21 #ifndef SWSCALE_SWSCALE_INTERNAL_H
22 #define SWSCALE_SWSCALE_INTERNAL_H
37 #define STR(s) AV_TOSTRING(s)
39 #define YUVRGB_TABLE_HEADROOM 512
40 #define YUVRGB_TABLE_LUMA_HEADROOM 512
42 #define MAX_FILTER_SIZE SWS_MAX_FILTER_SIZE
47 #define ALT32_CORR (-1)
62 #define RETCODE_USE_CASCADE -12345
84 int srcStride[],
int srcSliceY,
int srcSliceH,
85 uint8_t *dst[],
int dstStride[]);
137 const int16_t *chrFilter,
139 const int16_t **chrUSrc,
140 const int16_t **chrVSrc,
173 const int16_t *chrUSrc[2],
174 const int16_t *chrVSrc[2],
175 const int16_t *alpSrc,
uint8_t *dest,
176 int dstW,
int uvalpha,
int y);
206 const int16_t *chrUSrc[2],
207 const int16_t *chrVSrc[2],
208 const int16_t *alpSrc[2],
210 int dstW,
int yalpha,
int uvalpha,
int y);
238 const int16_t **lumSrc,
int lumFilterSize,
239 const int16_t *chrFilter,
240 const int16_t **chrUSrc,
241 const int16_t **chrVSrc,
int chrFilterSize,
242 const int16_t **alpSrc,
uint8_t *dest,
272 const int16_t **lumSrc,
int lumFilterSize,
273 const int16_t *chrFilter,
274 const int16_t **chrUSrc,
275 const int16_t **chrVSrc,
int chrFilterSize,
276 const int16_t **alpSrc,
uint8_t **dest,
416 #define RGB2YUV_SHIFT 15
441 #define RED_DITHER "0*8"
442 #define GREEN_DITHER "1*8"
443 #define BLUE_DITHER "2*8"
444 #define Y_COEFF "3*8"
445 #define VR_COEFF "4*8"
446 #define UB_COEFF "5*8"
447 #define VG_COEFF "6*8"
448 #define UG_COEFF "7*8"
449 #define Y_OFFSET "8*8"
450 #define U_OFFSET "9*8"
451 #define V_OFFSET "10*8"
452 #define LUM_MMX_FILTER_OFFSET "11*8"
453 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)
454 #define DSTW_OFFSET "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2"
455 #define ESP_OFFSET "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2+8"
456 #define VROUNDER_OFFSET "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2+16"
457 #define U_TEMP "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2+24"
458 #define V_TEMP "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2+32"
459 #define Y_TEMP "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2+40"
460 #define ALP_MMX_FILTER_OFFSET "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*2+48"
461 #define UV_OFF_PX "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*3+48"
462 #define UV_OFF_BYTE "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*3+56"
463 #define DITHER16 "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*3+64"
464 #define DITHER32 "11*8+4*4*"AV_STRINGIFY(MAX_FILTER_SIZE)"*3+80"
465 #define DITHER32_INT (11*8+4*4*MAX_FILTER_SIZE*3+80)
499 vector
signed short CY;
500 vector
signed short CRV;
501 vector
signed short CBU;
502 vector
signed short CGU;
503 vector
signed short CGV;
504 vector
signed short OY;
505 vector
unsigned short CSHIFT;
506 vector
signed short *vYCoeffsBank, *vCCoeffsBank;
512 #define XYZ_GAMMA (2.6f)
513 #define RGB_GAMMA (2.2f)
532 int width, uint32_t *pal);
535 int width, uint32_t *pal);
539 int width, uint32_t *pal);
572 int16_t *dst,
int dstWidth,
575 int16_t *dst1, int16_t *dst2,
int dstWidth,
613 const int32_t *filterPos,
int filterSize);
616 const int32_t *filterPos,
int filterSize);
650 return desc->comp[0].depth == 16;
657 return desc->comp[0].depth == 32;
664 return desc->comp[0].depth >= 9 &&
desc->comp[0].depth <= 14;
712 desc->nb_components <= 2 &&
772 return desc->comp[1].depth == 8;
917 int srcStride[],
int srcSliceY,
int srcSliceH,
918 uint8_t *dst[],
int dstStride[]);
921 int alpha,
int bits,
const int big_endian)
927 #define FILL(wfunc) \
928 for (j = 0; j < width; j++) {\
942 int alpha,
int bits,
const int big_endian,
int is_float)
947 uint32_t onef32 = 0x3f800000;
949 v =
alpha ? onef32 : 0;
954 #define FILL(wfunc) \
955 for (j = 0; j < width; j++) {\
969 #define MAX_SLICE_PLANES 4
1057 #define MAX_LINES_AHEAD 4
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Convenience header that includes libavutil's core.
#define flags(name, subs,...)
static av_always_inline void filter(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int len, int clip)
common internal and external API header
static enum AVPixelFormat pix_fmt
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
static const int16_t alpha[]
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
#define AV_PIX_FMT_FLAG_FLOAT
The pixel format contains IEEE-754 floating point values.
#define AV_PIX_FMT_FLAG_HWACCEL
Pixel format is an HW accelerated format.
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.
#define AV_PIX_FMT_FLAG_BE
Pixel format is big-endian.
#define AV_PIX_FMT_FLAG_BAYER
The pixel format is following a Bayer pattern.
#define AV_PIX_FMT_FLAG_PAL
Pixel format has a palette in data[1], values are indexes in this palette.
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
@ AV_PIX_FMT_MONOBLACK
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb.
@ AV_PIX_FMT_BGR565BE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
@ AV_PIX_FMT_RGB555BE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
@ AV_PIX_FMT_BGR48BE
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big...
@ AV_PIX_FMT_RGB48BE
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
@ AV_PIX_FMT_RGBA64BE
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
@ AV_PIX_FMT_RGB8
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
@ AV_PIX_FMT_RGBA64LE
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
@ AV_PIX_FMT_BGR8
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
@ AV_PIX_FMT_RGB444LE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), little-endian, X=unused/undefined
@ AV_PIX_FMT_RGB4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
@ AV_PIX_FMT_BGR4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
@ AV_PIX_FMT_BGRA64BE
packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is st...
@ AV_PIX_FMT_RGB565LE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
@ AV_PIX_FMT_RGB555LE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined
@ AV_PIX_FMT_BGR444BE
packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), big-endian, X=unused/undefined
@ AV_PIX_FMT_RGB48LE
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
@ AV_PIX_FMT_BGR555BE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), big-endian , X=unused/undefined
@ AV_PIX_FMT_BGR444LE
packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), little-endian, X=unused/undefined
@ AV_PIX_FMT_RGB444BE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), big-endian, X=unused/undefined
@ AV_PIX_FMT_BGR48LE
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as lit...
@ AV_PIX_FMT_RGB565BE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
@ AV_PIX_FMT_BGR555LE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), little-endian, X=unused/undefined
@ AV_PIX_FMT_BGRA64LE
packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is st...
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
@ AV_PIX_FMT_BGR565LE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
@ AV_PIX_FMT_RGB4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in ...
@ AV_PIX_FMT_MONOWHITE
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb.
@ AV_PIX_FMT_BGR4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
#define AV_PIX_FMT_RGB32_1
#define AV_PIX_FMT_BGR32_1
static const uint16_t table[]
typedef void(RENAME(mix_any_func_type))
Describe the class of an AVClass context structure.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int warned_unuseable_bilinear
int chrDstW
Width of destination chroma planes.
int32_t chrMmxFilter[4 *MAX_FILTER_SIZE]
int chrSrcH
Height of source chroma planes.
int32_t * hLumFilterPos
Array of horizontal filter starting positions for each dst[i] for luma/alpha planes.
int32_t * vLumFilterPos
Array of vertical filter starting positions for each dst[i] for luma/alpha planes.
int srcFormatBpp
Number of bits per pixel of the source pixel format.
uint8_t * cascaded_tmp[4]
void(* alpToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal)
Unscaled conversion of alpha plane to YV12 for horizontal scaler.
void(* readAlpPlanar)(uint8_t *dst, const uint8_t *src[4], int width, int32_t *rgb2yuv)
int dstW
Width of destination luma/alpha planes.
void(* lumToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal)
Unscaled conversion of luma plane to YV12 for horizontal scaler.
int dstH
Height of destination luma/alpha planes.
int dstY
Last destination vertical line output from last slice.
int16_t * hLumFilter
Array of horizontal filter coefficients for luma/alpha planes.
int srcW
Width of source luma/alpha planes.
uint8_t * chrMmxextFilterCode
Runtime-generated MMXEXT horizontal fast bilinear scaler code for chroma planes.
void(* readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width, int32_t *rgb2yuv)
void(* hyscale_fast)(struct SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc)
Scale one horizontal line of input data using a bilinear filter to produce one line of output data.
int16_t rgb2xyz_matrix[3][4]
int sliceDir
Direction that slices are fed to the scaler (1 = top-to-bottom, -1 = bottom-to-top).
uint8_t * table_rV[256+2 *YUVRGB_TABLE_HEADROOM]
int16_t xyz2rgb_matrix[3][4]
const uint8_t * chrDither8
uint8_t * cascaded1_tmp[4]
ptrdiff_t uv_off
offset (in pixels) between u and v planes
struct SwsFilterDescriptor * desc
int dstRange
0 = MPG YUV range, 1 = JPG YUV range (destination image).
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc....
yuv2packedX_fn yuv2packedX
int vChrDrop
Binary logarithm of extra vertical subsampling factor in source image chroma planes specified by user...
int vChrFilterSize
Vertical filter size for chroma pixels.
double param[2]
Input parameters for scaling algorithms that need them.
SwsFunc swscale
Note that src, dst, srcStride, dstStride will be copied in the sws_scale() wrapper so they can be fre...
int chrDstVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in destination i...
int32_t lumMmxFilter[4 *MAX_FILTER_SIZE]
enum AVPixelFormat dstFormat
Destination pixel format.
const AVClass * av_class
info on struct for av_log
void(* hyScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
Scale one horizontal line of input data using a filter over the input lines, to produce one (differen...
int srcRange
0 = MPG YUV range, 1 = JPG YUV range (source image).
int srcH
Height of source luma/alpha planes.
int chrSrcW
Width of source chroma planes.
int table_gV[256+2 *YUVRGB_TABLE_HEADROOM]
yuv2packed1_fn yuv2packed1
yuv2planarX_fn yuv2planeX
int dstColorspaceTable[4]
int lastInChrBuf
Last scaled horizontal chroma line from source in the ring buffer.
int32_t * vChrFilterPos
Array of vertical filter starting positions for each dst[i] for chroma planes.
void(* lumConvertRange)(int16_t *dst, int width)
Color range conversion function for luma plane if needed.
struct SwsContext * cascaded_context[3]
int srcColorspaceTable[4]
enum AVPixelFormat srcFormat
Source pixel format.
int needs_hcscale
Set if there are chroma planes to be converted.
int lastInLumBuf
Last scaled horizontal luma/alpha line from source in the ring buffer.
int hLumFilterSize
Horizontal filter size for luma/alpha pixels.
uint8_t * table_bU[256+2 *YUVRGB_TABLE_HEADROOM]
void(* chrConvertRange)(int16_t *dst1, int16_t *dst2, int width)
Color range conversion function for chroma planes if needed.
int chrSrcVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in source image.
int32_t alpMmxFilter[4 *MAX_FILTER_SIZE]
ptrdiff_t uv_offx2
offset (in bytes) between u and v planes
uint8_t * formatConvBuffer
int cascaded_tmpStride[4]
yuv2planar1_fn yuv2plane1
int chrSrcHSubSample
Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in source imag...
void(* hcscale_fast)(struct SwsContext *c, int16_t *dst1, int16_t *dst2, int dstWidth, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc)
yuv2packed2_fn yuv2packed2
void(* hcScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
int chrDstHSubSample
Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in destination...
int lumMmxextFilterCodeSize
Runtime-generated MMXEXT horizontal fast bilinear scaler code size for luma/alpha planes.
int hChrFilterSize
Horizontal filter size for chroma pixels.
int16_t * vLumFilter
Array of vertical filter coefficients for luma/alpha planes.
int chrMmxextFilterCodeSize
Runtime-generated MMXEXT horizontal fast bilinear scaler code size for chroma planes.
uint8_t * lumMmxextFilterCode
Runtime-generated MMXEXT horizontal fast bilinear scaler code for luma/alpha planes.
void(* chrToYV12)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal)
Unscaled conversion of chroma planes to YV12 for horizontal scaler.
int vLumFilterSize
Vertical filter size for luma/alpha pixels.
int dstFormatBpp
Number of bits per pixel of the destination pixel format.
yuv2interleavedX_fn yuv2nv12cX
int chrDstH
Height of destination chroma planes.
const uint8_t * lumDither8
void(* readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width, int32_t *rgb2yuv)
Functions to read planar input, such as planar RGB, and convert internally to Y/UV/A.
int32_t input_rgb2yuv_table[16+40 *4]
int16_t * hChrFilter
Array of horizontal filter coefficients for chroma planes.
int32_t * hChrFilterPos
Array of horizontal filter starting positions for each dst[i] for chroma planes.
int cascaded1_tmpStride[4]
int16_t * vChrFilter
Array of vertical filter coefficients for chroma planes.
float uint2float_lut[256]
uint8_t * table_gU[256+2 *YUVRGB_TABLE_HEADROOM]
Struct which holds all necessary data for processing a slice.
SwsSlice * src
Source slice.
void * instance
Filter instance data.
int alpha
Flag for processing alpha channel.
SwsSlice * dst
Output slice.
int(* process)(SwsContext *c, struct SwsFilterDescriptor *desc, int sliceY, int sliceH)
Function for processing input slice sliceH lines starting from line sliceY.
int available_lines
max number of lines that can be hold by this plane
uint8_t ** tmp
Tmp line buffer used by mmx code.
int sliceY
index of first line
int sliceH
number of lines
uint8_t ** line
line buffer
Struct which defines a slice of an image to be scaled or an output for a scaled slice.
int is_ring
flag to identify if this slice is a ring buffer
enum AVPixelFormat fmt
planes pixel format
SwsPlane plane[MAX_SLICE_PLANES]
color planes
int h_chr_sub_sample
horizontal chroma subsampling factor
int should_free_lines
flag to identify if there are dynamic allocated lines
int width
Slice line width.
int v_chr_sub_sample
vertical chroma subsampling factor
#define YUVRGB_TABLE_HEADROOM
void ff_sws_init_swscale_x86(SwsContext *c)
static av_always_inline int isBGRinInt(enum AVPixelFormat pix_fmt)
int ff_init_slice_from_src(SwsSlice *s, uint8_t *src[4], int stride[4], int srcW, int lumY, int lumH, int chrY, int chrH, int relative)
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...
struct SwsContext * sws_alloc_set_opts(int srcW, int srcH, enum AVPixelFormat srcFormat, int dstW, int dstH, enum AVPixelFormat dstFormat, int flags, const double *param)
Allocate and return an SwsContext.
int(* SwsFunc)(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
const uint8_t ff_dither_8x8_32[9][8]
const uint8_t ff_dither_8x8_128[9][8]
static av_always_inline int isBayer(enum AVPixelFormat pix_fmt)
int ff_init_desc_cfmt_convert(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint32_t *pal)
initializes chr pixel format conversion descriptor
static void fillPlane16(uint8_t *plane, int stride, int width, int height, int y, int alpha, int bits, const int big_endian)
const uint8_t ff_dither_8x8_220[9][8]
int ff_init_vscale(SwsContext *c, SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst)
initializes vertical scaling descriptors
const uint64_t ff_dither4[2]
void ff_sws_init_swscale_vsx(SwsContext *c)
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
int ff_init_hscaler_mmxext(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits)
static av_always_inline int isFloat(enum AVPixelFormat pix_fmt)
static av_always_inline int isPlanarYUV(enum AVPixelFormat pix_fmt)
void ff_get_unscaled_swscale_aarch64(SwsContext *c)
const uint8_t ff_dither_2x2_4[3][8]
int ff_init_desc_hscale(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint16_t *filter, int *filter_pos, int filter_size, int xInc)
initializes lum horizontal scaling descriptor
int ff_rotate_slice(SwsSlice *s, int lum, int chr)
static av_always_inline int isAnyRGB(enum AVPixelFormat pix_fmt)
int ff_free_filters(SwsContext *c)
int ff_init_gamma_convert(SwsFilterDescriptor *desc, SwsSlice *src, uint16_t *table)
initializes gamma conversion descriptor
void ff_get_unscaled_swscale(SwsContext *c)
Set c->swscale to an unscaled converter if one exists for the specific source and destination formats...
static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
static av_always_inline int usePal(enum AVPixelFormat pix_fmt)
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 (...
static av_always_inline int isGray(enum AVPixelFormat pix_fmt)
int ff_init_desc_fmt_convert(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint32_t *pal)
initializes lum pixel format conversion descriptor
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
av_cold void ff_sws_init_range_convert(SwsContext *c)
SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)
const AVClass ff_sws_context_class
void ff_hcscale_fast_c(SwsContext *c, int16_t *dst1, int16_t *dst2, int dstWidth, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc)
void ff_get_unscaled_swscale_ppc(SwsContext *c)
void ff_sws_init_swscale_aarch64(SwsContext *c)
@ SWS_ALPHA_BLEND_UNIFORM
@ SWS_ALPHA_BLEND_CHECKERBOARD
const uint64_t ff_dither8[2]
void ff_init_vscale_pfn(SwsContext *c, yuv2planar1_fn yuv2plane1, yuv2planarX_fn yuv2planeX, yuv2interleavedX_fn yuv2nv12cX, yuv2packed1_fn yuv2packed1, yuv2packed2_fn yuv2packed2, yuv2packedX_fn yuv2packedX, yuv2anyX_fn yuv2anyX, int use_mmx)
setup vertical scaler functions
static av_always_inline int isPacked(enum AVPixelFormat pix_fmt)
int ff_init_filters(SwsContext *c)
void ff_sws_init_swscale_ppc(SwsContext *c)
const uint8_t ff_dither_4x4_16[5][8]
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, yuv2anyX_fn *yuv2anyX)
void ff_get_unscaled_swscale_arm(SwsContext *c)
static av_always_inline int isSemiPlanarYUV(enum AVPixelFormat pix_fmt)
int ff_init_desc_chscale(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint16_t *filter, int *filter_pos, int filter_size, int xInc)
initializes chr horizontal scaling descriptor
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 v...
const uint8_t ff_dither_8x8_73[9][8]
static av_always_inline int isRGBinInt(enum AVPixelFormat pix_fmt)
static void fillPlane32(uint8_t *plane, int stride, int width, int height, int y, int alpha, int bits, const int big_endian, int is_float)
int ff_init_desc_no_chr(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst)
static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
void ff_yuv2rgb_init_tables_ppc(SwsContext *c, const int inv_table[4], int brightness, int contrast, int saturation)
int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
void ff_hyscale_fast_c(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc)
void ff_sws_init_swscale_arm(SwsContext *c)
void(* yuv2anyX_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 YUV/RGB output by doing multi-point vertical scaling...
static av_always_inline int isPackedRGB(enum AVPixelFormat pix_fmt)
void(* yuv2interleavedX_fn)(enum AVPixelFormat dstFormat, const uint8_t *chrDither, 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 ...
void ff_updateMMXDitherTables(SwsContext *c, int dstY)
void ff_hyscale_fast_mmxext(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc)
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
const uint8_t ff_dither_2x2_8[3][8]
void ff_hcscale_fast_mmxext(SwsContext *c, int16_t *dst1, int16_t *dst2, int dstWidth, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc)
void ff_sws_init_input_funcs(SwsContext *c)
static av_always_inline int isPlanarRGB(enum AVPixelFormat pix_fmt)
static av_always_inline int isBayer16BPS(enum AVPixelFormat pix_fmt)
SwsFunc ff_getSwsFunc(SwsContext *c)
Return function pointer to fastest main scaler path function depending on architecture and available ...
static av_always_inline int is32BPS(enum AVPixelFormat pix_fmt)
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 ver...
SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
static av_always_inline int isNBPS(enum AVPixelFormat pix_fmt)
int ff_sws_alphablendaway(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
const int32_t ff_yuv2rgb_coeffs[11][4]
static av_always_inline int isYUV(enum AVPixelFormat pix_fmt)
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 scalin...
static void FUNC() yuv2planeX(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Contains misc utility macros and inline functions.
static double lum(void *priv, double x, double y, int plane)
static const uint8_t dither[8][8]
static const uint8_t offset[127][2]