add multiple inclusion guards to headers
[libav.git] / libpostproc / postprocess_internal.h
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c41d972d 1/*
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2 * Copyright (C) 2001-2002 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
c41d972d 20
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21/**
22 * @file postprocess_internal.h
23 * internal api header.
24 */
25
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26#ifndef POSTPROCESS_INTERNAL_H
27#define POSTPROCESS_INTERNAL_H
28
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29#include "avutil.h"
30
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31#define V_DEBLOCK 0x01
32#define H_DEBLOCK 0x02
33#define DERING 0x04
34#define LEVEL_FIX 0x08 ///< Brightness & Contrast
35
36#define LUM_V_DEBLOCK V_DEBLOCK // 1
37#define LUM_H_DEBLOCK H_DEBLOCK // 2
38#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
39#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
40#define LUM_DERING DERING // 4
41#define CHROM_DERING (DERING<<4) // 64
42#define LUM_LEVEL_FIX LEVEL_FIX // 8
43#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
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44
45// Experimental vertical filters
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46#define V_X1_FILTER 0x0200 // 512
47#define V_A_DEBLOCK 0x0400
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48
49// Experimental horizontal filters
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50#define H_X1_FILTER 0x2000 // 8192
51#define H_A_DEBLOCK 0x4000
c41d972d 52
b304569a 53/// select between full y range (255-0) or standart one (234-16)
bb270c08 54#define FULL_Y_RANGE 0x8000 // 32768
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55
56//Deinterlacing Filters
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57#define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
58#define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
59#define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
60#define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
61#define MEDIAN_DEINT_FILTER 0x80000 // 524288
62#define FFMPEG_DEINT_FILTER 0x400000
63#define LOWPASS5_DEINT_FILTER 0x800000
c41d972d 64
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65#define TEMP_NOISE_FILTER 0x100000
66#define FORCE_QUANT 0x200000
c41d972d 67
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68#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
69# define PIC
70#endif
71
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72//use if you want a faster postprocessing code
73//cannot differentiate between chroma & luma filters (both on or both off)
74//obviously the -pp option on the command line has no effect except turning the here selected
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75//filters on
76//#define COMPILE_TIME_MODE 0x77
77
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78#if 1
79static inline int CLIP(int a){
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80 if(a&256) return ((a)>>31)^(-1);
81 else return a;
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82}
83//#define CLIP(a) (((a)&256) ? ((a)>>31)^(-1) : (a))
84#elif 0
85#define CLIP(a) clip_tab[a]
86#else
87#define CLIP(a) (a)
88#endif
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89/**
90 * Postprocessng filter.
91 */
c41d972d 92struct PPFilter{
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93 const char *shortName;
94 const char *longName;
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95 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
96 int minLumQuality; ///< minimum quality to turn luminance filtering on
97 int minChromQuality; ///< minimum quality to turn chrominance filtering on
98 int mask; ///< Bitmask to turn this filter on
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99};
100
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101/**
102 * Postprocessng mode.
103 */
c41d972d 104typedef struct PPMode{
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105 int lumMode; ///< acivates filters for luminance
106 int chromMode; ///< acivates filters for chrominance
107 int error; ///< non zero on error
c41d972d 108
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109 int minAllowedY; ///< for brigtness correction
110 int maxAllowedY; ///< for brihtness correction
111 float maxClippedThreshold; ///< amount of "black" u r willing to loose to get a brightness corrected picture
c41d972d 112
bb270c08 113 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
c41d972d 114
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115 int baseDcDiff;
116 int flatnessThreshold;
c41d972d 117
bb270c08 118 int forcedQuant; ///< quantizer if FORCE_QUANT is used
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119} PPMode;
120
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121/**
122 * postprocess context.
123 */
c41d972d 124typedef struct PPContext{
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125 /**
126 * info on struct for av_log
127 */
128 AVClass *av_class;
129
bb270c08 130 uint8_t *tempBlocks; ///<used for the horizontal code
c41d972d 131
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132 /**
133 * luma histogram.
134 * we need 64bit here otherwise we'll going to have a problem
135 * after watching a black picture for 5 hours
136 */
137 uint64_t *yHistogram;
c41d972d 138
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139 DECLARE_ALIGNED(8, uint64_t, packedYOffset);
140 DECLARE_ALIGNED(8, uint64_t, packedYScale);
c41d972d 141
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142 /** Temporal noise reducing buffers */
143 uint8_t *tempBlured[3];
144 int32_t *tempBluredPast[3];
c41d972d 145
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146 /** Temporary buffers for handling the last row(s) */
147 uint8_t *tempDst;
148 uint8_t *tempSrc;
c41d972d 149
bb270c08 150 uint8_t *deintTemp;
c41d972d 151
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152 DECLARE_ALIGNED(8, uint64_t, pQPb);
153 DECLARE_ALIGNED(8, uint64_t, pQPb2);
c41d972d 154
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155 DECLARE_ALIGNED(8, uint64_t, mmxDcOffset[64]);
156 DECLARE_ALIGNED(8, uint64_t, mmxDcThreshold[64]);
88c0bc7e 157
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158 QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale
159 QP_STORE_T *nonBQPTable;
160 QP_STORE_T *forcedQPTable;
88c0bc7e 161
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162 int QP;
163 int nonBQP;
c41d972d 164
bb270c08 165 int frameNum;
115329f1 166
bb270c08 167 int cpuCaps;
115329f1 168
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169 int qpStride; ///<size of qp buffers (needed to realloc them if needed)
170 int stride; ///<size of some buffers (needed to realloc them if needed)
115329f1 171
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172 int hChromaSubSample;
173 int vChromaSubSample;
c41d972d 174
bb270c08 175 PPMode ppMode;
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176} PPContext;
177
0426af31 178
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179static inline void linecpy(void *dest, void *src, int lines, int stride)
180{
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181 if (stride > 0) {
182 memcpy(dest, src, lines*stride);
183 } else {
184 memcpy(dest+(lines-1)*stride, src+(lines-1)*stride, -lines*stride);
185 }
655f688d 186}
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187
188#endif