Switch regression tests to swscale.
[libav.git] / libswscale / swscale_internal.h
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5427e242 1/*
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2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
5 *
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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.
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10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
d026b45e 15 *
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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
b19bcbaa 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
d026b45e 19 */
5427e242 20
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21#ifndef SWSCALE_SWSCALE_INTERNAL_H
22#define SWSCALE_SWSCALE_INTERNAL_H
5427e242 23
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24#include "config.h"
25
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26#ifdef HAVE_ALTIVEC_H
27#include <altivec.h>
28#endif
29
83da2c6f 30#include "libavutil/avutil.h"
94c4def2 31
59ded10c 32#define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
1625216e 33
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34#define MAX_FILTER_SIZE 256
35
8b2fce0d 36#define VOFW 2048
710af50e 37#define VOF (VOFW*2)
8b2fce0d 38
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39#ifdef WORDS_BIGENDIAN
40#define ALT32_CORR (-1)
41#else
42#define ALT32_CORR 1
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43#endif
44
45#ifdef ARCH_X86_64
46# define APCK_PTR2 8
47# define APCK_COEF 16
48# define APCK_SIZE 24
49#else
50# define APCK_PTR2 4
51# define APCK_COEF 8
52# define APCK_SIZE 16
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53#endif
54
d4e24275 55typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
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56 int srcSliceH, uint8_t* dst[], int dstStride[]);
57
8a322796 58/* This struct should be aligned on at least a 32-byte boundary. */
5427e242 59typedef struct SwsContext{
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60 /**
61 * info on struct for av_log
62 */
635a8cd2 63 const AVClass *av_class;
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64
65 /**
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66 * Note that src, dst, srcStride, dstStride will be copied in the
67 * sws_scale() wrapper so they can be freely modified here.
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68 */
69 SwsFunc swScale;
70 int srcW, srcH, dstH;
71 int chrSrcW, chrSrcH, chrDstW, chrDstH;
72 int lumXInc, chrXInc;
73 int lumYInc, chrYInc;
74 int dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
75 int origDstFormat, origSrcFormat; ///< format
76 int chrSrcHSubSample, chrSrcVSubSample;
77 int chrIntHSubSample, chrIntVSubSample;
78 int chrDstHSubSample, chrDstVSubSample;
79 int vChrDrop;
80 int sliceDir;
81 double param[2];
82
83 int16_t **lumPixBuf;
84 int16_t **chrPixBuf;
85 int16_t *hLumFilter;
86 int16_t *hLumFilterPos;
87 int16_t *hChrFilter;
88 int16_t *hChrFilterPos;
89 int16_t *vLumFilter;
90 int16_t *vLumFilterPos;
91 int16_t *vChrFilter;
92 int16_t *vChrFilterPos;
93
8a322796 94 uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
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95
96 int hLumFilterSize;
97 int hChrFilterSize;
98 int vLumFilterSize;
99 int vChrFilterSize;
100 int vLumBufSize;
101 int vChrBufSize;
102
103 uint8_t *funnyYCode;
104 uint8_t *funnyUVCode;
105 int32_t *lumMmx2FilterPos;
106 int32_t *chrMmx2FilterPos;
107 int16_t *lumMmx2Filter;
108 int16_t *chrMmx2Filter;
109
110 int canMMX2BeUsed;
111
112 int lastInLumBuf;
113 int lastInChrBuf;
114 int lumBufIndex;
115 int chrBufIndex;
116 int dstY;
117 int flags;
118 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
119 uint8_t * table_rV[256];
120 uint8_t * table_gU[256];
121 int table_gV[256];
122 uint8_t * table_bU[256];
123
124 //Colorspace stuff
125 int contrast, brightness, saturation; // for sws_getColorspaceDetails
126 int srcColorspaceTable[4];
127 int dstColorspaceTable[4];
128 int srcRange, dstRange;
fd5c57b8 129 int oy,cy,cvr,cvg,cug,cub;
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130
131#define RED_DITHER "0*8"
132#define GREEN_DITHER "1*8"
133#define BLUE_DITHER "2*8"
134#define Y_COEFF "3*8"
135#define VR_COEFF "4*8"
136#define UB_COEFF "5*8"
137#define VG_COEFF "6*8"
138#define UG_COEFF "7*8"
139#define Y_OFFSET "8*8"
140#define U_OFFSET "9*8"
141#define V_OFFSET "10*8"
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142#define LUM_MMX_FILTER_OFFSET "11*8"
143#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
8a322796 144#define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
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145#define ESP_OFFSET "11*8+4*4*256*2+8"
146#define VROUNDER_OFFSET "11*8+4*4*256*2+16"
147#define U_TEMP "11*8+4*4*256*2+24"
148#define V_TEMP "11*8+4*4*256*2+32"
149
150 uint64_t redDither __attribute__((aligned(8)));
151 uint64_t greenDither __attribute__((aligned(8)));
152 uint64_t blueDither __attribute__((aligned(8)));
153
154 uint64_t yCoeff __attribute__((aligned(8)));
155 uint64_t vrCoeff __attribute__((aligned(8)));
156 uint64_t ubCoeff __attribute__((aligned(8)));
157 uint64_t vgCoeff __attribute__((aligned(8)));
158 uint64_t ugCoeff __attribute__((aligned(8)));
159 uint64_t yOffset __attribute__((aligned(8)));
160 uint64_t uOffset __attribute__((aligned(8)));
161 uint64_t vOffset __attribute__((aligned(8)));
162 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
163 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
164 int dstW;
165 uint64_t esp __attribute__((aligned(8)));
166 uint64_t vRounder __attribute__((aligned(8)));
167 uint64_t u_temp __attribute__((aligned(8)));
168 uint64_t v_temp __attribute__((aligned(8)));
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169
170#ifdef HAVE_ALTIVEC
171
172 vector signed short CY;
173 vector signed short CRV;
174 vector signed short CBU;
175 vector signed short CGU;
176 vector signed short CGV;
177 vector signed short OY;
178 vector unsigned short CSHIFT;
221b804f 179 vector signed short *vYCoeffsBank, *vCCoeffsBank;
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180
181#endif
182
d3f3eea9 183
721d5e3b 184#ifdef ARCH_BFIN
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185 uint32_t oy __attribute__((aligned(4)));
186 uint32_t oc __attribute__((aligned(4)));
187 uint32_t zero __attribute__((aligned(4)));
188 uint32_t cy __attribute__((aligned(4)));
189 uint32_t crv __attribute__((aligned(4)));
190 uint32_t rmask __attribute__((aligned(4)));
191 uint32_t cbu __attribute__((aligned(4)));
192 uint32_t bmask __attribute__((aligned(4)));
193 uint32_t cgu __attribute__((aligned(4)));
194 uint32_t cgv __attribute__((aligned(4)));
195 uint32_t gmask __attribute__((aligned(4)));
196#endif
197
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198#ifdef HAVE_VIS
199 uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
200#endif
d3f3eea9 201
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202} SwsContext;
203//FIXME check init (where 0)
5427e242 204
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205SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
206int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
207
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208void yuv2rgb_altivec_init_tables (SwsContext *c, const int inv_table[4],int brightness,int contrast, int saturation);
209SwsFunc yuv2rgb_init_altivec (SwsContext *c);
210void altivec_yuv2packedX (SwsContext *c,
211 int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
212 int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
213 uint8_t *dest, int dstW, int dstY);
214
8055ede6 215const char *sws_format_name(int format);
94c4def2 216
e9e12f0e 217//FIXME replace this with something faster
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218#define isPlanarYUV(x) ( \
219 (x)==PIX_FMT_YUV410P \
220 || (x)==PIX_FMT_YUV420P \
221 || (x)==PIX_FMT_YUV411P \
222 || (x)==PIX_FMT_YUV422P \
223 || (x)==PIX_FMT_YUV444P \
9ba7fe6d 224 || (x)==PIX_FMT_YUV440P \
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225 || (x)==PIX_FMT_NV12 \
226 || (x)==PIX_FMT_NV21 \
227 )
228#define isYUV(x) ( \
229 (x)==PIX_FMT_UYVY422 \
230 || (x)==PIX_FMT_YUYV422 \
231 || isPlanarYUV(x) \
232 )
233#define isGray(x) ( \
234 (x)==PIX_FMT_GRAY8 \
235 || (x)==PIX_FMT_GRAY16BE \
236 || (x)==PIX_FMT_GRAY16LE \
237 )
238#define isGray16(x) ( \
239 (x)==PIX_FMT_GRAY16BE \
240 || (x)==PIX_FMT_GRAY16LE \
241 )
242#define isRGB(x) ( \
d52337af 243 (x)==PIX_FMT_RGB32 \
9990e426 244 || (x)==PIX_FMT_RGB32_1 \
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245 || (x)==PIX_FMT_RGB24 \
246 || (x)==PIX_FMT_RGB565 \
247 || (x)==PIX_FMT_RGB555 \
248 || (x)==PIX_FMT_RGB8 \
249 || (x)==PIX_FMT_RGB4 \
250 || (x)==PIX_FMT_RGB4_BYTE \
251 || (x)==PIX_FMT_MONOBLACK \
ec1bca2a 252 || (x)==PIX_FMT_MONOWHITE \
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253 )
254#define isBGR(x) ( \
d52337af 255 (x)==PIX_FMT_BGR32 \
9990e426 256 || (x)==PIX_FMT_BGR32_1 \
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257 || (x)==PIX_FMT_BGR24 \
258 || (x)==PIX_FMT_BGR565 \
259 || (x)==PIX_FMT_BGR555 \
260 || (x)==PIX_FMT_BGR8 \
261 || (x)==PIX_FMT_BGR4 \
262 || (x)==PIX_FMT_BGR4_BYTE \
263 || (x)==PIX_FMT_MONOBLACK \
ec1bca2a 264 || (x)==PIX_FMT_MONOWHITE \
9d9de37d 265 )
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266
267static inline int fmt_depth(int fmt)
268{
269 switch(fmt) {
270 case PIX_FMT_BGRA:
271 case PIX_FMT_ABGR:
272 case PIX_FMT_RGBA:
273 case PIX_FMT_ARGB:
274 return 32;
275 case PIX_FMT_BGR24:
276 case PIX_FMT_RGB24:
277 return 24;
278 case PIX_FMT_BGR565:
279 case PIX_FMT_RGB565:
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280 case PIX_FMT_GRAY16BE:
281 case PIX_FMT_GRAY16LE:
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282 return 16;
283 case PIX_FMT_BGR555:
284 case PIX_FMT_RGB555:
285 return 15;
286 case PIX_FMT_BGR8:
287 case PIX_FMT_RGB8:
288 return 8;
289 case PIX_FMT_BGR4:
290 case PIX_FMT_RGB4:
291 case PIX_FMT_BGR4_BYTE:
292 case PIX_FMT_RGB4_BYTE:
293 return 4;
294 case PIX_FMT_MONOBLACK:
ec1bca2a 295 case PIX_FMT_MONOWHITE:
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296 return 1;
297 default:
298 return 0;
299 }
300}
301
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302extern const DECLARE_ALIGNED(8, uint64_t, ff_dither4[2]);
303extern const DECLARE_ALIGNED(8, uint64_t, ff_dither8[2]);
304
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305extern const AVClass sws_context_class;
306
0eaf5235 307#endif /* SWSCALE_SWSCALE_INTERNAL_H */