h264_intrapred_lasx.c File Reference

#include "libavutil/loongarch/loongson_intrinsics.h"
#include "h264_intrapred_lasx.h"

Go to the source code of this file.

Macros
#define	PRED16X16_PLANE
#define	PRED16X16_PLANE_END

Functions
void	ff_h264_pred16x16_plane_h264_8_lasx (uint8_t *src, ptrdiff_t stride)
void	ff_h264_pred16x16_plane_rv40_8_lasx (uint8_t *src, ptrdiff_t stride)
void	ff_h264_pred16x16_plane_svq3_8_lasx (uint8_t *src, ptrdiff_t stride)

Macro Definition Documentation

PRED16X16_PLANE

#define PRED16X16_PLANE

Definition at line 25 of file h264_intrapred_lasx.c.

PRED16X16_PLANE_END

#define PRED16X16_PLANE_END

Value:

    res2 = (src0[stride_15] + src[15 - stride] + 1) << 4;                      \
    res3 = 7 * (res0 + res1);                                                  \
    res2 -= res3;                                                              \
    reg0 = __lasx_xvreplgr2vr_w(res0);                                         \
    reg1 = __lasx_xvreplgr2vr_w(res1);                                         \
    reg2 = __lasx_xvreplgr2vr_w(res2);                                         \
    reg3 = __lasx_xvmul_w(reg0, int_mult1);                                    \
    reg4 = __lasx_xvslli_w(reg0, 3);                                           \
    reg4 = __lasx_xvadd_w(reg4, reg3);                                         \
    for (cnt = 8; cnt--;) {                                                    \
        tmp0 = __lasx_xvadd_w(reg2, reg3);                                     \
        tmp1 = __lasx_xvadd_w(reg2, reg4);                                     \
        tmp0 = __lasx_xvssrani_hu_w(tmp1, tmp0, 5);                            \
        tmp0 = __lasx_xvpermi_d(tmp0, 0xD8);                                   \
        reg2 = __lasx_xvadd_w(reg2, reg1);                                     \
        tmp2 = __lasx_xvadd_w(reg2, reg3);                                     \
        tmp3 = __lasx_xvadd_w(reg2, reg4);                                     \
        tmp1 = __lasx_xvssrani_hu_w(tmp3, tmp2, 5);                            \
        tmp1 = __lasx_xvpermi_d(tmp1, 0xD8);                                   \
        tmp0 = __lasx_xvssrani_bu_h(tmp1, tmp0, 0);                            \
        reg2 = __lasx_xvadd_w(reg2, reg1);                                     \
        __lasx_xvstelm_d(tmp0, src, 0, 0);                                     \
        __lasx_xvstelm_d(tmp0, src, 8, 2);                                     \
        src += stride;                                                         \
        __lasx_xvstelm_d(tmp0, src, 0, 1);                                     \
        __lasx_xvstelm_d(tmp0, src, 8, 3);                                     \
        src += stride;                                                         \
    }

Definition at line 67 of file h264_intrapred_lasx.c.

Function Documentation

ff_h264_pred16x16_plane_h264_8_lasx()

void ff_h264_pred16x16_plane_h264_8_lasx	(	uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 98 of file h264_intrapred_lasx.c.

Referenced by ff_h264_pred_init_loongarch().

ff_h264_pred16x16_plane_rv40_8_lasx()

void ff_h264_pred16x16_plane_rv40_8_lasx	(	uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 106 of file h264_intrapred_lasx.c.

Referenced by ff_h264_pred_init_loongarch().

ff_h264_pred16x16_plane_svq3_8_lasx()

void ff_h264_pred16x16_plane_svq3_8_lasx	(	uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 114 of file h264_intrapred_lasx.c.

Referenced by ff_h264_pred_init_loongarch().