00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021 #ifndef FFMPEG_SWSCALE_H
00022 #define FFMPEG_SWSCALE_H
00023
00030 #include "avutil.h"
00031
00032 #define AV_STRINGIFY(s) AV_TOSTRING(s)
00033 #define AV_TOSTRING(s) #s
00034
00035 #define LIBSWSCALE_VERSION_INT ((0<<16)+(5<<8)+0)
00036 #define LIBSWSCALE_VERSION 0.5.0
00037 #define LIBSWSCALE_BUILD LIBSWSCALE_VERSION_INT
00038
00039 #define LIBSWSCALE_IDENT "SwS" AV_STRINGIFY(LIBSWSCALE_VERSION)
00040
00041
00042 #define SWS_FAST_BILINEAR 1
00043 #define SWS_BILINEAR 2
00044 #define SWS_BICUBIC 4
00045 #define SWS_X 8
00046 #define SWS_POINT 0x10
00047 #define SWS_AREA 0x20
00048 #define SWS_BICUBLIN 0x40
00049 #define SWS_GAUSS 0x80
00050 #define SWS_SINC 0x100
00051 #define SWS_LANCZOS 0x200
00052 #define SWS_SPLINE 0x400
00053
00054 #define SWS_SRC_V_CHR_DROP_MASK 0x30000
00055 #define SWS_SRC_V_CHR_DROP_SHIFT 16
00056
00057 #define SWS_PARAM_DEFAULT 123456
00058
00059 #define SWS_PRINT_INFO 0x1000
00060
00061
00062
00063 #define SWS_FULL_CHR_H_INT 0x2000
00064
00065 #define SWS_FULL_CHR_H_INP 0x4000
00066 #define SWS_DIRECT_BGR 0x8000
00067 #define SWS_ACCURATE_RND 0x40000
00068
00069 #define SWS_CPU_CAPS_MMX 0x80000000
00070 #define SWS_CPU_CAPS_MMX2 0x20000000
00071 #define SWS_CPU_CAPS_3DNOW 0x40000000
00072 #define SWS_CPU_CAPS_ALTIVEC 0x10000000
00073 #define SWS_CPU_CAPS_BFIN 0x01000000
00074
00075 #define SWS_MAX_REDUCE_CUTOFF 0.002
00076
00077 #define SWS_CS_ITU709 1
00078 #define SWS_CS_FCC 4
00079 #define SWS_CS_ITU601 5
00080 #define SWS_CS_ITU624 5
00081 #define SWS_CS_SMPTE170M 5
00082 #define SWS_CS_SMPTE240M 7
00083 #define SWS_CS_DEFAULT 5
00084
00085
00086
00087
00088
00089 typedef struct {
00090 double *coeff;
00091 int length;
00092 } SwsVector;
00093
00094
00095 typedef struct {
00096 SwsVector *lumH;
00097 SwsVector *lumV;
00098 SwsVector *chrH;
00099 SwsVector *chrV;
00100 } SwsFilter;
00101
00102 struct SwsContext;
00103
00104 void sws_freeContext(struct SwsContext *swsContext);
00105
00106 struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
00107 SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
00108 int sws_scale(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
00109 int srcSliceH, uint8_t* dst[], int dstStride[]);
00110 int sws_scale_ordered(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
00111 int srcSliceH, uint8_t* dst[], int dstStride[]) attribute_deprecated;
00112
00113
00114 int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation);
00115 int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation);
00116 SwsVector *sws_getGaussianVec(double variance, double quality);
00117 SwsVector *sws_getConstVec(double c, int length);
00118 SwsVector *sws_getIdentityVec(void);
00119 void sws_scaleVec(SwsVector *a, double scalar);
00120 void sws_normalizeVec(SwsVector *a, double height);
00121 void sws_convVec(SwsVector *a, SwsVector *b);
00122 void sws_addVec(SwsVector *a, SwsVector *b);
00123 void sws_subVec(SwsVector *a, SwsVector *b);
00124 void sws_shiftVec(SwsVector *a, int shift);
00125 SwsVector *sws_cloneVec(SwsVector *a);
00126
00127 void sws_printVec(SwsVector *a);
00128 void sws_freeVec(SwsVector *a);
00129
00130 SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
00131 float lumaSarpen, float chromaSharpen,
00132 float chromaHShift, float chromaVShift,
00133 int verbose);
00134 void sws_freeFilter(SwsFilter *filter);
00135
00136 struct SwsContext *sws_getCachedContext(struct SwsContext *context,
00137 int srcW, int srcH, int srcFormat,
00138 int dstW, int dstH, int dstFormat, int flags,
00139 SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
00140
00141 #endif