Statistics
| Branch: | Revision:

ffmpeg / postproc / swscale_internal.h @ 38d5c282

History | View | Annotate | Download (4.92 KB)

1
/*
2
    Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3

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.
8

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.
13

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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17
*/
18

    
19
#ifndef SWSCALE_INTERNAL_H
20
#define SWSCALE_INTERNAL_H
21

    
22
#ifdef HAVE_ALTIVEC_H
23
#include <altivec.h>
24
#endif
25

    
26
#ifdef CONFIG_DARWIN
27
#define AVV(x...) (x)
28
#else
29
#define AVV(x...) {x}
30
#endif
31

    
32
#include "../mp_msg.h"
33

    
34
#define MSG_WARN(args...) mp_msg(MSGT_SWS,MSGL_WARN, ##args )
35
#define MSG_FATAL(args...) mp_msg(MSGT_SWS,MSGL_FATAL, ##args )
36
#define MSG_ERR(args...) mp_msg(MSGT_SWS,MSGL_ERR, ##args )
37
#define MSG_V(args...) mp_msg(MSGT_SWS,MSGL_V, ##args )
38
#define MSG_DBG2(args...) mp_msg(MSGT_SWS,MSGL_DBG2, ##args )
39
#define MSG_INFO(args...) mp_msg(MSGT_SWS,MSGL_INFO, ##args )
40

    
41
#define MAX_FILTER_SIZE 256
42

    
43
typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
44
             int srcSliceH, uint8_t* dst[], int dstStride[]);
45

    
46
/* this struct should be aligned on at least 32-byte boundary */
47
typedef struct SwsContext{
48
        /**
49
         *
50
         * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
51
         */
52
        SwsFunc swScale;
53
        int srcW, srcH, dstH;
54
        int chrSrcW, chrSrcH, chrDstW, chrDstH;
55
        int lumXInc, chrXInc;
56
        int lumYInc, chrYInc;
57
        int dstFormat, srcFormat;               ///< format 4:2:0 type is allways YV12
58
        int origDstFormat, origSrcFormat;       ///< format
59
        int chrSrcHSubSample, chrSrcVSubSample;
60
        int chrIntHSubSample, chrIntVSubSample;
61
        int chrDstHSubSample, chrDstVSubSample;
62
        int vChrDrop;
63
        double param[2];
64

    
65
        int16_t **lumPixBuf;
66
        int16_t **chrPixBuf;
67
        int16_t *hLumFilter;
68
        int16_t *hLumFilterPos;
69
        int16_t *hChrFilter;
70
        int16_t *hChrFilterPos;
71
        int16_t *vLumFilter;
72
        int16_t *vLumFilterPos;
73
        int16_t *vChrFilter;
74
        int16_t *vChrFilterPos;
75

    
76
        uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
77

    
78
        int hLumFilterSize;
79
        int hChrFilterSize;
80
        int vLumFilterSize;
81
        int vChrFilterSize;
82
        int vLumBufSize;
83
        int vChrBufSize;
84

    
85
        uint8_t *funnyYCode;
86
        uint8_t *funnyUVCode;
87
        int32_t *lumMmx2FilterPos;
88
        int32_t *chrMmx2FilterPos;
89
        int16_t *lumMmx2Filter;
90
        int16_t *chrMmx2Filter;
91

    
92
        int canMMX2BeUsed;
93

    
94
        int lastInLumBuf;
95
        int lastInChrBuf;
96
        int lumBufIndex;
97
        int chrBufIndex;
98
        int dstY;
99
        int flags;
100
        void * yuvTable;                        // pointer to the yuv->rgb table start so it can be freed()
101
        void * table_rV[256];
102
        void * table_gU[256];
103
        int    table_gV[256];
104
        void * table_bU[256];
105

    
106
        //Colorspace stuff
107
        int contrast, brightness, saturation;        // for sws_getColorspaceDetails
108
        int srcColorspaceTable[4];
109
        int dstColorspaceTable[4];
110
        int srcRange, dstRange;
111

    
112
#define RED_DITHER   "0*8"
113
#define GREEN_DITHER "1*8"
114
#define BLUE_DITHER  "2*8"
115
#define Y_COEFF      "3*8"
116
#define VR_COEFF     "4*8"
117
#define UB_COEFF     "5*8"
118
#define VG_COEFF     "6*8"
119
#define UG_COEFF     "7*8"
120
#define Y_OFFSET     "8*8"
121
#define U_OFFSET     "9*8"
122
#define V_OFFSET     "10*8"
123
#define LUM_MMX_FILTER_OFFSET "11*8"
124
#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
125
#define DSTW_OFFSET  "11*8+4*4*256*2" //do not change, its hardcoded in the asm
126
#define ESP_OFFSET  "11*8+4*4*256*2+4"
127
#define VROUNDER_OFFSET "11*8+4*4*256*2+8"
128
                  
129
        uint64_t redDither   __attribute__((aligned(8)));
130
        uint64_t greenDither __attribute__((aligned(8)));
131
        uint64_t blueDither  __attribute__((aligned(8)));
132

    
133
        uint64_t yCoeff      __attribute__((aligned(8)));
134
        uint64_t vrCoeff     __attribute__((aligned(8)));
135
        uint64_t ubCoeff     __attribute__((aligned(8)));
136
        uint64_t vgCoeff     __attribute__((aligned(8)));
137
        uint64_t ugCoeff     __attribute__((aligned(8)));
138
        uint64_t yOffset     __attribute__((aligned(8)));
139
        uint64_t uOffset     __attribute__((aligned(8)));
140
        uint64_t vOffset     __attribute__((aligned(8)));
141
        int32_t  lumMmxFilter[4*MAX_FILTER_SIZE];
142
        int32_t  chrMmxFilter[4*MAX_FILTER_SIZE];
143
        int dstW;
144
        int esp;
145
        uint64_t vRounder     __attribute__((aligned(8)));
146

    
147
#ifdef HAVE_ALTIVEC
148

    
149
  vector signed short   CY;
150
  vector signed short   CRV;
151
  vector signed short   CBU;
152
  vector signed short   CGU;
153
  vector signed short   CGV;
154
  vector signed short   OY;
155
  vector unsigned short CSHIFT;
156

    
157
#endif
158

    
159
} SwsContext;
160
//FIXME check init (where 0)
161

    
162
SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
163
int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
164

    
165
#endif