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 St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef SWSCALE_INTERNAL_H
22 #define SWSCALE_INTERNAL_H
36 #define MAX_FILTER_SIZE 256
38 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
39 int srcSliceH, uint8_t* dst[], int dstStride[]);
41 /* this struct should be aligned on at least 32-byte boundary */
42 typedef struct SwsContext{
44 * info on struct for av_log
50 * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
54 int chrSrcW, chrSrcH, chrDstW, chrDstH;
57 int dstFormat, srcFormat; ///< format 4:2:0 type is allways YV12
58 int origDstFormat, origSrcFormat; ///< format
59 int chrSrcHSubSample, chrSrcVSubSample;
60 int chrIntHSubSample, chrIntVSubSample;
61 int chrDstHSubSample, chrDstVSubSample;
69 int16_t *hLumFilterPos;
71 int16_t *hChrFilterPos;
73 int16_t *vLumFilterPos;
75 int16_t *vChrFilterPos;
77 uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change a lot of code for this to be useful
88 int32_t *lumMmx2FilterPos;
89 int32_t *chrMmx2FilterPos;
90 int16_t *lumMmx2Filter;
91 int16_t *chrMmx2Filter;
101 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
102 uint8_t * table_rV[256];
103 uint8_t * table_gU[256];
105 uint8_t * table_bU[256];
108 int contrast, brightness, saturation; // for sws_getColorspaceDetails
109 int srcColorspaceTable[4];
110 int dstColorspaceTable[4];
111 int srcRange, dstRange;
113 #define RED_DITHER "0*8"
114 #define GREEN_DITHER "1*8"
115 #define BLUE_DITHER "2*8"
116 #define Y_COEFF "3*8"
117 #define VR_COEFF "4*8"
118 #define UB_COEFF "5*8"
119 #define VG_COEFF "6*8"
120 #define UG_COEFF "7*8"
121 #define Y_OFFSET "8*8"
122 #define U_OFFSET "9*8"
123 #define V_OFFSET "10*8"
124 #define LUM_MMX_FILTER_OFFSET "11*8"
125 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
126 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, its hardcoded in the asm
127 #define ESP_OFFSET "11*8+4*4*256*2+8"
128 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
129 #define U_TEMP "11*8+4*4*256*2+24"
130 #define V_TEMP "11*8+4*4*256*2+32"
132 uint64_t redDither __attribute__((aligned(8)));
133 uint64_t greenDither __attribute__((aligned(8)));
134 uint64_t blueDither __attribute__((aligned(8)));
136 uint64_t yCoeff __attribute__((aligned(8)));
137 uint64_t vrCoeff __attribute__((aligned(8)));
138 uint64_t ubCoeff __attribute__((aligned(8)));
139 uint64_t vgCoeff __attribute__((aligned(8)));
140 uint64_t ugCoeff __attribute__((aligned(8)));
141 uint64_t yOffset __attribute__((aligned(8)));
142 uint64_t uOffset __attribute__((aligned(8)));
143 uint64_t vOffset __attribute__((aligned(8)));
144 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
145 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
147 uint64_t esp __attribute__((aligned(8)));
148 uint64_t vRounder __attribute__((aligned(8)));
149 uint64_t u_temp __attribute__((aligned(8)));
150 uint64_t v_temp __attribute__((aligned(8)));
154 vector signed short CY;
155 vector signed short CRV;
156 vector signed short CBU;
157 vector signed short CGU;
158 vector signed short CGV;
159 vector signed short OY;
160 vector unsigned short CSHIFT;
161 vector signed short *vYCoeffsBank, *vCCoeffsBank;
166 //FIXME check init (where 0)
168 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
169 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
171 char *sws_format_name(int format);
173 //FIXME replace this with something faster
174 #define isPlanarYUV(x) ((x)==PIX_FMT_YUV410P || (x)==PIX_FMT_YUV420P \
175 || (x)==PIX_FMT_YUV411P || (x)==PIX_FMT_YUV422P \
176 || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_NV12 \
177 || (x)==PIX_FMT_NV21)
178 #define isYUV(x) ((x)==PIX_FMT_UYVY422 || (x)==PIX_FMT_YUYV422 || isPlanarYUV(x))
179 #define isGray(x) ((x)==PIX_FMT_GRAY8 || (x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
180 #define isGray16(x) ((x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
181 #define isRGB(x) ((x)==PIX_FMT_BGR32 || (x)==PIX_FMT_RGB24 \
182 || (x)==PIX_FMT_RGB565 || (x)==PIX_FMT_RGB555 \
183 || (x)==PIX_FMT_RGB8 || (x)==PIX_FMT_RGB4 || (x)==PIX_FMT_RGB4_BYTE \
184 || (x)==PIX_FMT_MONOBLACK)
185 #define isBGR(x) ((x)==PIX_FMT_RGB32 || (x)==PIX_FMT_BGR24 \
186 || (x)==PIX_FMT_BGR565 || (x)==PIX_FMT_BGR555 \
187 || (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_BGR4 || (x)==PIX_FMT_BGR4_BYTE \
188 || (x)==PIX_FMT_MONOBLACK)
190 static inline int fmt_depth(int fmt)
203 case PIX_FMT_GRAY16BE:
204 case PIX_FMT_GRAY16LE:
214 case PIX_FMT_BGR4_BYTE:
215 case PIX_FMT_RGB4_BYTE:
217 case PIX_FMT_MONOBLACK: