FFmpeg
libavcodec
h264addpx_template.c
Go to the documentation of this file.
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/*
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* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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* Copyright (c) 2003-2011 Michael Niedermayer <michaelni@gmx.at>
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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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/**
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* @file
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* H.264 / AVC / MPEG-4 part10 DSP functions.
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "
bit_depth_template.c
"
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static
void
FUNCC
(
ff_h264_add_pixels4
)(uint8_t *
_dst
, int16_t *
_src
,
int
stride
)
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{
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int
i
;
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pixel
*
dst
= (
pixel
*)
_dst
;
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dctcoef
*
src
= (
dctcoef
*)
_src
;
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stride
/=
sizeof
(
pixel
);
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for
(
i
= 0;
i
< 4;
i
++) {
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dst
[0] += (unsigned)
src
[0];
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dst
[1] += (unsigned)
src
[1];
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dst
[2] += (unsigned)
src
[2];
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dst
[3] += (unsigned)
src
[3];
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dst
+=
stride
;
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src
+= 4;
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}
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memset(
_src
, 0,
sizeof
(
dctcoef
) * 16);
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}
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static
void
FUNCC
(
ff_h264_add_pixels8
)(uint8_t *
_dst
, int16_t *
_src
,
int
stride
)
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{
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int
i
;
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pixel
*
dst
= (
pixel
*)
_dst
;
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dctcoef
*
src
= (
dctcoef
*)
_src
;
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stride
/=
sizeof
(
pixel
);
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for
(
i
= 0;
i
< 8;
i
++) {
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dst
[0] += (unsigned)
src
[0];
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dst
[1] += (unsigned)
src
[1];
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dst
[2] += (unsigned)
src
[2];
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dst
[3] += (unsigned)
src
[3];
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dst
[4] += (unsigned)
src
[4];
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dst
[5] += (unsigned)
src
[5];
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dst
[6] += (unsigned)
src
[6];
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dst
[7] += (unsigned)
src
[7];
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dst
+=
stride
;
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src
+= 8;
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}
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memset(
_src
, 0,
sizeof
(
dctcoef
) * 64);
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}
_dst
uint8_t * _dst
Definition:
dsp.h:52
_src
uint8_t ptrdiff_t const uint8_t * _src
Definition:
dsp.h:52
dctcoef
#define dctcoef
Definition:
bit_depth_template.c:84
pixel
uint8_t pixel
Definition:
tiny_ssim.c:41
bit_depth_template.c
FUNCC
#define FUNCC(a)
Definition:
bit_depth_template.c:105
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition:
dsp.h:83
ff_h264_add_pixels4
static void FUNCC() ff_h264_add_pixels4(uint8_t *_dst, int16_t *_src, int stride)
Definition:
h264addpx_template.c:30
ff_h264_add_pixels8
static void FUNCC() ff_h264_add_pixels8(uint8_t *_dst, int16_t *_src, int stride)
Definition:
h264addpx_template.c:50
i
#define i(width, name, range_min, range_max)
Definition:
cbs_h2645.c:256
stride
#define stride
Definition:
h264pred_template.c:537
src
#define src
Definition:
vp8dsp.c:248
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