1 /*
2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <stdint.h>
22
23 #include "libavutil/attributes.h"
24 #include "libavcodec/avcodec.h"
25 #include "libavcodec/idctdsp.h"
26 #include "idct.h"
27 #include "idctdsp_arm.h"
28
29 void ff_add_pixels_clamped_armv6(const int16_t *block, uint8_t *pixels,
30 ptrdiff_t line_size);
31
ff_idctdsp_init_armv6(IDCTDSPContext * c,AVCodecContext * avctx,unsigned high_bit_depth)32 av_cold void ff_idctdsp_init_armv6(IDCTDSPContext *c, AVCodecContext *avctx,
33 unsigned high_bit_depth)
34 {
35 if (!avctx->lowres && !high_bit_depth) {
36 if ((avctx->idct_algo == FF_IDCT_AUTO && !(avctx->flags & AV_CODEC_FLAG_BITEXACT)) ||
37 avctx->idct_algo == FF_IDCT_SIMPLEARMV6) {
38 c->idct_put = ff_simple_idct_put_armv6;
39 c->idct_add = ff_simple_idct_add_armv6;
40 c->idct = ff_simple_idct_armv6;
41 c->perm_type = FF_IDCT_PERM_LIBMPEG2;
42 }
43 }
44 c->add_pixels_clamped = ff_add_pixels_clamped_armv6;
45 }
46