
signed short)*c
->vChrFilterSize
*c
->chrDstH
);
2886 for (i
=0;i
<c
->vLumFilterSize
*c
->dstH
;i
++) {
2888 short *p
= (short *)&c
->vYCoeffsBank
[i
];
2890 p
[j
] = c
->vLumFilter
[i
];
2893 for (i
=0;i
<c
->vChrFilterSize
*c
->chrDstH
;i
++) {
2895 short *p
= (short *)&c
->vCCoeffsBank
[i
];
2897 p
[j
] = c
->vChrFilter
[i
];
2902 // calculate buffer sizes so that they won't run out while handling these damn slices
2903 c
->vLumBufSize
= c
->vLumFilterSize
;
2904 c
->vChrBufSize
= c
->vChrFilterSize
;
2905 for (i
=0; i
<dstH
; i
++)
2907 int chrI
= i
*c
->chrDstH
/ dstH
;
2908 int nextSlice
= FFMAX(c
->vLumFilterPos
[i
] + c
->vLumFilterSize
- 1,
2909 ((c
->vChrFilterPos
[chrI
] + c
->vChrFilterSize
- 1)<<c
->chrSrcVSubSample
));
2911 nextSlice
>>= c
->chrSrcVSubSample
;
2912 nextSlice
<<= c
->chrSrcVSubSample
;
2913 if (c
->vLumFilterPos
[i
] + c
->vLumBufSize
< nextSlice
)
2914 c
->vLumBufSize
= nextSlice
- c
->vLumFilterPos
[i
];
2915 if (c
->vChrFilterPos
[chrI
] + c
->vChrBufSize
< (nextSlice
>>c
->chrSrcVSubSample
))
2916 c
->vChrBufSize
= (nextSlice
>>c
->chrSrcVSubSample
) - c
->vChrFilterPos
[chrI
];
2919 // allocate pixbufs (we use dynamic allocation because otherwise we would need to
2920 c
->lumPixBuf
= av_malloc(c
->vLumBufSize
*2*sizeof(int16_t*));
2921 c
->chrPixBuf
= av_malloc(c
->vChrBufSize
*2*sizeof(int16_t*));
2922 if (CONFIG_SWSCALE_ALPHA
&& isALPHA(c
->srcFormat
) && isALPHA(c
->dstFormat
))
2923 c
->alpPixBuf
= av_malloc(c
->vLumBufSize
*2*sizeof(int16_t*));
2924 //Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000)
2925 /* align at 16 bytes for AltiVec */
2926 for (i
=0; i
<c
->vLumBufSize
; i
++)
2927 c
->lumPixBuf
[i
]= c
->lumPixBuf
[i
+c
->vLumBufSize
]= av_mallocz(VOF
+1);
2928 for (i
=0; i
<c
->vChrBufSize
; i
++)
2929 c
->chrPixBuf
[i
]= c
->chrPixBuf
[i
+c
->vChrBufSize
]= av_malloc((VOF
+1)*2);
2930 if (CONFIG_SWSCALE_ALPHA
&& c
->alpPixBuf
)
2931 for (i
=0; i
<c
->vLumBufSize
; i
++)
2932 c
->alpPixBuf
[i
]= c
->alpPixBuf
[i
+c
->vLumBufSize
]= av_mallocz(VOF
+1);
2934 //try to avoid drawing green stuff between the right end and the stride end
2935 for (i
=0; i
<c
->vChrBufSize
; i
++) memset(c
->chrPixBuf
[i
], 64, (VOF
+1)*2);
2937 assert(2*VOFW
== VOF
);
2939 assert(c
->chrDstH
<= dstH
);
2941 if (flags
&SWS_PRINT_INFO
)
2944 const char *dither
= " dithered";
2946 const char *dither
= "";
2948 if (flags
&SWS_FAST_BILINEAR
)
2949 av_log(c
, AV_LOG_INFO
, "FAST_BILINEAR scaler, ");
2950 else if (flags
&SWS_BILINEAR
)
2951 av_log(c
, AV_LOG_INFO
, "BILINEAR scaler, ");
2952 else if (flags
&SWS_BICUBIC
)
2953 av_log(c
, AV_LOG_INFO
, "BICUBIC scaler, ");
2954 else if (flags
&SWS_X
)
2955 av_log(c
, AV_LOG_INFO
, "Experimental scaler, ");
2956 else if (flags
&SWS_POINT
)
2957 av_log(c
, AV_LOG_INFO
, "Nearest Neighbor / POINT scaler, ");
2958 else if (flags
&SWS_AREA
)
2959 av_log(c
, AV_LOG_INFO
, "Area Averageing scaler, ");
2960 else if (flags
&SWS_BICUBLIN
)
2961 av_log(c
, AV_LOG_INFO
, "luma BICUBIC / chroma BILINEAR scaler, ");
2962 else if (flags
&SWS_GAUSS
)
2963 av_log(c
, AV_LOG_INFO
, "Gaussian scaler, ");
2964 else if (flags
&SWS_SINC
)
2965 av_log(c
, AV_LOG_INFO
, "Sinc scaler, ");
2966 else if (flags
&SWS_LANCZOS
)
2967 av_log(c
, AV_LOG_INFO
, "Lanczos scaler, ");
2968 else if (flags
&SWS_SPLINE
)
2969 av_log(c
, AV_LOG_INFO
, "Bicubic spline scaler, ");
2971 av_log(c
, AV_LOG_INFO
, "ehh flags invalid?! ");
2973 if (dstFormat
==PIX_FMT_BGR555
|| dstFormat
==PIX_FMT_BGR565
)
2974 av_log(c
, AV_LOG_INFO
, "from %s to%s %s ",
2975 sws_format_name(srcFormat
), dither
, sws_format_name(dstFormat
));
2977 av_log(c
, AV_LOG_INFO
, "from %s to %s ",
2978 sws_format_name(srcFormat
), sws_format_name(dstFormat
));
2980 if (flags
& SWS_CPU_CAPS_MMX2
)
2981 av_log(c
, AV_LOG_INFO
, "using MMX2\n");
2982 else if (flags
& SWS_CPU_CAPS_3DNOW
)
2983 av_log(c
, AV_LOG_INFO
, "using 3DNOW\n");
2984 else if (flags
& SWS_CPU_CAPS_MMX
)
2985 av_log(c
, AV_LOG_INFO
, "using MMX\n");
2986 else if (flags
& SWS_CPU_CAPS_ALTIVEC
)
2987 av_log(c
, AV_LOG_INFO
, "using AltiVec\n");
2989 av_log(c
, AV_LOG_INFO
, "using C\n");
2992 if (flags
& SWS_PRINT_INFO
)
2994 if (flags
& SWS_CPU_CAPS_MMX
)
2996 if (c
->canMMX2BeUsed
&& (flags
&SWS_FAST_BILINEAR
))
2997 av_log(c
, AV_LOG_VERBOSE
, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
3000 if (c
->hLumFilterSize
==4)
3001 av_log(c
, AV_LOG_VERBOSE
, "using 4-tap MMX scaler for horizontal luminance scaling\n");
3002 else if (c
->hLumFilterSize
==8)
3003 av_log(c
, AV_LOG_VERBOSE
, "using 8-tap MMX scaler for horizontal luminance scaling\n");
3005 av_log(c
, AV_LOG_VERBOSE
, "using n-tap MMX scaler for horizontal luminance scaling\n");
3007 if (c
->hChrFilterSize
==4)
3008 av_log(c
, AV_LOG_VERBOSE
, "using 4-tap MMX scaler for horizontal chrominance scaling\n");
3009 else if (c
->hChrFilterSize
==8)
3010 av_log(c
, AV_LOG_VERBOSE
, "using 8-tap MMX scaler for horizontal chrominance scaling\n");
3012 av_log(c
, AV_LOG_VERBOSE
, "using n-tap MMX scaler for horizontal chrominance scaling\n");
3018 av_log(c
, AV_LOG_VERBOSE
, "using x86 asm scaler for horizontal scaling\n");
3020 if (flags
& SWS_FAST_BILINEAR
)
3021 av_log(c
, AV_LOG_VERBOSE
, "using FAST_BILINEAR C scaler for horizontal scaling\n");
3023 av_log(c
, AV_LOG_VERBOSE
, "using C scaler for horizontal scaling\n");
3026 if (isPlanarYUV(dstFormat
))
3028 if (c
->vLumFilterSize
==1)
3029 av_log(c
, AV_LOG_VERBOSE
, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3031 av_log(c
, AV_LOG_VERBOSE
, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3035 if (c
->vLumFilterSize
==1 && c
->vChrFilterSize
==2)
3036 av_log(c
, AV_LOG_VERBOSE
, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
3037 " 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3038 else if (c
->vLumFilterSize
==2 && c
->vChrFilterSize
==2)
3039 av_log(c
, AV_LOG_VERBOSE
, "using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3041 av_log(c
, AV_LOG_VERBOSE
, "using n-tap %s scaler for vertical scaling (BGR)\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3044 if (dstFormat
==PIX_FMT_BGR24
)
3045 av_log(c
, AV_LOG_VERBOSE
, "using %s YV12->BGR24 converter\n",
3046 (flags
& SWS_CPU_CAPS_MMX2
) ? "MMX2" : ((flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C"));
3047 else if (dstFormat
==PIX_FMT_RGB32
)
3048 av_log(c
, AV_LOG_VERBOSE
, "using %s YV12->BGR32 converter\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3049 else if (dstFormat
==PIX_FMT_BGR565
)
3050 av_log(c
, AV_LOG_VERBOSE
, "using %s YV12->BGR16 converter\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3051 else if (dstFormat
==PIX_FMT_BGR555
)
3052 av_log(c
, AV_LOG_VERBOSE
, "using %s YV12->BGR15 converter\n", (flags
& SWS_CPU_CAPS_MMX
) ? "MMX" : "C");
3054 av_log(c
, AV_LOG_VERBOSE
, "%dx%d -> %dx%d\n", srcW
, srcH
, dstW
, dstH
);
3056 if (flags
& SWS_PRINT_INFO
)
3058 av_log(c
, AV_LOG_DEBUG
, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
3059 c
->srcW
, c
->srcH
, c
->dstW
, c
->dstH
, c
->lumXInc
, c
->lumYInc
);
3060 av_log(c
, AV_LOG_DEBUG
, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
3061 c
->chrSrcW
, c
->chrSrcH
, c
->chrDstW
, c
->chrDstH
, c
->chrXInc
, c
->chrYInc
);
3064 c
->swScale
= getSwsFunc(c
);
3068 static void reset_ptr(uint8_t* src
[], int format
){
3069 if(!isALPHA(format
))
3071 if(!isPlanarYUV(format
)){
3073 if( format
!= PIX_FMT_PAL8
3074 && format
!= PIX_FMT_RGB8
3075 && format
!= PIX_FMT_BGR8
3076 && format
!= PIX_FMT_RGB4_BYTE
3077 && format
!= PIX_FMT_BGR4_BYTE
3084 * swscale wrapper, so we don't need to export the SwsContext.
3085 * Assumes planar YUV to be in YUV order instead of YVU.
3087 int sws_scale(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
3088 int srcSliceH
, uint8_t* dst
[], int dstStride
[]){
3090 uint8_t* src2
[4]= {src
[0], src
[1], src
[2], src
[3]};
3091 uint8_t* dst2
[4]= {dst
[0], dst
[1], dst
[2], dst
[3]};
3093 if (c
->sliceDir
== 0 && srcSliceY
!= 0 && srcSliceY
+ srcSliceH
!= c
->srcH
) {
3094 av_log(c
, AV_LOG_ERROR
, "Slices start in the middle!\n");
3097 if (c
->sliceDir
== 0) {
3098 if (srcSliceY
== 0) c
->sliceDir
= 1; else c
->sliceDir
= -1;
3101 if (usePal(c
->srcFormat
)){
3102 for (i
=0; i
<256; i
++){
3103 int p
, r
, g
, b
,y
,u
,v
;
3104 if(c
->srcFormat
== PIX_FMT_PAL8
){
3105 p
=((uint32_t*)(src
[1]))[i
];
3109 }else if(c
->srcFormat
== PIX_FMT_RGB8
){
3113 }else if(c
->srcFormat
== PIX_FMT_BGR8
){
3117 }else if(c
->srcFormat
== PIX_FMT_RGB4_BYTE
){
3122 assert(c
->srcFormat
== PIX_FMT_BGR4_BYTE
);
3127 y
= av_clip_uint8((RY
*r
+ GY
*g
+ BY
*b
+ ( 33<<(RGB2YUV_SHIFT
-1)))>>RGB2YUV_SHIFT
);
3128 u
= av_clip_uint8((RU
*r
+ GU
*g
+ BU
*b
+ (257<<(RGB2YUV_SHIFT
-1)))>>RGB2YUV_SHIFT
);
3129 v
= av_clip_uint8((RV
*r
+ GV
*g
+ BV
*b
+ (257<<(RGB2YUV_SHIFT
-1)))>>RGB2YUV_SHIFT
);
3130 c
->pal_yuv
[i
]= y
+ (u
<<8) + (v
<<16);
3133 switch(c
->dstFormat
) {
3138 c
->pal_rgb
[i
]= r
+ (g
<<8) + (b
<<16);
3140 case PIX_FMT_BGR32_1
:
3144 c
->pal_rgb
[i
]= (r
+ (g
<<8) + (b
<<16)) << 8;
3146 case PIX_FMT_RGB32_1
:
3150 c
->pal_rgb
[i
]= (b
+ (g
<<8) + (r
<<16)) << 8;
3157 c
->pal_rgb
[i
]= b
+ (g
<<8) + (r
<<16);
3162 // copy strides, so they can safely be modified
3163 if (c
->sliceDir
== 1) {
3164 // slices go from top to bottom
3165 int srcStride2
[4]= {srcStride
[0], srcStride
[1], srcStride
[2], srcStride
[3]};
3166 int dstStride2
[4]= {dstStride
[0], dstStride
[1], dstStride
[2], dstStride
[3]};
3168 reset_ptr(src2
, c
->srcFormat
);
3169 reset_ptr(dst2
, c
->dstFormat
);
3171 return c
->swScale(c
, src2
, srcStride2
, srcSliceY
, srcSliceH
, dst2
, dstStride2
);
3173 // slices go from bottom to top => we flip the image internally
3174 int srcStride2
[4]= {-srcStride
[0], -srcStride
[1], -srcStride
[2], -srcStride
[3]};
3175 int dstStride2
[4]= {-dstStride
[0], -dstStride
[1], -dstStride
[2], -dstStride
[3]};
3177 src2
[0] += (srcSliceH
-1)*srcStride
[0];
3178 if (!usePal(c
->srcFormat
))
3179 src2
[1] += ((srcSliceH
>>c
->chrSrcVSubSample
)-1)*srcStride
[1];
3180 src2
[2] += ((srcSliceH
>>c
->chrSrcVSubSample
)-1)*srcStride
[2];
3181 src2
[3] += (srcSliceH
-1)*srcStride
[3];
3182 dst2
[0] += ( c
->dstH
-1)*dstStride
[0];
3183 dst2
[1] += ((c
->dstH
>>c
->chrDstVSubSample
)-1)*dstStride
[1];
3184 dst2
[2] += ((c
->dstH
>>c
->chrDstVSubSample
)-1)*dstStride
[2];
3185 dst2
[3] += ( c
->dstH
-1)*dstStride
[3];
3187 reset_ptr(src2
, c
->srcFormat
);
3188 reset_ptr(dst2
, c
->dstFormat
);
3190 return c
->swScale(c
, src2
, srcStride2
, c
->srcH
-srcSliceY
-srcSliceH
, srcSliceH
, dst2
, dstStride2
);
3194 #if LIBSWSCALE_VERSION_MAJOR < 1
3195 int sws_scale_ordered(SwsContext
*c
, uint8_t* src
[], int srcStride
[], int srcSliceY
,
3196 int srcSliceH
, uint8_t* dst
[], int dstStride
[]){
3197 return sws_scale(c
, src
, srcStride
, srcSliceY
, srcSliceH
, dst
, dstStride
);
3201 SwsFilter
*sws_getDefaultFilter(float lumaGBlur
, float chromaGBlur
,
3202 float lumaSharpen
, float chromaSharpen
,
3203 float chromaHShift
, float chromaVShift
,
3206 SwsFilter
*filter
= av_malloc(sizeof(SwsFilter
));
3208 if (lumaGBlur
!=0.0){
3209 filter
->lumH
= sws_getGaussianVec(lumaGBlur
, 3.0);
3210 filter
->lumV
= sws_getGaussianVec(lumaGBlur
, 3.0);
3212 filter
->lumH
= sws_getIdentityVec();
3213 filter
->lumV
= sws_getIdentityVec();
3216 if (chromaGBlur
!=0.0){
3217 filter
->chrH
= sws_getGaussianVec(chromaGBlur
, 3.0);
3218 filter
->chrV
= sws_getGaussianVec(chromaGBlur
, 3.0);
3220 filter
->chrH
= sws_getIdentityVec();
3221 filter
->chrV
= sws_getIdentityVec();
3224 if (chromaSharpen
!=0.0){
3225 SwsVector
*id
= sws_getIdentityVec();
3226 sws_scaleVec(filter
->chrH
, -chromaSharpen
);
3227 sws_scaleVec(filter
->chrV
, -chromaSharpen
);
3228 sws_addVec(filter
->chrH
, id
);
3229 sws_addVec(filter
->chrV
, id
);
3233 if (lumaSharpen
!=0.0){
3234 SwsVector
*id
= sws_getIdentityVec();
3235 sws_scaleVec(filter
->lumH
, -lumaSharpen
);
3236 sws_scaleVec(filter
->lumV
, -lumaSharpen
);
3237 sws_addVec(filter
->lumH
, id
);
3238 sws_addVec(filter
->lumV
, id
);
3242 if (chromaHShift
!= 0.0)
3243 sws_shiftVec(filter
->chrH
, (int)(chromaHShift
+0.5));
3245 if (chromaVShift
!= 0.0)
3246 sws_shiftVec(filter
->chrV
, (int)(chromaVShift
+0.5));
3248 sws_normalizeVec(filter
->chrH
, 1.0);
3249 sws_normalizeVec(filter
->chrV
, 1.0);
3250 sws_normalizeVec(filter
->lumH
, 1.0);
3251 sws_normalizeVec(filter
->lumV
, 1.0);
3253 if (verbose
) sws_printVec2(filter
->chrH
, NULL
, AV_LOG_DEBUG
);
3254 if (verbose
) sws_printVec2(filter
->lumH
, NULL
, AV_LOG_DEBUG
);
3259 SwsVector
*sws_getGaussianVec(double variance
, double quality
){
3260 const int length
= (int)(variance
*quality
+ 0.5) | 1;
3262 double *coeff
= av_malloc(length
*sizeof(double));
3263 double middle
= (length
-1)*0.5;
3264 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3267 vec
->length
= length
;
3269 for (i
=0; i
<length
; i
++)
3271 double dist
= i
-middle
;
3272 coeff
[i
]= exp(-dist
*dist
/(2*variance
*variance
)) / sqrt(2*variance
*PI
);
3275 sws_normalizeVec(vec
, 1.0);
3280 SwsVector
*sws_getConstVec(double c
, int length
){
3282 double *coeff
= av_malloc(length
*sizeof(double));
3283 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3286 vec
->length
= length
;
3288 for (i
=0; i
<length
; i
++)
3295 SwsVector
*sws_getIdentityVec(void){
3296 return sws_getConstVec(1.0, 1);
3299 double sws_dcVec(SwsVector
*a
){
3303 for (i
=0; i
<a
->length
; i
++)
3309 void sws_scaleVec(SwsVector
*a
, double scalar
){
3312 for (i
=0; i
<a
->length
; i
++)
3313 a
->coeff
[i
]*= scalar
;
3316 void sws_normalizeVec(SwsVector
*a
, double height
){
3317 sws_scaleVec(a
, height
/sws_dcVec(a
));
3320 static SwsVector
*sws_getConvVec(SwsVector
*a
, SwsVector
*b
){
3321 int length
= a
->length
+ b
->length
- 1;
3322 double *coeff
= av_malloc(length
*sizeof(double));
3324 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3327 vec
->length
= length
;
3329 for (i
=0; i
<length
; i
++) coeff
[i
]= 0.0;
3331 for (i
=0; i
<a
->length
; i
++)
3333 for (j
=0; j
<b
->length
; j
++)
3335 coeff
[i
+j
]+= a
->coeff
[i
]*b
->coeff
[j
];
3342 static SwsVector
*sws_sumVec(SwsVector
*a
, SwsVector
*b
){
3343 int length
= FFMAX(a
->length
, b
->length
);
3344 double *coeff
= av_malloc(length
*sizeof(double));
3346 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3349 vec
->length
= length
;
3351 for (i
=0; i
<length
; i
++) coeff
[i
]= 0.0;
3353 for (i
=0; i
<a
->length
; i
++) coeff
[i
+ (length
-1)/2 - (a
->length
-1)/2]+= a
->coeff
[i
];
3354 for (i
=0; i
<b
->length
; i
++) coeff
[i
+ (length
-1)/2 - (b
->length
-1)/2]+= b
->coeff
[i
];
3359 static SwsVector
*sws_diffVec(SwsVector
*a
, SwsVector
*b
){
3360 int length
= FFMAX(a
->length
, b
->length
);
3361 double *coeff
= av_malloc(length
*sizeof(double));
3363 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3366 vec
->length
= length
;
3368 for (i
=0; i
<length
; i
++) coeff
[i
]= 0.0;
3370 for (i
=0; i
<a
->length
; i
++) coeff
[i
+ (length
-1)/2 - (a
->length
-1)/2]+= a
->coeff
[i
];
3371 for (i
=0; i
<b
->length
; i
++) coeff
[i
+ (length
-1)/2 - (b
->length
-1)/2]-= b
->coeff
[i
];
3376 /* shift left / or right if "shift" is negative */
3377 static SwsVector
*sws_getShiftedVec(SwsVector
*a
, int shift
){
3378 int length
= a
->length
+ FFABS(shift
)*2;
3379 double *coeff
= av_malloc(length
*sizeof(double));
3381 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3384 vec
->length
= length
;
3386 for (i
=0; i
<length
; i
++) coeff
[i
]= 0.0;
3388 for (i
=0; i
<a
->length
; i
++)
3390 coeff
[i
+ (length
-1)/2 - (a
->length
-1)/2 - shift
]= a
->coeff
[i
];
3396 void sws_shiftVec(SwsVector
*a
, int shift
){
3397 SwsVector
*shifted
= sws_getShiftedVec(a
, shift
);
3399 a
->coeff
= shifted
->coeff
;
3400 a
->length
= shifted
->length
;
3404 void sws_addVec(SwsVector
*a
, SwsVector
*b
){
3405 SwsVector
*sum
= sws_sumVec(a
, b
);
3407 a
->coeff
= sum
->coeff
;
3408 a
->length
= sum
->length
;
3412 void sws_subVec(SwsVector
*a
, SwsVector
*b
){
3413 SwsVector
*diff
= sws_diffVec(a
, b
);
3415 a
->coeff
= diff
->coeff
;
3416 a
->length
= diff
->length
;
3420 void sws_convVec(SwsVector
*a
, SwsVector
*b
){
3421 SwsVector
*conv
= sws_getConvVec(a
, b
);
3423 a
->coeff
= conv
->coeff
;
3424 a
->length
= conv
->length
;
3428 SwsVector
*sws_cloneVec(SwsVector
*a
){
3429 double *coeff
= av_malloc(a
->length
*sizeof(double));
3431 SwsVector
*vec
= av_malloc(sizeof(SwsVector
));
3434 vec
->length
= a
->length
;
3436 for (i
=0; i
<a
->length
; i
++) coeff
[i
]= a
->coeff
[i
];
3441 void sws_printVec2(SwsVector
*a
, AVClass
*log_ctx
, int log_level
){
3447 for (i
=0; i
<a
->length
; i
++)
3448 if (a
->coeff
[i
]>max
) max
= a
->coeff
[i
];
3450 for (i
=0; i
<a
->length
; i
++)
3451 if (a
->coeff
[i
]<min
) min
= a
->coeff
[i
];
3455 for (i
=0; i
<a
->length
; i
++)
3457 int x
= (int)((a
->coeff
[i
]-min
)*60.0/range
+0.5);
3458 av_log(log_ctx
, log_level
, "%1.3f ", a
->coeff
[i
]);
3459 for (;x
>0; x
--) av_log(log_ctx
, log_level
, " ");
3460 av_log(log_ctx
, log_level
, "|\n");
3464 #if LIBSWSCALE_VERSION_MAJOR < 1
3465 void sws_printVec(SwsVector
*a
){
3466 sws_printVec2(a
, NULL
, AV_LOG_DEBUG
);
3470 void sws_freeVec(SwsVector
*a
){
3472 av_freep(&a
->coeff
);
3477 void sws_freeFilter(SwsFilter
*filter
){
3478 if (!filter
) return;
3480 if (filter
->lumH
) sws_freeVec(filter
->lumH
);
3481 if (filter
->lumV
) sws_freeVec(filter
->lumV
);
3482 if (filter
->chrH
) sws_freeVec(filter
->chrH
);
3483 if (filter
->chrV
) sws_freeVec(filter
->chrV
);
3488 void sws_freeContext(SwsContext
*c
){
3494 for (i
=0; i
<c
->vLumBufSize
; i
++)
3495 av_freep(&c
->lumPixBuf
[i
]);
3496 av_freep(&c
->lumPixBuf
);
3501 for (i
=0; i
<c
->vChrBufSize
; i
++)
3502 av_freep(&c
->chrPixBuf
[i
]);
3503 av_freep(&c
->chrPixBuf
);
3506 if (CONFIG_SWSCALE_ALPHA
&& c
->alpPixBuf
){
3507 for (i
=0; i
<c
->vLumBufSize
; i
++)
3508 av_freep(&c
->alpPixBuf
[i
]);
3509 av_freep(&c
->alpPixBuf
);
3512 av_freep(&c
->vLumFilter
);
3513 av_freep(&c
->vChrFilter
);
3514 av_freep(&c
->hLumFilter
);
3515 av_freep(&c
->hChrFilter
);
3517 av_freep(&c
->vYCoeffsBank
);
3518 av_freep(&c
->vCCoeffsBank
);
3521 av_freep(&c
->vLumFilterPos
);
3522 av_freep(&c
->vChrFilterPos
);
3523 av_freep(&c
->hLumFilterPos
);
3524 av_freep(&c
->hChrFilterPos
);
3526 #if ARCH_X86 && CONFIG_GPL
3527 #ifdef MAP_ANONYMOUS
3528 if (c
->funnyYCode
) munmap(c
->funnyYCode
, MAX_FUNNY_CODE_SIZE
);
3529 if (c
->funnyUVCode
) munmap(c
->funnyUVCode
, MAX_FUNNY_CODE_SIZE
);
3530 #elif HAVE_VIRTUALALLOC
3531 if (c
->funnyYCode
) VirtualFree(c
->funnyYCode
, MAX_FUNNY_CODE_SIZE
, MEM_RELEASE
);
3532 if (c
->funnyUVCode
) VirtualFree(c
->funnyUVCode
, MAX_FUNNY_CODE_SIZE
, MEM_RELEASE
);
3534 av_free(c
->funnyYCode
);
3535 av_free(c
->funnyUVCode
);
3538 c
->funnyUVCode
=NULL
;
3539 #endif /* ARCH_X86 && CONFIG_GPL */
3541 av_freep(&c
->lumMmx2Filter
);
3542 av_freep(&c
->chrMmx2Filter
);
3543 av_freep(&c
->lumMmx2FilterPos
);
3544 av_freep(&c
->chrMmx2FilterPos
);
3545 av_freep(&c
->yuvTable
);
3550 struct SwsContext
*sws_getCachedContext(struct SwsContext
*context
,
3551 int srcW
, int srcH
, enum PixelFormat srcFormat
,
3552 int dstW
, int dstH
, enum PixelFormat dstFormat
, int flags
,
3553 SwsFilter
*srcFilter
, SwsFilter
*dstFilter
, const double *param
)
3555 static const double default_param
[2] = {SWS_PARAM_DEFAULT
, SWS_PARAM_DEFAULT
};
3558 param
= default_param
;
3561 if (context
->srcW
!= srcW
|| context
->srcH
!= srcH
||
3562 context
->srcFormat
!= srcFormat
||
3563 context
->dstW
!= dstW
|| context
->dstH
!= dstH
||
3564 context
->dstFormat
!= dstFormat
|| context
->flags
!= flags
||
3565 context
->param
[0] != param
[0] || context
->param
[1] != param
[1])
3567 sws_freeContext(context
);
3572 return sws_getContext(srcW
, srcH
, srcFormat
,
3573 dstW
, dstH
, dstFormat
, flags
,
3574 srcFilter
, dstFilter
, param
);