ffmpeg/postproc/postprocess_internal.h

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/*
Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define V_DEBLOCK 0x01
#define H_DEBLOCK 0x02
#define DERING 0x04
#define LEVEL_FIX 0x08 /* Brightness & Contrast */
#define LUM_V_DEBLOCK V_DEBLOCK // 1
#define LUM_H_DEBLOCK H_DEBLOCK // 2
#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
#define LUM_DERING DERING // 4
#define CHROM_DERING (DERING<<4) // 64
#define LUM_LEVEL_FIX LEVEL_FIX // 8
#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128 (not implemented yet)
// Experimental vertical filters
#define V_X1_FILTER 0x0200 // 512
// Experimental horizontal filters
#define H_X1_FILTER 0x2000 // 8192
// select between full y range (255-0) or standart one (234-16)
#define FULL_Y_RANGE 0x8000 // 32768
//Deinterlacing Filters
#define LINEAR_IPOL_DEINT_FILTER 0x10000 // 65536
#define LINEAR_BLEND_DEINT_FILTER 0x20000 // 131072
#define CUBIC_BLEND_DEINT_FILTER 0x8000 // (not implemented yet)
#define CUBIC_IPOL_DEINT_FILTER 0x40000 // 262144
#define MEDIAN_DEINT_FILTER 0x80000 // 524288
#define FFMPEG_DEINT_FILTER 0x400000
#define TEMP_NOISE_FILTER 0x100000
#define FORCE_QUANT 0x200000
//use if u want a faster postprocessing code
//cant differentiate between chroma & luma filters (both on or both off)
//obviosly the -pp option at the commandline has no effect except turning the here selected
//filters on
//#define COMPILE_TIME_MODE 0x77
struct PPFilter{
char *shortName;
char *longName;
int chromDefault; // is chrominance filtering on by default if this filter is manually activated
int minLumQuality; // minimum quality to turn luminance filtering on
int minChromQuality; // minimum quality to turn chrominance filtering on
int mask; // Bitmask to turn this filter on
};
typedef struct PPMode{
int lumMode; // acivates filters for luminance
int chromMode; // acivates filters for chrominance
int error; // non zero on error
int minAllowedY; // for brigtness correction
int maxAllowedY; // for brihtness correction
float maxClippedThreshold; // amount of "black" u r willing to loose to get a brightness corrected picture
int maxTmpNoise[3]; // for Temporal Noise Reducing filter (Maximal sum of abs differences)
int baseDcDiff;
int flatnessThreshold;
int forcedQuant; // quantizer if FORCE_QUANT is used
} PPMode;
typedef struct PPContext{
uint8_t *tempBlocks; //used for the horizontal code
/* we need 64bit here otherwise we<77>ll going to have a problem
after watching a black picture for 5 hours*/
uint64_t *yHistogram;
uint64_t __attribute__((aligned(8))) packedYOffset;
uint64_t __attribute__((aligned(8))) packedYScale;
/* Temporal noise reducing buffers */
uint8_t *tempBlured[3];
int32_t *tempBluredPast[3];
/* Temporary buffers for handling the last row(s) */
uint8_t *tempDst;
uint8_t *tempSrc;
uint8_t *deintTemp;
uint64_t __attribute__((aligned(8))) pQPb;
uint64_t __attribute__((aligned(8))) pQPb2;
uint64_t __attribute__((aligned(8))) mmxDcOffset[32];
uint64_t __attribute__((aligned(8))) mmxDcThreshold[32];
QP_STORE_T *nonBQPTable;
QP_STORE_T *forcedQPTable;
int QP;
int nonBQP;
int frameNum;
int cpuCaps;
int stride; //size of some buffers (needed to realloc them if needed)
int hChromaSubSample;
int vChromaSubSample;
PPMode ppMode;
} PPContext;