FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/x86/alacdsp_init.c
Date: 2021-09-16 08:47:15
Exec Total Coverage
Lines: 8 8 100.0%
Branches: 4 4 100.0%

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 "libavutil/x86/cpu.h"
21 #include "libavcodec/alacdsp.h"
22 #include "config.h"
23
24 void ff_alac_decorrelate_stereo_sse4(int32_t *buffer[2], int nb_samples,
25 int decorr_shift, int decorr_left_weight);
26 void ff_alac_append_extra_bits_stereo_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
27 int extra_bits, int channels, int nb_samples);
28 void ff_alac_append_extra_bits_mono_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
29 int extra_bits, int channels, int nb_samples);
30
31 51 av_cold void ff_alacdsp_init_x86(ALACDSPContext *c)
32 {
33 #if HAVE_X86ASM
34 51 int cpu_flags = av_get_cpu_flags();
35
36
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51 if (EXTERNAL_SSE2(cpu_flags)) {
37 19 c->append_extra_bits[0] = ff_alac_append_extra_bits_mono_sse2;
38 19 c->append_extra_bits[1] = ff_alac_append_extra_bits_stereo_sse2;
39 }
40
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51 if (EXTERNAL_SSE4(cpu_flags)) {
41 13 c->decorrelate_stereo = ff_alac_decorrelate_stereo_sse4;
42 }
43 #endif /* HAVE_X86ASM */
44 51 }
45