Add FFMPEG_ prefix to all multiple inclusion guards.
[libav.git] / libpostproc / postprocess_internal.h
1 /*
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 */
20
21 /**
22 * @file postprocess_internal.h
23 * internal api header.
24 */
25
26 #ifndef FFMPEG_POSTPROCESS_INTERNAL_H
27 #define FFMPEG_POSTPROCESS_INTERNAL_H
28
29 #include "avutil.h"
30 #include "postprocess.h"
31
32 #define V_DEBLOCK 0x01
33 #define H_DEBLOCK 0x02
34 #define DERING 0x04
35 #define LEVEL_FIX 0x08 ///< Brightness & Contrast
36
37 #define LUM_V_DEBLOCK V_DEBLOCK // 1
38 #define LUM_H_DEBLOCK H_DEBLOCK // 2
39 #define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
40 #define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
41 #define LUM_DERING DERING // 4
42 #define CHROM_DERING (DERING<<4) // 64
43 #define LUM_LEVEL_FIX LEVEL_FIX // 8
44 #define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
45
46 // Experimental vertical filters
47 #define V_X1_FILTER 0x0200 // 512
48 #define V_A_DEBLOCK 0x0400
49
50 // Experimental horizontal filters
51 #define H_X1_FILTER 0x2000 // 8192
52 #define H_A_DEBLOCK 0x4000
53
54 /// select between full y range (255-0) or standart one (234-16)
55 #define FULL_Y_RANGE 0x8000 // 32768
56
57 //Deinterlacing Filters
58 #define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
59 #define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
60 #define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
61 #define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
62 #define MEDIAN_DEINT_FILTER 0x80000 // 524288
63 #define FFMPEG_DEINT_FILTER 0x400000
64 #define LOWPASS5_DEINT_FILTER 0x800000
65
66 #define TEMP_NOISE_FILTER 0x100000
67 #define FORCE_QUANT 0x200000
68
69 #if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
70 # define PIC
71 #endif
72
73 //use if you want a faster postprocessing code
74 //cannot differentiate between chroma & luma filters (both on or both off)
75 //obviously the -pp option on the command line has no effect except turning the here selected
76 //filters on
77 //#define COMPILE_TIME_MODE 0x77
78
79 #if 1
80 static inline int CLIP(int a){
81 if(a&256) return ((a)>>31)^(-1);
82 else return a;
83 }
84 //#define CLIP(a) (((a)&256) ? ((a)>>31)^(-1) : (a))
85 #elif 0
86 #define CLIP(a) clip_tab[a]
87 #else
88 #define CLIP(a) (a)
89 #endif
90 /**
91 * Postprocessng filter.
92 */
93 struct PPFilter{
94 const char *shortName;
95 const char *longName;
96 int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
97 int minLumQuality; ///< minimum quality to turn luminance filtering on
98 int minChromQuality; ///< minimum quality to turn chrominance filtering on
99 int mask; ///< Bitmask to turn this filter on
100 };
101
102 /**
103 * Postprocessng mode.
104 */
105 typedef struct PPMode{
106 int lumMode; ///< acivates filters for luminance
107 int chromMode; ///< acivates filters for chrominance
108 int error; ///< non zero on error
109
110 int minAllowedY; ///< for brigtness correction
111 int maxAllowedY; ///< for brihtness correction
112 float maxClippedThreshold; ///< amount of "black" u r willing to loose to get a brightness corrected picture
113
114 int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
115
116 int baseDcDiff;
117 int flatnessThreshold;
118
119 int forcedQuant; ///< quantizer if FORCE_QUANT is used
120 } PPMode;
121
122 /**
123 * postprocess context.
124 */
125 typedef struct PPContext{
126 /**
127 * info on struct for av_log
128 */
129 AVClass *av_class;
130
131 uint8_t *tempBlocks; ///<used for the horizontal code
132
133 /**
134 * luma histogram.
135 * we need 64bit here otherwise we'll going to have a problem
136 * after watching a black picture for 5 hours
137 */
138 uint64_t *yHistogram;
139
140 DECLARE_ALIGNED(8, uint64_t, packedYOffset);
141 DECLARE_ALIGNED(8, uint64_t, packedYScale);
142
143 /** Temporal noise reducing buffers */
144 uint8_t *tempBlured[3];
145 int32_t *tempBluredPast[3];
146
147 /** Temporary buffers for handling the last row(s) */
148 uint8_t *tempDst;
149 uint8_t *tempSrc;
150
151 uint8_t *deintTemp;
152
153 DECLARE_ALIGNED(8, uint64_t, pQPb);
154 DECLARE_ALIGNED(8, uint64_t, pQPb2);
155
156 DECLARE_ALIGNED(8, uint64_t, mmxDcOffset[64]);
157 DECLARE_ALIGNED(8, uint64_t, mmxDcThreshold[64]);
158
159 QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale
160 QP_STORE_T *nonBQPTable;
161 QP_STORE_T *forcedQPTable;
162
163 int QP;
164 int nonBQP;
165
166 int frameNum;
167
168 int cpuCaps;
169
170 int qpStride; ///<size of qp buffers (needed to realloc them if needed)
171 int stride; ///<size of some buffers (needed to realloc them if needed)
172
173 int hChromaSubSample;
174 int vChromaSubSample;
175
176 PPMode ppMode;
177 } PPContext;
178
179
180 static inline void linecpy(void *dest, void *src, int lines, int stride)
181 {
182 if (stride > 0) {
183 memcpy(dest, src, lines*stride);
184 } else {
185 memcpy(dest+(lines-1)*stride, src+(lines-1)*stride, -lines*stride);
186 }
187 }
188
189 #endif /* FFMPEG_POSTPROCESS_INTERNAL_H */