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>
34
35 #define V_DEBLOCK 0x01
36 #define H_DEBLOCK 0x02
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 */
86 int chromDefault;
///< is chrominance filtering on by default if this filter is manually activated
89 int mask;
///< Bitmask to turn this filter on
90 };
91
92 /**
93 * Postprocessing mode.
94 */
96 int lumMode;
///< activates filters for luminance
97 int chromMode;
///< activates filters for chrominance
98 int error;
///< non zero on error
99
103
104 int maxTmpNoise[3];
///< for Temporal Noise Reducing filter (Maximal sum of abs differences)
105
108
111
112 /**
113 * postprocess context.
114 */
116 /**
117 * info on struct for av_log
118 */
120
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 */
129
132
133 /** Temporal noise reducing buffers */
136
137 /** Temporary buffers for handling the last row(s) */
140
142
145
148
151
155
158
161
163
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
171
174
175
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 */
int maxTmpNoise[3]
for Temporal Noise Reducing filter (Maximal sum of abs differences)
const AVClass * av_class
info on struct for av_log
int chromMode
activates filters for chrominance
uint8_t * tempDst
Temporary buffers for handling the last row(s)
#define DECLARE_ALIGNED(n, t, v)
QP_STORE_T * stdQPTable
used to fix MPEG2 style qscale
int minAllowedY
for brightness correction
int qpStride
size of qp buffers (needed to realloc them if needed)
uint64_t * yHistogram
luma histogram.
uint64_t mmxDcThreshold[64]
int minLumQuality
minimum quality to turn luminance filtering on
int error
non zero on error
static void linecpy(void *dest, const void *src, int lines, int stride)
uint8_t * tempBlurred[3]
Temporal noise reducing buffers.
int forcedQuant
quantizer if FORCE_QUANT is used
int maxAllowedY
for brightness correction
int minChromQuality
minimum quality to turn chrominance filtering on
int lumMode
activates filters for luminance
uint8_t * tempBlocks
used for the horizontal code
Describe the class of an AVClass context structure.
rational number numerator/denominator
AVRational maxClippedThreshold
amount of "black" you are willing to lose to get a brightness-corrected picture
int chromDefault
is chrominance filtering on by default if this filter is manually activated
QP_STORE_T * forcedQPTable
int32_t * tempBlurredPast[3]
GLint GLenum GLboolean GLsizei stride
int mask
Bitmask to turn this filter on.
int stride
size of some buffers (needed to realloc them if needed)