More indentation changes leftover from r29522:
[libav.git] / libswscale / swscale_internal.h
1 /*
2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #ifndef SWSCALE_SWSCALE_INTERNAL_H
22 #define SWSCALE_SWSCALE_INTERNAL_H
23
24 #include "config.h"
25
26 #if HAVE_ALTIVEC_H
27 #include <altivec.h>
28 #endif
29
30 #include "libavutil/avutil.h"
31
32 #define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
33
34 #define MAX_FILTER_SIZE 256
35
36 #if ARCH_X86
37 #define VOFW 5120
38 #else
39 #define VOFW 2048 // faster on PPC and not tested on others
40 #endif
41
42 #define VOF (VOFW*2)
43
44 #if HAVE_BIGENDIAN
45 #define ALT32_CORR (-1)
46 #else
47 #define ALT32_CORR 1
48 #endif
49
50 #if ARCH_X86_64
51 # define APCK_PTR2 8
52 # define APCK_COEF 16
53 # define APCK_SIZE 24
54 #else
55 # define APCK_PTR2 4
56 # define APCK_COEF 8
57 # define APCK_SIZE 16
58 #endif
59
60 struct SwsContext;
61
62 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[],
63 int srcStride[], int srcSliceY, int srcSliceH,
64 uint8_t* dst[], int dstStride[]);
65
66 /* This struct should be aligned on at least a 32-byte boundary. */
67 typedef struct SwsContext {
68 /**
69 * info on struct for av_log
70 */
71 const AVClass *av_class;
72
73 /**
74 * Note that src, dst, srcStride, dstStride will be copied in the
75 * sws_scale() wrapper so they can be freely modified here.
76 */
77 SwsFunc swScale;
78 int srcW, srcH, dstH;
79 int chrSrcW, chrSrcH, chrDstW, chrDstH;
80 int lumXInc, chrXInc;
81 int lumYInc, chrYInc;
82 enum PixelFormat dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
83 int origDstFormat, origSrcFormat; ///< format
84 int chrSrcHSubSample, chrSrcVSubSample;
85 int chrDstHSubSample, chrDstVSubSample;
86 int vChrDrop;
87 int sliceDir;
88 double param[2];
89
90 uint32_t pal_yuv[256];
91 uint32_t pal_rgb[256];
92
93 int16_t **lumPixBuf;
94 int16_t **chrPixBuf;
95 int16_t **alpPixBuf;
96 int16_t *hLumFilter;
97 int16_t *hLumFilterPos;
98 int16_t *hChrFilter;
99 int16_t *hChrFilterPos;
100 int16_t *vLumFilter;
101 int16_t *vLumFilterPos;
102 int16_t *vChrFilter;
103 int16_t *vChrFilterPos;
104
105 uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
106
107 int hLumFilterSize;
108 int hChrFilterSize;
109 int vLumFilterSize;
110 int vChrFilterSize;
111 int vLumBufSize;
112 int vChrBufSize;
113
114 int lumMmx2FilterCodeSize;
115 int chrMmx2FilterCodeSize;
116 uint8_t *lumMmx2FilterCode;
117 uint8_t *chrMmx2FilterCode;
118 int32_t *lumMmx2FilterPos;
119 int32_t *chrMmx2FilterPos;
120 int16_t *lumMmx2Filter;
121 int16_t *chrMmx2Filter;
122
123 int canMMX2BeUsed;
124
125 int lastInLumBuf;
126 int lastInChrBuf;
127 int lumBufIndex;
128 int chrBufIndex;
129 int dstY;
130 int flags;
131 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
132 uint8_t * table_rV[256];
133 uint8_t * table_gU[256];
134 int table_gV[256];
135 uint8_t * table_bU[256];
136
137 //Colorspace stuff
138 int contrast, brightness, saturation; // for sws_getColorspaceDetails
139 int srcColorspaceTable[4];
140 int dstColorspaceTable[4];
141 int srcRange, dstRange;
142 int yuv2rgb_y_offset;
143 int yuv2rgb_y_coeff;
144 int yuv2rgb_v2r_coeff;
145 int yuv2rgb_v2g_coeff;
146 int yuv2rgb_u2g_coeff;
147 int yuv2rgb_u2b_coeff;
148
149 #define RED_DITHER "0*8"
150 #define GREEN_DITHER "1*8"
151 #define BLUE_DITHER "2*8"
152 #define Y_COEFF "3*8"
153 #define VR_COEFF "4*8"
154 #define UB_COEFF "5*8"
155 #define VG_COEFF "6*8"
156 #define UG_COEFF "7*8"
157 #define Y_OFFSET "8*8"
158 #define U_OFFSET "9*8"
159 #define V_OFFSET "10*8"
160 #define LUM_MMX_FILTER_OFFSET "11*8"
161 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
162 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
163 #define ESP_OFFSET "11*8+4*4*256*2+8"
164 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
165 #define U_TEMP "11*8+4*4*256*2+24"
166 #define V_TEMP "11*8+4*4*256*2+32"
167 #define Y_TEMP "11*8+4*4*256*2+40"
168 #define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
169
170 DECLARE_ALIGNED(8, uint64_t, redDither);
171 DECLARE_ALIGNED(8, uint64_t, greenDither);
172 DECLARE_ALIGNED(8, uint64_t, blueDither);
173
174 DECLARE_ALIGNED(8, uint64_t, yCoeff);
175 DECLARE_ALIGNED(8, uint64_t, vrCoeff);
176 DECLARE_ALIGNED(8, uint64_t, ubCoeff);
177 DECLARE_ALIGNED(8, uint64_t, vgCoeff);
178 DECLARE_ALIGNED(8, uint64_t, ugCoeff);
179 DECLARE_ALIGNED(8, uint64_t, yOffset);
180 DECLARE_ALIGNED(8, uint64_t, uOffset);
181 DECLARE_ALIGNED(8, uint64_t, vOffset);
182 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
183 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
184 int dstW;
185 DECLARE_ALIGNED(8, uint64_t, esp);
186 DECLARE_ALIGNED(8, uint64_t, vRounder);
187 DECLARE_ALIGNED(8, uint64_t, u_temp);
188 DECLARE_ALIGNED(8, uint64_t, v_temp);
189 DECLARE_ALIGNED(8, uint64_t, y_temp);
190 int32_t alpMmxFilter[4*MAX_FILTER_SIZE];
191
192 #if HAVE_ALTIVEC
193 vector signed short CY;
194 vector signed short CRV;
195 vector signed short CBU;
196 vector signed short CGU;
197 vector signed short CGV;
198 vector signed short OY;
199 vector unsigned short CSHIFT;
200 vector signed short *vYCoeffsBank, *vCCoeffsBank;
201 #endif
202
203 #if ARCH_BFIN
204 DECLARE_ALIGNED(4, uint32_t, oy);
205 DECLARE_ALIGNED(4, uint32_t, oc);
206 DECLARE_ALIGNED(4, uint32_t, zero);
207 DECLARE_ALIGNED(4, uint32_t, cy);
208 DECLARE_ALIGNED(4, uint32_t, crv);
209 DECLARE_ALIGNED(4, uint32_t, rmask);
210 DECLARE_ALIGNED(4, uint32_t, cbu);
211 DECLARE_ALIGNED(4, uint32_t, bmask);
212 DECLARE_ALIGNED(4, uint32_t, cgu);
213 DECLARE_ALIGNED(4, uint32_t, cgv);
214 DECLARE_ALIGNED(4, uint32_t, gmask);
215 #endif
216
217 #if HAVE_VIS
218 DECLARE_ALIGNED(8, uint64_t, sparc_coeffs[10]);
219 #endif
220
221 /* function pointers for swScale() */
222 void (*yuv2nv12X )(struct SwsContext *c,
223 const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
224 const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
225 uint8_t *dest, uint8_t *uDest,
226 int dstW, int chrDstW, int dstFormat);
227 void (*yuv2yuv1 )(struct SwsContext *c,
228 const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
229 uint8_t *dest,
230 uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
231 long dstW, long chrDstW);
232 void (*yuv2yuvX )(struct SwsContext *c,
233 const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
234 const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
235 const int16_t **alpSrc,
236 uint8_t *dest,
237 uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
238 long dstW, long chrDstW);
239 void (*yuv2packed1)(struct SwsContext *c,
240 const uint16_t *buf0,
241 const uint16_t *uvbuf0, const uint16_t *uvbuf1,
242 const uint16_t *abuf0,
243 uint8_t *dest,
244 int dstW, int uvalpha, int dstFormat, int flags, int y);
245 void (*yuv2packed2)(struct SwsContext *c,
246 const uint16_t *buf0, const uint16_t *buf1,
247 const uint16_t *uvbuf0, const uint16_t *uvbuf1,
248 const uint16_t *abuf0, const uint16_t *abuf1,
249 uint8_t *dest,
250 int dstW, int yalpha, int uvalpha, int y);
251 void (*yuv2packedX)(struct SwsContext *c,
252 const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
253 const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
254 const int16_t **alpSrc, uint8_t *dest,
255 long dstW, long dstY);
256
257 void (*hyscale_internal)(uint8_t *dst, const uint8_t *src,
258 long width, uint32_t *pal);
259 void (*hascale_internal)(uint8_t *dst, const uint8_t *src,
260 long width, uint32_t *pal);
261 void (*hcscale_internal)(uint8_t *dstU, uint8_t *dstV,
262 const uint8_t *src1, const uint8_t *src2,
263 long width, uint32_t *pal);
264 void (*hyscale_fast)(struct SwsContext *c,
265 int16_t *dst, int dstWidth,
266 const uint8_t *src, int srcW, int xInc);
267 void (*hcscale_fast)(struct SwsContext *c,
268 int16_t *dst, int dstWidth,
269 const uint8_t *src1, const uint8_t *src2,
270 int srcW, int xInc);
271
272 void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW,
273 int xInc, const int16_t *filter, const int16_t *filterPos,
274 long filterSize);
275
276 } SwsContext;
277 //FIXME check init (where 0)
278
279 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c);
280 int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
281 int fullRange, int brightness,
282 int contrast, int saturation);
283
284 void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4],
285 int brightness, int contrast, int saturation);
286 SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c);
287 SwsFunc ff_yuv2rgb_init_vis(SwsContext *c);
288 SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c);
289 SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
290 SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
291 void ff_bfin_get_unscaled_swscale(SwsContext *c);
292 void ff_yuv2packedX_altivec(SwsContext *c,
293 const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
294 const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
295 uint8_t *dest, int dstW, int dstY);
296
297 const char *sws_format_name(enum PixelFormat format);
298
299 //FIXME replace this with something faster
300 #define is16BPS(x) ( \
301 (x)==PIX_FMT_GRAY16BE \
302 || (x)==PIX_FMT_GRAY16LE \
303 || (x)==PIX_FMT_RGB48BE \
304 || (x)==PIX_FMT_RGB48LE \
305 || (x)==PIX_FMT_YUV420PLE \
306 || (x)==PIX_FMT_YUV422PLE \
307 || (x)==PIX_FMT_YUV444PLE \
308 || (x)==PIX_FMT_YUV420PBE \
309 || (x)==PIX_FMT_YUV422PBE \
310 || (x)==PIX_FMT_YUV444PBE \
311 )
312 #define isBE(x) ((x)&1)
313 #define isPlanar8YUV(x) ( \
314 (x)==PIX_FMT_YUV410P \
315 || (x)==PIX_FMT_YUV420P \
316 || (x)==PIX_FMT_YUVA420P \
317 || (x)==PIX_FMT_YUV411P \
318 || (x)==PIX_FMT_YUV422P \
319 || (x)==PIX_FMT_YUV444P \
320 || (x)==PIX_FMT_YUV440P \
321 || (x)==PIX_FMT_NV12 \
322 || (x)==PIX_FMT_NV21 \
323 )
324 #define isPlanarYUV(x) ( \
325 isPlanar8YUV(x) \
326 || (x)==PIX_FMT_YUV420PLE \
327 || (x)==PIX_FMT_YUV422PLE \
328 || (x)==PIX_FMT_YUV444PLE \
329 || (x)==PIX_FMT_YUV420PBE \
330 || (x)==PIX_FMT_YUV422PBE \
331 || (x)==PIX_FMT_YUV444PBE \
332 )
333 #define isYUV(x) ( \
334 (x)==PIX_FMT_UYVY422 \
335 || (x)==PIX_FMT_YUYV422 \
336 || isPlanarYUV(x) \
337 )
338 #define isGray(x) ( \
339 (x)==PIX_FMT_GRAY8 \
340 || (x)==PIX_FMT_GRAY16BE \
341 || (x)==PIX_FMT_GRAY16LE \
342 )
343 #define isGray16(x) ( \
344 (x)==PIX_FMT_GRAY16BE \
345 || (x)==PIX_FMT_GRAY16LE \
346 )
347 #define isRGB(x) ( \
348 (x)==PIX_FMT_RGB48BE \
349 || (x)==PIX_FMT_RGB48LE \
350 || (x)==PIX_FMT_RGB32 \
351 || (x)==PIX_FMT_RGB32_1 \
352 || (x)==PIX_FMT_RGB24 \
353 || (x)==PIX_FMT_RGB565 \
354 || (x)==PIX_FMT_RGB555 \
355 || (x)==PIX_FMT_RGB8 \
356 || (x)==PIX_FMT_RGB4 \
357 || (x)==PIX_FMT_RGB4_BYTE \
358 || (x)==PIX_FMT_MONOBLACK \
359 || (x)==PIX_FMT_MONOWHITE \
360 )
361 #define isBGR(x) ( \
362 (x)==PIX_FMT_BGR32 \
363 || (x)==PIX_FMT_BGR32_1 \
364 || (x)==PIX_FMT_BGR24 \
365 || (x)==PIX_FMT_BGR565 \
366 || (x)==PIX_FMT_BGR555 \
367 || (x)==PIX_FMT_BGR8 \
368 || (x)==PIX_FMT_BGR4 \
369 || (x)==PIX_FMT_BGR4_BYTE \
370 || (x)==PIX_FMT_MONOBLACK \
371 || (x)==PIX_FMT_MONOWHITE \
372 )
373 #define isALPHA(x) ( \
374 (x)==PIX_FMT_BGR32 \
375 || (x)==PIX_FMT_BGR32_1 \
376 || (x)==PIX_FMT_RGB32 \
377 || (x)==PIX_FMT_RGB32_1 \
378 || (x)==PIX_FMT_YUVA420P \
379 )
380
381 static inline int fmt_depth(int fmt)
382 {
383 switch(fmt) {
384 case PIX_FMT_RGB48BE:
385 case PIX_FMT_RGB48LE:
386 return 48;
387 case PIX_FMT_BGRA:
388 case PIX_FMT_ABGR:
389 case PIX_FMT_RGBA:
390 case PIX_FMT_ARGB:
391 return 32;
392 case PIX_FMT_BGR24:
393 case PIX_FMT_RGB24:
394 return 24;
395 case PIX_FMT_BGR565:
396 case PIX_FMT_RGB565:
397 case PIX_FMT_GRAY16BE:
398 case PIX_FMT_GRAY16LE:
399 return 16;
400 case PIX_FMT_BGR555:
401 case PIX_FMT_RGB555:
402 return 15;
403 case PIX_FMT_BGR8:
404 case PIX_FMT_RGB8:
405 return 8;
406 case PIX_FMT_BGR4:
407 case PIX_FMT_RGB4:
408 case PIX_FMT_BGR4_BYTE:
409 case PIX_FMT_RGB4_BYTE:
410 return 4;
411 case PIX_FMT_MONOBLACK:
412 case PIX_FMT_MONOWHITE:
413 return 1;
414 default:
415 return 0;
416 }
417 }
418
419 extern const uint64_t ff_dither4[2];
420 extern const uint64_t ff_dither8[2];
421
422 extern const AVClass sws_context_class;
423
424 #endif /* SWSCALE_SWSCALE_INTERNAL_H */