libavcodec/x86/mpegvideo_mmx_template.c File Reference

Go to the source code of this file.

Defines
#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, DCTELEM *block, int n, int qscale, int *overflow)

---

Define Documentation

#define MM   "%%mm"

Definition at line 49 of file mpegvideo_mmx_template.c.

Referenced by av_register_all(), and dct_quantize_TMPL().

#define MMREG_WIDTH   "8"

Definition at line 48 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

#define MOVQ   "movq"

Definition at line 50 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

#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 66 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

#define PMAXW	(	a,
		b		)

Value:

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

Definition at line 63 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

#define RESTORE_SIGN	(	a,
		b		)

Value:

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

Definition at line 89 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

#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"

Definition at line 84 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

#define SPREADW

(

a

)

Value:

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

Definition at line 60 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_TMPL().

---

Function Documentation

static int dct_quantize_TMPL	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int *	overflow
	)			[static]

Definition at line 94 of file mpegvideo_mmx_template.c.