postprocess_internal.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:5k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- 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
- */
- /**
- * @file postprocess_internal.h
- * internal api header.
- */
- #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 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
- #if 1
- static inline int CLIP(int a){
- if(a&256) return ((a)>>31)^(-1);
- else return a;
- }
- //#define CLIP(a) (((a)&256) ? ((a)>>31)^(-1) : (a))
- #elif 0
- #define CLIP(a) clip_tab[a]
- #else
- #define CLIP(a) (a)
- #endif
- /**
- * Postprocessng filter.
- */
- 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
- };
- /**
- * 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{
- 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;
- 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[64];
- uint64_t __attribute__((aligned(8))) 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, void *src, int lines, int stride)
- {
- if (stride > 0) {
- memcpy(dest, src, lines*stride);
- } else {
- memcpy(dest+(lines-1)*stride, src+(lines-1)*stride, -lines*stride);
- }
- }