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unsigned | swscale_version (void) |
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const char * | swscale_configuration (void) |
| Return the libswscale build-time configuration. More...
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const char * | swscale_license (void) |
| Return the libswscale license. More...
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const int * | sws_getCoefficients (int colorspace) |
| Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for sws_setColorspaceDetails(). More...
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int | sws_isSupportedInput (enum AVPixelFormat pix_fmt) |
| Return a positive value if pix_fmt is a supported input format, 0 otherwise. More...
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int | sws_isSupportedOutput (enum AVPixelFormat pix_fmt) |
| Return a positive value if pix_fmt is a supported output format, 0 otherwise. More...
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int | sws_isSupportedEndiannessConversion (enum AVPixelFormat pix_fmt) |
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struct SwsContext * | sws_alloc_context (void) |
| Allocate an empty SwsContext. More...
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int | sws_init_context (struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter) |
| Initialize the swscaler context sws_context. More...
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void | sws_freeContext (struct SwsContext *swsContext) |
| Free the swscaler context swsContext. More...
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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...
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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...
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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) |
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int | sws_getColorspaceDetails (struct SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation) |
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SwsVector * | sws_allocVec (int length) |
| Allocate and return an uninitialized vector with length coefficients. More...
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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...
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SwsVector * | sws_getConstVec (double c, int length) |
| Allocate and return a vector with length coefficients, all with the same value c. More...
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SwsVector * | sws_getIdentityVec (void) |
| Allocate and return a vector with just one coefficient, with value 1.0. More...
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void | sws_scaleVec (SwsVector *a, double scalar) |
| Scale all the coefficients of a by the scalar value. More...
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void | sws_normalizeVec (SwsVector *a, double height) |
| Scale all the coefficients of a so that their sum equals height. More...
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void | sws_convVec (SwsVector *a, SwsVector *b) |
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void | sws_addVec (SwsVector *a, SwsVector *b) |
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void | sws_subVec (SwsVector *a, SwsVector *b) |
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void | sws_shiftVec (SwsVector *a, int shift) |
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SwsVector * | sws_cloneVec (SwsVector *a) |
| Allocate and return a clone of the vector a, that is a vector with the same coefficients as a. More...
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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...
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void | sws_freeVec (SwsVector *a) |
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SwsFilter * | sws_getDefaultFilter (float lumaGBlur, float chromaGBlur, float lumaSharpen, float chromaSharpen, float chromaHShift, float chromaVShift, int verbose) |
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void | sws_freeFilter (SwsFilter *filter) |
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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...
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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...
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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...
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const AVClass * | sws_get_class (void) |
| Get the AVClass for swsContext. More...
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external api for the swscale stuff
Definition in file swscale.h.