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_INTERNAL_H
22 #define SWSCALE_INTERNAL_H
30 #define MAX_FILTER_SIZE 256
32 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
33 int srcSliceH, uint8_t* dst[], int dstStride[]);
35 /* this struct should be aligned on at least 32-byte boundary */
36 typedef struct SwsContext{
38 * info on struct for av_log
44 * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
48 int chrSrcW, chrSrcH, chrDstW, chrDstH;
51 int dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
52 int origDstFormat, origSrcFormat; ///< format
53 int chrSrcHSubSample, chrSrcVSubSample;
54 int chrIntHSubSample, chrIntVSubSample;
55 int chrDstHSubSample, chrDstVSubSample;
63 int16_t *hLumFilterPos;
65 int16_t *hChrFilterPos;
67 int16_t *vLumFilterPos;
69 int16_t *vChrFilterPos;
71 uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change a lot of code for this to be useful
82 int32_t *lumMmx2FilterPos;
83 int32_t *chrMmx2FilterPos;
84 int16_t *lumMmx2Filter;
85 int16_t *chrMmx2Filter;
95 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
96 uint8_t * table_rV[256];
97 uint8_t * table_gU[256];
99 uint8_t * table_bU[256];
102 int contrast, brightness, saturation; // for sws_getColorspaceDetails
103 int srcColorspaceTable[4];
104 int dstColorspaceTable[4];
105 int srcRange, dstRange;
107 #define RED_DITHER "0*8"
108 #define GREEN_DITHER "1*8"
109 #define BLUE_DITHER "2*8"
110 #define Y_COEFF "3*8"
111 #define VR_COEFF "4*8"
112 #define UB_COEFF "5*8"
113 #define VG_COEFF "6*8"
114 #define UG_COEFF "7*8"
115 #define Y_OFFSET "8*8"
116 #define U_OFFSET "9*8"
117 #define V_OFFSET "10*8"
118 #define LUM_MMX_FILTER_OFFSET "11*8"
119 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
120 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the asm
121 #define ESP_OFFSET "11*8+4*4*256*2+8"
122 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
123 #define U_TEMP "11*8+4*4*256*2+24"
124 #define V_TEMP "11*8+4*4*256*2+32"
126 uint64_t redDither __attribute__((aligned(8)));
127 uint64_t greenDither __attribute__((aligned(8)));
128 uint64_t blueDither __attribute__((aligned(8)));
130 uint64_t yCoeff __attribute__((aligned(8)));
131 uint64_t vrCoeff __attribute__((aligned(8)));
132 uint64_t ubCoeff __attribute__((aligned(8)));
133 uint64_t vgCoeff __attribute__((aligned(8)));
134 uint64_t ugCoeff __attribute__((aligned(8)));
135 uint64_t yOffset __attribute__((aligned(8)));
136 uint64_t uOffset __attribute__((aligned(8)));
137 uint64_t vOffset __attribute__((aligned(8)));
138 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
139 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
141 uint64_t esp __attribute__((aligned(8)));
142 uint64_t vRounder __attribute__((aligned(8)));
143 uint64_t u_temp __attribute__((aligned(8)));
144 uint64_t v_temp __attribute__((aligned(8)));
148 vector signed short CY;
149 vector signed short CRV;
150 vector signed short CBU;
151 vector signed short CGU;
152 vector signed short CGV;
153 vector signed short OY;
154 vector unsigned short CSHIFT;
155 vector signed short *vYCoeffsBank, *vCCoeffsBank;
161 uint32_t oy __attribute__((aligned(4)));
162 uint32_t oc __attribute__((aligned(4)));
163 uint32_t zero __attribute__((aligned(4)));
164 uint32_t cy __attribute__((aligned(4)));
165 uint32_t crv __attribute__((aligned(4)));
166 uint32_t rmask __attribute__((aligned(4)));
167 uint32_t cbu __attribute__((aligned(4)));
168 uint32_t bmask __attribute__((aligned(4)));
169 uint32_t cgu __attribute__((aligned(4)));
170 uint32_t cgv __attribute__((aligned(4)));
171 uint32_t gmask __attribute__((aligned(4)));
175 uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
179 //FIXME check init (where 0)
181 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
182 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
184 char *sws_format_name(int format);
186 //FIXME replace this with something faster
187 #define isPlanarYUV(x) ( \
188 (x)==PIX_FMT_YUV410P \
189 || (x)==PIX_FMT_YUV420P \
190 || (x)==PIX_FMT_YUV411P \
191 || (x)==PIX_FMT_YUV422P \
192 || (x)==PIX_FMT_YUV444P \
193 || (x)==PIX_FMT_YUV440P \
194 || (x)==PIX_FMT_NV12 \
195 || (x)==PIX_FMT_NV21 \
198 (x)==PIX_FMT_UYVY422 \
199 || (x)==PIX_FMT_YUYV422 \
202 #define isGray(x) ( \
204 || (x)==PIX_FMT_GRAY16BE \
205 || (x)==PIX_FMT_GRAY16LE \
207 #define isGray16(x) ( \
208 (x)==PIX_FMT_GRAY16BE \
209 || (x)==PIX_FMT_GRAY16LE \
213 || (x)==PIX_FMT_RGB24 \
214 || (x)==PIX_FMT_RGB565 \
215 || (x)==PIX_FMT_RGB555 \
216 || (x)==PIX_FMT_RGB8 \
217 || (x)==PIX_FMT_RGB4 \
218 || (x)==PIX_FMT_RGB4_BYTE \
219 || (x)==PIX_FMT_MONOBLACK \
223 || (x)==PIX_FMT_BGR24 \
224 || (x)==PIX_FMT_BGR565 \
225 || (x)==PIX_FMT_BGR555 \
226 || (x)==PIX_FMT_BGR8 \
227 || (x)==PIX_FMT_BGR4 \
228 || (x)==PIX_FMT_BGR4_BYTE \
229 || (x)==PIX_FMT_MONOBLACK \
232 static inline int fmt_depth(int fmt)
245 case PIX_FMT_GRAY16BE:
246 case PIX_FMT_GRAY16LE:
256 case PIX_FMT_BGR4_BYTE:
257 case PIX_FMT_RGB4_BYTE:
259 case PIX_FMT_MONOBLACK: