we really shouldnt use M$* as default codec -> use MPEG4 as default
[libav.git] / libavcodec / libpostproc / postprocess_internal.h
CommitLineData
c41d972d
MN
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
b304569a
MN
19/**
20 * @file postprocess_internal.h
21 * internal api header.
22 */
23
c41d972d
MN
24#define V_DEBLOCK 0x01
25#define H_DEBLOCK 0x02
26#define DERING 0x04
b304569a 27#define LEVEL_FIX 0x08 ///< Brightness & Contrast
c41d972d
MN
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)
c41d972d
MN
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
134eb1e5 54#define LOWPASS5_DEINT_FILTER 0x800000
c41d972d
MN
55
56#define TEMP_NOISE_FILTER 0x100000
57#define FORCE_QUANT 0x200000
58
59//use if u want a faster postprocessing code
60//cant differentiate between chroma & luma filters (both on or both off)
61//obviosly the -pp option at the commandline has no effect except turning the here selected
62//filters on
63//#define COMPILE_TIME_MODE 0x77
64
134eb1e5
MN
65#if 1
66static inline int CLIP(int a){
67 if(a&256) return ((a)>>31)^(-1);
68 else return a;
69}
70//#define CLIP(a) (((a)&256) ? ((a)>>31)^(-1) : (a))
71#elif 0
72#define CLIP(a) clip_tab[a]
73#else
74#define CLIP(a) (a)
75#endif
b304569a
MN
76/**
77 * Postprocessng filter.
78 */
c41d972d
MN
79struct PPFilter{
80 char *shortName;
81 char *longName;
b304569a
MN
82 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
83 int minLumQuality; ///< minimum quality to turn luminance filtering on
84 int minChromQuality; ///< minimum quality to turn chrominance filtering on
85 int mask; ///< Bitmask to turn this filter on
c41d972d
MN
86};
87
b304569a
MN
88/**
89 * Postprocessng mode.
90 */
c41d972d 91typedef struct PPMode{
b304569a
MN
92 int lumMode; ///< acivates filters for luminance
93 int chromMode; ///< acivates filters for chrominance
94 int error; ///< non zero on error
c41d972d 95
b304569a
MN
96 int minAllowedY; ///< for brigtness correction
97 int maxAllowedY; ///< for brihtness correction
98 float maxClippedThreshold; ///< amount of "black" u r willing to loose to get a brightness corrected picture
c41d972d 99
b304569a 100 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
c41d972d
MN
101
102 int baseDcDiff;
103 int flatnessThreshold;
104
b304569a 105 int forcedQuant; ///< quantizer if FORCE_QUANT is used
c41d972d
MN
106} PPMode;
107
b304569a
MN
108/**
109 * postprocess context.
110 */
c41d972d 111typedef struct PPContext{
b304569a 112 uint8_t *tempBlocks; ///<used for the horizontal code
c41d972d 113
b304569a
MN
114 /**
115 * luma histogram.
116 * we need 64bit here otherwise we'll going to have a problem
117 * after watching a black picture for 5 hours
118 */
c41d972d
MN
119 uint64_t *yHistogram;
120
121 uint64_t __attribute__((aligned(8))) packedYOffset;
122 uint64_t __attribute__((aligned(8))) packedYScale;
123
b304569a 124 /** Temporal noise reducing buffers */
c41d972d
MN
125 uint8_t *tempBlured[3];
126 int32_t *tempBluredPast[3];
127
b304569a 128 /** Temporary buffers for handling the last row(s) */
c41d972d
MN
129 uint8_t *tempDst;
130 uint8_t *tempSrc;
131
c41d972d
MN
132 uint8_t *deintTemp;
133
134 uint64_t __attribute__((aligned(8))) pQPb;
135 uint64_t __attribute__((aligned(8))) pQPb2;
136
137 uint64_t __attribute__((aligned(8))) mmxDcOffset[32];
138 uint64_t __attribute__((aligned(8))) mmxDcThreshold[32];
88c0bc7e 139
c41d972d 140 QP_STORE_T *nonBQPTable;
88c0bc7e
MN
141 QP_STORE_T *forcedQPTable;
142
c41d972d
MN
143 int QP;
144 int nonBQP;
145
146 int frameNum;
147
148 int cpuCaps;
88c0bc7e 149
b304569a 150 int stride; ///<size of some buffers (needed to realloc them if needed)
e9effafd
MN
151
152 int hChromaSubSample;
153 int vChromaSubSample;
c41d972d
MN
154
155 PPMode ppMode;
156} PPContext;
157