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FFmpeg
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external API header More...
#include <stdint.h>#include "libavutil/avutil.h"#include "libavutil/log.h"#include "libavutil/pixfmt.h"#include "version.h"Go to the source code of this file.
Data Structures | |
| struct | SwsVector |
| struct | SwsFilter |
Macros | |
| #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 |
Functions | |
| unsigned | swscale_version (void) |
| const char * | swscale_configuration (void) |
| Return the libswscale build-time configuration. More... | |
| const char * | swscale_license (void) |
| Return the libswscale license. More... | |
| const int * | sws_getCoefficients (int colorspace) |
| Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for sws_setColorspaceDetails(). More... | |
| int | sws_isSupportedInput (enum AVPixelFormat pix_fmt) |
| Return a positive value if pix_fmt is a supported input format, 0 otherwise. More... | |
| int | sws_isSupportedOutput (enum AVPixelFormat pix_fmt) |
| Return a positive value if pix_fmt is a supported output format, 0 otherwise. More... | |
| int | sws_isSupportedEndiannessConversion (enum AVPixelFormat pix_fmt) |
| struct SwsContext * | sws_alloc_context (void) |
| Allocate an empty SwsContext. More... | |
| av_warn_unused_result int | sws_init_context (struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter) |
| Initialize the swscaler context sws_context. More... | |
| void | sws_freeContext (struct SwsContext *swsContext) |
| Free the swscaler context swsContext. More... | |
| 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) |
| Allocate and return an SwsContext. More... | |
| 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[]) |
| Scale the image slice in srcSlice and put the resulting scaled slice in the image in dst. More... | |
| 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) |
| Allocate and return an uninitialized vector with length coefficients. More... | |
| SwsVector * | sws_getGaussianVec (double variance, double quality) |
| Return a normalized Gaussian curve used to filter stuff quality = 3 is high quality, lower is lower quality. More... | |
| void | sws_scaleVec (SwsVector *a, double scalar) |
| Scale all the coefficients of a by the scalar value. More... | |
| void | sws_normalizeVec (SwsVector *a, double height) |
| Scale all the coefficients of a so that their sum equals height. More... | |
| attribute_deprecated SwsVector * | sws_getConstVec (double c, int length) |
| Allocate and return a vector with length coefficients, all with the same value c. More... | |
| attribute_deprecated SwsVector * | sws_getIdentityVec (void) |
| Allocate and return a vector with just one coefficient, with value 1.0. More... | |
| 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) |
| Print with av_log() a textual representation of the vector a if log_level <= av_log_level. More... | |
| 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) |
| Check if context can be reused, otherwise reallocate a new one. More... | |
| void | sws_convertPalette8ToPacked32 (const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) |
| Convert an 8-bit paletted frame into a frame with a color depth of 32 bits. More... | |
| void | sws_convertPalette8ToPacked24 (const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) |
| Convert an 8-bit paletted frame into a frame with a color depth of 24 bits. More... | |
| const AVClass * | sws_get_class (void) |
| Get the AVClass for swsContext. More... | |
external API header
Definition in file swscale.h.
1.8.6