/*****************************************************************************
 * dct.h: aarch64 transform and zigzag
 *****************************************************************************
 * Copyright (C) 2009-2017 x264 project
 *
 * Authors: David Conrad <lessen42@gmail.com>
 *          Janne Grunau <janne-x264@jannau.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
 *
 * This program is also available under a commercial proprietary license.
 * For more information, contact us at licensing@x264.com.
 *****************************************************************************/

#ifndef X264_AARCH64_DCT_H
#define X264_AARCH64_DCT_H

void x264_dct4x4dc_neon( int16_t d[16] );
void x264_idct4x4dc_neon( int16_t d[16] );

void x264_sub4x4_dct_neon( int16_t dct[16], uint8_t *pix1, uint8_t *pix2 );
void x264_sub8x8_dct_neon( int16_t dct[4][16], uint8_t *pix1, uint8_t *pix2 );
void x264_sub16x16_dct_neon( int16_t dct[16][16], uint8_t *pix1, uint8_t *pix2 );

void x264_add4x4_idct_neon( uint8_t *p_dst, int16_t dct[16] );
void x264_add8x8_idct_neon( uint8_t *p_dst, int16_t dct[4][16] );
void x264_add16x16_idct_neon( uint8_t *p_dst, int16_t dct[16][16] );

void x264_add8x8_idct_dc_neon( uint8_t *p_dst, int16_t dct[4] );
void x264_add16x16_idct_dc_neon( uint8_t *p_dst, int16_t dct[16] );
void x264_sub8x8_dct_dc_neon( int16_t dct[4], uint8_t *pix1, uint8_t *pix2 );
void x264_sub8x16_dct_dc_neon( int16_t dct[8], uint8_t *pix1, uint8_t *pix2 );

void x264_sub8x8_dct8_neon( int16_t dct[64], uint8_t *pix1, uint8_t *pix2 );
void x264_sub16x16_dct8_neon( int16_t dct[4][64], uint8_t *pix1, uint8_t *pix2 );

void x264_add8x8_idct8_neon( uint8_t *p_dst, int16_t dct[64] );
void x264_add16x16_idct8_neon( uint8_t *p_dst, int16_t dct[4][64] );

void x264_zigzag_scan_4x4_frame_neon( int16_t level[16], int16_t dct[16] );
void x264_zigzag_scan_4x4_field_neon( int16_t level[16], int16_t dct[16] );
void x264_zigzag_scan_8x8_frame_neon( int16_t level[64], int16_t dct[64] );
void x264_zigzag_scan_8x8_field_neon( int16_t level[64], int16_t dct[64] );

int x264_zigzag_sub_4x4_field_neon( dctcoef level[16], const pixel *p_src, pixel *p_dst );
int x264_zigzag_sub_4x4ac_field_neon( dctcoef level[16], const pixel *p_src, pixel *p_dst, dctcoef *dc );
int x264_zigzag_sub_4x4_frame_neon( dctcoef level[16], const pixel *p_src, pixel *p_dst );
int x264_zigzag_sub_4x4ac_frame_neon( dctcoef level[16], const pixel *p_src, pixel *p_dst, dctcoef *dc );

int x264_zigzag_sub_8x8_field_neon( dctcoef level[16], const pixel *p_src, pixel *p_dst );
int x264_zigzag_sub_8x8_frame_neon( dctcoef level[16], const pixel *p_src, pixel *p_dst );

void x264_zigzag_interleave_8x8_cavlc_neon( dctcoef *dst, dctcoef *src, uint8_t *nnz );

#endif
