vp8_idct_msa.c File Reference

#include <string.h>
#include "libavcodec/vp8dsp.h"
#include "libavutil/mips/generic_macros_msa.h"
#include "vp8dsp_mips.h"

Go to the source code of this file.

Macros
#define	VP8_IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3)

Functions
void	ff_vp8_idct_add_msa (uint8_t *dst, int16_t input[16], ptrdiff_t stride)
void	ff_vp8_idct_dc_add_msa (uint8_t *dst, int16_t in_dc[16], ptrdiff_t stride)
void	ff_vp8_luma_dc_wht_msa (int16_t block[4][4][16], int16_t input[16])
void	ff_vp8_idct_dc_add4y_msa (uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)
void	ff_vp8_idct_dc_add4uv_msa (uint8_t *dst, int16_t block[4][16], ptrdiff_t stride)

Variables
static const int	cospi8sqrt2minus1 = 20091
static const int	sinpi8sqrt2 = 35468

Macro Definition Documentation

#define VP8_IDCT_1D_W	(		in0,
			in1,
			in2,
			in3,
			out0,
			out1,
			out2,
			out3
	)

Value:

{                                                                    \
    v4i32 a1_m, b1_m, c1_m, d1_m;                                    \
    v4i32 c_tmp1_m, c_tmp2_m, d_tmp1_m, d_tmp2_m;                    \
    v4i32 const_cospi8sqrt2minus1_m, sinpi8_sqrt2_m;                 \
                                                                     \
    const_cospi8sqrt2minus1_m = __msa_fill_w(cospi8sqrt2minus1);     \
    sinpi8_sqrt2_m = __msa_fill_w(sinpi8sqrt2);                      \
    a1_m = in0 + in2;                                                \
    b1_m = in0 - in2;                                                \
    c_tmp1_m = ((in1) * sinpi8_sqrt2_m) >> 16;                       \
    c_tmp2_m = in3 + (((in3) * const_cospi8sqrt2minus1_m) >> 16);    \
    c1_m = c_tmp1_m - c_tmp2_m;                                      \
    d_tmp1_m = (in1) + (((in1) * const_cospi8sqrt2minus1_m) >> 16);  \
    d_tmp2_m = ((in3) * sinpi8_sqrt2_m) >> 16;                       \
    d1_m = d_tmp1_m + d_tmp2_m;                                      \
    BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3);     \
}

Definition at line 29 of file vp8_idct_msa.c.

Referenced by ff_vp8_idct_add_msa().

Function Documentation

void ff_vp8_idct_add_msa	(	uint8_t *	dst,
		int16_t	input[16],
		ptrdiff_t	stride
	)

Definition at line 48 of file vp8_idct_msa.c.

void ff_vp8_idct_dc_add_msa	(	uint8_t *	dst,
		int16_t	in_dc[16],
		ptrdiff_t	stride
	)

Definition at line 84 of file vp8_idct_msa.c.

Referenced by ff_vp8_idct_dc_add4uv_msa(), and ff_vp8_idct_dc_add4y_msa().

void ff_vp8_luma_dc_wht_msa	(	int16_t	block[4][4][16],
		int16_t	input[16]
	)

Definition at line 105 of file vp8_idct_msa.c.

void ff_vp8_idct_dc_add4y_msa	(	uint8_t *	dst,
		int16_t	block[4][16],
		ptrdiff_t	stride
	)

Definition at line 144 of file vp8_idct_msa.c.

void ff_vp8_idct_dc_add4uv_msa	(	uint8_t *	dst,
		int16_t	block[4][16],
		ptrdiff_t	stride
	)

Definition at line 153 of file vp8_idct_msa.c.

Variable Documentation

const int cospi8sqrt2minus1 = 20091

static

Definition at line 26 of file vp8_idct_msa.c.

const int sinpi8sqrt2 = 35468

static

Definition at line 27 of file vp8_idct_msa.c.