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libavcodec
arm
idctdsp_init_neon.c
Go to the documentation of this file.
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/*
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* ARM-NEON-optimized IDCT functions
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include "
libavutil/attributes.h
"
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#include "
libavcodec/avcodec.h
"
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#include "
libavcodec/idctdsp.h
"
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#include "
idctdsp_arm.h
"
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void
ff_simple_idct_neon
(int16_t *
data
);
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void
ff_simple_idct_put_neon
(
uint8_t
*dest,
int
line_size, int16_t *
data
);
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void
ff_simple_idct_add_neon
(
uint8_t
*dest,
int
line_size, int16_t *
data
);
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void
ff_add_pixels_clamped_neon
(
const
int16_t *,
uint8_t
*,
int
);
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void
ff_put_pixels_clamped_neon
(
const
int16_t *,
uint8_t
*,
int
);
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void
ff_put_signed_pixels_clamped_neon
(
const
int16_t *,
uint8_t
*,
int
);
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av_cold
void
ff_idctdsp_init_neon
(
IDCTDSPContext
*
c
,
AVCodecContext
*
avctx
,
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unsigned
high_bit_depth)
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{
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if
(!avctx->
lowres
&& !high_bit_depth) {
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if
(avctx->
idct_algo
==
FF_IDCT_AUTO
||
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avctx->
idct_algo
==
FF_IDCT_SIMPLEAUTO
||
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avctx->
idct_algo
==
FF_IDCT_SIMPLENEON
) {
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c->
idct_put
=
ff_simple_idct_put_neon
;
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c->
idct_add
=
ff_simple_idct_add_neon
;
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c->
idct
=
ff_simple_idct_neon
;
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c->
idct_permutation_type
=
FF_PARTTRANS_IDCT_PERM
;
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}
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}
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c->
add_pixels_clamped
=
ff_add_pixels_clamped_neon
;
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c->
put_pixels_clamped
=
ff_put_pixels_clamped_neon
;
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c->
put_signed_pixels_clamped
=
ff_put_signed_pixels_clamped_neon
;
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}
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