123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336 |
- #ifndef SWSCALE_SWSCALE_H
- #define SWSCALE_SWSCALE_H
- #include <stdint.h>
- #include "libavutil/avutil.h"
- #include "libavutil/log.h"
- #include "libavutil/pixfmt.h"
- #include "version.h"
- unsigned swscale_version(void);
- const char *swscale_configuration(void);
- const char *swscale_license(void);
- #define SWS_FAST_BILINEAR 1
- #define SWS_BILINEAR 2
- #define SWS_BICUBIC 4
- #define SWS_X 8
- #define SWS_POINT 0x10
- #define SWS_AREA 0x20
- #define SWS_BICUBLIN 0x40
- #define SWS_GAUSS 0x80
- #define SWS_SINC 0x100
- #define SWS_LANCZOS 0x200
- #define SWS_SPLINE 0x400
- #define SWS_SRC_V_CHR_DROP_MASK 0x30000
- #define SWS_SRC_V_CHR_DROP_SHIFT 16
- #define SWS_PARAM_DEFAULT 123456
- #define SWS_PRINT_INFO 0x1000
- #define SWS_FULL_CHR_H_INT 0x2000
- #define SWS_FULL_CHR_H_INP 0x4000
- #define SWS_DIRECT_BGR 0x8000
- #define SWS_ACCURATE_RND 0x40000
- #define SWS_BITEXACT 0x80000
- #define SWS_ERROR_DIFFUSION 0x800000
- #define SWS_MAX_REDUCE_CUTOFF 0.002
- #define SWS_CS_ITU709 1
- #define SWS_CS_FCC 4
- #define SWS_CS_ITU601 5
- #define SWS_CS_ITU624 5
- #define SWS_CS_SMPTE170M 5
- #define SWS_CS_SMPTE240M 7
- #define SWS_CS_DEFAULT 5
- #define SWS_CS_BT2020 9
- const int *sws_getCoefficients(int colorspace);
- typedef struct SwsVector {
- double *coeff;
- int length;
- } SwsVector;
- typedef struct SwsFilter {
- SwsVector *lumH;
- SwsVector *lumV;
- SwsVector *chrH;
- SwsVector *chrV;
- } SwsFilter;
- struct SwsContext;
- int sws_isSupportedInput(enum AVPixelFormat pix_fmt);
- int sws_isSupportedOutput(enum AVPixelFormat pix_fmt);
- int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt);
- struct SwsContext *sws_alloc_context(void);
- av_warn_unused_result
- int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
- void sws_freeContext(struct SwsContext *swsContext);
- struct SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
- int dstW, int dstH, enum AVPixelFormat dstFormat,
- int flags, SwsFilter *srcFilter,
- SwsFilter *dstFilter, const double *param);
- int sws_scale(struct SwsContext *c, const uint8_t *const srcSlice[],
- const int srcStride[], int srcSliceY, int srcSliceH,
- uint8_t *const dst[], const int dstStride[]);
- 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);
- int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
- int *srcRange, int **table, int *dstRange,
- int *brightness, int *contrast, int *saturation);
- SwsVector *sws_allocVec(int length);
- SwsVector *sws_getGaussianVec(double variance, double quality);
- void sws_scaleVec(SwsVector *a, double scalar);
- void sws_normalizeVec(SwsVector *a, double height);
- #if FF_API_SWS_VECTOR
- attribute_deprecated SwsVector *sws_getConstVec(double c, int length);
- attribute_deprecated SwsVector *sws_getIdentityVec(void);
- attribute_deprecated void sws_convVec(SwsVector *a, SwsVector *b);
- attribute_deprecated void sws_addVec(SwsVector *a, SwsVector *b);
- attribute_deprecated void sws_subVec(SwsVector *a, SwsVector *b);
- attribute_deprecated void sws_shiftVec(SwsVector *a, int shift);
- attribute_deprecated SwsVector *sws_cloneVec(SwsVector *a);
- attribute_deprecated void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
- #endif
- void sws_freeVec(SwsVector *a);
- SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
- float lumaSharpen, float chromaSharpen,
- float chromaHShift, float chromaVShift,
- int verbose);
- void sws_freeFilter(SwsFilter *filter);
- struct SwsContext *sws_getCachedContext(struct SwsContext *context,
- int srcW, int srcH, enum AVPixelFormat srcFormat,
- int dstW, int dstH, enum AVPixelFormat dstFormat,
- int flags, SwsFilter *srcFilter,
- SwsFilter *dstFilter, const double *param);
- void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
- void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
- const AVClass *sws_get_class(void);
- #endif
|