1 /*
2 * AAC encoder assembly optimizations
3 * Copyright (C) 2016 Rostislav Pehlivanov <atomnuker@gmail.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23
24 #include "libavutil/float_dsp.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/aacenc.h"
27
28 void ff_abs_pow34_sse(float *out, const float *in, const int size);
29
30 void ff_aac_quantize_bands_sse2(int *out, const float *in, const float *scaled,
31 int size, int is_signed, int maxval, const float Q34,
32 const float rounding);
33
ff_aac_dsp_init_x86(AACEncContext * s)34 av_cold void ff_aac_dsp_init_x86(AACEncContext *s)
35 {
36 int cpu_flags = av_get_cpu_flags();
37
38 if (EXTERNAL_SSE(cpu_flags))
39 s->abs_pow34 = ff_abs_pow34_sse;
40
41 if (EXTERNAL_SSE2(cpu_flags))
42 s->quant_bands = ff_aac_quantize_bands_sse2;
43 }
44