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, const 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;
126 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
127 uint8_t * table_rV[256];
128 uint8_t * table_gU[256];
130 uint8_t * table_bU[256];
133 int contrast, brightness, saturation; // for sws_getColorspaceDetails
134 int srcColorspaceTable[4];
135 int dstColorspaceTable[4];
136 int srcRange, dstRange;
137 int yuv2rgb_y_offset;
139 int yuv2rgb_v2r_coeff;
140 int yuv2rgb_v2g_coeff;
141 int yuv2rgb_u2g_coeff;
142 int yuv2rgb_u2b_coeff;
144 #define RED_DITHER "0*8"
145 #define GREEN_DITHER "1*8"
146 #define BLUE_DITHER "2*8"
147 #define Y_COEFF "3*8"
148 #define VR_COEFF "4*8"
149 #define UB_COEFF "5*8"
150 #define VG_COEFF "6*8"
151 #define UG_COEFF "7*8"
152 #define Y_OFFSET "8*8"
153 #define U_OFFSET "9*8"
154 #define V_OFFSET "10*8"
155 #define LUM_MMX_FILTER_OFFSET "11*8"
156 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
157 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
158 #define ESP_OFFSET "11*8+4*4*256*2+8"
159 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
160 #define U_TEMP "11*8+4*4*256*2+24"
161 #define V_TEMP "11*8+4*4*256*2+32"
162 #define Y_TEMP "11*8+4*4*256*2+40"
163 #define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
165 DECLARE_ALIGNED(8, uint64_t, redDither);
166 DECLARE_ALIGNED(8, uint64_t, greenDither);
167 DECLARE_ALIGNED(8, uint64_t, blueDither);
169 DECLARE_ALIGNED(8, uint64_t, yCoeff);
170 DECLARE_ALIGNED(8, uint64_t, vrCoeff);
171 DECLARE_ALIGNED(8, uint64_t, ubCoeff);
172 DECLARE_ALIGNED(8, uint64_t, vgCoeff);
173 DECLARE_ALIGNED(8, uint64_t, ugCoeff);
174 DECLARE_ALIGNED(8, uint64_t, yOffset);
175 DECLARE_ALIGNED(8, uint64_t, uOffset);
176 DECLARE_ALIGNED(8, uint64_t, vOffset);
177 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
178 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
180 DECLARE_ALIGNED(8, uint64_t, esp);
181 DECLARE_ALIGNED(8, uint64_t, vRounder);
182 DECLARE_ALIGNED(8, uint64_t, u_temp);
183 DECLARE_ALIGNED(8, uint64_t, v_temp);
184 DECLARE_ALIGNED(8, uint64_t, y_temp);
185 int32_t alpMmxFilter[4*MAX_FILTER_SIZE];
188 vector signed short CY;
189 vector signed short CRV;
190 vector signed short CBU;
191 vector signed short CGU;
192 vector signed short CGV;
193 vector signed short OY;
194 vector unsigned short CSHIFT;
195 vector signed short *vYCoeffsBank, *vCCoeffsBank;
199 DECLARE_ALIGNED(4, uint32_t, oy);
200 DECLARE_ALIGNED(4, uint32_t, oc);
201 DECLARE_ALIGNED(4, uint32_t, zero);
202 DECLARE_ALIGNED(4, uint32_t, cy);
203 DECLARE_ALIGNED(4, uint32_t, crv);
204 DECLARE_ALIGNED(4, uint32_t, rmask);
205 DECLARE_ALIGNED(4, uint32_t, cbu);
206 DECLARE_ALIGNED(4, uint32_t, bmask);
207 DECLARE_ALIGNED(4, uint32_t, cgu);
208 DECLARE_ALIGNED(4, uint32_t, cgv);
209 DECLARE_ALIGNED(4, uint32_t, gmask);
213 DECLARE_ALIGNED(8, uint64_t, sparc_coeffs[10]);
216 /* function pointers for swScale() */
217 void (*yuv2nv12X )(struct SwsContext *c,
218 const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
219 const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
220 uint8_t *dest, uint8_t *uDest,
221 int dstW, int chrDstW, int dstFormat);
222 void (*yuv2yuv1 )(struct SwsContext *c,
223 const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
225 uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
226 long dstW, long chrDstW);
227 void (*yuv2yuvX )(struct SwsContext *c,
228 const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
229 const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
230 const int16_t **alpSrc,
232 uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
233 long dstW, long chrDstW);
234 void (*yuv2packed1)(struct SwsContext *c,
235 const uint16_t *buf0,
236 const uint16_t *uvbuf0, const uint16_t *uvbuf1,
237 const uint16_t *abuf0,
239 int dstW, int uvalpha, int dstFormat, int flags, int y);
240 void (*yuv2packed2)(struct SwsContext *c,
241 const uint16_t *buf0, const uint16_t *buf1,
242 const uint16_t *uvbuf0, const uint16_t *uvbuf1,
243 const uint16_t *abuf0, const uint16_t *abuf1,
245 int dstW, int yalpha, int uvalpha, int y);
246 void (*yuv2packedX)(struct SwsContext *c,
247 const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
248 const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
249 const int16_t **alpSrc, uint8_t *dest,
250 long dstW, long dstY);
252 void (*lumToYV12)(uint8_t *dst, const uint8_t *src,
253 long width, uint32_t *pal); ///< Unscaled conversion of luma plane to YV12 for horizontal scaler.
254 void (*alpToYV12)(uint8_t *dst, const uint8_t *src,
255 long width, uint32_t *pal); ///< Unscaled conversion of alpha plane to YV12 for horizontal scaler.
256 void (*chrToYV12)(uint8_t *dstU, uint8_t *dstV,
257 const uint8_t *src1, const uint8_t *src2,
258 long width, uint32_t *pal); ///< Unscaled conversion of chroma planes to YV12 for horizontal scaler.
259 void (*hyscale_fast)(struct SwsContext *c,
260 int16_t *dst, long dstWidth,
261 const uint8_t *src, int srcW, int xInc);
262 void (*hcscale_fast)(struct SwsContext *c,
263 int16_t *dst, long dstWidth,
264 const uint8_t *src1, const uint8_t *src2,
267 void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW,
268 int xInc, const int16_t *filter, const int16_t *filterPos,
271 void (*lumConvertRange)(uint16_t *dst, int width); ///< Color range conversion function for luma plane if needed.
272 void (*chrConvertRange)(uint16_t *dst, int width); ///< Color range conversion function for chroma planes if needed.
274 int lumSrcOffset; ///< Offset given to luma src pointers passed to horizontal input functions.
275 int chrSrcOffset; ///< Offset given to chroma src pointers passed to horizontal input functions.
276 int alpSrcOffset; ///< Offset given to alpha src pointers passed to horizontal input functions.
278 int needs_hcscale; ///< Set if there are chroma planes to be converted.
281 //FIXME check init (where 0)
283 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c);
284 int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
285 int fullRange, int brightness,
286 int contrast, int saturation);
288 void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4],
289 int brightness, int contrast, int saturation);
290 SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c);
291 SwsFunc ff_yuv2rgb_init_vis(SwsContext *c);
292 SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c);
293 SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
294 SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
295 void ff_bfin_get_unscaled_swscale(SwsContext *c);
296 void ff_yuv2packedX_altivec(SwsContext *c,
297 const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
298 const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
299 uint8_t *dest, int dstW, int dstY);
301 const char *sws_format_name(enum PixelFormat format);
303 //FIXME replace this with something faster
304 #define is16BPS(x) ( \
305 (x)==PIX_FMT_GRAY16BE \
306 || (x)==PIX_FMT_GRAY16LE \
307 || (x)==PIX_FMT_RGB48BE \
308 || (x)==PIX_FMT_RGB48LE \
309 || (x)==PIX_FMT_YUV420P16LE \
310 || (x)==PIX_FMT_YUV422P16LE \
311 || (x)==PIX_FMT_YUV444P16LE \
312 || (x)==PIX_FMT_YUV420P16BE \
313 || (x)==PIX_FMT_YUV422P16BE \
314 || (x)==PIX_FMT_YUV444P16BE \
316 #define isBE(x) ((x)&1)
317 #define isPlanar8YUV(x) ( \
318 (x)==PIX_FMT_YUV410P \
319 || (x)==PIX_FMT_YUV420P \
320 || (x)==PIX_FMT_YUVA420P \
321 || (x)==PIX_FMT_YUV411P \
322 || (x)==PIX_FMT_YUV422P \
323 || (x)==PIX_FMT_YUV444P \
324 || (x)==PIX_FMT_YUV440P \
325 || (x)==PIX_FMT_NV12 \
326 || (x)==PIX_FMT_NV21 \
328 #define isPlanarYUV(x) ( \
330 || (x)==PIX_FMT_YUV420P16LE \
331 || (x)==PIX_FMT_YUV422P16LE \
332 || (x)==PIX_FMT_YUV444P16LE \
333 || (x)==PIX_FMT_YUV420P16BE \
334 || (x)==PIX_FMT_YUV422P16BE \
335 || (x)==PIX_FMT_YUV444P16BE \
338 (x)==PIX_FMT_UYVY422 \
339 || (x)==PIX_FMT_YUYV422 \
342 #define isGray(x) ( \
344 || (x)==PIX_FMT_GRAY16BE \
345 || (x)==PIX_FMT_GRAY16LE \
347 #define isGray16(x) ( \
348 (x)==PIX_FMT_GRAY16BE \
349 || (x)==PIX_FMT_GRAY16LE \
352 (x)==PIX_FMT_RGB48BE \
353 || (x)==PIX_FMT_RGB48LE \
354 || (x)==PIX_FMT_RGB32 \
355 || (x)==PIX_FMT_RGB32_1 \
356 || (x)==PIX_FMT_RGB24 \
357 || (x)==PIX_FMT_RGB565 \
358 || (x)==PIX_FMT_RGB555 \
359 || (x)==PIX_FMT_RGB8 \
360 || (x)==PIX_FMT_RGB4 \
361 || (x)==PIX_FMT_RGB4_BYTE \
362 || (x)==PIX_FMT_MONOBLACK \
363 || (x)==PIX_FMT_MONOWHITE \
367 || (x)==PIX_FMT_BGR32_1 \
368 || (x)==PIX_FMT_BGR24 \
369 || (x)==PIX_FMT_BGR565 \
370 || (x)==PIX_FMT_BGR555 \
371 || (x)==PIX_FMT_BGR8 \
372 || (x)==PIX_FMT_BGR4 \
373 || (x)==PIX_FMT_BGR4_BYTE \
374 || (x)==PIX_FMT_MONOBLACK \
375 || (x)==PIX_FMT_MONOWHITE \
377 #define isALPHA(x) ( \
379 || (x)==PIX_FMT_BGR32_1 \
380 || (x)==PIX_FMT_RGB32 \
381 || (x)==PIX_FMT_RGB32_1 \
382 || (x)==PIX_FMT_YUVA420P \
385 static inline int fmt_depth(int fmt)
388 case PIX_FMT_RGB48BE:
389 case PIX_FMT_RGB48LE:
401 case PIX_FMT_GRAY16BE:
402 case PIX_FMT_GRAY16LE:
412 case PIX_FMT_BGR4_BYTE:
413 case PIX_FMT_RGB4_BYTE:
415 case PIX_FMT_MONOBLACK:
416 case PIX_FMT_MONOWHITE:
423 extern const uint64_t ff_dither4[2];
424 extern const uint64_t ff_dither8[2];
426 extern const AVClass sws_context_class;
428 #endif /* SWSCALE_SWSCALE_INTERNAL_H */