#include "config.h"
#include "libavutil/avassert.h"
#include "libavutil/avutil.h"
#include "libavutil/common.h"
#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/pixdesc.h"
Go to the source code of this file.
Data Structures | |
struct | SwsContext |
Macros | |
#define | STR(s) AV_TOSTRING(s) |
#define | FAST_BGR2YV12 |
#define | MAX_FILTER_SIZE 256 |
#define | ALT32_CORR 1 |
#define | APCK_PTR2 4 |
#define | APCK_COEF 8 |
#define | APCK_SIZE 16 |
#define | RED_DITHER "0*8" |
#define | GREEN_DITHER "1*8" |
#define | BLUE_DITHER "2*8" |
#define | Y_COEFF "3*8" |
#define | VR_COEFF "4*8" |
#define | UB_COEFF "5*8" |
#define | VG_COEFF "6*8" |
#define | UG_COEFF "7*8" |
#define | Y_OFFSET "8*8" |
#define | U_OFFSET "9*8" |
#define | V_OFFSET "10*8" |
#define | LUM_MMX_FILTER_OFFSET "11*8" |
#define | CHR_MMX_FILTER_OFFSET "11*8+4*4*256" |
#define | DSTW_OFFSET "11*8+4*4*256*2" |
#define | ESP_OFFSET "11*8+4*4*256*2+8" |
#define | VROUNDER_OFFSET "11*8+4*4*256*2+16" |
#define | U_TEMP "11*8+4*4*256*2+24" |
#define | V_TEMP "11*8+4*4*256*2+32" |
#define | Y_TEMP "11*8+4*4*256*2+40" |
#define | ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48" |
#define | UV_OFF_PX "11*8+4*4*256*3+48" |
#define | UV_OFF_BYTE "11*8+4*4*256*3+56" |
#define | DITHER16 "11*8+4*4*256*3+64" |
#define | DITHER32 "11*8+4*4*256*3+80" |
#define | isGray(x) |
#define | isRGBinInt(x) |
#define | isBGRinInt(x) |
#define | isAnyRGB(x) |
Typedefs | |
typedef int(* | SwsFunc )(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) |
typedef void(* | yuv2planar1_fn )(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset) |
Write one line of horizontally scaled data to planar output without any additional vertical scaling (or point-scaling). More... | |
typedef void(* | yuv2planarX_fn )(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset) |
Write one line of horizontally scaled data to planar output with multi-point vertical scaling between input pixels. More... | |
typedef void(* | yuv2interleavedX_fn )(struct SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest, int dstW) |
Write one line of horizontally scaled chroma to interleaved output with multi-point vertical scaling between input pixels. More... | |
typedef void(* | yuv2packed1_fn )(struct SwsContext *c, const int16_t *lumSrc, const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc, uint8_t *dest, int dstW, int uvalpha, int y) |
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output without any additional vertical scaling (or point-scaling). More... | |
typedef void(* | yuv2packed2_fn )(struct SwsContext *c, const int16_t *lumSrc[2], const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y) |
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing bilinear scaling between two input lines. More... | |
typedef void(* | yuv2packedX_fn )(struct SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y) |
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing multi-point vertical scaling between input pixels. More... | |
typedef struct SwsContext | SwsContext |
Variables | |
const uint64_t | ff_dither4 [2] |
const uint64_t | ff_dither8 [2] |
const AVClass | sws_context_class |
#define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48" |
Definition at line 357 of file swscale_internal.h.
Referenced by yuv2rgb32_X(), and yuv2rgb32_X_ar().
#define ALT32_CORR 1 |
Definition at line 46 of file swscale_internal.h.
Referenced by rgbToRgbWrapper().
#define APCK_COEF 8 |
Definition at line 55 of file swscale_internal.h.
#define APCK_PTR2 4 |
Definition at line 54 of file swscale_internal.h.
#define APCK_SIZE 16 |
Definition at line 56 of file swscale_internal.h.
Referenced by initFilter().
#define BLUE_DITHER "2*8" |
Definition at line 340 of file swscale_internal.h.
Referenced by yuv2rgb555_1(), yuv2rgb555_2(), yuv2rgb555_X(), yuv2rgb555_X_ar(), yuv2rgb565_1(), yuv2rgb565_2(), yuv2rgb565_X(), and yuv2rgb565_X_ar().
#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256" |
Definition at line 350 of file swscale_internal.h.
#define DITHER16 "11*8+4*4*256*3+64" |
Definition at line 360 of file swscale_internal.h.
#define DITHER32 "11*8+4*4*256*3+80" |
Definition at line 361 of file swscale_internal.h.
#define DSTW_OFFSET "11*8+4*4*256*2" |
Definition at line 351 of file swscale_internal.h.
#define ESP_OFFSET "11*8+4*4*256*2+8" |
Definition at line 352 of file swscale_internal.h.
Referenced by yuv2bgr24_1(), yuv2bgr24_2(), yuv2rgb32_1(), yuv2rgb32_2(), yuv2rgb555_1(), yuv2rgb555_2(), yuv2rgb565_1(), yuv2rgb565_2(), yuv2yuyv422_1(), and yuv2yuyv422_2().
#define FAST_BGR2YV12 |
Definition at line 39 of file swscale_internal.h.
#define GREEN_DITHER "1*8" |
Definition at line 339 of file swscale_internal.h.
Referenced by yuv2rgb555_1(), yuv2rgb555_2(), yuv2rgb555_X(), yuv2rgb555_X_ar(), yuv2rgb565_1(), yuv2rgb565_2(), yuv2rgb565_X(), and yuv2rgb565_X_ar().
#define isAnyRGB | ( | x | ) |
Definition at line 636 of file swscale_internal.h.
Referenced by ff_get_unscaled_swscale(), sws_init_context(), and sws_init_swScale_c().
#define isBGRinInt | ( | x | ) |
Definition at line 618 of file swscale_internal.h.
Referenced by findRgbConvFn().
#define isGray | ( | x | ) |
Definition at line 593 of file swscale_internal.h.
#define isRGBinInt | ( | x | ) |
Definition at line 600 of file swscale_internal.h.
Referenced by findRgbConvFn().
#define LUM_MMX_FILTER_OFFSET "11*8" |
Definition at line 349 of file swscale_internal.h.
#define MAX_FILTER_SIZE 256 |
Definition at line 41 of file swscale_internal.h.
Referenced by initFilter().
#define RED_DITHER "0*8" |
Definition at line 338 of file swscale_internal.h.
Referenced by yuv2rgb555_1(), yuv2rgb555_2(), yuv2rgb555_X(), yuv2rgb555_X_ar(), yuv2rgb565_1(), yuv2rgb565_2(), yuv2rgb565_X(), and yuv2rgb565_X_ar().
#define STR | ( | s | ) | AV_TOSTRING(s) |
Definition at line 37 of file swscale_internal.h.
Referenced by av_register_all().
#define U_OFFSET "9*8" |
Definition at line 347 of file swscale_internal.h.
#define U_TEMP "11*8+4*4*256*2+24" |
Definition at line 354 of file swscale_internal.h.
Referenced by yuv2rgb32_2(), and yuv2rgb32_X_ar().
#define UB_COEFF "5*8" |
Definition at line 343 of file swscale_internal.h.
#define UG_COEFF "7*8" |
Definition at line 345 of file swscale_internal.h.
#define UV_OFF_BYTE "11*8+4*4*256*3+56" |
Definition at line 359 of file swscale_internal.h.
#define UV_OFF_PX "11*8+4*4*256*3+48" |
Definition at line 358 of file swscale_internal.h.
#define V_OFFSET "10*8" |
Definition at line 348 of file swscale_internal.h.
#define V_TEMP "11*8+4*4*256*2+32" |
Definition at line 355 of file swscale_internal.h.
Referenced by yuv2rgb32_2(), and yuv2rgb32_X_ar().
#define VG_COEFF "6*8" |
Definition at line 344 of file swscale_internal.h.
#define VR_COEFF "4*8" |
Definition at line 342 of file swscale_internal.h.
#define VROUNDER_OFFSET "11*8+4*4*256*2+16" |
Definition at line 353 of file swscale_internal.h.
#define Y_COEFF "3*8" |
Definition at line 341 of file swscale_internal.h.
#define Y_OFFSET "8*8" |
Definition at line 346 of file swscale_internal.h.
#define Y_TEMP "11*8+4*4*256*2+40" |
Definition at line 356 of file swscale_internal.h.
Referenced by yuv2rgb32_X_ar().
typedef struct SwsContext SwsContext |
typedef int(* SwsFunc)(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) |
Definition at line 61 of file swscale_internal.h.
typedef void(* yuv2interleavedX_fn)(struct SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest, int dstW) |
Write one line of horizontally scaled chroma to interleaved output with multi-point vertical scaling between input pixels.
c | SWS scaling context |
chrFilter | vertical chroma scaling coefficients, 12bit [0,4096] |
chrUSrc | scaled chroma (U) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrVSrc | scaled chroma (V) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrFilterSize | number of vertical chroma input lines to scale |
dest | pointer to the output plane. For >8bit output, this is in uint16_t |
dstW | width of chroma planes |
Definition at line 112 of file swscale_internal.h.
typedef void(* yuv2packed1_fn)(struct SwsContext *c, const int16_t *lumSrc, const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc, uint8_t *dest, int dstW, int uvalpha, int y) |
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output without any additional vertical scaling (or point-scaling).
Note that this function may do chroma scaling, see the "uvalpha" argument.
c | SWS scaling context |
lumSrc | scaled luma (Y) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrUSrc | scaled chroma (U) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrVSrc | scaled chroma (V) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
alpSrc | scaled alpha (A) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
dest | pointer to the output plane. For 16bit output, this is uint16_t |
dstW | width of lumSrc and alpSrc in pixels, number of pixels to write into dest[] |
uvalpha | chroma scaling coefficient for the second line of chroma pixels, either 2048 or 0. If 0, one chroma input is used for 2 output pixels (or if the SWS_FLAG_FULL_CHR_INT flag is set, it generates 1 output pixel). If 2048, two chroma input pixels should be averaged for 2 output pixels (this only happens if SWS_FLAG_FULL_CHR_INT is not set) |
y | vertical line number for this output. This does not need to be used to calculate the offset in the destination, but can be used to generate comfort noise using dithering for some output formats. |
Definition at line 148 of file swscale_internal.h.
typedef void(* yuv2packed2_fn)(struct SwsContext *c, const int16_t *lumSrc[2], const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y) |
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing bilinear scaling between two input lines.
c | SWS scaling context |
lumSrc | scaled luma (Y) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrUSrc | scaled chroma (U) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrVSrc | scaled chroma (V) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
alpSrc | scaled alpha (A) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
dest | pointer to the output plane. For 16bit output, this is uint16_t |
dstW | width of lumSrc and alpSrc in pixels, number of pixels to write into dest[] |
yalpha | luma/alpha scaling coefficients for the second input line. The first line's coefficients can be calculated by using 4096 - yalpha |
uvalpha | chroma scaling coefficient for the second input line. The first line's coefficients can be calculated by using 4096 - uvalpha |
y | vertical line number for this output. This does not need to be used to calculate the offset in the destination, but can be used to generate comfort noise using dithering for some output formats. |
Definition at line 181 of file swscale_internal.h.
typedef void(* yuv2packedX_fn)(struct SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y) |
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing multi-point vertical scaling between input pixels.
c | SWS scaling context |
lumFilter | vertical luma/alpha scaling coefficients, 12bit [0,4096] |
lumSrc | scaled luma (Y) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
lumFilterSize | number of vertical luma/alpha input lines to scale |
chrFilter | vertical chroma scaling coefficients, 12bit [0,4096] |
chrUSrc | scaled chroma (U) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrVSrc | scaled chroma (V) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
chrFilterSize | number of vertical chroma input lines to scale |
alpSrc | scaled alpha (A) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
dest | pointer to the output plane. For 16bit output, this is uint16_t |
dstW | width of lumSrc and alpSrc in pixels, number of pixels to write into dest[] |
y | vertical line number for this output. This does not need to be used to calculate the offset in the destination, but can be used to generate comfort noise using dithering or some output formats. |
Definition at line 213 of file swscale_internal.h.
typedef void(* yuv2planar1_fn)(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset) |
Write one line of horizontally scaled data to planar output without any additional vertical scaling (or point-scaling).
src | scaled source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
dest | pointer to the output plane. For >8bit output, this is in uint16_t |
dstW | width of destination in pixels |
dither | ordered dither array of type int16_t and size 8 |
offset | Dither offset |
Definition at line 77 of file swscale_internal.h.
typedef void(* yuv2planarX_fn)(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset) |
Write one line of horizontally scaled data to planar output with multi-point vertical scaling between input pixels.
filter | vertical luma/alpha scaling coefficients, 12bit [0,4096] |
src | scaled luma (Y) or alpha (A) source data, 15bit for 8-10bit output, 19-bit for 16bit output (in int32_t) |
filterSize | number of vertical input lines to scale |
dest | pointer to output plane. For >8bit output, this is in uint16_t |
dstW | width of destination pixels |
offset | Dither offset |
Definition at line 93 of file swscale_internal.h.
void ff_bfin_get_unscaled_swscale | ( | SwsContext * | c | ) |
Definition at line 74 of file swscale_bfin.c.
Referenced by ff_get_unscaled_swscale().
void ff_get_unscaled_swscale | ( | SwsContext * | c | ) |
Set c->swScale to an unscaled converter if one exists for the specific source and destination formats, bit depths, flags, etc.
Definition at line 894 of file swscale_unscaled.c.
Referenced by sws_init_context().
SwsFunc ff_getSwsFunc | ( | SwsContext * | c | ) |
Return function pointer to fastest main scaler path function depending on architecture and available optimizations.
Definition at line 764 of file swscale.c.
Referenced by sws_init_context().
void ff_sws_init_input_funcs | ( | SwsContext * | c | ) |
Definition at line 671 of file input.c.
Referenced by sws_init_swScale_c().
void ff_sws_init_output_funcs | ( | SwsContext * | c, |
yuv2planar1_fn * | yuv2plane1, | ||
yuv2planarX_fn * | yuv2planeX, | ||
yuv2interleavedX_fn * | yuv2nv12cX, | ||
yuv2packed1_fn * | yuv2packed1, | ||
yuv2packed2_fn * | yuv2packed2, | ||
yuv2packedX_fn * | yuv2packedX | ||
) |
Definition at line 1264 of file output.c.
Referenced by sws_init_swScale_c(), and swScale().
void ff_sws_init_swScale_altivec | ( | SwsContext * | c | ) |
Definition at line 288 of file swscale_altivec.c.
Referenced by ff_getSwsFunc().
void ff_sws_init_swScale_mmx | ( | SwsContext * | c | ) |
Definition at line 305 of file swscale.c.
Referenced by ff_getSwsFunc().
void ff_swscale_get_unscaled_altivec | ( | SwsContext * | c | ) |
Definition at line 182 of file yuv2yuv_altivec.c.
Referenced by ff_get_unscaled_swscale().
int ff_yuv2rgb_c_init_tables | ( | SwsContext * | c, |
const int | inv_table[4], | ||
int | fullRange, | ||
int | brightness, | ||
int | contrast, | ||
int | saturation | ||
) |
Definition at line 669 of file yuv2rgb.c.
Referenced by sws_setColorspaceDetails().
SwsFunc ff_yuv2rgb_get_func_ptr | ( | SwsContext * | c | ) |
Definition at line 564 of file yuv2rgb.c.
Referenced by ff_get_unscaled_swscale().
SwsFunc ff_yuv2rgb_get_func_ptr_bfin | ( | SwsContext * | c | ) |
Definition at line 170 of file yuv2rgb_bfin.c.
Referenced by ff_yuv2rgb_get_func_ptr().
SwsFunc ff_yuv2rgb_init_altivec | ( | SwsContext * | c | ) |
Definition at line 539 of file yuv2rgb_altivec.c.
Referenced by ff_yuv2rgb_get_func_ptr().
SwsFunc ff_yuv2rgb_init_mmx | ( | SwsContext * | c | ) |
Definition at line 72 of file yuv2rgb.c.
Referenced by ff_yuv2rgb_get_func_ptr().
void ff_yuv2rgb_init_tables_altivec | ( | SwsContext * | c, |
const int | inv_table[4], | ||
int | brightness, | ||
int | contrast, | ||
int | saturation | ||
) |
Definition at line 599 of file yuv2rgb_altivec.c.
Referenced by sws_setColorspaceDetails().
SwsFunc ff_yuv2rgb_init_vis | ( | SwsContext * | c | ) |
Definition at line 188 of file yuv2rgb_vis.c.
Referenced by ff_yuv2rgb_get_func_ptr().
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Definition at line 546 of file swscale_internal.h.
Referenced by ff_sws_init_output_funcs(), ff_sws_init_swScale_altivec(), planarCopyWrapper(), sws_init_swScale(), and swScale().
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Definition at line 553 of file swscale_internal.h.
Referenced by ff_sws_init_output_funcs(), ff_sws_init_swScale_altivec(), planarCopyWrapper(), sws_init_swScale(), and swScale().
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Definition at line 640 of file swscale_internal.h.
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Definition at line 560 of file swscale_internal.h.
Referenced by ff_sws_init_output_funcs(), ff_sws_init_swScale_mmx(), planarCopyWrapper(), and swScale().
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Definition at line 647 of file swscale_internal.h.
Referenced by ff_get_unscaled_swscale(), and swScale().
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Definition at line 662 of file swscale_internal.h.
Referenced by ff_get_unscaled_swscale().
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Definition at line 655 of file swscale_internal.h.
Referenced by reset_ptr(), and swScale().
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Definition at line 669 of file swscale_internal.h.
Referenced by ff_get_unscaled_swscale().
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Definition at line 574 of file swscale_internal.h.
Referenced by ff_get_unscaled_swscale(), and swScale().
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Definition at line 581 of file swscale_internal.h.
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Definition at line 567 of file swscale_internal.h.
Referenced by isPlanarYUV(), sws_getColorspaceDetails(), and sws_setColorspaceDetails().
const char* sws_format_name | ( | enum AVPixelFormat | format | ) |
Definition at line 189 of file utils.c.
Referenced by ff_yuv2packedX_altivec(), ff_yuv2rgb_get_func_ptr(), ff_yuv2rgb_get_func_ptr_bfin(), palToRgbWrapper(), rgbToRgbWrapper(), and sws_init_context().
void updateMMXDitherTables | ( | SwsContext * | c, |
int | dstY, | ||
int | lumBufIndex, | ||
int | chrBufIndex, | ||
int | lastInLumBuf, | ||
int | lastInChrBuf | ||
) |
Referenced by swScale().
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Definition at line 677 of file swscale_internal.h.
Referenced by ff_get_unscaled_swscale(), palToRgbWrapper(), reset_ptr(), and sws_scale().
const uint64_t ff_dither4[2] |
Referenced by yuv420_rgb16().
const uint64_t ff_dither8[2] |
Referenced by yuv420_rgb15(), and yuv420_rgb16().
const AVClass sws_context_class |
Definition at line 69 of file options.c.
Referenced by sws_alloc_context(), and sws_get_class().