Libav
opus_imdct_init.c
Go to the documentation of this file.
1 /*
2  * This file is part of Libav.
3  *
4  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <stddef.h>
20 
21 #include "libavutil/cpu.h"
22 #include "libavutil/aarch64/cpu.h"
23 #include "libavutil/internal.h"
24 #include "libavcodec/opus_imdct.h"
25 
26 #include "asm-offsets.h"
27 
34 
35 void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src,
36  ptrdiff_t stride, float scale);
37 
39 {
40  int cpu_flags = av_get_cpu_flags();
41 
42  if (have_neon(cpu_flags)) {
44  }
45 }
void(* imdct_half)(struct CeltIMDCTContext *s, float *dst, const float *src, ptrdiff_t src_stride, float scale)
Calculate the middle half of the iMDCT.
Definition: opus_imdct.h:40
void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src, ptrdiff_t stride, float scale)
#define CELT_TMP
Definition: asm-offsets.h:27
int stride
Definition: mace.c:144
AV_CHECK_OFFSET(CeltIMDCTContext, exptab, CELT_EXPTAB)
#define CELT_TWIDDLE
Definition: asm-offsets.h:28
#define CELT_EXPTAB
Definition: asm-offsets.h:23
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:47
#define CELT_LEN4
Definition: asm-offsets.h:26
common internal API header
static struct @19 * exptab
void ff_celt_imdct_init_aarch64(CeltIMDCTContext *s)
#define have_neon(flags)
Definition: cpu.h:27
#define CELT_FFT_N
Definition: asm-offsets.h:24
#define CELT_LEN2
Definition: asm-offsets.h:25