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 FFMPEG_SWSCALE_INTERNAL_H
22 #define FFMPEG_SWSCALE_INTERNAL_H
32 #define MAX_FILTER_SIZE 256
34 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
35 int srcSliceH, uint8_t* dst[], int dstStride[]);
37 /* this struct should be aligned on at least 32-byte boundary */
38 typedef struct SwsContext{
40 * info on struct for av_log
45 * Note that src, dst, srcStride, dstStride will be copied in the
46 * sws_scale() wrapper so they can be freely modified here.
50 int chrSrcW, chrSrcH, chrDstW, chrDstH;
53 int dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
54 int origDstFormat, origSrcFormat; ///< format
55 int chrSrcHSubSample, chrSrcVSubSample;
56 int chrIntHSubSample, chrIntVSubSample;
57 int chrDstHSubSample, chrDstVSubSample;
65 int16_t *hLumFilterPos;
67 int16_t *hChrFilterPos;
69 int16_t *vLumFilterPos;
71 int16_t *vChrFilterPos;
73 uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change a lot of code for this to be useful
84 int32_t *lumMmx2FilterPos;
85 int32_t *chrMmx2FilterPos;
86 int16_t *lumMmx2Filter;
87 int16_t *chrMmx2Filter;
97 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
98 uint8_t * table_rV[256];
99 uint8_t * table_gU[256];
101 uint8_t * table_bU[256];
104 int contrast, brightness, saturation; // for sws_getColorspaceDetails
105 int srcColorspaceTable[4];
106 int dstColorspaceTable[4];
107 int srcRange, dstRange;
109 #define RED_DITHER "0*8"
110 #define GREEN_DITHER "1*8"
111 #define BLUE_DITHER "2*8"
112 #define Y_COEFF "3*8"
113 #define VR_COEFF "4*8"
114 #define UB_COEFF "5*8"
115 #define VG_COEFF "6*8"
116 #define UG_COEFF "7*8"
117 #define Y_OFFSET "8*8"
118 #define U_OFFSET "9*8"
119 #define V_OFFSET "10*8"
120 #define LUM_MMX_FILTER_OFFSET "11*8"
121 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
122 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the asm
123 #define ESP_OFFSET "11*8+4*4*256*2+8"
124 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
125 #define U_TEMP "11*8+4*4*256*2+24"
126 #define V_TEMP "11*8+4*4*256*2+32"
128 uint64_t redDither __attribute__((aligned(8)));
129 uint64_t greenDither __attribute__((aligned(8)));
130 uint64_t blueDither __attribute__((aligned(8)));
132 uint64_t yCoeff __attribute__((aligned(8)));
133 uint64_t vrCoeff __attribute__((aligned(8)));
134 uint64_t ubCoeff __attribute__((aligned(8)));
135 uint64_t vgCoeff __attribute__((aligned(8)));
136 uint64_t ugCoeff __attribute__((aligned(8)));
137 uint64_t yOffset __attribute__((aligned(8)));
138 uint64_t uOffset __attribute__((aligned(8)));
139 uint64_t vOffset __attribute__((aligned(8)));
140 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
141 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
143 uint64_t esp __attribute__((aligned(8)));
144 uint64_t vRounder __attribute__((aligned(8)));
145 uint64_t u_temp __attribute__((aligned(8)));
146 uint64_t v_temp __attribute__((aligned(8)));
150 vector signed short CY;
151 vector signed short CRV;
152 vector signed short CBU;
153 vector signed short CGU;
154 vector signed short CGV;
155 vector signed short OY;
156 vector unsigned short CSHIFT;
157 vector signed short *vYCoeffsBank, *vCCoeffsBank;
163 uint32_t oy __attribute__((aligned(4)));
164 uint32_t oc __attribute__((aligned(4)));
165 uint32_t zero __attribute__((aligned(4)));
166 uint32_t cy __attribute__((aligned(4)));
167 uint32_t crv __attribute__((aligned(4)));
168 uint32_t rmask __attribute__((aligned(4)));
169 uint32_t cbu __attribute__((aligned(4)));
170 uint32_t bmask __attribute__((aligned(4)));
171 uint32_t cgu __attribute__((aligned(4)));
172 uint32_t cgv __attribute__((aligned(4)));
173 uint32_t gmask __attribute__((aligned(4)));
177 uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
181 //FIXME check init (where 0)
183 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
184 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
186 void yuv2rgb_altivec_init_tables (SwsContext *c, const int inv_table[4],int brightness,int contrast, int saturation);
187 SwsFunc yuv2rgb_init_altivec (SwsContext *c);
188 void altivec_yuv2packedX (SwsContext *c,
189 int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
190 int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
191 uint8_t *dest, int dstW, int dstY);
193 char *sws_format_name(int format);
195 //FIXME replace this with something faster
196 #define isPlanarYUV(x) ( \
197 (x)==PIX_FMT_YUV410P \
198 || (x)==PIX_FMT_YUV420P \
199 || (x)==PIX_FMT_YUV411P \
200 || (x)==PIX_FMT_YUV422P \
201 || (x)==PIX_FMT_YUV444P \
202 || (x)==PIX_FMT_YUV440P \
203 || (x)==PIX_FMT_NV12 \
204 || (x)==PIX_FMT_NV21 \
207 (x)==PIX_FMT_UYVY422 \
208 || (x)==PIX_FMT_YUYV422 \
211 #define isGray(x) ( \
213 || (x)==PIX_FMT_GRAY16BE \
214 || (x)==PIX_FMT_GRAY16LE \
216 #define isGray16(x) ( \
217 (x)==PIX_FMT_GRAY16BE \
218 || (x)==PIX_FMT_GRAY16LE \
222 || (x)==PIX_FMT_RGB24 \
223 || (x)==PIX_FMT_RGB565 \
224 || (x)==PIX_FMT_RGB555 \
225 || (x)==PIX_FMT_RGB8 \
226 || (x)==PIX_FMT_RGB4 \
227 || (x)==PIX_FMT_RGB4_BYTE \
228 || (x)==PIX_FMT_MONOBLACK \
232 || (x)==PIX_FMT_BGR24 \
233 || (x)==PIX_FMT_BGR565 \
234 || (x)==PIX_FMT_BGR555 \
235 || (x)==PIX_FMT_BGR8 \
236 || (x)==PIX_FMT_BGR4 \
237 || (x)==PIX_FMT_BGR4_BYTE \
238 || (x)==PIX_FMT_MONOBLACK \
241 static inline int fmt_depth(int fmt)
254 case PIX_FMT_GRAY16BE:
255 case PIX_FMT_GRAY16LE:
265 case PIX_FMT_BGR4_BYTE:
266 case PIX_FMT_RGB4_BYTE:
268 case PIX_FMT_MONOBLACK:
275 extern const DECLARE_ALIGNED(8, uint64_t, ff_dither4[2]);
276 extern const DECLARE_ALIGNED(8, uint64_t, ff_dither8[2]);
278 #endif /* FFMPEG_SWSCALE_INTERNAL_H */