1/*
2 * ARM-NEON-optimized IDCT functions
3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include <stdint.h>
23
24#include "libavutil/attributes.h"
25#include "libavcodec/avcodec.h"
26#include "libavcodec/idctdsp.h"
27#include "idctdsp_arm.h"
28
29void ff_simple_idct_neon(int16_t *data);
30void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
31void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
32
33void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
34void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
35void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
36
37av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx,
38                                  unsigned high_bit_depth)
39{
40    if (!avctx->lowres && !high_bit_depth) {
41        if (avctx->idct_algo == FF_IDCT_AUTO ||
42            avctx->idct_algo == FF_IDCT_SIMPLEAUTO ||
43            avctx->idct_algo == FF_IDCT_SIMPLENEON) {
44            c->idct_put              = ff_simple_idct_put_neon;
45            c->idct_add              = ff_simple_idct_add_neon;
46            c->idct                  = ff_simple_idct_neon;
47            c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
48        }
49    }
50
51    c->add_pixels_clamped        = ff_add_pixels_clamped_neon;
52    c->put_pixels_clamped        = ff_put_pixels_clamped_neon;
53    c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
54}
55