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
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef SWSCALE_SWSCALE_INTERNAL_H
22 #define SWSCALE_SWSCALE_INTERNAL_H
30 #include "libavutil/avutil.h"
32 #define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
34 #define MAX_FILTER_SIZE 256
39 #define VOFW 2048 // faster on PPC and not tested on others
45 #define ALT32_CORR (-1)
62 typedef int (*SwsFunc
)(struct SwsContext
*context
, uint8_t* src
[],
63 int srcStride
[], int srcSliceY
, int srcSliceH
,
64 uint8_t* dst
[], int dstStride
[]);
66 /* This struct should be aligned on at least a 32-byte boundary. */
67 typedef struct SwsContext
{
69 * info on struct for av_log
71 const AVClass
*av_class
;
74 * Note that src, dst, srcStride, dstStride will be copied in the
75 * sws_scale() wrapper so they can be freely modified here.
79 int chrSrcW
, chrSrcH
, chrDstW
, chrDstH
;
82 enum PixelFormat dstFormat
, srcFormat
; ///< format 4:2:0 type is always YV12
83 int chrSrcHSubSample
, chrSrcVSubSample
;
84 int chrDstHSubSample
, chrDstVSubSample
;
89 uint32_t pal_yuv
[256];
90 uint32_t pal_rgb
[256];
96 int16_t *hLumFilterPos
;
98 int16_t *hChrFilterPos
;
100 int16_t *vLumFilterPos
;
102 int16_t *vChrFilterPos
;
104 uint8_t formatConvBuffer
[VOF
]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
113 int lumMmx2FilterCodeSize
;
114 int chrMmx2FilterCodeSize
;
115 uint8_t *lumMmx2FilterCode
;
116 uint8_t *chrMmx2FilterCode
;
117 int32_t *lumMmx2FilterPos
;
118 int32_t *chrMmx2FilterPos
;
119 int16_t *lumMmx2Filter
;
120 int16_t *chrMmx2Filter
;
130 void * yuvTable
; // pointer to the yuv->rgb table start so it can be freed()
131 uint8_t * table_rV
[256];
132 uint8_t * table_gU
[256];
134 uint8_t * table_bU
[256];
137 int contrast
, brightness
, saturation
; // for sws_getColorspaceDetails
138 int srcColorspaceTable
[4];
139 int dstColorspaceTable
[4];
140 int srcRange
, dstRange
;
141 int yuv2rgb_y_offset
;
143 int yuv2rgb_v2r_coeff
;
144 int yuv2rgb_v2g_coeff
;
145 int yuv2rgb_u2g_coeff
;
146 int yuv2rgb_u2b_coeff
;
148 #define RED_DITHER "0*8"
149 #define GREEN_DITHER "1*8"
150 #define BLUE_DITHER "2*8"
151 #define Y_COEFF "3*8"
152 #define VR_COEFF "4*8"
153 #define UB_COEFF "5*8"
154 #define VG_COEFF "6*8"
155 #define UG_COEFF "7*8"
156 #define Y_OFFSET "8*8"
157 #define U_OFFSET "9*8"
158 #define V_OFFSET "10*8"
159 #define LUM_MMX_FILTER_OFFSET "11*8"
160 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
161 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
162 #define ESP_OFFSET "11*8+4*4*256*2+8"
163 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
164 #define U_TEMP "11*8+4*4*256*2+24"
165 #define V_TEMP "11*8+4*4*256*2+32"
166 #define Y_TEMP "11*8+4*4*256*2+40"
167 #define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
169 DECLARE_ALIGNED(8, uint64_t, redDither
);
170 DECLARE_ALIGNED(8, uint64_t, greenDither
);
171 DECLARE_ALIGNED(8, uint64_t, blueDither
);
173 DECLARE_ALIGNED(8, uint64_t, yCoeff
);
174 DECLARE_ALIGNED(8, uint64_t, vrCoeff
);
175 DECLARE_ALIGNED(8, uint64_t, ubCoeff
);
176 DECLARE_ALIGNED(8, uint64_t, vgCoeff
);
177 DECLARE_ALIGNED(8, uint64_t, ugCoeff
);
178 DECLARE_ALIGNED(8, uint64_t, yOffset
);
179 DECLARE_ALIGNED(8, uint64_t, uOffset
);
180 DECLARE_ALIGNED(8, uint64_t, vOffset
);
181 int32_t lumMmxFilter
[4*MAX_FILTER_SIZE
];
182 int32_t chrMmxFilter
[4*MAX_FILTER_SIZE
];
184 DECLARE_ALIGNED(8, uint64_t, esp
);
185 DECLARE_ALIGNED(8, uint64_t, vRounder
);
186 DECLARE_ALIGNED(8, uint64_t, u_temp
);
187 DECLARE_ALIGNED(8, uint64_t, v_temp
);
188 DECLARE_ALIGNED(8, uint64_t, y_temp
);
189 int32_t alpMmxFilter
[4*MAX_FILTER_SIZE
];
192 vector
signed short CY
;
193 vector
signed short CRV
;
194 vector
signed short CBU
;
195 vector
signed short CGU
;
196 vector
signed short CGV
;
197 vector
signed short OY
;
198 vector
unsigned short CSHIFT
;
199 vector
signed short *vYCoeffsBank
, *vCCoeffsBank
;
203 DECLARE_ALIGNED(4, uint32_t, oy
);
204 DECLARE_ALIGNED(4, uint32_t, oc
);
205 DECLARE_ALIGNED(4, uint32_t, zero
);
206 DECLARE_ALIGNED(4, uint32_t, cy
);
207 DECLARE_ALIGNED(4, uint32_t, crv
);
208 DECLARE_ALIGNED(4, uint32_t, rmask
);
209 DECLARE_ALIGNED(4, uint32_t, cbu
);
210 DECLARE_ALIGNED(4, uint32_t, bmask
);
211 DECLARE_ALIGNED(4, uint32_t, cgu
);
212 DECLARE_ALIGNED(4, uint32_t, cgv
);
213 DECLARE_ALIGNED(4, uint32_t, gmask
);
217 DECLARE_ALIGNED(8, uint64_t, sparc_coeffs
[10]);
220 /* function pointers for swScale() */
221 void (*yuv2nv12X
)(struct SwsContext
*c
,
222 const int16_t *lumFilter
, const int16_t **lumSrc
, int lumFilterSize
,
223 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
224 uint8_t *dest
, uint8_t *uDest
,
225 int dstW
, int chrDstW
, int dstFormat
);
226 void (*yuv2yuv1
)(struct SwsContext
*c
,
227 const int16_t *lumSrc
, const int16_t *chrSrc
, const int16_t *alpSrc
,
229 uint8_t *uDest
, uint8_t *vDest
, uint8_t *aDest
,
230 long dstW
, long chrDstW
);
231 void (*yuv2yuvX
)(struct SwsContext
*c
,
232 const int16_t *lumFilter
, const int16_t **lumSrc
, int lumFilterSize
,
233 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
234 const int16_t **alpSrc
,
236 uint8_t *uDest
, uint8_t *vDest
, uint8_t *aDest
,
237 long dstW
, long chrDstW
);
238 void (*yuv2packed1
)(struct SwsContext
*c
,
239 const uint16_t *buf0
,
240 const uint16_t *uvbuf0
, const uint16_t *uvbuf1
,
241 const uint16_t *abuf0
,
243 int dstW
, int uvalpha
, int dstFormat
, int flags
, int y
);
244 void (*yuv2packed2
)(struct SwsContext
*c
,
245 const uint16_t *buf0
, const uint16_t *buf1
,
246 const uint16_t *uvbuf0
, const uint16_t *uvbuf1
,
247 const uint16_t *abuf0
, const uint16_t *abuf1
,
249 int dstW
, int yalpha
, int uvalpha
, int y
);
250 void (*yuv2packedX
)(struct SwsContext
*c
,
251 const int16_t *lumFilter
, const int16_t **lumSrc
, int lumFilterSize
,
252 const int16_t *chrFilter
, const int16_t **chrSrc
, int chrFilterSize
,
253 const int16_t **alpSrc
, uint8_t *dest
,
254 long dstW
, long dstY
);
256 void (*lumToYV12
)(uint8_t *dst
, const uint8_t *src
,
257 long width
, uint32_t *pal
); ///< Unscaled conversion of luma plane to YV12 for horizontal scaler.
258 void (*alpToYV12
)(uint8_t *dst
, const uint8_t *src
,
259 long width
, uint32_t *pal
); ///< Unscaled conversion of alpha plane to YV12 for horizontal scaler.
260 void (*chrToYV12
)(uint8_t *dstU
, uint8_t *dstV
,
261 const uint8_t *src1
, const uint8_t *src2
,
262 long width
, uint32_t *pal
); ///< Unscaled conversion of chroma planes to YV12 for horizontal scaler.
263 void (*hyscale_fast
)(struct SwsContext
*c
,
264 int16_t *dst
, long dstWidth
,
265 const uint8_t *src
, int srcW
, int xInc
);
266 void (*hcscale_fast
)(struct SwsContext
*c
,
267 int16_t *dst
, long dstWidth
,
268 const uint8_t *src1
, const uint8_t *src2
,
271 void (*hScale
)(int16_t *dst
, int dstW
, const uint8_t *src
, int srcW
,
272 int xInc
, const int16_t *filter
, const int16_t *filterPos
,
275 void (*lumConvertRange
)(uint16_t *dst
, int width
); ///< Color range conversion function for luma plane if needed.
276 void (*chrConvertRange
)(uint16_t *dst
, int width
); ///< Color range conversion function for chroma planes if needed.
278 int lumSrcOffset
; ///< Offset given to luma src pointers passed to horizontal input functions.
279 int chrSrcOffset
; ///< Offset given to chroma src pointers passed to horizontal input functions.
280 int alpSrcOffset
; ///< Offset given to alpha src pointers passed to horizontal input functions.
282 int needs_hcscale
; ///< Set if there are chroma planes to be converted.
285 //FIXME check init (where 0)
287 SwsFunc
ff_yuv2rgb_get_func_ptr(SwsContext
*c
);
288 int ff_yuv2rgb_c_init_tables(SwsContext
*c
, const int inv_table
[4],
289 int fullRange
, int brightness
,
290 int contrast
, int saturation
);
292 void ff_yuv2rgb_init_tables_altivec(SwsContext
*c
, const int inv_table
[4],
293 int brightness
, int contrast
, int saturation
);
294 SwsFunc
ff_yuv2rgb_init_mmx(SwsContext
*c
);
295 SwsFunc
ff_yuv2rgb_init_vis(SwsContext
*c
);
296 SwsFunc
ff_yuv2rgb_init_mlib(SwsContext
*c
);
297 SwsFunc
ff_yuv2rgb_init_altivec(SwsContext
*c
);
298 SwsFunc
ff_yuv2rgb_get_func_ptr_bfin(SwsContext
*c
);
299 void ff_bfin_get_unscaled_swscale(SwsContext
*c
);
300 void ff_yuv2packedX_altivec(SwsContext
*c
,
301 const int16_t *lumFilter
, int16_t **lumSrc
, int lumFilterSize
,
302 const int16_t *chrFilter
, int16_t **chrSrc
, int chrFilterSize
,
303 uint8_t *dest
, int dstW
, int dstY
);
305 const char *sws_format_name(enum PixelFormat format
);
307 //FIXME replace this with something faster
308 #define is16BPS(x) ( \
309 (x)==PIX_FMT_GRAY16BE \
310 || (x)==PIX_FMT_GRAY16LE \
311 || (x)==PIX_FMT_RGB48BE \
312 || (x)==PIX_FMT_RGB48LE \
313 || (x)==PIX_FMT_YUV420P16LE \
314 || (x)==PIX_FMT_YUV422P16LE \
315 || (x)==PIX_FMT_YUV444P16LE \
316 || (x)==PIX_FMT_YUV420P16BE \
317 || (x)==PIX_FMT_YUV422P16BE \
318 || (x)==PIX_FMT_YUV444P16BE \
320 #define isBE(x) ((x)&1)
321 #define isPlanar8YUV(x) ( \
322 (x)==PIX_FMT_YUV410P \
323 || (x)==PIX_FMT_YUV420P \
324 || (x)==PIX_FMT_YUVA420P \
325 || (x)==PIX_FMT_YUV411P \
326 || (x)==PIX_FMT_YUV422P \
327 || (x)==PIX_FMT_YUV444P \
328 || (x)==PIX_FMT_YUV440P \
329 || (x)==PIX_FMT_NV12 \
330 || (x)==PIX_FMT_NV21 \
332 #define isPlanarYUV(x) ( \
334 || (x)==PIX_FMT_YUV420P16LE \
335 || (x)==PIX_FMT_YUV422P16LE \
336 || (x)==PIX_FMT_YUV444P16LE \
337 || (x)==PIX_FMT_YUV420P16BE \
338 || (x)==PIX_FMT_YUV422P16BE \
339 || (x)==PIX_FMT_YUV444P16BE \
342 (x)==PIX_FMT_UYVY422 \
343 || (x)==PIX_FMT_YUYV422 \
346 #define isGray(x) ( \
348 || (x)==PIX_FMT_GRAY16BE \
349 || (x)==PIX_FMT_GRAY16LE \
351 #define isGray16(x) ( \
352 (x)==PIX_FMT_GRAY16BE \
353 || (x)==PIX_FMT_GRAY16LE \
356 (x)==PIX_FMT_RGB48BE \
357 || (x)==PIX_FMT_RGB48LE \
358 || (x)==PIX_FMT_RGB32 \
359 || (x)==PIX_FMT_RGB32_1 \
360 || (x)==PIX_FMT_RGB24 \
361 || (x)==PIX_FMT_RGB565 \
362 || (x)==PIX_FMT_RGB555 \
363 || (x)==PIX_FMT_RGB8 \
364 || (x)==PIX_FMT_RGB4 \
365 || (x)==PIX_FMT_RGB4_BYTE \
366 || (x)==PIX_FMT_MONOBLACK \
367 || (x)==PIX_FMT_MONOWHITE \
371 || (x)==PIX_FMT_BGR32_1 \
372 || (x)==PIX_FMT_BGR24 \
373 || (x)==PIX_FMT_BGR565 \
374 || (x)==PIX_FMT_BGR555 \
375 || (x)==PIX_FMT_BGR8 \
376 || (x)==PIX_FMT_BGR4 \
377 || (x)==PIX_FMT_BGR4_BYTE \
378 || (x)==PIX_FMT_MONOBLACK \
379 || (x)==PIX_FMT_MONOWHITE \
381 #define isALPHA(x) ( \
383 || (x)==PIX_FMT_BGR32_1 \
384 || (x)==PIX_FMT_RGB32 \
385 || (x)==PIX_FMT_RGB32_1 \
386 || (x)==PIX_FMT_YUVA420P \
389 static inline int fmt_depth(int fmt
)
392 case PIX_FMT_RGB48BE
:
393 case PIX_FMT_RGB48LE
:
405 case PIX_FMT_GRAY16BE
:
406 case PIX_FMT_GRAY16LE
:
416 case PIX_FMT_BGR4_BYTE
:
417 case PIX_FMT_RGB4_BYTE
:
419 case PIX_FMT_MONOBLACK
:
420 case PIX_FMT_MONOWHITE
:
427 extern const uint64_t ff_dither4
[2];
428 extern const uint64_t ff_dither8
[2];
430 extern const AVClass sws_context_class
;
432 #endif /* SWSCALE_SWSCALE_INTERNAL_H */