Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/fdctdsp.c |
Date: | 2022-07-06 18:02:43 |
Exec | Total | Coverage | |
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Lines: | 13 | 15 | 86.7% |
Branches: | 6 | 8 | 75.0% |
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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 | 311 | av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx) | |
27 | { | ||
28 | 311 | av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; | |
29 | |||
30 |
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311 | if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) { |
31 | 27 | c->fdct = ff_jpeg_fdct_islow_10; | |
32 | 27 | c->fdct248 = ff_fdct248_islow_10; | |
33 |
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284 | } else if (avctx->dct_algo == FF_DCT_FASTINT) { |
34 | 261 | c->fdct = ff_fdct_ifast; | |
35 | 261 | c->fdct248 = ff_fdct_ifast248; | |
36 | #if CONFIG_FAANDCT | ||
37 |
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23 | } 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 | 23 | c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default | |
43 | 23 | c->fdct248 = ff_fdct248_islow_8; | |
44 | } | ||
45 | |||
46 | #if ARCH_PPC | ||
47 | ff_fdctdsp_init_ppc(c, avctx, high_bit_depth); | ||
48 | #elif ARCH_X86 | ||
49 | 311 | ff_fdctdsp_init_x86(c, avctx, high_bit_depth); | |
50 | #endif | ||
51 | 311 | } | |
52 |