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