FFmpeg
postprocess_internal.h
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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 "libavutil/mem_internal.h"
34 #include "postprocess.h"
35 
36 #define V_DEBLOCK 0x01
37 #define H_DEBLOCK 0x02
38 #define DERING 0x04
39 #define LEVEL_FIX 0x08 ///< Brightness & Contrast
40 
41 #define LUM_V_DEBLOCK V_DEBLOCK // 1
42 #define LUM_H_DEBLOCK H_DEBLOCK // 2
43 #define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
44 #define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
45 #define LUM_DERING DERING // 4
46 #define CHROM_DERING (DERING<<4) // 64
47 #define LUM_LEVEL_FIX LEVEL_FIX // 8
48 #define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
49 
50 // Experimental vertical filters
51 #define V_X1_FILTER 0x0200 // 512
52 #define V_A_DEBLOCK 0x0400
53 
54 // Experimental horizontal filters
55 #define H_X1_FILTER 0x2000 // 8192
56 #define H_A_DEBLOCK 0x4000
57 
58 /// select between full y range (255-0) or standard one (234-16)
59 #define FULL_Y_RANGE 0x8000 // 32768
60 
61 //Deinterlacing Filters
62 #define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
63 #define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
64 #define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
65 #define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
66 #define MEDIAN_DEINT_FILTER 0x80000 // 524288
67 #define FFMPEG_DEINT_FILTER 0x400000
68 #define LOWPASS5_DEINT_FILTER 0x800000
69 
70 #define TEMP_NOISE_FILTER 0x100000
71 #define FORCE_QUANT 0x200000
72 #define BITEXACT 0x1000000
73 #define VISUALIZE 0x2000000
74 
75 //use if you want a faster postprocessing code
76 //cannot differentiate between chroma & luma filters (both on or both off)
77 //obviously the -pp option on the command line has no effect except turning the here selected
78 //filters on
79 //#define COMPILE_TIME_MODE 0x77
80 
81 /**
82  * Postprocessing filter.
83  */
84 struct PPFilter{
85  const char *shortName;
86  const char *longName;
87  int chromDefault; ///< is chrominance filtering on by default if this filter is manually activated
88  int minLumQuality; ///< minimum quality to turn luminance filtering on
89  int minChromQuality; ///< minimum quality to turn chrominance filtering on
90  int mask; ///< Bitmask to turn this filter on
91 };
92 
93 /**
94  * Postprocessing mode.
95  */
96 typedef struct PPMode{
97  int lumMode; ///< activates filters for luminance
98  int chromMode; ///< activates filters for chrominance
99  int error; ///< non zero on error
100 
101  int minAllowedY; ///< for brightness correction
102  int maxAllowedY; ///< for brightness correction
103  AVRational maxClippedThreshold; ///< amount of "black" you are willing to lose to get a brightness-corrected picture
104 
105  int maxTmpNoise[3]; ///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
106 
109 
110  int forcedQuant; ///< quantizer if FORCE_QUANT is used
111 } PPMode;
112 
113 /**
114  * postprocess context.
115  */
116 typedef struct PPContext{
117  /**
118  * info on struct for av_log
119  */
121 
122  uint8_t *tempBlocks; ///<used for the horizontal code
123 
124  /**
125  * luma histogram.
126  * we need 64bit here otherwise we'll going to have a problem
127  * after watching a black picture for 5 hours
128  */
129  uint64_t *yHistogram;
130 
133 
134  /** Temporal noise reducing buffers */
135  uint8_t *tempBlurred[3];
137 
138  /** Temporary buffers for handling the last row(s) */
139  uint8_t *tempDst;
140  uint8_t *tempSrc;
141 
142  uint8_t *deintTemp;
143 
144  DECLARE_ALIGNED(8, uint64_t, pQPb);
145  DECLARE_ALIGNED(8, uint64_t, pQPb2);
146 
147  DECLARE_ALIGNED(32, uint64_t, pQPb_block)[4];
148  DECLARE_ALIGNED(32, uint64_t, pQPb2_block)[4];
149 
150  DECLARE_ALIGNED(32, uint64_t, mmxDcOffset)[64];
151  DECLARE_ALIGNED(32, uint64_t, mmxDcThreshold)[64];
152 
153  int8_t *stdQPTable; ///< used to fix MPEG2 style qscale
154  int8_t *nonBQPTable;
155  int8_t *forcedQPTable;
156 
157  int QP;
158  int nonBQP;
159 
160  DECLARE_ALIGNED(32, int, QP_block)[4];
162 
163  int frameNum;
164 
165  int cpuCaps;
166 
167  int qpStride; ///<size of qp buffers (needed to realloc them if needed)
168  int stride; ///<size of some buffers (needed to realloc them if needed)
169 
172 
174 } PPContext;
175 
176 
177 static inline void linecpy(void *dest, const void *src, int lines, int stride) {
178  if (stride > 0) {
179  memcpy(dest, src, lines*stride);
180  } else {
181  memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride);
182  }
183 }
184 
185 #endif /* POSTPROC_POSTPROCESS_INTERNAL_H */
PPContext::av_class
const AVClass * av_class
info on struct for av_log
Definition: postprocess_internal.h:120
mem_internal.h
PPContext
postprocess context.
Definition: postprocess_internal.h:116
PPContext::tempBlurred
uint8_t * tempBlurred[3]
Temporal noise reducing buffers.
Definition: postprocess_internal.h:135
PPMode::flatnessThreshold
int flatnessThreshold
Definition: postprocess_internal.h:108
PPContext::QP
int QP
Definition: postprocess_internal.h:157
PPContext::mmxDcThreshold
uint64_t mmxDcThreshold[64]
Definition: postprocess_internal.h:151
PPContext::qpStride
int qpStride
size of qp buffers (needed to realloc them if needed)
Definition: postprocess_internal.h:167
PPFilter::mask
int mask
Bitmask to turn this filter on.
Definition: postprocess_internal.h:90
PPMode::chromMode
int chromMode
activates filters for chrominance
Definition: postprocess_internal.h:98
PPContext::tempDst
uint8_t * tempDst
Temporary buffers for handling the last row(s)
Definition: postprocess_internal.h:139
PPMode::baseDcDiff
int baseDcDiff
Definition: postprocess_internal.h:107
PPContext::tempSrc
uint8_t * tempSrc
Definition: postprocess_internal.h:140
PPMode
Postprocessing mode.
Definition: postprocess_internal.h:96
postprocess.h
PPContext::yHistogram
uint64_t * yHistogram
luma histogram.
Definition: postprocess_internal.h:129
PPContext::stdQPTable
int8_t * stdQPTable
used to fix MPEG2 style qscale
Definition: postprocess_internal.h:153
PPContext::nonBQP_block
int nonBQP_block[4]
Definition: postprocess_internal.h:161
PPContext::hChromaSubSample
int hChromaSubSample
Definition: postprocess_internal.h:170
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
PPFilter::chromDefault
int chromDefault
is chrominance filtering on by default if this filter is manually activated
Definition: postprocess_internal.h:87
PPContext::vChromaSubSample
int vChromaSubSample
Definition: postprocess_internal.h:171
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
PPContext::pQPb_block
uint64_t pQPb_block[4]
Definition: postprocess_internal.h:147
linecpy
static void linecpy(void *dest, const void *src, int lines, int stride)
Definition: postprocess_internal.h:177
PPFilter::minLumQuality
int minLumQuality
minimum quality to turn luminance filtering on
Definition: postprocess_internal.h:88
PPContext::cpuCaps
int cpuCaps
Definition: postprocess_internal.h:165
PPContext::packedYOffset
uint64_t packedYOffset
Definition: postprocess_internal.h:131
PPContext::ppMode
PPMode ppMode
Definition: postprocess_internal.h:173
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem_internal.h:109
PPContext::QP_block
int QP_block[4]
Definition: postprocess_internal.h:160
PPContext::pQPb2
uint64_t pQPb2
Definition: postprocess_internal.h:145
PPContext::stride
int stride
size of some buffers (needed to realloc them if needed)
Definition: postprocess_internal.h:168
PPContext::mmxDcOffset
uint64_t mmxDcOffset[64]
Definition: postprocess_internal.h:150
PPContext::frameNum
int frameNum
Definition: postprocess_internal.h:163
log.h
PPContext::deintTemp
uint8_t * deintTemp
Definition: postprocess_internal.h:142
PPContext::packedYScale
uint64_t packedYScale
Definition: postprocess_internal.h:132
PPMode::minAllowedY
int minAllowedY
for brightness correction
Definition: postprocess_internal.h:101
stride
#define stride
Definition: h264pred_template.c:537
PPContext::tempBlurredPast
int32_t * tempBlurredPast[3]
Definition: postprocess_internal.h:136
PPContext::tempBlocks
uint8_t * tempBlocks
used for the horizontal code
Definition: postprocess_internal.h:122
PPContext::pQPb2_block
uint64_t pQPb2_block[4]
Definition: postprocess_internal.h:148
PPFilter::shortName
const char * shortName
Definition: postprocess_internal.h:85
PPMode::error
int error
non zero on error
Definition: postprocess_internal.h:99
PPMode::maxClippedThreshold
AVRational maxClippedThreshold
amount of "black" you are willing to lose to get a brightness-corrected picture
Definition: postprocess_internal.h:103
PPContext::nonBQPTable
int8_t * nonBQPTable
Definition: postprocess_internal.h:154
avutil.h
PPFilter::minChromQuality
int minChromQuality
minimum quality to turn chrominance filtering on
Definition: postprocess_internal.h:89
PPContext::nonBQP
int nonBQP
Definition: postprocess_internal.h:158
PPContext::forcedQPTable
int8_t * forcedQPTable
Definition: postprocess_internal.h:155
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
PPMode::maxTmpNoise
int maxTmpNoise[3]
for Temporal Noise Reducing filter (Maximal sum of abs differences)
Definition: postprocess_internal.h:105
int32_t
int32_t
Definition: audioconvert.c:56
PPFilter::longName
const char * longName
Definition: postprocess_internal.h:86
PPContext::pQPb
uint64_t pQPb
Definition: postprocess_internal.h:144
PPFilter
Postprocessing filter.
Definition: postprocess_internal.h:84
PPMode::forcedQuant
int forcedQuant
quantizer if FORCE_QUANT is used
Definition: postprocess_internal.h:110
PPMode::lumMode
int lumMode
activates filters for luminance
Definition: postprocess_internal.h:97
PPMode::maxAllowedY
int maxAllowedY
for brightness correction
Definition: postprocess_internal.h:102
intmath.h