libavcodec/x86/vp3dsp_sse2.c File Reference

SSE2-optimized functions cribbed from the original VP3 source code. More...

#include "libavcodec/dsputil.h"
#include "dsputil_mmx.h"

Go to the source code of this file.

Defines
#define	VP3_1D_IDCT_SSE2(ADD, SHIFT)
#define	PUT_BLOCK(r0, r1, r2, r3, r4, r5, r6, r7)
#define	NOP(xmm)
#define	SHIFT4(xmm)   "psraw $4, "#xmm"\n\t"
#define	ADD8(xmm)   "paddsw %2, "#xmm"\n\t"
#define	I(x)   AV_STRINGIFY(16*x)"(%0)"
#define	O(x)   I(x)
#define	C(x)   AV_STRINGIFY(16*(x-1))"(%1)"
Functions
	DECLARE_ALIGNED_16 (const uint16_t, ff_vp3_idct_data[7 *8])
void	ff_vp3_idct_sse2 (int16_t *input_data)
void	ff_vp3_idct_put_sse2 (uint8_t *dest, int line_size, DCTELEM *block)
void	ff_vp3_idct_add_sse2 (uint8_t *dest, int line_size, DCTELEM *block)

---

Detailed Description

SSE2-optimized functions cribbed from the original VP3 source code.

Definition in file vp3dsp_sse2.c.

---

Define Documentation

#define ADD8

(

xmm

)

"paddsw %2, "#xmm"\n\t"

Definition at line 156 of file vp3dsp_sse2.c.

Referenced by ff_vp3_idct_sse2().

#define C

(

x

)

AV_STRINGIFY(16*(x-1))"(%1)"

#define I

(

x

)

AV_STRINGIFY(16*x)"(%0)"

#define NOP

(

xmm

)

Definition at line 154 of file vp3dsp_sse2.c.

Referenced by ff_vp3_idct_sse2().

#define O

(

x

)

I(x)

#define PUT_BLOCK	(	r0,
		r1,
		r2,
		r3,
		r4,
		r5,
		r6,
		r7		)

Value:

"movdqa " #r0 ", " O(0) "\n\t" \
    "movdqa " #r1 ", " O(1) "\n\t" \
    "movdqa " #r2 ", " O(2) "\n\t" \
    "movdqa " #r3 ", " O(3) "\n\t" \
    "movdqa " #r4 ", " O(4) "\n\t" \
    "movdqa " #r5 ", " O(5) "\n\t" \
    "movdqa " #r6 ", " O(6) "\n\t" \
    "movdqa " #r7 ", " O(7) "\n\t"

Definition at line 144 of file vp3dsp_sse2.c.

Referenced by ff_vp3_idct_sse2().

#define SHIFT4

(

xmm

)

"psraw $4, "#xmm"\n\t"

Definition at line 155 of file vp3dsp_sse2.c.

Referenced by ff_vp3_idct_sse2().

#define VP3_1D_IDCT_SSE2	(	ADD,
		SHIFT		)

Definition at line 41 of file vp3dsp_sse2.c.

Referenced by ff_vp3_idct_sse2().

---

Function Documentation

DECLARE_ALIGNED_16	(	const	uint16_t,
		ff_vp3_idct_data	[7 *8]
	)

void ff_vp3_idct_add_sse2	(	uint8_t *	dest,
		int	line_size,
		DCTELEM *	block
	)

Definition at line 182 of file vp3dsp_sse2.c.

Referenced by dsputil_init_mmx().

void ff_vp3_idct_put_sse2	(	uint8_t *	dest,
		int	line_size,
		DCTELEM *	block
	)

Definition at line 176 of file vp3dsp_sse2.c.

Referenced by dsputil_init_mmx().

void ff_vp3_idct_sse2

(

int16_t *

input_data

)

Definition at line 158 of file vp3dsp_sse2.c.

Referenced by dsputil_init_mmx(), ff_vp3_idct_add_sse2(), and ff_vp3_idct_put_sse2().