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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * FFmpeg is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | #include "libavutil/attributes.h" | |
20 | #include "avcodec.h" | |
21 | #include "dct.h" | |
22 | #include "faandct.h" | |
23 | #include "fdctdsp.h" | |
24 | #include "config.h" | |
25 | ||
26 | av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx) | |
27 | { | |
28 | const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; | |
29 | ||
30 | if (avctx->bits_per_raw_sample == 10) { | |
31 | c->fdct = ff_jpeg_fdct_islow_10; | |
32 | c->fdct248 = ff_fdct248_islow_10; | |
33 | } else if (avctx->dct_algo == FF_DCT_FASTINT) { | |
34 | c->fdct = ff_fdct_ifast; | |
35 | c->fdct248 = ff_fdct_ifast248; | |
36 | #if CONFIG_FAANDCT | |
37 | } else if (avctx->dct_algo == FF_DCT_FAAN) { | |
38 | c->fdct = ff_faandct; | |
39 | c->fdct248 = ff_faandct248; | |
40 | #endif /* CONFIG_FAANDCT */ | |
41 | } else { | |
42 | c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default | |
43 | c->fdct248 = ff_fdct248_islow_8; | |
44 | } | |
45 | ||
46 | if (ARCH_PPC) | |
47 | ff_fdctdsp_init_ppc(c, avctx, high_bit_depth); | |
48 | if (ARCH_X86) | |
49 | ff_fdctdsp_init_x86(c, avctx, high_bit_depth); | |
50 | } |