blob: d128dfbe2f6d64b6438797a487a198b6a43d0218
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 |
23 | * internal API header. |
24 | */ |
25 | |
26 | #ifndef POSTPROC_POSTPROCESS_INTERNAL_H |
27 | #define POSTPROC_POSTPROCESS_INTERNAL_H |
28 | |
29 | #include <string.h> |
30 | #include "libavutil/avutil.h" |
31 | #include "libavutil/intmath.h" |
32 | #include "libavutil/log.h" |
33 | #include "postprocess.h" |
34 | |
35 | #define V_DEBLOCK 0x01 |
36 | #define H_DEBLOCK 0x02 |
37 | #define DERING 0x04 |
38 | #define LEVEL_FIX 0x08 ///< Brightness & Contrast |
39 | |
40 | #define LUM_V_DEBLOCK V_DEBLOCK // 1 |
41 | #define LUM_H_DEBLOCK H_DEBLOCK // 2 |
42 | #define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16 |
43 | #define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32 |
44 | #define LUM_DERING DERING // 4 |
45 | #define CHROM_DERING (DERING<<4) // 64 |
46 | #define LUM_LEVEL_FIX LEVEL_FIX // 8 |
47 | #define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet) |
48 | |
49 | // Experimental vertical filters |
50 | #define V_X1_FILTER 0x0200 // 512 |
51 | #define V_A_DEBLOCK 0x0400 |
52 | |
53 | // Experimental horizontal filters |
54 | #define H_X1_FILTER 0x2000 // 8192 |
55 | #define H_A_DEBLOCK 0x4000 |
56 | |
57 | /// select between full y range (255-0) or standard one (234-16) |
58 | #define FULL_Y_RANGE 0x8000 // 32768 |
59 | |
60 | //Deinterlacing Filters |
61 | #define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536 |
62 | #define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072 |
63 | #define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet) |
64 | #define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144 |
65 | #define MEDIAN_DEINT_FILTER 0x80000 // 524288 |
66 | #define FFMPEG_DEINT_FILTER 0x400000 |
67 | #define LOWPASS5_DEINT_FILTER 0x800000 |
68 | |
69 | #define TEMP_NOISE_FILTER 0x100000 |
70 | #define FORCE_QUANT 0x200000 |
71 | #define BITEXACT 0x1000000 |
72 | #define VISUALIZE 0x2000000 |
73 | |
74 | //use if you want a faster postprocessing code |
75 | //cannot differentiate between chroma & luma filters (both on or both off) |
76 | //obviously the -pp option on the command line has no effect except turning the here selected |
77 | //filters on |
78 | //#define COMPILE_TIME_MODE 0x77 |
79 | |
80 | /** |
81 | * Postprocessing filter. |
82 | */ |
83 | struct PPFilter{ |
84 | const char *shortName; |
85 | const char *longName; |
86 | int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated |
87 | int minLumQuality; ///< minimum quality to turn luminance filtering on |
88 | int minChromQuality; ///< minimum quality to turn chrominance filtering on |
89 | int mask; ///< Bitmask to turn this filter on |
90 | }; |
91 | |
92 | /** |
93 | * Postprocessing mode. |
94 | */ |
95 | typedef struct PPMode{ |
96 | int lumMode; ///< activates filters for luminance |
97 | int chromMode; ///< activates filters for chrominance |
98 | int error; ///< non zero on error |
99 | |
100 | int minAllowedY; ///< for brightness correction |
101 | int maxAllowedY; ///< for brightness correction |
102 | AVRational maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture |
103 | |
104 | int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences) |
105 | |
106 | int baseDcDiff; |
107 | int flatnessThreshold; |
108 | |
109 | int forcedQuant; ///< quantizer if FORCE_QUANT is used |
110 | } PPMode; |
111 | |
112 | /** |
113 | * postprocess context. |
114 | */ |
115 | typedef struct PPContext{ |
116 | /** |
117 | * info on struct for av_log |
118 | */ |
119 | const AVClass *av_class; |
120 | |
121 | uint8_t *tempBlocks; ///<used for the horizontal code |
122 | |
123 | /** |
124 | * luma histogram. |
125 | * we need 64bit here otherwise we'll going to have a problem |
126 | * after watching a black picture for 5 hours |
127 | */ |
128 | uint64_t *yHistogram; |
129 | |
130 | DECLARE_ALIGNED(8, uint64_t, packedYOffset); |
131 | DECLARE_ALIGNED(8, uint64_t, packedYScale); |
132 | |
133 | /** Temporal noise reducing buffers */ |
134 | uint8_t *tempBlurred[3]; |
135 | int32_t *tempBlurredPast[3]; |
136 | |
137 | /** Temporary buffers for handling the last row(s) */ |
138 | uint8_t *tempDst; |
139 | uint8_t *tempSrc; |
140 | |
141 | uint8_t *deintTemp; |
142 | |
143 | DECLARE_ALIGNED(8, uint64_t, pQPb); |
144 | DECLARE_ALIGNED(8, uint64_t, pQPb2); |
145 | |
146 | DECLARE_ALIGNED(32, uint64_t, pQPb_block)[4]; |
147 | DECLARE_ALIGNED(32, uint64_t, pQPb2_block)[4]; |
148 | |
149 | DECLARE_ALIGNED(32, uint64_t, mmxDcOffset)[64]; |
150 | DECLARE_ALIGNED(32, uint64_t, mmxDcThreshold)[64]; |
151 | |
152 | QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale |
153 | QP_STORE_T *nonBQPTable; |
154 | QP_STORE_T *forcedQPTable; |
155 | |
156 | int QP; |
157 | int nonBQP; |
158 | |
159 | DECLARE_ALIGNED(32, int, QP_block)[4]; |
160 | DECLARE_ALIGNED(32, int, nonBQP_block)[4]; |
161 | |
162 | int frameNum; |
163 | |
164 | int cpuCaps; |
165 | |
166 | int qpStride; ///<size of qp buffers (needed to realloc them if needed) |
167 | int stride; ///<size of some buffers (needed to realloc them if needed) |
168 | |
169 | int hChromaSubSample; |
170 | int vChromaSubSample; |
171 | |
172 | PPMode ppMode; |
173 | } PPContext; |
174 | |
175 | |
176 | static inline void linecpy(void *dest, const void *src, int lines, int stride) { |
177 | if (stride > 0) { |
178 | memcpy(dest, src, lines*stride); |
179 | } else { |
180 | memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride); |
181 | } |
182 | } |
183 | |
184 | #endif /* POSTPROC_POSTPROCESS_INTERNAL_H */ |
185 |