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 #endif /* FFMPEG_SWSCALE_INTERNAL_H */