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libavcodec
arm
h264pred_init_arm.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2009 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 "
libavutil/arm/cpu.h
"
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#include "
libavcodec/avcodec.h
"
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#include "
libavcodec/h264pred.h
"
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void
ff_pred16x16_vert_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred16x16_hor_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred16x16_plane_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred16x16_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred16x16_128_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred16x16_left_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred16x16_top_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_vert_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_hor_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_plane_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_128_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_left_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_top_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_l0t_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_0lt_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_l00_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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void
ff_pred8x8_0l0_dc_neon
(
uint8_t
*
src
, ptrdiff_t
stride
);
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static
av_cold
void
h264_pred_init_neon
(
H264PredContext
*h,
int
codec_id
,
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const
int
bit_depth,
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const
int
chroma_format_idc)
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{
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#if HAVE_NEON
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const
int
high_depth = bit_depth > 8;
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if
(high_depth)
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return
;
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if
(chroma_format_idc == 1){
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h->
pred8x8
[
VERT_PRED8x8
] =
ff_pred8x8_vert_neon
;
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h->
pred8x8
[
HOR_PRED8x8
] =
ff_pred8x8_hor_neon
;
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if
(codec_id !=
AV_CODEC_ID_VP7
&& codec_id !=
AV_CODEC_ID_VP8
)
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h->
pred8x8
[
PLANE_PRED8x8
] =
ff_pred8x8_plane_neon
;
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h->
pred8x8
[
DC_128_PRED8x8
] =
ff_pred8x8_128_dc_neon
;
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if
(codec_id !=
AV_CODEC_ID_RV40
&& codec_id !=
AV_CODEC_ID_VP7
&&
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codec_id !=
AV_CODEC_ID_VP8
) {
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h->
pred8x8
[
DC_PRED8x8
] =
ff_pred8x8_dc_neon
;
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h->
pred8x8
[
LEFT_DC_PRED8x8
] =
ff_pred8x8_left_dc_neon
;
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h->
pred8x8
[
TOP_DC_PRED8x8
] =
ff_pred8x8_top_dc_neon
;
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h->
pred8x8
[
ALZHEIMER_DC_L0T_PRED8x8
] =
ff_pred8x8_l0t_dc_neon
;
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h->
pred8x8
[
ALZHEIMER_DC_0LT_PRED8x8
] =
ff_pred8x8_0lt_dc_neon
;
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h->
pred8x8
[
ALZHEIMER_DC_L00_PRED8x8
] =
ff_pred8x8_l00_dc_neon
;
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h->
pred8x8
[
ALZHEIMER_DC_0L0_PRED8x8
] =
ff_pred8x8_0l0_dc_neon
;
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}
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}
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h->
pred16x16
[
DC_PRED8x8
] =
ff_pred16x16_dc_neon
;
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h->
pred16x16
[
VERT_PRED8x8
] =
ff_pred16x16_vert_neon
;
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h->
pred16x16
[
HOR_PRED8x8
] =
ff_pred16x16_hor_neon
;
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h->
pred16x16
[
LEFT_DC_PRED8x8
] =
ff_pred16x16_left_dc_neon
;
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h->
pred16x16
[
TOP_DC_PRED8x8
] =
ff_pred16x16_top_dc_neon
;
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h->
pred16x16
[
DC_128_PRED8x8
] =
ff_pred16x16_128_dc_neon
;
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if
(codec_id !=
AV_CODEC_ID_SVQ3
&& codec_id !=
AV_CODEC_ID_RV40
&&
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codec_id !=
AV_CODEC_ID_VP7
&& codec_id !=
AV_CODEC_ID_VP8
)
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h->
pred16x16
[
PLANE_PRED8x8
] =
ff_pred16x16_plane_neon
;
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#endif // HAVE_NEON
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}
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av_cold
void
ff_h264_pred_init_arm
(
H264PredContext
*h,
int
codec_id
,
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int
bit_depth,
const
int
chroma_format_idc)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
have_neon
(cpu_flags))
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h264_pred_init_neon
(h, codec_id, bit_depth, chroma_format_idc);
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}
Generated on Thu Sep 30 2021 22:46:55 for FFmpeg by
1.8.1.2