FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/fdctdsp.c
Date: 2024-03-29 01:21:52
Exec Total Coverage
Lines: 13 15 86.7%
Functions: 1 1 100.0%
Branches: 6 8 75.0%

Line Branch Exec Source
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 "faandct.h"
22 #include "fdctdsp.h"
23 #include "config.h"
24
25 326 av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
26 {
27 326 av_unused const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
28
29
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326 if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) {
30 27 c->fdct = ff_jpeg_fdct_islow_10;
31 27 c->fdct248 = ff_fdct248_islow_10;
32
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299 } else if (avctx->dct_algo == FF_DCT_FASTINT) {
33 272 c->fdct = ff_fdct_ifast;
34 272 c->fdct248 = ff_fdct_ifast248;
35 #if CONFIG_FAANDCT
36
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27 } else if (avctx->dct_algo == FF_DCT_FAAN) {
37 c->fdct = ff_faandct;
38 c->fdct248 = ff_faandct248;
39 #endif /* CONFIG_FAANDCT */
40 } else {
41 27 c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default
42 27 c->fdct248 = ff_fdct248_islow_8;
43 }
44
45 #if ARCH_PPC
46 ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);
47 #elif ARCH_X86
48 326 ff_fdctdsp_init_x86(c, avctx, high_bit_depth);
49 #endif
50 326 }
51