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

Macros
#define	HEVC_IDCT4x4_COL(in_r0, in_l0, in_r1, in_l1, sum0, sum1, sum2, sum3, shift)

#define	HEVC_IDCT8x8_COL(in0, in1, in2, in3, in4, in5, in6, in7, shift)

#define	HEVC_IDCT16x16_COL(src0_r, src1_r, src2_r, src3_r, src4_r, src5_r, src6_r, src7_r, src0_l, src1_l, src2_l, src3_l, src4_l, src5_l, src6_l, src7_l, shift)

#define	HEVC_EVEN16_CALC(input, sum0_r, sum0_l, load_idx, store_idx)

#define	HEVC_IDCT_LUMA4x4_COL(in_r0, in_l0, in_r1, in_l1, res0, res1, res2, res3, shift)

Functions
void	ff_hevc_idct_4x4_lsx (int16_t *coeffs, int col_limit)

void	ff_hevc_idct_8x8_lsx (int16_t *coeffs, int col_limit)

void	ff_hevc_idct_16x16_lsx (int16_t *coeffs, int col_limit)

static void	hevc_idct_8x32_column_lsx (int16_t *coeffs, int32_t buf_pitch, uint8_t round)

static void	hevc_idct_transpose_32x8_to_8x32 (int16_t coeffs, int16_t tmp_buf)

static void	hevc_idct_transpose_8x32_to_32x8 (int16_t tmp_buf, int16_t coeffs)

void	ff_hevc_idct_32x32_lsx (int16_t *coeffs, int col_limit)

Variables
const int16_t	gt8x8_cnst [16]

const int16_t	gt16x16_cnst [64]

const int16_t	gt32x32_cnst0 [256]

const int16_t	gt32x32_cnst1 [64]

const int16_t	gt32x32_cnst2 [16]

Macro Definition Documentation

◆ HEVC_IDCT4x4_COL

#define HEVC_IDCT4x4_COL	(	in_r0,
		in_l0,
		in_r1,
		in_l1,
		sum0,
		sum1,
		sum2,
		sum3,
		shift
	)

Definition at line 67 of file hevc_idct_lsx.c.

◆ HEVC_IDCT8x8_COL

#define HEVC_IDCT8x8_COL	(	in0,
		in1,
		in2,
		in3,
		in4,
		in5,
		in6,
		in7,
		shift
	)

Definition at line 101 of file hevc_idct_lsx.c.

◆ HEVC_IDCT16x16_COL

#define HEVC_IDCT16x16_COL	(	src0_r,
		src1_r,
		src2_r,
		src3_r,
		src4_r,
		src5_r,
		src6_r,
		src7_r,
		src0_l,
		src1_l,
		src2_l,
		src3_l,
		src4_l,
		src5_l,
		src6_l,
		src7_l,
		shift
	)

Definition at line 195 of file hevc_idct_lsx.c.

◆ HEVC_EVEN16_CALC

#define HEVC_EVEN16_CALC	(	input,
		sum0_r,
		sum0_l,
		load_idx,
		store_idx
	)

Value:

{                                                                     \
    tmp0_r = __lsx_vld(input + load_idx * 8, 0);                      \
    tmp0_l = __lsx_vld(input + load_idx * 8, 16);                     \
    tmp1_r = sum0_r;                                                  \
    tmp1_l = sum0_l;                                                  \
    sum0_r = __lsx_vadd_w(sum0_r, tmp0_r);                            \
    sum0_l = __lsx_vadd_w(sum0_l, tmp0_l);                            \
    __lsx_vst(sum0_r, (input + load_idx * 8), 0);                     \
    __lsx_vst(sum0_l, (input + load_idx * 8), 16);                    \
    tmp1_r = __lsx_vsub_w(tmp1_r, tmp0_r);                            \
    tmp1_l = __lsx_vsub_w(tmp1_l, tmp0_l);                            \
    __lsx_vst(tmp1_r, (input + store_idx * 8), 0);                    \
    __lsx_vst(tmp1_l, (input + store_idx * 8), 16);                   \
}

Definition at line 277 of file hevc_idct_lsx.c.

◆ HEVC_IDCT_LUMA4x4_COL

#define HEVC_IDCT_LUMA4x4_COL	(	in_r0,
		in_l0,
		in_r1,
		in_l1,
		res0,
		res1,
		res2,
		res3,
		shift
	)

Definition at line 293 of file hevc_idct_lsx.c.

Function Documentation

◆ ff_hevc_idct_4x4_lsx()

void ff_hevc_idct_4x4_lsx	(	int16_t *	coeffs,
		int	col_limit
	)

Definition at line 330 of file hevc_idct_lsx.c.

Referenced by ff_hevc_dsp_init_loongarch().

◆ ff_hevc_idct_8x8_lsx()

void ff_hevc_idct_8x8_lsx	(	int16_t *	coeffs,
		int	col_limit
	)

Definition at line 360 of file hevc_idct_lsx.c.

Referenced by ff_hevc_dsp_init_loongarch().

◆ ff_hevc_idct_16x16_lsx()

void ff_hevc_idct_16x16_lsx	(	int16_t *	coeffs,
		int	col_limit
	)

Definition at line 386 of file hevc_idct_lsx.c.

Referenced by ff_hevc_dsp_init_loongarch().

◆ hevc_idct_8x32_column_lsx()

static void hevc_idct_8x32_column_lsx	(	int16_t *	coeffs,
		int32_t	buf_pitch,
		uint8_t	round
	)

static

Definition at line 525 of file hevc_idct_lsx.c.

Referenced by ff_hevc_idct_32x32_lsx().

◆ hevc_idct_transpose_32x8_to_8x32()

static void hevc_idct_transpose_32x8_to_8x32	(	int16_t *	coeffs,
		int16_t *	tmp_buf
	)

static

Definition at line 761 of file hevc_idct_lsx.c.

Referenced by ff_hevc_idct_32x32_lsx().

◆ hevc_idct_transpose_8x32_to_32x8()

static void hevc_idct_transpose_8x32_to_32x8	(	int16_t *	tmp_buf,
		int16_t *	coeffs
	)

static

Definition at line 786 of file hevc_idct_lsx.c.

Referenced by ff_hevc_idct_32x32_lsx().

◆ ff_hevc_idct_32x32_lsx()

void ff_hevc_idct_32x32_lsx	(	int16_t *	coeffs,
		int	col_limit
	)

Definition at line 811 of file hevc_idct_lsx.c.

Referenced by ff_hevc_dsp_init_loongarch().

Variable Documentation

◆ gt8x8_cnst

const int16_t gt8x8_cnst[16]

Initial value:

= {
    64, 64, 83, 36, 89, 50, 18, 75, 64, -64, 36, -83, 75, -89, -50, -18
}

Definition at line 26 of file hevc_idct_lsx.c.

Referenced by ff_hevc_idct_8x8_lsx(), and hevc_idct_8x32_column_lsx().

◆ gt16x16_cnst

const int16_t gt16x16_cnst[64]

Initial value:

= {
    64, 83, 64, 36, 89, 75, 50, 18, 90, 80, 57, 25, 70, 87, 9, 43,
    64, 36, -64, -83, 75, -18, -89, -50, 87, 9, -80, -70, -43, 57, -25, -90,
    64, -36, -64, 83, 50, -89, 18, 75, 80, -70, -25, 90, -87, 9, 43, 57,
    64, -83, 64, -36, 18, -50, 75, -89, 70, -87, 90, -80, 9, -43, -57, 25
}

Definition at line 30 of file hevc_idct_lsx.c.

Referenced by ff_hevc_idct_16x16_lsx().

◆ gt32x32_cnst0

const int16_t gt32x32_cnst0[256]

Initial value:

= {
    90, 90, 88, 85, 82, 78, 73, 67, 61, 54, 46, 38, 31, 22, 13, 4,
    90, 82, 67, 46, 22, -4, -31, -54, -73, -85, -90, -88, -78, -61, -38, -13,
    88, 67, 31, -13, -54, -82, -90, -78, -46, -4, 38, 73, 90, 85, 61, 22,
    85, 46, -13, -67, -90, -73, -22, 38, 82, 88, 54, -4, -61, -90, -78, -31,
    82, 22, -54, -90, -61, 13, 78, 85, 31, -46, -90, -67, 4, 73, 88, 38,
    78, -4, -82, -73, 13, 85, 67, -22, -88, -61, 31, 90, 54, -38, -90, -46,
    73, -31, -90, -22, 78, 67, -38, -90, -13, 82, 61, -46, -88, -4, 85, 54,
    67, -54, -78, 38, 85, -22, -90, 4, 90, 13, -88, -31, 82, 46, -73, -61,
    61, -73, -46, 82, 31, -88, -13, 90, -4, -90, 22, 85, -38, -78, 54, 67,
    54, -85, -4, 88, -46, -61, 82, 13, -90, 38, 67, -78, -22, 90, -31, -73,
    46, -90, 38, 54, -90, 31, 61, -88, 22, 67, -85, 13, 73, -82, 4, 78,
    38, -88, 73, -4, -67, 90, -46, -31, 85, -78, 13, 61, -90, 54, 22, -82,
    31, -78, 90, -61, 4, 54, -88, 82, -38, -22, 73, -90, 67, -13, -46, 85,
    22, -61, 85, -90, 73, -38, -4, 46, -78, 90, -82, 54, -13, -31, 67, -88,
    13, -38, 61, -78, 88, -90, 85, -73, 54, -31, 4, 22, -46, 67, -82, 90,
    4, -13, 22, -31, 38, -46, 54, -61, 67, -73, 78, -82, 85, -88, 90, -90
}

Definition at line 37 of file hevc_idct_lsx.c.

Referenced by hevc_idct_8x32_column_lsx().

◆ gt32x32_cnst1

const int16_t gt32x32_cnst1[64]

Initial value:

= {
    90, 87, 80, 70, 57, 43, 25, 9, 87, 57, 9, -43, -80, -90, -70, -25,
    80, 9, -70, -87, -25, 57, 90, 43, 70, -43, -87, 9, 90, 25, -80, -57,
    57, -80, -25, 90, -9, -87, 43, 70, 43, -90, 57, 25, -87, 70, 9, -80,
    25, -70, 90, -80, 43, 9, -57, 87, 9, -25, 43, -57, 70, -80, 87, -90
}

Definition at line 56 of file hevc_idct_lsx.c.

Referenced by hevc_idct_8x32_column_lsx().

◆ gt32x32_cnst2

const int16_t gt32x32_cnst2[16]

Initial value:

= {
    89, 75, 50, 18, 75, -18, -89, -50, 50, -89, 18, 75, 18, -50, 75, -89
}

Definition at line 63 of file hevc_idct_lsx.c.

Referenced by hevc_idct_8x32_column_lsx().

Macros

Functions

Variables

Macro Definition Documentation

◆ HEVC_IDCT4x4_COL

◆ HEVC_IDCT8x8_COL

◆ HEVC_IDCT16x16_COL

◆ HEVC_EVEN16_CALC

◆ HEVC_IDCT_LUMA4x4_COL

Function Documentation

◆ ff_hevc_idct_4x4_lsx()

◆ ff_hevc_idct_8x8_lsx()

◆ ff_hevc_idct_16x16_lsx()

◆ hevc_idct_8x32_column_lsx()

◆ hevc_idct_transpose_32x8_to_8x32()

◆ hevc_idct_transpose_8x32_to_32x8()

◆ ff_hevc_idct_32x32_lsx()

Variable Documentation

◆ gt8x8_cnst

◆ gt16x16_cnst

◆ gt32x32_cnst0

◆ gt32x32_cnst1

◆ gt32x32_cnst2