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 #ifdef WORDS_BIGENDIAN
40 #define ALT32_CORR (-1)
55 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
56 int srcSliceH, uint8_t* dst[], int dstStride[]);
58 /* This struct should be aligned on at least a 32-byte boundary. */
59 typedef struct SwsContext{
61 * info on struct for av_log
63 const AVClass *av_class;
66 * Note that src, dst, srcStride, dstStride will be copied in the
67 * sws_scale() wrapper so they can be freely modified here.
71 int chrSrcW, chrSrcH, chrDstW, chrDstH;
74 enum PixelFormat 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;
86 int16_t *hLumFilterPos;
88 int16_t *hChrFilterPos;
90 int16_t *vLumFilterPos;
92 int16_t *vChrFilterPos;
94 uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
104 uint8_t *funnyUVCode;
105 int32_t *lumMmx2FilterPos;
106 int32_t *chrMmx2FilterPos;
107 int16_t *lumMmx2Filter;
108 int16_t *chrMmx2Filter;
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];
122 uint8_t * table_bU[256];
125 int contrast, brightness, saturation; // for sws_getColorspaceDetails
126 int srcColorspaceTable[4];
127 int dstColorspaceTable[4];
128 int srcRange, dstRange;
129 int yuv2rgb_y_offset;
131 int yuv2rgb_v2r_coeff;
132 int yuv2rgb_v2g_coeff;
133 int yuv2rgb_u2g_coeff;
134 int yuv2rgb_u2b_coeff;
136 #define RED_DITHER "0*8"
137 #define GREEN_DITHER "1*8"
138 #define BLUE_DITHER "2*8"
139 #define Y_COEFF "3*8"
140 #define VR_COEFF "4*8"
141 #define UB_COEFF "5*8"
142 #define VG_COEFF "6*8"
143 #define UG_COEFF "7*8"
144 #define Y_OFFSET "8*8"
145 #define U_OFFSET "9*8"
146 #define V_OFFSET "10*8"
147 #define LUM_MMX_FILTER_OFFSET "11*8"
148 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
149 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
150 #define ESP_OFFSET "11*8+4*4*256*2+8"
151 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
152 #define U_TEMP "11*8+4*4*256*2+24"
153 #define V_TEMP "11*8+4*4*256*2+32"
155 uint64_t redDither __attribute__((aligned(8)));
156 uint64_t greenDither __attribute__((aligned(8)));
157 uint64_t blueDither __attribute__((aligned(8)));
159 uint64_t yCoeff __attribute__((aligned(8)));
160 uint64_t vrCoeff __attribute__((aligned(8)));
161 uint64_t ubCoeff __attribute__((aligned(8)));
162 uint64_t vgCoeff __attribute__((aligned(8)));
163 uint64_t ugCoeff __attribute__((aligned(8)));
164 uint64_t yOffset __attribute__((aligned(8)));
165 uint64_t uOffset __attribute__((aligned(8)));
166 uint64_t vOffset __attribute__((aligned(8)));
167 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
168 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
170 uint64_t esp __attribute__((aligned(8)));
171 uint64_t vRounder __attribute__((aligned(8)));
172 uint64_t u_temp __attribute__((aligned(8)));
173 uint64_t v_temp __attribute__((aligned(8)));
177 vector signed short CY;
178 vector signed short CRV;
179 vector signed short CBU;
180 vector signed short CGU;
181 vector signed short CGV;
182 vector signed short OY;
183 vector unsigned short CSHIFT;
184 vector signed short *vYCoeffsBank, *vCCoeffsBank;
190 uint32_t oy __attribute__((aligned(4)));
191 uint32_t oc __attribute__((aligned(4)));
192 uint32_t zero __attribute__((aligned(4)));
193 uint32_t cy __attribute__((aligned(4)));
194 uint32_t crv __attribute__((aligned(4)));
195 uint32_t rmask __attribute__((aligned(4)));
196 uint32_t cbu __attribute__((aligned(4)));
197 uint32_t bmask __attribute__((aligned(4)));
198 uint32_t cgu __attribute__((aligned(4)));
199 uint32_t cgv __attribute__((aligned(4)));
200 uint32_t gmask __attribute__((aligned(4)));
204 uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
208 //FIXME check init (where 0)
210 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
211 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
213 void yuv2rgb_altivec_init_tables (SwsContext *c, const int inv_table[4],int brightness,int contrast, int saturation);
214 SwsFunc yuv2rgb_init_altivec (SwsContext *c);
215 void altivec_yuv2packedX (SwsContext *c,
216 int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
217 int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
218 uint8_t *dest, int dstW, int dstY);
220 const char *sws_format_name(int format);
222 //FIXME replace this with something faster
223 #define isPlanarYUV(x) ( \
224 (x)==PIX_FMT_YUV410P \
225 || (x)==PIX_FMT_YUV420P \
226 || (x)==PIX_FMT_YUV411P \
227 || (x)==PIX_FMT_YUV422P \
228 || (x)==PIX_FMT_YUV444P \
229 || (x)==PIX_FMT_YUV440P \
230 || (x)==PIX_FMT_NV12 \
231 || (x)==PIX_FMT_NV21 \
234 (x)==PIX_FMT_UYVY422 \
235 || (x)==PIX_FMT_YUYV422 \
238 #define isGray(x) ( \
240 || (x)==PIX_FMT_GRAY16BE \
241 || (x)==PIX_FMT_GRAY16LE \
243 #define isGray16(x) ( \
244 (x)==PIX_FMT_GRAY16BE \
245 || (x)==PIX_FMT_GRAY16LE \
249 || (x)==PIX_FMT_RGB32_1 \
250 || (x)==PIX_FMT_RGB24 \
251 || (x)==PIX_FMT_RGB565 \
252 || (x)==PIX_FMT_RGB555 \
253 || (x)==PIX_FMT_RGB8 \
254 || (x)==PIX_FMT_RGB4 \
255 || (x)==PIX_FMT_RGB4_BYTE \
256 || (x)==PIX_FMT_MONOBLACK \
257 || (x)==PIX_FMT_MONOWHITE \
261 || (x)==PIX_FMT_BGR32_1 \
262 || (x)==PIX_FMT_BGR24 \
263 || (x)==PIX_FMT_BGR565 \
264 || (x)==PIX_FMT_BGR555 \
265 || (x)==PIX_FMT_BGR8 \
266 || (x)==PIX_FMT_BGR4 \
267 || (x)==PIX_FMT_BGR4_BYTE \
268 || (x)==PIX_FMT_MONOBLACK \
269 || (x)==PIX_FMT_MONOWHITE \
272 static inline int fmt_depth(int fmt)
285 case PIX_FMT_GRAY16BE:
286 case PIX_FMT_GRAY16LE:
296 case PIX_FMT_BGR4_BYTE:
297 case PIX_FMT_RGB4_BYTE:
299 case PIX_FMT_MONOBLACK:
300 case PIX_FMT_MONOWHITE:
307 extern const DECLARE_ALIGNED(8, uint64_t, ff_dither4[2]);
308 extern const DECLARE_ALIGNED(8, uint64_t, ff_dither8[2]);
310 extern const AVClass sws_context_class;
312 #endif /* SWSCALE_SWSCALE_INTERNAL_H */