simple_idct_mmi.c File Reference

#include "idctdsp_mips.h"
#include "constants.h"

Go to the source code of this file.

Macros
#define	C0   23170
#define	C1   22725
#define	C2   21407
#define	C3   19266
#define	C4   16383
#define	C5   12873
#define	C6   8867
#define	C7   4520
#define	ROW_SHIFT   11
#define	COL_SHIFT   20
#define	DC_COND_IDCT(src0, src4, src1, src5, dst, rounder, rarg, shift)
#define	Z_COND_IDCT(src0, src4, src1, src5, dst, rounder, rarg, shift, bt)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)
#define	IDCT(src0, src4, src1, src5, dst, shift)

Functions
void	ff_simple_idct_mmi (int16_t *block)

Variables
static const int16_t	coeffs []

Macro Definition Documentation

C0

#define C0   23170

Definition at line 28 of file simple_idct_mmi.c.

C1

#define C1   22725

Definition at line 29 of file simple_idct_mmi.c.

Referenced by lbr_bank_c(), and xbr_filter().

C2

#define C2   21407

Definition at line 30 of file simple_idct_mmi.c.

Referenced by lbr_bank_c().

C3

#define C3   19266

Definition at line 31 of file simple_idct_mmi.c.

Referenced by lbr_bank_c().

C4

#define C4   16383

Definition at line 32 of file simple_idct_mmi.c.

Referenced by lbr_bank_c(), and xbr_filter().

C5

#define C5   12873

Definition at line 33 of file simple_idct_mmi.c.

C6

#define C6   8867

Definition at line 34 of file simple_idct_mmi.c.

C7

#define C7   4520

Definition at line 35 of file simple_idct_mmi.c.

ROW_SHIFT

#define ROW_SHIFT   11

Definition at line 37 of file simple_idct_mmi.c.

COL_SHIFT

#define COL_SHIFT   20

Definition at line 38 of file simple_idct_mmi.c.

DC_COND_IDCT

#define DC_COND_IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			rounder,
			rarg,
			shift
	)

Referenced by ff_simple_idct_mmi().

Z_COND_IDCT

#define Z_COND_IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			rounder,
			rarg,
			shift,
			bt
	)

Referenced by ff_simple_idct_mmi().

IDCT [1/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

Referenced by ff_simple_idct_mmi().

IDCT [2/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

IDCT [3/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

IDCT [4/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

IDCT [5/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

IDCT [6/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

IDCT [7/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

IDCT [8/8]

#define IDCT	(		src0,
			src4,
			src1,
			src5,
			dst,
			shift
	)

Value:

"ldc1 $f0, " #src0 "            \n\t" /* R4     R0      r4      r0 */\
        "ldc1 $f8, 16(%2)               \n\t" /* C4     C4      C4      C4 */\
        "li $10, " #shift "             \n\t"                                \
        "pmaddhw $f8, $f8, $f0          \n\t" /* C4R4+C4R0      C4r4+C4r0  */\
        "mtc1 $10, $f18                 \n\t"                                \
        "ldc1 $f10, 24(%2)              \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddhw $f0, $f0, $f10         \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "psraw $f8, $f8, $f18           \n\t"                                \
        "psraw $f0, $f0, $f18           \n\t"                                \
        "ldc1 $f4, 8+" #src0 "          \n\t" /* R4     R0      r4      r0 */\
        "ldc1 $f2, 16(%2)               \n\t" /* C4     C4      C4      C4 */\
        "pmaddhw $f2, $f2, $f4          \n\t" /* C4R4+C4R0      C4r4+C4r0  */\
        "ldc1 $f14, 24(%2)              \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddhw $f4, $f4, $f14         \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "ldc1 $f14, 32(%2)              \n\t" /* C6     C2      C6      C2 */\
        "psraw $f2, $f2, $f18           \n\t"                                \
        "packsswh $f8, $f8, $f2         \n\t" /* A0             a0         */\
        "sdc1 $f8, " #dst "             \n\t"                                \
        "psraw $f4, $f4, $f18           \n\t"                                \
        "packsswh $f0, $f0, $f4         \n\t" /* A1             a1         */\
        "sdc1 $f0, 16+" #dst "          \n\t"                                \
        "sdc1 $f0, 96+" #dst "          \n\t"                                \
        "sdc1 $f8, 112+" #dst "         \n\t"                                \
        "sdc1 $f0, 32+" #dst "          \n\t"                                \
        "sdc1 $f8, 48+" #dst "          \n\t"                                \
        "sdc1 $f8, 64+" #dst "          \n\t"                                \
        "sdc1 $f0, 80+" #dst "          \n\t"

Function Documentation

ff_simple_idct_mmi()

void ff_simple_idct_mmi

(

int16_t *

block

)

Definition at line 57 of file simple_idct_mmi.c.

Variable Documentation

coeffs

const int16_t coeffs[]

static

Initial value:

= {
    1<<(ROW_SHIFT-1),   0, 1<<(ROW_SHIFT-1),   0,
    1<<(ROW_SHIFT-1),   1, 1<<(ROW_SHIFT-1),   0,
                  C4,  C4,               C4,  C4,
                  C4, -C4,               C4, -C4,
                  C2,  C6,               C2,  C6,
                  C6, -C2,               C6, -C2,
                  C1,  C3,               C1,  C3,
                  C5,  C7,               C5,  C7,
                  C3, -C7,               C3, -C7,
                 -C1, -C5,              -C1, -C5,
                  C5, -C1,               C5, -C1,
                  C7,  C3,               C7,  C3,
                  C7, -C5,               C7, -C5,
                  C3, -C1,               C3, -C1
}

Definition at line 40 of file simple_idct_mmi.c.

Referenced by aac_encode_frame(), ac3_decode_transform_coeffs_ch(), aptx_qmf_convolution(), aptx_qmf_polyphase_analysis(), aptx_qmf_polyphase_synthesis(), celt_frame_mdct(), check_idct(), check_idct_dc(), config_input(), decode_lpc(), decode_subframe_lpc(), dequant(), ff_eac3_apply_spectral_extension(), ff_hevc_hls_residual_coding(), ff_iir_filter_free_coeffsp(), ff_simple_idct_mmi(), FUNC(), get_color_primaries(), get_luma_coefficients(), get_transfer_characteristics(), hevc_idct_16x16_msa(), hevc_idct_32x32_msa(), hevc_idct_8x32_column_msa(), hls_transform_unit(), psy_3gpp_init(), step_collect_psy_metrics(), transform_4x4_luma(), transform_rdpcm(), and wiener_denoise().