Use directory name as multiple inclusion guard prefix.
[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
b304569a 21/**
bad5537e 22 * @file libpostproc/postprocess_internal.h
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23 * internal api header.
24 */
25
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26#ifndef POSTPROC_POSTPROCESS_INTERNAL_H
27#define POSTPROC_POSTPROCESS_INTERNAL_H
699b3f99 28
c60208e7 29#include <string.h>
245976da 30#include "libavutil/avutil.h"
53eecfde 31#include "postprocess.h"
6ab6c7c3 32
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33#define V_DEBLOCK 0x01
34#define H_DEBLOCK 0x02
35#define DERING 0x04
36#define LEVEL_FIX 0x08 ///< Brightness & Contrast
37
38#define LUM_V_DEBLOCK V_DEBLOCK // 1
39#define LUM_H_DEBLOCK H_DEBLOCK // 2
40#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
41#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
42#define LUM_DERING DERING // 4
43#define CHROM_DERING (DERING<<4) // 64
44#define LUM_LEVEL_FIX LEVEL_FIX // 8
45#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
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46
47// Experimental vertical filters
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48#define V_X1_FILTER 0x0200 // 512
49#define V_A_DEBLOCK 0x0400
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50
51// Experimental horizontal filters
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52#define H_X1_FILTER 0x2000 // 8192
53#define H_A_DEBLOCK 0x4000
c41d972d 54
b304569a 55/// select between full y range (255-0) or standart one (234-16)
bb270c08 56#define FULL_Y_RANGE 0x8000 // 32768
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57
58//Deinterlacing Filters
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59#define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
60#define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
61#define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
62#define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
63#define MEDIAN_DEINT_FILTER 0x80000 // 524288
64#define FFMPEG_DEINT_FILTER 0x400000
65#define LOWPASS5_DEINT_FILTER 0x800000
c41d972d 66
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67#define TEMP_NOISE_FILTER 0x100000
68#define FORCE_QUANT 0x200000
c41d972d 69
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70//use if you want a faster postprocessing code
71//cannot differentiate between chroma & luma filters (both on or both off)
72//obviously the -pp option on the command line has no effect except turning the here selected
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73//filters on
74//#define COMPILE_TIME_MODE 0x77
75
134eb1e5 76static inline int CLIP(int a){
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77 if(a&256) return ((a)>>31)^(-1);
78 else return a;
134eb1e5 79}
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80/**
81 * Postprocessng filter.
82 */
c41d972d 83struct PPFilter{
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84 const char *shortName;
85 const char *longName;
86 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
87 int minLumQuality; ///< minimum quality to turn luminance filtering on
88 int minChromQuality; ///< minimum quality to turn chrominance filtering on
89 int mask; ///< Bitmask to turn this filter on
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90};
91
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92/**
93 * Postprocessng mode.
94 */
c41d972d 95typedef struct PPMode{
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96 int lumMode; ///< acivates filters for luminance
97 int chromMode; ///< acivates filters for chrominance
98 int error; ///< non zero on error
c41d972d 99
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100 int minAllowedY; ///< for brigtness correction
101 int maxAllowedY; ///< for brihtness correction
102 float maxClippedThreshold; ///< amount of "black" u r willing to loose to get a brightness corrected picture
c41d972d 103
16e0bf73 104 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
c41d972d 105
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106 int baseDcDiff;
107 int flatnessThreshold;
c41d972d 108
16e0bf73 109 int forcedQuant; ///< quantizer if FORCE_QUANT is used
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110} PPMode;
111
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112/**
113 * postprocess context.
114 */
c41d972d 115typedef struct PPContext{
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116 /**
117 * info on struct for av_log
118 */
119 const AVClass *av_class;
e7becfb2 120
16e0bf73 121 uint8_t *tempBlocks; ///<used for the horizontal code
c41d972d 122
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123 /**
124 * luma histogram.
125 * we need 64bit here otherwise we'll going to have a problem
126 * after watching a black picture for 5 hours
127 */
128 uint64_t *yHistogram;
c41d972d 129
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130 DECLARE_ALIGNED(8, uint64_t, packedYOffset);
131 DECLARE_ALIGNED(8, uint64_t, packedYScale);
c41d972d 132
16e0bf73 133 /** Temporal noise reducing buffers */
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134 uint8_t *tempBlurred[3];
135 int32_t *tempBlurredPast[3];
c41d972d 136
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137 /** Temporary buffers for handling the last row(s) */
138 uint8_t *tempDst;
139 uint8_t *tempSrc;
c41d972d 140
16e0bf73 141 uint8_t *deintTemp;
c41d972d 142
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143 DECLARE_ALIGNED(8, uint64_t, pQPb);
144 DECLARE_ALIGNED(8, uint64_t, pQPb2);
c41d972d 145
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146 DECLARE_ALIGNED(8, uint64_t, mmxDcOffset[64]);
147 DECLARE_ALIGNED(8, uint64_t, mmxDcThreshold[64]);
88c0bc7e 148
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149 QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale
150 QP_STORE_T *nonBQPTable;
151 QP_STORE_T *forcedQPTable;
88c0bc7e 152
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153 int QP;
154 int nonBQP;
c41d972d 155
16e0bf73 156 int frameNum;
115329f1 157
16e0bf73 158 int cpuCaps;
115329f1 159
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160 int qpStride; ///<size of qp buffers (needed to realloc them if needed)
161 int stride; ///<size of some buffers (needed to realloc them if needed)
115329f1 162
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163 int hChromaSubSample;
164 int vChromaSubSample;
c41d972d 165
16e0bf73 166 PPMode ppMode;
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167} PPContext;
168
0426af31 169
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170static inline void linecpy(void *dest, const void *src, int lines, int stride) {
171 if (stride > 0) {
172 memcpy(dest, src, lines*stride);
173 } else {
174 memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride);
175 }
655f688d 176}
699b3f99 177
9e5e2a2e 178#endif /* POSTPROC_POSTPROCESS_INTERNAL_H */