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)
57 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
58 int srcSliceH, uint8_t* dst[], int dstStride[]);
60 /* This struct should be aligned on at least a 32-byte boundary. */
61 typedef struct SwsContext{
63 * info on struct for av_log
65 const AVClass *av_class;
68 * Note that src, dst, srcStride, dstStride will be copied in the
69 * sws_scale() wrapper so they can be freely modified here.
73 int chrSrcW, chrSrcH, chrDstW, chrDstH;
76 enum PixelFormat dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
77 int origDstFormat, origSrcFormat; ///< format
78 int chrSrcHSubSample, chrSrcVSubSample;
79 int chrIntHSubSample, chrIntVSubSample;
80 int chrDstHSubSample, chrDstVSubSample;
85 uint32_t pal_yuv[256];
86 uint32_t pal_rgb[256];
92 int16_t *hLumFilterPos;
94 int16_t *hChrFilterPos;
96 int16_t *vLumFilterPos;
98 int16_t *vChrFilterPos;
100 uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
110 uint8_t *funnyUVCode;
111 int32_t *lumMmx2FilterPos;
112 int32_t *chrMmx2FilterPos;
113 int16_t *lumMmx2Filter;
114 int16_t *chrMmx2Filter;
124 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
125 uint8_t * table_rV[256];
126 uint8_t * table_gU[256];
128 uint8_t * table_bU[256];
131 int contrast, brightness, saturation; // for sws_getColorspaceDetails
132 int srcColorspaceTable[4];
133 int dstColorspaceTable[4];
134 int srcRange, dstRange;
135 int yuv2rgb_y_offset;
137 int yuv2rgb_v2r_coeff;
138 int yuv2rgb_v2g_coeff;
139 int yuv2rgb_u2g_coeff;
140 int yuv2rgb_u2b_coeff;
142 #define RED_DITHER "0*8"
143 #define GREEN_DITHER "1*8"
144 #define BLUE_DITHER "2*8"
145 #define Y_COEFF "3*8"
146 #define VR_COEFF "4*8"
147 #define UB_COEFF "5*8"
148 #define VG_COEFF "6*8"
149 #define UG_COEFF "7*8"
150 #define Y_OFFSET "8*8"
151 #define U_OFFSET "9*8"
152 #define V_OFFSET "10*8"
153 #define LUM_MMX_FILTER_OFFSET "11*8"
154 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
155 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
156 #define ESP_OFFSET "11*8+4*4*256*2+8"
157 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
158 #define U_TEMP "11*8+4*4*256*2+24"
159 #define V_TEMP "11*8+4*4*256*2+32"
160 #define Y_TEMP "11*8+4*4*256*2+40"
161 #define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
163 uint64_t redDither __attribute__((aligned(8)));
164 uint64_t greenDither __attribute__((aligned(8)));
165 uint64_t blueDither __attribute__((aligned(8)));
167 uint64_t yCoeff __attribute__((aligned(8)));
168 uint64_t vrCoeff __attribute__((aligned(8)));
169 uint64_t ubCoeff __attribute__((aligned(8)));
170 uint64_t vgCoeff __attribute__((aligned(8)));
171 uint64_t ugCoeff __attribute__((aligned(8)));
172 uint64_t yOffset __attribute__((aligned(8)));
173 uint64_t uOffset __attribute__((aligned(8)));
174 uint64_t vOffset __attribute__((aligned(8)));
175 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
176 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
178 uint64_t esp __attribute__((aligned(8)));
179 uint64_t vRounder __attribute__((aligned(8)));
180 uint64_t u_temp __attribute__((aligned(8)));
181 uint64_t v_temp __attribute__((aligned(8)));
182 uint64_t y_temp __attribute__((aligned(8)));
183 int32_t alpMmxFilter[4*MAX_FILTER_SIZE];
187 vector signed short CY;
188 vector signed short CRV;
189 vector signed short CBU;
190 vector signed short CGU;
191 vector signed short CGV;
192 vector signed short OY;
193 vector unsigned short CSHIFT;
194 vector signed short *vYCoeffsBank, *vCCoeffsBank;
200 uint32_t oy __attribute__((aligned(4)));
201 uint32_t oc __attribute__((aligned(4)));
202 uint32_t zero __attribute__((aligned(4)));
203 uint32_t cy __attribute__((aligned(4)));
204 uint32_t crv __attribute__((aligned(4)));
205 uint32_t rmask __attribute__((aligned(4)));
206 uint32_t cbu __attribute__((aligned(4)));
207 uint32_t bmask __attribute__((aligned(4)));
208 uint32_t cgu __attribute__((aligned(4)));
209 uint32_t cgv __attribute__((aligned(4)));
210 uint32_t gmask __attribute__((aligned(4)));
214 uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
218 //FIXME check init (where 0)
220 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c);
221 int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
223 void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4], int brightness, int contrast, int saturation);
224 SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
225 void ff_yuv2packedX_altivec(SwsContext *c,
226 int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
227 int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
228 uint8_t *dest, int dstW, int dstY);
230 const char *sws_format_name(int format);
232 //FIXME replace this with something faster
233 #define isPlanarYUV(x) ( \
234 (x)==PIX_FMT_YUV410P \
235 || (x)==PIX_FMT_YUV420P \
236 || (x)==PIX_FMT_YUVA420P \
237 || (x)==PIX_FMT_YUV411P \
238 || (x)==PIX_FMT_YUV422P \
239 || (x)==PIX_FMT_YUV444P \
240 || (x)==PIX_FMT_YUV440P \
241 || (x)==PIX_FMT_NV12 \
242 || (x)==PIX_FMT_NV21 \
245 (x)==PIX_FMT_UYVY422 \
246 || (x)==PIX_FMT_YUYV422 \
249 #define isGray(x) ( \
251 || (x)==PIX_FMT_GRAY16BE \
252 || (x)==PIX_FMT_GRAY16LE \
254 #define isGray16(x) ( \
255 (x)==PIX_FMT_GRAY16BE \
256 || (x)==PIX_FMT_GRAY16LE \
260 || (x)==PIX_FMT_RGB32_1 \
261 || (x)==PIX_FMT_RGB24 \
262 || (x)==PIX_FMT_RGB565 \
263 || (x)==PIX_FMT_RGB555 \
264 || (x)==PIX_FMT_RGB8 \
265 || (x)==PIX_FMT_RGB4 \
266 || (x)==PIX_FMT_RGB4_BYTE \
267 || (x)==PIX_FMT_MONOBLACK \
268 || (x)==PIX_FMT_MONOWHITE \
272 || (x)==PIX_FMT_BGR32_1 \
273 || (x)==PIX_FMT_BGR24 \
274 || (x)==PIX_FMT_BGR565 \
275 || (x)==PIX_FMT_BGR555 \
276 || (x)==PIX_FMT_BGR8 \
277 || (x)==PIX_FMT_BGR4 \
278 || (x)==PIX_FMT_BGR4_BYTE \
279 || (x)==PIX_FMT_MONOBLACK \
280 || (x)==PIX_FMT_MONOWHITE \
282 #define isALPHA(x) ( \
284 || (x)==PIX_FMT_BGR32_1 \
285 || (x)==PIX_FMT_RGB32 \
286 || (x)==PIX_FMT_RGB32_1 \
287 || (x)==PIX_FMT_YUVA420P \
290 static inline int fmt_depth(int fmt)
303 case PIX_FMT_GRAY16BE:
304 case PIX_FMT_GRAY16LE:
314 case PIX_FMT_BGR4_BYTE:
315 case PIX_FMT_RGB4_BYTE:
317 case PIX_FMT_MONOBLACK:
318 case PIX_FMT_MONOWHITE:
325 extern const uint64_t ff_dither4[2];
326 extern const uint64_t ff_dither8[2];
328 extern const AVClass sws_context_class;
330 #endif /* SWSCALE_SWSCALE_INTERNAL_H */