mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
7b32b35bf5
* commit '3d5d46233cd81f78138a6d7418d480af04d3f6c8': opus: Factor out imdct15 into a standalone component Conflicts: configure libavcodec/opus_celt.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/*
|
|
* 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 <stddef.h>
|
|
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/aarch64/cpu.h"
|
|
#include "libavutil/internal.h"
|
|
|
|
#include "libavcodec/imdct15.h"
|
|
|
|
#include "asm-offsets.h"
|
|
|
|
AV_CHECK_OFFSET(IMDCT15Context, exptab, CELT_EXPTAB);
|
|
AV_CHECK_OFFSET(IMDCT15Context, fft_n, CELT_FFT_N);
|
|
AV_CHECK_OFFSET(IMDCT15Context, len2, CELT_LEN2);
|
|
AV_CHECK_OFFSET(IMDCT15Context, len4, CELT_LEN4);
|
|
AV_CHECK_OFFSET(IMDCT15Context, tmp, CELT_TMP);
|
|
AV_CHECK_OFFSET(IMDCT15Context, twiddle_exptab, CELT_TWIDDLE);
|
|
|
|
void ff_celt_imdct_half_neon(IMDCT15Context *s, float *dst, const float *src,
|
|
ptrdiff_t stride, float scale);
|
|
|
|
void ff_imdct15_init_aarch64(IMDCT15Context *s)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (have_neon(cpu_flags)) {
|
|
s->imdct_half = ff_celt_imdct_half_neon;
|
|
}
|
|
}
|