2 Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 the C code (not assembly, mmx, ...) of the swscaler which has been written
19 by Michael Niedermayer can be used under the LGPL license too
22 #ifndef SWSCALE_INTERNAL_H
23 #define SWSCALE_INTERNAL_H
37 #define MSG_WARN(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
38 #define MSG_FATAL(args...) av_log(NULL, AV_LOG_ERROR, ##args )
39 #define MSG_ERR(args...) av_log(NULL, AV_LOG_ERROR, ##args )
40 #define MSG_V(args...) av_log(NULL, AV_LOG_INFO, ##args )
41 #define MSG_DBG2(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
42 #define MSG_INFO(args...) av_log(NULL, AV_LOG_INFO, ##args )
44 #define MAX_FILTER_SIZE 256
46 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
47 int srcSliceH, uint8_t* dst[], int dstStride[]);
49 /* this struct should be aligned on at least 32-byte boundary */
50 typedef struct SwsContext{
53 * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
57 int chrSrcW, chrSrcH, chrDstW, chrDstH;
60 int dstFormat, srcFormat; ///< format 4:2:0 type is allways YV12
61 int origDstFormat, origSrcFormat; ///< format
62 int chrSrcHSubSample, chrSrcVSubSample;
63 int chrIntHSubSample, chrIntVSubSample;
64 int chrDstHSubSample, chrDstVSubSample;
72 int16_t *hLumFilterPos;
74 int16_t *hChrFilterPos;
76 int16_t *vLumFilterPos;
78 int16_t *vChrFilterPos;
80 uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
91 int32_t *lumMmx2FilterPos;
92 int32_t *chrMmx2FilterPos;
93 int16_t *lumMmx2Filter;
94 int16_t *chrMmx2Filter;
104 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
105 void * table_rV[256];
106 void * table_gU[256];
108 void * table_bU[256];
111 int contrast, brightness, saturation; // for sws_getColorspaceDetails
112 int srcColorspaceTable[4];
113 int dstColorspaceTable[4];
114 int srcRange, dstRange;
116 #define RED_DITHER "0*8"
117 #define GREEN_DITHER "1*8"
118 #define BLUE_DITHER "2*8"
119 #define Y_COEFF "3*8"
120 #define VR_COEFF "4*8"
121 #define UB_COEFF "5*8"
122 #define VG_COEFF "6*8"
123 #define UG_COEFF "7*8"
124 #define Y_OFFSET "8*8"
125 #define U_OFFSET "9*8"
126 #define V_OFFSET "10*8"
127 #define LUM_MMX_FILTER_OFFSET "11*8"
128 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
129 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, its hardcoded in the asm
130 #define ESP_OFFSET "11*8+4*4*256*2+8"
131 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
132 #define U_TEMP "11*8+4*4*256*2+24"
133 #define V_TEMP "11*8+4*4*256*2+32"
135 uint64_t redDither __attribute__((aligned(8)));
136 uint64_t greenDither __attribute__((aligned(8)));
137 uint64_t blueDither __attribute__((aligned(8)));
139 uint64_t yCoeff __attribute__((aligned(8)));
140 uint64_t vrCoeff __attribute__((aligned(8)));
141 uint64_t ubCoeff __attribute__((aligned(8)));
142 uint64_t vgCoeff __attribute__((aligned(8)));
143 uint64_t ugCoeff __attribute__((aligned(8)));
144 uint64_t yOffset __attribute__((aligned(8)));
145 uint64_t uOffset __attribute__((aligned(8)));
146 uint64_t vOffset __attribute__((aligned(8)));
147 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
148 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
150 uint64_t esp __attribute__((aligned(8)));
151 uint64_t vRounder __attribute__((aligned(8)));
152 uint64_t u_temp __attribute__((aligned(8)));
153 uint64_t v_temp __attribute__((aligned(8)));
157 vector signed short CY;
158 vector signed short CRV;
159 vector signed short CBU;
160 vector signed short CGU;
161 vector signed short CGV;
162 vector signed short OY;
163 vector unsigned short CSHIFT;
164 vector signed short *vYCoeffsBank, *vCCoeffsBank;
169 //FIXME check init (where 0)
171 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
172 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
174 char *sws_format_name(int format);