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2ba45a60 DM |
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 "idct.h" | |
28 | #include "idctdsp_arm.h" | |
29 | ||
f6fa7814 DM |
30 | void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); |
31 | void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); | |
32 | void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); | |
2ba45a60 DM |
33 | |
34 | av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx, | |
35 | unsigned high_bit_depth) | |
36 | { | |
37 | if (!avctx->lowres && !high_bit_depth) { | |
38 | if (avctx->idct_algo == FF_IDCT_AUTO || | |
39 | avctx->idct_algo == FF_IDCT_SIMPLEAUTO || | |
40 | avctx->idct_algo == FF_IDCT_SIMPLENEON) { | |
41 | c->idct_put = ff_simple_idct_put_neon; | |
42 | c->idct_add = ff_simple_idct_add_neon; | |
43 | c->idct = ff_simple_idct_neon; | |
44 | c->perm_type = FF_IDCT_PERM_PARTTRANS; | |
45 | } | |
46 | } | |
47 | ||
48 | c->add_pixels_clamped = ff_add_pixels_clamped_neon; | |
49 | c->put_pixels_clamped = ff_put_pixels_clamped_neon; | |
50 | c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; | |
51 | } |