Correct GET/PUT_UTF8 comment: the get/put functions might be called up
[libav.git] / libswscale / swscale_internal.h
CommitLineData
5427e242 1/*
d026b45e
DB
2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
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
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 * the C code (not assembly, mmx, ...) of the swscaler which has been written
21 * by Michael Niedermayer can be used under the LGPL license too
22 */
5427e242
MN
23
24#ifndef SWSCALE_INTERNAL_H
25#define SWSCALE_INTERNAL_H
26
f2015f0c
AB
27#ifdef HAVE_ALTIVEC_H
28#include <altivec.h>
29#endif
30
94c4def2
LA
31#include "avutil.h"
32
582552fb
LB
33#ifdef CONFIG_DARWIN
34#define AVV(x...) (x)
35#else
36#define AVV(x...) {x}
37#endif
38
94c4def2
LA
39#define MSG_WARN(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
40#define MSG_FATAL(args...) av_log(NULL, AV_LOG_ERROR, ##args )
41#define MSG_ERR(args...) av_log(NULL, AV_LOG_ERROR, ##args )
42#define MSG_V(args...) av_log(NULL, AV_LOG_INFO, ##args )
43#define MSG_DBG2(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
44#define MSG_INFO(args...) av_log(NULL, AV_LOG_INFO, ##args )
b706b007 45
5427e242
MN
46#define MAX_FILTER_SIZE 256
47
d4e24275 48typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
5427e242
MN
49 int srcSliceH, uint8_t* dst[], int dstStride[]);
50
51/* this struct should be aligned on at least 32-byte boundary */
52typedef struct SwsContext{
3e499f53
MN
53 /**
54 *
55 * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
56 */
d4e24275 57 SwsFunc swScale;
5427e242
MN
58 int srcW, srcH, dstH;
59 int chrSrcW, chrSrcH, chrDstW, chrDstH;
60 int lumXInc, chrXInc;
61 int lumYInc, chrYInc;
fccb9b2b
MN
62 int dstFormat, srcFormat; ///< format 4:2:0 type is allways YV12
63 int origDstFormat, origSrcFormat; ///< format
5427e242
MN
64 int chrSrcHSubSample, chrSrcVSubSample;
65 int chrIntHSubSample, chrIntVSubSample;
66 int chrDstHSubSample, chrDstVSubSample;
67 int vChrDrop;
e63ac25d 68 int sliceDir;
66d1cdb6 69 double param[2];
5427e242
MN
70
71 int16_t **lumPixBuf;
72 int16_t **chrPixBuf;
73 int16_t *hLumFilter;
74 int16_t *hLumFilterPos;
75 int16_t *hChrFilter;
76 int16_t *hChrFilterPos;
77 int16_t *vLumFilter;
78 int16_t *vLumFilterPos;
79 int16_t *vChrFilter;
80 int16_t *vChrFilterPos;
81
82 uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
83
84 int hLumFilterSize;
85 int hChrFilterSize;
86 int vLumFilterSize;
87 int vChrFilterSize;
88 int vLumBufSize;
89 int vChrBufSize;
90
38d5c282
AJ
91 uint8_t *funnyYCode;
92 uint8_t *funnyUVCode;
5427e242
MN
93 int32_t *lumMmx2FilterPos;
94 int32_t *chrMmx2FilterPos;
95 int16_t *lumMmx2Filter;
96 int16_t *chrMmx2Filter;
97
98 int canMMX2BeUsed;
99
100 int lastInLumBuf;
101 int lastInChrBuf;
102 int lumBufIndex;
103 int chrBufIndex;
104 int dstY;
105 int flags;
106 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
107 void * table_rV[256];
108 void * table_gU[256];
109 int table_gV[256];
110 void * table_bU[256];
111
112 //Colorspace stuff
113 int contrast, brightness, saturation; // for sws_getColorspaceDetails
114 int srcColorspaceTable[4];
115 int dstColorspaceTable[4];
116 int srcRange, dstRange;
117
5427e242
MN
118#define RED_DITHER "0*8"
119#define GREEN_DITHER "1*8"
120#define BLUE_DITHER "2*8"
121#define Y_COEFF "3*8"
122#define VR_COEFF "4*8"
123#define UB_COEFF "5*8"
124#define VG_COEFF "6*8"
125#define UG_COEFF "7*8"
126#define Y_OFFSET "8*8"
127#define U_OFFSET "9*8"
128#define V_OFFSET "10*8"
8bae9ddc
MN
129#define LUM_MMX_FILTER_OFFSET "11*8"
130#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
131#define DSTW_OFFSET "11*8+4*4*256*2" //do not change, its hardcoded in the asm
902c748c
RD
132#define ESP_OFFSET "11*8+4*4*256*2+8"
133#define VROUNDER_OFFSET "11*8+4*4*256*2+16"
bca11e75
MN
134#define U_TEMP "11*8+4*4*256*2+24"
135#define V_TEMP "11*8+4*4*256*2+32"
136
5427e242
MN
137 uint64_t redDither __attribute__((aligned(8)));
138 uint64_t greenDither __attribute__((aligned(8)));
139 uint64_t blueDither __attribute__((aligned(8)));
140
141 uint64_t yCoeff __attribute__((aligned(8)));
142 uint64_t vrCoeff __attribute__((aligned(8)));
143 uint64_t ubCoeff __attribute__((aligned(8)));
144 uint64_t vgCoeff __attribute__((aligned(8)));
145 uint64_t ugCoeff __attribute__((aligned(8)));
146 uint64_t yOffset __attribute__((aligned(8)));
147 uint64_t uOffset __attribute__((aligned(8)));
148 uint64_t vOffset __attribute__((aligned(8)));
149 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
150 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
151 int dstW;
902c748c 152 uint64_t esp __attribute__((aligned(8)));
8bae9ddc 153 uint64_t vRounder __attribute__((aligned(8)));
bca11e75
MN
154 uint64_t u_temp __attribute__((aligned(8)));
155 uint64_t v_temp __attribute__((aligned(8)));
a31de956
MN
156
157#ifdef HAVE_ALTIVEC
158
159 vector signed short CY;
160 vector signed short CRV;
161 vector signed short CBU;
162 vector signed short CGU;
163 vector signed short CGV;
164 vector signed short OY;
165 vector unsigned short CSHIFT;
d33d485e 166 vector signed short *vYCoeffsBank, *vCCoeffsBank;
a31de956
MN
167
168#endif
169
5427e242
MN
170} SwsContext;
171//FIXME check init (where 0)
5427e242 172
5427e242
MN
173SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
174int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
175
94c4def2
LA
176char *sws_format_name(int format);
177
e9e12f0e
LA
178//FIXME replace this with something faster
179#define isPlanarYUV(x) ((x)==PIX_FMT_YUV410P || (x)==PIX_FMT_YUV420P \
180 || (x)==PIX_FMT_YUV411P || (x)==PIX_FMT_YUV422P \
181 || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_NV12 \
182 || (x)==PIX_FMT_NV21)
183#define isYUV(x) ((x)==PIX_FMT_UYVY422 || (x)==PIX_FMT_YUYV422 || isPlanarYUV(x))
4884b9e5
KS
184#define isGray(x) ((x)==PIX_FMT_GRAY8 || (x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
185#define isGray16(x) ((x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
e9e12f0e
LA
186#define isRGB(x) ((x)==PIX_FMT_BGR32 || (x)==PIX_FMT_RGB24 \
187 || (x)==PIX_FMT_RGB565 || (x)==PIX_FMT_RGB555 \
188 || (x)==PIX_FMT_RGB8 || (x)==PIX_FMT_RGB4 \
189 || (x)==PIX_FMT_MONOBLACK)
190#define isBGR(x) ((x)==PIX_FMT_RGB32 || (x)==PIX_FMT_BGR24 \
191 || (x)==PIX_FMT_BGR565 || (x)==PIX_FMT_BGR555 \
192 || (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_BGR4 \
193 || (x)==PIX_FMT_MONOBLACK)
194
195static inline int fmt_depth(int fmt)
196{
197 switch(fmt) {
198 case PIX_FMT_BGRA:
199 case PIX_FMT_ABGR:
200 case PIX_FMT_RGBA:
201 case PIX_FMT_ARGB:
202 return 32;
203 case PIX_FMT_BGR24:
204 case PIX_FMT_RGB24:
205 return 24;
206 case PIX_FMT_BGR565:
207 case PIX_FMT_RGB565:
4884b9e5
KS
208 case PIX_FMT_GRAY16BE:
209 case PIX_FMT_GRAY16LE:
e9e12f0e
LA
210 return 16;
211 case PIX_FMT_BGR555:
212 case PIX_FMT_RGB555:
213 return 15;
214 case PIX_FMT_BGR8:
215 case PIX_FMT_RGB8:
216 return 8;
217 case PIX_FMT_BGR4:
218 case PIX_FMT_RGB4:
219 case PIX_FMT_BGR4_BYTE:
220 case PIX_FMT_RGB4_BYTE:
221 return 4;
222 case PIX_FMT_MONOBLACK:
223 return 1;
224 default:
225 return 0;
226 }
227}
228
5427e242 229#endif