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
25
27 int volume);
28
30 int volume);
32 int volume);
34 int volume);
35
37 {
40
45 }
50 }
54 }
58 }
59 }
60 }
void ff_scale_samples_s16_sse2(uint8_t *dst, const uint8_t *src, int len, int volume)
static atomic_int cpu_flags
Macro definitions for various function/variable attributes.
#define AV_CPU_FLAG_ATOM
Atom processor, some SSSE3 instructions are slower.
#define EXTERNAL_AVX_FAST(flags)
void(* scale_samples)(uint8_t *dst, const uint8_t *src, int nb_samples, int volume)
#define EXTERNAL_SSE2(flags)
void ff_scale_samples_s32_avx(uint8_t *dst, const uint8_t *src, int len, int volume)
void ff_scale_samples_s32_ssse3_atom(uint8_t *dst, const uint8_t *src, int len, int volume)
av_cold void ff_volume_init_x86(VolumeContext *vol)
enum AVSampleFormat sample_fmt
AVSampleFormat
Audio sample formats.
void ff_scale_samples_s32_sse2(uint8_t *dst, const uint8_t *src, int len, int volume)
#define EXTERNAL_SSSE3(flags)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
enum AVSampleFormat av_get_packed_sample_fmt(enum AVSampleFormat sample_fmt)
Get the packed alternative form of the given sample format.