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/*
* ARM-NEON-optimized IDCT functions
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
* Copyright (c) 2017 Matthieu Bouron <matthieu.bouron@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 "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/arm/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/idctdsp.h"
#include "idct.h"
void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t);
void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t);
void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t);
av_cold void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
if (!avctx->lowres && !high_bit_depth) {
if (avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_SIMPLEAUTO ||
avctx->idct_algo == FF_IDCT_SIMPLENEON) {
c->idct_put = ff_simple_idct_put_neon;
c->idct_add = ff_simple_idct_add_neon;
c->idct = ff_simple_idct_neon;
c->perm_type = FF_IDCT_PERM_PARTTRANS;
}
}
c->add_pixels_clamped = ff_add_pixels_clamped_neon;
c->put_pixels_clamped = ff_put_pixels_clamped_neon;
c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
}
}