Welcome to mirror list, hosted at ThFree Co, Russian Federation.

aacencdsp_init.c « x86 « libavcodec - github.com/FFmpeg/FFmpeg.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: 049a2417d9142c454d1081b70dcd28563cd3eaa2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 * AAC encoder assembly optimizations
 * Copyright (C) 2016 Rostislav Pehlivanov <atomnuker@gmail.com>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "config.h"

#include "libavutil/attributes.h"
#include "libavutil/float_dsp.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/aacenc.h"

void ff_abs_pow34_sse(float *out, const float *in, const int size);

void ff_aac_quantize_bands_sse2(int *out, const float *in, const float *scaled,
                                int size, int is_signed, int maxval, const float Q34,
                                const float rounding);

av_cold void ff_aac_dsp_init_x86(AACEncContext *s)
{
    int cpu_flags = av_get_cpu_flags();

    if (EXTERNAL_SSE(cpu_flags))
        s->abs_pow34   = ff_abs_pow34_sse;

    if (EXTERNAL_SSE2(cpu_flags))
        s->quant_bands = ff_aac_quantize_bands_sse2;
}