mpegvideoenc_template.c File Reference

#include <stdint.h>
#include "libavutil/internal.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/mpegutils.h"
#include "libavcodec/mpegvideo.h"
#include "fdct.h"

Go to the source code of this file.

Macros
#define	MMREG_WIDTH   "8"
#define	MM   "%%mm"
#define	MOVQ   "movq"
#define	SPREADW(a)
#define	PMAXW(a, b)
#define	PMAX(a, b)
#define	SAVE_SIGN(a, b)
#define	RESTORE_SIGN(a, b)

Functions
static int	dct_quantize_TMPL (MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow)

Macro Definition Documentation

MMREG_WIDTH

#define MMREG_WIDTH   "8"

Definition at line 56 of file mpegvideoenc_template.c.

MM

#define MM   "%%mm"

Definition at line 57 of file mpegvideoenc_template.c.

MOVQ

#define MOVQ   "movq"

Definition at line 58 of file mpegvideoenc_template.c.

SPREADW

#define SPREADW

(

a

)

Value:

            "punpcklwd "a", "a"         \n\t"\
            "punpcklwd "a", "a"         \n\t"

Definition at line 68 of file mpegvideoenc_template.c.

PMAXW

#define PMAXW	(		a,
			b
	)

Value:

            "psubusw "a", "b"           \n\t"\
            "paddw "a", "b"             \n\t"

Definition at line 71 of file mpegvideoenc_template.c.

PMAX

#define PMAX	(		a,
			b
	)

Value:

            "movq "a", "b"              \n\t"\
            "psrlq $32, "a"             \n\t"\
            PMAXW(b, a)\
            "movq "a", "b"              \n\t"\
            "psrlq $16, "a"             \n\t"\
            PMAXW(b, a)

Definition at line 74 of file mpegvideoenc_template.c.

SAVE_SIGN

#define SAVE_SIGN	(		a,
			b
	)

Value:

            "pxor "a", "a"              \n\t"\
            "pcmpgtw "b", "a"           \n\t" /* block[i] <= 0 ? 0xFF : 0x00 */\
            "pxor "a", "b"              \n\t"\
            "psubw "a", "b"             \n\t" /* ABS(block[i]) */

Definition at line 92 of file mpegvideoenc_template.c.

RESTORE_SIGN

#define RESTORE_SIGN	(		a,
			b
	)

Value:

            "pxor "a", "b"              \n\t"\
            "psubw "a", "b"             \n\t"

Definition at line 97 of file mpegvideoenc_template.c.

Function Documentation

dct_quantize_TMPL()

static int dct_quantize_TMPL ( MpegEncContext *  s, int16_t *  block, int  n, int  qscale, int *  overflow  )

static

Definition at line 102 of file mpegvideoenc_template.c.