46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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/opus_imdct.h"
|
|
|
|
#include "asm-offsets.h"
|
|
|
|
AV_CHECK_OFFSET(CeltIMDCTContext, exptab, CELT_EXPTAB);
|
|
AV_CHECK_OFFSET(CeltIMDCTContext, fft_n, CELT_FFT_N);
|
|
AV_CHECK_OFFSET(CeltIMDCTContext, len2, CELT_LEN2);
|
|
AV_CHECK_OFFSET(CeltIMDCTContext, len4, CELT_LEN4);
|
|
AV_CHECK_OFFSET(CeltIMDCTContext, tmp, CELT_TMP);
|
|
AV_CHECK_OFFSET(CeltIMDCTContext, twiddle_exptab, CELT_TWIDDLE);
|
|
|
|
void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src,
|
|
ptrdiff_t stride, float scale);
|
|
|
|
void ff_celt_imdct_init_aarch64(CeltIMDCTContext *s)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (have_neon(cpu_flags)) {
|
|
s->imdct_half = ff_celt_imdct_half_neon;
|
|
}
|
|
}
|