| /* |
| * 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/log.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 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 LOWPASS5_DEINT_FILTER 0x800000 |
| |
| #define TEMP_NOISE_FILTER 0x100000 |
| #define FORCE_QUANT 0x200000 |
| |
| //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 |
| |
| static inline int CLIP(int a){ |
| if(a&256) return ((a)>>31)^(-1); |
| else return a; |
| } |
| /** |
| * Postprocessng 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 |
| }; |
| |
| /** |
| * Postprocessng mode. |
| */ |
| 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; |
| |
| /** |
| * 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(8, uint64_t, mmxDcOffset)[64]; |
| DECLARE_ALIGNED(8, uint64_t, mmxDcThreshold)[64]; |
| |
| QP_STORE_T *stdQPTable; ///< used to fix MPEG2 style qscale |
| QP_STORE_T *nonBQPTable; |
| QP_STORE_T *forcedQPTable; |
| |
| int QP; |
| int nonBQP; |
| |
| 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 */ |