AVI type 1 support patch by (Roman Shaposhnick <rvs at sun dot com>)
[libav.git] / libavcodec / libpostproc / postprocess_internal.h
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1/*
2 Copyright (C) 2001-2002 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
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19/**
20 * @file postprocess_internal.h
21 * internal api header.
22 */
23
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24#define V_DEBLOCK 0x01
25#define H_DEBLOCK 0x02
26#define DERING 0x04
b304569a 27#define LEVEL_FIX 0x08 ///< Brightness & Contrast
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28
29#define LUM_V_DEBLOCK V_DEBLOCK // 1
30#define LUM_H_DEBLOCK H_DEBLOCK // 2
31#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
32#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
33#define LUM_DERING DERING // 4
34#define CHROM_DERING (DERING<<4) // 64
35#define LUM_LEVEL_FIX LEVEL_FIX // 8
36#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
37
38// Experimental vertical filters
39#define V_X1_FILTER 0x0200 // 512
40
41// Experimental horizontal filters
42#define H_X1_FILTER 0x2000 // 8192
43
b304569a 44/// select between full y range (255-0) or standart one (234-16)
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45#define FULL_Y_RANGE 0x8000 // 32768
46
47//Deinterlacing Filters
48#define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
49#define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
50#define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
51#define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
52#define MEDIAN_DEINT_FILTER 0x80000 // 524288
53#define FFMPEG_DEINT_FILTER 0x400000
54
55#define TEMP_NOISE_FILTER 0x100000
56#define FORCE_QUANT 0x200000
57
58//use if u want a faster postprocessing code
59//cant differentiate between chroma & luma filters (both on or both off)
60//obviosly the -pp option at the commandline has no effect except turning the here selected
61//filters on
62//#define COMPILE_TIME_MODE 0x77
63
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64/**
65 * Postprocessng filter.
66 */
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67struct PPFilter{
68 char *shortName;
69 char *longName;
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70 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
71 int minLumQuality; ///< minimum quality to turn luminance filtering on
72 int minChromQuality; ///< minimum quality to turn chrominance filtering on
73 int mask; ///< Bitmask to turn this filter on
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74};
75
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76/**
77 * Postprocessng mode.
78 */
c41d972d 79typedef struct PPMode{
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80 int lumMode; ///< acivates filters for luminance
81 int chromMode; ///< acivates filters for chrominance
82 int error; ///< non zero on error
c41d972d 83
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84 int minAllowedY; ///< for brigtness correction
85 int maxAllowedY; ///< for brihtness correction
86 float maxClippedThreshold; ///< amount of "black" u r willing to loose to get a brightness corrected picture
c41d972d 87
b304569a 88 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
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89
90 int baseDcDiff;
91 int flatnessThreshold;
92
b304569a 93 int forcedQuant; ///< quantizer if FORCE_QUANT is used
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94} PPMode;
95
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96/**
97 * postprocess context.
98 */
c41d972d 99typedef struct PPContext{
b304569a 100 uint8_t *tempBlocks; ///<used for the horizontal code
c41d972d 101
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102 /**
103 * luma histogram.
104 * we need 64bit here otherwise we'll going to have a problem
105 * after watching a black picture for 5 hours
106 */
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107 uint64_t *yHistogram;
108
109 uint64_t __attribute__((aligned(8))) packedYOffset;
110 uint64_t __attribute__((aligned(8))) packedYScale;
111
b304569a 112 /** Temporal noise reducing buffers */
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113 uint8_t *tempBlured[3];
114 int32_t *tempBluredPast[3];
115
b304569a 116 /** Temporary buffers for handling the last row(s) */
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117 uint8_t *tempDst;
118 uint8_t *tempSrc;
119
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120 uint8_t *deintTemp;
121
122 uint64_t __attribute__((aligned(8))) pQPb;
123 uint64_t __attribute__((aligned(8))) pQPb2;
124
125 uint64_t __attribute__((aligned(8))) mmxDcOffset[32];
126 uint64_t __attribute__((aligned(8))) mmxDcThreshold[32];
88c0bc7e 127
c41d972d 128 QP_STORE_T *nonBQPTable;
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129 QP_STORE_T *forcedQPTable;
130
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131 int QP;
132 int nonBQP;
133
134 int frameNum;
135
136 int cpuCaps;
88c0bc7e 137
b304569a 138 int stride; ///<size of some buffers (needed to realloc them if needed)
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139
140 int hChromaSubSample;
141 int vChromaSubSample;
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142
143 PPMode ppMode;
144} PPContext;
145