avcodec: add a public function, avcodec_fill_audio_frame().
[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 *
2912e87a 4 * This file is part of Libav.
b78e7197 5 *
2912e87a 6 * Libav is free software; you can redistribute it and/or modify
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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 *
2912e87a 11 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 17 * along with Libav; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
c41d972d 20
b304569a 21/**
ba87f080 22 * @file
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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"
abc78a5a 31#include "libavutil/log.h"
53eecfde 32#include "postprocess.h"
6ab6c7c3 33
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34#define V_DEBLOCK 0x01
35#define H_DEBLOCK 0x02
36#define DERING 0x04
37#define LEVEL_FIX 0x08 ///< Brightness & Contrast
38
39#define LUM_V_DEBLOCK V_DEBLOCK // 1
40#define LUM_H_DEBLOCK H_DEBLOCK // 2
41#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
42#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
43#define LUM_DERING DERING // 4
44#define CHROM_DERING (DERING<<4) // 64
45#define LUM_LEVEL_FIX LEVEL_FIX // 8
46#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
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47
48// Experimental vertical filters
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49#define V_X1_FILTER 0x0200 // 512
50#define V_A_DEBLOCK 0x0400
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51
52// Experimental horizontal filters
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53#define H_X1_FILTER 0x2000 // 8192
54#define H_A_DEBLOCK 0x4000
c41d972d 55
b304569a 56/// select between full y range (255-0) or standart one (234-16)
bb270c08 57#define FULL_Y_RANGE 0x8000 // 32768
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58
59//Deinterlacing Filters
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60#define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
61#define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
62#define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
63#define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
64#define MEDIAN_DEINT_FILTER 0x80000 // 524288
65#define FFMPEG_DEINT_FILTER 0x400000
66#define LOWPASS5_DEINT_FILTER 0x800000
c41d972d 67
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68#define TEMP_NOISE_FILTER 0x100000
69#define FORCE_QUANT 0x200000
c41d972d 70
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71//use if you want a faster postprocessing code
72//cannot differentiate between chroma & luma filters (both on or both off)
73//obviously the -pp option on the command line has no effect except turning the here selected
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74//filters on
75//#define COMPILE_TIME_MODE 0x77
76
134eb1e5 77static inline int CLIP(int a){
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78 if(a&256) return ((a)>>31)^(-1);
79 else return a;
134eb1e5 80}
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81/**
82 * Postprocessng filter.
83 */
c41d972d 84struct PPFilter{
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85 const char *shortName;
86 const char *longName;
87 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
88 int minLumQuality; ///< minimum quality to turn luminance filtering on
89 int minChromQuality; ///< minimum quality to turn chrominance filtering on
90 int mask; ///< Bitmask to turn this filter on
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91};
92
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93/**
94 * Postprocessng mode.
95 */
c41d972d 96typedef struct PPMode{
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97 int lumMode; ///< acivates filters for luminance
98 int chromMode; ///< acivates filters for chrominance
99 int error; ///< non zero on error
c41d972d 100
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101 int minAllowedY; ///< for brigtness correction
102 int maxAllowedY; ///< for brihtness correction
da9cea77 103 float maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture
c41d972d 104
16e0bf73 105 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
c41d972d 106
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107 int baseDcDiff;
108 int flatnessThreshold;
c41d972d 109
16e0bf73 110 int forcedQuant; ///< quantizer if FORCE_QUANT is used
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111} PPMode;
112
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113/**
114 * postprocess context.
115 */
c41d972d 116typedef struct PPContext{
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117 /**
118 * info on struct for av_log
119 */
120 const AVClass *av_class;
e7becfb2 121
16e0bf73 122 uint8_t *tempBlocks; ///<used for the horizontal code
c41d972d 123
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124 /**
125 * luma histogram.
126 * we need 64bit here otherwise we'll going to have a problem
127 * after watching a black picture for 5 hours
128 */
129 uint64_t *yHistogram;
c41d972d 130
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131 DECLARE_ALIGNED(8, uint64_t, packedYOffset);
132 DECLARE_ALIGNED(8, uint64_t, packedYScale);
c41d972d 133
16e0bf73 134 /** Temporal noise reducing buffers */
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135 uint8_t *tempBlurred[3];
136 int32_t *tempBlurredPast[3];
c41d972d 137
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138 /** Temporary buffers for handling the last row(s) */
139 uint8_t *tempDst;
140 uint8_t *tempSrc;
c41d972d 141
16e0bf73 142 uint8_t *deintTemp;
c41d972d 143
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144 DECLARE_ALIGNED(8, uint64_t, pQPb);
145 DECLARE_ALIGNED(8, uint64_t, pQPb2);
c41d972d 146
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147 DECLARE_ALIGNED(8, uint64_t, mmxDcOffset)[64];
148 DECLARE_ALIGNED(8, uint64_t, mmxDcThreshold)[64];
88c0bc7e 149
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150 QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale
151 QP_STORE_T *nonBQPTable;
152 QP_STORE_T *forcedQPTable;
88c0bc7e 153
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154 int QP;
155 int nonBQP;
c41d972d 156
16e0bf73 157 int frameNum;
115329f1 158
16e0bf73 159 int cpuCaps;
115329f1 160
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161 int qpStride; ///<size of qp buffers (needed to realloc them if needed)
162 int stride; ///<size of some buffers (needed to realloc them if needed)
115329f1 163
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164 int hChromaSubSample;
165 int vChromaSubSample;
c41d972d 166
16e0bf73 167 PPMode ppMode;
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168} PPContext;
169
0426af31 170
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171static inline void linecpy(void *dest, const void *src, int lines, int stride) {
172 if (stride > 0) {
173 memcpy(dest, src, lines*stride);
174 } else {
175 memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride);
176 }
655f688d 177}
699b3f99 178
9e5e2a2e 179#endif /* POSTPROC_POSTPROCESS_INTERNAL_H */