libavcodec/x86/mpegvideo_mmx_template.c File Reference

Go to the source code of this file.

Defines
#define	MMREG_WIDTH   "16"
#define	MM   "%%xmm"
#define	MOVQ   "movdqa"
#define	SPREADW(a)
#define	PMAXW(a, b)   "pmaxsw "a", "b" \n\t"
#define	PMAX(a, b)
#define	SAVE_SIGN(a, b)
#define	RESTORE_SIGN(a, b)
Functions
static int	dct_quantize_SSE2 (MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow)

---

Define Documentation

#define MM   "%%xmm"

Definition at line 34 of file mpegvideo_mmx_template.c.

Referenced by av_register_all(), and dct_quantize_SSE2().

#define MMREG_WIDTH   "16"

Definition at line 33 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_SSE2().

#define MOVQ   "movdqa"

Definition at line 35 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_SSE2().

#define PMAX	(	a,
		b		)

Value:

"movhlps "a", "b"           \n\t"\
            PMAXW(b, a)\
            "pshuflw $0x0E, "a", "b"    \n\t"\
            PMAXW(b, a)\
            "pshuflw $0x01, "a", "b"    \n\t"\
            PMAXW(b, a)

Definition at line 40 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_SSE2().

#define PMAXW	(	a,
		b		)	"pmaxsw "a", "b" \n\t"

Definition at line 39 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_SSE2().

#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_SSE2().

#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_SSE2().

#define SPREADW

(

a

)

Value:

"pshuflw $0, "a", "a"       \n\t"\
            "punpcklwd "a", "a"         \n\t"

Definition at line 36 of file mpegvideo_mmx_template.c.

Referenced by dct_quantize_SSE2().

---

Function Documentation

static int dct_quantize_SSE2	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int *	overflow
	)			[static]

Definition at line 94 of file mpegvideo_mmx_template.c.

Referenced by MPV_common_init_mmx().