FFmpeg
libavcodec
x86
dnxhdenc_init.c
Go to the documentation of this file.
1
/*
2
* VC3/DNxHD SIMD functions
3
* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
4
*
5
* VC-3 encoder funded by the British Broadcasting Corporation
6
*
7
* This file is part of FFmpeg.
8
*
9
* FFmpeg is free software; you can redistribute it and/or
10
* modify it under the terms of the GNU Lesser General Public
11
* License as published by the Free Software Foundation; either
12
* version 2.1 of the License, or (at your option) any later version.
13
*
14
* FFmpeg is distributed in the hope that it will be useful,
15
* but WITHOUT ANY WARRANTY; without even the implied warranty of
16
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17
* Lesser General Public License for more details.
18
*
19
* You should have received a copy of the GNU Lesser General Public
20
* License along with FFmpeg; if not, write to the Free Software
21
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22
*/
23
24
#include "
libavutil/attributes.h
"
25
#include "
libavutil/x86/cpu.h
"
26
#include "
libavcodec/dnxhdenc.h
"
27
28
void
ff_get_pixels_8x4_sym_sse2
(int16_t *
block
,
const
uint8_t *pixels,
29
ptrdiff_t line_size);
30
31
av_cold
void
ff_dnxhdenc_init_x86
(
DNXHDEncContext
*
ctx
)
32
{
33
if
(
EXTERNAL_SSE2
(
av_get_cpu_flags
())) {
34
if
(
ctx
->cid_table->bit_depth == 8)
35
ctx
->get_pixels_8x4_sym =
ff_get_pixels_8x4_sym_sse2
;
36
}
37
}
ff_dnxhdenc_init_x86
av_cold void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
Definition:
dnxhdenc_init.c:31
cpu.h
dnxhdenc.h
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:101
DNXHDEncContext
Definition:
dnxhdenc.h:46
av_cold
#define av_cold
Definition:
attributes.h:90
ctx
AVFormatContext * ctx
Definition:
movenc.c:48
attributes.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition:
cpu.h:59
ff_get_pixels_8x4_sym_sse2
void ff_get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size)
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition:
filter_design.txt:207
Generated on Wed Aug 24 2022 21:41:54 for FFmpeg by
1.8.17