2 * ARM-NEON-optimized IDCT functions
3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
5 * This file is part of FFmpeg.
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.
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.
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
24 #include "libavutil/attributes.h"
25 #include "libavcodec/avcodec.h"
26 #include "libavcodec/idctdsp.h"
28 #include "idctdsp_arm.h"
30 void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
31 void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
32 void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
34 av_cold
void ff_idctdsp_init_neon(IDCTDSPContext
*c
, AVCodecContext
*avctx
,
35 unsigned high_bit_depth
)
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
;
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
;