major cleanup of compiler/library tests
[libav.git] / libpostproc / postprocess_internal.h
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 /**
20 * @file postprocess_internal.h
21 * internal api header.
22 */
23
24 #define V_DEBLOCK 0x01
25 #define H_DEBLOCK 0x02
26 #define DERING 0x04
27 #define LEVEL_FIX 0x08 ///< Brightness & Contrast
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 #define V_A_DEBLOCK 0x0400
41
42 // Experimental horizontal filters
43 #define H_X1_FILTER 0x2000 // 8192
44 #define H_A_DEBLOCK 0x4000
45
46 /// select between full y range (255-0) or standart one (234-16)
47 #define FULL_Y_RANGE 0x8000 // 32768
48
49 //Deinterlacing Filters
50 #define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
51 #define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
52 #define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
53 #define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
54 #define MEDIAN_DEINT_FILTER 0x80000 // 524288
55 #define FFMPEG_DEINT_FILTER 0x400000
56 #define LOWPASS5_DEINT_FILTER 0x800000
57
58 #define TEMP_NOISE_FILTER 0x100000
59 #define FORCE_QUANT 0x200000
60
61 //use if u want a faster postprocessing code
62 //cant differentiate between chroma & luma filters (both on or both off)
63 //obviosly the -pp option at the commandline has no effect except turning the here selected
64 //filters on
65 //#define COMPILE_TIME_MODE 0x77
66
67 #if 1
68 static inline int CLIP(int a){
69 if(a&256) return ((a)>>31)^(-1);
70 else return a;
71 }
72 //#define CLIP(a) (((a)&256) ? ((a)>>31)^(-1) : (a))
73 #elif 0
74 #define CLIP(a) clip_tab[a]
75 #else
76 #define CLIP(a) (a)
77 #endif
78 /**
79 * Postprocessng filter.
80 */
81 struct PPFilter{
82 char *shortName;
83 char *longName;
84 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
85 int minLumQuality; ///< minimum quality to turn luminance filtering on
86 int minChromQuality; ///< minimum quality to turn chrominance filtering on
87 int mask; ///< Bitmask to turn this filter on
88 };
89
90 /**
91 * Postprocessng mode.
92 */
93 typedef struct PPMode{
94 int lumMode; ///< acivates filters for luminance
95 int chromMode; ///< acivates filters for chrominance
96 int error; ///< non zero on error
97
98 int minAllowedY; ///< for brigtness correction
99 int maxAllowedY; ///< for brihtness correction
100 float maxClippedThreshold; ///< amount of "black" u r willing to loose to get a brightness corrected picture
101
102 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
103
104 int baseDcDiff;
105 int flatnessThreshold;
106
107 int forcedQuant; ///< quantizer if FORCE_QUANT is used
108 } PPMode;
109
110 /**
111 * postprocess context.
112 */
113 typedef struct PPContext{
114 uint8_t *tempBlocks; ///<used for the horizontal code
115
116 /**
117 * luma histogram.
118 * we need 64bit here otherwise we'll going to have a problem
119 * after watching a black picture for 5 hours
120 */
121 uint64_t *yHistogram;
122
123 uint64_t __attribute__((aligned(8))) packedYOffset;
124 uint64_t __attribute__((aligned(8))) packedYScale;
125
126 /** Temporal noise reducing buffers */
127 uint8_t *tempBlured[3];
128 int32_t *tempBluredPast[3];
129
130 /** Temporary buffers for handling the last row(s) */
131 uint8_t *tempDst;
132 uint8_t *tempSrc;
133
134 uint8_t *deintTemp;
135
136 uint64_t __attribute__((aligned(8))) pQPb;
137 uint64_t __attribute__((aligned(8))) pQPb2;
138
139 uint64_t __attribute__((aligned(8))) mmxDcOffset[64];
140 uint64_t __attribute__((aligned(8))) mmxDcThreshold[64];
141
142 QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale
143 QP_STORE_T *nonBQPTable;
144 QP_STORE_T *forcedQPTable;
145
146 int QP;
147 int nonBQP;
148
149 int frameNum;
150
151 int cpuCaps;
152
153 int qpStride; ///<size of qp buffers (needed to realloc them if needed)
154 int stride; ///<size of some buffers (needed to realloc them if needed)
155
156 int hChromaSubSample;
157 int vChromaSubSample;
158
159 PPMode ppMode;
160 } PPContext;
161
162
163 static inline void linecpy(void *dest, void *src, int lines, int stride)
164 {
165 if (stride > 0) {
166 memcpy(dest, src, lines*stride);
167 } else {
168 memcpy(dest+(lines-1)*stride, src+(lines-1)*stride, -lines*stride);
169 }
170 }