/* * Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at) * * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * internal API header. */ #ifndef POSTPROC_POSTPROCESS_INTERNAL_H#define POSTPROC_POSTPROCESS_INTERNAL_H #include <string.h>#include "libavutil/avutil.h"#include "libavutil/intmath.h"#include "libavutil/log.h"#include "libavutil/mem_internal.h"#include "postprocess.h" #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#define V_A_DEBLOCK     0x0400 // Experimental horizontal filters#define H_X1_FILTER     0x2000                  // 8192#define H_A_DEBLOCK     0x4000 /// select between full y range (255-0) or standard 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 LOWPASS5_DEINT_FILTER           0x800000 #define TEMP_NOISE_FILTER               0x100000#define FORCE_QUANT                     0x200000#define BITEXACT                        0x1000000#define VISUALIZE                       0x2000000 //use if you want a faster postprocessing code//cannot differentiate between chroma & luma filters (both on or both off)//obviously the -pp option on the command line has no effect except turning the here selected//filters on//#define COMPILE_TIME_MODE 0x77 /** * Postprocessing filter. */struct PPFilter{    const char *shortName;    const 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}; /** * Postprocessing mode. */typedef struct PPMode{    int lumMode;                    ///< activates filters for luminance    int chromMode;                  ///< activates filters for chrominance    int error;                      ///< non zero on error     int minAllowedY;                ///< for brightness correction    int maxAllowedY;                ///< for brightness correction    AVRational maxClippedThreshold; ///< amount of "black" you are willing to lose 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; /** * postprocess context. */typedef struct PPContext{    /**     * info on struct for av_log     */    const AVClass *av_class;     uint8_t *tempBlocks; ///<used for the horizontal code     /**     * luma histogram.     * we need 64bit here otherwise we'll going to have a problem     * after watching a black picture for 5 hours     */    uint64_t *yHistogram;     DECLARE_ALIGNED(8, uint64_t, packedYOffset);    DECLARE_ALIGNED(8, uint64_t, packedYScale);     /** Temporal noise reducing buffers */    uint8_t *tempBlurred[3];    int32_t *tempBlurredPast[3];     /** Temporary buffers for handling the last row(s) */    uint8_t *tempDst;    uint8_t *tempSrc;     uint8_t *deintTemp;     DECLARE_ALIGNED(8, uint64_t, pQPb);    DECLARE_ALIGNED(8, uint64_t, pQPb2);     DECLARE_ALIGNED(32, uint64_t, pQPb_block)[4];    DECLARE_ALIGNED(32, uint64_t, pQPb2_block)[4];     DECLARE_ALIGNED(32, uint64_t, mmxDcOffset)[64];    DECLARE_ALIGNED(32, uint64_t, mmxDcThreshold)[64];     int8_t *stdQPTable;       ///< used to fix MPEG2 style qscale    int8_t *nonBQPTable;    int8_t *forcedQPTable;     int QP;    int nonBQP;     DECLARE_ALIGNED(32, int, QP_block)[4];    DECLARE_ALIGNED(32, int, nonBQP_block)[4];     int frameNum;     int cpuCaps;     int qpStride; ///<size of qp buffers (needed to realloc them if needed)    int stride;   ///<size of some buffers (needed to realloc them if needed)     int hChromaSubSample;    int vChromaSubSample;     PPMode ppMode;} PPContext;  static inline void linecpy(void *dest, const void *src, int lines, int stride) {    if (stride > 0) {        memcpy(dest, src, lines*stride);    } else {        memcpy((uint8_t*)dest+(lines-1)*stride, (const uint8_t*)src+(lines-1)*stride, -lines*stride);    }} #endif /* POSTPROC_POSTPROCESS_INTERNAL_H */