swscale.c File Reference

#include <inttypes.h>
#include "config.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavutil/cpu.h"
#include "libavutil/pixdesc.h"

Go to the source code of this file.

Macros
#define	SCALE_FUNC(filter_n, from_bpc, to_bpc, opt)
#define	SCALE_FUNCS(filter_n, opt)
#define	SCALE_FUNCS_MMX(opt)
#define	SCALE_FUNCS_SSE(opt)
#define	VSCALEX_FUNC(size, opt)
#define	VSCALEX_FUNCS(opt)
#define	VSCALE_FUNC(size, opt)
#define	VSCALE_FUNCS(opt1, opt2)
#define	INPUT_Y_FUNC(fmt, opt)
#define	INPUT_UV_FUNC(fmt, opt)
#define	INPUT_FUNC(fmt, opt)
#define	INPUT_FUNCS(opt)
#define	ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2)
#define	ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)
#define	ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit)
#define	ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk)
#define	case_rgb(x, X, opt)
#define	ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)

Functions
	SCALE_FUNCS_SSE (sse2)
	SCALE_FUNCS_SSE (ssse3)
	SCALE_FUNCS_SSE (sse4)
	VSCALEX_FUNCS (sse2)
	VSCALEX_FUNCS (sse4)
	VSCALEX_FUNC (16, sse4)
	VSCALEX_FUNCS (avx)
	VSCALE_FUNCS (sse2, sse2)
	VSCALE_FUNC (16, sse4)
	VSCALE_FUNCS (avx, avx)
	INPUT_FUNCS (sse2)
	INPUT_FUNCS (ssse3)
	INPUT_FUNCS (avx)
av_cold void	ff_sws_init_swscale_x86 (SwsContext *c)

Macro Definition Documentation

#define SCALE_FUNC	(		filter_n,
			from_bpc,
			to_bpc,
			opt
	)

Value:

void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
                                                SwsContext *c, int16_t *data, \
                                                int dstW, const uint8_t *src, \
                                                const int16_t *filter, \
                                                const int32_t *filterPos, int filterSize)

Definition at line 274 of file swscale.c.

#define SCALE_FUNCS	(		filter_n,
			opt
	)

Value:

SCALE_FUNC(filter_n,  8, 15, opt); \
    SCALE_FUNC(filter_n,  9, 15, opt); \
    SCALE_FUNC(filter_n, 10, 15, opt); \
    SCALE_FUNC(filter_n, 12, 15, opt); \
    SCALE_FUNC(filter_n, 14, 15, opt); \
    SCALE_FUNC(filter_n, 16, 15, opt); \
    SCALE_FUNC(filter_n,  8, 19, opt); \
    SCALE_FUNC(filter_n,  9, 19, opt); \
    SCALE_FUNC(filter_n, 10, 19, opt); \
    SCALE_FUNC(filter_n, 12, 19, opt); \
    SCALE_FUNC(filter_n, 14, 19, opt); \
    SCALE_FUNC(filter_n, 16, 19, opt)

Definition at line 281 of file swscale.c.

#define SCALE_FUNCS_MMX

(

opt

)

Value:

SCALE_FUNCS(4, opt); \
    SCALE_FUNCS(8, opt); \
    SCALE_FUNCS(X, opt)

Definition at line 295 of file swscale.c.

#define SCALE_FUNCS_SSE

(

opt

)

Value:

SCALE_FUNCS(4, opt); \
    SCALE_FUNCS(8, opt); \
    SCALE_FUNCS(X4, opt); \
    SCALE_FUNCS(X8, opt)

Definition at line 300 of file swscale.c.

#define VSCALEX_FUNC	(		size,
			opt
	)

Value:

void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
                                        const int16_t **src, uint8_t *dest, int dstW, \
                                        const uint8_t *dither, int offset)

Definition at line 313 of file swscale.c.

#define VSCALEX_FUNCS

(

opt

)

Value:

VSCALEX_FUNC(8,  opt); \
    VSCALEX_FUNC(9,  opt); \
    VSCALEX_FUNC(10, opt)

Definition at line 317 of file swscale.c.

#define VSCALE_FUNC	(		size,
			opt
	)

Value:

void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
                                        const uint8_t *dither, int offset)

Definition at line 330 of file swscale.c.

#define VSCALE_FUNCS	(		opt1,
			opt2
	)

Value:

VSCALE_FUNC(8,  opt1); \
    VSCALE_FUNC(9,  opt2); \
    VSCALE_FUNC(10, opt2); \
    VSCALE_FUNC(16, opt1)

Definition at line 333 of file swscale.c.

#define INPUT_Y_FUNC	(		fmt,
			opt
	)

Value:

void ff_ ## fmt ## ToY_  ## opt(uint8_t *dst, const uint8_t *src, \
                                const uint8_t *unused1, const uint8_t *unused2, \
                                int w, uint32_t *unused)

Definition at line 346 of file swscale.c.

#define INPUT_UV_FUNC	(		fmt,
			opt
	)

Value:

void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
                                const uint8_t *unused0, \
                                const uint8_t *src1, \
                                const uint8_t *src2, \
                                int w, uint32_t *unused)

Definition at line 350 of file swscale.c.

#define INPUT_FUNC	(		fmt,
			opt
	)

Value:

INPUT_Y_FUNC(fmt, opt); \
    INPUT_UV_FUNC(fmt, opt)

Definition at line 356 of file swscale.c.

#define INPUT_FUNCS

(

opt

)

Value:

INPUT_FUNC(uyvy, opt); \
    INPUT_FUNC(yuyv, opt); \
    INPUT_UV_FUNC(nv12, opt); \
    INPUT_UV_FUNC(nv21, opt); \
    INPUT_FUNC(rgba, opt); \
    INPUT_FUNC(bgra, opt); \
    INPUT_FUNC(argb, opt); \
    INPUT_FUNC(abgr, opt); \
    INPUT_FUNC(rgb24, opt); \
    INPUT_FUNC(bgr24, opt)

Definition at line 359 of file swscale.c.

#define ASSIGN_SCALE_FUNC2	(		hscalefn,
			filtersize,
			opt1,
			opt2
	)

Value:

do { \
    if (c->srcBpc == 8) { \
        hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
                                     ff_hscale8to19_ ## filtersize ## _ ## opt1; \
    } else if (c->srcBpc == 9) { \
        hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
                                     ff_hscale9to19_ ## filtersize ## _ ## opt1; \
    } else if (c->srcBpc == 10) { \
        hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
                                     ff_hscale10to19_ ## filtersize ## _ ## opt1; \
    } else if (c->srcBpc == 12) { \
        hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
                                     ff_hscale12to19_ ## filtersize ## _ ## opt1; \
    } else if (c->srcBpc == 14 || ((c->srcFormat==AV_PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_desc_get(c->srcFormat)->comp[0].depth_minus1<15)) { \
        hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
                                     ff_hscale14to19_ ## filtersize ## _ ## opt1; \
    } else { /* c->srcBpc == 16 */ \
        av_assert0(c->srcBpc == 16);\
        hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
                                     ff_hscale16to19_ ## filtersize ## _ ## opt1; \
    } \
} while (0)

#define ASSIGN_MMX_SCALE_FUNC	(		hscalefn,
			filtersize,
			opt1,
			opt2
	)

Value:

switch (filtersize) { \
    case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
    case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
    default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
    }

Referenced by ff_sws_init_swscale_x86().

#define ASSIGN_VSCALEX_FUNC	(		vscalefn,
			opt,
			do_16_case,
			condition_8bit
	)

Value:

switch(c->dstBpc){ \
    case 16:                          do_16_case;                          break; \
    case 10: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
    case 9:  if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_  ## opt; break; \
    default: if (condition_8bit)    /*vscalefn = ff_yuv2planeX_8_  ## opt;*/ break; \
    }

Referenced by ff_sws_init_swscale_x86().

#define ASSIGN_VSCALE_FUNC	(		vscalefn,
			opt1,
			opt2,
			opt2chk
	)

Value:

switch(c->dstBpc){ \
    case 16: if (!isBE(c->dstFormat))            vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
    case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
    case 9:  if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_  ## opt2;  break; \
    case 8:                                      vscalefn = ff_yuv2plane1_8_  ## opt1;  break; \
    default: av_assert0(c->dstBpc>8); \
    }

Referenced by ff_sws_init_swscale_x86().

#define case_rgb	(		x,
			X,
			opt
	)

Value:

case AV_PIX_FMT_ ## X: \
            c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
            if (!c->chrSrcHSubSample) \
                c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
            break

Referenced by ff_sws_init_swscale_x86().

#define ASSIGN_SSE_SCALE_FUNC	(		hscalefn,
			filtersize,
			opt1,
			opt2
	)

Value:

switch (filtersize) { \
    case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
    case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
    default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
             else                ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
             break; \
    }

Referenced by ff_sws_init_swscale_x86().

Function Documentation

SCALE_FUNCS_SSE

(

sse2

)

SCALE_FUNCS_SSE

(

ssse3

)

SCALE_FUNCS_SSE

(

sse4

)

VSCALEX_FUNCS

(

sse2

)

VSCALEX_FUNCS

(

sse4

)

VSCALEX_FUNC	(	16	,
		sse4
	)

VSCALEX_FUNCS

(

avx

)

VSCALE_FUNCS	(	sse2	,
		sse2
	)

VSCALE_FUNC	(	16	,
		sse4
	)

VSCALE_FUNCS	(	avx	,
		avx
	)

INPUT_FUNCS

(

sse2

)

INPUT_FUNCS

(

ssse3

)

INPUT_FUNCS

(

avx

)

av_cold void ff_sws_init_swscale_x86

(

SwsContext *

c

)

Definition at line 378 of file swscale.c.

Referenced by ff_getSwsFunc().