1 /*****************************************************************************
2 * dct.h: arm transform and zigzag
3 *****************************************************************************
4 * Copyright (C) 2009-2016 x264 project
6 * Authors: David Conrad <lessen42@gmail.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 * This program is also available under a commercial proprietary license.
23 * For more information, contact us at licensing@x264.com.
24 *****************************************************************************/
26 #ifndef X264_ARM_DCT_H
27 #define X264_ARM_DCT_H
29 void x264_dct4x4dc_neon( int16_t d[16] );
30 void x264_idct4x4dc_neon( int16_t d[16] );
32 void x264_sub4x4_dct_neon( int16_t dct[16], uint8_t *pix1, uint8_t *pix2 );
33 void x264_sub8x8_dct_neon( int16_t dct[4][16], uint8_t *pix1, uint8_t *pix2 );
34 void x264_sub16x16_dct_neon( int16_t dct[16][16], uint8_t *pix1, uint8_t *pix2 );
36 void x264_add4x4_idct_neon( uint8_t *p_dst, int16_t dct[16] );
37 void x264_add8x8_idct_neon( uint8_t *p_dst, int16_t dct[4][16] );
38 void x264_add16x16_idct_neon( uint8_t *p_dst, int16_t dct[16][16] );
40 void x264_add8x8_idct_dc_neon( uint8_t *p_dst, int16_t dct[4] );
41 void x264_add16x16_idct_dc_neon( uint8_t *p_dst, int16_t dct[16] );
42 void x264_sub8x8_dct_dc_neon( int16_t dct[4], uint8_t *pix1, uint8_t *pix2 );
43 void x264_sub8x16_dct_dc_neon( int16_t dct[8], uint8_t *pix1, uint8_t *pix2 );
45 void x264_sub8x8_dct8_neon( int16_t dct[64], uint8_t *pix1, uint8_t *pix2 );
46 void x264_sub16x16_dct8_neon( int16_t dct[4][64], uint8_t *pix1, uint8_t *pix2 );
48 void x264_add8x8_idct8_neon( uint8_t *p_dst, int16_t dct[64] );
49 void x264_add16x16_idct8_neon( uint8_t *p_dst, int16_t dct[4][64] );
51 void x264_zigzag_scan_4x4_frame_neon( int16_t level[16], int16_t dct[16] );